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60.4k
DecentrEx
DecentrEx.sol
0x728974844947e09b77f01ba1ef115230ddc8a9a0
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); uint public decimals; string public name; }
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
v0.4.8+commit.60cc1668
bzzr://68b8d75990c02744ad9b01451030f1a0ac004ffbf0f66ffe65bfdeb81512b5c9
{ "func_code_index": [ 526, 601 ] }
55,661
DecentrEx
DecentrEx.sol
0x728974844947e09b77f01ba1ef115230ddc8a9a0
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); uint public decimals; string public name; }
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
v0.4.8+commit.60cc1668
bzzr://68b8d75990c02744ad9b01451030f1a0ac004ffbf0f66ffe65bfdeb81512b5c9
{ "func_code_index": [ 914, 1008 ] }
55,662
DecentrEx
DecentrEx.sol
0x728974844947e09b77f01ba1ef115230ddc8a9a0
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); uint public decimals; string public name; }
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
v0.4.8+commit.60cc1668
bzzr://68b8d75990c02744ad9b01451030f1a0ac004ffbf0f66ffe65bfdeb81512b5c9
{ "func_code_index": [ 1284, 1363 ] }
55,663
DecentrEx
DecentrEx.sol
0x728974844947e09b77f01ba1ef115230ddc8a9a0
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); uint public decimals; string public name; }
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
v0.4.8+commit.60cc1668
bzzr://68b8d75990c02744ad9b01451030f1a0ac004ffbf0f66ffe65bfdeb81512b5c9
{ "func_code_index": [ 1565, 1660 ] }
55,664
DecentrEx
DecentrEx.sol
0x728974844947e09b77f01ba1ef115230ddc8a9a0
Solidity
AccountLevels
contract AccountLevels { //given a user, returns an account level //0 = regular user (pays take fee and make fee) //1 = market maker silver (pays take fee, no make fee, gets rebate) //2 = market maker gold (pays take fee, no make fee, gets entire counterparty's take fee as rebate) function accountLevel(address user) constant returns(uint) {} }
accountLevel
function accountLevel(address user) constant returns(uint) {}
//given a user, returns an account level //0 = regular user (pays take fee and make fee) //1 = market maker silver (pays take fee, no make fee, gets rebate) //2 = market maker gold (pays take fee, no make fee, gets entire counterparty's take fee as rebate)
LineComment
v0.4.8+commit.60cc1668
bzzr://68b8d75990c02744ad9b01451030f1a0ac004ffbf0f66ffe65bfdeb81512b5c9
{ "func_code_index": [ 295, 359 ] }
55,665
PrtToken
prt.sol
0xe144b04c2690ea958fa63268aa975e685df7c23e
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
v0.4.24+commit.e67f0147
None
bzzr://9e6fc479c539177d4570056a2bfb57c864a0e854ce60bb96571ab58f76f84320
{ "func_code_index": [ 78, 410 ] }
55,666
PrtToken
prt.sol
0xe144b04c2690ea958fa63268aa975e685df7c23e
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
v0.4.24+commit.e67f0147
None
bzzr://9e6fc479c539177d4570056a2bfb57c864a0e854ce60bb96571ab58f76f84320
{ "func_code_index": [ 484, 738 ] }
55,667
PrtToken
prt.sol
0xe144b04c2690ea958fa63268aa975e685df7c23e
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
v0.4.24+commit.e67f0147
None
bzzr://9e6fc479c539177d4570056a2bfb57c864a0e854ce60bb96571ab58f76f84320
{ "func_code_index": [ 841, 941 ] }
55,668
PrtToken
prt.sol
0xe144b04c2690ea958fa63268aa975e685df7c23e
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
v0.4.24+commit.e67f0147
None
bzzr://9e6fc479c539177d4570056a2bfb57c864a0e854ce60bb96571ab58f76f84320
{ "func_code_index": [ 996, 1105 ] }
55,669
PrtToken
prt.sol
0xe144b04c2690ea958fa63268aa975e685df7c23e
Solidity
BasicToken
contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 totalSupply_; /** * @dev total number of tokens in existence * */ function totalSupply() public view returns (uint256){ return totalSupply_; } /** * @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 returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; //AUDIT// 返回值符合 EIP20 规范 } /** * @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) { return balances[_owner]; } }
/** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */
NatSpecMultiLine
totalSupply
function totalSupply() public view returns (uint256){ return totalSupply_; }
/** * @dev total number of tokens in existence * */
NatSpecMultiLine
v0.4.24+commit.e67f0147
None
bzzr://9e6fc479c539177d4570056a2bfb57c864a0e854ce60bb96571ab58f76f84320
{ "func_code_index": [ 177, 253 ] }
55,670
PrtToken
prt.sol
0xe144b04c2690ea958fa63268aa975e685df7c23e
Solidity
BasicToken
contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 totalSupply_; /** * @dev total number of tokens in existence * */ function totalSupply() public view returns (uint256){ return totalSupply_; } /** * @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 returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; //AUDIT// 返回值符合 EIP20 规范 } /** * @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) { return balances[_owner]; } }
/** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */
NatSpecMultiLine
transfer
function transfer(address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; //AUDIT// 返回值符合 EIP20 规范 }
/** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
None
bzzr://9e6fc479c539177d4570056a2bfb57c864a0e854ce60bb96571ab58f76f84320
{ "func_code_index": [ 395, 715 ] }
55,671
PrtToken
prt.sol
0xe144b04c2690ea958fa63268aa975e685df7c23e
Solidity
BasicToken
contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 totalSupply_; /** * @dev total number of tokens in existence * */ function totalSupply() public view returns (uint256){ return totalSupply_; } /** * @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 returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; //AUDIT// 返回值符合 EIP20 规范 } /** * @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) { return balances[_owner]; } }
/** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */
NatSpecMultiLine
balanceOf
function balanceOf(address _owner) public view returns (uint256) { 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
v0.4.24+commit.e67f0147
None
bzzr://9e6fc479c539177d4570056a2bfb57c864a0e854ce60bb96571ab58f76f84320
{ "func_code_index": [ 906, 999 ] }
55,672
PrtToken
prt.sol
0xe144b04c2690ea958fa63268aa975e685df7c23e
Solidity
StandardToken
contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal 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 returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); emit Transfer(_from, _to, _value); return true; //AUDIT// 返回值符合 EIP20 规范 } /** * @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 returns (bool) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } }
transferFrom
function transferFrom( address _from, address _to, uint256 _value ) public returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); emit Transfer(_from, _to, _value); return true; //AUDIT// 返回值符合 EIP20 规范 }
/** * @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
v0.4.24+commit.e67f0147
None
bzzr://9e6fc479c539177d4570056a2bfb57c864a0e854ce60bb96571ab58f76f84320
{ "func_code_index": [ 370, 807 ] }
55,673
PrtToken
prt.sol
0xe144b04c2690ea958fa63268aa975e685df7c23e
Solidity
StandardToken
contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal 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 returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); emit Transfer(_from, _to, _value); return true; //AUDIT// 返回值符合 EIP20 规范 } /** * @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 returns (bool) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } }
approve
function approve(address _spender, uint256 _value) public returns (bool) { 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
v0.4.24+commit.e67f0147
None
bzzr://9e6fc479c539177d4570056a2bfb57c864a0e854ce60bb96571ab58f76f84320
{ "func_code_index": [ 1398, 1572 ] }
55,674
PrtToken
prt.sol
0xe144b04c2690ea958fa63268aa975e685df7c23e
Solidity
StandardToken
contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal 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 returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); emit Transfer(_from, _to, _value); return true; //AUDIT// 返回值符合 EIP20 规范 } /** * @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 returns (bool) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } }
allowance
function allowance( address _owner, address _spender ) public view returns (uint256) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
None
bzzr://9e6fc479c539177d4570056a2bfb57c864a0e854ce60bb96571ab58f76f84320
{ "func_code_index": [ 1872, 1994 ] }
55,675
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
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
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 89, 476 ] }
55,676
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
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
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 560, 840 ] }
55,677
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
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
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 954, 1070 ] }
55,678
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
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
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 1134, 1264 ] }
55,679
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
Crowdsale
contract Crowdsale { using SafeMath for uint256; // The token being sold ERC20 public token; // Address where funds are collected address public wallet; // How many token units a buyer gets per wei. // The rate is the conversion between wei and the smallest and indivisible token unit. // So, if you are using a rate of 1 with a DetailedERC20 token with 3 decimals called TOK // 1 wei will give you 1 unit, or 0.001 TOK. uint256 public rate; // Amount of wei raised 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 ); /** * @param _rate Number of token units a buyer gets per wei * @param _wallet Address where collected funds will be forwarded to * @param _token Address of the token being sold */ constructor(uint256 _rate, address _wallet, ERC20 _token) public { require(_rate > 0); require(_wallet != address(0)); require(_token != address(0)); rate = _rate; wallet = _wallet; token = _token; } // ----------------------------------------- // Crowdsale external interface // ----------------------------------------- /** * @dev fallback function ***DO NOT OVERRIDE*** */ function () external payable { buyTokens(msg.sender); } /** * @dev low level token purchase ***DO NOT OVERRIDE*** * @param _beneficiary Address performing the token purchase */ function buyTokens(address _beneficiary) public payable { uint256 weiAmount = msg.value; _preValidatePurchase(_beneficiary, weiAmount); // calculate token amount to be created uint256 tokens = _getTokenAmount(weiAmount); // update state weiRaised = weiRaised.add(weiAmount); _processPurchase(_beneficiary, tokens); emit TokenPurchase( msg.sender, _beneficiary, weiAmount, tokens ); _updatePurchasingState(_beneficiary, weiAmount); _forwardFunds(); _postValidatePurchase(_beneficiary, weiAmount); } // ----------------------------------------- // Internal interface (extensible) // ----------------------------------------- /** * @dev Validation of an incoming purchase. Use require statements to revert state when conditions are not met. Use super to concatenate validations. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _preValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { require(_beneficiary != address(0)); require(_weiAmount != 0); } /** * @dev Validation of an executed purchase. Observe state and use revert statements to undo rollback when valid conditions are not met. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _postValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Source of tokens. Override this method to modify the way in which the crowdsale ultimately gets and sends its tokens. * @param _beneficiary Address performing the token purchase * @param _tokenAmount Number of tokens to be emitted */ function _deliverTokens( address _beneficiary, uint256 _tokenAmount ) internal { token.transfer(_beneficiary, _tokenAmount); } /** * @dev Executed when a purchase has been validated and is ready to be executed. Not necessarily emits/sends tokens. * @param _beneficiary Address receiving the tokens * @param _tokenAmount Number of tokens to be purchased */ function _processPurchase( address _beneficiary, uint256 _tokenAmount ) internal { _deliverTokens(_beneficiary, _tokenAmount); } /** * @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.) * @param _beneficiary Address receiving the tokens * @param _weiAmount Value in wei involved in the purchase */ function _updatePurchasingState( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Override to extend the way in which ether is converted to tokens. * @param _weiAmount Value in wei to be converted into tokens * @return Number of tokens that can be purchased with the specified _weiAmount */ function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { return _weiAmount.mul(rate); } /** * @dev Determines how ETH is stored/forwarded on purchases. */ function _forwardFunds() internal { wallet.transfer(msg.value); } }
/** * @title Crowdsale * @dev Crowdsale is a base contract for managing a token crowdsale, * allowing investors to purchase tokens with ether. This contract implements * such functionality in its most fundamental form and can be extended to provide additional * functionality and/or custom behavior. * The external interface represents the basic interface for purchasing tokens, and conform * the base architecture for crowdsales. They are *not* intended to be modified / overriden. * The internal interface conforms the extensible and modifiable surface of crowdsales. Override * the methods to add functionality. Consider using 'super' where appropiate to concatenate * behavior. */
NatSpecMultiLine
function () external payable { buyTokens(msg.sender); }
/** * @dev fallback function ***DO NOT OVERRIDE*** */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 1548, 1614 ] }
55,680
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
Crowdsale
contract Crowdsale { using SafeMath for uint256; // The token being sold ERC20 public token; // Address where funds are collected address public wallet; // How many token units a buyer gets per wei. // The rate is the conversion between wei and the smallest and indivisible token unit. // So, if you are using a rate of 1 with a DetailedERC20 token with 3 decimals called TOK // 1 wei will give you 1 unit, or 0.001 TOK. uint256 public rate; // Amount of wei raised 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 ); /** * @param _rate Number of token units a buyer gets per wei * @param _wallet Address where collected funds will be forwarded to * @param _token Address of the token being sold */ constructor(uint256 _rate, address _wallet, ERC20 _token) public { require(_rate > 0); require(_wallet != address(0)); require(_token != address(0)); rate = _rate; wallet = _wallet; token = _token; } // ----------------------------------------- // Crowdsale external interface // ----------------------------------------- /** * @dev fallback function ***DO NOT OVERRIDE*** */ function () external payable { buyTokens(msg.sender); } /** * @dev low level token purchase ***DO NOT OVERRIDE*** * @param _beneficiary Address performing the token purchase */ function buyTokens(address _beneficiary) public payable { uint256 weiAmount = msg.value; _preValidatePurchase(_beneficiary, weiAmount); // calculate token amount to be created uint256 tokens = _getTokenAmount(weiAmount); // update state weiRaised = weiRaised.add(weiAmount); _processPurchase(_beneficiary, tokens); emit TokenPurchase( msg.sender, _beneficiary, weiAmount, tokens ); _updatePurchasingState(_beneficiary, weiAmount); _forwardFunds(); _postValidatePurchase(_beneficiary, weiAmount); } // ----------------------------------------- // Internal interface (extensible) // ----------------------------------------- /** * @dev Validation of an incoming purchase. Use require statements to revert state when conditions are not met. Use super to concatenate validations. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _preValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { require(_beneficiary != address(0)); require(_weiAmount != 0); } /** * @dev Validation of an executed purchase. Observe state and use revert statements to undo rollback when valid conditions are not met. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _postValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Source of tokens. Override this method to modify the way in which the crowdsale ultimately gets and sends its tokens. * @param _beneficiary Address performing the token purchase * @param _tokenAmount Number of tokens to be emitted */ function _deliverTokens( address _beneficiary, uint256 _tokenAmount ) internal { token.transfer(_beneficiary, _tokenAmount); } /** * @dev Executed when a purchase has been validated and is ready to be executed. Not necessarily emits/sends tokens. * @param _beneficiary Address receiving the tokens * @param _tokenAmount Number of tokens to be purchased */ function _processPurchase( address _beneficiary, uint256 _tokenAmount ) internal { _deliverTokens(_beneficiary, _tokenAmount); } /** * @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.) * @param _beneficiary Address receiving the tokens * @param _weiAmount Value in wei involved in the purchase */ function _updatePurchasingState( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Override to extend the way in which ether is converted to tokens. * @param _weiAmount Value in wei to be converted into tokens * @return Number of tokens that can be purchased with the specified _weiAmount */ function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { return _weiAmount.mul(rate); } /** * @dev Determines how ETH is stored/forwarded on purchases. */ function _forwardFunds() internal { wallet.transfer(msg.value); } }
/** * @title Crowdsale * @dev Crowdsale is a base contract for managing a token crowdsale, * allowing investors to purchase tokens with ether. This contract implements * such functionality in its most fundamental form and can be extended to provide additional * functionality and/or custom behavior. * The external interface represents the basic interface for purchasing tokens, and conform * the base architecture for crowdsales. They are *not* intended to be modified / overriden. * The internal interface conforms the extensible and modifiable surface of crowdsales. Override * the methods to add functionality. Consider using 'super' where appropiate to concatenate * behavior. */
NatSpecMultiLine
buyTokens
function buyTokens(address _beneficiary) public payable { uint256 weiAmount = msg.value; _preValidatePurchase(_beneficiary, weiAmount); // calculate token amount to be created uint256 tokens = _getTokenAmount(weiAmount); // update state weiRaised = weiRaised.add(weiAmount); _processPurchase(_beneficiary, tokens); emit TokenPurchase( msg.sender, _beneficiary, weiAmount, tokens ); _updatePurchasingState(_beneficiary, weiAmount); _forwardFunds(); _postValidatePurchase(_beneficiary, weiAmount); }
