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BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
SafeMath
library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } }
/** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */
NatSpecMultiLine
add
function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; }
/** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 259, 445 ] }
107
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
SafeMath
library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } }
/** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */
NatSpecMultiLine
sub
function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); }
/** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 723, 864 ] }
108
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
SafeMath
library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } }
/** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */
NatSpecMultiLine
sub
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; }
/** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 1162, 1359 ] }
109
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
SafeMath
library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } }
/** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */
NatSpecMultiLine
mul
function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; }
/** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 1613, 2089 ] }
110
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
SafeMath
library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } }
/** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */
NatSpecMultiLine
div
function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); }
/** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 2560, 2697 ] }
111
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
SafeMath
library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } }
/** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */
NatSpecMultiLine
div
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; }
/** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 3188, 3471 ] }
112
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
SafeMath
library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } }
/** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */
NatSpecMultiLine
mod
function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); }
/** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 3931, 4066 ] }
113
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
SafeMath
library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } }
/** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */
NatSpecMultiLine
mod
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; }
/** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 4546, 4717 ] }
114
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
Context
abstract contract Context { //function _msgSender() internal view virtual returns (address payable) { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } }
_msgSender
function _msgSender() internal view virtual returns (address) { return msg.sender; }
//function _msgSender() internal view virtual returns (address payable) {
LineComment
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 108, 211 ] }
115
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
Address
library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
/** * @dev Collection of functions related to the address type */
NatSpecMultiLine
isContract
function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); }
/** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 606, 1230 ] }
116
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
Address
library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
/** * @dev Collection of functions related to the address type */
NatSpecMultiLine
sendValue
function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); }
/** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 2160, 2562 ] }
117
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
Address
library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
/** * @dev Collection of functions related to the address type */
NatSpecMultiLine
functionCall
function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); }
/** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 3318, 3496 ] }
118
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
Address
library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
/** * @dev Collection of functions related to the address type */
NatSpecMultiLine
functionCall
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); }
/** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 3721, 3922 ] }
119
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
Address
library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
/** * @dev Collection of functions related to the address type */
NatSpecMultiLine
functionCallWithValue
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); }
/** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 4292, 4523 ] }
120
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
Address
library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
/** * @dev Collection of functions related to the address type */
NatSpecMultiLine
functionCallWithValue
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); }
/** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 4774, 5095 ] }
121
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
Ownable
contract Ownable is Context { address private _owner; address private _previousOwner; uint256 private _lockTime; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } function geUnlockTime() public view returns (uint256) { return _lockTime; } //Locks the contract for owner for the amount of time provided function lock(uint256 time) public virtual onlyOwner { _previousOwner = _owner; _owner = address(0); _lockTime = block.timestamp + time; emit OwnershipTransferred(_owner, address(0)); } //Unlocks the contract for owner when _lockTime is exceeds function unlock() public virtual { require(_previousOwner == msg.sender, "You don't have permission to unlock"); require(block.timestamp > _lockTime , "Contract is locked until 7 days"); emit OwnershipTransferred(_owner, _previousOwner); _owner = _previousOwner; } }
/** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */
NatSpecMultiLine
owner
function owner() public view returns (address) { return _owner; }
/** * @dev Returns the address of the current owner. */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 557, 641 ] }
122
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
Ownable
contract Ownable is Context { address private _owner; address private _previousOwner; uint256 private _lockTime; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } function geUnlockTime() public view returns (uint256) { return _lockTime; } //Locks the contract for owner for the amount of time provided function lock(uint256 time) public virtual onlyOwner { _previousOwner = _owner; _owner = address(0); _lockTime = block.timestamp + time; emit OwnershipTransferred(_owner, address(0)); } //Unlocks the contract for owner when _lockTime is exceeds function unlock() public virtual { require(_previousOwner == msg.sender, "You don't have permission to unlock"); require(block.timestamp > _lockTime , "Contract is locked until 7 days"); emit OwnershipTransferred(_owner, _previousOwner); _owner = _previousOwner; } }
/** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */
NatSpecMultiLine
renounceOwnership
function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); }
/** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 1200, 1353 ] }
123
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
Ownable
contract Ownable is Context { address private _owner; address private _previousOwner; uint256 private _lockTime; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } function geUnlockTime() public view returns (uint256) { return _lockTime; } //Locks the contract for owner for the amount of time provided function lock(uint256 time) public virtual onlyOwner { _previousOwner = _owner; _owner = address(0); _lockTime = block.timestamp + time; emit OwnershipTransferred(_owner, address(0)); } //Unlocks the contract for owner when _lockTime is exceeds function unlock() public virtual { require(_previousOwner == msg.sender, "You don't have permission to unlock"); require(block.timestamp > _lockTime , "Contract is locked until 7 days"); emit OwnershipTransferred(_owner, _previousOwner); _owner = _previousOwner; } }
/** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */
NatSpecMultiLine
transferOwnership
function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; }
/** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */
NatSpecMultiLine
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 1503, 1752 ] }
124
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
Ownable
contract Ownable is Context { address private _owner; address private _previousOwner; uint256 private _lockTime; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } function geUnlockTime() public view returns (uint256) { return _lockTime; } //Locks the contract for owner for the amount of time provided function lock(uint256 time) public virtual onlyOwner { _previousOwner = _owner; _owner = address(0); _lockTime = block.timestamp + time; emit OwnershipTransferred(_owner, address(0)); } //Unlocks the contract for owner when _lockTime is exceeds function unlock() public virtual { require(_previousOwner == msg.sender, "You don't have permission to unlock"); require(block.timestamp > _lockTime , "Contract is locked until 7 days"); emit OwnershipTransferred(_owner, _previousOwner); _owner = _previousOwner; } }
/** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */
NatSpecMultiLine
lock
function lock(uint256 time) public virtual onlyOwner { _previousOwner = _owner; _owner = address(0); _lockTime = block.timestamp + time; emit OwnershipTransferred(_owner, address(0)); }
//Locks the contract for owner for the amount of time provided
LineComment
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 1920, 2151 ] }
125
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
Ownable
contract Ownable is Context { address private _owner; address private _previousOwner; uint256 private _lockTime; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } function geUnlockTime() public view returns (uint256) { return _lockTime; } //Locks the contract for owner for the amount of time provided function lock(uint256 time) public virtual onlyOwner { _previousOwner = _owner; _owner = address(0); _lockTime = block.timestamp + time; emit OwnershipTransferred(_owner, address(0)); } //Unlocks the contract for owner when _lockTime is exceeds function unlock() public virtual { require(_previousOwner == msg.sender, "You don't have permission to unlock"); require(block.timestamp > _lockTime , "Contract is locked until 7 days"); emit OwnershipTransferred(_owner, _previousOwner); _owner = _previousOwner; } }
/** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */
NatSpecMultiLine
unlock
function unlock() public virtual { require(_previousOwner == msg.sender, "You don't have permission to unlock"); require(block.timestamp > _lockTime , "Contract is locked until 7 days"); emit OwnershipTransferred(_owner, _previousOwner); _owner = _previousOwner; }
//Unlocks the contract for owner when _lockTime is exceeds
LineComment
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 2222, 2532 ] }
126
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
BananaKong
contract BananaKong is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private _isExcluded; address[] private _excluded; mapping (address => bool) private botWallets; bool botscantrade = false; bool public canTrade = false; uint256 private constant MAX = ~uint256(0); uint256 private _tTotal = 69000000000000000000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; address public marketingWallet; string private _name = "Banana Kong"; string private _symbol = "BKONG"; uint8 private _decimals = 9; uint256 public _taxFee = 1; uint256 private _previousTaxFee = _taxFee; uint256 public _liquidityFee = 12; uint256 private _previousLiquidityFee = _liquidityFee; IUniswapV2Router02 public immutable uniswapV2Router; address public immutable uniswapV2Pair; bool inSwapAndLiquify; bool public swapAndLiquifyEnabled = true; uint256 public _maxTxAmount = 990000000000000000000 * 10**9; uint256 public numTokensSellToAddToLiquidity = 690000000000000000000 * 10**9; event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap); event SwapAndLiquifyEnabledUpdated(bool enabled); event SwapAndLiquify( uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity ); modifier lockTheSwap { inSwapAndLiquify = true; _; inSwapAndLiquify = false; } constructor () { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); //Mainnet & Testnet ETH // Create a uniswap pair for this new token uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); // set the rest of the contract variables uniswapV2Router = _uniswapV2Router; //exclude owner and this contract from fee _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcludedFromReward(address account) public view returns (bool) { return _isExcluded[account]; } function totalFees() public view returns (uint256) { return _tFeeTotal; } function airdrop(address recipient, uint256 amount) external onlyOwner() { removeAllFee(); _transfer(_msgSender(), recipient, amount * 10**9); restoreAllFee(); } function airdropInternal(address recipient, uint256 amount) internal { removeAllFee(); _transfer(_msgSender(), recipient, amount); restoreAllFee(); } function airdropArray(address[] calldata newholders, uint256[] calldata amounts) external onlyOwner(){ uint256 iterator = 0; require(newholders.length == amounts.length, "must be the same length"); while(iterator < newholders.length){ airdropInternal(newholders[iterator], amounts[iterator] * 10**9); iterator += 1; } } function deliver(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tFeeTotal = _tFeeTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeFromReward(address account) public onlyOwner() { // require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.'); require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeInReward(address account) external onlyOwner() { require(_isExcluded[account], "Account is already excluded"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function excludeFromFee(address account) public onlyOwner { _isExcludedFromFee[account] = true; } function includeInFee(address account) public onlyOwner { _isExcludedFromFee[account] = false; } function setMarketingWallet(address walletAddress) public onlyOwner { marketingWallet = walletAddress; } function upliftTxAmount() external onlyOwner() { _maxTxAmount = 69000000000000000000000 * 10**9; } function setSwapThresholdAmount(uint256 SwapThresholdAmount) external onlyOwner() { require(SwapThresholdAmount > 69000000, "Swap Threshold Amount cannot be less than 69 Million"); numTokensSellToAddToLiquidity = SwapThresholdAmount * 10**9; } function claimTokens () public onlyOwner { // make sure we capture all BNB that may or may not be sent to this contract payable(marketingWallet).transfer(address(this).balance); } function claimOtherTokens(IERC20 tokenAddress, address walletaddress) external onlyOwner() { tokenAddress.transfer(walletaddress, tokenAddress.balanceOf(address(this))); } function clearStuckBalance (address payable walletaddress) external onlyOwner() { walletaddress.transfer(address(this).balance); } function addBotWallet(address botwallet) external onlyOwner() { botWallets[botwallet] = true; } function removeBotWallet(address botwallet) external onlyOwner() { botWallets[botwallet] = false; } function getBotWalletStatus(address botwallet) public view returns (bool) { return botWallets[botwallet]; } function allowtrading()external onlyOwner() { canTrade = true; } function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner { swapAndLiquifyEnabled = _enabled; emit SwapAndLiquifyEnabledUpdated(_enabled); } //to recieve ETH from uniswapV2Router when swaping receive() external payable {} function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(tAmount); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, _getRate()); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity); } function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) { uint256 tFee = calculateTaxFee(tAmount); uint256 tLiquidity = calculateLiquidityFee(tAmount); uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity); return (tTransferAmount, tFee, tLiquidity); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rLiquidity = tLiquidity.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function _takeLiquidity(uint256 tLiquidity) private { uint256 currentRate = _getRate(); uint256 rLiquidity = tLiquidity.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity); if(_isExcluded[address(this)]) _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity); } function calculateTaxFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_taxFee).div( 10**2 ); } function calculateLiquidityFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_liquidityFee).div( 10**2 ); } function removeAllFee() private { if(_taxFee == 0 && _liquidityFee == 0) return; _previousTaxFee = _taxFee; _previousLiquidityFee = _liquidityFee; _taxFee = 0; _liquidityFee = 0; } function restoreAllFee() private { _taxFee = _previousTaxFee; _liquidityFee = _previousLiquidityFee; } function isExcludedFromFee(address account) public view returns(bool) { return _isExcludedFromFee[account]; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if(from != owner() && to != owner()) require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount."); // is the token balance of this contract address over the min number of // tokens that we need to initiate a swap + liquidity lock? // also, don't get caught in a circular liquidity event. // also, don't swap & liquify if sender is uniswap pair. uint256 contractTokenBalance = balanceOf(address(this)); if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity; if ( overMinTokenBalance && !inSwapAndLiquify && from != uniswapV2Pair && swapAndLiquifyEnabled ) { contractTokenBalance = numTokensSellToAddToLiquidity; //add liquidity swapAndLiquify(contractTokenBalance); } //indicates if fee should be deducted from transfer bool takeFee = true; //if any account belongs to _isExcludedFromFee account then remove the fee if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){ takeFee = false; } //transfer amount, it will take tax, burn, liquidity fee _tokenTransfer(from,to,amount,takeFee); } function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap { // split the contract balance into halves // add the marketing wallet uint256 half = contractTokenBalance.div(2); uint256 otherHalf = contractTokenBalance.sub(half); // capture the contract's current ETH balance. // this is so that we can capture exactly the amount of ETH that the // swap creates, and not make the liquidity event include any ETH that // has been manually sent to the contract uint256 initialBalance = address(this).balance; // swap tokens for ETH swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered // how much ETH did we just swap into? uint256 newBalance = address(this).balance.sub(initialBalance); uint256 marketingshare = newBalance.mul(80).div(100); payable(marketingWallet).transfer(marketingshare); newBalance -= marketingshare; // add liquidity to uniswap addLiquidity(otherHalf, newBalance); emit SwapAndLiquify(half, newBalance, otherHalf); } function swapTokensForEth(uint256 tokenAmount) private { // generate the uniswap pair path of token -> weth address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); // make the swap uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, // accept any amount of ETH path, address(this), block.timestamp ); } function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { // approve token transfer to cover all possible scenarios _approve(address(this), address(uniswapV2Router), tokenAmount); // add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable owner(), block.timestamp ); } //this method is responsible for taking all fee, if takeFee is true function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private { if(!canTrade){ require(sender == owner()); // only owner allowed to trade or add liquidity } if(botWallets[sender] || botWallets[recipient]){ require(botscantrade, "bots arent allowed to trade"); } if(!takeFee) removeAllFee(); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } if(!takeFee) restoreAllFee(); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } }
//to recieve ETH from uniswapV2Router when swaping
LineComment
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 10248, 10282 ] }
127
BananaKong
BananaKong.sol
0xc2b5fac2dd7ae08d04cc398f7cd2de6ad126bc4d
Solidity
BananaKong
contract BananaKong is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private _isExcluded; address[] private _excluded; mapping (address => bool) private botWallets; bool botscantrade = false; bool public canTrade = false; uint256 private constant MAX = ~uint256(0); uint256 private _tTotal = 69000000000000000000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; address public marketingWallet; string private _name = "Banana Kong"; string private _symbol = "BKONG"; uint8 private _decimals = 9; uint256 public _taxFee = 1; uint256 private _previousTaxFee = _taxFee; uint256 public _liquidityFee = 12; uint256 private _previousLiquidityFee = _liquidityFee; IUniswapV2Router02 public immutable uniswapV2Router; address public immutable uniswapV2Pair; bool inSwapAndLiquify; bool public swapAndLiquifyEnabled = true; uint256 public _maxTxAmount = 990000000000000000000 * 10**9; uint256 public numTokensSellToAddToLiquidity = 690000000000000000000 * 10**9; event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap); event SwapAndLiquifyEnabledUpdated(bool enabled); event SwapAndLiquify( uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity ); modifier lockTheSwap { inSwapAndLiquify = true; _; inSwapAndLiquify = false; } constructor () { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); //Mainnet & Testnet ETH // Create a uniswap pair for this new token uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); // set the rest of the contract variables uniswapV2Router = _uniswapV2Router; //exclude owner and this contract from fee _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcludedFromReward(address account) public view returns (bool) { return _isExcluded[account]; } function totalFees() public view returns (uint256) { return _tFeeTotal; } function airdrop(address recipient, uint256 amount) external onlyOwner() { removeAllFee(); _transfer(_msgSender(), recipient, amount * 10**9); restoreAllFee(); } function airdropInternal(address recipient, uint256 amount) internal { removeAllFee(); _transfer(_msgSender(), recipient, amount); restoreAllFee(); } function airdropArray(address[] calldata newholders, uint256[] calldata amounts) external onlyOwner(){ uint256 iterator = 0; require(newholders.length == amounts.length, "must be the same length"); while(iterator < newholders.length){ airdropInternal(newholders[iterator], amounts[iterator] * 10**9); iterator += 1; } } function deliver(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tFeeTotal = _tFeeTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeFromReward(address account) public onlyOwner() { // require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.'); require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeInReward(address account) external onlyOwner() { require(_isExcluded[account], "Account is already excluded"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function excludeFromFee(address account) public onlyOwner { _isExcludedFromFee[account] = true; } function includeInFee(address account) public onlyOwner { _isExcludedFromFee[account] = false; } function setMarketingWallet(address walletAddress) public onlyOwner { marketingWallet = walletAddress; } function upliftTxAmount() external onlyOwner() { _maxTxAmount = 69000000000000000000000 * 10**9; } function setSwapThresholdAmount(uint256 SwapThresholdAmount) external onlyOwner() { require(SwapThresholdAmount > 69000000, "Swap Threshold Amount cannot be less than 69 Million"); numTokensSellToAddToLiquidity = SwapThresholdAmount * 10**9; } function claimTokens () public onlyOwner { // make sure we capture all BNB that may or may not be sent to this contract payable(marketingWallet).transfer(address(this).balance); } function claimOtherTokens(IERC20 tokenAddress, address walletaddress) external onlyOwner() { tokenAddress.transfer(walletaddress, tokenAddress.balanceOf(address(this))); } function clearStuckBalance (address payable walletaddress) external onlyOwner() { walletaddress.transfer(address(this).balance); } function addBotWallet(address botwallet) external onlyOwner() { botWallets[botwallet] = true; } function removeBotWallet(address botwallet) external onlyOwner() { botWallets[botwallet] = false; } function getBotWalletStatus(address botwallet) public view returns (bool) { return botWallets[botwallet]; } function allowtrading()external onlyOwner() { canTrade = true; } function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner { swapAndLiquifyEnabled = _enabled; emit SwapAndLiquifyEnabledUpdated(_enabled); } //to recieve ETH from uniswapV2Router when swaping receive() external payable {} function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(tAmount); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, _getRate()); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity); } function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) { uint256 tFee = calculateTaxFee(tAmount); uint256 tLiquidity = calculateLiquidityFee(tAmount); uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity); return (tTransferAmount, tFee, tLiquidity); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rLiquidity = tLiquidity.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function _takeLiquidity(uint256 tLiquidity) private { uint256 currentRate = _getRate(); uint256 rLiquidity = tLiquidity.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity); if(_isExcluded[address(this)]) _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity); } function calculateTaxFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_taxFee).div( 10**2 ); } function calculateLiquidityFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_liquidityFee).div( 10**2 ); } function removeAllFee() private { if(_taxFee == 0 && _liquidityFee == 0) return; _previousTaxFee = _taxFee; _previousLiquidityFee = _liquidityFee; _taxFee = 0; _liquidityFee = 0; } function restoreAllFee() private { _taxFee = _previousTaxFee; _liquidityFee = _previousLiquidityFee; } function isExcludedFromFee(address account) public view returns(bool) { return _isExcludedFromFee[account]; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if(from != owner() && to != owner()) require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount."); // is the token balance of this contract address over the min number of // tokens that we need to initiate a swap + liquidity lock? // also, don't get caught in a circular liquidity event. // also, don't swap & liquify if sender is uniswap pair. uint256 contractTokenBalance = balanceOf(address(this)); if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity; if ( overMinTokenBalance && !inSwapAndLiquify && from != uniswapV2Pair && swapAndLiquifyEnabled ) { contractTokenBalance = numTokensSellToAddToLiquidity; //add liquidity swapAndLiquify(contractTokenBalance); } //indicates if fee should be deducted from transfer bool takeFee = true; //if any account belongs to _isExcludedFromFee account then remove the fee if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){ takeFee = false; } //transfer amount, it will take tax, burn, liquidity fee _tokenTransfer(from,to,amount,takeFee); } function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap { // split the contract balance into halves // add the marketing wallet uint256 half = contractTokenBalance.div(2); uint256 otherHalf = contractTokenBalance.sub(half); // capture the contract's current ETH balance. // this is so that we can capture exactly the amount of ETH that the // swap creates, and not make the liquidity event include any ETH that // has been manually sent to the contract uint256 initialBalance = address(this).balance; // swap tokens for ETH swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered // how much ETH did we just swap into? uint256 newBalance = address(this).balance.sub(initialBalance); uint256 marketingshare = newBalance.mul(80).div(100); payable(marketingWallet).transfer(marketingshare); newBalance -= marketingshare; // add liquidity to uniswap addLiquidity(otherHalf, newBalance); emit SwapAndLiquify(half, newBalance, otherHalf); } function swapTokensForEth(uint256 tokenAmount) private { // generate the uniswap pair path of token -> weth address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); // make the swap uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, // accept any amount of ETH path, address(this), block.timestamp ); } function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { // approve token transfer to cover all possible scenarios _approve(address(this), address(uniswapV2Router), tokenAmount); // add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable owner(), block.timestamp ); } //this method is responsible for taking all fee, if takeFee is true function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private { if(!canTrade){ require(sender == owner()); // only owner allowed to trade or add liquidity } if(botWallets[sender] || botWallets[recipient]){ require(botscantrade, "bots arent allowed to trade"); } if(!takeFee) removeAllFee(); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } if(!takeFee) restoreAllFee(); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } }
_tokenTransfer
function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private { if(!canTrade){ require(sender == owner()); // only owner allowed to trade or add liquidity } if(botWallets[sender] || botWallets[recipient]){ require(botscantrade, "bots arent allowed to trade"); } if(!takeFee) removeAllFee(); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } if(!takeFee) restoreAllFee(); }
//this method is responsible for taking all fee, if takeFee is true
LineComment
v0.8.9+commit.e5eed63a
Unlicense
ipfs://1f61365e99a29e2491db28fa8c1331548a9efdd3b4a7995173281253c7f748fe
{ "func_code_index": [ 18170, 19289 ] }
128
Crowdsale
Crowdsale.sol
0x2029f1376726e9b1e59a9eb0c40656f1949e6684
Solidity
Ownable
contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ function Ownable() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); OwnershipTransferred(owner, newOwner); owner = newOwner; } }
/** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". */
NatSpecMultiLine
Ownable
function Ownable() public { owner = msg.sender; }
/** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */
NatSpecMultiLine
v0.4.19+commit.c4cbbb05
bzzr://c25574a60ff107cffcf4c6de0de1463e5bf7a8bb64be3760966277d3098f4177
{ "func_code_index": [ 261, 321 ] }
129
Crowdsale
Crowdsale.sol
0x2029f1376726e9b1e59a9eb0c40656f1949e6684
Solidity
Ownable
contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ function Ownable() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); OwnershipTransferred(owner, newOwner); owner = newOwner; } }
/** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". */
NatSpecMultiLine
transferOwnership
function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); OwnershipTransferred(owner, newOwner); owner = newOwner; }
/** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */
NatSpecMultiLine
v0.4.19+commit.c4cbbb05
bzzr://c25574a60ff107cffcf4c6de0de1463e5bf7a8bb64be3760966277d3098f4177
{ "func_code_index": [ 644, 820 ] }
130
Crowdsale
Crowdsale.sol
0x2029f1376726e9b1e59a9eb0c40656f1949e6684
Solidity
ALT1Token
contract ALT1Token is Ownable, ERC20Basic { using SafeMath for uint256; string public constant name = "Altair VR presale token"; string public constant symbol = "ALT1"; uint8 public constant decimals = 18; bool public mintingFinished = false; mapping(address => uint256) public balances; address[] public holders; event Mint(address indexed to, uint256 amount); event MintFinished(); /** * @dev Function to mint tokens * @param _to The address that will receive the minted tokens. * @param _amount The amount of tokens to mint. * @return A boolean that indicates if the operation was successful. */ function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) { totalSupply = totalSupply.add(_amount); if (balances[_to] == 0) { holders.push(_to); } balances[_to] = balances[_to].add(_amount); Mint(_to, _amount); Transfer(address(0), _to, _amount); return true; } /** * @dev Function to stop minting new tokens. * @return True if the operation was successful. */ function finishMinting() onlyOwner canMint public returns (bool) { mintingFinished = true; MintFinished(); return true; } /** * @dev Current token is not transferred. * After start official token sale ALT, you can exchange your ALT1 to ALT */ function transfer(address, uint256) public returns (bool) { revert(); return false; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } modifier canMint() { require(!mintingFinished); _; } }
mint
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) { totalSupply = totalSupply.add(_amount); if (balances[_to] == 0) { holders.push(_to); } balances[_to] = balances[_to].add(_amount); Mint(_to, _amount); Transfer(address(0), _to, _amount); return true; }
/** * @dev Function to mint tokens * @param _to The address that will receive the minted tokens. * @param _amount The amount of tokens to mint. * @return A boolean that indicates if the operation was successful. */
NatSpecMultiLine
v0.4.19+commit.c4cbbb05
bzzr://c25574a60ff107cffcf4c6de0de1463e5bf7a8bb64be3760966277d3098f4177
{ "func_code_index": [ 662, 1000 ] }
131
Crowdsale
Crowdsale.sol
0x2029f1376726e9b1e59a9eb0c40656f1949e6684
Solidity
ALT1Token
contract ALT1Token is Ownable, ERC20Basic { using SafeMath for uint256; string public constant name = "Altair VR presale token"; string public constant symbol = "ALT1"; uint8 public constant decimals = 18; bool public mintingFinished = false; mapping(address => uint256) public balances; address[] public holders; event Mint(address indexed to, uint256 amount); event MintFinished(); /** * @dev Function to mint tokens * @param _to The address that will receive the minted tokens. * @param _amount The amount of tokens to mint. * @return A boolean that indicates if the operation was successful. */ function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) { totalSupply = totalSupply.add(_amount); if (balances[_to] == 0) { holders.push(_to); } balances[_to] = balances[_to].add(_amount); Mint(_to, _amount); Transfer(address(0), _to, _amount); return true; } /** * @dev Function to stop minting new tokens. * @return True if the operation was successful. */ function finishMinting() onlyOwner canMint public returns (bool) { mintingFinished = true; MintFinished(); return true; } /** * @dev Current token is not transferred. * After start official token sale ALT, you can exchange your ALT1 to ALT */ function transfer(address, uint256) public returns (bool) { revert(); return false; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } modifier canMint() { require(!mintingFinished); _; } }
finishMinting
function finishMinting() onlyOwner canMint public returns (bool) { mintingFinished = true; MintFinished(); return true; }
/** * @dev Function to stop minting new tokens. * @return True if the operation was successful. */
NatSpecMultiLine
v0.4.19+commit.c4cbbb05
bzzr://c25574a60ff107cffcf4c6de0de1463e5bf7a8bb64be3760966277d3098f4177
{ "func_code_index": [ 1114, 1256 ] }
132
Crowdsale
Crowdsale.sol
0x2029f1376726e9b1e59a9eb0c40656f1949e6684
Solidity
ALT1Token
contract ALT1Token is Ownable, ERC20Basic { using SafeMath for uint256; string public constant name = "Altair VR presale token"; string public constant symbol = "ALT1"; uint8 public constant decimals = 18; bool public mintingFinished = false; mapping(address => uint256) public balances; address[] public holders; event Mint(address indexed to, uint256 amount); event MintFinished(); /** * @dev Function to mint tokens * @param _to The address that will receive the minted tokens. * @param _amount The amount of tokens to mint. * @return A boolean that indicates if the operation was successful. */ function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) { totalSupply = totalSupply.add(_amount); if (balances[_to] == 0) { holders.push(_to); } balances[_to] = balances[_to].add(_amount); Mint(_to, _amount); Transfer(address(0), _to, _amount); return true; } /** * @dev Function to stop minting new tokens. * @return True if the operation was successful. */ function finishMinting() onlyOwner canMint public returns (bool) { mintingFinished = true; MintFinished(); return true; } /** * @dev Current token is not transferred. * After start official token sale ALT, you can exchange your ALT1 to ALT */ function transfer(address, uint256) public returns (bool) { revert(); return false; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } modifier canMint() { require(!mintingFinished); _; } }
transfer
function transfer(address, uint256) public returns (bool) { revert(); return false; }
/** * @dev Current token is not transferred. * After start official token sale ALT, you can exchange your ALT1 to ALT */
NatSpecMultiLine
v0.4.19+commit.c4cbbb05
bzzr://c25574a60ff107cffcf4c6de0de1463e5bf7a8bb64be3760966277d3098f4177
{ "func_code_index": [ 1392, 1493 ] }
133
Crowdsale
Crowdsale.sol
0x2029f1376726e9b1e59a9eb0c40656f1949e6684
Solidity
ALT1Token
contract ALT1Token is Ownable, ERC20Basic { using SafeMath for uint256; string public constant name = "Altair VR presale token"; string public constant symbol = "ALT1"; uint8 public constant decimals = 18; bool public mintingFinished = false; mapping(address => uint256) public balances; address[] public holders; event Mint(address indexed to, uint256 amount); event MintFinished(); /** * @dev Function to mint tokens * @param _to The address that will receive the minted tokens. * @param _amount The amount of tokens to mint. * @return A boolean that indicates if the operation was successful. */ function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) { totalSupply = totalSupply.add(_amount); if (balances[_to] == 0) { holders.push(_to); } balances[_to] = balances[_to].add(_amount); Mint(_to, _amount); Transfer(address(0), _to, _amount); return true; } /** * @dev Function to stop minting new tokens. * @return True if the operation was successful. */ function finishMinting() onlyOwner canMint public returns (bool) { mintingFinished = true; MintFinished(); return true; } /** * @dev Current token is not transferred. * After start official token sale ALT, you can exchange your ALT1 to ALT */ function transfer(address, uint256) public returns (bool) { revert(); return false; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } modifier canMint() { require(!mintingFinished); _; } }
balanceOf
function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; }
/** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */
NatSpecMultiLine
v0.4.19+commit.c4cbbb05
bzzr://c25574a60ff107cffcf4c6de0de1463e5bf7a8bb64be3760966277d3098f4177
{ "func_code_index": [ 1699, 1811 ] }
134
Crowdsale
Crowdsale.sol
0x2029f1376726e9b1e59a9eb0c40656f1949e6684
Solidity
Crowdsale
