text: //
  //  DSChainLock.h
  //  AxeSync
  //
  //  Created by Sam Westrich on 11/25/19.
  //
  //  Permission is hereby granted, free of charge, to any person obtaining a copy
  //  of this software and associated documentation files (the "Software"), to deal
  //  in the Software without restriction, including without limitation the rights
  //  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  //  copies of the Software, and to permit persons to whom the Software is
  //  furnished to do so, subject to the following conditions:
  //
  //  The above copyright notice and this permission notice shall be included in
  //  all copies or substantial portions of the Software.
  //
  //  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  //  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  //  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  //  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  //  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  //  THE SOFTWARE.
  
  #import <Foundation/Foundation.h>
  #import "BigIntTypes.h"
  
  NS_ASSUME_NONNULL_BEGIN
  
  @class DSChain, DSQuorumEntry, DSMasternodeList;
  
  @interface DSChainLock : NSObject
  
  @property (nonatomic, readonly) uint32_t height;
  @property (nonatomic, readonly) UInt256 blockHash;
  @property (nonatomic, readonly) UInt256 requestID;
  @property (nonatomic, readonly) UInt768 signature;
  @property (nonatomic, readonly) BOOL signatureVerified;
  @property (nonatomic, readonly) BOOL saved;
  @property (nonatomic, readonly) DSQuorumEntry * intendedQuorum;
  
  // message can be either a merkleblock or header message
  + (instancetype)chainLockWithMessage:(NSData *)message onChain:(DSChain*)chain;
  
  - (instancetype)initWithMessage:(NSData *)message onChain:(DSChain*)chain;
  
  - (instancetype)initWithBlockHash:(UInt256)blockHash signature:(UInt768)signature signatureVerified:(BOOL)signatureVerified quorumVerified:(BOOL)quorumVerified onChain:(DSChain*)chain;
  
  - (instancetype)init NS_UNAVAILABLE;
  
  - (DSQuorumEntry*)findSigningQuorumReturnMasternodeList:(DSMasternodeList*_Nullable*_Nullable)returnMasternodeList;
  
  - (BOOL)verifySignature;
  
  - (void)saveInitial;
  
  - (void)saveSignatureValid;
  
  @end
  
  NS_ASSUME_NONNULL_END
  