/** * @dev low level token purchase ***DO NOT OVERRIDE*** * @param _beneficiary Address performing the token purchase */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 1753, 2356 ] }
55,681
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
Crowdsale
contract Crowdsale { using SafeMath for uint256; // The token being sold ERC20 public token; // Address where funds are collected address public wallet; // How many token units a buyer gets per wei. // The rate is the conversion between wei and the smallest and indivisible token unit. // So, if you are using a rate of 1 with a DetailedERC20 token with 3 decimals called TOK // 1 wei will give you 1 unit, or 0.001 TOK. uint256 public rate; // Amount of wei raised 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 ); /** * @param _rate Number of token units a buyer gets per wei * @param _wallet Address where collected funds will be forwarded to * @param _token Address of the token being sold */ constructor(uint256 _rate, address _wallet, ERC20 _token) public { require(_rate > 0); require(_wallet != address(0)); require(_token != address(0)); rate = _rate; wallet = _wallet; token = _token; } // ----------------------------------------- // Crowdsale external interface // ----------------------------------------- /** * @dev fallback function ***DO NOT OVERRIDE*** */ function () external payable { buyTokens(msg.sender); } /** * @dev low level token purchase ***DO NOT OVERRIDE*** * @param _beneficiary Address performing the token purchase */ function buyTokens(address _beneficiary) public payable { uint256 weiAmount = msg.value; _preValidatePurchase(_beneficiary, weiAmount); // calculate token amount to be created uint256 tokens = _getTokenAmount(weiAmount); // update state weiRaised = weiRaised.add(weiAmount); _processPurchase(_beneficiary, tokens); emit TokenPurchase( msg.sender, _beneficiary, weiAmount, tokens ); _updatePurchasingState(_beneficiary, weiAmount); _forwardFunds(); _postValidatePurchase(_beneficiary, weiAmount); } // ----------------------------------------- // Internal interface (extensible) // ----------------------------------------- /** * @dev Validation of an incoming purchase. Use require statements to revert state when conditions are not met. Use super to concatenate validations. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _preValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { require(_beneficiary != address(0)); require(_weiAmount != 0); } /** * @dev Validation of an executed purchase. Observe state and use revert statements to undo rollback when valid conditions are not met. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _postValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Source of tokens. Override this method to modify the way in which the crowdsale ultimately gets and sends its tokens. * @param _beneficiary Address performing the token purchase * @param _tokenAmount Number of tokens to be emitted */ function _deliverTokens( address _beneficiary, uint256 _tokenAmount ) internal { token.transfer(_beneficiary, _tokenAmount); } /** * @dev Executed when a purchase has been validated and is ready to be executed. Not necessarily emits/sends tokens. * @param _beneficiary Address receiving the tokens * @param _tokenAmount Number of tokens to be purchased */ function _processPurchase( address _beneficiary, uint256 _tokenAmount ) internal { _deliverTokens(_beneficiary, _tokenAmount); } /** * @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.) * @param _beneficiary Address receiving the tokens * @param _weiAmount Value in wei involved in the purchase */ function _updatePurchasingState( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Override to extend the way in which ether is converted to tokens. * @param _weiAmount Value in wei to be converted into tokens * @return Number of tokens that can be purchased with the specified _weiAmount */ function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { return _weiAmount.mul(rate); } /** * @dev Determines how ETH is stored/forwarded on purchases. */ function _forwardFunds() internal { wallet.transfer(msg.value); } }
/** * @title Crowdsale * @dev Crowdsale is a base contract for managing a token crowdsale, * allowing investors to purchase tokens with ether. This contract implements * such functionality in its most fundamental form and can be extended to provide additional * functionality and/or custom behavior. * The external interface represents the basic interface for purchasing tokens, and conform * the base architecture for crowdsales. They are *not* intended to be modified / overriden. * The internal interface conforms the extensible and modifiable surface of crowdsales. Override * the methods to add functionality. Consider using 'super' where appropiate to concatenate * behavior. */
NatSpecMultiLine
_preValidatePurchase
function _preValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { require(_beneficiary != address(0)); require(_weiAmount != 0); }
/** * @dev Validation of an incoming purchase. Use require statements to revert state when conditions are not met. Use super to concatenate validations. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 2788, 2974 ] }
55,682
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
Crowdsale
contract Crowdsale { using SafeMath for uint256; // The token being sold ERC20 public token; // Address where funds are collected address public wallet; // How many token units a buyer gets per wei. // The rate is the conversion between wei and the smallest and indivisible token unit. // So, if you are using a rate of 1 with a DetailedERC20 token with 3 decimals called TOK // 1 wei will give you 1 unit, or 0.001 TOK. uint256 public rate; // Amount of wei raised 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 ); /** * @param _rate Number of token units a buyer gets per wei * @param _wallet Address where collected funds will be forwarded to * @param _token Address of the token being sold */ constructor(uint256 _rate, address _wallet, ERC20 _token) public { require(_rate > 0); require(_wallet != address(0)); require(_token != address(0)); rate = _rate; wallet = _wallet; token = _token; } // ----------------------------------------- // Crowdsale external interface // ----------------------------------------- /** * @dev fallback function ***DO NOT OVERRIDE*** */ function () external payable { buyTokens(msg.sender); } /** * @dev low level token purchase ***DO NOT OVERRIDE*** * @param _beneficiary Address performing the token purchase */ function buyTokens(address _beneficiary) public payable { uint256 weiAmount = msg.value; _preValidatePurchase(_beneficiary, weiAmount); // calculate token amount to be created uint256 tokens = _getTokenAmount(weiAmount); // update state weiRaised = weiRaised.add(weiAmount); _processPurchase(_beneficiary, tokens); emit TokenPurchase( msg.sender, _beneficiary, weiAmount, tokens ); _updatePurchasingState(_beneficiary, weiAmount); _forwardFunds(); _postValidatePurchase(_beneficiary, weiAmount); } // ----------------------------------------- // Internal interface (extensible) // ----------------------------------------- /** * @dev Validation of an incoming purchase. Use require statements to revert state when conditions are not met. Use super to concatenate validations. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _preValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { require(_beneficiary != address(0)); require(_weiAmount != 0); } /** * @dev Validation of an executed purchase. Observe state and use revert statements to undo rollback when valid conditions are not met. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _postValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Source of tokens. Override this method to modify the way in which the crowdsale ultimately gets and sends its tokens. * @param _beneficiary Address performing the token purchase * @param _tokenAmount Number of tokens to be emitted */ function _deliverTokens( address _beneficiary, uint256 _tokenAmount ) internal { token.transfer(_beneficiary, _tokenAmount); } /** * @dev Executed when a purchase has been validated and is ready to be executed. Not necessarily emits/sends tokens. * @param _beneficiary Address receiving the tokens * @param _tokenAmount Number of tokens to be purchased */ function _processPurchase( address _beneficiary, uint256 _tokenAmount ) internal { _deliverTokens(_beneficiary, _tokenAmount); } /** * @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.) * @param _beneficiary Address receiving the tokens * @param _weiAmount Value in wei involved in the purchase */ function _updatePurchasingState( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Override to extend the way in which ether is converted to tokens. * @param _weiAmount Value in wei to be converted into tokens * @return Number of tokens that can be purchased with the specified _weiAmount */ function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { return _weiAmount.mul(rate); } /** * @dev Determines how ETH is stored/forwarded on purchases. */ function _forwardFunds() internal { wallet.transfer(msg.value); } }
/** * @title Crowdsale * @dev Crowdsale is a base contract for managing a token crowdsale, * allowing investors to purchase tokens with ether. This contract implements * such functionality in its most fundamental form and can be extended to provide additional * functionality and/or custom behavior. * The external interface represents the basic interface for purchasing tokens, and conform * the base architecture for crowdsales. They are *not* intended to be modified / overriden. * The internal interface conforms the extensible and modifiable surface of crowdsales. Override * the methods to add functionality. Consider using 'super' where appropiate to concatenate * behavior. */
NatSpecMultiLine
_postValidatePurchase
function _postValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { // optional override }
/** * @dev Validation of an executed purchase. Observe state and use revert statements to undo rollback when valid conditions are not met. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 3256, 3396 ] }
55,683
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
Crowdsale
contract Crowdsale { using SafeMath for uint256; // The token being sold ERC20 public token; // Address where funds are collected address public wallet; // How many token units a buyer gets per wei. // The rate is the conversion between wei and the smallest and indivisible token unit. // So, if you are using a rate of 1 with a DetailedERC20 token with 3 decimals called TOK // 1 wei will give you 1 unit, or 0.001 TOK. uint256 public rate; // Amount of wei raised 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 ); /** * @param _rate Number of token units a buyer gets per wei * @param _wallet Address where collected funds will be forwarded to * @param _token Address of the token being sold */ constructor(uint256 _rate, address _wallet, ERC20 _token) public { require(_rate > 0); require(_wallet != address(0)); require(_token != address(0)); rate = _rate; wallet = _wallet; token = _token; } // ----------------------------------------- // Crowdsale external interface // ----------------------------------------- /** * @dev fallback function ***DO NOT OVERRIDE*** */ function () external payable { buyTokens(msg.sender); } /** * @dev low level token purchase ***DO NOT OVERRIDE*** * @param _beneficiary Address performing the token purchase */ function buyTokens(address _beneficiary) public payable { uint256 weiAmount = msg.value; _preValidatePurchase(_beneficiary, weiAmount); // calculate token amount to be created uint256 tokens = _getTokenAmount(weiAmount); // update state weiRaised = weiRaised.add(weiAmount); _processPurchase(_beneficiary, tokens); emit TokenPurchase( msg.sender, _beneficiary, weiAmount, tokens ); _updatePurchasingState(_beneficiary, weiAmount); _forwardFunds(); _postValidatePurchase(_beneficiary, weiAmount); } // ----------------------------------------- // Internal interface (extensible) // ----------------------------------------- /** * @dev Validation of an incoming purchase. Use require statements to revert state when conditions are not met. Use super to concatenate validations. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _preValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { require(_beneficiary != address(0)); require(_weiAmount != 0); } /** * @dev Validation of an executed purchase. Observe state and use revert statements to undo rollback when valid conditions are not met. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _postValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Source of tokens. Override this method to modify the way in which the crowdsale ultimately gets and sends its tokens. * @param _beneficiary Address performing the token purchase * @param _tokenAmount Number of tokens to be emitted */ function _deliverTokens( address _beneficiary, uint256 _tokenAmount ) internal { token.transfer(_beneficiary, _tokenAmount); } /** * @dev Executed when a purchase has been validated and is ready to be executed. Not necessarily emits/sends tokens. * @param _beneficiary Address receiving the tokens * @param _tokenAmount Number of tokens to be purchased */ function _processPurchase( address _beneficiary, uint256 _tokenAmount ) internal { _deliverTokens(_beneficiary, _tokenAmount); } /** * @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.) * @param _beneficiary Address receiving the tokens * @param _weiAmount Value in wei involved in the purchase */ function _updatePurchasingState( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Override to extend the way in which ether is converted to tokens. * @param _weiAmount Value in wei to be converted into tokens * @return Number of tokens that can be purchased with the specified _weiAmount */ function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { return _weiAmount.mul(rate); } /** * @dev Determines how ETH is stored/forwarded on purchases. */ function _forwardFunds() internal { wallet.transfer(msg.value); } }
/** * @title Crowdsale * @dev Crowdsale is a base contract for managing a token crowdsale, * allowing investors to purchase tokens with ether. This contract implements * such functionality in its most fundamental form and can be extended to provide additional * functionality and/or custom behavior. * The external interface represents the basic interface for purchasing tokens, and conform * the base architecture for crowdsales. They are *not* intended to be modified / overriden. * The internal interface conforms the extensible and modifiable surface of crowdsales. Override * the methods to add functionality. Consider using 'super' where appropiate to concatenate * behavior. */
NatSpecMultiLine
_deliverTokens
function _deliverTokens( address _beneficiary, uint256 _tokenAmount ) internal { token.transfer(_beneficiary, _tokenAmount); }
/** * @dev Source of tokens. Override this method to modify the way in which the crowdsale ultimately gets and sends its tokens. * @param _beneficiary Address performing the token purchase * @param _tokenAmount Number of tokens to be emitted */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 3663, 3821 ] }
55,684
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
Crowdsale
contract Crowdsale { using SafeMath for uint256; // The token being sold ERC20 public token; // Address where funds are collected address public wallet; // How many token units a buyer gets per wei. // The rate is the conversion between wei and the smallest and indivisible token unit. // So, if you are using a rate of 1 with a DetailedERC20 token with 3 decimals called TOK // 1 wei will give you 1 unit, or 0.001 TOK. uint256 public rate; // Amount of wei raised 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 ); /** * @param _rate Number of token units a buyer gets per wei * @param _wallet Address where collected funds will be forwarded to * @param _token Address of the token being sold */ constructor(uint256 _rate, address _wallet, ERC20 _token) public { require(_rate > 0); require(_wallet != address(0)); require(_token != address(0)); rate = _rate; wallet = _wallet; token = _token; } // ----------------------------------------- // Crowdsale external interface // ----------------------------------------- /** * @dev fallback function ***DO NOT OVERRIDE*** */ function () external payable { buyTokens(msg.sender); } /** * @dev low level token purchase ***DO NOT OVERRIDE*** * @param _beneficiary Address performing the token purchase */ function buyTokens(address _beneficiary) public payable { uint256 weiAmount = msg.value; _preValidatePurchase(_beneficiary, weiAmount); // calculate token amount to be created uint256 tokens = _getTokenAmount(weiAmount); // update state weiRaised = weiRaised.add(weiAmount); _processPurchase(_beneficiary, tokens); emit TokenPurchase( msg.sender, _beneficiary, weiAmount, tokens ); _updatePurchasingState(_beneficiary, weiAmount); _forwardFunds(); _postValidatePurchase(_beneficiary, weiAmount); } // ----------------------------------------- // Internal interface (extensible) // ----------------------------------------- /** * @dev Validation of an incoming purchase. Use require statements to revert state when conditions are not met. Use super to concatenate validations. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _preValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { require(_beneficiary != address(0)); require(_weiAmount != 0); } /** * @dev Validation of an executed purchase. Observe state and use revert statements to undo rollback when valid conditions are not met. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _postValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Source of tokens. Override this method to modify the way in which the crowdsale ultimately gets and sends its tokens. * @param _beneficiary Address performing the token purchase * @param _tokenAmount Number of tokens to be emitted */ function _deliverTokens( address _beneficiary, uint256 _tokenAmount ) internal { token.transfer(_beneficiary, _tokenAmount); } /** * @dev Executed when a purchase has been validated and is ready to be executed. Not necessarily emits/sends tokens. * @param _beneficiary Address receiving the tokens * @param _tokenAmount Number of tokens to be purchased */ function _processPurchase( address _beneficiary, uint256 _tokenAmount ) internal { _deliverTokens(_beneficiary, _tokenAmount); } /** * @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.) * @param _beneficiary Address receiving the tokens * @param _weiAmount Value in wei involved in the purchase */ function _updatePurchasingState( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Override to extend the way in which ether is converted to tokens. * @param _weiAmount Value in wei to be converted into tokens * @return Number of tokens that can be purchased with the specified _weiAmount */ function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { return _weiAmount.mul(rate); } /** * @dev Determines how ETH is stored/forwarded on purchases. */ function _forwardFunds() internal { wallet.transfer(msg.value); } }
