creation_sourcecode: // SPDX-License-Identifier: GPL-3.0
  // OneBalance Resource Lock Manager Contract
  // Part of the OneBalance Framework for managing resource locks
  pragma solidity ^0.8.0;
  
  contract OneBalanceResourceLockManager {
      
      struct ResourceLock {
          address owner;
          uint256 amount;
          bytes32 conditions;
          uint256 expiry;
          bool fulfilled;
      }
      
      mapping(bytes32 => ResourceLock) private resourceLocks;
      
      event ResourceLockCreated(address indexed owner, bytes32 lockId, uint256 amount, bytes32 conditions, uint256 expiry);
      event ResourceLockFulfilled(address indexed owner, bytes32 lockId);
  
      function createResourceLock(uint256 amount, bytes32 conditions, uint256 expiry) public returns (bytes32) {
          bytes32 lockId = keccak256(abi.encodePacked(msg.sender, amount, conditions, expiry, block.timestamp));
          
          ResourceLock storage newLock = resourceLocks[lockId];
          newLock.owner = msg.sender;
          newLock.amount = amount;
          newLock.conditions = conditions;
          newLock.expiry = expiry;
          newLock.fulfilled = false;
          
          emit ResourceLockCreated(msg.sender, lockId, amount, conditions, expiry);
          return lockId;
      }
  
      function fulfillResourceLock(bytes32 lockId, bytes32 proof) public {
          ResourceLock storage lock = resourceLocks[lockId];
          require(lock.owner == msg.sender, "Only the owner can fulfill the lock");
          require(!lock.fulfilled, "Lock already fulfilled");
          require(block.timestamp <= lock.expiry, "Lock expired");
  
          require(validateProof(proof), "Invalid proof");
  
          lock.fulfilled = true;
          
          emit ResourceLockFulfilled(lock.owner, lockId);
      }
  
      function getLockDetails(bytes32 lockId) public view returns (address, uint256, bytes32, uint256, bool) {
          ResourceLock storage lock = resourceLocks[lockId];
          return (lock.owner, lock.amount, lock.conditions, lock.expiry, lock.fulfilled);
      }
  
      function validateProof(bytes32 proof) internal pure returns (bool) {
          return proof != bytes32(0);
      }
  }