contract Crowdsale is Ownable { using SafeMath for uint256; uint256 public constant rate = 10000; // How many token units a buyer gets per wei uint256 public constant cap = 80000000 ether; // Maximum amount of funds bool public isFinalized = false; uint256 public endTime = 1522540800; // End timestamps where investments are allowed // 01-Apr-18 00:00:00 UTC uint256 public bonusDecreaseDay = 1517529600; // First day with lower bonus 02-Feb-18 00:00:00 UTC ALT1Token public token; // ALT1 token itself ALT1Token public oldToken; // Old ALT1 token for balance converting address public wallet; // Wallet of funds uint256 public weiRaised; // Amount of raised money in wei mapping(address => uint) public oldHolders; uint256 public constant bonusByAmount = 70; uint256 public constant amountForBonus = 50 ether; mapping(uint => uint) public bonusesByDates; uint[] public bonusesDates; event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount); event Finalized(); function Crowdsale (ALT1Token _ALT1, ALT1Token _OldALT1, address _wallet) public { assert(address(_ALT1) != address(0)); assert(address(_OldALT1) != address(0)); assert(_wallet != address(0)); assert(endTime > now); assert(rate > 0); assert(cap > 0); token = _ALT1; oldToken = _OldALT1; bonusesDates = [ bonusDecreaseDay, // 02-Feb-18 00:00:00 UTC 1517788800, // 05-Feb-18 00:00:00 UTC 1518048000, // 08-Feb-18 00:00:00 UTC 1518307200, // 11-Feb-18 00:00:00 UTC 1518566400, // 14-Feb-18 00:00:00 UTC 1518825600, // 17-Feb-18 00:00:00 UTC 1519084800, // 20-Feb-18 00:00:00 UTC 1519344000, // 23-Feb-18 00:00:00 UTC 1519603200 // 26-Feb-18 00:00:00 UTC ]; bonusesByDates[bonusesDates[0]] = 70; bonusesByDates[bonusesDates[1]] = 65; bonusesByDates[bonusesDates[2]] = 60; bonusesByDates[bonusesDates[3]] = 55; bonusesByDates[bonusesDates[4]] = 50; bonusesByDates[bonusesDates[5]] = 45; bonusesByDates[bonusesDates[6]] = 40; bonusesByDates[bonusesDates[7]] = 35; bonusesByDates[bonusesDates[8]] = 30; wallet = _wallet; } function () public payable { buyTokens(msg.sender); } function buyTokens(address beneficiary) public payable { require(beneficiary != address(0)); require(validPurchase()); uint256 weiAmount = msg.value; uint256 tokens = tokensForWei(weiAmount); weiRaised = weiRaised.add(weiAmount); token.mint(beneficiary, tokens); TokenPurchase(msg.sender, beneficiary, weiAmount, tokens); forwardFunds(); } function getBonus(uint256 _tokens) public view returns (uint256) { if (_tokens.div(rate) >= amountForBonus && now <= bonusesDates[8]) return _tokens.mul(70).div(100); if (now < bonusesDates[0]) return getBonusByDate(0, _tokens); if (now < bonusesDates[1]) return getBonusByDate(1, _tokens); if (now < bonusesDates[2]) return getBonusByDate(2, _tokens); if (now < bonusesDates[3]) return getBonusByDate(3, _tokens); if (now < bonusesDates[4]) return getBonusByDate(4, _tokens); if (now < bonusesDates[5]) return getBonusByDate(5, _tokens); if (now < bonusesDates[6]) return getBonusByDate(6, _tokens); if (now < bonusesDates[7]) return getBonusByDate(7, _tokens); if (now < bonusesDates[8]) return getBonusByDate(8, _tokens); return _tokens.mul(25).div(100); } function getBonusByDate(uint256 _number, uint256 _tokens) public view returns (uint256 bonus) { bonus = _tokens.mul(bonusesByDates[bonusesDates[_number]]).div(100); } function convertOldToken(address beneficiary) public oldTokenHolders(beneficiary) oldTokenFinalized { uint amount = oldToken.balanceOf(beneficiary); oldHolders[beneficiary] = amount; weiRaised = weiRaised.add(amount.div(17000)); token.mint(beneficiary, amount); } function convertAllOldTokens(uint256 length, uint256 start) public oldTokenFinalized { for (uint i = start; i < length; i++) { if (oldHolders[oldToken.holders(i)] == 0) { convertOldToken(oldToken.holders(i)); } } } /** * @dev Calls the contract's finalization function. */ function finalize() onlyOwner public { require(!isFinalized); finalization(); Finalized(); isFinalized = true; } // send ether to the fund collection wallet // override to create custom fund forwarding mechanisms function forwardFunds() internal { wallet.transfer(msg.value); } // @return true if the transaction can buy tokens function validPurchase() internal view returns (bool) { bool tokenMintingFinished = token.mintingFinished(); bool withinCap = token.totalSupply().add(tokensForWei(msg.value)) <= cap; bool withinPeriod = now <= endTime; bool nonZeroPurchase = msg.value != 0; bool moreThanMinimumPayment = msg.value >= 0.05 ether; return !tokenMintingFinished && withinCap && withinPeriod && nonZeroPurchase && moreThanMinimumPayment; } function tokensForWei(uint weiAmount) public view returns (uint tokens) { tokens = weiAmount.mul(rate); tokens = tokens.add(getBonus(tokens)); } function finalization() internal { token.finishMinting(); endTime = now; } // @return true if crowdsale event has ended function hasEnded() public view returns (bool) { return now > endTime; } /** * Throws if called by not an ALT0 holder or second time call for same ALT0 holder */ modifier oldTokenHolders(address beneficiary) { require(oldToken.balanceOf(beneficiary) > 0); require(oldHolders[beneficiary] == 0); _; } modifier oldTokenFinalized() { require(oldToken.mintingFinished()); _; } }
/** * @title Crowdsale ALT1 presale token */
NatSpecMultiLine
finalize
function finalize() onlyOwner public { require(!isFinalized); finalization(); Finalized(); isFinalized = true; }
/** * @dev Calls the contract's finalization function. */
NatSpecMultiLine
v0.4.19+commit.c4cbbb05
bzzr://c25574a60ff107cffcf4c6de0de1463e5bf7a8bb64be3760966277d3098f4177
{ "func_code_index": [ 4700, 4842 ] }
135
Crowdsale
Crowdsale.sol
0x2029f1376726e9b1e59a9eb0c40656f1949e6684
Solidity
Crowdsale
contract Crowdsale is Ownable { using SafeMath for uint256; uint256 public constant rate = 10000; // How many token units a buyer gets per wei uint256 public constant cap = 80000000 ether; // Maximum amount of funds bool public isFinalized = false; uint256 public endTime = 1522540800; // End timestamps where investments are allowed // 01-Apr-18 00:00:00 UTC uint256 public bonusDecreaseDay = 1517529600; // First day with lower bonus 02-Feb-18 00:00:00 UTC ALT1Token public token; // ALT1 token itself ALT1Token public oldToken; // Old ALT1 token for balance converting address public wallet; // Wallet of funds uint256 public weiRaised; // Amount of raised money in wei mapping(address => uint) public oldHolders; uint256 public constant bonusByAmount = 70; uint256 public constant amountForBonus = 50 ether; mapping(uint => uint) public bonusesByDates; uint[] public bonusesDates; event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount); event Finalized(); function Crowdsale (ALT1Token _ALT1, ALT1Token _OldALT1, address _wallet) public { assert(address(_ALT1) != address(0)); assert(address(_OldALT1) != address(0)); assert(_wallet != address(0)); assert(endTime > now); assert(rate > 0); assert(cap > 0); token = _ALT1; oldToken = _OldALT1; bonusesDates = [ bonusDecreaseDay, // 02-Feb-18 00:00:00 UTC 1517788800, // 05-Feb-18 00:00:00 UTC 1518048000, // 08-Feb-18 00:00:00 UTC 1518307200, // 11-Feb-18 00:00:00 UTC 1518566400, // 14-Feb-18 00:00:00 UTC 1518825600, // 17-Feb-18 00:00:00 UTC 1519084800, // 20-Feb-18 00:00:00 UTC 1519344000, // 23-Feb-18 00:00:00 UTC 1519603200 // 26-Feb-18 00:00:00 UTC ]; bonusesByDates[bonusesDates[0]] = 70; bonusesByDates[bonusesDates[1]] = 65; bonusesByDates[bonusesDates[2]] = 60; bonusesByDates[bonusesDates[3]] = 55; bonusesByDates[bonusesDates[4]] = 50; bonusesByDates[bonusesDates[5]] = 45; bonusesByDates[bonusesDates[6]] = 40; bonusesByDates[bonusesDates[7]] = 35; bonusesByDates[bonusesDates[8]] = 30; wallet = _wallet; } function () public payable { buyTokens(msg.sender); } function buyTokens(address beneficiary) public payable { require(beneficiary != address(0)); require(validPurchase()); uint256 weiAmount = msg.value; uint256 tokens = tokensForWei(weiAmount); weiRaised = weiRaised.add(weiAmount); token.mint(beneficiary, tokens); TokenPurchase(msg.sender, beneficiary, weiAmount, tokens); forwardFunds(); } function getBonus(uint256 _tokens) public view returns (uint256) { if (_tokens.div(rate) >= amountForBonus && now <= bonusesDates[8]) return _tokens.mul(70).div(100); if (now < bonusesDates[0]) return getBonusByDate(0, _tokens); if (now < bonusesDates[1]) return getBonusByDate(1, _tokens); if (now < bonusesDates[2]) return getBonusByDate(2, _tokens); if (now < bonusesDates[3]) return getBonusByDate(3, _tokens); if (now < bonusesDates[4]) return getBonusByDate(4, _tokens); if (now < bonusesDates[5]) return getBonusByDate(5, _tokens); if (now < bonusesDates[6]) return getBonusByDate(6, _tokens); if (now < bonusesDates[7]) return getBonusByDate(7, _tokens); if (now < bonusesDates[8]) return getBonusByDate(8, _tokens); return _tokens.mul(25).div(100); } function getBonusByDate(uint256 _number, uint256 _tokens) public view returns (uint256 bonus) { bonus = _tokens.mul(bonusesByDates[bonusesDates[_number]]).div(100); } function convertOldToken(address beneficiary) public oldTokenHolders(beneficiary) oldTokenFinalized { uint amount = oldToken.balanceOf(beneficiary); oldHolders[beneficiary] = amount; weiRaised = weiRaised.add(amount.div(17000)); token.mint(beneficiary, amount); } function convertAllOldTokens(uint256 length, uint256 start) public oldTokenFinalized { for (uint i = start; i < length; i++) { if (oldHolders[oldToken.holders(i)] == 0) { convertOldToken(oldToken.holders(i)); } } } /** * @dev Calls the contract's finalization function. */ function finalize() onlyOwner public { require(!isFinalized); finalization(); Finalized(); isFinalized = true; } // send ether to the fund collection wallet // override to create custom fund forwarding mechanisms function forwardFunds() internal { wallet.transfer(msg.value); } // @return true if the transaction can buy tokens function validPurchase() internal view returns (bool) { bool tokenMintingFinished = token.mintingFinished(); bool withinCap = token.totalSupply().add(tokensForWei(msg.value)) <= cap; bool withinPeriod = now <= endTime; bool nonZeroPurchase = msg.value != 0; bool moreThanMinimumPayment = msg.value >= 0.05 ether; return !tokenMintingFinished && withinCap && withinPeriod && nonZeroPurchase && moreThanMinimumPayment; } function tokensForWei(uint weiAmount) public view returns (uint tokens) { tokens = weiAmount.mul(rate); tokens = tokens.add(getBonus(tokens)); } function finalization() internal { token.finishMinting(); endTime = now; } // @return true if crowdsale event has ended function hasEnded() public view returns (bool) { return now > endTime; } /** * Throws if called by not an ALT0 holder or second time call for same ALT0 holder */ modifier oldTokenHolders(address beneficiary) { require(oldToken.balanceOf(beneficiary) > 0); require(oldHolders[beneficiary] == 0); _; } modifier oldTokenFinalized() { require(oldToken.mintingFinished()); _; } }
/** * @title Crowdsale ALT1 presale token */
NatSpecMultiLine
forwardFunds
function forwardFunds() internal { wallet.transfer(msg.value); }
// send ether to the fund collection wallet // override to create custom fund forwarding mechanisms
LineComment
v0.4.19+commit.c4cbbb05
bzzr://c25574a60ff107cffcf4c6de0de1463e5bf7a8bb64be3760966277d3098f4177
{ "func_code_index": [ 4951, 5026 ] }
136
Crowdsale
Crowdsale.sol
0x2029f1376726e9b1e59a9eb0c40656f1949e6684
Solidity
Crowdsale
contract Crowdsale is Ownable { using SafeMath for uint256; uint256 public constant rate = 10000; // How many token units a buyer gets per wei uint256 public constant cap = 80000000 ether; // Maximum amount of funds bool public isFinalized = false; uint256 public endTime = 1522540800; // End timestamps where investments are allowed // 01-Apr-18 00:00:00 UTC uint256 public bonusDecreaseDay = 1517529600; // First day with lower bonus 02-Feb-18 00:00:00 UTC ALT1Token public token; // ALT1 token itself ALT1Token public oldToken; // Old ALT1 token for balance converting address public wallet; // Wallet of funds uint256 public weiRaised; // Amount of raised money in wei mapping(address => uint) public oldHolders; uint256 public constant bonusByAmount = 70; uint256 public constant amountForBonus = 50 ether; mapping(uint => uint) public bonusesByDates; uint[] public bonusesDates; event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount); event Finalized(); function Crowdsale (ALT1Token _ALT1, ALT1Token _OldALT1, address _wallet) public { assert(address(_ALT1) != address(0)); assert(address(_OldALT1) != address(0)); assert(_wallet != address(0)); assert(endTime > now); assert(rate > 0); assert(cap > 0); token = _ALT1; oldToken = _OldALT1; bonusesDates = [ bonusDecreaseDay, // 02-Feb-18 00:00:00 UTC 1517788800, // 05-Feb-18 00:00:00 UTC 1518048000, // 08-Feb-18 00:00:00 UTC 1518307200, // 11-Feb-18 00:00:00 UTC 1518566400, // 14-Feb-18 00:00:00 UTC 1518825600, // 17-Feb-18 00:00:00 UTC 1519084800, // 20-Feb-18 00:00:00 UTC 1519344000, // 23-Feb-18 00:00:00 UTC 1519603200 // 26-Feb-18 00:00:00 UTC ]; bonusesByDates[bonusesDates[0]] = 70; bonusesByDates[bonusesDates[1]] = 65; bonusesByDates[bonusesDates[2]] = 60; bonusesByDates[bonusesDates[3]] = 55; bonusesByDates[bonusesDates[4]] = 50; bonusesByDates[bonusesDates[5]] = 45; bonusesByDates[bonusesDates[6]] = 40; bonusesByDates[bonusesDates[7]] = 35; bonusesByDates[bonusesDates[8]] = 30; wallet = _wallet; } function () public payable { buyTokens(msg.sender); } function buyTokens(address beneficiary) public payable { require(beneficiary != address(0)); require(validPurchase()); uint256 weiAmount = msg.value; uint256 tokens = tokensForWei(weiAmount); weiRaised = weiRaised.add(weiAmount); token.mint(beneficiary, tokens); TokenPurchase(msg.sender, beneficiary, weiAmount, tokens); forwardFunds(); } function getBonus(uint256 _tokens) public view returns (uint256) { if (_tokens.div(rate) >= amountForBonus && now <= bonusesDates[8]) return _tokens.mul(70).div(100); if (now < bonusesDates[0]) return getBonusByDate(0, _tokens); if (now < bonusesDates[1]) return getBonusByDate(1, _tokens); if (now < bonusesDates[2]) return getBonusByDate(2, _tokens); if (now < bonusesDates[3]) return getBonusByDate(3, _tokens); if (now < bonusesDates[4]) return getBonusByDate(4, _tokens); if (now < bonusesDates[5]) return getBonusByDate(5, _tokens); if (now < bonusesDates[6]) return getBonusByDate(6, _tokens); if (now < bonusesDates[7]) return getBonusByDate(7, _tokens); if (now < bonusesDates[8]) return getBonusByDate(8, _tokens); return _tokens.mul(25).div(100); } function getBonusByDate(uint256 _number, uint256 _tokens) public view returns (uint256 bonus) { bonus = _tokens.mul(bonusesByDates[bonusesDates[_number]]).div(100); } function convertOldToken(address beneficiary) public oldTokenHolders(beneficiary) oldTokenFinalized { uint amount = oldToken.balanceOf(beneficiary); oldHolders[beneficiary] = amount; weiRaised = weiRaised.add(amount.div(17000)); token.mint(beneficiary, amount); } function convertAllOldTokens(uint256 length, uint256 start) public oldTokenFinalized { for (uint i = start; i < length; i++) { if (oldHolders[oldToken.holders(i)] == 0) { convertOldToken(oldToken.holders(i)); } } } /** * @dev Calls the contract's finalization function. */ function finalize() onlyOwner public { require(!isFinalized); finalization(); Finalized(); isFinalized = true; } // send ether to the fund collection wallet // override to create custom fund forwarding mechanisms function forwardFunds() internal { wallet.transfer(msg.value); } // @return true if the transaction can buy tokens function validPurchase() internal view returns (bool) { bool tokenMintingFinished = token.mintingFinished(); bool withinCap = token.totalSupply().add(tokensForWei(msg.value)) <= cap; bool withinPeriod = now <= endTime; bool nonZeroPurchase = msg.value != 0; bool moreThanMinimumPayment = msg.value >= 0.05 ether; return !tokenMintingFinished && withinCap && withinPeriod && nonZeroPurchase && moreThanMinimumPayment; } function tokensForWei(uint weiAmount) public view returns (uint tokens) { tokens = weiAmount.mul(rate); tokens = tokens.add(getBonus(tokens)); } function finalization() internal { token.finishMinting(); endTime = now; } // @return true if crowdsale event has ended function hasEnded() public view returns (bool) { return now > endTime; } /** * Throws if called by not an ALT0 holder or second time call for same ALT0 holder */ modifier oldTokenHolders(address beneficiary) { require(oldToken.balanceOf(beneficiary) > 0); require(oldHolders[beneficiary] == 0); _; } modifier oldTokenFinalized() { require(oldToken.mintingFinished()); _; } }
/** * @title Crowdsale ALT1 presale token */
NatSpecMultiLine
validPurchase
function validPurchase() internal view returns (bool) { bool tokenMintingFinished = token.mintingFinished(); bool withinCap = token.totalSupply().add(tokensForWei(msg.value)) <= cap; bool withinPeriod = now <= endTime; bool nonZeroPurchase = msg.value != 0; bool moreThanMinimumPayment = msg.value >= 0.05 ether; return !tokenMintingFinished && withinCap && withinPeriod && nonZeroPurchase && moreThanMinimumPayment; }
// @return true if the transaction can buy tokens
LineComment
v0.4.19+commit.c4cbbb05
bzzr://c25574a60ff107cffcf4c6de0de1463e5bf7a8bb64be3760966277d3098f4177
{ "func_code_index": [ 5082, 5538 ] }
137
Crowdsale
Crowdsale.sol
0x2029f1376726e9b1e59a9eb0c40656f1949e6684
Solidity
Crowdsale
contract Crowdsale is Ownable { using SafeMath for uint256; uint256 public constant rate = 10000; // How many token units a buyer gets per wei uint256 public constant cap = 80000000 ether; // Maximum amount of funds bool public isFinalized = false; uint256 public endTime = 1522540800; // End timestamps where investments are allowed // 01-Apr-18 00:00:00 UTC uint256 public bonusDecreaseDay = 1517529600; // First day with lower bonus 02-Feb-18 00:00:00 UTC ALT1Token public token; // ALT1 token itself ALT1Token public oldToken; // Old ALT1 token for balance converting address public wallet; // Wallet of funds uint256 public weiRaised; // Amount of raised money in wei mapping(address => uint) public oldHolders; uint256 public constant bonusByAmount = 70; uint256 public constant amountForBonus = 50 ether; mapping(uint => uint) public bonusesByDates; uint[] public bonusesDates; event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount); event Finalized(); function Crowdsale (ALT1Token _ALT1, ALT1Token _OldALT1, address _wallet) public { assert(address(_ALT1) != address(0)); assert(address(_OldALT1) != address(0)); assert(_wallet != address(0)); assert(endTime > now); assert(rate > 0); assert(cap > 0); token = _ALT1; oldToken = _OldALT1; bonusesDates = [ bonusDecreaseDay, // 02-Feb-18 00:00:00 UTC 1517788800, // 05-Feb-18 00:00:00 UTC 1518048000, // 08-Feb-18 00:00:00 UTC 1518307200, // 11-Feb-18 00:00:00 UTC 1518566400, // 14-Feb-18 00:00:00 UTC 1518825600, // 17-Feb-18 00:00:00 UTC 1519084800, // 20-Feb-18 00:00:00 UTC 1519344000, // 23-Feb-18 00:00:00 UTC 1519603200 // 26-Feb-18 00:00:00 UTC ]; bonusesByDates[bonusesDates[0]] = 70; bonusesByDates[bonusesDates[1]] = 65; bonusesByDates[bonusesDates[2]] = 60; bonusesByDates[bonusesDates[3]] = 55; bonusesByDates[bonusesDates[4]] = 50; bonusesByDates[bonusesDates[5]] = 45; bonusesByDates[bonusesDates[6]] = 40; bonusesByDates[bonusesDates[7]] = 35; bonusesByDates[bonusesDates[8]] = 30; wallet = _wallet; } function () public payable { buyTokens(msg.sender); } function buyTokens(address beneficiary) public payable { require(beneficiary != address(0)); require(validPurchase()); uint256 weiAmount = msg.value; uint256 tokens = tokensForWei(weiAmount); weiRaised = weiRaised.add(weiAmount); token.mint(beneficiary, tokens); TokenPurchase(msg.sender, beneficiary, weiAmount, tokens); forwardFunds(); } function getBonus(uint256 _tokens) public view returns (uint256) { if (_tokens.div(rate) >= amountForBonus && now <= bonusesDates[8]) return _tokens.mul(70).div(100); if (now < bonusesDates[0]) return getBonusByDate(0, _tokens); if (now < bonusesDates[1]) return getBonusByDate(1, _tokens); if (now < bonusesDates[2]) return getBonusByDate(2, _tokens); if (now < bonusesDates[3]) return getBonusByDate(3, _tokens); if (now < bonusesDates[4]) return getBonusByDate(4, _tokens); if (now < bonusesDates[5]) return getBonusByDate(5, _tokens); if (now < bonusesDates[6]) return getBonusByDate(6, _tokens); if (now < bonusesDates[7]) return getBonusByDate(7, _tokens); if (now < bonusesDates[8]) return getBonusByDate(8, _tokens); return _tokens.mul(25).div(100); } function getBonusByDate(uint256 _number, uint256 _tokens) public view returns (uint256 bonus) { bonus = _tokens.mul(bonusesByDates[bonusesDates[_number]]).div(100); } function convertOldToken(address beneficiary) public oldTokenHolders(beneficiary) oldTokenFinalized { uint amount = oldToken.balanceOf(beneficiary); oldHolders[beneficiary] = amount; weiRaised = weiRaised.add(amount.div(17000)); token.mint(beneficiary, amount); } function convertAllOldTokens(uint256 length, uint256 start) public oldTokenFinalized { for (uint i = start; i < length; i++) { if (oldHolders[oldToken.holders(i)] == 0) { convertOldToken(oldToken.holders(i)); } } } /** * @dev Calls the contract's finalization function. */ function finalize() onlyOwner public { require(!isFinalized); finalization(); Finalized(); isFinalized = true; } // send ether to the fund collection wallet // override to create custom fund forwarding mechanisms function forwardFunds() internal { wallet.transfer(msg.value); } // @return true if the transaction can buy tokens function validPurchase() internal view returns (bool) { bool tokenMintingFinished = token.mintingFinished(); bool withinCap = token.totalSupply().add(tokensForWei(msg.value)) <= cap; bool withinPeriod = now <= endTime; bool nonZeroPurchase = msg.value != 0; bool moreThanMinimumPayment = msg.value >= 0.05 ether; return !tokenMintingFinished && withinCap && withinPeriod && nonZeroPurchase && moreThanMinimumPayment; } function tokensForWei(uint weiAmount) public view returns (uint tokens) { tokens = weiAmount.mul(rate); tokens = tokens.add(getBonus(tokens)); } function finalization() internal { token.finishMinting(); endTime = now; } // @return true if crowdsale event has ended function hasEnded() public view returns (bool) { return now > endTime; } /** * Throws if called by not an ALT0 holder or second time call for same ALT0 holder */ modifier oldTokenHolders(address beneficiary) { require(oldToken.balanceOf(beneficiary) > 0); require(oldHolders[beneficiary] == 0); _; } modifier oldTokenFinalized() { require(oldToken.mintingFinished()); _; } }
/** * @title Crowdsale ALT1 presale token */
NatSpecMultiLine
hasEnded
function hasEnded() public view returns (bool) { return now > endTime; }
// @return true if crowdsale event has ended
LineComment
v0.4.19+commit.c4cbbb05
bzzr://c25574a60ff107cffcf4c6de0de1463e5bf7a8bb64be3760966277d3098f4177
{ "func_code_index": [ 5845, 5928 ] }
138
CulturalChain
CulturalChain.sol
0x3d8c5681a4f4faf49e5dc9a24f2c7372d7cca65b
Solidity
CulturalChain
contract CulturalChain is EIP20Interface { uint256 constant private MAX_UINT256 = 2**256 - 1; mapping (address => uint256) public balances; mapping (address => mapping (address => uint256)) public allowed; /* NOTE: The following variables are OPTIONAL vanities. One does not have to include them. They allow one to customise the token contract & in no way influences the core functionality. Some wallets/interfaces might not even bother to look at this information. */ string public name; //fancy name: eg Simon Bucks uint8 public decimals; //How many decimals to show. string public symbol; //An identifier: eg SBX function CulturalChain( uint256 _initialAmount, string _tokenName, uint8 _decimalUnits, string _tokenSymbol ) public { balances[msg.sender] = _initialAmount; // Give the creator all initial tokens totalSupply = _initialAmount; // Update total supply name = _tokenName; // Set the name for display purposes decimals = _decimalUnits; // Amount of decimals for display purposes symbol = _tokenSymbol; // Set the symbol for display purposes } function transfer(address _to, uint256 _value) public returns (bool success) { require(balances[msg.sender] >= _value); balances[msg.sender] -= _value; balances[_to] += _value; emit Transfer(msg.sender, _to, _value); //solhint-disable-line indent, no-unused-vars return true; } function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { uint256 allowance = allowed[_from][msg.sender]; require(balances[_from] >= _value && allowance >= _value); balances[_to] += _value; balances[_from] -= _value; if (allowance < MAX_UINT256) { allowed[_from][msg.sender] -= _value; } emit Transfer(_from, _to, _value); //solhint-disable-line indent, no-unused-vars return true; } function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } function approve(address _spender, uint256 _value) public returns (bool success) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); //solhint-disable-line indent, no-unused-vars return true; } function allowance(address _owner, address _spender) public view returns (uint256 remaining) { return allowed[_owner][_spender]; } }
CulturalChain
function CulturalChain( uint256 _initialAmount, string _tokenName, uint8 _decimalUnits, string _tokenSymbol ) public { balances[msg.sender] = _initialAmount; // Give the creator all initial tokens totalSupply = _initialAmount; // Update total supply name = _tokenName; // Set the name for display purposes decimals = _decimalUnits; // Amount of decimals for display purposes symbol = _tokenSymbol; // Set the symbol for display purposes }
//An identifier: eg SBX
LineComment
v0.4.21+commit.dfe3193c
bzzr://5f212b015c93277165f273868130d56d7b0e0d68c9b703d4583d46665f97a3a8
{ "func_code_index": [ 730, 1392 ] }
139
Escrow
Escrow.sol
0x8df8d68c2cc0604b45ce5b69d6556722736a18bb
Solidity
SafeMath
library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { // Gas optimization: this is cheaper than asserting 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522 if (a == 0) { return 0; } c = a * b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 // uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return a / b; } /** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; assert(c >= a); return c; } }
/** * @title SafeMath * @dev Math operations with safety checks that throw on error */
NatSpecMultiLine
mul
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { // Gas optimization: this is cheaper than asserting 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522 if (a == 0) { return 0; } c = a * b; assert(c / a == b); return c; }
/** * @dev Multiplies two numbers, throws on overflow. */
NatSpecMultiLine
v0.4.25+commit.59dbf8f1
bzzr://c62b407954252e407fbac0052997bfe78e453869286a47a4ea337e31c2196fac
{ "func_code_index": [ 95, 524 ] }
140
Escrow
Escrow.sol
0x8df8d68c2cc0604b45ce5b69d6556722736a18bb
Solidity
SafeMath
library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { // Gas optimization: this is cheaper than asserting 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522 if (a == 0) { return 0; } c = a * b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 // uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return a / b; } /** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; assert(c >= a); return c; } }
/** * @title SafeMath * @dev Math operations with safety checks that throw on error */
NatSpecMultiLine
div
function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 // uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return a / b; }
/** * @dev Integer division of two numbers, truncating the quotient. */
NatSpecMultiLine
v0.4.25+commit.59dbf8f1
bzzr://c62b407954252e407fbac0052997bfe78e453869286a47a4ea337e31c2196fac
{ "func_code_index": [ 614, 914 ] }
141
Escrow
Escrow.sol
0x8df8d68c2cc0604b45ce5b69d6556722736a18bb
Solidity
SafeMath
library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { // Gas optimization: this is cheaper than asserting 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522 if (a == 0) { return 0; } c = a * b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 // uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return a / b; } /** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; assert(c >= a); return c; } }
/** * @title SafeMath * @dev Math operations with safety checks that throw on error */
NatSpecMultiLine
sub
function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; }
/** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */
NatSpecMultiLine
v0.4.25+commit.59dbf8f1
bzzr://c62b407954252e407fbac0052997bfe78e453869286a47a4ea337e31c2196fac
{ "func_code_index": [ 1034, 1162 ] }
142
Escrow
Escrow.sol
0x8df8d68c2cc0604b45ce5b69d6556722736a18bb
Solidity
SafeMath
library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { // Gas optimization: this is cheaper than asserting 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522 if (a == 0) { return 0; } c = a * b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 // uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return a / b; } /** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; assert(c >= a); return c; } }
/** * @title SafeMath * @dev Math operations with safety checks that throw on error */
NatSpecMultiLine
add
function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; assert(c >= a); return c; }
/** * @dev Adds two numbers, throws on overflow. */
NatSpecMultiLine
v0.4.25+commit.59dbf8f1
bzzr://c62b407954252e407fbac0052997bfe78e453869286a47a4ea337e31c2196fac
{ "func_code_index": [ 1232, 1378 ] }
143
Escrow
Escrow.sol
0x8df8d68c2cc0604b45ce5b69d6556722736a18bb
Solidity
Escrow
contract Escrow is Ownable { using SafeMath for uint256; struct Stage { uint releaseTime; uint percent; bool transferred; } mapping (uint => Stage) public stages; uint public stageCount; uint public stopDay; uint public startBalance = 0; constructor(uint _stopDay) public { stopDay = _stopDay; } function() payable public { } //1% - 100, 10% - 1000 50% - 5000 function addStage(uint _releaseTime, uint _percent) onlyOwner public { require(_percent >= 100); require(_releaseTime > stages[stageCount].releaseTime); stageCount++; stages[stageCount].releaseTime = _releaseTime; stages[stageCount].percent = _percent; } function getETH(uint _stage, address _to) onlyManager external { require(stages[_stage].releaseTime < now); require(!stages[_stage].transferred); require(_to != address(0)); if (startBalance == 0) { startBalance = address(this).balance; } uint val = valueFromPercent(startBalance, stages[_stage].percent); stages[_stage].transferred = true; _to.transfer(val); } function getAllETH(address _to) onlyManager external { require(stopDay < now); require(address(this).balance > 0); require(_to != address(0)); _to.transfer(address(this).balance); } function transferETH(address _to) onlyOwner external { require(address(this).balance > 0); require(_to != address(0)); _to.transfer(address(this).balance); } //1% - 100, 10% - 1000 50% - 5000 function valueFromPercent(uint _value, uint _percent) internal pure returns (uint amount) { uint _amount = _value.mul(_percent).div(10000); return (_amount); } function setStopDay(uint _stopDay) onlyOwner external { stopDay = _stopDay; } }
/** * @title TokenTimelock * @dev TokenTimelock is a token holder contract that will allow a * beneficiary to extract the tokens after a given release time */
NatSpecMultiLine
addStage
function addStage(uint _releaseTime, uint _percent) onlyOwner public { require(_percent >= 100); require(_releaseTime > stages[stageCount].releaseTime); stageCount++; stages[stageCount].releaseTime = _releaseTime; stages[stageCount].percent = _percent; }
//1% - 100, 10% - 1000 50% - 5000
LineComment
v0.4.25+commit.59dbf8f1
bzzr://c62b407954252e407fbac0052997bfe78e453869286a47a4ea337e31c2196fac
{ "func_code_index": [ 473, 782 ] }
144
Escrow
Escrow.sol
0x8df8d68c2cc0604b45ce5b69d6556722736a18bb
Solidity
Escrow
contract Escrow is Ownable { using SafeMath for uint256; struct Stage { uint releaseTime; uint percent; bool transferred; } mapping (uint => Stage) public stages; uint public stageCount; uint public stopDay; uint public startBalance = 0; constructor(uint _stopDay) public { stopDay = _stopDay; } function() payable public { } //1% - 100, 10% - 1000 50% - 5000 function addStage(uint _releaseTime, uint _percent) onlyOwner public { require(_percent >= 100); require(_releaseTime > stages[stageCount].releaseTime); stageCount++; stages[stageCount].releaseTime = _releaseTime; stages[stageCount].percent = _percent; } function getETH(uint _stage, address _to) onlyManager external { require(stages[_stage].releaseTime < now); require(!stages[_stage].transferred); require(_to != address(0)); if (startBalance == 0) { startBalance = address(this).balance; } uint val = valueFromPercent(startBalance, stages[_stage].percent); stages[_stage].transferred = true; _to.transfer(val); } function getAllETH(address _to) onlyManager external { require(stopDay < now); require(address(this).balance > 0); require(_to != address(0)); _to.transfer(address(this).balance); } function transferETH(address _to) onlyOwner external { require(address(this).balance > 0); require(_to != address(0)); _to.transfer(address(this).balance); } //1% - 100, 10% - 1000 50% - 5000 function valueFromPercent(uint _value, uint _percent) internal pure returns (uint amount) { uint _amount = _value.mul(_percent).div(10000); return (_amount); } function setStopDay(uint _stopDay) onlyOwner external { stopDay = _stopDay; } }
/** * @title TokenTimelock * @dev TokenTimelock is a token holder contract that will allow a * beneficiary to extract the tokens after a given release time */
NatSpecMultiLine
valueFromPercent
function valueFromPercent(uint _value, uint _percent) internal pure returns (uint amount) { uint _amount = _value.mul(_percent).div(10000); return (_amount); }
//1% - 100, 10% - 1000 50% - 5000
LineComment
v0.4.25+commit.59dbf8f1
bzzr://c62b407954252e407fbac0052997bfe78e453869286a47a4ea337e31c2196fac
{ "func_code_index": [ 1724, 1914 ] }
145
EqualToken
EqualToken.sol
0x5824f275dab2c59b8972a1fda45ff404c9a703e3
Solidity
Token
contract Token { /// @return total amount of tokens function totalSupply() constant returns (uint256 supply); /// @param _owner The address from which the balance will be retrieved /// @return The balance function balanceOf(address _owner) constant returns (uint256 balance); /// @notice send `_value` token to `_to` from `msg.sender` /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transfer(address _to, uint256 _value) returns (bool success); /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from` /// @param _from The address of the sender /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) returns (bool success); /// @notice `msg.sender` approves `_addr` to spend `_value` tokens /// @param _spender The address of the account able to transfer the tokens /// @param _value The amount of wei to be approved for transfer /// @return Whether the approval was successful or not function approve(address _spender, uint256 _value) returns (bool success); /// @param _owner The address of the account owning tokens /// @param _spender The address of the account able to transfer the tokens /// @return Amount of remaining tokens allowed to spent function allowance(address _owner, address _spender) constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); event Burn(address indexed from, uint256 value); }
totalSupply
function totalSupply() constant returns (uint256 supply);
/// @return total amount of tokens
NatSpecSingleLine
v0.4.18+commit.9cf6e910
bzzr://03157a881cbeb271c2ac473f7a83ac498e77628ebad3e7cf4d521bd02770c22e
{ "func_code_index": [ 60, 122 ] }
146
EqualToken
EqualToken.sol
0x5824f275dab2c59b8972a1fda45ff404c9a703e3
Solidity
Token
contract Token { /// @return total amount of tokens function totalSupply() constant returns (uint256 supply); /// @param _owner The address from which the balance will be retrieved /// @return The balance function balanceOf(address _owner) constant returns (uint256 balance); /// @notice send `_value` token to `_to` from `msg.sender` /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transfer(address _to, uint256 _value) returns (bool success); /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from` /// @param _from The address of the sender /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) returns (bool success); /// @notice `msg.sender` approves `_addr` to spend `_value` tokens /// @param _spender The address of the account able to transfer the tokens /// @param _value The amount of wei to be approved for transfer /// @return Whether the approval was successful or not function approve(address _spender, uint256 _value) returns (bool success); /// @param _owner The address of the account owning tokens /// @param _spender The address of the account able to transfer the tokens /// @return Amount of remaining tokens allowed to spent function allowance(address _owner, address _spender) constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); event Burn(address indexed from, uint256 value); }
balanceOf
function balanceOf(address _owner) constant returns (uint256 balance);
/// @param _owner The address from which the balance will be retrieved /// @return The balance
NatSpecSingleLine
v0.4.18+commit.9cf6e910
bzzr://03157a881cbeb271c2ac473f7a83ac498e77628ebad3e7cf4d521bd02770c22e
{ "func_code_index": [ 230, 305 ] }
147
EqualToken
EqualToken.sol
0x5824f275dab2c59b8972a1fda45ff404c9a703e3
Solidity
Token
contract Token { /// @return total amount of tokens function totalSupply() constant returns (uint256 supply); /// @param _owner The address from which the balance will be retrieved /// @return The balance function balanceOf(address _owner) constant returns (uint256 balance); /// @notice send `_value` token to `_to` from `msg.sender` /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transfer(address _to, uint256 _value) returns (bool success); /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from` /// @param _from The address of the sender /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) returns (bool success); /// @notice `msg.sender` approves `_addr` to spend `_value` tokens /// @param _spender The address of the account able to transfer the tokens /// @param _value The amount of wei to be approved for transfer /// @return Whether the approval was successful or not function approve(address _spender, uint256 _value) returns (bool success); /// @param _owner The address of the account owning tokens /// @param _spender The address of the account able to transfer the tokens /// @return Amount of remaining tokens allowed to spent function allowance(address _owner, address _spender) constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); event Burn(address indexed from, uint256 value); }
transfer
function transfer(address _to, uint256 _value) returns (bool success);
/// @notice send `_value` token to `_to` from `msg.sender` /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not
NatSpecSingleLine
v0.4.18+commit.9cf6e910
bzzr://03157a881cbeb271c2ac473f7a83ac498e77628ebad3e7cf4d521bd02770c22e
{ "func_code_index": [ 540, 615 ] }
148
EqualToken
EqualToken.sol
0x5824f275dab2c59b8972a1fda45ff404c9a703e3
Solidity
Token
contract Token { /// @return total amount of tokens function totalSupply() constant returns (uint256 supply); /// @param _owner The address from which the balance will be retrieved /// @return The balance function balanceOf(address _owner) constant returns (uint256 balance); /// @notice send `_value` token to `_to` from `msg.sender` /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transfer(address _to, uint256 _value) returns (bool success); /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from` /// @param _from The address of the sender /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) returns (bool success); /// @notice `msg.sender` approves `_addr` to spend `_value` tokens /// @param _spender The address of the account able to transfer the tokens /// @param _value The amount of wei to be approved for transfer /// @return Whether the approval was successful or not function approve(address _spender, uint256 _value) returns (bool success); /// @param _owner The address of the account owning tokens /// @param _spender The address of the account able to transfer the tokens /// @return Amount of remaining tokens allowed to spent function allowance(address _owner, address _spender) constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); event Burn(address indexed from, uint256 value); }
transferFrom
function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
/// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from` /// @param _from The address of the sender /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not
NatSpecSingleLine
v0.4.18+commit.9cf6e910
bzzr://03157a881cbeb271c2ac473f7a83ac498e77628ebad3e7cf4d521bd02770c22e
{ "func_code_index": [ 938, 1032 ] }
149
EqualToken
EqualToken.sol
0x5824f275dab2c59b8972a1fda45ff404c9a703e3
Solidity
Token
contract Token { /// @return total amount of tokens function totalSupply() constant returns (uint256 supply); /// @param _owner The address from which the balance will be retrieved /// @return The balance function balanceOf(address _owner) constant returns (uint256 balance); /// @notice send `_value` token to `_to` from `msg.sender` /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transfer(address _to, uint256 _value) returns (bool success); /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from` /// @param _from The address of the sender /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) returns (bool success); /// @notice `msg.sender` approves `_addr` to spend `_value` tokens /// @param _spender The address of the account able to transfer the tokens /// @param _value The amount of wei to be approved for transfer /// @return Whether the approval was successful or not function approve(address _spender, uint256 _value) returns (bool success); /// @param _owner The address of the account owning tokens /// @param _spender The address of the account able to transfer the tokens /// @return Amount of remaining tokens allowed to spent function allowance(address _owner, address _spender) constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); event Burn(address indexed from, uint256 value); }
approve
function approve(address _spender, uint256 _value) returns (bool success);
/// @notice `msg.sender` approves `_addr` to spend `_value` tokens /// @param _spender The address of the account able to transfer the tokens /// @param _value The amount of wei to be approved for transfer /// @return Whether the approval was successful or not
NatSpecSingleLine
v0.4.18+commit.9cf6e910
bzzr://03157a881cbeb271c2ac473f7a83ac498e77628ebad3e7cf4d521bd02770c22e
{ "func_code_index": [ 1320, 1399 ] }
150
EqualToken
EqualToken.sol
0x5824f275dab2c59b8972a1fda45ff404c9a703e3
Solidity
Token
contract Token { /// @return total amount of tokens function totalSupply() constant returns (uint256 supply); /// @param _owner The address from which the balance will be retrieved /// @return The balance function balanceOf(address _owner) constant returns (uint256 balance); /// @notice send `_value` token to `_to` from `msg.sender` /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transfer(address _to, uint256 _value) returns (bool success); /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from` /// @param _from The address of the sender /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) returns (bool success); /// @notice `msg.sender` approves `_addr` to spend `_value` tokens /// @param _spender The address of the account able to transfer the tokens /// @param _value The amount of wei to be approved for transfer /// @return Whether the approval was successful or not function approve(address _spender, uint256 _value) returns (bool success); /// @param _owner The address of the account owning tokens /// @param _spender The address of the account able to transfer the tokens /// @return Amount of remaining tokens allowed to spent function allowance(address _owner, address _spender) constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); event Burn(address indexed from, uint256 value); }