/** * @title Crowdsale * @dev Crowdsale is a base contract for managing a token crowdsale, * allowing investors to purchase tokens with ether. This contract implements * such functionality in its most fundamental form and can be extended to provide additional * functionality and/or custom behavior. * The external interface represents the basic interface for purchasing tokens, and conform * the base architecture for crowdsales. They are *not* intended to be modified / overriden. * The internal interface conforms the extensible and modifiable surface of crowdsales. Override * the methods to add functionality. Consider using 'super' where appropiate to concatenate * behavior. */
NatSpecMultiLine
_processPurchase
function _processPurchase( address _beneficiary, uint256 _tokenAmount ) internal { _deliverTokens(_beneficiary, _tokenAmount); }
/** * @dev Executed when a purchase has been validated and is ready to be executed. Not necessarily emits/sends tokens. * @param _beneficiary Address receiving the tokens * @param _tokenAmount Number of tokens to be purchased */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 4072, 4232 ] }
55,685
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
Crowdsale
contract Crowdsale { using SafeMath for uint256; // The token being sold ERC20 public token; // Address where funds are collected address public wallet; // How many token units a buyer gets per wei. // The rate is the conversion between wei and the smallest and indivisible token unit. // So, if you are using a rate of 1 with a DetailedERC20 token with 3 decimals called TOK // 1 wei will give you 1 unit, or 0.001 TOK. uint256 public rate; // Amount of wei raised 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 ); /** * @param _rate Number of token units a buyer gets per wei * @param _wallet Address where collected funds will be forwarded to * @param _token Address of the token being sold */ constructor(uint256 _rate, address _wallet, ERC20 _token) public { require(_rate > 0); require(_wallet != address(0)); require(_token != address(0)); rate = _rate; wallet = _wallet; token = _token; } // ----------------------------------------- // Crowdsale external interface // ----------------------------------------- /** * @dev fallback function ***DO NOT OVERRIDE*** */ function () external payable { buyTokens(msg.sender); } /** * @dev low level token purchase ***DO NOT OVERRIDE*** * @param _beneficiary Address performing the token purchase */ function buyTokens(address _beneficiary) public payable { uint256 weiAmount = msg.value; _preValidatePurchase(_beneficiary, weiAmount); // calculate token amount to be created uint256 tokens = _getTokenAmount(weiAmount); // update state weiRaised = weiRaised.add(weiAmount); _processPurchase(_beneficiary, tokens); emit TokenPurchase( msg.sender, _beneficiary, weiAmount, tokens ); _updatePurchasingState(_beneficiary, weiAmount); _forwardFunds(); _postValidatePurchase(_beneficiary, weiAmount); } // ----------------------------------------- // Internal interface (extensible) // ----------------------------------------- /** * @dev Validation of an incoming purchase. Use require statements to revert state when conditions are not met. Use super to concatenate validations. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _preValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { require(_beneficiary != address(0)); require(_weiAmount != 0); } /** * @dev Validation of an executed purchase. Observe state and use revert statements to undo rollback when valid conditions are not met. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _postValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Source of tokens. Override this method to modify the way in which the crowdsale ultimately gets and sends its tokens. * @param _beneficiary Address performing the token purchase * @param _tokenAmount Number of tokens to be emitted */ function _deliverTokens( address _beneficiary, uint256 _tokenAmount ) internal { token.transfer(_beneficiary, _tokenAmount); } /** * @dev Executed when a purchase has been validated and is ready to be executed. Not necessarily emits/sends tokens. * @param _beneficiary Address receiving the tokens * @param _tokenAmount Number of tokens to be purchased */ function _processPurchase( address _beneficiary, uint256 _tokenAmount ) internal { _deliverTokens(_beneficiary, _tokenAmount); } /** * @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.) * @param _beneficiary Address receiving the tokens * @param _weiAmount Value in wei involved in the purchase */ function _updatePurchasingState( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Override to extend the way in which ether is converted to tokens. * @param _weiAmount Value in wei to be converted into tokens * @return Number of tokens that can be purchased with the specified _weiAmount */ function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { return _weiAmount.mul(rate); } /** * @dev Determines how ETH is stored/forwarded on purchases. */ function _forwardFunds() internal { wallet.transfer(msg.value); } }
/** * @title Crowdsale * @dev Crowdsale is a base contract for managing a token crowdsale, * allowing investors to purchase tokens with ether. This contract implements * such functionality in its most fundamental form and can be extended to provide additional * functionality and/or custom behavior. * The external interface represents the basic interface for purchasing tokens, and conform * the base architecture for crowdsales. They are *not* intended to be modified / overriden. * The internal interface conforms the extensible and modifiable surface of crowdsales. Override * the methods to add functionality. Consider using 'super' where appropiate to concatenate * behavior. */
NatSpecMultiLine
_updatePurchasingState
function _updatePurchasingState( address _beneficiary, uint256 _weiAmount ) internal { // optional override }
/** * @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.) * @param _beneficiary Address receiving the tokens * @param _weiAmount Value in wei involved in the purchase */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 4489, 4630 ] }
55,686
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
Crowdsale
contract Crowdsale { using SafeMath for uint256; // The token being sold ERC20 public token; // Address where funds are collected address public wallet; // How many token units a buyer gets per wei. // The rate is the conversion between wei and the smallest and indivisible token unit. // So, if you are using a rate of 1 with a DetailedERC20 token with 3 decimals called TOK // 1 wei will give you 1 unit, or 0.001 TOK. uint256 public rate; // Amount of wei raised 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 ); /** * @param _rate Number of token units a buyer gets per wei * @param _wallet Address where collected funds will be forwarded to * @param _token Address of the token being sold */ constructor(uint256 _rate, address _wallet, ERC20 _token) public { require(_rate > 0); require(_wallet != address(0)); require(_token != address(0)); rate = _rate; wallet = _wallet; token = _token; } // ----------------------------------------- // Crowdsale external interface // ----------------------------------------- /** * @dev fallback function ***DO NOT OVERRIDE*** */ function () external payable { buyTokens(msg.sender); } /** * @dev low level token purchase ***DO NOT OVERRIDE*** * @param _beneficiary Address performing the token purchase */ function buyTokens(address _beneficiary) public payable { uint256 weiAmount = msg.value; _preValidatePurchase(_beneficiary, weiAmount); // calculate token amount to be created uint256 tokens = _getTokenAmount(weiAmount); // update state weiRaised = weiRaised.add(weiAmount); _processPurchase(_beneficiary, tokens); emit TokenPurchase( msg.sender, _beneficiary, weiAmount, tokens ); _updatePurchasingState(_beneficiary, weiAmount); _forwardFunds(); _postValidatePurchase(_beneficiary, weiAmount); } // ----------------------------------------- // Internal interface (extensible) // ----------------------------------------- /** * @dev Validation of an incoming purchase. Use require statements to revert state when conditions are not met. Use super to concatenate validations. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _preValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { require(_beneficiary != address(0)); require(_weiAmount != 0); } /** * @dev Validation of an executed purchase. Observe state and use revert statements to undo rollback when valid conditions are not met. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _postValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Source of tokens. Override this method to modify the way in which the crowdsale ultimately gets and sends its tokens. * @param _beneficiary Address performing the token purchase * @param _tokenAmount Number of tokens to be emitted */ function _deliverTokens( address _beneficiary, uint256 _tokenAmount ) internal { token.transfer(_beneficiary, _tokenAmount); } /** * @dev Executed when a purchase has been validated and is ready to be executed. Not necessarily emits/sends tokens. * @param _beneficiary Address receiving the tokens * @param _tokenAmount Number of tokens to be purchased */ function _processPurchase( address _beneficiary, uint256 _tokenAmount ) internal { _deliverTokens(_beneficiary, _tokenAmount); } /** * @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.) * @param _beneficiary Address receiving the tokens * @param _weiAmount Value in wei involved in the purchase */ function _updatePurchasingState( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Override to extend the way in which ether is converted to tokens. * @param _weiAmount Value in wei to be converted into tokens * @return Number of tokens that can be purchased with the specified _weiAmount */ function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { return _weiAmount.mul(rate); } /** * @dev Determines how ETH is stored/forwarded on purchases. */ function _forwardFunds() internal { wallet.transfer(msg.value); } }
/** * @title Crowdsale * @dev Crowdsale is a base contract for managing a token crowdsale, * allowing investors to purchase tokens with ether. This contract implements * such functionality in its most fundamental form and can be extended to provide additional * functionality and/or custom behavior. * The external interface represents the basic interface for purchasing tokens, and conform * the base architecture for crowdsales. They are *not* intended to be modified / overriden. * The internal interface conforms the extensible and modifiable surface of crowdsales. Override * the methods to add functionality. Consider using 'super' where appropiate to concatenate * behavior. */
NatSpecMultiLine
_getTokenAmount
function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { return _weiAmount.mul(rate); }
/** * @dev Override to extend the way in which ether is converted to tokens. * @param _weiAmount Value in wei to be converted into tokens * @return Number of tokens that can be purchased with the specified _weiAmount */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 4872, 5000 ] }
55,687
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
Crowdsale
contract Crowdsale { using SafeMath for uint256; // The token being sold ERC20 public token; // Address where funds are collected address public wallet; // How many token units a buyer gets per wei. // The rate is the conversion between wei and the smallest and indivisible token unit. // So, if you are using a rate of 1 with a DetailedERC20 token with 3 decimals called TOK // 1 wei will give you 1 unit, or 0.001 TOK. uint256 public rate; // Amount of wei raised 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 ); /** * @param _rate Number of token units a buyer gets per wei * @param _wallet Address where collected funds will be forwarded to * @param _token Address of the token being sold */ constructor(uint256 _rate, address _wallet, ERC20 _token) public { require(_rate > 0); require(_wallet != address(0)); require(_token != address(0)); rate = _rate; wallet = _wallet; token = _token; } // ----------------------------------------- // Crowdsale external interface // ----------------------------------------- /** * @dev fallback function ***DO NOT OVERRIDE*** */ function () external payable { buyTokens(msg.sender); } /** * @dev low level token purchase ***DO NOT OVERRIDE*** * @param _beneficiary Address performing the token purchase */ function buyTokens(address _beneficiary) public payable { uint256 weiAmount = msg.value; _preValidatePurchase(_beneficiary, weiAmount); // calculate token amount to be created uint256 tokens = _getTokenAmount(weiAmount); // update state weiRaised = weiRaised.add(weiAmount); _processPurchase(_beneficiary, tokens); emit TokenPurchase( msg.sender, _beneficiary, weiAmount, tokens ); _updatePurchasingState(_beneficiary, weiAmount); _forwardFunds(); _postValidatePurchase(_beneficiary, weiAmount); } // ----------------------------------------- // Internal interface (extensible) // ----------------------------------------- /** * @dev Validation of an incoming purchase. Use require statements to revert state when conditions are not met. Use super to concatenate validations. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _preValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { require(_beneficiary != address(0)); require(_weiAmount != 0); } /** * @dev Validation of an executed purchase. Observe state and use revert statements to undo rollback when valid conditions are not met. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _postValidatePurchase( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Source of tokens. Override this method to modify the way in which the crowdsale ultimately gets and sends its tokens. * @param _beneficiary Address performing the token purchase * @param _tokenAmount Number of tokens to be emitted */ function _deliverTokens( address _beneficiary, uint256 _tokenAmount ) internal { token.transfer(_beneficiary, _tokenAmount); } /** * @dev Executed when a purchase has been validated and is ready to be executed. Not necessarily emits/sends tokens. * @param _beneficiary Address receiving the tokens * @param _tokenAmount Number of tokens to be purchased */ function _processPurchase( address _beneficiary, uint256 _tokenAmount ) internal { _deliverTokens(_beneficiary, _tokenAmount); } /** * @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.) * @param _beneficiary Address receiving the tokens * @param _weiAmount Value in wei involved in the purchase */ function _updatePurchasingState( address _beneficiary, uint256 _weiAmount ) internal { // optional override } /** * @dev Override to extend the way in which ether is converted to tokens. * @param _weiAmount Value in wei to be converted into tokens * @return Number of tokens that can be purchased with the specified _weiAmount */ function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { return _weiAmount.mul(rate); } /** * @dev Determines how ETH is stored/forwarded on purchases. */ function _forwardFunds() internal { wallet.transfer(msg.value); } }
/** * @title Crowdsale * @dev Crowdsale is a base contract for managing a token crowdsale, * allowing investors to purchase tokens with ether. This contract implements * such functionality in its most fundamental form and can be extended to provide additional * functionality and/or custom behavior. * The external interface represents the basic interface for purchasing tokens, and conform * the base architecture for crowdsales. They are *not* intended to be modified / overriden. * The internal interface conforms the extensible and modifiable surface of crowdsales. Override * the methods to add functionality. Consider using 'super' where appropiate to concatenate * behavior. */
NatSpecMultiLine
_forwardFunds
function _forwardFunds() internal { wallet.transfer(msg.value); }
/** * @dev Determines how ETH is stored/forwarded on purchases. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 5081, 5157 ] }
55,688
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
Ownable
contract Ownable { address public owner; event OwnershipRenounced(address indexed previousOwner); event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ constructor() 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 relinquish control of the contract. */ function renounceOwnership() public onlyOwner { emit OwnershipRenounced(owner); owner = address(0); } /** * @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 { _transferOwnership(_newOwner); } /** * @dev Transfers control of the contract to a newOwner. * @param _newOwner The address to transfer ownership to. */ function _transferOwnership(address _newOwner) internal { 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
renounceOwnership
function renounceOwnership() public onlyOwner { emit OwnershipRenounced(owner); owner = address(0); }
/** * @dev Allows the current owner to relinquish control of the contract. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 638, 755 ] }
55,689
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
Ownable
contract Ownable { address public owner; event OwnershipRenounced(address indexed previousOwner); event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ constructor() 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 relinquish control of the contract. */ function renounceOwnership() public onlyOwner { emit OwnershipRenounced(owner); owner = address(0); } /** * @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 { _transferOwnership(_newOwner); } /** * @dev Transfers control of the contract to a newOwner. * @param _newOwner The address to transfer ownership to. */ function _transferOwnership(address _newOwner) internal { 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) public onlyOwner { _transferOwnership(_newOwner); }
/** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param _newOwner The address to transfer ownership to. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 920, 1028 ] }
55,690
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
Ownable
contract Ownable { address public owner; event OwnershipRenounced(address indexed previousOwner); event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ constructor() 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 relinquish control of the contract. */ function renounceOwnership() public onlyOwner { emit OwnershipRenounced(owner); owner = address(0); } /** * @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 { _transferOwnership(_newOwner); } /** * @dev Transfers control of the contract to a newOwner. * @param _newOwner The address to transfer ownership to. */ function _transferOwnership(address _newOwner) internal { 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) internal { require(_newOwner != address(0)); emit OwnershipTransferred(owner, _newOwner); owner = _newOwner; }
/** * @dev Transfers control of the contract to a newOwner. * @param _newOwner The address to transfer ownership to. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 1166, 1344 ] }
55,691
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
BasicToken
contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 totalSupply_; /** * @dev total number of tokens in existence */ function totalSupply() public view returns (uint256) { return totalSupply_; } /** * @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 returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); 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. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256) { return balances[_owner]; } }
/** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */
NatSpecMultiLine
totalSupply
function totalSupply() public view returns (uint256) { return totalSupply_; }
/** * @dev total number of tokens in existence */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 199, 287 ] }
55,692
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
BasicToken
contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 totalSupply_; /** * @dev total number of tokens in existence */ function totalSupply() public view returns (uint256) { return totalSupply_; } /** * @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 returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); 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. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256) { return balances[_owner]; } }
/** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */
NatSpecMultiLine
transfer
function transfer(address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); 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
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 445, 777 ] }
55,693
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
BasicToken
contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 totalSupply_; /** * @dev total number of tokens in existence */ function totalSupply() public view returns (uint256) { return totalSupply_; } /** * @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 returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); 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. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256) { return balances[_owner]; } }
/** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */
NatSpecMultiLine
balanceOf
function balanceOf(address _owner) public view returns (uint256) { 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
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 983, 1087 ] }
55,694
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
BurnableToken
contract BurnableToken is BasicToken { 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 { _burn(msg.sender, _value); } function _burn(address _who, uint256 _value) internal { require(_value <= balances[_who]); // 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 balances[_who] = balances[_who].sub(_value); totalSupply_ = totalSupply_.sub(_value); emit Burn(_who, _value); emit Transfer(_who, address(0), _value); } }
/** * @title Burnable Token * @dev Token that can be irreversibly burned (destroyed). */
NatSpecMultiLine
burn
function burn(uint256 _value) public { _burn(msg.sender, _value); }
/** * @dev Burns a specific amount of tokens. * @param _value The amount of token to be burned. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 212, 290 ] }
55,695
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
StandardToken
contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal 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 returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].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 returns (bool) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a 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 * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval( address _spender, uint _addedValue ) public returns (bool) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval( address _spender, uint _subtractedValue ) public returns (bool) { 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 returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].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
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 401, 891 ] }
55,696
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
StandardToken
contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal 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 returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].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 returns (bool) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a 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 * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval( address _spender, uint _addedValue ) public returns (bool) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval( address _spender, uint _subtractedValue ) public returns (bool) { 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 returns (bool) { 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
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 1523, 1718 ] }
55,697
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
StandardToken
contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal 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 returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].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 returns (bool) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a 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 * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval( address _spender, uint _addedValue ) public returns (bool) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval( address _spender, uint _subtractedValue ) public returns (bool) { 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 returns (uint256) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 2042, 2207 ] }
55,698
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
StandardToken
contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal 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 returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].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 returns (bool) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a 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 * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval( address _spender, uint _addedValue ) public returns (bool) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval( address _spender, uint _subtractedValue ) public returns (bool) { 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) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; }
/** * @dev Increase the amount of tokens that an owner allowed to a 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 * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 2673, 2980 ] }
55,699
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
StandardToken
contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal 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 returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].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 returns (bool) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a 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 * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval( address _spender, uint _addedValue ) public returns (bool) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval( address _spender, uint _subtractedValue ) public returns (bool) { 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
decreaseApproval
function decreaseApproval( address _spender, uint _subtractedValue ) public returns (bool) { 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; }
/** * @dev Decrease the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 3451, 3894 ] }
55,700
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
StandardBurnableToken
contract StandardBurnableToken is BurnableToken, StandardToken { /** * @dev Burns a specific amount of tokens from the target address and decrements allowance * @param _from address The address which you want to send tokens from * @param _value uint256 The amount of token to be burned */ function burnFrom(address _from, uint256 _value) public { require(_value <= allowed[_from][msg.sender]); // Should https://github.com/OpenZeppelin/zeppelin-solidity/issues/707 be accepted, // this function needs to emit an event with the updated approval. allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); _burn(_from, _value); } }
/** * @title Standard Burnable Token * @dev Adds burnFrom method to ERC20 implementations */
NatSpecMultiLine
burnFrom
function burnFrom(address _from, uint256 _value) public { require(_value <= allowed[_from][msg.sender]); // Should https://github.com/OpenZeppelin/zeppelin-solidity/issues/707 be accepted, // this function needs to emit an event with the updated approval. allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); _burn(_from, _value); }
/** * @dev Burns a specific amount of tokens from the target address and decrements allowance * @param _from address The address which you want to send tokens from * @param _value uint256 The amount of token to be burned */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 311, 690 ] }
55,701
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
ExposureCrowdSale
contract ExposureCrowdSale is Crowdsale, Ownable { constructor(uint256 rate_, address wallet_, ExposureToken token_) public Crowdsale(rate_, wallet_, token_) { } /** * @dev Allows the owner to withdraw any Exposure in the crowdsale contract * @param _amount Exposure to withdraw */ function withdraw(uint256 _amount) onlyOwner external { token.transfer(owner, _amount); } /** * @dev Allows the owner to change the funds wallet address * @param _wallet The new funds wallet address */ function updateWallet(address _wallet) onlyOwner external { wallet = _wallet; } /** * @dev Allows the owner to change the exchange rate * @param _rate The new rate of the crowdsale */ function updateRate(uint256 _rate) onlyOwner external { rate = _rate; } /** * @dev Allows a participant to ensure they receive a specfic rate when purchasing to prevent front-running by the owner * @param _beneficiary The recipient of all that sweet sweet Exposure. * @param _guaranteedRate The rate the recipient wants to ensure they receive. */ function buyTokensAtRate(address _beneficiary, uint256 _guaranteedRate) external payable { // Ensure the rate we're providing is the one the user asks for or revert the transaction. require(rate == _guaranteedRate); // Ok, we're good to execute the buy. return buyTokens(_beneficiary); } }
withdraw
function withdraw(uint256 _amount) onlyOwner external { token.transfer(owner, _amount); }
/** * @dev Allows the owner to withdraw any Exposure in the crowdsale contract * @param _amount Exposure to withdraw */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 330, 461 ] }
55,702
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
ExposureCrowdSale
contract ExposureCrowdSale is Crowdsale, Ownable { constructor(uint256 rate_, address wallet_, ExposureToken token_) public Crowdsale(rate_, wallet_, token_) { } /** * @dev Allows the owner to withdraw any Exposure in the crowdsale contract * @param _amount Exposure to withdraw */ function withdraw(uint256 _amount) onlyOwner external { token.transfer(owner, _amount); } /** * @dev Allows the owner to change the funds wallet address * @param _wallet The new funds wallet address */ function updateWallet(address _wallet) onlyOwner external { wallet = _wallet; } /** * @dev Allows the owner to change the exchange rate * @param _rate The new rate of the crowdsale */ function updateRate(uint256 _rate) onlyOwner external { rate = _rate; } /** * @dev Allows a participant to ensure they receive a specfic rate when purchasing to prevent front-running by the owner * @param _beneficiary The recipient of all that sweet sweet Exposure. * @param _guaranteedRate The rate the recipient wants to ensure they receive. */ function buyTokensAtRate(address _beneficiary, uint256 _guaranteedRate) external payable { // Ensure the rate we're providing is the one the user asks for or revert the transaction. require(rate == _guaranteedRate); // Ok, we're good to execute the buy. return buyTokens(_beneficiary); } }
updateWallet
function updateWallet(address _wallet) onlyOwner external { wallet = _wallet; }
/** * @dev Allows the owner to change the funds wallet address * @param _wallet The new funds wallet address */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 596, 717 ] }
55,703
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
ExposureCrowdSale
contract ExposureCrowdSale is Crowdsale, Ownable { constructor(uint256 rate_, address wallet_, ExposureToken token_) public Crowdsale(rate_, wallet_, token_) { } /** * @dev Allows the owner to withdraw any Exposure in the crowdsale contract * @param _amount Exposure to withdraw */ function withdraw(uint256 _amount) onlyOwner external { token.transfer(owner, _amount); } /** * @dev Allows the owner to change the funds wallet address * @param _wallet The new funds wallet address */ function updateWallet(address _wallet) onlyOwner external { wallet = _wallet; } /** * @dev Allows the owner to change the exchange rate * @param _rate The new rate of the crowdsale */ function updateRate(uint256 _rate) onlyOwner external { rate = _rate; } /** * @dev Allows a participant to ensure they receive a specfic rate when purchasing to prevent front-running by the owner * @param _beneficiary The recipient of all that sweet sweet Exposure. * @param _guaranteedRate The rate the recipient wants to ensure they receive. */ function buyTokensAtRate(address _beneficiary, uint256 _guaranteedRate) external payable { // Ensure the rate we're providing is the one the user asks for or revert the transaction. require(rate == _guaranteedRate); // Ok, we're good to execute the buy. return buyTokens(_beneficiary); } }
updateRate
function updateRate(uint256 _rate) onlyOwner external { rate = _rate; }
/** * @dev Allows the owner to change the exchange rate * @param _rate The new rate of the crowdsale */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 844, 957 ] }
55,704
ExposureCrowdSale
ExposureCrowdSale.sol
0xb7d9372dbcedffd7b58a15516e0b156204b764a8
Solidity
ExposureCrowdSale
contract ExposureCrowdSale is Crowdsale, Ownable { constructor(uint256 rate_, address wallet_, ExposureToken token_) public Crowdsale(rate_, wallet_, token_) { } /** * @dev Allows the owner to withdraw any Exposure in the crowdsale contract * @param _amount Exposure to withdraw */ function withdraw(uint256 _amount) onlyOwner external { token.transfer(owner, _amount); } /** * @dev Allows the owner to change the funds wallet address * @param _wallet The new funds wallet address */ function updateWallet(address _wallet) onlyOwner external { wallet = _wallet; } /** * @dev Allows the owner to change the exchange rate * @param _rate The new rate of the crowdsale */ function updateRate(uint256 _rate) onlyOwner external { rate = _rate; } /** * @dev Allows a participant to ensure they receive a specfic rate when purchasing to prevent front-running by the owner * @param _beneficiary The recipient of all that sweet sweet Exposure. * @param _guaranteedRate The rate the recipient wants to ensure they receive. */ function buyTokensAtRate(address _beneficiary, uint256 _guaranteedRate) external payable { // Ensure the rate we're providing is the one the user asks for or revert the transaction. require(rate == _guaranteedRate); // Ok, we're good to execute the buy. return buyTokens(_beneficiary); } }
buyTokensAtRate
function buyTokensAtRate(address _beneficiary, uint256 _guaranteedRate) external payable { // Ensure the rate we're providing is the one the user asks for or revert the transaction. require(rate == _guaranteedRate); // Ok, we're good to execute the buy. return buyTokens(_beneficiary); }
/** * @dev Allows a participant to ensure they receive a specfic rate when purchasing to prevent front-running by the owner * @param _beneficiary The recipient of all that sweet sweet Exposure. * @param _guaranteedRate The rate the recipient wants to ensure they receive. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://b082760f03a8e3ee9a34f5284ad5e9c1f16c006eb503eddfac8eaedbadcc80f9
{ "func_code_index": [ 1260, 1618 ] }
55,705
AWG
contracts/roles/BurnerRole.sol
0x696acc2de564b48682d71d0847b3632f87c9a402
Solidity
BurnerRole
contract BurnerRole { using Roles for Roles.Role; Roles.Role private _burners; /** * @notice Fired when a new role is added. */ event BurnerAdded(address indexed account); /** * @notice Fired when a new role is added. */ event BurnerRemoved(address indexed account); /** * @dev The role is granted to the deployer. */ constructor () internal { _addBurner(msg.sender); } /** * @dev Callers must have the role. */ modifier onlyBurner() { require(isBurner(msg.sender), "BurnerRole: caller does not have the Burner role"); _; } /** * @dev The role is removed for the caller. */ function renounceBurner() public { _removeBurner(msg.sender); } /** * @dev Checks if @param account has the role. */ function isBurner(address account) public view returns (bool) { return _burners.has(account); } /** * @dev Assigns the role to @param account. */ function _addBurner(address account) internal { _burners.add(account); emit BurnerAdded(account); } /** * @dev Removes the role from @param account. */ function _removeBurner(address account) internal { _burners.remove(account); emit BurnerRemoved(account); } }
/** * @title Burner Role * @dev Follows the openzeppelin's guidelines of working with roles. * @dev Derived contracts must implement the `addBurner` and the `removeBurner` functions. */
NatSpecMultiLine
renounceBurner
function renounceBurner() public { _removeBurner(msg.sender); }
/** * @dev The role is removed for the caller. */
NatSpecMultiLine
v0.5.4+commit.9549d8ff
MIT
bzzr://9ce91c89b7de19f2f5221b1c3deead8577a2d45162c687c0054fc1889b0c61c8
{ "func_code_index": [ 745, 827 ] }
55,706
AWG
contracts/roles/BurnerRole.sol
0x696acc2de564b48682d71d0847b3632f87c9a402
Solidity
BurnerRole
contract BurnerRole { using Roles for Roles.Role; Roles.Role private _burners; /** * @notice Fired when a new role is added. */ event BurnerAdded(address indexed account); /** * @notice Fired when a new role is added. */ event BurnerRemoved(address indexed account); /** * @dev The role is granted to the deployer. */ constructor () internal { _addBurner(msg.sender); } /** * @dev Callers must have the role. */ modifier onlyBurner() { require(isBurner(msg.sender), "BurnerRole: caller does not have the Burner role"); _; } /** * @dev The role is removed for the caller. */ function renounceBurner() public { _removeBurner(msg.sender); } /** * @dev Checks if @param account has the role. */ function isBurner(address account) public view returns (bool) { return _burners.has(account); } /** * @dev Assigns the role to @param account. */ function _addBurner(address account) internal { _burners.add(account); emit BurnerAdded(account); } /** * @dev Removes the role from @param account. */ function _removeBurner(address account) internal { _burners.remove(account); emit BurnerRemoved(account); } }
/** * @title Burner Role * @dev Follows the openzeppelin's guidelines of working with roles. * @dev Derived contracts must implement the `addBurner` and the `removeBurner` functions. */