allowance
function allowance(address _owner, address _spender) constant returns (uint256 remaining);
/// @param _owner The address of the account owning tokens /// @param _spender The address of the account able to transfer the tokens /// @return Amount of remaining tokens allowed to spent
NatSpecSingleLine
v0.4.18+commit.9cf6e910
bzzr://03157a881cbeb271c2ac473f7a83ac498e77628ebad3e7cf4d521bd02770c22e
{ "func_code_index": [ 1607, 1702 ] }
151
EqualToken
EqualToken.sol
0x5824f275dab2c59b8972a1fda45ff404c9a703e3
Solidity
EqualToken
contract EqualToken is StandardToken { function () { //if ether is sent to this address, send it back. revert(); } /* Public variables of the token */ /* NOTE: The following variables are OPTIONAL vanities. One does not have to include them. They allow one to customise the token contract & in no way influences the core functionality. Some wallets/interfaces might not even bother to look at this information. */ string public name; //fancy name: eg Simon Bucks string public symbol; //An identifier: eg SBX string public version = 'H1.0'; //human 0.1 standard. Just an arbitrary versioning scheme. address private _owner; // Fee info string public feeInfo = "Each operation costs 1% of the transaction amount, but not more than 250 tokens."; function EqualToken() { _totalSupply = 800000000000000000000000000; _owner=msg.sender; balances[msg.sender] =_totalSupply; // Airdrop Allocation allocate(0xeeEb0f191c4E2ee96E1399937a5241fA1E9f9A6e,20); // Airdrop Round One allocate(0x3CF9d0484790a1a24cfb1A51f8BEf39b6F1322d6,20); // Airdrop Round Two allocate(0x64d1832cf8879A903af86E60fF9ed549648B2Bda,5); // Airdrop Round Three // Adoption Allocation allocate(0x0b6cFbc459efF6B12238380AC2A26926896eaFA2,35); // Seed Offerings // Internal Allocation allocate(0xaBf029361BeCB2bE58011AD874C6eAbCD4c84D09,20); // Team maxFee=250; // max fee for transfer name = "EQUAL Token"; // Set the name for display purposes decimals = 18; // Amount of decimals for display purposes symbol = "EQL"; // Set the symbol for display purposes } function allocate(address _address,uint256 percent) private{ uint256 bal=_totalSupply.onePercent().mul(percent); //balances[_address]=bal; withoutFee[_address]=true; doTransfer(msg.sender,_address,bal,0); } function setWithoutFee(address _address,bool _withoutFee) public { require(_owner==msg.sender); withoutFee[_address]=_withoutFee; } /* Approves and then calls the receiving contract */ function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); //call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this. //receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData) //it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead. if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { revert(); } return true; } }
approveAndCall
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); //call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this. //receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData) //it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead. if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { revert(); } return true; }
/* Approves and then calls the receiving contract */
Comment
v0.4.18+commit.9cf6e910
bzzr://03157a881cbeb271c2ac473f7a83ac498e77628ebad3e7cf4d521bd02770c22e
{ "func_code_index": [ 2384, 3192 ] }
152
Crowdsale
Crowdsale.sol
0xedb2675b05d3c89cd2800b8f23567bb77a990fe4
Solidity
Crowdsale
contract Crowdsale { using SafeMath for uint256; // uint256 durationInMinutes; // address where funds are collected address public wallet; // token address address public addressOfTokenUsedAsReward; uint256 public price = 300; uint256 public minBuy; uint256 public maxBuy; token tokenReward; // mapping (address => uint) public contributions; // start and end timestamps where investments are allowed (both inclusive) uint256 public startTime; // uint256 public endTime; // amount of raised money in wei uint256 public weiRaised; /** * event for token purchase logging * @param purchaser who paid for the tokens * @param beneficiary who got the tokens * @param value weis paid for purchase * @param amount amount of tokens purchased */ event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount); function Crowdsale() { //You will change this to your wallet where you need the ETH wallet = 0xc076b054EF62aCCE747175F698FC3Dbec9B7A36F; // durationInMinutes = _durationInMinutes; //Here will come the checksum address we got addressOfTokenUsedAsReward = 0xd62e9252F1615F5c1133F060CF091aCb4b0faa2b; tokenReward = token(addressOfTokenUsedAsReward); } bool public started = false; function startSale(uint256 _delayInMinutes){ if (msg.sender != wallet) throw; startTime = now + _delayInMinutes*1 minutes; started = true; } function stopSale(){ if(msg.sender != wallet) throw; started = false; } function setPrice(uint256 _price){ if(msg.sender != wallet) throw; price = _price; } function setMinBuy(uint256 _minBuy){ if(msg.sender!=wallet) throw; minBuy = _minBuy; } function setMaxBuy(uint256 _maxBuy){ if(msg.sender != wallet) throw; maxBuy = _maxBuy; } function changeWallet(address _wallet){ if(msg.sender != wallet) throw; wallet = _wallet; } function changeTokenReward(address _token){ if(msg.sender!=wallet) throw; tokenReward = token(_token); } // fallback function can be used to buy tokens function () payable { buyTokens(msg.sender); } // low level token purchase function function buyTokens(address beneficiary) payable { require(beneficiary != 0x0); require(validPurchase()); uint256 weiAmount = msg.value; // calculate token amount to be sent uint256 tokens = (weiAmount) * price;//weiamount * price if(minBuy!=0){ if(tokens < minBuy*10**18) throw; } if(maxBuy!=0){ if(tokens > maxBuy*10**18) throw; } // update state weiRaised = weiRaised.add(weiAmount); // if(contributions[msg.sender].add(weiAmount)>10*10**18) throw; // contributions[msg.sender] = contributions[msg.sender].add(weiAmount); tokenReward.transfer(beneficiary, tokens); TokenPurchase(msg.sender, beneficiary, weiAmount, tokens); forwardFunds(); } // send ether to the fund collection wallet // override to create custom fund forwarding mechanisms function forwardFunds() internal { // wallet.transfer(msg.value); if (!wallet.send(msg.value)) { throw; } } // @return true if the transaction can buy tokens function validPurchase() internal constant returns (bool) { bool withinPeriod = started&&(now>=startTime); bool nonZeroPurchase = msg.value != 0; return withinPeriod && nonZeroPurchase; } function withdrawTokens(uint256 _amount) { if(msg.sender!=wallet) throw; tokenReward.transfer(wallet,_amount); } }
function () payable { buyTokens(msg.sender); }
// fallback function can be used to buy tokens
LineComment
v0.4.19+commit.c4cbbb05
bzzr://39bf429bbea86824880515a5e65f781c2fae30581bdaf87b476b674f8148c2fd
{ "func_code_index": [ 2223, 2280 ] }
153
Crowdsale
Crowdsale.sol
0xedb2675b05d3c89cd2800b8f23567bb77a990fe4
Solidity
Crowdsale
contract Crowdsale { using SafeMath for uint256; // uint256 durationInMinutes; // address where funds are collected address public wallet; // token address address public addressOfTokenUsedAsReward; uint256 public price = 300; uint256 public minBuy; uint256 public maxBuy; token tokenReward; // mapping (address => uint) public contributions; // start and end timestamps where investments are allowed (both inclusive) uint256 public startTime; // uint256 public endTime; // amount of raised money in wei uint256 public weiRaised; /** * event for token purchase logging * @param purchaser who paid for the tokens * @param beneficiary who got the tokens * @param value weis paid for purchase * @param amount amount of tokens purchased */ event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount); function Crowdsale() { //You will change this to your wallet where you need the ETH wallet = 0xc076b054EF62aCCE747175F698FC3Dbec9B7A36F; // durationInMinutes = _durationInMinutes; //Here will come the checksum address we got addressOfTokenUsedAsReward = 0xd62e9252F1615F5c1133F060CF091aCb4b0faa2b; tokenReward = token(addressOfTokenUsedAsReward); } bool public started = false; function startSale(uint256 _delayInMinutes){ if (msg.sender != wallet) throw; startTime = now + _delayInMinutes*1 minutes; started = true; } function stopSale(){ if(msg.sender != wallet) throw; started = false; } function setPrice(uint256 _price){ if(msg.sender != wallet) throw; price = _price; } function setMinBuy(uint256 _minBuy){ if(msg.sender!=wallet) throw; minBuy = _minBuy; } function setMaxBuy(uint256 _maxBuy){ if(msg.sender != wallet) throw; maxBuy = _maxBuy; } function changeWallet(address _wallet){ if(msg.sender != wallet) throw; wallet = _wallet; } function changeTokenReward(address _token){ if(msg.sender!=wallet) throw; tokenReward = token(_token); } // fallback function can be used to buy tokens function () payable { buyTokens(msg.sender); } // low level token purchase function function buyTokens(address beneficiary) payable { require(beneficiary != 0x0); require(validPurchase()); uint256 weiAmount = msg.value; // calculate token amount to be sent uint256 tokens = (weiAmount) * price;//weiamount * price if(minBuy!=0){ if(tokens < minBuy*10**18) throw; } if(maxBuy!=0){ if(tokens > maxBuy*10**18) throw; } // update state weiRaised = weiRaised.add(weiAmount); // if(contributions[msg.sender].add(weiAmount)>10*10**18) throw; // contributions[msg.sender] = contributions[msg.sender].add(weiAmount); tokenReward.transfer(beneficiary, tokens); TokenPurchase(msg.sender, beneficiary, weiAmount, tokens); forwardFunds(); } // send ether to the fund collection wallet // override to create custom fund forwarding mechanisms function forwardFunds() internal { // wallet.transfer(msg.value); if (!wallet.send(msg.value)) { throw; } } // @return true if the transaction can buy tokens function validPurchase() internal constant returns (bool) { bool withinPeriod = started&&(now>=startTime); bool nonZeroPurchase = msg.value != 0; return withinPeriod && nonZeroPurchase; } function withdrawTokens(uint256 _amount) { if(msg.sender!=wallet) throw; tokenReward.transfer(wallet,_amount); } }
buyTokens
function buyTokens(address beneficiary) payable { require(beneficiary != 0x0); require(validPurchase()); uint256 weiAmount = msg.value; // calculate token amount to be sent uint256 tokens = (weiAmount) * price;//weiamount * price if(minBuy!=0){ if(tokens < minBuy*10**18) throw; } if(maxBuy!=0){ if(tokens > maxBuy*10**18) throw; } // update state weiRaised = weiRaised.add(weiAmount); // if(contributions[msg.sender].add(weiAmount)>10*10**18) throw; // contributions[msg.sender] = contributions[msg.sender].add(weiAmount); tokenReward.transfer(beneficiary, tokens); TokenPurchase(msg.sender, beneficiary, weiAmount, tokens); forwardFunds(); }
// low level token purchase function
LineComment
v0.4.19+commit.c4cbbb05
bzzr://39bf429bbea86824880515a5e65f781c2fae30581bdaf87b476b674f8148c2fd
{ "func_code_index": [ 2323, 3085 ] }
154
Crowdsale
Crowdsale.sol
0xedb2675b05d3c89cd2800b8f23567bb77a990fe4
Solidity
Crowdsale
contract Crowdsale { using SafeMath for uint256; // uint256 durationInMinutes; // address where funds are collected address public wallet; // token address address public addressOfTokenUsedAsReward; uint256 public price = 300; uint256 public minBuy; uint256 public maxBuy; token tokenReward; // mapping (address => uint) public contributions; // start and end timestamps where investments are allowed (both inclusive) uint256 public startTime; // uint256 public endTime; // amount of raised money in wei uint256 public weiRaised; /** * event for token purchase logging * @param purchaser who paid for the tokens * @param beneficiary who got the tokens * @param value weis paid for purchase * @param amount amount of tokens purchased */ event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount); function Crowdsale() { //You will change this to your wallet where you need the ETH wallet = 0xc076b054EF62aCCE747175F698FC3Dbec9B7A36F; // durationInMinutes = _durationInMinutes; //Here will come the checksum address we got addressOfTokenUsedAsReward = 0xd62e9252F1615F5c1133F060CF091aCb4b0faa2b; tokenReward = token(addressOfTokenUsedAsReward); } bool public started = false; function startSale(uint256 _delayInMinutes){ if (msg.sender != wallet) throw; startTime = now + _delayInMinutes*1 minutes; started = true; } function stopSale(){ if(msg.sender != wallet) throw; started = false; } function setPrice(uint256 _price){ if(msg.sender != wallet) throw; price = _price; } function setMinBuy(uint256 _minBuy){ if(msg.sender!=wallet) throw; minBuy = _minBuy; } function setMaxBuy(uint256 _maxBuy){ if(msg.sender != wallet) throw; maxBuy = _maxBuy; } function changeWallet(address _wallet){ if(msg.sender != wallet) throw; wallet = _wallet; } function changeTokenReward(address _token){ if(msg.sender!=wallet) throw; tokenReward = token(_token); } // fallback function can be used to buy tokens function () payable { buyTokens(msg.sender); } // low level token purchase function function buyTokens(address beneficiary) payable { require(beneficiary != 0x0); require(validPurchase()); uint256 weiAmount = msg.value; // calculate token amount to be sent uint256 tokens = (weiAmount) * price;//weiamount * price if(minBuy!=0){ if(tokens < minBuy*10**18) throw; } if(maxBuy!=0){ if(tokens > maxBuy*10**18) throw; } // update state weiRaised = weiRaised.add(weiAmount); // if(contributions[msg.sender].add(weiAmount)>10*10**18) throw; // contributions[msg.sender] = contributions[msg.sender].add(weiAmount); tokenReward.transfer(beneficiary, tokens); TokenPurchase(msg.sender, beneficiary, weiAmount, tokens); forwardFunds(); } // send ether to the fund collection wallet // override to create custom fund forwarding mechanisms function forwardFunds() internal { // wallet.transfer(msg.value); if (!wallet.send(msg.value)) { throw; } } // @return true if the transaction can buy tokens function validPurchase() internal constant returns (bool) { bool withinPeriod = started&&(now>=startTime); bool nonZeroPurchase = msg.value != 0; return withinPeriod && nonZeroPurchase; } function withdrawTokens(uint256 _amount) { if(msg.sender!=wallet) throw; tokenReward.transfer(wallet,_amount); } }
forwardFunds
function forwardFunds() internal { // wallet.transfer(msg.value); if (!wallet.send(msg.value)) { throw; } }
// send ether to the fund collection wallet // override to create custom fund forwarding mechanisms
LineComment
v0.4.19+commit.c4cbbb05
bzzr://39bf429bbea86824880515a5e65f781c2fae30581bdaf87b476b674f8148c2fd
{ "func_code_index": [ 3194, 3329 ] }
155
Crowdsale
Crowdsale.sol
0xedb2675b05d3c89cd2800b8f23567bb77a990fe4
Solidity
Crowdsale
contract Crowdsale { using SafeMath for uint256; // uint256 durationInMinutes; // address where funds are collected address public wallet; // token address address public addressOfTokenUsedAsReward; uint256 public price = 300; uint256 public minBuy; uint256 public maxBuy; token tokenReward; // mapping (address => uint) public contributions; // start and end timestamps where investments are allowed (both inclusive) uint256 public startTime; // uint256 public endTime; // amount of raised money in wei uint256 public weiRaised; /** * event for token purchase logging * @param purchaser who paid for the tokens * @param beneficiary who got the tokens * @param value weis paid for purchase * @param amount amount of tokens purchased */ event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount); function Crowdsale() { //You will change this to your wallet where you need the ETH wallet = 0xc076b054EF62aCCE747175F698FC3Dbec9B7A36F; // durationInMinutes = _durationInMinutes; //Here will come the checksum address we got addressOfTokenUsedAsReward = 0xd62e9252F1615F5c1133F060CF091aCb4b0faa2b; tokenReward = token(addressOfTokenUsedAsReward); } bool public started = false; function startSale(uint256 _delayInMinutes){ if (msg.sender != wallet) throw; startTime = now + _delayInMinutes*1 minutes; started = true; } function stopSale(){ if(msg.sender != wallet) throw; started = false; } function setPrice(uint256 _price){ if(msg.sender != wallet) throw; price = _price; } function setMinBuy(uint256 _minBuy){ if(msg.sender!=wallet) throw; minBuy = _minBuy; } function setMaxBuy(uint256 _maxBuy){ if(msg.sender != wallet) throw; maxBuy = _maxBuy; } function changeWallet(address _wallet){ if(msg.sender != wallet) throw; wallet = _wallet; } function changeTokenReward(address _token){ if(msg.sender!=wallet) throw; tokenReward = token(_token); } // fallback function can be used to buy tokens function () payable { buyTokens(msg.sender); } // low level token purchase function function buyTokens(address beneficiary) payable { require(beneficiary != 0x0); require(validPurchase()); uint256 weiAmount = msg.value; // calculate token amount to be sent uint256 tokens = (weiAmount) * price;//weiamount * price if(minBuy!=0){ if(tokens < minBuy*10**18) throw; } if(maxBuy!=0){ if(tokens > maxBuy*10**18) throw; } // update state weiRaised = weiRaised.add(weiAmount); // if(contributions[msg.sender].add(weiAmount)>10*10**18) throw; // contributions[msg.sender] = contributions[msg.sender].add(weiAmount); tokenReward.transfer(beneficiary, tokens); TokenPurchase(msg.sender, beneficiary, weiAmount, tokens); forwardFunds(); } // send ether to the fund collection wallet // override to create custom fund forwarding mechanisms function forwardFunds() internal { // wallet.transfer(msg.value); if (!wallet.send(msg.value)) { throw; } } // @return true if the transaction can buy tokens function validPurchase() internal constant returns (bool) { bool withinPeriod = started&&(now>=startTime); bool nonZeroPurchase = msg.value != 0; return withinPeriod && nonZeroPurchase; } function withdrawTokens(uint256 _amount) { if(msg.sender!=wallet) throw; tokenReward.transfer(wallet,_amount); } }
validPurchase
function validPurchase() internal constant returns (bool) { bool withinPeriod = started&&(now>=startTime); bool nonZeroPurchase = msg.value != 0; return withinPeriod && nonZeroPurchase; }
// @return true if the transaction can buy tokens
LineComment
v0.4.19+commit.c4cbbb05
bzzr://39bf429bbea86824880515a5e65f781c2fae30581bdaf87b476b674f8148c2fd
{ "func_code_index": [ 3385, 3593 ] }
156
CFolioFarm
contracts/src/investment/CFolioFarm.sol
0xb18104e050f1e8e828dd2b0260f7feb1c2178752
Solidity
CFolioFarm
contract CFolioFarm is IFarm, ICFolioFarm, Ownable, ERC20Recovery { using SafeMath for uint256; using SafeERC20 for IERC20; ////////////////////////////////////////////////////////////////////////////// // State ////////////////////////////////////////////////////////////////////////////// uint256 public override periodFinish = 0; uint256 public rewardRate = 0; uint256 public rewardsDuration = 14 days; uint256 public lastUpdateTime; uint256 public rewardPerTokenStored; uint256 private availableRewards; mapping(address => uint256) public userRewardPerTokenPaid; mapping(address => uint256) public rewards; // Unique name of this farm instance, used in controller string private _farmName; uint256 private _totalSupply; mapping(address => uint256) private _balances; // The address of the controller IController public override controller; ////////////////////////////////////////////////////////////////////////////// // Events ////////////////////////////////////////////////////////////////////////////// event RewardAdded(uint256 reward); event AssetAdded(address indexed user, uint256 amount, uint256 totalAmount); event AssetRemoved(address indexed user, uint256 amount, uint256 totalAmount); event ShareAdded(address indexed user, uint256 amount); event ShareRemoved(address indexed user, uint256 amount); event RewardPaid( address indexed account, address indexed user, uint256 reward ); event RewardsDurationUpdated(uint256 newDuration); event ControllerChanged(address newController); ////////////////////////////////////////////////////////////////////////////// // Modifiers ////////////////////////////////////////////////////////////////////////////// modifier onlyController { require(_msgSender() == address(controller), 'not controller'); _; } modifier updateReward(address account) { rewardPerTokenStored = rewardPerToken(); lastUpdateTime = lastTimeRewardApplicable(); if (account != address(0)) { rewards[account] = earned(account); userRewardPerTokenPaid[account] = rewardPerTokenStored; } _; } ////////////////////////////////////////////////////////////////////////////// // Initialization ////////////////////////////////////////////////////////////////////////////// constructor( address _owner, string memory _name, address _controller ) { // Validate parameters require(_owner != address(0), 'Invalid owner'); require(_controller != address(0), 'Invalid controller'); // Initialize {Ownable} transferOwnership(_owner); // Initialize state _farmName = _name; controller = IController(_controller); } ////////////////////////////////////////////////////////////////////////////// // Views ////////////////////////////////////////////////////////////////////////////// function farmName() external view override returns (string memory) { return _farmName; } function totalSupply() external view returns (uint256) { return _totalSupply; } function balanceOf(address account) external view override returns (uint256) { return _balances[account]; } function lastTimeRewardApplicable() public view returns (uint256) { // solhint-disable-next-line not-rely-on-time return block.timestamp < periodFinish ? block.timestamp : periodFinish; } function rewardPerToken() public view returns (uint256) { if (_totalSupply == 0) { return rewardPerTokenStored; } return rewardPerTokenStored.add( lastTimeRewardApplicable() .sub(lastUpdateTime) .mul(rewardRate) .mul(1e18) .div(_totalSupply) ); } function earned(address account) public view returns (uint256) { return _balances[account] .mul(rewardPerToken().sub(userRewardPerTokenPaid[account])) .div(1e18) .add(rewards[account]); } function getRewardForDuration() external view returns (uint256) { return rewardRate.mul(rewardsDuration); } function getUIData(address account) external view override returns (uint256[5] memory) { uint256[5] memory result = [ _totalSupply, _balances[account], rewardsDuration, rewardRate.mul(rewardsDuration), earned(account) ]; return result; } ////////////////////////////////////////////////////////////////////////////// // Mutators ////////////////////////////////////////////////////////////////////////////// function addAssets(address account, uint256 amount) external override onlyOwner { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot add 0'); // Update state _balances[account] = _balances[account].add(amount); // Dispatch event emit AssetAdded(account, amount, _balances[account]); } function removeAssets(address account, uint256 amount) external override onlyOwner { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot remove 0'); // Update state _balances[account] = _balances[account].sub(amount); // Dispatch event emit AssetRemoved(account, amount, _balances[account]); } function addShares(address account, uint256 amount) external override onlyOwner updateReward(account) { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot add 0'); // Update state _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); // Notify controller controller.onDeposit(amount); // Dispatch event emit ShareAdded(account, amount); } function removeShares(address account, uint256 amount) public override onlyOwner updateReward(account) { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot remove 0'); // Update state _totalSupply = _totalSupply.sub(amount); _balances[account] = _balances[account].sub(amount); // Notify controller controller.onWithdraw(amount); // Dispatch event emit ShareRemoved(account, amount); } function getReward(address account, address rewardRecipient) public override onlyOwner updateReward(account) { // Load state uint256 reward = rewards[account]; if (reward > 0) { // Update state rewards[account] = 0; availableRewards = availableRewards.sub(reward); // Notify controller controller.payOutRewards(rewardRecipient, reward); // Dispatch event emit RewardPaid(account, rewardRecipient, reward); } } function exit(address account, address rewardRecipient) external override onlyOwner { removeShares(account, _balances[account]); getReward(account, rewardRecipient); } ////////////////////////////////////////////////////////////////////////////// // Restricted functions ////////////////////////////////////////////////////////////////////////////// function setController(address newController) external override onlyController { // Update state controller = IController(newController); // Dispatch event emit ControllerChanged(newController); } function notifyRewardAmount(uint256 reward) external override onlyController updateReward(address(0)) { // Update state // solhint-disable-next-line not-rely-on-time if (block.timestamp >= periodFinish) { rewardRate = reward.div(rewardsDuration); } else { // solhint-disable-next-line not-rely-on-time uint256 remaining = periodFinish.sub(block.timestamp); uint256 leftover = remaining.mul(rewardRate); rewardRate = reward.add(leftover).div(rewardsDuration); } availableRewards = availableRewards.add(reward); // Validate state // // Ensure the provided reward amount is not more than the balance in the // contract. // // This keeps the reward rate in the right range, preventing overflows due // to very high values of rewardRate in the earned and rewardsPerToken // functions. // // Reward + leftover must be less than 2^256 / 10^18 to avoid overflow. // require( rewardRate <= availableRewards.div(rewardsDuration), 'Provided reward too high' ); // Update state // solhint-disable-next-line not-rely-on-time lastUpdateTime = block.timestamp; // solhint-disable-next-line not-rely-on-time periodFinish = block.timestamp.add(rewardsDuration); // Dispatch event emit RewardAdded(reward); } /** * @dev We don't have any rebalancing here */ // solhint-disable-next-line no-empty-blocks function rebalance() external override onlyController {} /** * @dev Added to support recovering LP Rewards from other systems to be * distributed to holders */ function recoverERC20( address recipient, address tokenAddress, uint256 tokenAmount ) external onlyController { // Call ancestor _recoverERC20(recipient, tokenAddress, tokenAmount); } function setRewardsDuration(uint256 _rewardsDuration) external override onlyController { // Validate state require( // solhint-disable-next-line not-rely-on-time periodFinish == 0 || block.timestamp > periodFinish, 'Reward period not finished' ); // Update state rewardsDuration = _rewardsDuration; // Dispatch event emit RewardsDurationUpdated(rewardsDuration); } }
/** * @notice Farm is owned by a CFolio contract. * * All state modifing calls are only allowed from this owner. */
NatSpecMultiLine
farmName
function farmName() external view override returns (string memory) { return _farmName; }
//////////////////////////////////////////////////////////////////////////////
NatSpecSingleLine
v0.7.4+commit.3f05b770
Apache-2.0
{ "func_code_index": [ 2914, 3010 ] }
157
CFolioFarm
contracts/src/investment/CFolioFarm.sol
0xb18104e050f1e8e828dd2b0260f7feb1c2178752
Solidity
CFolioFarm
contract CFolioFarm is IFarm, ICFolioFarm, Ownable, ERC20Recovery { using SafeMath for uint256; using SafeERC20 for IERC20; ////////////////////////////////////////////////////////////////////////////// // State ////////////////////////////////////////////////////////////////////////////// uint256 public override periodFinish = 0; uint256 public rewardRate = 0; uint256 public rewardsDuration = 14 days; uint256 public lastUpdateTime; uint256 public rewardPerTokenStored; uint256 private availableRewards; mapping(address => uint256) public userRewardPerTokenPaid; mapping(address => uint256) public rewards; // Unique name of this farm instance, used in controller string private _farmName; uint256 private _totalSupply; mapping(address => uint256) private _balances; // The address of the controller IController public override controller; ////////////////////////////////////////////////////////////////////////////// // Events ////////////////////////////////////////////////////////////////////////////// event RewardAdded(uint256 reward); event AssetAdded(address indexed user, uint256 amount, uint256 totalAmount); event AssetRemoved(address indexed user, uint256 amount, uint256 totalAmount); event ShareAdded(address indexed user, uint256 amount); event ShareRemoved(address indexed user, uint256 amount); event RewardPaid( address indexed account, address indexed user, uint256 reward ); event RewardsDurationUpdated(uint256 newDuration); event ControllerChanged(address newController); ////////////////////////////////////////////////////////////////////////////// // Modifiers ////////////////////////////////////////////////////////////////////////////// modifier onlyController { require(_msgSender() == address(controller), 'not controller'); _; } modifier updateReward(address account) { rewardPerTokenStored = rewardPerToken(); lastUpdateTime = lastTimeRewardApplicable(); if (account != address(0)) { rewards[account] = earned(account); userRewardPerTokenPaid[account] = rewardPerTokenStored; } _; } ////////////////////////////////////////////////////////////////////////////// // Initialization ////////////////////////////////////////////////////////////////////////////// constructor( address _owner, string memory _name, address _controller ) { // Validate parameters require(_owner != address(0), 'Invalid owner'); require(_controller != address(0), 'Invalid controller'); // Initialize {Ownable} transferOwnership(_owner); // Initialize state _farmName = _name; controller = IController(_controller); } ////////////////////////////////////////////////////////////////////////////// // Views ////////////////////////////////////////////////////////////////////////////// function farmName() external view override returns (string memory) { return _farmName; } function totalSupply() external view returns (uint256) { return _totalSupply; } function balanceOf(address account) external view override returns (uint256) { return _balances[account]; } function lastTimeRewardApplicable() public view returns (uint256) { // solhint-disable-next-line not-rely-on-time return block.timestamp < periodFinish ? block.timestamp : periodFinish; } function rewardPerToken() public view returns (uint256) { if (_totalSupply == 0) { return rewardPerTokenStored; } return rewardPerTokenStored.add( lastTimeRewardApplicable() .sub(lastUpdateTime) .mul(rewardRate) .mul(1e18) .div(_totalSupply) ); } function earned(address account) public view returns (uint256) { return _balances[account] .mul(rewardPerToken().sub(userRewardPerTokenPaid[account])) .div(1e18) .add(rewards[account]); } function getRewardForDuration() external view returns (uint256) { return rewardRate.mul(rewardsDuration); } function getUIData(address account) external view override returns (uint256[5] memory) { uint256[5] memory result = [ _totalSupply, _balances[account], rewardsDuration, rewardRate.mul(rewardsDuration), earned(account) ]; return result; } ////////////////////////////////////////////////////////////////////////////// // Mutators ////////////////////////////////////////////////////////////////////////////// function addAssets(address account, uint256 amount) external override onlyOwner { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot add 0'); // Update state _balances[account] = _balances[account].add(amount); // Dispatch event emit AssetAdded(account, amount, _balances[account]); } function removeAssets(address account, uint256 amount) external override onlyOwner { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot remove 0'); // Update state _balances[account] = _balances[account].sub(amount); // Dispatch event emit AssetRemoved(account, amount, _balances[account]); } function addShares(address account, uint256 amount) external override onlyOwner updateReward(account) { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot add 0'); // Update state _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); // Notify controller controller.onDeposit(amount); // Dispatch event emit ShareAdded(account, amount); } function removeShares(address account, uint256 amount) public override onlyOwner updateReward(account) { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot remove 0'); // Update state _totalSupply = _totalSupply.sub(amount); _balances[account] = _balances[account].sub(amount); // Notify controller controller.onWithdraw(amount); // Dispatch event emit ShareRemoved(account, amount); } function getReward(address account, address rewardRecipient) public override onlyOwner updateReward(account) { // Load state uint256 reward = rewards[account]; if (reward > 0) { // Update state rewards[account] = 0; availableRewards = availableRewards.sub(reward); // Notify controller controller.payOutRewards(rewardRecipient, reward); // Dispatch event emit RewardPaid(account, rewardRecipient, reward); } } function exit(address account, address rewardRecipient) external override onlyOwner { removeShares(account, _balances[account]); getReward(account, rewardRecipient); } ////////////////////////////////////////////////////////////////////////////// // Restricted functions ////////////////////////////////////////////////////////////////////////////// function setController(address newController) external override onlyController { // Update state controller = IController(newController); // Dispatch event emit ControllerChanged(newController); } function notifyRewardAmount(uint256 reward) external override onlyController updateReward(address(0)) { // Update state // solhint-disable-next-line not-rely-on-time if (block.timestamp >= periodFinish) { rewardRate = reward.div(rewardsDuration); } else { // solhint-disable-next-line not-rely-on-time uint256 remaining = periodFinish.sub(block.timestamp); uint256 leftover = remaining.mul(rewardRate); rewardRate = reward.add(leftover).div(rewardsDuration); } availableRewards = availableRewards.add(reward); // Validate state // // Ensure the provided reward amount is not more than the balance in the // contract. // // This keeps the reward rate in the right range, preventing overflows due // to very high values of rewardRate in the earned and rewardsPerToken // functions. // // Reward + leftover must be less than 2^256 / 10^18 to avoid overflow. // require( rewardRate <= availableRewards.div(rewardsDuration), 'Provided reward too high' ); // Update state // solhint-disable-next-line not-rely-on-time lastUpdateTime = block.timestamp; // solhint-disable-next-line not-rely-on-time periodFinish = block.timestamp.add(rewardsDuration); // Dispatch event emit RewardAdded(reward); } /** * @dev We don't have any rebalancing here */ // solhint-disable-next-line no-empty-blocks function rebalance() external override onlyController {} /** * @dev Added to support recovering LP Rewards from other systems to be * distributed to holders */ function recoverERC20( address recipient, address tokenAddress, uint256 tokenAmount ) external onlyController { // Call ancestor _recoverERC20(recipient, tokenAddress, tokenAmount); } function setRewardsDuration(uint256 _rewardsDuration) external override onlyController { // Validate state require( // solhint-disable-next-line not-rely-on-time periodFinish == 0 || block.timestamp > periodFinish, 'Reward period not finished' ); // Update state rewardsDuration = _rewardsDuration; // Dispatch event emit RewardsDurationUpdated(rewardsDuration); } }
/** * @notice Farm is owned by a CFolio contract. * * All state modifing calls are only allowed from this owner. */
NatSpecMultiLine
addAssets
function addAssets(address account, uint256 amount) external override onlyOwner { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot add 0'); // Update state _balances[account] = _balances[account].add(amount); // Dispatch event emit AssetAdded(account, amount, _balances[account]); }
//////////////////////////////////////////////////////////////////////////////
NatSpecSingleLine
v0.7.4+commit.3f05b770
Apache-2.0
{ "func_code_index": [ 4592, 4932 ] }
158
CFolioFarm
contracts/src/investment/CFolioFarm.sol
0xb18104e050f1e8e828dd2b0260f7feb1c2178752
Solidity
CFolioFarm
contract CFolioFarm is IFarm, ICFolioFarm, Ownable, ERC20Recovery { using SafeMath for uint256; using SafeERC20 for IERC20; ////////////////////////////////////////////////////////////////////////////// // State ////////////////////////////////////////////////////////////////////////////// uint256 public override periodFinish = 0; uint256 public rewardRate = 0; uint256 public rewardsDuration = 14 days; uint256 public lastUpdateTime; uint256 public rewardPerTokenStored; uint256 private availableRewards; mapping(address => uint256) public userRewardPerTokenPaid; mapping(address => uint256) public rewards; // Unique name of this farm instance, used in controller string private _farmName; uint256 private _totalSupply; mapping(address => uint256) private _balances; // The address of the controller IController public override controller; ////////////////////////////////////////////////////////////////////////////// // Events ////////////////////////////////////////////////////////////////////////////// event RewardAdded(uint256 reward); event AssetAdded(address indexed user, uint256 amount, uint256 totalAmount); event AssetRemoved(address indexed user, uint256 amount, uint256 totalAmount); event ShareAdded(address indexed user, uint256 amount); event ShareRemoved(address indexed user, uint256 amount); event RewardPaid( address indexed account, address indexed user, uint256 reward ); event RewardsDurationUpdated(uint256 newDuration); event ControllerChanged(address newController); ////////////////////////////////////////////////////////////////////////////// // Modifiers ////////////////////////////////////////////////////////////////////////////// modifier onlyController { require(_msgSender() == address(controller), 'not controller'); _; } modifier updateReward(address account) { rewardPerTokenStored = rewardPerToken(); lastUpdateTime = lastTimeRewardApplicable(); if (account != address(0)) { rewards[account] = earned(account); userRewardPerTokenPaid[account] = rewardPerTokenStored; } _; } ////////////////////////////////////////////////////////////////////////////// // Initialization ////////////////////////////////////////////////////////////////////////////// constructor( address _owner, string memory _name, address _controller ) { // Validate parameters require(_owner != address(0), 'Invalid owner'); require(_controller != address(0), 'Invalid controller'); // Initialize {Ownable} transferOwnership(_owner); // Initialize state _farmName = _name; controller = IController(_controller); } ////////////////////////////////////////////////////////////////////////////// // Views ////////////////////////////////////////////////////////////////////////////// function farmName() external view override returns (string memory) { return _farmName; } function totalSupply() external view returns (uint256) { return _totalSupply; } function balanceOf(address account) external view override returns (uint256) { return _balances[account]; } function lastTimeRewardApplicable() public view returns (uint256) { // solhint-disable-next-line not-rely-on-time return block.timestamp < periodFinish ? block.timestamp : periodFinish; } function rewardPerToken() public view returns (uint256) { if (_totalSupply == 0) { return rewardPerTokenStored; } return rewardPerTokenStored.add( lastTimeRewardApplicable() .sub(lastUpdateTime) .mul(rewardRate) .mul(1e18) .div(_totalSupply) ); } function earned(address account) public view returns (uint256) { return _balances[account] .mul(rewardPerToken().sub(userRewardPerTokenPaid[account])) .div(1e18) .add(rewards[account]); } function getRewardForDuration() external view returns (uint256) { return rewardRate.mul(rewardsDuration); } function getUIData(address account) external view override returns (uint256[5] memory) { uint256[5] memory result = [ _totalSupply, _balances[account], rewardsDuration, rewardRate.mul(rewardsDuration), earned(account) ]; return result; } ////////////////////////////////////////////////////////////////////////////// // Mutators ////////////////////////////////////////////////////////////////////////////// function addAssets(address account, uint256 amount) external override onlyOwner { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot add 0'); // Update state _balances[account] = _balances[account].add(amount); // Dispatch event emit AssetAdded(account, amount, _balances[account]); } function removeAssets(address account, uint256 amount) external override onlyOwner { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot remove 0'); // Update state _balances[account] = _balances[account].sub(amount); // Dispatch event emit AssetRemoved(account, amount, _balances[account]); } function addShares(address account, uint256 amount) external override onlyOwner updateReward(account) { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot add 0'); // Update state _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); // Notify controller controller.onDeposit(amount); // Dispatch event emit ShareAdded(account, amount); } function removeShares(address account, uint256 amount) public override onlyOwner updateReward(account) { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot remove 0'); // Update state _totalSupply = _totalSupply.sub(amount); _balances[account] = _balances[account].sub(amount); // Notify controller controller.onWithdraw(amount); // Dispatch event emit ShareRemoved(account, amount); } function getReward(address account, address rewardRecipient) public override onlyOwner updateReward(account) { // Load state uint256 reward = rewards[account]; if (reward > 0) { // Update state rewards[account] = 0; availableRewards = availableRewards.sub(reward); // Notify controller controller.payOutRewards(rewardRecipient, reward); // Dispatch event emit RewardPaid(account, rewardRecipient, reward); } } function exit(address account, address rewardRecipient) external override onlyOwner { removeShares(account, _balances[account]); getReward(account, rewardRecipient); } ////////////////////////////////////////////////////////////////////////////// // Restricted functions ////////////////////////////////////////////////////////////////////////////// function setController(address newController) external override onlyController { // Update state controller = IController(newController); // Dispatch event emit ControllerChanged(newController); } function notifyRewardAmount(uint256 reward) external override onlyController updateReward(address(0)) { // Update state // solhint-disable-next-line not-rely-on-time if (block.timestamp >= periodFinish) { rewardRate = reward.div(rewardsDuration); } else { // solhint-disable-next-line not-rely-on-time uint256 remaining = periodFinish.sub(block.timestamp); uint256 leftover = remaining.mul(rewardRate); rewardRate = reward.add(leftover).div(rewardsDuration); } availableRewards = availableRewards.add(reward); // Validate state // // Ensure the provided reward amount is not more than the balance in the // contract. // // This keeps the reward rate in the right range, preventing overflows due // to very high values of rewardRate in the earned and rewardsPerToken // functions. // // Reward + leftover must be less than 2^256 / 10^18 to avoid overflow. // require( rewardRate <= availableRewards.div(rewardsDuration), 'Provided reward too high' ); // Update state // solhint-disable-next-line not-rely-on-time lastUpdateTime = block.timestamp; // solhint-disable-next-line not-rely-on-time periodFinish = block.timestamp.add(rewardsDuration); // Dispatch event emit RewardAdded(reward); } /** * @dev We don't have any rebalancing here */ // solhint-disable-next-line no-empty-blocks function rebalance() external override onlyController {} /** * @dev Added to support recovering LP Rewards from other systems to be * distributed to holders */ function recoverERC20( address recipient, address tokenAddress, uint256 tokenAmount ) external onlyController { // Call ancestor _recoverERC20(recipient, tokenAddress, tokenAmount); } function setRewardsDuration(uint256 _rewardsDuration) external override onlyController { // Validate state require( // solhint-disable-next-line not-rely-on-time periodFinish == 0 || block.timestamp > periodFinish, 'Reward period not finished' ); // Update state rewardsDuration = _rewardsDuration; // Dispatch event emit RewardsDurationUpdated(rewardsDuration); } }