NatSpecMultiLine
isBurner
function isBurner(address account) public view returns (bool) { return _burners.has(account); }
/** * @dev Checks if @param account has the role. */
NatSpecMultiLine
v0.5.4+commit.9549d8ff
MIT
bzzr://9ce91c89b7de19f2f5221b1c3deead8577a2d45162c687c0054fc1889b0c61c8
{ "func_code_index": [ 900, 1014 ] }
55,707
AWG
contracts/roles/BurnerRole.sol
0x696acc2de564b48682d71d0847b3632f87c9a402
Solidity
BurnerRole
contract BurnerRole { using Roles for Roles.Role; Roles.Role private _burners; /** * @notice Fired when a new role is added. */ event BurnerAdded(address indexed account); /** * @notice Fired when a new role is added. */ event BurnerRemoved(address indexed account); /** * @dev The role is granted to the deployer. */ constructor () internal { _addBurner(msg.sender); } /** * @dev Callers must have the role. */ modifier onlyBurner() { require(isBurner(msg.sender), "BurnerRole: caller does not have the Burner role"); _; } /** * @dev The role is removed for the caller. */ function renounceBurner() public { _removeBurner(msg.sender); } /** * @dev Checks if @param account has the role. */ function isBurner(address account) public view returns (bool) { return _burners.has(account); } /** * @dev Assigns the role to @param account. */ function _addBurner(address account) internal { _burners.add(account); emit BurnerAdded(account); } /** * @dev Removes the role from @param account. */ function _removeBurner(address account) internal { _burners.remove(account); emit BurnerRemoved(account); } }
/** * @title Burner Role * @dev Follows the openzeppelin's guidelines of working with roles. * @dev Derived contracts must implement the `addBurner` and the `removeBurner` functions. */
NatSpecMultiLine
_addBurner
function _addBurner(address account) internal { _burners.add(account); emit BurnerAdded(account); }
/** * @dev Assigns the role to @param account. */
NatSpecMultiLine
v0.5.4+commit.9549d8ff
MIT
bzzr://9ce91c89b7de19f2f5221b1c3deead8577a2d45162c687c0054fc1889b0c61c8
{ "func_code_index": [ 1084, 1211 ] }
55,708
AWG
contracts/roles/BurnerRole.sol
0x696acc2de564b48682d71d0847b3632f87c9a402
Solidity
BurnerRole
contract BurnerRole { using Roles for Roles.Role; Roles.Role private _burners; /** * @notice Fired when a new role is added. */ event BurnerAdded(address indexed account); /** * @notice Fired when a new role is added. */ event BurnerRemoved(address indexed account); /** * @dev The role is granted to the deployer. */ constructor () internal { _addBurner(msg.sender); } /** * @dev Callers must have the role. */ modifier onlyBurner() { require(isBurner(msg.sender), "BurnerRole: caller does not have the Burner role"); _; } /** * @dev The role is removed for the caller. */ function renounceBurner() public { _removeBurner(msg.sender); } /** * @dev Checks if @param account has the role. */ function isBurner(address account) public view returns (bool) { return _burners.has(account); } /** * @dev Assigns the role to @param account. */ function _addBurner(address account) internal { _burners.add(account); emit BurnerAdded(account); } /** * @dev Removes the role from @param account. */ function _removeBurner(address account) internal { _burners.remove(account); emit BurnerRemoved(account); } }
/** * @title Burner Role * @dev Follows the openzeppelin's guidelines of working with roles. * @dev Derived contracts must implement the `addBurner` and the `removeBurner` functions. */
NatSpecMultiLine
_removeBurner
function _removeBurner(address account) internal { _burners.remove(account); emit BurnerRemoved(account); }
/** * @dev Removes the role from @param account. */
NatSpecMultiLine
v0.5.4+commit.9549d8ff
MIT
bzzr://9ce91c89b7de19f2f5221b1c3deead8577a2d45162c687c0054fc1889b0c61c8
{ "func_code_index": [ 1283, 1418 ] }
55,709
AWG
contracts/roles/MinterRole.sol
0x696acc2de564b48682d71d0847b3632f87c9a402
Solidity
MinterRole
contract MinterRole { using Roles for Roles.Role; Roles.Role private _minters; /** * @notice Fired when a new role is added. */ event MinterAdded(address indexed account); /** * @notice Fired when a new role is added. */ event MinterRemoved(address indexed account); /** * @dev The role is granted to the deployer. */ constructor () internal { _addMinter(msg.sender); } /** * @dev Callers must have the role. */ modifier onlyMinter() { require(isMinter(msg.sender), "MinterRole: caller does not have the Minter role"); _; } /** * @dev The role is removed for the caller. */ function renounceMinter() public { _removeMinter(msg.sender); } /** * @dev Checks if @param account has the role. */ function isMinter(address account) public view returns (bool) { return _minters.has(account); } /** * @dev Assigns the role to @param account. */ function _addMinter(address account) internal { _minters.add(account); emit MinterAdded(account); } /** * @dev Removes the role from @param account. */ function _removeMinter(address account) internal { _minters.remove(account); emit MinterRemoved(account); } }
/** * @title Minter Role * @dev Follows the openzeppelin's guidelines of working with roles. * @dev Derived contracts must implement the `addMinter` and the `removeMinter` functions. */
NatSpecMultiLine
renounceMinter
function renounceMinter() public { _removeMinter(msg.sender); }
/** * @dev The role is removed for the caller. */
NatSpecMultiLine
v0.5.4+commit.9549d8ff
MIT
bzzr://9ce91c89b7de19f2f5221b1c3deead8577a2d45162c687c0054fc1889b0c61c8
{ "func_code_index": [ 749, 831 ] }
55,710
AWG
contracts/roles/MinterRole.sol
0x696acc2de564b48682d71d0847b3632f87c9a402
Solidity
MinterRole
contract MinterRole { using Roles for Roles.Role; Roles.Role private _minters; /** * @notice Fired when a new role is added. */ event MinterAdded(address indexed account); /** * @notice Fired when a new role is added. */ event MinterRemoved(address indexed account); /** * @dev The role is granted to the deployer. */ constructor () internal { _addMinter(msg.sender); } /** * @dev Callers must have the role. */ modifier onlyMinter() { require(isMinter(msg.sender), "MinterRole: caller does not have the Minter role"); _; } /** * @dev The role is removed for the caller. */ function renounceMinter() public { _removeMinter(msg.sender); } /** * @dev Checks if @param account has the role. */ function isMinter(address account) public view returns (bool) { return _minters.has(account); } /** * @dev Assigns the role to @param account. */ function _addMinter(address account) internal { _minters.add(account); emit MinterAdded(account); } /** * @dev Removes the role from @param account. */ function _removeMinter(address account) internal { _minters.remove(account); emit MinterRemoved(account); } }
/** * @title Minter Role * @dev Follows the openzeppelin's guidelines of working with roles. * @dev Derived contracts must implement the `addMinter` and the `removeMinter` functions. */
NatSpecMultiLine
isMinter
function isMinter(address account) public view returns (bool) { return _minters.has(account); }
/** * @dev Checks if @param account has the role. */
NatSpecMultiLine
v0.5.4+commit.9549d8ff
MIT
bzzr://9ce91c89b7de19f2f5221b1c3deead8577a2d45162c687c0054fc1889b0c61c8
{ "func_code_index": [ 904, 1018 ] }
55,711
AWG
contracts/roles/MinterRole.sol
0x696acc2de564b48682d71d0847b3632f87c9a402
Solidity
MinterRole
contract MinterRole { using Roles for Roles.Role; Roles.Role private _minters; /** * @notice Fired when a new role is added. */ event MinterAdded(address indexed account); /** * @notice Fired when a new role is added. */ event MinterRemoved(address indexed account); /** * @dev The role is granted to the deployer. */ constructor () internal { _addMinter(msg.sender); } /** * @dev Callers must have the role. */ modifier onlyMinter() { require(isMinter(msg.sender), "MinterRole: caller does not have the Minter role"); _; } /** * @dev The role is removed for the caller. */ function renounceMinter() public { _removeMinter(msg.sender); } /** * @dev Checks if @param account has the role. */ function isMinter(address account) public view returns (bool) { return _minters.has(account); } /** * @dev Assigns the role to @param account. */ function _addMinter(address account) internal { _minters.add(account); emit MinterAdded(account); } /** * @dev Removes the role from @param account. */ function _removeMinter(address account) internal { _minters.remove(account); emit MinterRemoved(account); } }
/** * @title Minter Role * @dev Follows the openzeppelin's guidelines of working with roles. * @dev Derived contracts must implement the `addMinter` and the `removeMinter` functions. */
NatSpecMultiLine
_addMinter
function _addMinter(address account) internal { _minters.add(account); emit MinterAdded(account); }
/** * @dev Assigns the role to @param account. */
NatSpecMultiLine
v0.5.4+commit.9549d8ff
MIT
bzzr://9ce91c89b7de19f2f5221b1c3deead8577a2d45162c687c0054fc1889b0c61c8
{ "func_code_index": [ 1088, 1215 ] }
55,712
AWG
contracts/roles/MinterRole.sol
0x696acc2de564b48682d71d0847b3632f87c9a402
Solidity
MinterRole
contract MinterRole { using Roles for Roles.Role; Roles.Role private _minters; /** * @notice Fired when a new role is added. */ event MinterAdded(address indexed account); /** * @notice Fired when a new role is added. */ event MinterRemoved(address indexed account); /** * @dev The role is granted to the deployer. */ constructor () internal { _addMinter(msg.sender); } /** * @dev Callers must have the role. */ modifier onlyMinter() { require(isMinter(msg.sender), "MinterRole: caller does not have the Minter role"); _; } /** * @dev The role is removed for the caller. */ function renounceMinter() public { _removeMinter(msg.sender); } /** * @dev Checks if @param account has the role. */ function isMinter(address account) public view returns (bool) { return _minters.has(account); } /** * @dev Assigns the role to @param account. */ function _addMinter(address account) internal { _minters.add(account); emit MinterAdded(account); } /** * @dev Removes the role from @param account. */ function _removeMinter(address account) internal { _minters.remove(account); emit MinterRemoved(account); } }
/** * @title Minter Role * @dev Follows the openzeppelin's guidelines of working with roles. * @dev Derived contracts must implement the `addMinter` and the `removeMinter` functions. */
NatSpecMultiLine
_removeMinter
function _removeMinter(address account) internal { _minters.remove(account); emit MinterRemoved(account); }
/** * @dev Removes the role from @param account. */
NatSpecMultiLine
v0.5.4+commit.9549d8ff
MIT
bzzr://9ce91c89b7de19f2f5221b1c3deead8577a2d45162c687c0054fc1889b0c61c8
{ "func_code_index": [ 1287, 1422 ] }
55,713
AWG
contracts/token/ECRecovery.sol
0x696acc2de564b48682d71d0847b3632f87c9a402
Solidity
ECRecovery
library ECRecovery { /** * @dev Recover signer address from a message by using their signature * @param hash bytes32 message, the hash is the signed message. What is recovered is the signer address. * @param sig bytes signature, the signature is generated using web3.eth.sign() */ function recover(bytes32 hash, bytes memory sig) internal pure returns (address) { bytes32 r; bytes32 s; uint8 v; // Check the signature length if (sig.length != 65) { return (address(0)); } // Divide the signature in r, s and v variables // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. // solium-disable-next-line security/no-inline-assembly assembly { r := mload(add(sig, 32)) s := mload(add(sig, 64)) v := byte(0, mload(add(sig, 96))) } // Version of signature should be 27 or 28, but 0 and 1 are also possible versions if (v < 27) { v += 27; } // If the version is correct return the signer address if (v != 27 && v != 28) { return (address(0)); } else { // solium-disable-next-line arg-overflow return ecrecover(hash, v, r, s); } } /** * toEthSignedMessageHash * @dev prefix a bytes32 value with "\x19Ethereum Signed Message:" * and hash the result */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) { // 32 is the length in bytes of hash, // enforced by the type signature above return keccak256( abi.encodePacked("\x19Ethereum Signed Message:\n32", hash) ); } }
/** * @title Eliptic curve signature operations * @dev Based on https://gist.github.com/axic/5b33912c6f61ae6fd96d6c4a47afde6d * TODO Remove this library once solidity supports passing a signature to ecrecover. * See https://github.com/ethereum/solidity/issues/864 */
NatSpecMultiLine
recover
function recover(bytes32 hash, bytes memory sig) internal pure returns (address) { bytes32 r; bytes32 s; uint8 v; // Check the signature length if (sig.length != 65) { return (address(0)); } // Divide the signature in r, s and v variables // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. // solium-disable-next-line security/no-inline-assembly assembly { r := mload(add(sig, 32)) s := mload(add(sig, 64)) v := byte(0, mload(add(sig, 96))) } // Version of signature should be 27 or 28, but 0 and 1 are also possible versions if (v < 27) { v += 27; } // If the version is correct return the signer address if (v != 27 && v != 28) { return (address(0)); } else { // solium-disable-next-line arg-overflow return ecrecover(hash, v, r, s); } }
/** * @dev Recover signer address from a message by using their signature * @param hash bytes32 message, the hash is the signed message. What is recovered is the signer address. * @param sig bytes signature, the signature is generated using web3.eth.sign() */
NatSpecMultiLine
v0.5.4+commit.9549d8ff
MIT
bzzr://9ce91c89b7de19f2f5221b1c3deead8577a2d45162c687c0054fc1889b0c61c8
{ "func_code_index": [ 313, 1433 ] }
55,714
AWG
contracts/token/ECRecovery.sol
0x696acc2de564b48682d71d0847b3632f87c9a402
Solidity
ECRecovery
library ECRecovery { /** * @dev Recover signer address from a message by using their signature * @param hash bytes32 message, the hash is the signed message. What is recovered is the signer address. * @param sig bytes signature, the signature is generated using web3.eth.sign() */ function recover(bytes32 hash, bytes memory sig) internal pure returns (address) { bytes32 r; bytes32 s; uint8 v; // Check the signature length if (sig.length != 65) { return (address(0)); } // Divide the signature in r, s and v variables // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. // solium-disable-next-line security/no-inline-assembly assembly { r := mload(add(sig, 32)) s := mload(add(sig, 64)) v := byte(0, mload(add(sig, 96))) } // Version of signature should be 27 or 28, but 0 and 1 are also possible versions if (v < 27) { v += 27; } // If the version is correct return the signer address if (v != 27 && v != 28) { return (address(0)); } else { // solium-disable-next-line arg-overflow return ecrecover(hash, v, r, s); } } /** * toEthSignedMessageHash * @dev prefix a bytes32 value with "\x19Ethereum Signed Message:" * and hash the result */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) { // 32 is the length in bytes of hash, // enforced by the type signature above return keccak256( abi.encodePacked("\x19Ethereum Signed Message:\n32", hash) ); } }
/** * @title Eliptic curve signature operations * @dev Based on https://gist.github.com/axic/5b33912c6f61ae6fd96d6c4a47afde6d * TODO Remove this library once solidity supports passing a signature to ecrecover. * See https://github.com/ethereum/solidity/issues/864 */
NatSpecMultiLine
toEthSignedMessageHash
function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) { // 32 is the length in bytes of hash, // enforced by the type signature above return keccak256( abi.encodePacked("\x19Ethereum Signed Message:\n32", hash) ); }
/** * toEthSignedMessageHash * @dev prefix a bytes32 value with "\x19Ethereum Signed Message:" * and hash the result */
NatSpecMultiLine
v0.5.4+commit.9549d8ff
MIT
bzzr://9ce91c89b7de19f2f5221b1c3deead8577a2d45162c687c0054fc1889b0c61c8
{ "func_code_index": [ 1585, 1915 ] }
55,715
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
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
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 89, 483 ] }
55,716
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
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
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 567, 858 ] }
55,717
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
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
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 972, 1094 ] }
55,718
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
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
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 1158, 1293 ] }
55,719
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
BasicToken
contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) internal balances; uint256 internal totalSupply_; /** * @dev Total number of tokens in existence */ function totalSupply() public view returns (uint256) { return totalSupply_; } /** * @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 returns (bool) { require(_value <= balances[msg.sender]); require(_to != address(0)); 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. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256) { return balances[_owner]; } }
/** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */
NatSpecMultiLine
totalSupply
function totalSupply() public view returns (uint256) { return totalSupply_; }
/** * @dev Total number of tokens in existence */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 217, 305 ] }
55,720
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
BasicToken
contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) internal balances; uint256 internal totalSupply_; /** * @dev Total number of tokens in existence */ function totalSupply() public view returns (uint256) { return totalSupply_; } /** * @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 returns (bool) { require(_value <= balances[msg.sender]); require(_to != address(0)); 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. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256) { return balances[_owner]; } }
/** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */
NatSpecMultiLine
transfer
function transfer(address _to, uint256 _value) public returns (bool) { require(_value <= balances[msg.sender]); require(_to != address(0)); 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
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 463, 795 ] }
55,721
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
BasicToken
contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) internal balances; uint256 internal totalSupply_; /** * @dev Total number of tokens in existence */ function totalSupply() public view returns (uint256) { return totalSupply_; } /** * @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 returns (bool) { require(_value <= balances[msg.sender]); require(_to != address(0)); 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. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256) { return balances[_owner]; } }
/** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */
NatSpecMultiLine
balanceOf
function balanceOf(address _owner) public view returns (uint256) { 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
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 1001, 1105 ] }