/** * @notice Farm is owned by a CFolio contract. * * All state modifing calls are only allowed from this owner. */
NatSpecMultiLine
setController
function setController(address newController) external override onlyController { // Update state controller = IController(newController); // Dispatch event emit ControllerChanged(newController); }
//////////////////////////////////////////////////////////////////////////////
NatSpecSingleLine
v0.7.4+commit.3f05b770
Apache-2.0
{ "func_code_index": [ 7075, 7306 ] }
159
CFolioFarm
contracts/src/investment/CFolioFarm.sol
0xb18104e050f1e8e828dd2b0260f7feb1c2178752
Solidity
CFolioFarm
contract CFolioFarm is IFarm, ICFolioFarm, Ownable, ERC20Recovery { using SafeMath for uint256; using SafeERC20 for IERC20; ////////////////////////////////////////////////////////////////////////////// // State ////////////////////////////////////////////////////////////////////////////// uint256 public override periodFinish = 0; uint256 public rewardRate = 0; uint256 public rewardsDuration = 14 days; uint256 public lastUpdateTime; uint256 public rewardPerTokenStored; uint256 private availableRewards; mapping(address => uint256) public userRewardPerTokenPaid; mapping(address => uint256) public rewards; // Unique name of this farm instance, used in controller string private _farmName; uint256 private _totalSupply; mapping(address => uint256) private _balances; // The address of the controller IController public override controller; ////////////////////////////////////////////////////////////////////////////// // Events ////////////////////////////////////////////////////////////////////////////// event RewardAdded(uint256 reward); event AssetAdded(address indexed user, uint256 amount, uint256 totalAmount); event AssetRemoved(address indexed user, uint256 amount, uint256 totalAmount); event ShareAdded(address indexed user, uint256 amount); event ShareRemoved(address indexed user, uint256 amount); event RewardPaid( address indexed account, address indexed user, uint256 reward ); event RewardsDurationUpdated(uint256 newDuration); event ControllerChanged(address newController); ////////////////////////////////////////////////////////////////////////////// // Modifiers ////////////////////////////////////////////////////////////////////////////// modifier onlyController { require(_msgSender() == address(controller), 'not controller'); _; } modifier updateReward(address account) { rewardPerTokenStored = rewardPerToken(); lastUpdateTime = lastTimeRewardApplicable(); if (account != address(0)) { rewards[account] = earned(account); userRewardPerTokenPaid[account] = rewardPerTokenStored; } _; } ////////////////////////////////////////////////////////////////////////////// // Initialization ////////////////////////////////////////////////////////////////////////////// constructor( address _owner, string memory _name, address _controller ) { // Validate parameters require(_owner != address(0), 'Invalid owner'); require(_controller != address(0), 'Invalid controller'); // Initialize {Ownable} transferOwnership(_owner); // Initialize state _farmName = _name; controller = IController(_controller); } ////////////////////////////////////////////////////////////////////////////// // Views ////////////////////////////////////////////////////////////////////////////// function farmName() external view override returns (string memory) { return _farmName; } function totalSupply() external view returns (uint256) { return _totalSupply; } function balanceOf(address account) external view override returns (uint256) { return _balances[account]; } function lastTimeRewardApplicable() public view returns (uint256) { // solhint-disable-next-line not-rely-on-time return block.timestamp < periodFinish ? block.timestamp : periodFinish; } function rewardPerToken() public view returns (uint256) { if (_totalSupply == 0) { return rewardPerTokenStored; } return rewardPerTokenStored.add( lastTimeRewardApplicable() .sub(lastUpdateTime) .mul(rewardRate) .mul(1e18) .div(_totalSupply) ); } function earned(address account) public view returns (uint256) { return _balances[account] .mul(rewardPerToken().sub(userRewardPerTokenPaid[account])) .div(1e18) .add(rewards[account]); } function getRewardForDuration() external view returns (uint256) { return rewardRate.mul(rewardsDuration); } function getUIData(address account) external view override returns (uint256[5] memory) { uint256[5] memory result = [ _totalSupply, _balances[account], rewardsDuration, rewardRate.mul(rewardsDuration), earned(account) ]; return result; } ////////////////////////////////////////////////////////////////////////////// // Mutators ////////////////////////////////////////////////////////////////////////////// function addAssets(address account, uint256 amount) external override onlyOwner { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot add 0'); // Update state _balances[account] = _balances[account].add(amount); // Dispatch event emit AssetAdded(account, amount, _balances[account]); } function removeAssets(address account, uint256 amount) external override onlyOwner { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot remove 0'); // Update state _balances[account] = _balances[account].sub(amount); // Dispatch event emit AssetRemoved(account, amount, _balances[account]); } function addShares(address account, uint256 amount) external override onlyOwner updateReward(account) { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot add 0'); // Update state _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); // Notify controller controller.onDeposit(amount); // Dispatch event emit ShareAdded(account, amount); } function removeShares(address account, uint256 amount) public override onlyOwner updateReward(account) { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot remove 0'); // Update state _totalSupply = _totalSupply.sub(amount); _balances[account] = _balances[account].sub(amount); // Notify controller controller.onWithdraw(amount); // Dispatch event emit ShareRemoved(account, amount); } function getReward(address account, address rewardRecipient) public override onlyOwner updateReward(account) { // Load state uint256 reward = rewards[account]; if (reward > 0) { // Update state rewards[account] = 0; availableRewards = availableRewards.sub(reward); // Notify controller controller.payOutRewards(rewardRecipient, reward); // Dispatch event emit RewardPaid(account, rewardRecipient, reward); } } function exit(address account, address rewardRecipient) external override onlyOwner { removeShares(account, _balances[account]); getReward(account, rewardRecipient); } ////////////////////////////////////////////////////////////////////////////// // Restricted functions ////////////////////////////////////////////////////////////////////////////// function setController(address newController) external override onlyController { // Update state controller = IController(newController); // Dispatch event emit ControllerChanged(newController); } function notifyRewardAmount(uint256 reward) external override onlyController updateReward(address(0)) { // Update state // solhint-disable-next-line not-rely-on-time if (block.timestamp >= periodFinish) { rewardRate = reward.div(rewardsDuration); } else { // solhint-disable-next-line not-rely-on-time uint256 remaining = periodFinish.sub(block.timestamp); uint256 leftover = remaining.mul(rewardRate); rewardRate = reward.add(leftover).div(rewardsDuration); } availableRewards = availableRewards.add(reward); // Validate state // // Ensure the provided reward amount is not more than the balance in the // contract. // // This keeps the reward rate in the right range, preventing overflows due // to very high values of rewardRate in the earned and rewardsPerToken // functions. // // Reward + leftover must be less than 2^256 / 10^18 to avoid overflow. // require( rewardRate <= availableRewards.div(rewardsDuration), 'Provided reward too high' ); // Update state // solhint-disable-next-line not-rely-on-time lastUpdateTime = block.timestamp; // solhint-disable-next-line not-rely-on-time periodFinish = block.timestamp.add(rewardsDuration); // Dispatch event emit RewardAdded(reward); } /** * @dev We don't have any rebalancing here */ // solhint-disable-next-line no-empty-blocks function rebalance() external override onlyController {} /** * @dev Added to support recovering LP Rewards from other systems to be * distributed to holders */ function recoverERC20( address recipient, address tokenAddress, uint256 tokenAmount ) external onlyController { // Call ancestor _recoverERC20(recipient, tokenAddress, tokenAmount); } function setRewardsDuration(uint256 _rewardsDuration) external override onlyController { // Validate state require( // solhint-disable-next-line not-rely-on-time periodFinish == 0 || block.timestamp > periodFinish, 'Reward period not finished' ); // Update state rewardsDuration = _rewardsDuration; // Dispatch event emit RewardsDurationUpdated(rewardsDuration); } }
/** * @notice Farm is owned by a CFolio contract. * * All state modifing calls are only allowed from this owner. */
NatSpecMultiLine
rebalance
function rebalance() external override onlyController {}
// solhint-disable-next-line no-empty-blocks
LineComment
v0.7.4+commit.3f05b770
Apache-2.0
{ "func_code_index": [ 8775, 8833 ] }
160
CFolioFarm
contracts/src/investment/CFolioFarm.sol
0xb18104e050f1e8e828dd2b0260f7feb1c2178752
Solidity
CFolioFarm
contract CFolioFarm is IFarm, ICFolioFarm, Ownable, ERC20Recovery { using SafeMath for uint256; using SafeERC20 for IERC20; ////////////////////////////////////////////////////////////////////////////// // State ////////////////////////////////////////////////////////////////////////////// uint256 public override periodFinish = 0; uint256 public rewardRate = 0; uint256 public rewardsDuration = 14 days; uint256 public lastUpdateTime; uint256 public rewardPerTokenStored; uint256 private availableRewards; mapping(address => uint256) public userRewardPerTokenPaid; mapping(address => uint256) public rewards; // Unique name of this farm instance, used in controller string private _farmName; uint256 private _totalSupply; mapping(address => uint256) private _balances; // The address of the controller IController public override controller; ////////////////////////////////////////////////////////////////////////////// // Events ////////////////////////////////////////////////////////////////////////////// event RewardAdded(uint256 reward); event AssetAdded(address indexed user, uint256 amount, uint256 totalAmount); event AssetRemoved(address indexed user, uint256 amount, uint256 totalAmount); event ShareAdded(address indexed user, uint256 amount); event ShareRemoved(address indexed user, uint256 amount); event RewardPaid( address indexed account, address indexed user, uint256 reward ); event RewardsDurationUpdated(uint256 newDuration); event ControllerChanged(address newController); ////////////////////////////////////////////////////////////////////////////// // Modifiers ////////////////////////////////////////////////////////////////////////////// modifier onlyController { require(_msgSender() == address(controller), 'not controller'); _; } modifier updateReward(address account) { rewardPerTokenStored = rewardPerToken(); lastUpdateTime = lastTimeRewardApplicable(); if (account != address(0)) { rewards[account] = earned(account); userRewardPerTokenPaid[account] = rewardPerTokenStored; } _; } ////////////////////////////////////////////////////////////////////////////// // Initialization ////////////////////////////////////////////////////////////////////////////// constructor( address _owner, string memory _name, address _controller ) { // Validate parameters require(_owner != address(0), 'Invalid owner'); require(_controller != address(0), 'Invalid controller'); // Initialize {Ownable} transferOwnership(_owner); // Initialize state _farmName = _name; controller = IController(_controller); } ////////////////////////////////////////////////////////////////////////////// // Views ////////////////////////////////////////////////////////////////////////////// function farmName() external view override returns (string memory) { return _farmName; } function totalSupply() external view returns (uint256) { return _totalSupply; } function balanceOf(address account) external view override returns (uint256) { return _balances[account]; } function lastTimeRewardApplicable() public view returns (uint256) { // solhint-disable-next-line not-rely-on-time return block.timestamp < periodFinish ? block.timestamp : periodFinish; } function rewardPerToken() public view returns (uint256) { if (_totalSupply == 0) { return rewardPerTokenStored; } return rewardPerTokenStored.add( lastTimeRewardApplicable() .sub(lastUpdateTime) .mul(rewardRate) .mul(1e18) .div(_totalSupply) ); } function earned(address account) public view returns (uint256) { return _balances[account] .mul(rewardPerToken().sub(userRewardPerTokenPaid[account])) .div(1e18) .add(rewards[account]); } function getRewardForDuration() external view returns (uint256) { return rewardRate.mul(rewardsDuration); } function getUIData(address account) external view override returns (uint256[5] memory) { uint256[5] memory result = [ _totalSupply, _balances[account], rewardsDuration, rewardRate.mul(rewardsDuration), earned(account) ]; return result; } ////////////////////////////////////////////////////////////////////////////// // Mutators ////////////////////////////////////////////////////////////////////////////// function addAssets(address account, uint256 amount) external override onlyOwner { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot add 0'); // Update state _balances[account] = _balances[account].add(amount); // Dispatch event emit AssetAdded(account, amount, _balances[account]); } function removeAssets(address account, uint256 amount) external override onlyOwner { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot remove 0'); // Update state _balances[account] = _balances[account].sub(amount); // Dispatch event emit AssetRemoved(account, amount, _balances[account]); } function addShares(address account, uint256 amount) external override onlyOwner updateReward(account) { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot add 0'); // Update state _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); // Notify controller controller.onDeposit(amount); // Dispatch event emit ShareAdded(account, amount); } function removeShares(address account, uint256 amount) public override onlyOwner updateReward(account) { // Validate parameters require(amount > 0, 'CFolioFarm: Cannot remove 0'); // Update state _totalSupply = _totalSupply.sub(amount); _balances[account] = _balances[account].sub(amount); // Notify controller controller.onWithdraw(amount); // Dispatch event emit ShareRemoved(account, amount); } function getReward(address account, address rewardRecipient) public override onlyOwner updateReward(account) { // Load state uint256 reward = rewards[account]; if (reward > 0) { // Update state rewards[account] = 0; availableRewards = availableRewards.sub(reward); // Notify controller controller.payOutRewards(rewardRecipient, reward); // Dispatch event emit RewardPaid(account, rewardRecipient, reward); } } function exit(address account, address rewardRecipient) external override onlyOwner { removeShares(account, _balances[account]); getReward(account, rewardRecipient); } ////////////////////////////////////////////////////////////////////////////// // Restricted functions ////////////////////////////////////////////////////////////////////////////// function setController(address newController) external override onlyController { // Update state controller = IController(newController); // Dispatch event emit ControllerChanged(newController); } function notifyRewardAmount(uint256 reward) external override onlyController updateReward(address(0)) { // Update state // solhint-disable-next-line not-rely-on-time if (block.timestamp >= periodFinish) { rewardRate = reward.div(rewardsDuration); } else { // solhint-disable-next-line not-rely-on-time uint256 remaining = periodFinish.sub(block.timestamp); uint256 leftover = remaining.mul(rewardRate); rewardRate = reward.add(leftover).div(rewardsDuration); } availableRewards = availableRewards.add(reward); // Validate state // // Ensure the provided reward amount is not more than the balance in the // contract. // // This keeps the reward rate in the right range, preventing overflows due // to very high values of rewardRate in the earned and rewardsPerToken // functions. // // Reward + leftover must be less than 2^256 / 10^18 to avoid overflow. // require( rewardRate <= availableRewards.div(rewardsDuration), 'Provided reward too high' ); // Update state // solhint-disable-next-line not-rely-on-time lastUpdateTime = block.timestamp; // solhint-disable-next-line not-rely-on-time periodFinish = block.timestamp.add(rewardsDuration); // Dispatch event emit RewardAdded(reward); } /** * @dev We don't have any rebalancing here */ // solhint-disable-next-line no-empty-blocks function rebalance() external override onlyController {} /** * @dev Added to support recovering LP Rewards from other systems to be * distributed to holders */ function recoverERC20( address recipient, address tokenAddress, uint256 tokenAmount ) external onlyController { // Call ancestor _recoverERC20(recipient, tokenAddress, tokenAmount); } function setRewardsDuration(uint256 _rewardsDuration) external override onlyController { // Validate state require( // solhint-disable-next-line not-rely-on-time periodFinish == 0 || block.timestamp > periodFinish, 'Reward period not finished' ); // Update state rewardsDuration = _rewardsDuration; // Dispatch event emit RewardsDurationUpdated(rewardsDuration); } }
/** * @notice Farm is owned by a CFolio contract. * * All state modifing calls are only allowed from this owner. */
NatSpecMultiLine
recoverERC20
function recoverERC20( address recipient, address tokenAddress, uint256 tokenAmount ) external onlyController { // Call ancestor _recoverERC20(recipient, tokenAddress, tokenAmount); }
/** * @dev Added to support recovering LP Rewards from other systems to be * distributed to holders */
NatSpecMultiLine
v0.7.4+commit.3f05b770
Apache-2.0
{ "func_code_index": [ 8949, 9158 ] }
161
DANACHO
DANACHO.sol
0x9256d3de679c96327dd0fca0b64f4b9de3ab95c5
Solidity
Ownable
contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ constructor () internal { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) onlyOwner public { require(newOwner != address(0)); emit OwnershipTransferred(owner, newOwner); owner = newOwner; } }
/** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". */
NatSpecMultiLine
transferOwnership
function transferOwnership(address newOwner) onlyOwner public { require(newOwner != address(0)); emit OwnershipTransferred(owner, newOwner); owner = newOwner; }
/** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */
NatSpecMultiLine
v0.6.12+commit.27d51765
None
ipfs://b221d5a22ac6a46fa17293a69741cdf97babc1be9193bf47c942fbc806506981
{ "func_code_index": [ 642, 823 ] }
162
DANACHO
DANACHO.sol
0x9256d3de679c96327dd0fca0b64f4b9de3ab95c5
Solidity
StandardToken
contract StandardToken is ERC20Basic, Ownable { uint256 public totalSupply; using SafeMath for uint256; mapping(address => uint256) balances; /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) public override returns (bool trans1) { require(_to != address(0)); //require(canTransfer(msg.sender)); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. */ function balanceOf(address _owner) public view override returns (uint256 balance) { return balances[_owner]; } mapping (address => mapping (address => uint256)) allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public override returns (bool trans) { require(_to != address(0)); // require(canTransfer(msg.sender)); uint256 _allowance = allowed[_from][msg.sender]; // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // require (_value <= _allowance); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = _allowance.sub(_value); emit Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public override returns (bool hello) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. */ function allowance(address _owner, address _spender) public view override returns (uint256 remaining) { return allowed[_owner][_spender]; } /** * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol */ function increaseApproval (address _spender, uint _addedValue) public returns (bool success) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } }
/** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */
NatSpecMultiLine
transfer
function transfer(address _to, uint256 _value) public override returns (bool trans1) { require(_to != address(0)); //require(canTransfer(msg.sender)); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; }
/** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */
NatSpecMultiLine
v0.6.12+commit.27d51765
None
ipfs://b221d5a22ac6a46fa17293a69741cdf97babc1be9193bf47c942fbc806506981
{ "func_code_index": [ 324, 737 ] }
163
DANACHO
DANACHO.sol
0x9256d3de679c96327dd0fca0b64f4b9de3ab95c5
Solidity
StandardToken
contract StandardToken is ERC20Basic, Ownable { uint256 public totalSupply; using SafeMath for uint256; mapping(address => uint256) balances; /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) public override returns (bool trans1) { require(_to != address(0)); //require(canTransfer(msg.sender)); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. */ function balanceOf(address _owner) public view override returns (uint256 balance) { return balances[_owner]; } mapping (address => mapping (address => uint256)) allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public override returns (bool trans) { require(_to != address(0)); // require(canTransfer(msg.sender)); uint256 _allowance = allowed[_from][msg.sender]; // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // require (_value <= _allowance); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = _allowance.sub(_value); emit Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public override returns (bool hello) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. */ function allowance(address _owner, address _spender) public view override returns (uint256 remaining) { return allowed[_owner][_spender]; } /** * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol */ function increaseApproval (address _spender, uint _addedValue) public returns (bool success) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } }
/** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */
NatSpecMultiLine
balanceOf
function balanceOf(address _owner) public view override returns (uint256 balance) { return balances[_owner]; }
/** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. */
NatSpecMultiLine
v0.6.12+commit.27d51765
None
ipfs://b221d5a22ac6a46fa17293a69741cdf97babc1be9193bf47c942fbc806506981
{ "func_code_index": [ 870, 991 ] }
164
DANACHO
DANACHO.sol
0x9256d3de679c96327dd0fca0b64f4b9de3ab95c5
Solidity
StandardToken
contract StandardToken is ERC20Basic, Ownable { uint256 public totalSupply; using SafeMath for uint256; mapping(address => uint256) balances; /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) public override returns (bool trans1) { require(_to != address(0)); //require(canTransfer(msg.sender)); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. */ function balanceOf(address _owner) public view override returns (uint256 balance) { return balances[_owner]; } mapping (address => mapping (address => uint256)) allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public override returns (bool trans) { require(_to != address(0)); // require(canTransfer(msg.sender)); uint256 _allowance = allowed[_from][msg.sender]; // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // require (_value <= _allowance); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = _allowance.sub(_value); emit Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public override returns (bool hello) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. */ function allowance(address _owner, address _spender) public view override returns (uint256 remaining) { return allowed[_owner][_spender]; } /** * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol */ function increaseApproval (address _spender, uint _addedValue) public returns (bool success) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } }
/** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */
NatSpecMultiLine
transferFrom
function transferFrom(address _from, address _to, uint256 _value) public override returns (bool trans) { require(_to != address(0)); // require(canTransfer(msg.sender)); uint256 _allowance = allowed[_from][msg.sender]; // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // require (_value <= _allowance); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = _allowance.sub(_value); emit Transfer(_from, _to, _value); return true; }
/** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */
NatSpecMultiLine
v0.6.12+commit.27d51765
None
ipfs://b221d5a22ac6a46fa17293a69741cdf97babc1be9193bf47c942fbc806506981
{ "func_code_index": [ 1339, 1949 ] }
165
DANACHO
DANACHO.sol
0x9256d3de679c96327dd0fca0b64f4b9de3ab95c5
Solidity
StandardToken
contract StandardToken is ERC20Basic, Ownable { uint256 public totalSupply; using SafeMath for uint256; mapping(address => uint256) balances; /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) public override returns (bool trans1) { require(_to != address(0)); //require(canTransfer(msg.sender)); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. */ function balanceOf(address _owner) public view override returns (uint256 balance) { return balances[_owner]; } mapping (address => mapping (address => uint256)) allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public override returns (bool trans) { require(_to != address(0)); // require(canTransfer(msg.sender)); uint256 _allowance = allowed[_from][msg.sender]; // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // require (_value <= _allowance); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = _allowance.sub(_value); emit Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public override returns (bool hello) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. */ function allowance(address _owner, address _spender) public view override returns (uint256 remaining) { return allowed[_owner][_spender]; } /** * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol */ function increaseApproval (address _spender, uint _addedValue) public returns (bool success) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } }
/** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */
NatSpecMultiLine
approve
function approve(address _spender, uint256 _value) public override returns (bool hello) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; }
/** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */
NatSpecMultiLine
v0.6.12+commit.27d51765
None
ipfs://b221d5a22ac6a46fa17293a69741cdf97babc1be9193bf47c942fbc806506981
{ "func_code_index": [ 2581, 2791 ] }
166
DANACHO
DANACHO.sol
0x9256d3de679c96327dd0fca0b64f4b9de3ab95c5
Solidity
StandardToken
contract StandardToken is ERC20Basic, Ownable { uint256 public totalSupply; using SafeMath for uint256; mapping(address => uint256) balances; /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) public override returns (bool trans1) { require(_to != address(0)); //require(canTransfer(msg.sender)); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. */ function balanceOf(address _owner) public view override returns (uint256 balance) { return balances[_owner]; } mapping (address => mapping (address => uint256)) allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public override returns (bool trans) { require(_to != address(0)); // require(canTransfer(msg.sender)); uint256 _allowance = allowed[_from][msg.sender]; // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // require (_value <= _allowance); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = _allowance.sub(_value); emit Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public override returns (bool hello) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. */ function allowance(address _owner, address _spender) public view override returns (uint256 remaining) { return allowed[_owner][_spender]; } /** * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol */ function increaseApproval (address _spender, uint _addedValue) public returns (bool success) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } }
/** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */
NatSpecMultiLine
allowance
function allowance(address _owner, address _spender) public view override returns (uint256 remaining) { return allowed[_owner][_spender]; }
/** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. */
NatSpecMultiLine
v0.6.12+commit.27d51765
None
ipfs://b221d5a22ac6a46fa17293a69741cdf97babc1be9193bf47c942fbc806506981
{ "func_code_index": [ 3031, 3182 ] }
167
DANACHO
DANACHO.sol
0x9256d3de679c96327dd0fca0b64f4b9de3ab95c5
Solidity
StandardToken
contract StandardToken is ERC20Basic, Ownable { uint256 public totalSupply; using SafeMath for uint256; mapping(address => uint256) balances; /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) public override returns (bool trans1) { require(_to != address(0)); //require(canTransfer(msg.sender)); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. */ function balanceOf(address _owner) public view override returns (uint256 balance) { return balances[_owner]; } mapping (address => mapping (address => uint256)) allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public override returns (bool trans) { require(_to != address(0)); // require(canTransfer(msg.sender)); uint256 _allowance = allowed[_from][msg.sender]; // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // require (_value <= _allowance); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = _allowance.sub(_value); emit Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public override returns (bool hello) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. */ function allowance(address _owner, address _spender) public view override returns (uint256 remaining) { return allowed[_owner][_spender]; } /** * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol */ function increaseApproval (address _spender, uint _addedValue) public returns (bool success) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } }
/** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */
NatSpecMultiLine
increaseApproval
function increaseApproval (address _spender, uint _addedValue) public returns (bool success) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; }
/** * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol */
NatSpecMultiLine
v0.6.12+commit.27d51765
None
ipfs://b221d5a22ac6a46fa17293a69741cdf97babc1be9193bf47c942fbc806506981
{ "func_code_index": [ 3427, 3705 ] }
168
DANACHO
DANACHO.sol
0x9256d3de679c96327dd0fca0b64f4b9de3ab95c5
Solidity
BurnableToken
contract BurnableToken is StandardToken { event Burn(address indexed burner, uint256 value); /** * @dev Burns a specific amount of tokens. * @param _value The amount of token to be burned. */ function burn(uint256 _value) public { require(_value > 0); require(_value <= balances[msg.sender]); // no need to require value <= totalSupply, since that would imply the // sender's balance is greater than the totalSupply, which *should* be an assertion failure address burner = msg.sender; balances[burner] = balances[burner].sub(_value); totalSupply = totalSupply.sub(_value); emit Burn(burner, _value); emit Transfer(burner, address(0), _value); } }
/** * @title Burnable Token * @dev Token that can be irreversibly burned (destroyed). */
NatSpecMultiLine
burn
function burn(uint256 _value) public { require(_value > 0); require(_value <= balances[msg.sender]); // no need to require value <= totalSupply, since that would imply the // sender's balance is greater than the totalSupply, which *should* be an assertion failure address burner = msg.sender; balances[burner] = balances[burner].sub(_value); totalSupply = totalSupply.sub(_value); emit Burn(burner, _value); emit Transfer(burner, address(0), _value); }
/** * @dev Burns a specific amount of tokens. * @param _value The amount of token to be burned. */
NatSpecMultiLine
v0.6.12+commit.27d51765
None
ipfs://b221d5a22ac6a46fa17293a69741cdf97babc1be9193bf47c942fbc806506981
{ "func_code_index": [ 225, 770 ] }
169
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
Owned
contract Owned { address public owner; address public nominatedOwner; /** * @dev Owned Constructor */ constructor(address _owner) public { require(_owner != address(0), "Owner address cannot be 0"); owner = _owner; emit OwnerChanged(address(0), _owner); } /** * @notice Nominate a new owner of this contract. * @dev Only the current owner may nominate a new owner. */ function nominateNewOwner(address _owner) external onlyOwner { nominatedOwner = _owner; emit OwnerNominated(_owner); } /** * @notice Accept the nomination to be owner. */ function acceptOwnership() external { require(msg.sender == nominatedOwner, "You must be nominated before you can accept ownership"); emit OwnerChanged(owner, nominatedOwner); owner = nominatedOwner; nominatedOwner = address(0); } modifier onlyOwner { require(msg.sender == owner, "Only the contract owner may perform this action"); _; } event OwnerNominated(address newOwner); event OwnerChanged(address oldOwner, address newOwner); }
// https://docs.synthetix.io/contracts/Owned
LineComment
nominateNewOwner
function nominateNewOwner(address _owner) external onlyOwner { nominatedOwner = _owner; emit OwnerNominated(_owner); }
/** * @notice Nominate a new owner of this contract. * @dev Only the current owner may nominate a new owner. */
NatSpecMultiLine
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 443, 585 ] }
170
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
Owned
contract Owned { address public owner; address public nominatedOwner; /** * @dev Owned Constructor */ constructor(address _owner) public { require(_owner != address(0), "Owner address cannot be 0"); owner = _owner; emit OwnerChanged(address(0), _owner); } /** * @notice Nominate a new owner of this contract. * @dev Only the current owner may nominate a new owner. */ function nominateNewOwner(address _owner) external onlyOwner { nominatedOwner = _owner; emit OwnerNominated(_owner); } /** * @notice Accept the nomination to be owner. */ function acceptOwnership() external { require(msg.sender == nominatedOwner, "You must be nominated before you can accept ownership"); emit OwnerChanged(owner, nominatedOwner); owner = nominatedOwner; nominatedOwner = address(0); } modifier onlyOwner { require(msg.sender == owner, "Only the contract owner may perform this action"); _; } event OwnerNominated(address newOwner); event OwnerChanged(address oldOwner, address newOwner); }
// https://docs.synthetix.io/contracts/Owned
LineComment
acceptOwnership
function acceptOwnership() external { require(msg.sender == nominatedOwner, "You must be nominated before you can accept ownership"); emit OwnerChanged(owner, nominatedOwner); owner = nominatedOwner; nominatedOwner = address(0); }
/** * @notice Accept the nomination to be owner. */
NatSpecMultiLine
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 653, 923 ] }
171
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
State
contract State is Owned { // the address of the contract that can modify variables // this can only be changed by the owner of this contract address public associatedContract; constructor(address _owner, address _associatedContract) public Owned(_owner) { associatedContract = _associatedContract; emit AssociatedContractUpdated(_associatedContract); } /* ========== SETTERS ========== */ // Change the associated contract to a new address function setAssociatedContract(address _associatedContract) external onlyOwner { associatedContract = _associatedContract; emit AssociatedContractUpdated(_associatedContract); } /* ========== MODIFIERS ========== */ modifier onlyAssociatedContract { require(msg.sender == associatedContract, "Only the associated contract can perform this action"); _; } /* ========== EVENTS ========== */ event AssociatedContractUpdated(address associatedContract); }
// https://docs.synthetix.io/contracts/State
LineComment
setAssociatedContract
function setAssociatedContract(address _associatedContract) external onlyOwner { associatedContract = _associatedContract; emit AssociatedContractUpdated(_associatedContract); }
// Change the associated contract to a new address
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 487, 688 ] }
172
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
EternalStorage
contract EternalStorage is State { constructor(address _owner, address _associatedContract) public State(_owner, _associatedContract) {} /* ========== DATA TYPES ========== */ mapping(bytes32 => uint) UIntStorage; mapping(bytes32 => string) StringStorage; mapping(bytes32 => address) AddressStorage; mapping(bytes32 => bytes) BytesStorage; mapping(bytes32 => bytes32) Bytes32Storage; mapping(bytes32 => bool) BooleanStorage; mapping(bytes32 => int) IntStorage; // UIntStorage; function getUIntValue(bytes32 record) external view returns (uint) { return UIntStorage[record]; } function setUIntValue(bytes32 record, uint value) external onlyAssociatedContract { UIntStorage[record] = value; } function deleteUIntValue(bytes32 record) external onlyAssociatedContract { delete UIntStorage[record]; } // StringStorage function getStringValue(bytes32 record) external view returns (string memory) { return StringStorage[record]; } function setStringValue(bytes32 record, string value) external onlyAssociatedContract { StringStorage[record] = value; } function deleteStringValue(bytes32 record) external onlyAssociatedContract { delete StringStorage[record]; } // AddressStorage function getAddressValue(bytes32 record) external view returns (address) { return AddressStorage[record]; } function setAddressValue(bytes32 record, address value) external onlyAssociatedContract { AddressStorage[record] = value; } function deleteAddressValue(bytes32 record) external onlyAssociatedContract { delete AddressStorage[record]; } // BytesStorage function getBytesValue(bytes32 record) external view returns (bytes memory) { return BytesStorage[record]; } function setBytesValue(bytes32 record, bytes value) external onlyAssociatedContract { BytesStorage[record] = value; } function deleteBytesValue(bytes32 record) external onlyAssociatedContract { delete BytesStorage[record]; } // Bytes32Storage function getBytes32Value(bytes32 record) external view returns (bytes32) { return Bytes32Storage[record]; } function setBytes32Value(bytes32 record, bytes32 value) external onlyAssociatedContract { Bytes32Storage[record] = value; } function deleteBytes32Value(bytes32 record) external onlyAssociatedContract { delete Bytes32Storage[record]; } // BooleanStorage function getBooleanValue(bytes32 record) external view returns (bool) { return BooleanStorage[record]; } function setBooleanValue(bytes32 record, bool value) external onlyAssociatedContract { BooleanStorage[record] = value; } function deleteBooleanValue(bytes32 record) external onlyAssociatedContract { delete BooleanStorage[record]; } // IntStorage function getIntValue(bytes32 record) external view returns (int) { return IntStorage[record]; } function setIntValue(bytes32 record, int value) external onlyAssociatedContract { IntStorage[record] = value; } function deleteIntValue(bytes32 record) external onlyAssociatedContract { delete IntStorage[record]; } }
// https://docs.synthetix.io/contracts/EternalStorage
LineComment
getUIntValue
function getUIntValue(bytes32 record) external view returns (uint) { return UIntStorage[record]; }
// UIntStorage;
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 519, 633 ] }
173
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
EternalStorage
contract EternalStorage is State { constructor(address _owner, address _associatedContract) public State(_owner, _associatedContract) {} /* ========== DATA TYPES ========== */ mapping(bytes32 => uint) UIntStorage; mapping(bytes32 => string) StringStorage; mapping(bytes32 => address) AddressStorage; mapping(bytes32 => bytes) BytesStorage; mapping(bytes32 => bytes32) Bytes32Storage; mapping(bytes32 => bool) BooleanStorage; mapping(bytes32 => int) IntStorage; // UIntStorage; function getUIntValue(bytes32 record) external view returns (uint) { return UIntStorage[record]; } function setUIntValue(bytes32 record, uint value) external onlyAssociatedContract { UIntStorage[record] = value; } function deleteUIntValue(bytes32 record) external onlyAssociatedContract { delete UIntStorage[record]; } // StringStorage function getStringValue(bytes32 record) external view returns (string memory) { return StringStorage[record]; } function setStringValue(bytes32 record, string value) external onlyAssociatedContract { StringStorage[record] = value; } function deleteStringValue(bytes32 record) external onlyAssociatedContract { delete StringStorage[record]; } // AddressStorage function getAddressValue(bytes32 record) external view returns (address) { return AddressStorage[record]; } function setAddressValue(bytes32 record, address value) external onlyAssociatedContract { AddressStorage[record] = value; } function deleteAddressValue(bytes32 record) external onlyAssociatedContract { delete AddressStorage[record]; } // BytesStorage function getBytesValue(bytes32 record) external view returns (bytes memory) { return BytesStorage[record]; } function setBytesValue(bytes32 record, bytes value) external onlyAssociatedContract { BytesStorage[record] = value; } function deleteBytesValue(bytes32 record) external onlyAssociatedContract { delete BytesStorage[record]; } // Bytes32Storage function getBytes32Value(bytes32 record) external view returns (bytes32) { return Bytes32Storage[record]; } function setBytes32Value(bytes32 record, bytes32 value) external onlyAssociatedContract { Bytes32Storage[record] = value; } function deleteBytes32Value(bytes32 record) external onlyAssociatedContract { delete Bytes32Storage[record]; } // BooleanStorage function getBooleanValue(bytes32 record) external view returns (bool) { return BooleanStorage[record]; } function setBooleanValue(bytes32 record, bool value) external onlyAssociatedContract { BooleanStorage[record] = value; } function deleteBooleanValue(bytes32 record) external onlyAssociatedContract { delete BooleanStorage[record]; } // IntStorage function getIntValue(bytes32 record) external view returns (int) { return IntStorage[record]; } function setIntValue(bytes32 record, int value) external onlyAssociatedContract { IntStorage[record] = value; } function deleteIntValue(bytes32 record) external onlyAssociatedContract { delete IntStorage[record]; } }
// https://docs.synthetix.io/contracts/EternalStorage
LineComment
getStringValue
function getStringValue(bytes32 record) external view returns (string memory) { return StringStorage[record]; }
// StringStorage
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 910, 1037 ] }
174
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
EternalStorage
contract EternalStorage is State { constructor(address _owner, address _associatedContract) public State(_owner, _associatedContract) {} /* ========== DATA TYPES ========== */ mapping(bytes32 => uint) UIntStorage; mapping(bytes32 => string) StringStorage; mapping(bytes32 => address) AddressStorage; mapping(bytes32 => bytes) BytesStorage; mapping(bytes32 => bytes32) Bytes32Storage; mapping(bytes32 => bool) BooleanStorage; mapping(bytes32 => int) IntStorage; // UIntStorage; function getUIntValue(bytes32 record) external view returns (uint) { return UIntStorage[record]; } function setUIntValue(bytes32 record, uint value) external onlyAssociatedContract { UIntStorage[record] = value; } function deleteUIntValue(bytes32 record) external onlyAssociatedContract { delete UIntStorage[record]; } // StringStorage function getStringValue(bytes32 record) external view returns (string memory) { return StringStorage[record]; } function setStringValue(bytes32 record, string value) external onlyAssociatedContract { StringStorage[record] = value; } function deleteStringValue(bytes32 record) external onlyAssociatedContract { delete StringStorage[record]; } // AddressStorage function getAddressValue(bytes32 record) external view returns (address) { return AddressStorage[record]; } function setAddressValue(bytes32 record, address value) external onlyAssociatedContract { AddressStorage[record] = value; } function deleteAddressValue(bytes32 record) external onlyAssociatedContract { delete AddressStorage[record]; } // BytesStorage function getBytesValue(bytes32 record) external view returns (bytes memory) { return BytesStorage[record]; } function setBytesValue(bytes32 record, bytes value) external onlyAssociatedContract { BytesStorage[record] = value; } function deleteBytesValue(bytes32 record) external onlyAssociatedContract { delete BytesStorage[record]; } // Bytes32Storage function getBytes32Value(bytes32 record) external view returns (bytes32) { return Bytes32Storage[record]; } function setBytes32Value(bytes32 record, bytes32 value) external onlyAssociatedContract { Bytes32Storage[record] = value; } function deleteBytes32Value(bytes32 record) external onlyAssociatedContract { delete Bytes32Storage[record]; } // BooleanStorage function getBooleanValue(bytes32 record) external view returns (bool) { return BooleanStorage[record]; } function setBooleanValue(bytes32 record, bool value) external onlyAssociatedContract { BooleanStorage[record] = value; } function deleteBooleanValue(bytes32 record) external onlyAssociatedContract { delete BooleanStorage[record]; } // IntStorage function getIntValue(bytes32 record) external view returns (int) { return IntStorage[record]; } function setIntValue(bytes32 record, int value) external onlyAssociatedContract { IntStorage[record] = value; } function deleteIntValue(bytes32 record) external onlyAssociatedContract { delete IntStorage[record]; } }
// https://docs.synthetix.io/contracts/EternalStorage
LineComment
getAddressValue
function getAddressValue(bytes32 record) external view returns (address) { return AddressStorage[record]; }
// AddressStorage
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 1325, 1448 ] }
175
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
EternalStorage
contract EternalStorage is State { constructor(address _owner, address _associatedContract) public State(_owner, _associatedContract) {} /* ========== DATA TYPES ========== */ mapping(bytes32 => uint) UIntStorage; mapping(bytes32 => string) StringStorage; mapping(bytes32 => address) AddressStorage; mapping(bytes32 => bytes) BytesStorage; mapping(bytes32 => bytes32) Bytes32Storage; mapping(bytes32 => bool) BooleanStorage; mapping(bytes32 => int) IntStorage; // UIntStorage; function getUIntValue(bytes32 record) external view returns (uint) { return UIntStorage[record]; } function setUIntValue(bytes32 record, uint value) external onlyAssociatedContract { UIntStorage[record] = value; } function deleteUIntValue(bytes32 record) external onlyAssociatedContract { delete UIntStorage[record]; } // StringStorage function getStringValue(bytes32 record) external view returns (string memory) { return StringStorage[record]; } function setStringValue(bytes32 record, string value) external onlyAssociatedContract { StringStorage[record] = value; } function deleteStringValue(bytes32 record) external onlyAssociatedContract { delete StringStorage[record]; } // AddressStorage function getAddressValue(bytes32 record) external view returns (address) { return AddressStorage[record]; } function setAddressValue(bytes32 record, address value) external onlyAssociatedContract { AddressStorage[record] = value; } function deleteAddressValue(bytes32 record) external onlyAssociatedContract { delete AddressStorage[record]; } // BytesStorage function getBytesValue(bytes32 record) external view returns (bytes memory) { return BytesStorage[record]; } function setBytesValue(bytes32 record, bytes value) external onlyAssociatedContract { BytesStorage[record] = value; } function deleteBytesValue(bytes32 record) external onlyAssociatedContract { delete BytesStorage[record]; } // Bytes32Storage function getBytes32Value(bytes32 record) external view returns (bytes32) { return Bytes32Storage[record]; } function setBytes32Value(bytes32 record, bytes32 value) external onlyAssociatedContract { Bytes32Storage[record] = value; } function deleteBytes32Value(bytes32 record) external onlyAssociatedContract { delete Bytes32Storage[record]; } // BooleanStorage function getBooleanValue(bytes32 record) external view returns (bool) { return BooleanStorage[record]; } function setBooleanValue(bytes32 record, bool value) external onlyAssociatedContract { BooleanStorage[record] = value; } function deleteBooleanValue(bytes32 record) external onlyAssociatedContract { delete BooleanStorage[record]; } // IntStorage function getIntValue(bytes32 record) external view returns (int) { return IntStorage[record]; } function setIntValue(bytes32 record, int value) external onlyAssociatedContract { IntStorage[record] = value; } function deleteIntValue(bytes32 record) external onlyAssociatedContract { delete IntStorage[record]; } }
// https://docs.synthetix.io/contracts/EternalStorage
LineComment
getBytesValue
function getBytesValue(bytes32 record) external view returns (bytes memory) { return BytesStorage[record]; }
// BytesStorage
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 1739, 1863 ] }
176
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
EternalStorage
contract EternalStorage is State { constructor(address _owner, address _associatedContract) public State(_owner, _associatedContract) {} /* ========== DATA TYPES ========== */ mapping(bytes32 => uint) UIntStorage; mapping(bytes32 => string) StringStorage; mapping(bytes32 => address) AddressStorage; mapping(bytes32 => bytes) BytesStorage; mapping(bytes32 => bytes32) Bytes32Storage; mapping(bytes32 => bool) BooleanStorage; mapping(bytes32 => int) IntStorage; // UIntStorage; function getUIntValue(bytes32 record) external view returns (uint) { return UIntStorage[record]; } function setUIntValue(bytes32 record, uint value) external onlyAssociatedContract { UIntStorage[record] = value; } function deleteUIntValue(bytes32 record) external onlyAssociatedContract { delete UIntStorage[record]; } // StringStorage function getStringValue(bytes32 record) external view returns (string memory) { return StringStorage[record]; } function setStringValue(bytes32 record, string value) external onlyAssociatedContract { StringStorage[record] = value; } function deleteStringValue(bytes32 record) external onlyAssociatedContract { delete StringStorage[record]; } // AddressStorage function getAddressValue(bytes32 record) external view returns (address) { return AddressStorage[record]; } function setAddressValue(bytes32 record, address value) external onlyAssociatedContract { AddressStorage[record] = value; } function deleteAddressValue(bytes32 record) external onlyAssociatedContract { delete AddressStorage[record]; } // BytesStorage function getBytesValue(bytes32 record) external view returns (bytes memory) { return BytesStorage[record]; } function setBytesValue(bytes32 record, bytes value) external onlyAssociatedContract { BytesStorage[record] = value; } function deleteBytesValue(bytes32 record) external onlyAssociatedContract { delete BytesStorage[record]; } // Bytes32Storage function getBytes32Value(bytes32 record) external view returns (bytes32) { return Bytes32Storage[record]; } function setBytes32Value(bytes32 record, bytes32 value) external onlyAssociatedContract { Bytes32Storage[record] = value; } function deleteBytes32Value(bytes32 record) external onlyAssociatedContract { delete Bytes32Storage[record]; } // BooleanStorage function getBooleanValue(bytes32 record) external view returns (bool) { return BooleanStorage[record]; } function setBooleanValue(bytes32 record, bool value) external onlyAssociatedContract { BooleanStorage[record] = value; } function deleteBooleanValue(bytes32 record) external onlyAssociatedContract { delete BooleanStorage[record]; } // IntStorage function getIntValue(bytes32 record) external view returns (int) { return IntStorage[record]; } function setIntValue(bytes32 record, int value) external onlyAssociatedContract { IntStorage[record] = value; } function deleteIntValue(bytes32 record) external onlyAssociatedContract { delete IntStorage[record]; } }
// https://docs.synthetix.io/contracts/EternalStorage
LineComment
getBytes32Value
function getBytes32Value(bytes32 record) external view returns (bytes32) { return Bytes32Storage[record]; }
// Bytes32Storage
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 2146, 2269 ] }
177
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
EternalStorage
contract EternalStorage is State { constructor(address _owner, address _associatedContract) public State(_owner, _associatedContract) {} /* ========== DATA TYPES ========== */ mapping(bytes32 => uint) UIntStorage; mapping(bytes32 => string) StringStorage; mapping(bytes32 => address) AddressStorage; mapping(bytes32 => bytes) BytesStorage; mapping(bytes32 => bytes32) Bytes32Storage; mapping(bytes32 => bool) BooleanStorage; mapping(bytes32 => int) IntStorage; // UIntStorage; function getUIntValue(bytes32 record) external view returns (uint) { return UIntStorage[record]; } function setUIntValue(bytes32 record, uint value) external onlyAssociatedContract { UIntStorage[record] = value; } function deleteUIntValue(bytes32 record) external onlyAssociatedContract { delete UIntStorage[record]; } // StringStorage function getStringValue(bytes32 record) external view returns (string memory) { return StringStorage[record]; } function setStringValue(bytes32 record, string value) external onlyAssociatedContract { StringStorage[record] = value; } function deleteStringValue(bytes32 record) external onlyAssociatedContract { delete StringStorage[record]; } // AddressStorage function getAddressValue(bytes32 record) external view returns (address) { return AddressStorage[record]; } function setAddressValue(bytes32 record, address value) external onlyAssociatedContract { AddressStorage[record] = value; } function deleteAddressValue(bytes32 record) external onlyAssociatedContract { delete AddressStorage[record]; } // BytesStorage function getBytesValue(bytes32 record) external view returns (bytes memory) { return BytesStorage[record]; } function setBytesValue(bytes32 record, bytes value) external onlyAssociatedContract { BytesStorage[record] = value; } function deleteBytesValue(bytes32 record) external onlyAssociatedContract { delete BytesStorage[record]; } // Bytes32Storage function getBytes32Value(bytes32 record) external view returns (bytes32) { return Bytes32Storage[record]; } function setBytes32Value(bytes32 record, bytes32 value) external onlyAssociatedContract { Bytes32Storage[record] = value; } function deleteBytes32Value(bytes32 record) external onlyAssociatedContract { delete Bytes32Storage[record]; } // BooleanStorage function getBooleanValue(bytes32 record) external view returns (bool) { return BooleanStorage[record]; } function setBooleanValue(bytes32 record, bool value) external onlyAssociatedContract { BooleanStorage[record] = value; } function deleteBooleanValue(bytes32 record) external onlyAssociatedContract { delete BooleanStorage[record]; } // IntStorage function getIntValue(bytes32 record) external view returns (int) { return IntStorage[record]; } function setIntValue(bytes32 record, int value) external onlyAssociatedContract { IntStorage[record] = value; } function deleteIntValue(bytes32 record) external onlyAssociatedContract { delete IntStorage[record]; } }
// https://docs.synthetix.io/contracts/EternalStorage
LineComment
getBooleanValue
function getBooleanValue(bytes32 record) external view returns (bool) { return BooleanStorage[record]; }
// BooleanStorage
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 2562, 2682 ] }
178
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
EternalStorage
contract EternalStorage is State { constructor(address _owner, address _associatedContract) public State(_owner, _associatedContract) {} /* ========== DATA TYPES ========== */ mapping(bytes32 => uint) UIntStorage; mapping(bytes32 => string) StringStorage; mapping(bytes32 => address) AddressStorage; mapping(bytes32 => bytes) BytesStorage; mapping(bytes32 => bytes32) Bytes32Storage; mapping(bytes32 => bool) BooleanStorage; mapping(bytes32 => int) IntStorage; // UIntStorage; function getUIntValue(bytes32 record) external view returns (uint) { return UIntStorage[record]; } function setUIntValue(bytes32 record, uint value) external onlyAssociatedContract { UIntStorage[record] = value; } function deleteUIntValue(bytes32 record) external onlyAssociatedContract { delete UIntStorage[record]; } // StringStorage function getStringValue(bytes32 record) external view returns (string memory) { return StringStorage[record]; } function setStringValue(bytes32 record, string value) external onlyAssociatedContract { StringStorage[record] = value; } function deleteStringValue(bytes32 record) external onlyAssociatedContract { delete StringStorage[record]; } // AddressStorage function getAddressValue(bytes32 record) external view returns (address) { return AddressStorage[record]; } function setAddressValue(bytes32 record, address value) external onlyAssociatedContract { AddressStorage[record] = value; } function deleteAddressValue(bytes32 record) external onlyAssociatedContract { delete AddressStorage[record]; } // BytesStorage function getBytesValue(bytes32 record) external view returns (bytes memory) { return BytesStorage[record]; } function setBytesValue(bytes32 record, bytes value) external onlyAssociatedContract { BytesStorage[record] = value; } function deleteBytesValue(bytes32 record) external onlyAssociatedContract { delete BytesStorage[record]; } // Bytes32Storage function getBytes32Value(bytes32 record) external view returns (bytes32) { return Bytes32Storage[record]; } function setBytes32Value(bytes32 record, bytes32 value) external onlyAssociatedContract { Bytes32Storage[record] = value; } function deleteBytes32Value(bytes32 record) external onlyAssociatedContract { delete Bytes32Storage[record]; } // BooleanStorage function getBooleanValue(bytes32 record) external view returns (bool) { return BooleanStorage[record]; } function setBooleanValue(bytes32 record, bool value) external onlyAssociatedContract { BooleanStorage[record] = value; } function deleteBooleanValue(bytes32 record) external onlyAssociatedContract { delete BooleanStorage[record]; } // IntStorage function getIntValue(bytes32 record) external view returns (int) { return IntStorage[record]; } function setIntValue(bytes32 record, int value) external onlyAssociatedContract { IntStorage[record] = value; } function deleteIntValue(bytes32 record) external onlyAssociatedContract { delete IntStorage[record]; } }
// https://docs.synthetix.io/contracts/EternalStorage
LineComment
getIntValue
function getIntValue(bytes32 record) external view returns (int) { return IntStorage[record]; }
// IntStorage
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 2968, 3079 ] }
179
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
DelegateApprovals
contract DelegateApprovals is Owned { bytes32 public constant BURN_FOR_ADDRESS = "BurnForAddress"; bytes32 public constant ISSUE_FOR_ADDRESS = "IssueForAddress"; bytes32 public constant CLAIM_FOR_ADDRESS = "ClaimForAddress"; bytes32 public constant EXCHANGE_FOR_ADDRESS = "ExchangeForAddress"; bytes32 public constant APPROVE_ALL = "ApproveAll"; bytes32[5] private _delegatableFunctions = [ APPROVE_ALL, BURN_FOR_ADDRESS, ISSUE_FOR_ADDRESS, CLAIM_FOR_ADDRESS, EXCHANGE_FOR_ADDRESS ]; /* ========== STATE VARIABLES ========== */ EternalStorage public eternalStorage; /** * @dev Constructor * @param _owner The address which controls this contract. * @param _eternalStorage The eternalStorage address. */ constructor(address _owner, EternalStorage _eternalStorage) public Owned(_owner) { eternalStorage = _eternalStorage; } /* ========== VIEWS ========== */ // Move it to setter and associatedState // util to get key based on action name + address of authoriser + address for delegate function _getKey(bytes32 _action, address _authoriser, address _delegate) internal pure returns (bytes32) { return keccak256(abi.encodePacked(_action, _authoriser, _delegate)); } // hash of actionName + address of authoriser + address for the delegate function canBurnFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(BURN_FOR_ADDRESS, authoriser, delegate); } function canIssueFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(ISSUE_FOR_ADDRESS, authoriser, delegate); } function canClaimFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(CLAIM_FOR_ADDRESS, authoriser, delegate); } function canExchangeFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(EXCHANGE_FOR_ADDRESS, authoriser, delegate); } function approvedAll(address authoriser, address delegate) public view returns (bool) { return eternalStorage.getBooleanValue(_getKey(APPROVE_ALL, authoriser, delegate)); } // internal function to check approval based on action // if approved for all actions then will return true // before checking specific approvals function _checkApproval(bytes32 action, address authoriser, address delegate) internal view returns (bool) { if (approvedAll(authoriser, delegate)) return true; return eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate)); } /* ========== SETTERS ========== */ // Approve All function approveAllDelegatePowers(address delegate) external { _setApproval(APPROVE_ALL, msg.sender, delegate); } // Removes all delegate approvals function removeAllDelegatePowers(address delegate) external { for (uint i = 0; i < _delegatableFunctions.length; i++) { _withdrawApproval(_delegatableFunctions[i], msg.sender, delegate); } } // Burn on behalf function approveBurnOnBehalf(address delegate) external { _setApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } function removeBurnOnBehalf(address delegate) external { _withdrawApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } // Issue on behalf function approveIssueOnBehalf(address delegate) external { _setApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } function removeIssueOnBehalf(address delegate) external { _withdrawApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } // Claim on behalf function approveClaimOnBehalf(address delegate) external { _setApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } function removeClaimOnBehalf(address delegate) external { _withdrawApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } // Exchange on behalf function approveExchangeOnBehalf(address delegate) external { _setApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function removeExchangeOnBehalf(address delegate) external { _withdrawApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function _setApproval(bytes32 action, address authoriser, address delegate) internal { require(delegate != address(0), "Can't delegate to address(0)"); eternalStorage.setBooleanValue(_getKey(action, authoriser, delegate), true); emit Approval(authoriser, delegate, action); } function _withdrawApproval(bytes32 action, address authoriser, address delegate) internal { // Check approval is set otherwise skip deleting approval if (eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate))) { eternalStorage.deleteBooleanValue(_getKey(action, authoriser, delegate)); emit WithdrawApproval(authoriser, delegate, action); } } function setEternalStorage(EternalStorage _eternalStorage) external onlyOwner { require(_eternalStorage != address(0), "Can't set eternalStorage to address(0)"); eternalStorage = _eternalStorage; emit EternalStorageUpdated(eternalStorage); } /* ========== EVENTS ========== */ event Approval(address indexed authoriser, address delegate, bytes32 action); event WithdrawApproval(address indexed authoriser, address delegate, bytes32 action); event EternalStorageUpdated(address newEternalStorage); }
// https://docs.synthetix.io/contracts/DelegateApprovals
LineComment
_getKey
function _getKey(bytes32 _action, address _authoriser, address _delegate) internal pure returns (bytes32) { return keccak256(abi.encodePacked(_action, _authoriser, _delegate)); }
// Move it to setter and associatedState // util to get key based on action name + address of authoriser + address for delegate
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 1118, 1312 ] }
180
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
DelegateApprovals
contract DelegateApprovals is Owned { bytes32 public constant BURN_FOR_ADDRESS = "BurnForAddress"; bytes32 public constant ISSUE_FOR_ADDRESS = "IssueForAddress"; bytes32 public constant CLAIM_FOR_ADDRESS = "ClaimForAddress"; bytes32 public constant EXCHANGE_FOR_ADDRESS = "ExchangeForAddress"; bytes32 public constant APPROVE_ALL = "ApproveAll"; bytes32[5] private _delegatableFunctions = [ APPROVE_ALL, BURN_FOR_ADDRESS, ISSUE_FOR_ADDRESS, CLAIM_FOR_ADDRESS, EXCHANGE_FOR_ADDRESS ]; /* ========== STATE VARIABLES ========== */ EternalStorage public eternalStorage; /** * @dev Constructor * @param _owner The address which controls this contract. * @param _eternalStorage The eternalStorage address. */ constructor(address _owner, EternalStorage _eternalStorage) public Owned(_owner) { eternalStorage = _eternalStorage; } /* ========== VIEWS ========== */ // Move it to setter and associatedState // util to get key based on action name + address of authoriser + address for delegate function _getKey(bytes32 _action, address _authoriser, address _delegate) internal pure returns (bytes32) { return keccak256(abi.encodePacked(_action, _authoriser, _delegate)); } // hash of actionName + address of authoriser + address for the delegate function canBurnFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(BURN_FOR_ADDRESS, authoriser, delegate); } function canIssueFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(ISSUE_FOR_ADDRESS, authoriser, delegate); } function canClaimFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(CLAIM_FOR_ADDRESS, authoriser, delegate); } function canExchangeFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(EXCHANGE_FOR_ADDRESS, authoriser, delegate); } function approvedAll(address authoriser, address delegate) public view returns (bool) { return eternalStorage.getBooleanValue(_getKey(APPROVE_ALL, authoriser, delegate)); } // internal function to check approval based on action // if approved for all actions then will return true // before checking specific approvals function _checkApproval(bytes32 action, address authoriser, address delegate) internal view returns (bool) { if (approvedAll(authoriser, delegate)) return true; return eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate)); } /* ========== SETTERS ========== */ // Approve All function approveAllDelegatePowers(address delegate) external { _setApproval(APPROVE_ALL, msg.sender, delegate); } // Removes all delegate approvals function removeAllDelegatePowers(address delegate) external { for (uint i = 0; i < _delegatableFunctions.length; i++) { _withdrawApproval(_delegatableFunctions[i], msg.sender, delegate); } } // Burn on behalf function approveBurnOnBehalf(address delegate) external { _setApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } function removeBurnOnBehalf(address delegate) external { _withdrawApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } // Issue on behalf function approveIssueOnBehalf(address delegate) external { _setApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } function removeIssueOnBehalf(address delegate) external { _withdrawApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } // Claim on behalf function approveClaimOnBehalf(address delegate) external { _setApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } function removeClaimOnBehalf(address delegate) external { _withdrawApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } // Exchange on behalf function approveExchangeOnBehalf(address delegate) external { _setApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function removeExchangeOnBehalf(address delegate) external { _withdrawApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function _setApproval(bytes32 action, address authoriser, address delegate) internal { require(delegate != address(0), "Can't delegate to address(0)"); eternalStorage.setBooleanValue(_getKey(action, authoriser, delegate), true); emit Approval(authoriser, delegate, action); } function _withdrawApproval(bytes32 action, address authoriser, address delegate) internal { // Check approval is set otherwise skip deleting approval if (eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate))) { eternalStorage.deleteBooleanValue(_getKey(action, authoriser, delegate)); emit WithdrawApproval(authoriser, delegate, action); } } function setEternalStorage(EternalStorage _eternalStorage) external onlyOwner { require(_eternalStorage != address(0), "Can't set eternalStorage to address(0)"); eternalStorage = _eternalStorage; emit EternalStorageUpdated(eternalStorage); } /* ========== EVENTS ========== */ event Approval(address indexed authoriser, address delegate, bytes32 action); event WithdrawApproval(address indexed authoriser, address delegate, bytes32 action); event EternalStorageUpdated(address newEternalStorage); }
// https://docs.synthetix.io/contracts/DelegateApprovals
LineComment
canBurnFor
function canBurnFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(BURN_FOR_ADDRESS, authoriser, delegate); }
// hash of actionName + address of authoriser + address for the delegate
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 1391, 1560 ] }
181
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
DelegateApprovals
contract DelegateApprovals is Owned { bytes32 public constant BURN_FOR_ADDRESS = "BurnForAddress"; bytes32 public constant ISSUE_FOR_ADDRESS = "IssueForAddress"; bytes32 public constant CLAIM_FOR_ADDRESS = "ClaimForAddress"; bytes32 public constant EXCHANGE_FOR_ADDRESS = "ExchangeForAddress"; bytes32 public constant APPROVE_ALL = "ApproveAll"; bytes32[5] private _delegatableFunctions = [ APPROVE_ALL, BURN_FOR_ADDRESS, ISSUE_FOR_ADDRESS, CLAIM_FOR_ADDRESS, EXCHANGE_FOR_ADDRESS ]; /* ========== STATE VARIABLES ========== */ EternalStorage public eternalStorage; /** * @dev Constructor * @param _owner The address which controls this contract. * @param _eternalStorage The eternalStorage address. */ constructor(address _owner, EternalStorage _eternalStorage) public Owned(_owner) { eternalStorage = _eternalStorage; } /* ========== VIEWS ========== */ // Move it to setter and associatedState // util to get key based on action name + address of authoriser + address for delegate function _getKey(bytes32 _action, address _authoriser, address _delegate) internal pure returns (bytes32) { return keccak256(abi.encodePacked(_action, _authoriser, _delegate)); } // hash of actionName + address of authoriser + address for the delegate function canBurnFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(BURN_FOR_ADDRESS, authoriser, delegate); } function canIssueFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(ISSUE_FOR_ADDRESS, authoriser, delegate); } function canClaimFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(CLAIM_FOR_ADDRESS, authoriser, delegate); } function canExchangeFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(EXCHANGE_FOR_ADDRESS, authoriser, delegate); } function approvedAll(address authoriser, address delegate) public view returns (bool) { return eternalStorage.getBooleanValue(_getKey(APPROVE_ALL, authoriser, delegate)); } // internal function to check approval based on action // if approved for all actions then will return true // before checking specific approvals function _checkApproval(bytes32 action, address authoriser, address delegate) internal view returns (bool) { if (approvedAll(authoriser, delegate)) return true; return eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate)); } /* ========== SETTERS ========== */ // Approve All function approveAllDelegatePowers(address delegate) external { _setApproval(APPROVE_ALL, msg.sender, delegate); } // Removes all delegate approvals function removeAllDelegatePowers(address delegate) external { for (uint i = 0; i < _delegatableFunctions.length; i++) { _withdrawApproval(_delegatableFunctions[i], msg.sender, delegate); } } // Burn on behalf function approveBurnOnBehalf(address delegate) external { _setApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } function removeBurnOnBehalf(address delegate) external { _withdrawApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } // Issue on behalf function approveIssueOnBehalf(address delegate) external { _setApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } function removeIssueOnBehalf(address delegate) external { _withdrawApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } // Claim on behalf function approveClaimOnBehalf(address delegate) external { _setApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } function removeClaimOnBehalf(address delegate) external { _withdrawApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } // Exchange on behalf function approveExchangeOnBehalf(address delegate) external { _setApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function removeExchangeOnBehalf(address delegate) external { _withdrawApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function _setApproval(bytes32 action, address authoriser, address delegate) internal { require(delegate != address(0), "Can't delegate to address(0)"); eternalStorage.setBooleanValue(_getKey(action, authoriser, delegate), true); emit Approval(authoriser, delegate, action); } function _withdrawApproval(bytes32 action, address authoriser, address delegate) internal { // Check approval is set otherwise skip deleting approval if (eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate))) { eternalStorage.deleteBooleanValue(_getKey(action, authoriser, delegate)); emit WithdrawApproval(authoriser, delegate, action); } } function setEternalStorage(EternalStorage _eternalStorage) external onlyOwner { require(_eternalStorage != address(0), "Can't set eternalStorage to address(0)"); eternalStorage = _eternalStorage; emit EternalStorageUpdated(eternalStorage); } /* ========== EVENTS ========== */ event Approval(address indexed authoriser, address delegate, bytes32 action); event WithdrawApproval(address indexed authoriser, address delegate, bytes32 action); event EternalStorageUpdated(address newEternalStorage); }
// https://docs.synthetix.io/contracts/DelegateApprovals
LineComment
_checkApproval
function _checkApproval(bytes32 action, address authoriser, address delegate) internal view returns (bool) { if (approvedAll(authoriser, delegate)) return true; return eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate)); }
// internal function to check approval based on action // if approved for all actions then will return true // before checking specific approvals
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 2435, 2700 ] }
182
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
DelegateApprovals
contract DelegateApprovals is Owned { bytes32 public constant BURN_FOR_ADDRESS = "BurnForAddress"; bytes32 public constant ISSUE_FOR_ADDRESS = "IssueForAddress"; bytes32 public constant CLAIM_FOR_ADDRESS = "ClaimForAddress"; bytes32 public constant EXCHANGE_FOR_ADDRESS = "ExchangeForAddress"; bytes32 public constant APPROVE_ALL = "ApproveAll"; bytes32[5] private _delegatableFunctions = [ APPROVE_ALL, BURN_FOR_ADDRESS, ISSUE_FOR_ADDRESS, CLAIM_FOR_ADDRESS, EXCHANGE_FOR_ADDRESS ]; /* ========== STATE VARIABLES ========== */ EternalStorage public eternalStorage; /** * @dev Constructor * @param _owner The address which controls this contract. * @param _eternalStorage The eternalStorage address. */ constructor(address _owner, EternalStorage _eternalStorage) public Owned(_owner) { eternalStorage = _eternalStorage; } /* ========== VIEWS ========== */ // Move it to setter and associatedState // util to get key based on action name + address of authoriser + address for delegate function _getKey(bytes32 _action, address _authoriser, address _delegate) internal pure returns (bytes32) { return keccak256(abi.encodePacked(_action, _authoriser, _delegate)); } // hash of actionName + address of authoriser + address for the delegate function canBurnFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(BURN_FOR_ADDRESS, authoriser, delegate); } function canIssueFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(ISSUE_FOR_ADDRESS, authoriser, delegate); } function canClaimFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(CLAIM_FOR_ADDRESS, authoriser, delegate); } function canExchangeFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(EXCHANGE_FOR_ADDRESS, authoriser, delegate); } function approvedAll(address authoriser, address delegate) public view returns (bool) { return eternalStorage.getBooleanValue(_getKey(APPROVE_ALL, authoriser, delegate)); } // internal function to check approval based on action // if approved for all actions then will return true // before checking specific approvals function _checkApproval(bytes32 action, address authoriser, address delegate) internal view returns (bool) { if (approvedAll(authoriser, delegate)) return true; return eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate)); } /* ========== SETTERS ========== */ // Approve All function approveAllDelegatePowers(address delegate) external { _setApproval(APPROVE_ALL, msg.sender, delegate); } // Removes all delegate approvals function removeAllDelegatePowers(address delegate) external { for (uint i = 0; i < _delegatableFunctions.length; i++) { _withdrawApproval(_delegatableFunctions[i], msg.sender, delegate); } } // Burn on behalf function approveBurnOnBehalf(address delegate) external { _setApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } function removeBurnOnBehalf(address delegate) external { _withdrawApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } // Issue on behalf function approveIssueOnBehalf(address delegate) external { _setApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } function removeIssueOnBehalf(address delegate) external { _withdrawApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } // Claim on behalf function approveClaimOnBehalf(address delegate) external { _setApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } function removeClaimOnBehalf(address delegate) external { _withdrawApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } // Exchange on behalf function approveExchangeOnBehalf(address delegate) external { _setApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function removeExchangeOnBehalf(address delegate) external { _withdrawApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function _setApproval(bytes32 action, address authoriser, address delegate) internal { require(delegate != address(0), "Can't delegate to address(0)"); eternalStorage.setBooleanValue(_getKey(action, authoriser, delegate), true); emit Approval(authoriser, delegate, action); } function _withdrawApproval(bytes32 action, address authoriser, address delegate) internal { // Check approval is set otherwise skip deleting approval if (eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate))) { eternalStorage.deleteBooleanValue(_getKey(action, authoriser, delegate)); emit WithdrawApproval(authoriser, delegate, action); } } function setEternalStorage(EternalStorage _eternalStorage) external onlyOwner { require(_eternalStorage != address(0), "Can't set eternalStorage to address(0)"); eternalStorage = _eternalStorage; emit EternalStorageUpdated(eternalStorage); } /* ========== EVENTS ========== */ event Approval(address indexed authoriser, address delegate, bytes32 action); event WithdrawApproval(address indexed authoriser, address delegate, bytes32 action); event EternalStorageUpdated(address newEternalStorage); }