55,722
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
StandardToken
contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal 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 returns (bool) { require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); require(_to != address(0)); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].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 returns (bool) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a 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 * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval( address _spender, uint256 _addedValue ) public returns (bool) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval( address _spender, uint256 _subtractedValue ) public returns (bool) { uint256 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. * https://github.com/ethereum/EIPs/issues/20 * 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 returns (bool) { require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); require(_to != address(0)); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].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
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 401, 891 ] }
55,723
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
StandardToken
contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal 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 returns (bool) { require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); require(_to != address(0)); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].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 returns (bool) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a 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 * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval( address _spender, uint256 _addedValue ) public returns (bool) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval( address _spender, uint256 _subtractedValue ) public returns (bool) { uint256 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. * https://github.com/ethereum/EIPs/issues/20 * 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 returns (bool) { 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
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 1517, 1712 ] }
55,724
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
StandardToken
contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal 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 returns (bool) { require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); require(_to != address(0)); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].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 returns (bool) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a 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 * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval( address _spender, uint256 _addedValue ) public returns (bool) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval( address _spender, uint256 _subtractedValue ) public returns (bool) { uint256 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. * https://github.com/ethereum/EIPs/issues/20 * 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 returns (uint256) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 2036, 2201 ] }
55,725
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
StandardToken
contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal 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 returns (bool) { require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); require(_to != address(0)); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].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 returns (bool) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a 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 * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval( address _spender, uint256 _addedValue ) public returns (bool) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval( address _spender, uint256 _subtractedValue ) public returns (bool) { uint256 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. * https://github.com/ethereum/EIPs/issues/20 * Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */
NatSpecMultiLine
increaseApproval
function increaseApproval( address _spender, uint256 _addedValue ) public returns (bool) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; }
/** * @dev Increase the amount of tokens that an owner allowed to a 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 * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 2661, 2971 ] }
55,726
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
StandardToken
contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal 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 returns (bool) { require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); require(_to != address(0)); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].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 returns (bool) { 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. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a 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 * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval( address _spender, uint256 _addedValue ) public returns (bool) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval( address _spender, uint256 _subtractedValue ) public returns (bool) { uint256 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. * https://github.com/ethereum/EIPs/issues/20 * Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */
NatSpecMultiLine
decreaseApproval
function decreaseApproval( address _spender, uint256 _subtractedValue ) public returns (bool) { uint256 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; }
/** * @dev Decrease the amount of tokens that an owner allowed to a spender. * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 3436, 3886 ] }
55,727
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
BurnableToken
contract BurnableToken is BasicToken { 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 { _burn(msg.sender, _value); } function _burn(address _who, uint256 _value) internal { require(_value <= balances[_who]); // 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 balances[_who] = balances[_who].sub(_value); totalSupply_ = totalSupply_.sub(_value); emit Burn(_who, _value); emit Transfer(_who, address(0), _value); } }
/** * @title Burnable Token * @dev Token that can be irreversibly burned (destroyed). */
NatSpecMultiLine
burn
function burn(uint256 _value) public { _burn(msg.sender, _value); }
/** * @dev Burns a specific amount of tokens. * @param _value The amount of token to be burned. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 212, 290 ] }
55,728
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
Ownable
contract Ownable { address public owner; event OwnershipRenounced(address indexed previousOwner); event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ constructor() 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 relinquish control of the contract. * @notice Renouncing to ownership will leave the contract without an owner. * It will not be possible to call the functions with the `onlyOwner` * modifier anymore. */ function renounceOwnership() public onlyOwner { emit OwnershipRenounced(owner); owner = address(0); } /** * @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 { _transferOwnership(_newOwner); } /** * @dev Transfers control of the contract to a newOwner. * @param _newOwner The address to transfer ownership to. */ function _transferOwnership(address _newOwner) internal { 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
renounceOwnership
function renounceOwnership() public onlyOwner { emit OwnershipRenounced(owner); owner = address(0); }
/** * @dev Allows the current owner to relinquish control of the contract. * @notice Renouncing to ownership will leave the contract without an owner. * It will not be possible to call the functions with the `onlyOwner` * modifier anymore. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 815, 932 ] }
55,729
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
Ownable
contract Ownable { address public owner; event OwnershipRenounced(address indexed previousOwner); event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ constructor() 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 relinquish control of the contract. * @notice Renouncing to ownership will leave the contract without an owner. * It will not be possible to call the functions with the `onlyOwner` * modifier anymore. */ function renounceOwnership() public onlyOwner { emit OwnershipRenounced(owner); owner = address(0); } /** * @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 { _transferOwnership(_newOwner); } /** * @dev Transfers control of the contract to a newOwner. * @param _newOwner The address to transfer ownership to. */ function _transferOwnership(address _newOwner) internal { 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) public onlyOwner { _transferOwnership(_newOwner); }
/** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param _newOwner The address to transfer ownership to. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 1097, 1205 ] }
55,730
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
Ownable
contract Ownable { address public owner; event OwnershipRenounced(address indexed previousOwner); event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ constructor() 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 relinquish control of the contract. * @notice Renouncing to ownership will leave the contract without an owner. * It will not be possible to call the functions with the `onlyOwner` * modifier anymore. */ function renounceOwnership() public onlyOwner { emit OwnershipRenounced(owner); owner = address(0); } /** * @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 { _transferOwnership(_newOwner); } /** * @dev Transfers control of the contract to a newOwner. * @param _newOwner The address to transfer ownership to. */ function _transferOwnership(address _newOwner) internal { 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) internal { require(_newOwner != address(0)); emit OwnershipTransferred(owner, _newOwner); owner = _newOwner; }
/** * @dev Transfers control of the contract to a newOwner. * @param _newOwner The address to transfer ownership to. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 1343, 1521 ] }
55,731
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
CustomAdmin
contract CustomAdmin is Ownable { ///@notice List of administrators. mapping(address => bool) public admins; event AdminAdded(address indexed _address); event AdminRemoved(address indexed _address); ///@notice Validates if the sender is actually an administrator. modifier onlyAdmin() { require(admins[msg.sender] || msg.sender == owner); _; } ///@notice Adds the specified address to the list of administrators. ///@param _address The address to add to the administrator list. function addAdmin(address _address) external onlyAdmin { require(_address != address(0)); require(!admins[_address]); //The owner is already an admin and cannot be added. require(_address != owner); admins[_address] = true; emit AdminAdded(_address); } ///@notice Adds multiple addresses to the administrator list. ///@param _accounts The wallet addresses to add to the administrator list. function addManyAdmins(address[] _accounts) external onlyAdmin { for(uint8 i=0; i<_accounts.length; i++) { address account = _accounts[i]; ///Zero address cannot be an admin. ///The owner is already an admin and cannot be assigned. ///The address cannot be an existing admin. if(account != address(0) && !admins[account] && account != owner){ admins[account] = true; emit AdminAdded(_accounts[i]); } } } ///@notice Removes the specified address from the list of administrators. ///@param _address The address to remove from the administrator list. function removeAdmin(address _address) external onlyAdmin { require(_address != address(0)); require(admins[_address]); //The owner cannot be removed as admin. require(_address != owner); admins[_address] = false; emit AdminRemoved(_address); } function isAdmin(address _account) view public returns(bool) { return admins[_account] || _account == owner; } ///@notice Removes multiple addresses to the administrator list. ///@param _accounts The wallet addresses to remove from the administrator list. function removeManyAdmins(address[] _accounts) external onlyAdmin { for(uint8 i=0; i<_accounts.length; i++) { address account = _accounts[i]; ///Zero address can neither be added or removed from this list. ///The owner is the super admin and cannot be removed. ///The address must be an existing admin in order for it to be removed. if(account != address(0) && admins[account] && account != owner){ admins[account] = false; emit AdminRemoved(_accounts[i]); } } } }
///@title This contract enables to create multiple contract administrators.
NatSpecSingleLine
addAdmin
function addAdmin(address _address) external onlyAdmin { require(_address != address(0)); require(!admins[_address]); //The owner is already an admin and cannot be added. require(_address != owner); admins[_address] = true; emit AdminAdded(_address); }
///@notice Adds the specified address to the list of administrators. ///@param _address The address to add to the administrator list.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 522, 816 ] }
55,732
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
CustomAdmin
contract CustomAdmin is Ownable { ///@notice List of administrators. mapping(address => bool) public admins; event AdminAdded(address indexed _address); event AdminRemoved(address indexed _address); ///@notice Validates if the sender is actually an administrator. modifier onlyAdmin() { require(admins[msg.sender] || msg.sender == owner); _; } ///@notice Adds the specified address to the list of administrators. ///@param _address The address to add to the administrator list. function addAdmin(address _address) external onlyAdmin { require(_address != address(0)); require(!admins[_address]); //The owner is already an admin and cannot be added. require(_address != owner); admins[_address] = true; emit AdminAdded(_address); } ///@notice Adds multiple addresses to the administrator list. ///@param _accounts The wallet addresses to add to the administrator list. function addManyAdmins(address[] _accounts) external onlyAdmin { for(uint8 i=0; i<_accounts.length; i++) { address account = _accounts[i]; ///Zero address cannot be an admin. ///The owner is already an admin and cannot be assigned. ///The address cannot be an existing admin. if(account != address(0) && !admins[account] && account != owner){ admins[account] = true; emit AdminAdded(_accounts[i]); } } } ///@notice Removes the specified address from the list of administrators. ///@param _address The address to remove from the administrator list. function removeAdmin(address _address) external onlyAdmin { require(_address != address(0)); require(admins[_address]); //The owner cannot be removed as admin. require(_address != owner); admins[_address] = false; emit AdminRemoved(_address); } function isAdmin(address _account) view public returns(bool) { return admins[_account] || _account == owner; } ///@notice Removes multiple addresses to the administrator list. ///@param _accounts The wallet addresses to remove from the administrator list. function removeManyAdmins(address[] _accounts) external onlyAdmin { for(uint8 i=0; i<_accounts.length; i++) { address account = _accounts[i]; ///Zero address can neither be added or removed from this list. ///The owner is the super admin and cannot be removed. ///The address must be an existing admin in order for it to be removed. if(account != address(0) && admins[account] && account != owner){ admins[account] = false; emit AdminRemoved(_accounts[i]); } } } }
///@title This contract enables to create multiple contract administrators.
NatSpecSingleLine
addManyAdmins
function addManyAdmins(address[] _accounts) external onlyAdmin { for(uint8 i=0; i<_accounts.length; i++) { address account = _accounts[i]; ///Zero address cannot be an admin. ///The owner is already an admin and cannot be assigned. ///The address cannot be an existing admin. if(account != address(0) && !admins[account] && account != owner){ admins[account] = true; emit AdminAdded(_accounts[i]); } } }
///@notice Adds multiple addresses to the administrator list. ///@param _accounts The wallet addresses to add to the administrator list.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 962, 1445 ] }
55,733
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
CustomAdmin
contract CustomAdmin is Ownable { ///@notice List of administrators. mapping(address => bool) public admins; event AdminAdded(address indexed _address); event AdminRemoved(address indexed _address); ///@notice Validates if the sender is actually an administrator. modifier onlyAdmin() { require(admins[msg.sender] || msg.sender == owner); _; } ///@notice Adds the specified address to the list of administrators. ///@param _address The address to add to the administrator list. function addAdmin(address _address) external onlyAdmin { require(_address != address(0)); require(!admins[_address]); //The owner is already an admin and cannot be added. require(_address != owner); admins[_address] = true; emit AdminAdded(_address); } ///@notice Adds multiple addresses to the administrator list. ///@param _accounts The wallet addresses to add to the administrator list. function addManyAdmins(address[] _accounts) external onlyAdmin { for(uint8 i=0; i<_accounts.length; i++) { address account = _accounts[i]; ///Zero address cannot be an admin. ///The owner is already an admin and cannot be assigned. ///The address cannot be an existing admin. if(account != address(0) && !admins[account] && account != owner){ admins[account] = true; emit AdminAdded(_accounts[i]); } } } ///@notice Removes the specified address from the list of administrators. ///@param _address The address to remove from the administrator list. function removeAdmin(address _address) external onlyAdmin { require(_address != address(0)); require(admins[_address]); //The owner cannot be removed as admin. require(_address != owner); admins[_address] = false; emit AdminRemoved(_address); } function isAdmin(address _account) view public returns(bool) { return admins[_account] || _account == owner; } ///@notice Removes multiple addresses to the administrator list. ///@param _accounts The wallet addresses to remove from the administrator list. function removeManyAdmins(address[] _accounts) external onlyAdmin { for(uint8 i=0; i<_accounts.length; i++) { address account = _accounts[i]; ///Zero address can neither be added or removed from this list. ///The owner is the super admin and cannot be removed. ///The address must be an existing admin in order for it to be removed. if(account != address(0) && admins[account] && account != owner){ admins[account] = false; emit AdminRemoved(_accounts[i]); } } } }
///@title This contract enables to create multiple contract administrators.