// https://docs.synthetix.io/contracts/DelegateApprovals
LineComment
approveAllDelegatePowers
function approveAllDelegatePowers(address delegate) external { _setApproval(APPROVE_ALL, msg.sender, delegate); }
// Approve All
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 2762, 2891 ] }
183
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
DelegateApprovals
contract DelegateApprovals is Owned { bytes32 public constant BURN_FOR_ADDRESS = "BurnForAddress"; bytes32 public constant ISSUE_FOR_ADDRESS = "IssueForAddress"; bytes32 public constant CLAIM_FOR_ADDRESS = "ClaimForAddress"; bytes32 public constant EXCHANGE_FOR_ADDRESS = "ExchangeForAddress"; bytes32 public constant APPROVE_ALL = "ApproveAll"; bytes32[5] private _delegatableFunctions = [ APPROVE_ALL, BURN_FOR_ADDRESS, ISSUE_FOR_ADDRESS, CLAIM_FOR_ADDRESS, EXCHANGE_FOR_ADDRESS ]; /* ========== STATE VARIABLES ========== */ EternalStorage public eternalStorage; /** * @dev Constructor * @param _owner The address which controls this contract. * @param _eternalStorage The eternalStorage address. */ constructor(address _owner, EternalStorage _eternalStorage) public Owned(_owner) { eternalStorage = _eternalStorage; } /* ========== VIEWS ========== */ // Move it to setter and associatedState // util to get key based on action name + address of authoriser + address for delegate function _getKey(bytes32 _action, address _authoriser, address _delegate) internal pure returns (bytes32) { return keccak256(abi.encodePacked(_action, _authoriser, _delegate)); } // hash of actionName + address of authoriser + address for the delegate function canBurnFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(BURN_FOR_ADDRESS, authoriser, delegate); } function canIssueFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(ISSUE_FOR_ADDRESS, authoriser, delegate); } function canClaimFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(CLAIM_FOR_ADDRESS, authoriser, delegate); } function canExchangeFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(EXCHANGE_FOR_ADDRESS, authoriser, delegate); } function approvedAll(address authoriser, address delegate) public view returns (bool) { return eternalStorage.getBooleanValue(_getKey(APPROVE_ALL, authoriser, delegate)); } // internal function to check approval based on action // if approved for all actions then will return true // before checking specific approvals function _checkApproval(bytes32 action, address authoriser, address delegate) internal view returns (bool) { if (approvedAll(authoriser, delegate)) return true; return eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate)); } /* ========== SETTERS ========== */ // Approve All function approveAllDelegatePowers(address delegate) external { _setApproval(APPROVE_ALL, msg.sender, delegate); } // Removes all delegate approvals function removeAllDelegatePowers(address delegate) external { for (uint i = 0; i < _delegatableFunctions.length; i++) { _withdrawApproval(_delegatableFunctions[i], msg.sender, delegate); } } // Burn on behalf function approveBurnOnBehalf(address delegate) external { _setApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } function removeBurnOnBehalf(address delegate) external { _withdrawApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } // Issue on behalf function approveIssueOnBehalf(address delegate) external { _setApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } function removeIssueOnBehalf(address delegate) external { _withdrawApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } // Claim on behalf function approveClaimOnBehalf(address delegate) external { _setApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } function removeClaimOnBehalf(address delegate) external { _withdrawApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } // Exchange on behalf function approveExchangeOnBehalf(address delegate) external { _setApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function removeExchangeOnBehalf(address delegate) external { _withdrawApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function _setApproval(bytes32 action, address authoriser, address delegate) internal { require(delegate != address(0), "Can't delegate to address(0)"); eternalStorage.setBooleanValue(_getKey(action, authoriser, delegate), true); emit Approval(authoriser, delegate, action); } function _withdrawApproval(bytes32 action, address authoriser, address delegate) internal { // Check approval is set otherwise skip deleting approval if (eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate))) { eternalStorage.deleteBooleanValue(_getKey(action, authoriser, delegate)); emit WithdrawApproval(authoriser, delegate, action); } } function setEternalStorage(EternalStorage _eternalStorage) external onlyOwner { require(_eternalStorage != address(0), "Can't set eternalStorage to address(0)"); eternalStorage = _eternalStorage; emit EternalStorageUpdated(eternalStorage); } /* ========== EVENTS ========== */ event Approval(address indexed authoriser, address delegate, bytes32 action); event WithdrawApproval(address indexed authoriser, address delegate, bytes32 action); event EternalStorageUpdated(address newEternalStorage); }
// https://docs.synthetix.io/contracts/DelegateApprovals
LineComment
removeAllDelegatePowers
function removeAllDelegatePowers(address delegate) external { for (uint i = 0; i < _delegatableFunctions.length; i++) { _withdrawApproval(_delegatableFunctions[i], msg.sender, delegate); } }
// Removes all delegate approvals
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 2931, 3157 ] }
184
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
DelegateApprovals
contract DelegateApprovals is Owned { bytes32 public constant BURN_FOR_ADDRESS = "BurnForAddress"; bytes32 public constant ISSUE_FOR_ADDRESS = "IssueForAddress"; bytes32 public constant CLAIM_FOR_ADDRESS = "ClaimForAddress"; bytes32 public constant EXCHANGE_FOR_ADDRESS = "ExchangeForAddress"; bytes32 public constant APPROVE_ALL = "ApproveAll"; bytes32[5] private _delegatableFunctions = [ APPROVE_ALL, BURN_FOR_ADDRESS, ISSUE_FOR_ADDRESS, CLAIM_FOR_ADDRESS, EXCHANGE_FOR_ADDRESS ]; /* ========== STATE VARIABLES ========== */ EternalStorage public eternalStorage; /** * @dev Constructor * @param _owner The address which controls this contract. * @param _eternalStorage The eternalStorage address. */ constructor(address _owner, EternalStorage _eternalStorage) public Owned(_owner) { eternalStorage = _eternalStorage; } /* ========== VIEWS ========== */ // Move it to setter and associatedState // util to get key based on action name + address of authoriser + address for delegate function _getKey(bytes32 _action, address _authoriser, address _delegate) internal pure returns (bytes32) { return keccak256(abi.encodePacked(_action, _authoriser, _delegate)); } // hash of actionName + address of authoriser + address for the delegate function canBurnFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(BURN_FOR_ADDRESS, authoriser, delegate); } function canIssueFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(ISSUE_FOR_ADDRESS, authoriser, delegate); } function canClaimFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(CLAIM_FOR_ADDRESS, authoriser, delegate); } function canExchangeFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(EXCHANGE_FOR_ADDRESS, authoriser, delegate); } function approvedAll(address authoriser, address delegate) public view returns (bool) { return eternalStorage.getBooleanValue(_getKey(APPROVE_ALL, authoriser, delegate)); } // internal function to check approval based on action // if approved for all actions then will return true // before checking specific approvals function _checkApproval(bytes32 action, address authoriser, address delegate) internal view returns (bool) { if (approvedAll(authoriser, delegate)) return true; return eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate)); } /* ========== SETTERS ========== */ // Approve All function approveAllDelegatePowers(address delegate) external { _setApproval(APPROVE_ALL, msg.sender, delegate); } // Removes all delegate approvals function removeAllDelegatePowers(address delegate) external { for (uint i = 0; i < _delegatableFunctions.length; i++) { _withdrawApproval(_delegatableFunctions[i], msg.sender, delegate); } } // Burn on behalf function approveBurnOnBehalf(address delegate) external { _setApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } function removeBurnOnBehalf(address delegate) external { _withdrawApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } // Issue on behalf function approveIssueOnBehalf(address delegate) external { _setApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } function removeIssueOnBehalf(address delegate) external { _withdrawApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } // Claim on behalf function approveClaimOnBehalf(address delegate) external { _setApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } function removeClaimOnBehalf(address delegate) external { _withdrawApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } // Exchange on behalf function approveExchangeOnBehalf(address delegate) external { _setApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function removeExchangeOnBehalf(address delegate) external { _withdrawApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function _setApproval(bytes32 action, address authoriser, address delegate) internal { require(delegate != address(0), "Can't delegate to address(0)"); eternalStorage.setBooleanValue(_getKey(action, authoriser, delegate), true); emit Approval(authoriser, delegate, action); } function _withdrawApproval(bytes32 action, address authoriser, address delegate) internal { // Check approval is set otherwise skip deleting approval if (eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate))) { eternalStorage.deleteBooleanValue(_getKey(action, authoriser, delegate)); emit WithdrawApproval(authoriser, delegate, action); } } function setEternalStorage(EternalStorage _eternalStorage) external onlyOwner { require(_eternalStorage != address(0), "Can't set eternalStorage to address(0)"); eternalStorage = _eternalStorage; emit EternalStorageUpdated(eternalStorage); } /* ========== EVENTS ========== */ event Approval(address indexed authoriser, address delegate, bytes32 action); event WithdrawApproval(address indexed authoriser, address delegate, bytes32 action); event EternalStorageUpdated(address newEternalStorage); }
// https://docs.synthetix.io/contracts/DelegateApprovals
LineComment
approveBurnOnBehalf
function approveBurnOnBehalf(address delegate) external { _setApproval(BURN_FOR_ADDRESS, msg.sender, delegate); }
// Burn on behalf
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 3181, 3310 ] }
185
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
DelegateApprovals
contract DelegateApprovals is Owned { bytes32 public constant BURN_FOR_ADDRESS = "BurnForAddress"; bytes32 public constant ISSUE_FOR_ADDRESS = "IssueForAddress"; bytes32 public constant CLAIM_FOR_ADDRESS = "ClaimForAddress"; bytes32 public constant EXCHANGE_FOR_ADDRESS = "ExchangeForAddress"; bytes32 public constant APPROVE_ALL = "ApproveAll"; bytes32[5] private _delegatableFunctions = [ APPROVE_ALL, BURN_FOR_ADDRESS, ISSUE_FOR_ADDRESS, CLAIM_FOR_ADDRESS, EXCHANGE_FOR_ADDRESS ]; /* ========== STATE VARIABLES ========== */ EternalStorage public eternalStorage; /** * @dev Constructor * @param _owner The address which controls this contract. * @param _eternalStorage The eternalStorage address. */ constructor(address _owner, EternalStorage _eternalStorage) public Owned(_owner) { eternalStorage = _eternalStorage; } /* ========== VIEWS ========== */ // Move it to setter and associatedState // util to get key based on action name + address of authoriser + address for delegate function _getKey(bytes32 _action, address _authoriser, address _delegate) internal pure returns (bytes32) { return keccak256(abi.encodePacked(_action, _authoriser, _delegate)); } // hash of actionName + address of authoriser + address for the delegate function canBurnFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(BURN_FOR_ADDRESS, authoriser, delegate); } function canIssueFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(ISSUE_FOR_ADDRESS, authoriser, delegate); } function canClaimFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(CLAIM_FOR_ADDRESS, authoriser, delegate); } function canExchangeFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(EXCHANGE_FOR_ADDRESS, authoriser, delegate); } function approvedAll(address authoriser, address delegate) public view returns (bool) { return eternalStorage.getBooleanValue(_getKey(APPROVE_ALL, authoriser, delegate)); } // internal function to check approval based on action // if approved for all actions then will return true // before checking specific approvals function _checkApproval(bytes32 action, address authoriser, address delegate) internal view returns (bool) { if (approvedAll(authoriser, delegate)) return true; return eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate)); } /* ========== SETTERS ========== */ // Approve All function approveAllDelegatePowers(address delegate) external { _setApproval(APPROVE_ALL, msg.sender, delegate); } // Removes all delegate approvals function removeAllDelegatePowers(address delegate) external { for (uint i = 0; i < _delegatableFunctions.length; i++) { _withdrawApproval(_delegatableFunctions[i], msg.sender, delegate); } } // Burn on behalf function approveBurnOnBehalf(address delegate) external { _setApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } function removeBurnOnBehalf(address delegate) external { _withdrawApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } // Issue on behalf function approveIssueOnBehalf(address delegate) external { _setApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } function removeIssueOnBehalf(address delegate) external { _withdrawApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } // Claim on behalf function approveClaimOnBehalf(address delegate) external { _setApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } function removeClaimOnBehalf(address delegate) external { _withdrawApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } // Exchange on behalf function approveExchangeOnBehalf(address delegate) external { _setApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function removeExchangeOnBehalf(address delegate) external { _withdrawApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function _setApproval(bytes32 action, address authoriser, address delegate) internal { require(delegate != address(0), "Can't delegate to address(0)"); eternalStorage.setBooleanValue(_getKey(action, authoriser, delegate), true); emit Approval(authoriser, delegate, action); } function _withdrawApproval(bytes32 action, address authoriser, address delegate) internal { // Check approval is set otherwise skip deleting approval if (eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate))) { eternalStorage.deleteBooleanValue(_getKey(action, authoriser, delegate)); emit WithdrawApproval(authoriser, delegate, action); } } function setEternalStorage(EternalStorage _eternalStorage) external onlyOwner { require(_eternalStorage != address(0), "Can't set eternalStorage to address(0)"); eternalStorage = _eternalStorage; emit EternalStorageUpdated(eternalStorage); } /* ========== EVENTS ========== */ event Approval(address indexed authoriser, address delegate, bytes32 action); event WithdrawApproval(address indexed authoriser, address delegate, bytes32 action); event EternalStorageUpdated(address newEternalStorage); }
// https://docs.synthetix.io/contracts/DelegateApprovals
LineComment
approveIssueOnBehalf
function approveIssueOnBehalf(address delegate) external { _setApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); }
// Issue on behalf
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 3470, 3601 ] }
186
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
DelegateApprovals
contract DelegateApprovals is Owned { bytes32 public constant BURN_FOR_ADDRESS = "BurnForAddress"; bytes32 public constant ISSUE_FOR_ADDRESS = "IssueForAddress"; bytes32 public constant CLAIM_FOR_ADDRESS = "ClaimForAddress"; bytes32 public constant EXCHANGE_FOR_ADDRESS = "ExchangeForAddress"; bytes32 public constant APPROVE_ALL = "ApproveAll"; bytes32[5] private _delegatableFunctions = [ APPROVE_ALL, BURN_FOR_ADDRESS, ISSUE_FOR_ADDRESS, CLAIM_FOR_ADDRESS, EXCHANGE_FOR_ADDRESS ]; /* ========== STATE VARIABLES ========== */ EternalStorage public eternalStorage; /** * @dev Constructor * @param _owner The address which controls this contract. * @param _eternalStorage The eternalStorage address. */ constructor(address _owner, EternalStorage _eternalStorage) public Owned(_owner) { eternalStorage = _eternalStorage; } /* ========== VIEWS ========== */ // Move it to setter and associatedState // util to get key based on action name + address of authoriser + address for delegate function _getKey(bytes32 _action, address _authoriser, address _delegate) internal pure returns (bytes32) { return keccak256(abi.encodePacked(_action, _authoriser, _delegate)); } // hash of actionName + address of authoriser + address for the delegate function canBurnFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(BURN_FOR_ADDRESS, authoriser, delegate); } function canIssueFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(ISSUE_FOR_ADDRESS, authoriser, delegate); } function canClaimFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(CLAIM_FOR_ADDRESS, authoriser, delegate); } function canExchangeFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(EXCHANGE_FOR_ADDRESS, authoriser, delegate); } function approvedAll(address authoriser, address delegate) public view returns (bool) { return eternalStorage.getBooleanValue(_getKey(APPROVE_ALL, authoriser, delegate)); } // internal function to check approval based on action // if approved for all actions then will return true // before checking specific approvals function _checkApproval(bytes32 action, address authoriser, address delegate) internal view returns (bool) { if (approvedAll(authoriser, delegate)) return true; return eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate)); } /* ========== SETTERS ========== */ // Approve All function approveAllDelegatePowers(address delegate) external { _setApproval(APPROVE_ALL, msg.sender, delegate); } // Removes all delegate approvals function removeAllDelegatePowers(address delegate) external { for (uint i = 0; i < _delegatableFunctions.length; i++) { _withdrawApproval(_delegatableFunctions[i], msg.sender, delegate); } } // Burn on behalf function approveBurnOnBehalf(address delegate) external { _setApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } function removeBurnOnBehalf(address delegate) external { _withdrawApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } // Issue on behalf function approveIssueOnBehalf(address delegate) external { _setApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } function removeIssueOnBehalf(address delegate) external { _withdrawApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } // Claim on behalf function approveClaimOnBehalf(address delegate) external { _setApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } function removeClaimOnBehalf(address delegate) external { _withdrawApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } // Exchange on behalf function approveExchangeOnBehalf(address delegate) external { _setApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function removeExchangeOnBehalf(address delegate) external { _withdrawApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function _setApproval(bytes32 action, address authoriser, address delegate) internal { require(delegate != address(0), "Can't delegate to address(0)"); eternalStorage.setBooleanValue(_getKey(action, authoriser, delegate), true); emit Approval(authoriser, delegate, action); } function _withdrawApproval(bytes32 action, address authoriser, address delegate) internal { // Check approval is set otherwise skip deleting approval if (eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate))) { eternalStorage.deleteBooleanValue(_getKey(action, authoriser, delegate)); emit WithdrawApproval(authoriser, delegate, action); } } function setEternalStorage(EternalStorage _eternalStorage) external onlyOwner { require(_eternalStorage != address(0), "Can't set eternalStorage to address(0)"); eternalStorage = _eternalStorage; emit EternalStorageUpdated(eternalStorage); } /* ========== EVENTS ========== */ event Approval(address indexed authoriser, address delegate, bytes32 action); event WithdrawApproval(address indexed authoriser, address delegate, bytes32 action); event EternalStorageUpdated(address newEternalStorage); }
// https://docs.synthetix.io/contracts/DelegateApprovals
LineComment
approveClaimOnBehalf
function approveClaimOnBehalf(address delegate) external { _setApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); }
// Claim on behalf
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 3763, 3894 ] }
187
DelegateApprovals
DelegateApprovals.sol
0x15fd6e554874b9e70f832ed37f231ac5e142362f
Solidity
DelegateApprovals
contract DelegateApprovals is Owned { bytes32 public constant BURN_FOR_ADDRESS = "BurnForAddress"; bytes32 public constant ISSUE_FOR_ADDRESS = "IssueForAddress"; bytes32 public constant CLAIM_FOR_ADDRESS = "ClaimForAddress"; bytes32 public constant EXCHANGE_FOR_ADDRESS = "ExchangeForAddress"; bytes32 public constant APPROVE_ALL = "ApproveAll"; bytes32[5] private _delegatableFunctions = [ APPROVE_ALL, BURN_FOR_ADDRESS, ISSUE_FOR_ADDRESS, CLAIM_FOR_ADDRESS, EXCHANGE_FOR_ADDRESS ]; /* ========== STATE VARIABLES ========== */ EternalStorage public eternalStorage; /** * @dev Constructor * @param _owner The address which controls this contract. * @param _eternalStorage The eternalStorage address. */ constructor(address _owner, EternalStorage _eternalStorage) public Owned(_owner) { eternalStorage = _eternalStorage; } /* ========== VIEWS ========== */ // Move it to setter and associatedState // util to get key based on action name + address of authoriser + address for delegate function _getKey(bytes32 _action, address _authoriser, address _delegate) internal pure returns (bytes32) { return keccak256(abi.encodePacked(_action, _authoriser, _delegate)); } // hash of actionName + address of authoriser + address for the delegate function canBurnFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(BURN_FOR_ADDRESS, authoriser, delegate); } function canIssueFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(ISSUE_FOR_ADDRESS, authoriser, delegate); } function canClaimFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(CLAIM_FOR_ADDRESS, authoriser, delegate); } function canExchangeFor(address authoriser, address delegate) external view returns (bool) { return _checkApproval(EXCHANGE_FOR_ADDRESS, authoriser, delegate); } function approvedAll(address authoriser, address delegate) public view returns (bool) { return eternalStorage.getBooleanValue(_getKey(APPROVE_ALL, authoriser, delegate)); } // internal function to check approval based on action // if approved for all actions then will return true // before checking specific approvals function _checkApproval(bytes32 action, address authoriser, address delegate) internal view returns (bool) { if (approvedAll(authoriser, delegate)) return true; return eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate)); } /* ========== SETTERS ========== */ // Approve All function approveAllDelegatePowers(address delegate) external { _setApproval(APPROVE_ALL, msg.sender, delegate); } // Removes all delegate approvals function removeAllDelegatePowers(address delegate) external { for (uint i = 0; i < _delegatableFunctions.length; i++) { _withdrawApproval(_delegatableFunctions[i], msg.sender, delegate); } } // Burn on behalf function approveBurnOnBehalf(address delegate) external { _setApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } function removeBurnOnBehalf(address delegate) external { _withdrawApproval(BURN_FOR_ADDRESS, msg.sender, delegate); } // Issue on behalf function approveIssueOnBehalf(address delegate) external { _setApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } function removeIssueOnBehalf(address delegate) external { _withdrawApproval(ISSUE_FOR_ADDRESS, msg.sender, delegate); } // Claim on behalf function approveClaimOnBehalf(address delegate) external { _setApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } function removeClaimOnBehalf(address delegate) external { _withdrawApproval(CLAIM_FOR_ADDRESS, msg.sender, delegate); } // Exchange on behalf function approveExchangeOnBehalf(address delegate) external { _setApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function removeExchangeOnBehalf(address delegate) external { _withdrawApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); } function _setApproval(bytes32 action, address authoriser, address delegate) internal { require(delegate != address(0), "Can't delegate to address(0)"); eternalStorage.setBooleanValue(_getKey(action, authoriser, delegate), true); emit Approval(authoriser, delegate, action); } function _withdrawApproval(bytes32 action, address authoriser, address delegate) internal { // Check approval is set otherwise skip deleting approval if (eternalStorage.getBooleanValue(_getKey(action, authoriser, delegate))) { eternalStorage.deleteBooleanValue(_getKey(action, authoriser, delegate)); emit WithdrawApproval(authoriser, delegate, action); } } function setEternalStorage(EternalStorage _eternalStorage) external onlyOwner { require(_eternalStorage != address(0), "Can't set eternalStorage to address(0)"); eternalStorage = _eternalStorage; emit EternalStorageUpdated(eternalStorage); } /* ========== EVENTS ========== */ event Approval(address indexed authoriser, address delegate, bytes32 action); event WithdrawApproval(address indexed authoriser, address delegate, bytes32 action); event EternalStorageUpdated(address newEternalStorage); }
// https://docs.synthetix.io/contracts/DelegateApprovals
LineComment
approveExchangeOnBehalf
function approveExchangeOnBehalf(address delegate) external { _setApproval(EXCHANGE_FOR_ADDRESS, msg.sender, delegate); }
// Exchange on behalf
LineComment
v0.4.25+commit.59dbf8f1
{ "func_code_index": [ 4059, 4196 ] }
188
BlackSnail
BlackSnail.sol
0xfe17e67e1b2a69c24a4643442185ec821be0643a
Solidity
Owned
contract Owned { /* Адрес владельца контракта*/ address owner; /* Конструктор контракта, вызывается при первом запуске */ function Owned() { owner = msg.sender; } /* Изменить владельца контракта, newOwner - адрес нового владельца */ function changeOwner(address newOwner) onlyowner { owner = newOwner; } /* Модификатор для ограничения доступа к функциям только для владельца */ modifier onlyowner() { if (msg.sender==owner) _; } /* Удалить контракт */ function kill() onlyowner { if (msg.sender == owner) suicide(owner); } }
/* Родительский контракт */
Comment
Owned
function Owned() { owner = msg.sender; }
/* Конструктор контракта, вызывается при первом запуске */
Comment
v0.4.13+commit.fb4cb1a
bzzr://a6ea5b206aa0c5d0c21fe7b31ef1d139aa70f0c650be1bbb25ce22ccd163880f
{ "func_code_index": [ 142, 201 ] }
189
BlackSnail
BlackSnail.sol
0xfe17e67e1b2a69c24a4643442185ec821be0643a
Solidity
Owned
contract Owned { /* Адрес владельца контракта*/ address owner; /* Конструктор контракта, вызывается при первом запуске */ function Owned() { owner = msg.sender; } /* Изменить владельца контракта, newOwner - адрес нового владельца */ function changeOwner(address newOwner) onlyowner { owner = newOwner; } /* Модификатор для ограничения доступа к функциям только для владельца */ modifier onlyowner() { if (msg.sender==owner) _; } /* Удалить контракт */ function kill() onlyowner { if (msg.sender == owner) suicide(owner); } }
/* Родительский контракт */
Comment
changeOwner
function changeOwner(address newOwner) onlyowner { owner = newOwner; }
/* Изменить владельца контракта, newOwner - адрес нового владельца */
Comment
v0.4.13+commit.fb4cb1a
bzzr://a6ea5b206aa0c5d0c21fe7b31ef1d139aa70f0c650be1bbb25ce22ccd163880f
{ "func_code_index": [ 279, 368 ] }
190
BlackSnail
BlackSnail.sol
0xfe17e67e1b2a69c24a4643442185ec821be0643a
Solidity
Owned
contract Owned { /* Адрес владельца контракта*/ address owner; /* Конструктор контракта, вызывается при первом запуске */ function Owned() { owner = msg.sender; } /* Изменить владельца контракта, newOwner - адрес нового владельца */ function changeOwner(address newOwner) onlyowner { owner = newOwner; } /* Модификатор для ограничения доступа к функциям только для владельца */ modifier onlyowner() { if (msg.sender==owner) _; } /* Удалить контракт */ function kill() onlyowner { if (msg.sender == owner) suicide(owner); } }
/* Родительский контракт */
Comment
kill
function kill() onlyowner { if (msg.sender == owner) suicide(owner); }
/* Удалить контракт */
Comment
v0.4.13+commit.fb4cb1a
bzzr://a6ea5b206aa0c5d0c21fe7b31ef1d139aa70f0c650be1bbb25ce22ccd163880f
{ "func_code_index": [ 550, 639 ] }
191
BlackSnail
BlackSnail.sol
0xfe17e67e1b2a69c24a4643442185ec821be0643a
Solidity
Token
contract Token is Owned { /// Общее кол-во токенов uint256 public totalSupply; /// @param _owner адрес, с которого будет получен баланс /// @return Баланс function balanceOf(address _owner) constant returns (uint256 balance); /// @notice Отправить кол-во `_value` токенов на адрес `_to` с адреса `msg.sender` /// @param _to Адрес получателя /// @param _value Кол-во токенов для отправки /// @return Была ли отправка успешной или нет function transfer(address _to, uint256 _value) returns (bool success); /// @notice Отправить кол-во `_value` токенов на адрес `_to` с адреса `_from` при условии что это подтверждено отправителем `_from` /// @param _from Адрес отправителя /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) returns (bool success); /// @notice Вызывающий функции `msg.sender` подтверждает что с адреса `_spender` спишется `_value` токенов /// @param _spender Адрес аккаунта, с которого возможно списать токены /// @param _value Кол-во токенов к подтверждению для отправки /// @return Было ли подтверждение успешным или нет function approve(address _spender, uint256 _value) returns (bool success); /// @param _owner Адрес аккаунта владеющего токенами /// @param _spender Адрес аккаунта, с которого возможно списать токены /// @return Кол-во оставшихся токенов разрешённых для отправки function allowance(address _owner, address _spender) constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); }
// Абстрактный контракт для токена стандарта ERC 20 // https://github.com/ethereum/EIPs/issues/20
LineComment
balanceOf
function balanceOf(address _owner) constant returns (uint256 balance);
/// @param _owner адрес, с которого будет получен баланс /// @return Баланс
NatSpecSingleLine
v0.4.13+commit.fb4cb1a
bzzr://a6ea5b206aa0c5d0c21fe7b31ef1d139aa70f0c650be1bbb25ce22ccd163880f
{ "func_code_index": [ 180, 255 ] }
192
BlackSnail
BlackSnail.sol
0xfe17e67e1b2a69c24a4643442185ec821be0643a
Solidity
Token
contract Token is Owned { /// Общее кол-во токенов uint256 public totalSupply; /// @param _owner адрес, с которого будет получен баланс /// @return Баланс function balanceOf(address _owner) constant returns (uint256 balance); /// @notice Отправить кол-во `_value` токенов на адрес `_to` с адреса `msg.sender` /// @param _to Адрес получателя /// @param _value Кол-во токенов для отправки /// @return Была ли отправка успешной или нет function transfer(address _to, uint256 _value) returns (bool success); /// @notice Отправить кол-во `_value` токенов на адрес `_to` с адреса `_from` при условии что это подтверждено отправителем `_from` /// @param _from Адрес отправителя /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) returns (bool success); /// @notice Вызывающий функции `msg.sender` подтверждает что с адреса `_spender` спишется `_value` токенов /// @param _spender Адрес аккаунта, с которого возможно списать токены /// @param _value Кол-во токенов к подтверждению для отправки /// @return Было ли подтверждение успешным или нет function approve(address _spender, uint256 _value) returns (bool success); /// @param _owner Адрес аккаунта владеющего токенами /// @param _spender Адрес аккаунта, с которого возможно списать токены /// @return Кол-во оставшихся токенов разрешённых для отправки function allowance(address _owner, address _spender) constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); }
// Абстрактный контракт для токена стандарта ERC 20 // https://github.com/ethereum/EIPs/issues/20
LineComment
transfer
function transfer(address _to, uint256 _value) returns (bool success);
/// @notice Отправить кол-во `_value` токенов на адрес `_to` с адреса `msg.sender` /// @param _to Адрес получателя /// @param _value Кол-во токенов для отправки /// @return Была ли отправка успешной или нет
NatSpecSingleLine
v0.4.13+commit.fb4cb1a
bzzr://a6ea5b206aa0c5d0c21fe7b31ef1d139aa70f0c650be1bbb25ce22ccd163880f
{ "func_code_index": [ 485, 560 ] }
193
BlackSnail
BlackSnail.sol
0xfe17e67e1b2a69c24a4643442185ec821be0643a
Solidity
Token
contract Token is Owned { /// Общее кол-во токенов uint256 public totalSupply; /// @param _owner адрес, с которого будет получен баланс /// @return Баланс function balanceOf(address _owner) constant returns (uint256 balance); /// @notice Отправить кол-во `_value` токенов на адрес `_to` с адреса `msg.sender` /// @param _to Адрес получателя /// @param _value Кол-во токенов для отправки /// @return Была ли отправка успешной или нет function transfer(address _to, uint256 _value) returns (bool success); /// @notice Отправить кол-во `_value` токенов на адрес `_to` с адреса `_from` при условии что это подтверждено отправителем `_from` /// @param _from Адрес отправителя /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) returns (bool success); /// @notice Вызывающий функции `msg.sender` подтверждает что с адреса `_spender` спишется `_value` токенов /// @param _spender Адрес аккаунта, с которого возможно списать токены /// @param _value Кол-во токенов к подтверждению для отправки /// @return Было ли подтверждение успешным или нет function approve(address _spender, uint256 _value) returns (bool success); /// @param _owner Адрес аккаунта владеющего токенами /// @param _spender Адрес аккаунта, с которого возможно списать токены /// @return Кол-во оставшихся токенов разрешённых для отправки function allowance(address _owner, address _spender) constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); }
// Абстрактный контракт для токена стандарта ERC 20 // https://github.com/ethereum/EIPs/issues/20
LineComment
transferFrom
function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
/// @notice Отправить кол-во `_value` токенов на адрес `_to` с адреса `_from` при условии что это подтверждено отправителем `_from` /// @param _from Адрес отправителя /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not
NatSpecSingleLine
v0.4.13+commit.fb4cb1a
bzzr://a6ea5b206aa0c5d0c21fe7b31ef1d139aa70f0c650be1bbb25ce22ccd163880f
{ "func_code_index": [ 910, 1004 ] }
194
BlackSnail
BlackSnail.sol
0xfe17e67e1b2a69c24a4643442185ec821be0643a
Solidity
Token
contract Token is Owned { /// Общее кол-во токенов uint256 public totalSupply; /// @param _owner адрес, с которого будет получен баланс /// @return Баланс function balanceOf(address _owner) constant returns (uint256 balance); /// @notice Отправить кол-во `_value` токенов на адрес `_to` с адреса `msg.sender` /// @param _to Адрес получателя /// @param _value Кол-во токенов для отправки /// @return Была ли отправка успешной или нет function transfer(address _to, uint256 _value) returns (bool success); /// @notice Отправить кол-во `_value` токенов на адрес `_to` с адреса `_from` при условии что это подтверждено отправителем `_from` /// @param _from Адрес отправителя /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) returns (bool success); /// @notice Вызывающий функции `msg.sender` подтверждает что с адреса `_spender` спишется `_value` токенов /// @param _spender Адрес аккаунта, с которого возможно списать токены /// @param _value Кол-во токенов к подтверждению для отправки /// @return Было ли подтверждение успешным или нет function approve(address _spender, uint256 _value) returns (bool success); /// @param _owner Адрес аккаунта владеющего токенами /// @param _spender Адрес аккаунта, с которого возможно списать токены /// @return Кол-во оставшихся токенов разрешённых для отправки function allowance(address _owner, address _spender) constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); }
// Абстрактный контракт для токена стандарта ERC 20 // https://github.com/ethereum/EIPs/issues/20
LineComment
approve
function approve(address _spender, uint256 _value) returns (bool success);
/// @notice Вызывающий функции `msg.sender` подтверждает что с адреса `_spender` спишется `_value` токенов /// @param _spender Адрес аккаунта, с которого возможно списать токены /// @param _value Кол-во токенов к подтверждению для отправки /// @return Было ли подтверждение успешным или нет
NatSpecSingleLine
v0.4.13+commit.fb4cb1a
bzzr://a6ea5b206aa0c5d0c21fe7b31ef1d139aa70f0c650be1bbb25ce22ccd163880f
{ "func_code_index": [ 1318, 1397 ] }
195
BlackSnail
BlackSnail.sol
0xfe17e67e1b2a69c24a4643442185ec821be0643a
Solidity
Token
contract Token is Owned { /// Общее кол-во токенов uint256 public totalSupply; /// @param _owner адрес, с которого будет получен баланс /// @return Баланс function balanceOf(address _owner) constant returns (uint256 balance); /// @notice Отправить кол-во `_value` токенов на адрес `_to` с адреса `msg.sender` /// @param _to Адрес получателя /// @param _value Кол-во токенов для отправки /// @return Была ли отправка успешной или нет function transfer(address _to, uint256 _value) returns (bool success); /// @notice Отправить кол-во `_value` токенов на адрес `_to` с адреса `_from` при условии что это подтверждено отправителем `_from` /// @param _from Адрес отправителя /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) returns (bool success); /// @notice Вызывающий функции `msg.sender` подтверждает что с адреса `_spender` спишется `_value` токенов /// @param _spender Адрес аккаунта, с которого возможно списать токены /// @param _value Кол-во токенов к подтверждению для отправки /// @return Было ли подтверждение успешным или нет function approve(address _spender, uint256 _value) returns (bool success); /// @param _owner Адрес аккаунта владеющего токенами /// @param _spender Адрес аккаунта, с которого возможно списать токены /// @return Кол-во оставшихся токенов разрешённых для отправки function allowance(address _owner, address _spender) constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); }
// Абстрактный контракт для токена стандарта ERC 20 // https://github.com/ethereum/EIPs/issues/20
LineComment
allowance
function allowance(address _owner, address _spender) constant returns (uint256 remaining);
/// @param _owner Адрес аккаунта владеющего токенами /// @param _spender Адрес аккаунта, с которого возможно списать токены /// @return Кол-во оставшихся токенов разрешённых для отправки
NatSpecSingleLine
v0.4.13+commit.fb4cb1a
bzzr://a6ea5b206aa0c5d0c21fe7b31ef1d139aa70f0c650be1bbb25ce22ccd163880f
{ "func_code_index": [ 1602, 1697 ] }
196
BlackSnail
BlackSnail.sol
0xfe17e67e1b2a69c24a4643442185ec821be0643a
Solidity
BlackSnail
contract BlackSnail is ERC20Token { function () { // Если кто то пытается отправить эфир на адрес контракта, то будет вызвана ошибка. throw; } /* Публичные переменные токена */ string public name; // Название uint8 public decimals; // Сколько десятичных знаков string public symbol; // Идентификатор (трехбуквенный обычно) string public version = '1.0'; // Версия function BlackSnail( uint256 _initialAmount, string _tokenName, uint8 _decimalUnits, string _tokenSymbol) { balances[msg.sender] = _initialAmount; // Передача создателю всех выпущенных монет totalSupply = _initialAmount; name = _tokenName; decimals = _decimalUnits; symbol = _tokenSymbol; } }
/* Основной контракт токена, наследует ERC20Token */
Comment
BlackSnail
function BlackSnail( uint256 _initialAmount, string _tokenName, uint8 _decimalUnits, string _tokenSymbol) { balances[msg.sender] = _initialAmount; // Передача создателю всех выпущенных монет totalSupply = _initialAmount; name = _tokenName; decimals = _decimalUnits; symbol = _tokenSymbol; }
// Версия
LineComment
v0.4.13+commit.fb4cb1a
bzzr://a6ea5b206aa0c5d0c21fe7b31ef1d139aa70f0c650be1bbb25ce22ccd163880f
{ "func_code_index": [ 478, 881 ] }
197
EasyAuction
contracts/EasyAuction.sol
0x0b7ffc1f4ad541a4ed16b40d8c37f0929158d101
Solidity
EasyAuction