NatSpecSingleLine
removeAdmin
function removeAdmin(address _address) external onlyAdmin { require(_address != address(0)); require(admins[_address]); //The owner cannot be removed as admin. require(_address != owner); admins[_address] = false; emit AdminRemoved(_address); }
///@notice Removes the specified address from the list of administrators. ///@param _address The address to remove from the administrator list.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 1598, 1882 ] }
55,734
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
CustomAdmin
contract CustomAdmin is Ownable { ///@notice List of administrators. mapping(address => bool) public admins; event AdminAdded(address indexed _address); event AdminRemoved(address indexed _address); ///@notice Validates if the sender is actually an administrator. modifier onlyAdmin() { require(admins[msg.sender] || msg.sender == owner); _; } ///@notice Adds the specified address to the list of administrators. ///@param _address The address to add to the administrator list. function addAdmin(address _address) external onlyAdmin { require(_address != address(0)); require(!admins[_address]); //The owner is already an admin and cannot be added. require(_address != owner); admins[_address] = true; emit AdminAdded(_address); } ///@notice Adds multiple addresses to the administrator list. ///@param _accounts The wallet addresses to add to the administrator list. function addManyAdmins(address[] _accounts) external onlyAdmin { for(uint8 i=0; i<_accounts.length; i++) { address account = _accounts[i]; ///Zero address cannot be an admin. ///The owner is already an admin and cannot be assigned. ///The address cannot be an existing admin. if(account != address(0) && !admins[account] && account != owner){ admins[account] = true; emit AdminAdded(_accounts[i]); } } } ///@notice Removes the specified address from the list of administrators. ///@param _address The address to remove from the administrator list. function removeAdmin(address _address) external onlyAdmin { require(_address != address(0)); require(admins[_address]); //The owner cannot be removed as admin. require(_address != owner); admins[_address] = false; emit AdminRemoved(_address); } function isAdmin(address _account) view public returns(bool) { return admins[_account] || _account == owner; } ///@notice Removes multiple addresses to the administrator list. ///@param _accounts The wallet addresses to remove from the administrator list. function removeManyAdmins(address[] _accounts) external onlyAdmin { for(uint8 i=0; i<_accounts.length; i++) { address account = _accounts[i]; ///Zero address can neither be added or removed from this list. ///The owner is the super admin and cannot be removed. ///The address must be an existing admin in order for it to be removed. if(account != address(0) && admins[account] && account != owner){ admins[account] = false; emit AdminRemoved(_accounts[i]); } } } }
///@title This contract enables to create multiple contract administrators.
NatSpecSingleLine
removeManyAdmins
function removeManyAdmins(address[] _accounts) external onlyAdmin { for(uint8 i=0; i<_accounts.length; i++) { address account = _accounts[i]; ///Zero address can neither be added or removed from this list. ///The owner is the super admin and cannot be removed. ///The address must be an existing admin in order for it to be removed. if(account != address(0) && admins[account] && account != owner){ admins[account] = false; emit AdminRemoved(_accounts[i]); } } }
///@notice Removes multiple addresses to the administrator list. ///@param _accounts The wallet addresses to remove from the administrator list.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 2162, 2704 ] }
55,735
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
CustomPausable
contract CustomPausable is CustomAdmin { event Paused(); event Unpaused(); bool public paused = false; ///@notice Verifies whether the contract is not paused. modifier whenNotPaused() { require(!paused); _; } ///@notice Verifies whether the contract is paused. modifier whenPaused() { require(paused); _; } ///@notice Pauses the contract. function pause() external onlyAdmin whenNotPaused { paused = true; emit Paused(); } ///@notice Unpauses the contract and returns to normal state. function unpause() external onlyAdmin whenPaused { paused = false; emit Unpaused(); } }
///@title This contract enables you to create pausable mechanism to stop in case of emergency.
NatSpecSingleLine
pause
function pause() external onlyAdmin whenNotPaused { paused = true; emit Paused(); }
///@notice Pauses the contract.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 398, 497 ] }
55,736
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
CustomPausable
contract CustomPausable is CustomAdmin { event Paused(); event Unpaused(); bool public paused = false; ///@notice Verifies whether the contract is not paused. modifier whenNotPaused() { require(!paused); _; } ///@notice Verifies whether the contract is paused. modifier whenPaused() { require(paused); _; } ///@notice Pauses the contract. function pause() external onlyAdmin whenNotPaused { paused = true; emit Paused(); } ///@notice Unpauses the contract and returns to normal state. function unpause() external onlyAdmin whenPaused { paused = false; emit Unpaused(); } }
///@title This contract enables you to create pausable mechanism to stop in case of emergency.
NatSpecSingleLine
unpause
function unpause() external onlyAdmin whenPaused { paused = false; emit Unpaused(); }
///@notice Unpauses the contract and returns to normal state.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 565, 666 ] }
55,737
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
computeHash
function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); }
///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 1136, 1255 ] }
55,738
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
releaseTokenForTransfer
function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); }
///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 1717, 1878 ] }
55,739
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
disableTokenTransfers
function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); }
///@notice This function disables token transfers for everyone.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 1948, 2107 ] }
55,740
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
setICOEndDate
function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); }
///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 2304, 2484 ] }
55,741
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
mintTokens
function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); }
///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 2851, 3173 ] }
55,742
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
mintOnce
function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; }
///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 3447, 3686 ] }
55,743
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
mintTokensForAdvisors
function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); }
//The tokens are only available to the advisors after 1 year of the ICO end.
LineComment
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 3867, 4052 ] }
55,744
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
mintTokensForFounders
function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); }
//The tokens are only available to the founders after 2 year of the ICO end.
LineComment
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 4233, 4419 ] }
55,745
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
mintTokensForServices
function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); }
//The tokens are only available to the services after 1 year of the ICO end.
LineComment
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 4596, 4781 ] }
55,746
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
transfer
function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); }
///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 5155, 5331 ] }
55,747
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
transferFrom
function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); }
///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 5632, 5833 ] }
55,748
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
approve
function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); }
///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 6129, 6318 ] }
55,749
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
increaseApproval
function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); }
///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 6607, 6823 ] }
55,750
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
decreaseApproval
function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); }
///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 7128, 7355 ] }
55,751
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
sumOf
function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; }
///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 7478, 7695 ] }
55,752
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
bulkTransfer
function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); }
///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 7969, 8495 ] }
55,753
VRHToken
VRHToken.sol
0x3c03e8b1c939bafe0b95ccc6efb2921a4fe289ac
Solidity
VRHToken
contract VRHToken is StandardToken, CustomPausable, BurnableToken { uint8 public constant decimals = 18; string public constant name = "VirtualRehab"; string public constant symbol = "VRH"; uint public constant MAX_SUPPLY = 400000000 * (10 ** uint256(decimals)); uint public constant INITIAL_SUPPLY = (400000000 - 1650000 - 2085000 - 60000000) * (10 ** uint256(decimals)); bool public released = false; uint public ICOEndDate; mapping(bytes32 => bool) private mintingList; event Mint(address indexed to, uint256 amount); event BulkTransferPerformed(address[] _destinations, uint256[] _amounts); event TokenReleased(bool _state); event ICOEndDateSet(uint256 _date); ///@notice Checks if the supplied address is able to perform transfers. ///@param _from The address to check against if the transfer is allowed. modifier canTransfer(address _from) { if(paused || !released) { if(!isAdmin(_from)) { revert(); } } _; } ///@notice Computes keccak256 hash of the supplied value. ///@param _key The string value to compute hash from. function computeHash(string _key) private pure returns(bytes32){ return keccak256(abi.encodePacked(_key)); } ///@notice Checks if the minting for the supplied key was already performed. ///@param _key The key or category name of minting. modifier whenNotMinted(string _key) { if(mintingList[computeHash(_key)]) { revert(); } _; } constructor() public { mintTokens(msg.sender, INITIAL_SUPPLY); } ///@notice This function enables token transfers for everyone. ///Can only be enabled after the end of the ICO. function releaseTokenForTransfer() public onlyAdmin whenNotPaused { require(!released); released = true; emit TokenReleased(released); } ///@notice This function disables token transfers for everyone. function disableTokenTransfers() public onlyAdmin whenNotPaused { require(released); released = false; emit TokenReleased(released); } ///@notice This function enables the whitelisted application (internal application) to set the ICO end date and can only be used once. ///@param _date The date to set as the ICO end date. function setICOEndDate(uint _date) public onlyAdmin { require(ICOEndDate == 0); require(_date > now); ICOEndDate = _date; emit ICOEndDateSet(_date); } ///@notice Mints the supplied value of the tokens to the destination address. //Minting cannot be performed any further once the maximum supply is reached. //This function is private and cannot be used by anyone except for this contract. ///@param _to The address which will receive the minted tokens. ///@param _value The amount of tokens to mint. function mintTokens(address _to, uint _value) private { require(_to != address(0)); require(totalSupply_.add(_value) <= MAX_SUPPLY); balances[_to] = balances[_to].add(_value); totalSupply_ = totalSupply_.add(_value); emit Mint(_to, _value); emit Transfer(address(0), _to, _value); } ///@notice Mints the tokens only once against the supplied key (category). ///@param _key The key or the category of the allocation to mint the tokens for. ///@param _to The address receiving the minted tokens. ///@param _amount The amount of tokens to mint. function mintOnce(string _key, address _to, uint256 _amount) private whenNotPaused whenNotMinted(_key) { _amount = _amount * (10 ** uint256(decimals)); mintTokens(_to, _amount); mintingList[computeHash(_key)] = true; } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab advisors. //The tokens are only available to the advisors after 1 year of the ICO end. function mintTokensForAdvisors() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 365 days)); mintOnce("advisors", msg.sender, 1650000); } ///@notice Mints the below-mentioned amount of tokens allocated to the Virtual Rehab founders. //The tokens are only available to the founders after 2 year of the ICO end. function mintTokensForFounders() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 720 days)); mintOnce("founders", msg.sender, 60000000); } ///@notice Mints the below-mentioned amount of tokens allocated to Virtual Rehab services. //The tokens are only available to the services after 1 year of the ICO end. function mintTokensForServices() public onlyAdmin { require(ICOEndDate != 0); require(now > (ICOEndDate + 60 days)); mintOnce("services", msg.sender, 2085000); } ///@notice Transfers the specified value of VRH tokens to the destination address. //Transfers can only happen when the tranfer state is enabled. //Transfer state can only be enabled after the end of the crowdsale. ///@param _to The destination wallet address to transfer funds to. ///@param _value The amount of tokens to send to the destination address. function transfer(address _to, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_to != address(0)); return super.transfer(_to, _value); } ///@notice Transfers tokens from a specified wallet address. ///@dev This function is overriden to leverage transfer state feature. ///@param _from The address to transfer funds from. ///@param _to The address to transfer funds to. ///@param _value The amount of tokens to transfer. function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from) public returns (bool) { require(_to != address(0)); return super.transferFrom(_from, _to, _value); } ///@notice Approves a wallet address to spend on behalf of the sender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _value The amount of tokens approve to spend. function approve(address _spender, uint256 _value) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.approve(_spender, _value); } ///@notice Increases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address which is approved to spend on behalf of the sender. ///@param _addedValue The added amount of tokens approved to spend. function increaseApproval(address _spender, uint256 _addedValue) public canTransfer(msg.sender) returns(bool) { require(_spender != address(0)); return super.increaseApproval(_spender, _addedValue); } ///@notice Decreases the approval of the spender. ///@dev This function is overriden to leverage transfer state feature. ///@param _spender The address of the spender to decrease the allocation from. ///@param _subtractedValue The amount of tokens to subtract from the approved allocation. function decreaseApproval(address _spender, uint256 _subtractedValue) public canTransfer(msg.sender) returns (bool) { require(_spender != address(0)); return super.decreaseApproval(_spender, _subtractedValue); } ///@notice Returns the sum of supplied values. ///@param _values The collection of values to create the sum from. function sumOf(uint256[] _values) private pure returns(uint256) { uint256 total = 0; for (uint256 i = 0; i < _values.length; i++) { total = total.add(_values[i]); } return total; } ///@notice Allows only the admins and/or whitelisted applications to perform bulk transfer operation. ///@param _destinations The destination wallet addresses to send funds to. ///@param _amounts The respective amount of fund to send to the specified addresses. function bulkTransfer(address[] _destinations, uint256[] _amounts) public onlyAdmin { require(_destinations.length == _amounts.length); //Saving gas by determining if the sender has enough balance //to post this transaction. uint256 requiredBalance = sumOf(_amounts); require(balances[msg.sender] >= requiredBalance); for (uint256 i = 0; i < _destinations.length; i++) { transfer(_destinations[i], _amounts[i]); } emit BulkTransferPerformed(_destinations, _amounts); } ///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature. function burn(uint256 _value) public whenNotPaused { super.burn(_value); } }
///@title Virtual Rehab Token (VRH) ERC20 Token Contract ///@author Binod Nirvan, Subramanian Venkatesan (http://virtualrehab.co) ///@notice The Virtual Rehab Token (VRH) has been created as a centralized currency ///to be used within the Virtual Rehab network. Users will be able to purchase and sell ///VRH tokens in exchanges. The token follows the standards of Ethereum ERC20 Standard token. ///Its design follows the widely adopted token implementation standards. ///This allows token holders to easily store and manage their VRH tokens using existing solutions ///including ERC20-compatible Ethereum wallets. The VRH Token is a utility token ///and is core to Virtual Rehab’s end-to-end operations. /// ///VRH utility use cases include: ///1. Order & Download Virtual Rehab programs through the Virtual Rehab Online Portal ///2. Request further analysis, conducted by Virtual Rehab's unique expert system (which leverages Artificial Intelligence), of the executed programs ///3. Receive incentives (VRH rewards) for seeking help and counselling from psychologists, therapists, or medical doctors ///4. Allows users to pay for services received at the Virtual Rehab Therapy Center
NatSpecSingleLine
burn
function burn(uint256 _value) public whenNotPaused { super.burn(_value); }
///@notice Burns the coins held by the sender. ///@param _value The amount of coins to burn. ///@dev This function is overriden to leverage Pausable feature.
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7157090d1e6ef145885a8d2cbecf16fabd8c9e1285768fcbc4c4482502833660
{ "func_code_index": [ 8665, 8750 ] }
55,754
Joylabor
Joylabor.sol
0xd2a5885076aa5d21ab9c9cf8a5cd06d105638dd1
Solidity
Joylabor
contract Joylabor { address public owner; string public name; string public symbol; uint8 public decimals; uint256 public totalSupply; mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; /* This generates a public event on the blockchain that will notify clients */ event Transfer(address indexed from, address indexed to, uint256 value); /* This notifies clients about the amount burnt */ event Burn(address indexed from, uint256 value); /* Initializes contract with initial supply tokens to the creator of the contract */ function Joylabor() { owner = 0x0286CC45C6D24C6663a756AeF12942e086bd62f5; name = 'Joylabor'; symbol = 'JL'; decimals = 18; totalSupply = 10000000000000000000000000000; // 2e28 balanceOf[owner] = 10000000000000000000000000000; } /* Send coins */ function transfer(address _to, uint256 _value) returns (bool success) { require(balanceOf[msg.sender] >= _value); balanceOf[msg.sender] -= _value; balanceOf[_to] += _value; Transfer(msg.sender, _to, _value); return true; } /* Allow another contract to spend some tokens in your behalf */ function approve(address _spender, uint256 _value) returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } /* A contract attempts to get the coins */ function transferFrom(address _from, address _to, uint256 _value) returns (bool success) { require(balanceOf[_from] >= _value); require(allowance[_from][msg.sender] >= _value); balanceOf[_from] -= _value; balanceOf[_to] += _value; allowance[_from][msg.sender] -= _value; Transfer(_from, _to, _value); return true; } function burn(uint256 _value) returns (bool success) { require(balanceOf[msg.sender] >= _value); balanceOf[msg.sender] -= _value; totalSupply -= _value; Burn(msg.sender, _value); return true; } }
Joylabor
function Joylabor() { owner = 0x0286CC45C6D24C6663a756AeF12942e086bd62f5; name = 'Joylabor'; symbol = 'JL'; decimals = 18; totalSupply = 10000000000000000000000000000; // 2e28 balanceOf[owner] = 10000000000000000000000000000; }
/* Initializes contract with initial supply tokens to the creator of the contract */
Comment
v0.4.13+commit.fb4cb1a
bzzr://0fc332b9b73e766469f956179c220b990c45ff2e1598e6675aead5359bec00b6
{ "func_code_index": [ 660, 939 ] }
55,755
Joylabor
Joylabor.sol
0xd2a5885076aa5d21ab9c9cf8a5cd06d105638dd1
Solidity
Joylabor
contract Joylabor { address public owner; string public name; string public symbol; uint8 public decimals; uint256 public totalSupply; mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; /* This generates a public event on the blockchain that will notify clients */ event Transfer(address indexed from, address indexed to, uint256 value); /* This notifies clients about the amount burnt */ event Burn(address indexed from, uint256 value); /* Initializes contract with initial supply tokens to the creator of the contract */ function Joylabor() { owner = 0x0286CC45C6D24C6663a756AeF12942e086bd62f5; name = 'Joylabor'; symbol = 'JL'; decimals = 18; totalSupply = 10000000000000000000000000000; // 2e28 balanceOf[owner] = 10000000000000000000000000000; } /* Send coins */ function transfer(address _to, uint256 _value) returns (bool success) { require(balanceOf[msg.sender] >= _value); balanceOf[msg.sender] -= _value; balanceOf[_to] += _value; Transfer(msg.sender, _to, _value); return true; } /* Allow another contract to spend some tokens in your behalf */ function approve(address _spender, uint256 _value) returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } /* A contract attempts to get the coins */ function transferFrom(address _from, address _to, uint256 _value) returns (bool success) { require(balanceOf[_from] >= _value); require(allowance[_from][msg.sender] >= _value); balanceOf[_from] -= _value; balanceOf[_to] += _value; allowance[_from][msg.sender] -= _value; Transfer(_from, _to, _value); return true; } function burn(uint256 _value) returns (bool success) { require(balanceOf[msg.sender] >= _value); balanceOf[msg.sender] -= _value; totalSupply -= _value; Burn(msg.sender, _value); return true; } }
transfer
function transfer(address _to, uint256 _value) returns (bool success) { require(balanceOf[msg.sender] >= _value); balanceOf[msg.sender] -= _value; balanceOf[_to] += _value; Transfer(msg.sender, _to, _value); return true; }
/* Send coins */
Comment
v0.4.13+commit.fb4cb1a
bzzr://0fc332b9b73e766469f956179c220b990c45ff2e1598e6675aead5359bec00b6
{ "func_code_index": [ 964, 1233 ] }
55,756
Joylabor
Joylabor.sol
0xd2a5885076aa5d21ab9c9cf8a5cd06d105638dd1
Solidity
Joylabor
contract Joylabor { address public owner; string public name; string public symbol; uint8 public decimals; uint256 public totalSupply; mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; /* This generates a public event on the blockchain that will notify clients */ event Transfer(address indexed from, address indexed to, uint256 value); /* This notifies clients about the amount burnt */ event Burn(address indexed from, uint256 value); /* Initializes contract with initial supply tokens to the creator of the contract */ function Joylabor() { owner = 0x0286CC45C6D24C6663a756AeF12942e086bd62f5; name = 'Joylabor'; symbol = 'JL'; decimals = 18; totalSupply = 10000000000000000000000000000; // 2e28 balanceOf[owner] = 10000000000000000000000000000; } /* Send coins */ function transfer(address _to, uint256 _value) returns (bool success) { require(balanceOf[msg.sender] >= _value); balanceOf[msg.sender] -= _value; balanceOf[_to] += _value; Transfer(msg.sender, _to, _value); return true; } /* Allow another contract to spend some tokens in your behalf */ function approve(address _spender, uint256 _value) returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } /* A contract attempts to get the coins */ function transferFrom(address _from, address _to, uint256 _value) returns (bool success) { require(balanceOf[_from] >= _value); require(allowance[_from][msg.sender] >= _value); balanceOf[_from] -= _value; balanceOf[_to] += _value; allowance[_from][msg.sender] -= _value; Transfer(_from, _to, _value); return true; } function burn(uint256 _value) returns (bool success) { require(balanceOf[msg.sender] >= _value); balanceOf[msg.sender] -= _value; totalSupply -= _value; Burn(msg.sender, _value); return true; } }
approve
function approve(address _spender, uint256 _value) returns (bool success) { allowance[msg.sender][_spender] = _value; return true; }
/* Allow another contract to spend some tokens in your behalf */
Comment
v0.4.13+commit.fb4cb1a
bzzr://0fc332b9b73e766469f956179c220b990c45ff2e1598e6675aead5359bec00b6
{ "func_code_index": [ 1306, 1462 ] }
55,757
Joylabor
Joylabor.sol
0xd2a5885076aa5d21ab9c9cf8a5cd06d105638dd1
Solidity
Joylabor
contract Joylabor { address public owner; string public name; string public symbol; uint8 public decimals; uint256 public totalSupply; mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; /* This generates a public event on the blockchain that will notify clients */ event Transfer(address indexed from, address indexed to, uint256 value); /* This notifies clients about the amount burnt */ event Burn(address indexed from, uint256 value); /* Initializes contract with initial supply tokens to the creator of the contract */ function Joylabor() { owner = 0x0286CC45C6D24C6663a756AeF12942e086bd62f5; name = 'Joylabor'; symbol = 'JL'; decimals = 18; totalSupply = 10000000000000000000000000000; // 2e28 balanceOf[owner] = 10000000000000000000000000000; } /* Send coins */ function transfer(address _to, uint256 _value) returns (bool success) { require(balanceOf[msg.sender] >= _value); balanceOf[msg.sender] -= _value; balanceOf[_to] += _value; Transfer(msg.sender, _to, _value); return true; } /* Allow another contract to spend some tokens in your behalf */ function approve(address _spender, uint256 _value) returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } /* A contract attempts to get the coins */ function transferFrom(address _from, address _to, uint256 _value) returns (bool success) { require(balanceOf[_from] >= _value); require(allowance[_from][msg.sender] >= _value); balanceOf[_from] -= _value; balanceOf[_to] += _value; allowance[_from][msg.sender] -= _value; Transfer(_from, _to, _value); return true; } function burn(uint256 _value) returns (bool success) { require(balanceOf[msg.sender] >= _value); balanceOf[msg.sender] -= _value; totalSupply -= _value; Burn(msg.sender, _value); return true; } }
transferFrom
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) { require(balanceOf[_from] >= _value); require(allowance[_from][msg.sender] >= _value); balanceOf[_from] -= _value; balanceOf[_to] += _value; allowance[_from][msg.sender] -= _value; Transfer(_from, _to, _value); return true; }
/* A contract attempts to get the coins */
Comment
v0.4.13+commit.fb4cb1a
bzzr://0fc332b9b73e766469f956179c220b990c45ff2e1598e6675aead5359bec00b6
{ "func_code_index": [ 1513, 1889 ] }
55,758
TokenERC20
TokenERC20.sol
0x1c3c649566115e0f306118dcbb3077000dfce046
Solidity
TokenERC20
contract TokenERC20 { // Public variables of the token string public name; string public symbol; uint8 public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; // This generates a public event on the blockchain that will notify clients event Transfer(address indexed from, address indexed to, uint256 value); // This generates a public event on the blockchain that will notify clients event Approval(address indexed _owner, address indexed _spender, uint256 _value); // This notifies clients about the amount burnt event Burn(address indexed from, uint256 value); /** * Constructor function * * Initializes contract with initial supply tokens to the creator of the contract */ function TokenERC20( uint256 initialSupply, string tokenName, string tokenSymbol ) public { totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens name = tokenName; // Set the name for display purposes symbol = tokenSymbol; // Set the symbol for display purposes } /** * Internal transfer, only can be called by this contract */ function _transfer(address _from, address _to, uint _value) internal { // Prevent transfer to 0x0 address. Use burn() instead require(_to != 0x0); // Check if the sender has enough require(balanceOf[_from] >= _value); // Check for overflows require(balanceOf[_to] + _value >= balanceOf[_to]); // Save this for an assertion in the future uint previousBalances = balanceOf[_from] + balanceOf[_to]; // Subtract from the sender balanceOf[_from] -= _value; // Add the same to the recipient balanceOf[_to] += _value; Transfer(_from, _to, _value); // Asserts are used to use static analysis to find bugs in your code. They should never fail assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } /** * Transfer tokens * * Send `_value` tokens to `_to` from your account * * @param _to The address of the recipient * @param _value the amount to send */ function transfer(address _to, uint256 _value) public returns (bool success) { _transfer(msg.sender, _to, _value); return true; } /** * Transfer tokens from other address * * Send `_value` tokens to `_to` on behalf of `_from` * * @param _from The address of the sender * @param _to The address of the recipient * @param _value the amount to send */ function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; } /** * Set allowance for other address * * Allows `_spender` to spend no more than `_value` tokens on your behalf * * @param _spender The address authorized to spend * @param _value the max amount they can spend */ function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } /** * Set allowance for other address and notify * * Allows `_spender` to spend no more than `_value` tokens on your behalf, and then ping the contract about it * * @param _spender The address authorized to spend * @param _value the max amount they can spend * @param _extraData some extra information to send to the approved contract */ function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; } } /** * Destroy tokens * * Remove `_value` tokens from the system irreversibly * * @param _value the amount of money to burn */ function burn(uint256 _value) public returns (bool success) { require(balanceOf[msg.sender] >= _value); // Check if the sender has enough balanceOf[msg.sender] -= _value; // Subtract from the sender totalSupply -= _value; // Updates totalSupply Burn(msg.sender, _value); return true; } /** * Destroy tokens from other account * * Remove `_value` tokens from the system irreversibly on behalf of `_from`. * * @param _from the address of the sender * @param _value the amount of money to burn */ function burnFrom(address _from, uint256 _value) public returns (bool success) { require(balanceOf[_from] >= _value); // Check if the targeted balance is enough require(_value <= allowance[_from][msg.sender]); // Check allowance balanceOf[_from] -= _value; // Subtract from the targeted balance allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance totalSupply -= _value; // Update totalSupply Burn(_from, _value); return true; } }
TokenERC20
function TokenERC20( uint256 initialSupply, string tokenName, string tokenSymbol ) public { totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens name = tokenName; // Set the name for display purposes symbol = tokenSymbol; // Set the symbol for display purposes }
/** * Constructor function * * Initializes contract with initial supply tokens to the creator of the contract */
NatSpecMultiLine
v0.4.19+commit.c4cbbb05
bzzr://d8d5bb5673af2efbe50fca5a5c1f6fc159300cf33174fb2ce32840944f9e0896
{ "func_code_index": [ 1015, 1560 ] }
55,759
TokenERC20
TokenERC20.sol
0x1c3c649566115e0f306118dcbb3077000dfce046
Solidity
TokenERC20
contract TokenERC20 { // Public variables of the token string public name; string public symbol; uint8 public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; // This generates a public event on the blockchain that will notify clients event Transfer(address indexed from, address indexed to, uint256 value); // This generates a public event on the blockchain that will notify clients event Approval(address indexed _owner, address indexed _spender, uint256 _value); // This notifies clients about the amount burnt event Burn(address indexed from, uint256 value); /** * Constructor function * * Initializes contract with initial supply tokens to the creator of the contract */ function TokenERC20( uint256 initialSupply, string tokenName, string tokenSymbol ) public { totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens name = tokenName; // Set the name for display purposes symbol = tokenSymbol; // Set the symbol for display purposes } /** * Internal transfer, only can be called by this contract */ function _transfer(address _from, address _to, uint _value) internal { // Prevent transfer to 0x0 address. Use burn() instead require(_to != 0x0); // Check if the sender has enough require(balanceOf[_from] >= _value); // Check for overflows require(balanceOf[_to] + _value >= balanceOf[_to]); // Save this for an assertion in the future uint previousBalances = balanceOf[_from] + balanceOf[_to]; // Subtract from the sender balanceOf[_from] -= _value; // Add the same to the recipient balanceOf[_to] += _value; Transfer(_from, _to, _value); // Asserts are used to use static analysis to find bugs in your code. They should never fail assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } /** * Transfer tokens * * Send `_value` tokens to `_to` from your account * * @param _to The address of the recipient * @param _value the amount to send */ function transfer(address _to, uint256 _value) public returns (bool success) { _transfer(msg.sender, _to, _value); return true; } /** * Transfer tokens from other address * * Send `_value` tokens to `_to` on behalf of `_from` * * @param _from The address of the sender * @param _to The address of the recipient * @param _value the amount to send */ function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; } /** * Set allowance for other address * * Allows `_spender` to spend no more than `_value` tokens on your behalf * * @param _spender The address authorized to spend * @param _value the max amount they can spend */ function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } /** * Set allowance for other address and notify * * Allows `_spender` to spend no more than `_value` tokens on your behalf, and then ping the contract about it * * @param _spender The address authorized to spend * @param _value the max amount they can spend * @param _extraData some extra information to send to the approved contract */ function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; } } /** * Destroy tokens * * Remove `_value` tokens from the system irreversibly * * @param _value the amount of money to burn */ function burn(uint256 _value) public returns (bool success) { require(balanceOf[msg.sender] >= _value); // Check if the sender has enough balanceOf[msg.sender] -= _value; // Subtract from the sender totalSupply -= _value; // Updates totalSupply Burn(msg.sender, _value); return true; } /** * Destroy tokens from other account * * Remove `_value` tokens from the system irreversibly on behalf of `_from`. * * @param _from the address of the sender * @param _value the amount of money to burn */ function burnFrom(address _from, uint256 _value) public returns (bool success) { require(balanceOf[_from] >= _value); // Check if the targeted balance is enough require(_value <= allowance[_from][msg.sender]); // Check allowance balanceOf[_from] -= _value; // Subtract from the targeted balance allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance totalSupply -= _value; // Update totalSupply Burn(_from, _value); return true; } }
_transfer
function _transfer(address _from, address _to, uint _value) internal { // Prevent transfer to 0x0 address. Use burn() instead require(_to != 0x0); // Check if the sender has enough require(balanceOf[_from] >= _value); // Check for overflows require(balanceOf[_to] + _value >= balanceOf[_to]); // Save this for an assertion in the future uint previousBalances = balanceOf[_from] + balanceOf[_to]; // Subtract from the sender balanceOf[_from] -= _value; // Add the same to the recipient balanceOf[_to] += _value; Transfer(_from, _to, _value); // Asserts are used to use static analysis to find bugs in your code. They should never fail assert(balanceOf[_from] + balanceOf[_to] == previousBalances); }
/** * Internal transfer, only can be called by this contract */
NatSpecMultiLine
v0.4.19+commit.c4cbbb05
bzzr://d8d5bb5673af2efbe50fca5a5c1f6fc159300cf33174fb2ce32840944f9e0896
{ "func_code_index": [ 1644, 2487 ] }
55,760