contract EasyAuction is Ownable { using SafeERC20 for IERC20; using SafeMath for uint64; using SafeMath for uint96; using SafeMath for uint256; using SafeCast for uint256; using IterableOrderedOrderSet for IterableOrderedOrderSet.Data; using IterableOrderedOrderSet for bytes32; using IdToAddressBiMap for IdToAddressBiMap.Data; modifier atStageOrderPlacement(uint256 auctionId) { require( block.timestamp < auctionData[auctionId].auctionEndDate, "no longer in order placement phase" ); _; } modifier atStageOrderPlacementAndCancelation(uint256 auctionId) { require( block.timestamp < auctionData[auctionId].orderCancellationEndDate, "no longer in order placement and cancelation phase" ); _; } modifier atStageSolutionSubmission(uint256 auctionId) { { uint256 auctionEndDate = auctionData[auctionId].auctionEndDate; require( auctionEndDate != 0 && block.timestamp >= auctionEndDate && auctionData[auctionId].clearingPriceOrder == bytes32(0), "Auction not in solution submission phase" ); } _; } modifier atStageFinished(uint256 auctionId) { require( auctionData[auctionId].clearingPriceOrder != bytes32(0), "Auction not yet finished" ); _; } event NewSellOrder( uint256 indexed auctionId, uint64 indexed userId, uint96 buyAmount, uint96 sellAmount ); event CancellationSellOrder( uint256 indexed auctionId, uint64 indexed userId, uint96 buyAmount, uint96 sellAmount ); event ClaimedFromOrder( uint256 indexed auctionId, uint64 indexed userId, uint96 buyAmount, uint96 sellAmount ); event NewUser(uint64 indexed userId, address indexed userAddress); event NewAuction( uint256 indexed auctionId, IERC20 indexed _auctioningToken, IERC20 indexed _biddingToken, uint256 orderCancellationEndDate, uint256 auctionEndDate, uint64 userId, uint96 _auctionedSellAmount, uint96 _minBuyAmount, uint256 minimumBiddingAmountPerOrder, uint256 minFundingThreshold, address allowListContract, bytes allowListData ); event AuctionCleared( uint256 indexed auctionId, uint96 soldAuctioningTokens, uint96 soldBiddingTokens, bytes32 clearingPriceOrder ); event UserRegistration(address indexed user, uint64 userId); struct AuctionData { IERC20 auctioningToken; IERC20 biddingToken; uint256 orderCancellationEndDate; uint256 auctionEndDate; bytes32 initialAuctionOrder; uint256 minimumBiddingAmountPerOrder; uint256 interimSumBidAmount; bytes32 interimOrder; bytes32 clearingPriceOrder; uint96 volumeClearingPriceOrder; bool minFundingThresholdNotReached; bool isAtomicClosureAllowed; uint256 feeNumerator; uint256 minFundingThreshold; } mapping(uint256 => IterableOrderedOrderSet.Data) internal sellOrders; mapping(uint256 => AuctionData) public auctionData; mapping(uint256 => address) public auctionAccessManager; mapping(uint256 => bytes) public auctionAccessData; IdToAddressBiMap.Data private registeredUsers; uint64 public numUsers; uint256 public auctionCounter; constructor() public Ownable() {} uint256 public feeNumerator = 0; uint256 public constant FEE_DENOMINATOR = 1000; uint64 public feeReceiverUserId = 1; function setFeeParameters( uint256 newFeeNumerator, address newfeeReceiverAddress ) public onlyOwner() { require( newFeeNumerator <= 15, "Fee is not allowed to be set higher than 1.5%" ); // caution: for currently running auctions, the feeReceiverUserId is changing as well. feeReceiverUserId = getUserId(newfeeReceiverAddress); feeNumerator = newFeeNumerator; } // @dev: function to intiate a new auction // Warning: In case the auction is expected to raise more than // 2^96 units of the biddingToken, don't start the auction, as // it will not be settlable. This corresponds to about 79 // billion DAI. // // Prices between biddingToken and auctioningToken are expressed by a // fraction whose components are stored as uint96. function initiateAuction( IERC20 _auctioningToken, IERC20 _biddingToken, uint256 orderCancellationEndDate, uint256 auctionEndDate, uint96 _auctionedSellAmount, uint96 _minBuyAmount, uint256 minimumBiddingAmountPerOrder, uint256 minFundingThreshold, bool isAtomicClosureAllowed, address accessManagerContract, bytes memory accessManagerContractData ) public returns (uint256) { // withdraws sellAmount + fees _auctioningToken.safeTransferFrom( msg.sender, address(this), _auctionedSellAmount.mul(FEE_DENOMINATOR.add(feeNumerator)).div( FEE_DENOMINATOR ) //[0] ); require(_auctionedSellAmount > 0, "cannot auction zero tokens"); require(_minBuyAmount > 0, "tokens cannot be auctioned for free"); require( minimumBiddingAmountPerOrder > 0, "minimumBiddingAmountPerOrder is not allowed to be zero" ); require( orderCancellationEndDate <= auctionEndDate, "time periods are not configured correctly" ); require( auctionEndDate > block.timestamp, "auction end date must be in the future" ); auctionCounter = auctionCounter.add(1); sellOrders[auctionCounter].initializeEmptyList(); uint64 userId = getUserId(msg.sender); auctionData[auctionCounter] = AuctionData( _auctioningToken, _biddingToken, orderCancellationEndDate, auctionEndDate, IterableOrderedOrderSet.encodeOrder( userId, _minBuyAmount, _auctionedSellAmount ), minimumBiddingAmountPerOrder, 0, IterableOrderedOrderSet.QUEUE_START, bytes32(0), 0, false, isAtomicClosureAllowed, feeNumerator, minFundingThreshold ); auctionAccessManager[auctionCounter] = accessManagerContract; auctionAccessData[auctionCounter] = accessManagerContractData; emit NewAuction( auctionCounter, _auctioningToken, _biddingToken, orderCancellationEndDate, auctionEndDate, userId, _auctionedSellAmount, _minBuyAmount, minimumBiddingAmountPerOrder, minFundingThreshold, accessManagerContract, accessManagerContractData ); return auctionCounter; } function placeSellOrders( uint256 auctionId, uint96[] memory _minBuyAmounts, uint96[] memory _sellAmounts, bytes32[] memory _prevSellOrders, bytes calldata allowListCallData ) external atStageOrderPlacement(auctionId) returns (uint64 userId) { return _placeSellOrders( auctionId, _minBuyAmounts, _sellAmounts, _prevSellOrders, allowListCallData, msg.sender ); } function placeSellOrdersOnBehalf( uint256 auctionId, uint96[] memory _minBuyAmounts, uint96[] memory _sellAmounts, bytes32[] memory _prevSellOrders, bytes calldata allowListCallData, address orderSubmitter ) external atStageOrderPlacement(auctionId) returns (uint64 userId) { return _placeSellOrders( auctionId, _minBuyAmounts, _sellAmounts, _prevSellOrders, allowListCallData, orderSubmitter ); } function _placeSellOrders( uint256 auctionId, uint96[] memory _minBuyAmounts, uint96[] memory _sellAmounts, bytes32[] memory _prevSellOrders, bytes calldata allowListCallData, address orderSubmitter ) internal returns (uint64 userId) { { address allowListManger = auctionAccessManager[auctionId]; if (allowListManger != address(0)) { require( AllowListVerifier(allowListManger).isAllowed( orderSubmitter, auctionId, allowListCallData ) == AllowListVerifierHelper.MAGICVALUE, "user not allowed to place order" ); } } { ( , uint96 buyAmountOfInitialAuctionOrder, uint96 sellAmountOfInitialAuctionOrder ) = auctionData[auctionId].initialAuctionOrder.decodeOrder(); for (uint256 i = 0; i < _minBuyAmounts.length; i++) { require( _minBuyAmounts[i].mul(buyAmountOfInitialAuctionOrder) < sellAmountOfInitialAuctionOrder.mul(_sellAmounts[i]), "limit price not better than mimimal offer" ); } } uint256 sumOfSellAmounts = 0; userId = getUserId(orderSubmitter); uint256 minimumBiddingAmountPerOrder = auctionData[auctionId].minimumBiddingAmountPerOrder; for (uint256 i = 0; i < _minBuyAmounts.length; i++) { require( _minBuyAmounts[i] > 0, "_minBuyAmounts must be greater than 0" ); // orders should have a minimum bid size in order to limit the gas // required to compute the final price of the auction. require( _sellAmounts[i] > minimumBiddingAmountPerOrder, "order too small" ); if ( sellOrders[auctionId].insert( IterableOrderedOrderSet.encodeOrder( userId, _minBuyAmounts[i], _sellAmounts[i] ), _prevSellOrders[i] ) ) { sumOfSellAmounts = sumOfSellAmounts.add(_sellAmounts[i]); emit NewSellOrder( auctionId, userId, _minBuyAmounts[i], _sellAmounts[i] ); } } auctionData[auctionId].biddingToken.safeTransferFrom( msg.sender, address(this), sumOfSellAmounts ); //[1] } function cancelSellOrders(uint256 auctionId, bytes32[] memory _sellOrders) public atStageOrderPlacementAndCancelation(auctionId) { uint64 userId = getUserId(msg.sender); uint256 claimableAmount = 0; for (uint256 i = 0; i < _sellOrders.length; i++) { // Note: we keep the back pointer of the deleted element so that // it can be used as a reference point to insert a new node. bool success = sellOrders[auctionId].removeKeepHistory(_sellOrders[i]); if (success) { ( uint64 userIdOfIter, uint96 buyAmountOfIter, uint96 sellAmountOfIter ) = _sellOrders[i].decodeOrder(); require( userIdOfIter == userId, "Only the user can cancel his orders" ); claimableAmount = claimableAmount.add(sellAmountOfIter); emit CancellationSellOrder( auctionId, userId, buyAmountOfIter, sellAmountOfIter ); } } auctionData[auctionId].biddingToken.safeTransfer( msg.sender, claimableAmount ); //[2] } function precalculateSellAmountSum( uint256 auctionId, uint256 iterationSteps ) public atStageSolutionSubmission(auctionId) { (, , uint96 auctioneerSellAmount) = auctionData[auctionId].initialAuctionOrder.decodeOrder(); uint256 sumBidAmount = auctionData[auctionId].interimSumBidAmount; bytes32 iterOrder = auctionData[auctionId].interimOrder; for (uint256 i = 0; i < iterationSteps; i++) { iterOrder = sellOrders[auctionId].next(iterOrder); (, , uint96 sellAmountOfIter) = iterOrder.decodeOrder(); sumBidAmount = sumBidAmount.add(sellAmountOfIter); } require( iterOrder != IterableOrderedOrderSet.QUEUE_END, "reached end of order list" ); // it is checked that not too many iteration steps were taken: // require that the sum of SellAmounts times the price of the last order // is not more than initially sold amount (, uint96 buyAmountOfIter, uint96 sellAmountOfIter) = iterOrder.decodeOrder(); require( sumBidAmount.mul(buyAmountOfIter) < auctioneerSellAmount.mul(sellAmountOfIter), "too many orders summed up" ); auctionData[auctionId].interimSumBidAmount = sumBidAmount; auctionData[auctionId].interimOrder = iterOrder; } function settleAuctionAtomically( uint256 auctionId, uint96[] memory _minBuyAmount, uint96[] memory _sellAmount, bytes32[] memory _prevSellOrder, bytes calldata allowListCallData ) public atStageSolutionSubmission(auctionId) { require( auctionData[auctionId].isAtomicClosureAllowed, "not allowed to settle auction atomically" ); require( _minBuyAmount.length == 1 && _sellAmount.length == 1, "Only one order can be placed atomically" ); uint64 userId = getUserId(msg.sender); require( auctionData[auctionId].interimOrder.smallerThan( IterableOrderedOrderSet.encodeOrder( userId, _minBuyAmount[0], _sellAmount[0] ) ), "precalculateSellAmountSum is already too advanced" ); _placeSellOrders( auctionId, _minBuyAmount, _sellAmount, _prevSellOrder, allowListCallData, msg.sender ); settleAuction(auctionId); } // @dev function settling the auction and calculating the price function settleAuction(uint256 auctionId) public atStageSolutionSubmission(auctionId) returns (bytes32 clearingOrder) { ( uint64 auctioneerId, uint96 minAuctionedBuyAmount, uint96 fullAuctionedAmount ) = auctionData[auctionId].initialAuctionOrder.decodeOrder(); uint256 currentBidSum = auctionData[auctionId].interimSumBidAmount; bytes32 currentOrder = auctionData[auctionId].interimOrder; uint256 buyAmountOfIter; uint256 sellAmountOfIter; uint96 fillVolumeOfAuctioneerOrder = fullAuctionedAmount; // Sum order up, until fullAuctionedAmount is fully bought or queue end is reached do { bytes32 nextOrder = sellOrders[auctionId].next(currentOrder); if (nextOrder == IterableOrderedOrderSet.QUEUE_END) { break; } currentOrder = nextOrder; (, buyAmountOfIter, sellAmountOfIter) = currentOrder.decodeOrder(); currentBidSum = currentBidSum.add(sellAmountOfIter); } while ( currentBidSum.mul(buyAmountOfIter) < fullAuctionedAmount.mul(sellAmountOfIter) ); if ( currentBidSum > 0 && currentBidSum.mul(buyAmountOfIter) >= fullAuctionedAmount.mul(sellAmountOfIter) ) { // All considered/summed orders are sufficient to close the auction fully // at price between current and previous orders. uint256 uncoveredBids = currentBidSum.sub( fullAuctionedAmount.mul(sellAmountOfIter).div( buyAmountOfIter ) ); if (sellAmountOfIter >= uncoveredBids) { //[13] // Auction fully filled via partial match of currentOrder uint256 sellAmountClearingOrder = sellAmountOfIter.sub(uncoveredBids); auctionData[auctionId] .volumeClearingPriceOrder = sellAmountClearingOrder .toUint96(); currentBidSum = currentBidSum.sub(uncoveredBids); clearingOrder = currentOrder; } else { //[14] // Auction fully filled via price strictly between currentOrder and the order // immediately before. For a proof, see the security-considerations.md currentBidSum = currentBidSum.sub(sellAmountOfIter); clearingOrder = IterableOrderedOrderSet.encodeOrder( 0, fullAuctionedAmount, currentBidSum.toUint96() ); } } else { // All considered/summed orders are not sufficient to close the auction fully at price of last order //[18] // Either a higher price must be used or auction is only partially filled if (currentBidSum > minAuctionedBuyAmount) { //[15] // Price higher than last order would fill the auction clearingOrder = IterableOrderedOrderSet.encodeOrder( 0, fullAuctionedAmount, currentBidSum.toUint96() ); } else { //[16] // Even at the initial auction price, the auction is partially filled clearingOrder = IterableOrderedOrderSet.encodeOrder( 0, fullAuctionedAmount, minAuctionedBuyAmount ); fillVolumeOfAuctioneerOrder = currentBidSum .mul(fullAuctionedAmount) .div(minAuctionedBuyAmount) .toUint96(); } } auctionData[auctionId].clearingPriceOrder = clearingOrder; if (auctionData[auctionId].minFundingThreshold > currentBidSum) { auctionData[auctionId].minFundingThresholdNotReached = true; } processFeesAndAuctioneerFunds( auctionId, fillVolumeOfAuctioneerOrder, auctioneerId, fullAuctionedAmount ); emit AuctionCleared( auctionId, fillVolumeOfAuctioneerOrder, uint96(currentBidSum), clearingOrder ); // Gas refunds auctionAccessManager[auctionId] = address(0); delete auctionAccessData[auctionId]; auctionData[auctionId].initialAuctionOrder = bytes32(0); auctionData[auctionId].interimOrder = bytes32(0); auctionData[auctionId].interimSumBidAmount = uint256(0); auctionData[auctionId].minimumBiddingAmountPerOrder = uint256(0); } function claimFromParticipantOrder( uint256 auctionId, bytes32[] memory orders ) public atStageFinished(auctionId) returns ( uint256 sumAuctioningTokenAmount, uint256 sumBiddingTokenAmount ) { for (uint256 i = 0; i < orders.length; i++) { // Note: we don't need to keep any information about the node since // no new elements need to be inserted. require( sellOrders[auctionId].remove(orders[i]), "order is no longer claimable" ); } AuctionData memory auction = auctionData[auctionId]; (, uint96 priceNumerator, uint96 priceDenominator) = auction.clearingPriceOrder.decodeOrder(); (uint64 userId, , ) = orders[0].decodeOrder(); bool minFundingThresholdNotReached = auctionData[auctionId].minFundingThresholdNotReached; for (uint256 i = 0; i < orders.length; i++) { (uint64 userIdOrder, uint96 buyAmount, uint96 sellAmount) = orders[i].decodeOrder(); require( userIdOrder == userId, "only allowed to claim for same user" ); if (minFundingThresholdNotReached) { //[10] sumBiddingTokenAmount = sumBiddingTokenAmount.add(sellAmount); } else { //[23] if (orders[i] == auction.clearingPriceOrder) { //[25] sumAuctioningTokenAmount = sumAuctioningTokenAmount.add( auction .volumeClearingPriceOrder .mul(priceNumerator) .div(priceDenominator) ); sumBiddingTokenAmount = sumBiddingTokenAmount.add( sellAmount.sub(auction.volumeClearingPriceOrder) ); } else { if (orders[i].smallerThan(auction.clearingPriceOrder)) { //[17] sumAuctioningTokenAmount = sumAuctioningTokenAmount.add( sellAmount.mul(priceNumerator).div(priceDenominator) ); } else { //[24] sumBiddingTokenAmount = sumBiddingTokenAmount.add( sellAmount ); } } } emit ClaimedFromOrder(auctionId, userId, buyAmount, sellAmount); } sendOutTokens( auctionId, sumAuctioningTokenAmount, sumBiddingTokenAmount, userId ); //[3] } function processFeesAndAuctioneerFunds( uint256 auctionId, uint256 fillVolumeOfAuctioneerOrder, uint64 auctioneerId, uint96 fullAuctionedAmount ) internal { uint256 feeAmount = fullAuctionedAmount.mul(auctionData[auctionId].feeNumerator).div( FEE_DENOMINATOR ); //[20] if (auctionData[auctionId].minFundingThresholdNotReached) { sendOutTokens( auctionId, fullAuctionedAmount.add(feeAmount), 0, auctioneerId ); //[4] } else { //[11] (, uint96 priceNumerator, uint96 priceDenominator) = auctionData[auctionId].clearingPriceOrder.decodeOrder(); uint256 unsettledAuctionTokens = fullAuctionedAmount.sub(fillVolumeOfAuctioneerOrder); uint256 auctioningTokenAmount = unsettledAuctionTokens.add( feeAmount.mul(unsettledAuctionTokens).div( fullAuctionedAmount ) ); uint256 biddingTokenAmount = fillVolumeOfAuctioneerOrder.mul(priceDenominator).div( priceNumerator ); sendOutTokens( auctionId, auctioningTokenAmount, biddingTokenAmount, auctioneerId ); //[5] sendOutTokens( auctionId, feeAmount.mul(fillVolumeOfAuctioneerOrder).div( fullAuctionedAmount ), 0, feeReceiverUserId ); //[7] } } function sendOutTokens( uint256 auctionId, uint256 auctioningTokenAmount, uint256 biddingTokenAmount, uint64 userId ) internal { address userAddress = registeredUsers.getAddressAt(userId); if (auctioningTokenAmount > 0) { auctionData[auctionId].auctioningToken.safeTransfer( userAddress, auctioningTokenAmount ); } if (biddingTokenAmount > 0) { auctionData[auctionId].biddingToken.safeTransfer( userAddress, biddingTokenAmount ); } } function registerUser(address user) public returns (uint64 userId) { numUsers = numUsers.add(1).toUint64(); require( registeredUsers.insert(numUsers, user), "User already registered" ); userId = numUsers; emit UserRegistration(user, userId); } function getUserId(address user) public returns (uint64 userId) { if (registeredUsers.hasAddress(user)) { userId = registeredUsers.getId(user); } else { userId = registerUser(user); emit NewUser(userId, user); } } function getSecondsRemainingInBatch(uint256 auctionId) public view returns (uint256) { if (auctionData[auctionId].auctionEndDate < block.timestamp) { return 0; } return auctionData[auctionId].auctionEndDate.sub(block.timestamp); } function containsOrder(uint256 auctionId, bytes32 order) public view returns (bool) { return sellOrders[auctionId].contains(order); } }
initiateAuction
function initiateAuction( IERC20 _auctioningToken, IERC20 _biddingToken, uint256 orderCancellationEndDate, uint256 auctionEndDate, uint96 _auctionedSellAmount, uint96 _minBuyAmount, uint256 minimumBiddingAmountPerOrder, uint256 minFundingThreshold, bool isAtomicClosureAllowed, address accessManagerContract, bytes memory accessManagerContractData ) public returns (uint256) { // withdraws sellAmount + fees _auctioningToken.safeTransferFrom( msg.sender, address(this), _auctionedSellAmount.mul(FEE_DENOMINATOR.add(feeNumerator)).div( FEE_DENOMINATOR ) //[0] ); require(_auctionedSellAmount > 0, "cannot auction zero tokens"); require(_minBuyAmount > 0, "tokens cannot be auctioned for free"); require( minimumBiddingAmountPerOrder > 0, "minimumBiddingAmountPerOrder is not allowed to be zero" ); require( orderCancellationEndDate <= auctionEndDate, "time periods are not configured correctly" ); require( auctionEndDate > block.timestamp, "auction end date must be in the future" ); auctionCounter = auctionCounter.add(1); sellOrders[auctionCounter].initializeEmptyList(); uint64 userId = getUserId(msg.sender); auctionData[auctionCounter] = AuctionData( _auctioningToken, _biddingToken, orderCancellationEndDate, auctionEndDate, IterableOrderedOrderSet.encodeOrder( userId, _minBuyAmount, _auctionedSellAmount ), minimumBiddingAmountPerOrder, 0, IterableOrderedOrderSet.QUEUE_START, bytes32(0), 0, false, isAtomicClosureAllowed, feeNumerator, minFundingThreshold ); auctionAccessManager[auctionCounter] = accessManagerContract; auctionAccessData[auctionCounter] = accessManagerContractData; emit NewAuction( auctionCounter, _auctioningToken, _biddingToken, orderCancellationEndDate, auctionEndDate, userId, _auctionedSellAmount, _minBuyAmount, minimumBiddingAmountPerOrder, minFundingThreshold, accessManagerContract, accessManagerContractData ); return auctionCounter; }
// @dev: function to intiate a new auction // Warning: In case the auction is expected to raise more than // 2^96 units of the biddingToken, don't start the auction, as // it will not be settlable. This corresponds to about 79 // billion DAI. // // Prices between biddingToken and auctioningToken are expressed by a // fraction whose components are stored as uint96.
LineComment
v0.6.12+commit.27d51765
None
{ "func_code_index": [ 4641, 7290 ] }
198
EasyAuction
contracts/EasyAuction.sol
0x0b7ffc1f4ad541a4ed16b40d8c37f0929158d101
Solidity
EasyAuction
contract EasyAuction is Ownable { using SafeERC20 for IERC20; using SafeMath for uint64; using SafeMath for uint96; using SafeMath for uint256; using SafeCast for uint256; using IterableOrderedOrderSet for IterableOrderedOrderSet.Data; using IterableOrderedOrderSet for bytes32; using IdToAddressBiMap for IdToAddressBiMap.Data; modifier atStageOrderPlacement(uint256 auctionId) { require( block.timestamp < auctionData[auctionId].auctionEndDate, "no longer in order placement phase" ); _; } modifier atStageOrderPlacementAndCancelation(uint256 auctionId) { require( block.timestamp < auctionData[auctionId].orderCancellationEndDate, "no longer in order placement and cancelation phase" ); _; } modifier atStageSolutionSubmission(uint256 auctionId) { { uint256 auctionEndDate = auctionData[auctionId].auctionEndDate; require( auctionEndDate != 0 && block.timestamp >= auctionEndDate && auctionData[auctionId].clearingPriceOrder == bytes32(0), "Auction not in solution submission phase" ); } _; } modifier atStageFinished(uint256 auctionId) { require( auctionData[auctionId].clearingPriceOrder != bytes32(0), "Auction not yet finished" ); _; } event NewSellOrder( uint256 indexed auctionId, uint64 indexed userId, uint96 buyAmount, uint96 sellAmount ); event CancellationSellOrder( uint256 indexed auctionId, uint64 indexed userId, uint96 buyAmount, uint96 sellAmount ); event ClaimedFromOrder( uint256 indexed auctionId, uint64 indexed userId, uint96 buyAmount, uint96 sellAmount ); event NewUser(uint64 indexed userId, address indexed userAddress); event NewAuction( uint256 indexed auctionId, IERC20 indexed _auctioningToken, IERC20 indexed _biddingToken, uint256 orderCancellationEndDate, uint256 auctionEndDate, uint64 userId, uint96 _auctionedSellAmount, uint96 _minBuyAmount, uint256 minimumBiddingAmountPerOrder, uint256 minFundingThreshold, address allowListContract, bytes allowListData ); event AuctionCleared( uint256 indexed auctionId, uint96 soldAuctioningTokens, uint96 soldBiddingTokens, bytes32 clearingPriceOrder ); event UserRegistration(address indexed user, uint64 userId); struct AuctionData { IERC20 auctioningToken; IERC20 biddingToken; uint256 orderCancellationEndDate; uint256 auctionEndDate; bytes32 initialAuctionOrder; uint256 minimumBiddingAmountPerOrder; uint256 interimSumBidAmount; bytes32 interimOrder; bytes32 clearingPriceOrder; uint96 volumeClearingPriceOrder; bool minFundingThresholdNotReached; bool isAtomicClosureAllowed; uint256 feeNumerator; uint256 minFundingThreshold; } mapping(uint256 => IterableOrderedOrderSet.Data) internal sellOrders; mapping(uint256 => AuctionData) public auctionData; mapping(uint256 => address) public auctionAccessManager; mapping(uint256 => bytes) public auctionAccessData; IdToAddressBiMap.Data private registeredUsers; uint64 public numUsers; uint256 public auctionCounter; constructor() public Ownable() {} uint256 public feeNumerator = 0; uint256 public constant FEE_DENOMINATOR = 1000; uint64 public feeReceiverUserId = 1; function setFeeParameters( uint256 newFeeNumerator, address newfeeReceiverAddress ) public onlyOwner() { require( newFeeNumerator <= 15, "Fee is not allowed to be set higher than 1.5%" ); // caution: for currently running auctions, the feeReceiverUserId is changing as well. feeReceiverUserId = getUserId(newfeeReceiverAddress); feeNumerator = newFeeNumerator; } // @dev: function to intiate a new auction // Warning: In case the auction is expected to raise more than // 2^96 units of the biddingToken, don't start the auction, as // it will not be settlable. This corresponds to about 79 // billion DAI. // // Prices between biddingToken and auctioningToken are expressed by a // fraction whose components are stored as uint96. function initiateAuction( IERC20 _auctioningToken, IERC20 _biddingToken, uint256 orderCancellationEndDate, uint256 auctionEndDate, uint96 _auctionedSellAmount, uint96 _minBuyAmount, uint256 minimumBiddingAmountPerOrder, uint256 minFundingThreshold, bool isAtomicClosureAllowed, address accessManagerContract, bytes memory accessManagerContractData ) public returns (uint256) { // withdraws sellAmount + fees _auctioningToken.safeTransferFrom( msg.sender, address(this), _auctionedSellAmount.mul(FEE_DENOMINATOR.add(feeNumerator)).div( FEE_DENOMINATOR ) //[0] ); require(_auctionedSellAmount > 0, "cannot auction zero tokens"); require(_minBuyAmount > 0, "tokens cannot be auctioned for free"); require( minimumBiddingAmountPerOrder > 0, "minimumBiddingAmountPerOrder is not allowed to be zero" ); require( orderCancellationEndDate <= auctionEndDate, "time periods are not configured correctly" ); require( auctionEndDate > block.timestamp, "auction end date must be in the future" ); auctionCounter = auctionCounter.add(1); sellOrders[auctionCounter].initializeEmptyList(); uint64 userId = getUserId(msg.sender); auctionData[auctionCounter] = AuctionData( _auctioningToken, _biddingToken, orderCancellationEndDate, auctionEndDate, IterableOrderedOrderSet.encodeOrder( userId, _minBuyAmount, _auctionedSellAmount ), minimumBiddingAmountPerOrder, 0, IterableOrderedOrderSet.QUEUE_START, bytes32(0), 0, false, isAtomicClosureAllowed, feeNumerator, minFundingThreshold ); auctionAccessManager[auctionCounter] = accessManagerContract; auctionAccessData[auctionCounter] = accessManagerContractData; emit NewAuction( auctionCounter, _auctioningToken, _biddingToken, orderCancellationEndDate, auctionEndDate, userId, _auctionedSellAmount, _minBuyAmount, minimumBiddingAmountPerOrder, minFundingThreshold, accessManagerContract, accessManagerContractData ); return auctionCounter; } function placeSellOrders( uint256 auctionId, uint96[] memory _minBuyAmounts, uint96[] memory _sellAmounts, bytes32[] memory _prevSellOrders, bytes calldata allowListCallData ) external atStageOrderPlacement(auctionId) returns (uint64 userId) { return _placeSellOrders( auctionId, _minBuyAmounts, _sellAmounts, _prevSellOrders, allowListCallData, msg.sender ); } function placeSellOrdersOnBehalf( uint256 auctionId, uint96[] memory _minBuyAmounts, uint96[] memory _sellAmounts, bytes32[] memory _prevSellOrders, bytes calldata allowListCallData, address orderSubmitter ) external atStageOrderPlacement(auctionId) returns (uint64 userId) { return _placeSellOrders( auctionId, _minBuyAmounts, _sellAmounts, _prevSellOrders, allowListCallData, orderSubmitter ); } function _placeSellOrders( uint256 auctionId, uint96[] memory _minBuyAmounts, uint96[] memory _sellAmounts, bytes32[] memory _prevSellOrders, bytes calldata allowListCallData, address orderSubmitter ) internal returns (uint64 userId) { { address allowListManger = auctionAccessManager[auctionId]; if (allowListManger != address(0)) { require( AllowListVerifier(allowListManger).isAllowed( orderSubmitter, auctionId, allowListCallData ) == AllowListVerifierHelper.MAGICVALUE, "user not allowed to place order" ); } } { ( , uint96 buyAmountOfInitialAuctionOrder, uint96 sellAmountOfInitialAuctionOrder ) = auctionData[auctionId].initialAuctionOrder.decodeOrder(); for (uint256 i = 0; i < _minBuyAmounts.length; i++) { require( _minBuyAmounts[i].mul(buyAmountOfInitialAuctionOrder) < sellAmountOfInitialAuctionOrder.mul(_sellAmounts[i]), "limit price not better than mimimal offer" ); } } uint256 sumOfSellAmounts = 0; userId = getUserId(orderSubmitter); uint256 minimumBiddingAmountPerOrder = auctionData[auctionId].minimumBiddingAmountPerOrder; for (uint256 i = 0; i < _minBuyAmounts.length; i++) { require( _minBuyAmounts[i] > 0, "_minBuyAmounts must be greater than 0" ); // orders should have a minimum bid size in order to limit the gas // required to compute the final price of the auction. require( _sellAmounts[i] > minimumBiddingAmountPerOrder, "order too small" ); if ( sellOrders[auctionId].insert( IterableOrderedOrderSet.encodeOrder( userId, _minBuyAmounts[i], _sellAmounts[i] ), _prevSellOrders[i] ) ) { sumOfSellAmounts = sumOfSellAmounts.add(_sellAmounts[i]); emit NewSellOrder( auctionId, userId, _minBuyAmounts[i], _sellAmounts[i] ); } } auctionData[auctionId].biddingToken.safeTransferFrom( msg.sender, address(this), sumOfSellAmounts ); //[1] } function cancelSellOrders(uint256 auctionId, bytes32[] memory _sellOrders) public atStageOrderPlacementAndCancelation(auctionId) { uint64 userId = getUserId(msg.sender); uint256 claimableAmount = 0; for (uint256 i = 0; i < _sellOrders.length; i++) { // Note: we keep the back pointer of the deleted element so that // it can be used as a reference point to insert a new node. bool success = sellOrders[auctionId].removeKeepHistory(_sellOrders[i]); if (success) { ( uint64 userIdOfIter, uint96 buyAmountOfIter, uint96 sellAmountOfIter ) = _sellOrders[i].decodeOrder(); require( userIdOfIter == userId, "Only the user can cancel his orders" ); claimableAmount = claimableAmount.add(sellAmountOfIter); emit CancellationSellOrder( auctionId, userId, buyAmountOfIter, sellAmountOfIter ); } } auctionData[auctionId].biddingToken.safeTransfer( msg.sender, claimableAmount ); //[2] } function precalculateSellAmountSum( uint256 auctionId, uint256 iterationSteps ) public atStageSolutionSubmission(auctionId) { (, , uint96 auctioneerSellAmount) = auctionData[auctionId].initialAuctionOrder.decodeOrder(); uint256 sumBidAmount = auctionData[auctionId].interimSumBidAmount; bytes32 iterOrder = auctionData[auctionId].interimOrder; for (uint256 i = 0; i < iterationSteps; i++) { iterOrder = sellOrders[auctionId].next(iterOrder); (, , uint96 sellAmountOfIter) = iterOrder.decodeOrder(); sumBidAmount = sumBidAmount.add(sellAmountOfIter); } require( iterOrder != IterableOrderedOrderSet.QUEUE_END, "reached end of order list" ); // it is checked that not too many iteration steps were taken: // require that the sum of SellAmounts times the price of the last order // is not more than initially sold amount (, uint96 buyAmountOfIter, uint96 sellAmountOfIter) = iterOrder.decodeOrder(); require( sumBidAmount.mul(buyAmountOfIter) < auctioneerSellAmount.mul(sellAmountOfIter), "too many orders summed up" ); auctionData[auctionId].interimSumBidAmount = sumBidAmount; auctionData[auctionId].interimOrder = iterOrder; } function settleAuctionAtomically( uint256 auctionId, uint96[] memory _minBuyAmount, uint96[] memory _sellAmount, bytes32[] memory _prevSellOrder, bytes calldata allowListCallData ) public atStageSolutionSubmission(auctionId) { require( auctionData[auctionId].isAtomicClosureAllowed, "not allowed to settle auction atomically" ); require( _minBuyAmount.length == 1 && _sellAmount.length == 1, "Only one order can be placed atomically" ); uint64 userId = getUserId(msg.sender); require( auctionData[auctionId].interimOrder.smallerThan( IterableOrderedOrderSet.encodeOrder( userId, _minBuyAmount[0], _sellAmount[0] ) ), "precalculateSellAmountSum is already too advanced" ); _placeSellOrders( auctionId, _minBuyAmount, _sellAmount, _prevSellOrder, allowListCallData, msg.sender ); settleAuction(auctionId); } // @dev function settling the auction and calculating the price function settleAuction(uint256 auctionId) public atStageSolutionSubmission(auctionId) returns (bytes32 clearingOrder) { ( uint64 auctioneerId, uint96 minAuctionedBuyAmount, uint96 fullAuctionedAmount ) = auctionData[auctionId].initialAuctionOrder.decodeOrder(); uint256 currentBidSum = auctionData[auctionId].interimSumBidAmount; bytes32 currentOrder = auctionData[auctionId].interimOrder; uint256 buyAmountOfIter; uint256 sellAmountOfIter; uint96 fillVolumeOfAuctioneerOrder = fullAuctionedAmount; // Sum order up, until fullAuctionedAmount is fully bought or queue end is reached do { bytes32 nextOrder = sellOrders[auctionId].next(currentOrder); if (nextOrder == IterableOrderedOrderSet.QUEUE_END) { break; } currentOrder = nextOrder; (, buyAmountOfIter, sellAmountOfIter) = currentOrder.decodeOrder(); currentBidSum = currentBidSum.add(sellAmountOfIter); } while ( currentBidSum.mul(buyAmountOfIter) < fullAuctionedAmount.mul(sellAmountOfIter) ); if ( currentBidSum > 0 && currentBidSum.mul(buyAmountOfIter) >= fullAuctionedAmount.mul(sellAmountOfIter) ) { // All considered/summed orders are sufficient to close the auction fully // at price between current and previous orders. uint256 uncoveredBids = currentBidSum.sub( fullAuctionedAmount.mul(sellAmountOfIter).div( buyAmountOfIter ) ); if (sellAmountOfIter >= uncoveredBids) { //[13] // Auction fully filled via partial match of currentOrder uint256 sellAmountClearingOrder = sellAmountOfIter.sub(uncoveredBids); auctionData[auctionId] .volumeClearingPriceOrder = sellAmountClearingOrder .toUint96(); currentBidSum = currentBidSum.sub(uncoveredBids); clearingOrder = currentOrder; } else { //[14] // Auction fully filled via price strictly between currentOrder and the order // immediately before. For a proof, see the security-considerations.md currentBidSum = currentBidSum.sub(sellAmountOfIter); clearingOrder = IterableOrderedOrderSet.encodeOrder( 0, fullAuctionedAmount, currentBidSum.toUint96() ); } } else { // All considered/summed orders are not sufficient to close the auction fully at price of last order //[18] // Either a higher price must be used or auction is only partially filled if (currentBidSum > minAuctionedBuyAmount) { //[15] // Price higher than last order would fill the auction clearingOrder = IterableOrderedOrderSet.encodeOrder( 0, fullAuctionedAmount, currentBidSum.toUint96() ); } else { //[16] // Even at the initial auction price, the auction is partially filled clearingOrder = IterableOrderedOrderSet.encodeOrder( 0, fullAuctionedAmount, minAuctionedBuyAmount ); fillVolumeOfAuctioneerOrder = currentBidSum .mul(fullAuctionedAmount) .div(minAuctionedBuyAmount) .toUint96(); } } auctionData[auctionId].clearingPriceOrder = clearingOrder; if (auctionData[auctionId].minFundingThreshold > currentBidSum) { auctionData[auctionId].minFundingThresholdNotReached = true; } processFeesAndAuctioneerFunds( auctionId, fillVolumeOfAuctioneerOrder, auctioneerId, fullAuctionedAmount ); emit AuctionCleared( auctionId, fillVolumeOfAuctioneerOrder, uint96(currentBidSum), clearingOrder ); // Gas refunds auctionAccessManager[auctionId] = address(0); delete auctionAccessData[auctionId]; auctionData[auctionId].initialAuctionOrder = bytes32(0); auctionData[auctionId].interimOrder = bytes32(0); auctionData[auctionId].interimSumBidAmount = uint256(0); auctionData[auctionId].minimumBiddingAmountPerOrder = uint256(0); } function claimFromParticipantOrder( uint256 auctionId, bytes32[] memory orders ) public atStageFinished(auctionId) returns ( uint256 sumAuctioningTokenAmount, uint256 sumBiddingTokenAmount ) { for (uint256 i = 0; i < orders.length; i++) { // Note: we don't need to keep any information about the node since // no new elements need to be inserted. require( sellOrders[auctionId].remove(orders[i]), "order is no longer claimable" ); } AuctionData memory auction = auctionData[auctionId]; (, uint96 priceNumerator, uint96 priceDenominator) = auction.clearingPriceOrder.decodeOrder(); (uint64 userId, , ) = orders[0].decodeOrder(); bool minFundingThresholdNotReached = auctionData[auctionId].minFundingThresholdNotReached; for (uint256 i = 0; i < orders.length; i++) { (uint64 userIdOrder, uint96 buyAmount, uint96 sellAmount) = orders[i].decodeOrder(); require( userIdOrder == userId, "only allowed to claim for same user" ); if (minFundingThresholdNotReached) { //[10] sumBiddingTokenAmount = sumBiddingTokenAmount.add(sellAmount); } else { //[23] if (orders[i] == auction.clearingPriceOrder) { //[25] sumAuctioningTokenAmount = sumAuctioningTokenAmount.add( auction .volumeClearingPriceOrder .mul(priceNumerator) .div(priceDenominator) ); sumBiddingTokenAmount = sumBiddingTokenAmount.add( sellAmount.sub(auction.volumeClearingPriceOrder) ); } else { if (orders[i].smallerThan(auction.clearingPriceOrder)) { //[17] sumAuctioningTokenAmount = sumAuctioningTokenAmount.add( sellAmount.mul(priceNumerator).div(priceDenominator) ); } else { //[24] sumBiddingTokenAmount = sumBiddingTokenAmount.add( sellAmount ); } } } emit ClaimedFromOrder(auctionId, userId, buyAmount, sellAmount); } sendOutTokens( auctionId, sumAuctioningTokenAmount, sumBiddingTokenAmount, userId ); //[3] } function processFeesAndAuctioneerFunds( uint256 auctionId, uint256 fillVolumeOfAuctioneerOrder, uint64 auctioneerId, uint96 fullAuctionedAmount ) internal { uint256 feeAmount = fullAuctionedAmount.mul(auctionData[auctionId].feeNumerator).div( FEE_DENOMINATOR ); //[20] if (auctionData[auctionId].minFundingThresholdNotReached) { sendOutTokens( auctionId, fullAuctionedAmount.add(feeAmount), 0, auctioneerId ); //[4] } else { //[11] (, uint96 priceNumerator, uint96 priceDenominator) = auctionData[auctionId].clearingPriceOrder.decodeOrder(); uint256 unsettledAuctionTokens = fullAuctionedAmount.sub(fillVolumeOfAuctioneerOrder); uint256 auctioningTokenAmount = unsettledAuctionTokens.add( feeAmount.mul(unsettledAuctionTokens).div( fullAuctionedAmount ) ); uint256 biddingTokenAmount = fillVolumeOfAuctioneerOrder.mul(priceDenominator).div( priceNumerator ); sendOutTokens( auctionId, auctioningTokenAmount, biddingTokenAmount, auctioneerId ); //[5] sendOutTokens( auctionId, feeAmount.mul(fillVolumeOfAuctioneerOrder).div( fullAuctionedAmount ), 0, feeReceiverUserId ); //[7] } } function sendOutTokens( uint256 auctionId, uint256 auctioningTokenAmount, uint256 biddingTokenAmount, uint64 userId ) internal { address userAddress = registeredUsers.getAddressAt(userId); if (auctioningTokenAmount > 0) { auctionData[auctionId].auctioningToken.safeTransfer( userAddress, auctioningTokenAmount ); } if (biddingTokenAmount > 0) { auctionData[auctionId].biddingToken.safeTransfer( userAddress, biddingTokenAmount ); } } function registerUser(address user) public returns (uint64 userId) { numUsers = numUsers.add(1).toUint64(); require( registeredUsers.insert(numUsers, user), "User already registered" ); userId = numUsers; emit UserRegistration(user, userId); } function getUserId(address user) public returns (uint64 userId) { if (registeredUsers.hasAddress(user)) { userId = registeredUsers.getId(user); } else { userId = registerUser(user); emit NewUser(userId, user); } } function getSecondsRemainingInBatch(uint256 auctionId) public view returns (uint256) { if (auctionData[auctionId].auctionEndDate < block.timestamp) { return 0; } return auctionData[auctionId].auctionEndDate.sub(block.timestamp); } function containsOrder(uint256 auctionId, bytes32 order) public view returns (bool) { return sellOrders[auctionId].contains(order); } }
settleAuction
function settleAuction(uint256 auctionId) public atStageSolutionSubmission(auctionId) returns (bytes32 clearingOrder) { ( uint64 auctioneerId, uint96 minAuctionedBuyAmount, uint96 fullAuctionedAmount ) = auctionData[auctionId].initialAuctionOrder.decodeOrder(); uint256 currentBidSum = auctionData[auctionId].interimSumBidAmount; bytes32 currentOrder = auctionData[auctionId].interimOrder; uint256 buyAmountOfIter; uint256 sellAmountOfIter; uint96 fillVolumeOfAuctioneerOrder = fullAuctionedAmount; // Sum order up, until fullAuctionedAmount is fully bought or queue end is reached do { bytes32 nextOrder = sellOrders[auctionId].next(currentOrder); if (nextOrder == IterableOrderedOrderSet.QUEUE_END) { break; } currentOrder = nextOrder; (, buyAmountOfIter, sellAmountOfIter) = currentOrder.decodeOrder(); currentBidSum = currentBidSum.add(sellAmountOfIter); } while ( currentBidSum.mul(buyAmountOfIter) < fullAuctionedAmount.mul(sellAmountOfIter) ); if ( currentBidSum > 0 && currentBidSum.mul(buyAmountOfIter) >= fullAuctionedAmount.mul(sellAmountOfIter) ) { // All considered/summed orders are sufficient to close the auction fully // at price between current and previous orders. uint256 uncoveredBids = currentBidSum.sub( fullAuctionedAmount.mul(sellAmountOfIter).div( buyAmountOfIter ) ); if (sellAmountOfIter >= uncoveredBids) { //[13] // Auction fully filled via partial match of currentOrder uint256 sellAmountClearingOrder = sellAmountOfIter.sub(uncoveredBids); auctionData[auctionId] .volumeClearingPriceOrder = sellAmountClearingOrder .toUint96(); currentBidSum = currentBidSum.sub(uncoveredBids); clearingOrder = currentOrder; } else { //[14] // Auction fully filled via price strictly between currentOrder and the order // immediately before. For a proof, see the security-considerations.md currentBidSum = currentBidSum.sub(sellAmountOfIter); clearingOrder = IterableOrderedOrderSet.encodeOrder( 0, fullAuctionedAmount, currentBidSum.toUint96() ); } } else { // All considered/summed orders are not sufficient to close the auction fully at price of last order //[18] // Either a higher price must be used or auction is only partially filled if (currentBidSum > minAuctionedBuyAmount) { //[15] // Price higher than last order would fill the auction clearingOrder = IterableOrderedOrderSet.encodeOrder( 0, fullAuctionedAmount, currentBidSum.toUint96() ); } else { //[16] // Even at the initial auction price, the auction is partially filled clearingOrder = IterableOrderedOrderSet.encodeOrder( 0, fullAuctionedAmount, minAuctionedBuyAmount ); fillVolumeOfAuctioneerOrder = currentBidSum .mul(fullAuctionedAmount) .div(minAuctionedBuyAmount) .toUint96(); } } auctionData[auctionId].clearingPriceOrder = clearingOrder; if (auctionData[auctionId].minFundingThreshold > currentBidSum) { auctionData[auctionId].minFundingThresholdNotReached = true; } processFeesAndAuctioneerFunds( auctionId, fillVolumeOfAuctioneerOrder, auctioneerId, fullAuctionedAmount ); emit AuctionCleared( auctionId, fillVolumeOfAuctioneerOrder, uint96(currentBidSum), clearingOrder ); // Gas refunds auctionAccessManager[auctionId] = address(0); delete auctionAccessData[auctionId]; auctionData[auctionId].initialAuctionOrder = bytes32(0); auctionData[auctionId].interimOrder = bytes32(0); auctionData[auctionId].interimSumBidAmount = uint256(0); auctionData[auctionId].minimumBiddingAmountPerOrder = uint256(0); }
// @dev function settling the auction and calculating the price
LineComment
v0.6.12+commit.27d51765
None
{ "func_code_index": [ 15242, 20072 ] }
199
HogeNFTv3
HogeNFTv3.sol
0xae58a033b6d7e66014fe88227c97680cc6ccecd9
Solidity
EnumerableMap
library EnumerableMap { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Map type with // bytes32 keys and values. // The Map implementation uses private functions, and user-facing // implementations (such as Uint256ToAddressMap) are just wrappers around // the underlying Map. // This means that we can only create new EnumerableMaps for types that fit // in bytes32. struct MapEntry { bytes32 _key; bytes32 _value; } struct Map { // Storage of map keys and values MapEntry[] _entries; // Position of the entry defined by a key in the `entries` array, plus 1 // because index 0 means a key is not in the map. mapping (bytes32 => uint256) _indexes; } /** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */ function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) { // Equivalent to !contains(map, key) map._entries.push(MapEntry({ _key: key, _value: value })); // The entry is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value map._indexes[key] = map._entries.length; return true; } else { map._entries[keyIndex - 1]._value = value; return false; } } /** * @dev Removes a key-value pair from a map. O(1). * * Returns true if the key was removed from the map, that is if it was present. */ function _remove(Map storage map, bytes32 key) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex != 0) { // Equivalent to contains(map, key) // To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one // in the array, and then remove the last entry (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = keyIndex - 1; uint256 lastIndex = map._entries.length - 1; // When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. MapEntry storage lastEntry = map._entries[lastIndex]; // Move the last entry to the index where the entry to delete is map._entries[toDeleteIndex] = lastEntry; // Update the index for the moved entry map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based // Delete the slot where the moved entry was stored map._entries.pop(); // Delete the index for the deleted slot delete map._indexes[key]; return true; } else { return false; } } /** * @dev Returns true if the key is in the map. O(1). */ function _contains(Map storage map, bytes32 key) private view returns (bool) { return map._indexes[key] != 0; } /** * @dev Returns the number of key-value pairs in the map. O(1). */ function _length(Map storage map) private view returns (uint256) { return map._entries.length; } /** * @dev Returns the key-value pair stored at position `index` in the map. O(1). * * Note that there are no guarantees on the ordering of entries inside the * array, and it may change when more entries are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) { require(map._entries.length > index, "EnumerableMap: index out of bounds"); MapEntry storage entry = map._entries[index]; return (entry._key, entry._value); } /** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. */ function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) { uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key) return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based } /** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */ function _get(Map storage map, bytes32 key) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based } /** * @dev Same as {_get}, with a custom error message when `key` is not in the map. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {_tryGet}. */ function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based } // UintToAddressMap struct UintToAddressMap { Map _inner; } /** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */ function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) { return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the key was removed from the map, that is if it was present. */ function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) { return _remove(map._inner, bytes32(key)); } /** * @dev Returns true if the key is in the map. O(1). */ function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) { return _contains(map._inner, bytes32(key)); } /** * @dev Returns the number of elements in the map. O(1). */ function length(UintToAddressMap storage map) internal view returns (uint256) { return _length(map._inner); } /** * @dev Returns the element stored at position `index` in the set. O(1). * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) { (bytes32 key, bytes32 value) = _at(map._inner, index); return (uint256(key), address(uint160(uint256(value)))); } /** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. * * _Available since v3.4._ */ function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) { (bool success, bytes32 value) = _tryGet(map._inner, bytes32(key)); return (success, address(uint160(uint256(value)))); } /** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */ function get(UintToAddressMap storage map, uint256 key) internal view returns (address) { return address(uint160(uint256(_get(map._inner, bytes32(key))))); } /** * @dev Same as {get}, with a custom error message when `key` is not in the map. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryGet}. */ function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) { return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage)))); } }
_set
function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) { // Equivalent to !contains(map, key) map._entries.push(MapEntry({ _key: key, _value: value })); // The entry is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value map._indexes[key] = map._entries.length; return true; } else { map._entries[keyIndex - 1]._value = value; return false; } }
/** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */
NatSpecMultiLine
v0.7.6+commit.7338295f
MIT
ipfs://c9934b71fc610797d2cdb07781f8b745bc463b58cb1b7325cc49abe91d425949
{ "func_code_index": [ 1091, 1788 ] }
200
HogeNFTv3
HogeNFTv3.sol
0xae58a033b6d7e66014fe88227c97680cc6ccecd9
Solidity
EnumerableMap
library EnumerableMap { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Map type with // bytes32 keys and values. // The Map implementation uses private functions, and user-facing // implementations (such as Uint256ToAddressMap) are just wrappers around // the underlying Map. // This means that we can only create new EnumerableMaps for types that fit // in bytes32. struct MapEntry { bytes32 _key; bytes32 _value; } struct Map { // Storage of map keys and values MapEntry[] _entries; // Position of the entry defined by a key in the `entries` array, plus 1 // because index 0 means a key is not in the map. mapping (bytes32 => uint256) _indexes; } /** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */ function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) { // Equivalent to !contains(map, key) map._entries.push(MapEntry({ _key: key, _value: value })); // The entry is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value map._indexes[key] = map._entries.length; return true; } else { map._entries[keyIndex - 1]._value = value; return false; } } /** * @dev Removes a key-value pair from a map. O(1). * * Returns true if the key was removed from the map, that is if it was present. */ function _remove(Map storage map, bytes32 key) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex != 0) { // Equivalent to contains(map, key) // To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one // in the array, and then remove the last entry (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = keyIndex - 1; uint256 lastIndex = map._entries.length - 1; // When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. MapEntry storage lastEntry = map._entries[lastIndex]; // Move the last entry to the index where the entry to delete is map._entries[toDeleteIndex] = lastEntry; // Update the index for the moved entry map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based // Delete the slot where the moved entry was stored map._entries.pop(); // Delete the index for the deleted slot delete map._indexes[key]; return true; } else { return false; } } /** * @dev Returns true if the key is in the map. O(1). */ function _contains(Map storage map, bytes32 key) private view returns (bool) { return map._indexes[key] != 0; } /** * @dev Returns the number of key-value pairs in the map. O(1). */ function _length(Map storage map) private view returns (uint256) { return map._entries.length; } /** * @dev Returns the key-value pair stored at position `index` in the map. O(1). * * Note that there are no guarantees on the ordering of entries inside the * array, and it may change when more entries are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) { require(map._entries.length > index, "EnumerableMap: index out of bounds"); MapEntry storage entry = map._entries[index]; return (entry._key, entry._value); } /** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. */ function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) { uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key) return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based } /** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */ function _get(Map storage map, bytes32 key) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based } /** * @dev Same as {_get}, with a custom error message when `key` is not in the map. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {_tryGet}. */ function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based } // UintToAddressMap struct UintToAddressMap { Map _inner; } /** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */ function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) { return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the key was removed from the map, that is if it was present. */ function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) { return _remove(map._inner, bytes32(key)); } /** * @dev Returns true if the key is in the map. O(1). */ function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) { return _contains(map._inner, bytes32(key)); } /** * @dev Returns the number of elements in the map. O(1). */ function length(UintToAddressMap storage map) internal view returns (uint256) { return _length(map._inner); } /** * @dev Returns the element stored at position `index` in the set. O(1). * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) { (bytes32 key, bytes32 value) = _at(map._inner, index); return (uint256(key), address(uint160(uint256(value)))); } /** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. * * _Available since v3.4._ */ function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) { (bool success, bytes32 value) = _tryGet(map._inner, bytes32(key)); return (success, address(uint160(uint256(value)))); } /** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */ function get(UintToAddressMap storage map, uint256 key) internal view returns (address) { return address(uint160(uint256(_get(map._inner, bytes32(key))))); } /** * @dev Same as {get}, with a custom error message when `key` is not in the map. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryGet}. */ function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) { return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage)))); } }
_remove
function _remove(Map storage map, bytes32 key) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex != 0) { // Equivalent to contains(map, key) // To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one // in the array, and then remove the last entry (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = keyIndex - 1; uint256 lastIndex = map._entries.length - 1; // When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. MapEntry storage lastEntry = map._entries[lastIndex]; // Move the last entry to the index where the entry to delete is map._entries[toDeleteIndex] = lastEntry; // Update the index for the moved entry map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based // Delete the slot where the moved entry was stored map._entries.pop(); // Delete the index for the deleted slot delete map._indexes[key]; return true; } else { return false; } }
/** * @dev Removes a key-value pair from a map. O(1). * * Returns true if the key was removed from the map, that is if it was present. */
NatSpecMultiLine
v0.7.6+commit.7338295f
MIT
ipfs://c9934b71fc610797d2cdb07781f8b745bc463b58cb1b7325cc49abe91d425949
{ "func_code_index": [ 1958, 3512 ] }
201
HogeNFTv3
HogeNFTv3.sol
0xae58a033b6d7e66014fe88227c97680cc6ccecd9
Solidity
EnumerableMap
library EnumerableMap { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Map type with // bytes32 keys and values. // The Map implementation uses private functions, and user-facing // implementations (such as Uint256ToAddressMap) are just wrappers around // the underlying Map. // This means that we can only create new EnumerableMaps for types that fit // in bytes32. struct MapEntry { bytes32 _key; bytes32 _value; } struct Map { // Storage of map keys and values MapEntry[] _entries; // Position of the entry defined by a key in the `entries` array, plus 1 // because index 0 means a key is not in the map. mapping (bytes32 => uint256) _indexes; } /** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */ function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) { // Equivalent to !contains(map, key) map._entries.push(MapEntry({ _key: key, _value: value })); // The entry is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value map._indexes[key] = map._entries.length; return true; } else { map._entries[keyIndex - 1]._value = value; return false; } } /** * @dev Removes a key-value pair from a map. O(1). * * Returns true if the key was removed from the map, that is if it was present. */ function _remove(Map storage map, bytes32 key) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex != 0) { // Equivalent to contains(map, key) // To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one // in the array, and then remove the last entry (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = keyIndex - 1; uint256 lastIndex = map._entries.length - 1; // When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. MapEntry storage lastEntry = map._entries[lastIndex]; // Move the last entry to the index where the entry to delete is map._entries[toDeleteIndex] = lastEntry; // Update the index for the moved entry map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based // Delete the slot where the moved entry was stored map._entries.pop(); // Delete the index for the deleted slot delete map._indexes[key]; return true; } else { return false; } } /** * @dev Returns true if the key is in the map. O(1). */ function _contains(Map storage map, bytes32 key) private view returns (bool) { return map._indexes[key] != 0; } /** * @dev Returns the number of key-value pairs in the map. O(1). */ function _length(Map storage map) private view returns (uint256) { return map._entries.length; } /** * @dev Returns the key-value pair stored at position `index` in the map. O(1). * * Note that there are no guarantees on the ordering of entries inside the * array, and it may change when more entries are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) { require(map._entries.length > index, "EnumerableMap: index out of bounds"); MapEntry storage entry = map._entries[index]; return (entry._key, entry._value); } /** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. */ function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) { uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key) return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based } /** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */ function _get(Map storage map, bytes32 key) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based } /** * @dev Same as {_get}, with a custom error message when `key` is not in the map. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {_tryGet}. */ function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based } // UintToAddressMap struct UintToAddressMap { Map _inner; } /** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */ function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) { return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the key was removed from the map, that is if it was present. */ function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) { return _remove(map._inner, bytes32(key)); } /** * @dev Returns true if the key is in the map. O(1). */ function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) { return _contains(map._inner, bytes32(key)); } /** * @dev Returns the number of elements in the map. O(1). */ function length(UintToAddressMap storage map) internal view returns (uint256) { return _length(map._inner); } /** * @dev Returns the element stored at position `index` in the set. O(1). * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) { (bytes32 key, bytes32 value) = _at(map._inner, index); return (uint256(key), address(uint160(uint256(value)))); } /** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. * * _Available since v3.4._ */ function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) { (bool success, bytes32 value) = _tryGet(map._inner, bytes32(key)); return (success, address(uint160(uint256(value)))); } /** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */ function get(UintToAddressMap storage map, uint256 key) internal view returns (address) { return address(uint160(uint256(_get(map._inner, bytes32(key))))); } /** * @dev Same as {get}, with a custom error message when `key` is not in the map. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryGet}. */ function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) { return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage)))); } }
_contains
function _contains(Map storage map, bytes32 key) private view returns (bool) { return map._indexes[key] != 0; }
/** * @dev Returns true if the key is in the map. O(1). */
NatSpecMultiLine
v0.7.6+commit.7338295f
MIT
ipfs://c9934b71fc610797d2cdb07781f8b745bc463b58cb1b7325cc49abe91d425949
{ "func_code_index": [ 3591, 3721 ] }
202
HogeNFTv3
HogeNFTv3.sol
0xae58a033b6d7e66014fe88227c97680cc6ccecd9
Solidity
EnumerableMap
library EnumerableMap { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Map type with // bytes32 keys and values. // The Map implementation uses private functions, and user-facing // implementations (such as Uint256ToAddressMap) are just wrappers around // the underlying Map. // This means that we can only create new EnumerableMaps for types that fit // in bytes32. struct MapEntry { bytes32 _key; bytes32 _value; } struct Map { // Storage of map keys and values MapEntry[] _entries; // Position of the entry defined by a key in the `entries` array, plus 1 // because index 0 means a key is not in the map. mapping (bytes32 => uint256) _indexes; } /** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */ function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) { // Equivalent to !contains(map, key) map._entries.push(MapEntry({ _key: key, _value: value })); // The entry is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value map._indexes[key] = map._entries.length; return true; } else { map._entries[keyIndex - 1]._value = value; return false; } } /** * @dev Removes a key-value pair from a map. O(1). * * Returns true if the key was removed from the map, that is if it was present. */ function _remove(Map storage map, bytes32 key) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex != 0) { // Equivalent to contains(map, key) // To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one // in the array, and then remove the last entry (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = keyIndex - 1; uint256 lastIndex = map._entries.length - 1; // When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. MapEntry storage lastEntry = map._entries[lastIndex]; // Move the last entry to the index where the entry to delete is map._entries[toDeleteIndex] = lastEntry; // Update the index for the moved entry map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based // Delete the slot where the moved entry was stored map._entries.pop(); // Delete the index for the deleted slot delete map._indexes[key]; return true; } else { return false; } } /** * @dev Returns true if the key is in the map. O(1). */ function _contains(Map storage map, bytes32 key) private view returns (bool) { return map._indexes[key] != 0; } /** * @dev Returns the number of key-value pairs in the map. O(1). */ function _length(Map storage map) private view returns (uint256) { return map._entries.length; } /** * @dev Returns the key-value pair stored at position `index` in the map. O(1). * * Note that there are no guarantees on the ordering of entries inside the * array, and it may change when more entries are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) { require(map._entries.length > index, "EnumerableMap: index out of bounds"); MapEntry storage entry = map._entries[index]; return (entry._key, entry._value); } /** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. */ function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) { uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key) return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based } /** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */ function _get(Map storage map, bytes32 key) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based } /** * @dev Same as {_get}, with a custom error message when `key` is not in the map. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {_tryGet}. */ function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based } // UintToAddressMap struct UintToAddressMap { Map _inner; } /** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */ function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) { return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the key was removed from the map, that is if it was present. */ function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) { return _remove(map._inner, bytes32(key)); } /** * @dev Returns true if the key is in the map. O(1). */ function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) { return _contains(map._inner, bytes32(key)); } /** * @dev Returns the number of elements in the map. O(1). */ function length(UintToAddressMap storage map) internal view returns (uint256) { return _length(map._inner); } /** * @dev Returns the element stored at position `index` in the set. O(1). * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) { (bytes32 key, bytes32 value) = _at(map._inner, index); return (uint256(key), address(uint160(uint256(value)))); } /** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. * * _Available since v3.4._ */ function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) { (bool success, bytes32 value) = _tryGet(map._inner, bytes32(key)); return (success, address(uint160(uint256(value)))); } /** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */ function get(UintToAddressMap storage map, uint256 key) internal view returns (address) { return address(uint160(uint256(_get(map._inner, bytes32(key))))); } /** * @dev Same as {get}, with a custom error message when `key` is not in the map. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryGet}. */ function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) { return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage)))); } }
_length
function _length(Map storage map) private view returns (uint256) { return map._entries.length; }
/** * @dev Returns the number of key-value pairs in the map. O(1). */
NatSpecMultiLine
v0.7.6+commit.7338295f
MIT
ipfs://c9934b71fc610797d2cdb07781f8b745bc463b58cb1b7325cc49abe91d425949
{ "func_code_index": [ 3811, 3926 ] }
203
HogeNFTv3
HogeNFTv3.sol
0xae58a033b6d7e66014fe88227c97680cc6ccecd9
Solidity
EnumerableMap
library EnumerableMap { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Map type with // bytes32 keys and values. // The Map implementation uses private functions, and user-facing // implementations (such as Uint256ToAddressMap) are just wrappers around // the underlying Map. // This means that we can only create new EnumerableMaps for types that fit // in bytes32. struct MapEntry { bytes32 _key; bytes32 _value; } struct Map { // Storage of map keys and values MapEntry[] _entries; // Position of the entry defined by a key in the `entries` array, plus 1 // because index 0 means a key is not in the map. mapping (bytes32 => uint256) _indexes; } /** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */ function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) { // Equivalent to !contains(map, key) map._entries.push(MapEntry({ _key: key, _value: value })); // The entry is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value map._indexes[key] = map._entries.length; return true; } else { map._entries[keyIndex - 1]._value = value; return false; } } /** * @dev Removes a key-value pair from a map. O(1). * * Returns true if the key was removed from the map, that is if it was present. */ function _remove(Map storage map, bytes32 key) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex != 0) { // Equivalent to contains(map, key) // To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one // in the array, and then remove the last entry (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = keyIndex - 1; uint256 lastIndex = map._entries.length - 1; // When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. MapEntry storage lastEntry = map._entries[lastIndex]; // Move the last entry to the index where the entry to delete is map._entries[toDeleteIndex] = lastEntry; // Update the index for the moved entry map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based // Delete the slot where the moved entry was stored map._entries.pop(); // Delete the index for the deleted slot delete map._indexes[key]; return true; } else { return false; } } /** * @dev Returns true if the key is in the map. O(1). */ function _contains(Map storage map, bytes32 key) private view returns (bool) { return map._indexes[key] != 0; } /** * @dev Returns the number of key-value pairs in the map. O(1). */ function _length(Map storage map) private view returns (uint256) { return map._entries.length; } /** * @dev Returns the key-value pair stored at position `index` in the map. O(1). * * Note that there are no guarantees on the ordering of entries inside the * array, and it may change when more entries are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) { require(map._entries.length > index, "EnumerableMap: index out of bounds"); MapEntry storage entry = map._entries[index]; return (entry._key, entry._value); } /** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. */ function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) { uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key) return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based } /** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */ function _get(Map storage map, bytes32 key) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based } /** * @dev Same as {_get}, with a custom error message when `key` is not in the map. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {_tryGet}. */ function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based } // UintToAddressMap struct UintToAddressMap { Map _inner; } /** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */ function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) { return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the key was removed from the map, that is if it was present. */ function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) { return _remove(map._inner, bytes32(key)); } /** * @dev Returns true if the key is in the map. O(1). */ function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) { return _contains(map._inner, bytes32(key)); } /** * @dev Returns the number of elements in the map. O(1). */ function length(UintToAddressMap storage map) internal view returns (uint256) { return _length(map._inner); } /** * @dev Returns the element stored at position `index` in the set. O(1). * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) { (bytes32 key, bytes32 value) = _at(map._inner, index); return (uint256(key), address(uint160(uint256(value)))); } /** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. * * _Available since v3.4._ */ function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) { (bool success, bytes32 value) = _tryGet(map._inner, bytes32(key)); return (success, address(uint160(uint256(value)))); } /** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */ function get(UintToAddressMap storage map, uint256 key) internal view returns (address) { return address(uint160(uint256(_get(map._inner, bytes32(key))))); } /** * @dev Same as {get}, with a custom error message when `key` is not in the map. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryGet}. */ function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) { return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage)))); } }
_at
function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) { require(map._entries.length > index, "EnumerableMap: index out of bounds"); MapEntry storage entry = map._entries[index]; return (entry._key, entry._value); }
/** * @dev Returns the key-value pair stored at position `index` in the map. O(1). * * Note that there are no guarantees on the ordering of entries inside the * array, and it may change when more entries are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */
NatSpecMultiLine
v0.7.6+commit.7338295f
MIT
ipfs://c9934b71fc610797d2cdb07781f8b745bc463b58cb1b7325cc49abe91d425949
{ "func_code_index": [ 4286, 4570 ] }
204
HogeNFTv3
HogeNFTv3.sol
0xae58a033b6d7e66014fe88227c97680cc6ccecd9
Solidity
EnumerableMap
library EnumerableMap { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Map type with // bytes32 keys and values. // The Map implementation uses private functions, and user-facing // implementations (such as Uint256ToAddressMap) are just wrappers around // the underlying Map. // This means that we can only create new EnumerableMaps for types that fit // in bytes32. struct MapEntry { bytes32 _key; bytes32 _value; } struct Map { // Storage of map keys and values MapEntry[] _entries; // Position of the entry defined by a key in the `entries` array, plus 1 // because index 0 means a key is not in the map. mapping (bytes32 => uint256) _indexes; } /** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */ function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) { // Equivalent to !contains(map, key) map._entries.push(MapEntry({ _key: key, _value: value })); // The entry is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value map._indexes[key] = map._entries.length; return true; } else { map._entries[keyIndex - 1]._value = value; return false; } } /** * @dev Removes a key-value pair from a map. O(1). * * Returns true if the key was removed from the map, that is if it was present. */ function _remove(Map storage map, bytes32 key) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex != 0) { // Equivalent to contains(map, key) // To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one // in the array, and then remove the last entry (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = keyIndex - 1; uint256 lastIndex = map._entries.length - 1; // When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. MapEntry storage lastEntry = map._entries[lastIndex]; // Move the last entry to the index where the entry to delete is map._entries[toDeleteIndex] = lastEntry; // Update the index for the moved entry map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based // Delete the slot where the moved entry was stored map._entries.pop(); // Delete the index for the deleted slot delete map._indexes[key]; return true; } else { return false; } } /** * @dev Returns true if the key is in the map. O(1). */ function _contains(Map storage map, bytes32 key) private view returns (bool) { return map._indexes[key] != 0; } /** * @dev Returns the number of key-value pairs in the map. O(1). */ function _length(Map storage map) private view returns (uint256) { return map._entries.length; } /** * @dev Returns the key-value pair stored at position `index` in the map. O(1). * * Note that there are no guarantees on the ordering of entries inside the * array, and it may change when more entries are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) { require(map._entries.length > index, "EnumerableMap: index out of bounds"); MapEntry storage entry = map._entries[index]; return (entry._key, entry._value); } /** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. */ function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) { uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key) return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based } /** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */ function _get(Map storage map, bytes32 key) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based } /** * @dev Same as {_get}, with a custom error message when `key` is not in the map. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {_tryGet}. */ function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based } // UintToAddressMap struct UintToAddressMap { Map _inner; } /** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */ function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) { return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the key was removed from the map, that is if it was present. */ function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) { return _remove(map._inner, bytes32(key)); } /** * @dev Returns true if the key is in the map. O(1). */ function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) { return _contains(map._inner, bytes32(key)); } /** * @dev Returns the number of elements in the map. O(1). */ function length(UintToAddressMap storage map) internal view returns (uint256) { return _length(map._inner); } /** * @dev Returns the element stored at position `index` in the set. O(1). * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) { (bytes32 key, bytes32 value) = _at(map._inner, index); return (uint256(key), address(uint160(uint256(value)))); } /** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. * * _Available since v3.4._ */ function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) { (bool success, bytes32 value) = _tryGet(map._inner, bytes32(key)); return (success, address(uint160(uint256(value)))); } /** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */ function get(UintToAddressMap storage map, uint256 key) internal view returns (address) { return address(uint160(uint256(_get(map._inner, bytes32(key))))); } /** * @dev Same as {get}, with a custom error message when `key` is not in the map. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryGet}. */ function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) { return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage)))); } }
_tryGet
function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) { uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key) return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based }
/** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. */
NatSpecMultiLine
v0.7.6+commit.7338295f
MIT
ipfs://c9934b71fc610797d2cdb07781f8b745bc463b58cb1b7325cc49abe91d425949
{ "func_code_index": [ 4713, 5026 ] }
205
HogeNFTv3
HogeNFTv3.sol
0xae58a033b6d7e66014fe88227c97680cc6ccecd9
Solidity
EnumerableMap
library EnumerableMap { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Map type with // bytes32 keys and values. // The Map implementation uses private functions, and user-facing // implementations (such as Uint256ToAddressMap) are just wrappers around // the underlying Map. // This means that we can only create new EnumerableMaps for types that fit // in bytes32. struct MapEntry { bytes32 _key; bytes32 _value; } struct Map { // Storage of map keys and values MapEntry[] _entries; // Position of the entry defined by a key in the `entries` array, plus 1 // because index 0 means a key is not in the map. mapping (bytes32 => uint256) _indexes; } /** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */ function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) { // Equivalent to !contains(map, key) map._entries.push(MapEntry({ _key: key, _value: value })); // The entry is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value map._indexes[key] = map._entries.length; return true; } else { map._entries[keyIndex - 1]._value = value; return false; } } /** * @dev Removes a key-value pair from a map. O(1). * * Returns true if the key was removed from the map, that is if it was present. */ function _remove(Map storage map, bytes32 key) private returns (bool) { // We read and store the key's index to prevent multiple reads from the same storage slot uint256 keyIndex = map._indexes[key]; if (keyIndex != 0) { // Equivalent to contains(map, key) // To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one // in the array, and then remove the last entry (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = keyIndex - 1; uint256 lastIndex = map._entries.length - 1; // When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. MapEntry storage lastEntry = map._entries[lastIndex]; // Move the last entry to the index where the entry to delete is map._entries[toDeleteIndex] = lastEntry; // Update the index for the moved entry map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based // Delete the slot where the moved entry was stored map._entries.pop(); // Delete the index for the deleted slot delete map._indexes[key]; return true; } else { return false; } } /** * @dev Returns true if the key is in the map. O(1). */ function _contains(Map storage map, bytes32 key) private view returns (bool) { return map._indexes[key] != 0; } /** * @dev Returns the number of key-value pairs in the map. O(1). */ function _length(Map storage map) private view returns (uint256) { return map._entries.length; } /** * @dev Returns the key-value pair stored at position `index` in the map. O(1). * * Note that there are no guarantees on the ordering of entries inside the * array, and it may change when more entries are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) { require(map._entries.length > index, "EnumerableMap: index out of bounds"); MapEntry storage entry = map._entries[index]; return (entry._key, entry._value); } /** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. */ function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) { uint256 keyIndex = map._indexes[key]; if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key) return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based } /** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */ function _get(Map storage map, bytes32 key) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based } /** * @dev Same as {_get}, with a custom error message when `key` is not in the map. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {_tryGet}. */ function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based } // UintToAddressMap struct UintToAddressMap { Map _inner; } /** * @dev Adds a key-value pair to a map, or updates the value for an existing * key. O(1). * * Returns true if the key was added to the map, that is if it was not * already present. */ function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) { return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the key was removed from the map, that is if it was present. */ function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) { return _remove(map._inner, bytes32(key)); } /** * @dev Returns true if the key is in the map. O(1). */ function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) { return _contains(map._inner, bytes32(key)); } /** * @dev Returns the number of elements in the map. O(1). */ function length(UintToAddressMap storage map) internal view returns (uint256) { return _length(map._inner); } /** * @dev Returns the element stored at position `index` in the set. O(1). * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) { (bytes32 key, bytes32 value) = _at(map._inner, index); return (uint256(key), address(uint160(uint256(value)))); } /** * @dev Tries to returns the value associated with `key`. O(1). * Does not revert if `key` is not in the map. * * _Available since v3.4._ */ function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) { (bool success, bytes32 value) = _tryGet(map._inner, bytes32(key)); return (success, address(uint160(uint256(value)))); } /** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */ function get(UintToAddressMap storage map, uint256 key) internal view returns (address) { return address(uint160(uint256(_get(map._inner, bytes32(key))))); } /** * @dev Same as {get}, with a custom error message when `key` is not in the map. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryGet}. */ function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) { return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage)))); } }
_get
function _get(Map storage map, bytes32 key) private view returns (bytes32) { uint256 keyIndex = map._indexes[key]; require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key) return map._entries[keyIndex - 1]._value; // All indexes are 1-based }
/** * @dev Returns the value associated with `key`. O(1). * * Requirements: * * - `key` must be in the map. */
NatSpecMultiLine
v0.7.6+commit.7338295f
MIT
ipfs://c9934b71fc610797d2cdb07781f8b745bc463b58cb1b7325cc49abe91d425949
{ "func_code_index": [ 5182, 5498 ] }
206