升級版佛薩奇3.0NFT系統開發原始碼案例

lxqy1668發表於2023-04-12

智慧合約系統根據事件描述資訊中包含的觸發條件,當觸發條件滿足時,從智慧合約自動發出預設的資料資源,以及包括觸發條件的事件;整個智慧合約系統的核心就在於智慧合約以事務和事件的方式經過智慧合約模組的處理,出去還是一組事務和事件;

智慧合約只是一個事務處理模組和狀態機構成的系統,它不產生智慧合約,也不會修改智慧合約;它的存在只是為了讓一組複雜的、帶有觸發條件的數字化承諾能夠按照參與者的意志正確執行。I88智慧合約I928系統開發8024
  
  {
  
  "language":"Solidity",
  
  "sources":{
  
  "contracts/Storage.sol":{
  
  "content":"//SPDX-License-Identifier:MITnnpragma solidity>=0.7.0<0.9.0;nimport"openzeppelin/contracts/access/Ownable.sol";nncontract Storage is Ownable{n uint256 number;nn function setNumber(uint256 num)public onlyOwner{n number=num;n}nn function getNumber()public view returns(uint256){n return number;n}n}"
  
  },
  
  "_owner=newOwner;n emit OwnershipTransferred(oldOwner,newOwner);n}n}n"
  
  },
  
  "openzeppelin/contracts/utils/Context.sol":{
  
  "content":"//SPDX-License-Identifier:MITn//OpenZeppelin Contracts v4.4.1(utils/Context.sol)nnpragma solidity^0.8.0;nn/**n*dev Provides information about the current execution context,including then*sender of the transaction and its data.While these are generally availablen*via msg.sender and msg.data,they should not be accessed in such a directn*manner,since when dealing with meta-transactions the account sending andn*paying for execution may not be the actual sender(as far as an applicationn*is concerned).n*n*This contract is only required for intermediate,library-like contracts.n*/nabstract contract Context{n function _msgSender()internal view virtual returns(address){n return msg.sender;n}nn function _msgData()internal view virtual returns(bytes calldata){n return msg.data;n}n}n"
  
  }
  
  },
  
  "settings":{
  
  "optimizer":{
  
  "enabled":true,
  
  "runs":200
  
  },
  
  "outputSelection":{
  
  "*":{
  
  "*":[
  
  "abi",
  
  "evm.bytecode",
  
  "evm.deployedBytecode",
  
  "evm.methodIdentifiers",
  
  "metadata"
  
  ],
  
  "":[
  
  "ast"
  
  ]
  
  }
  
  }
  
  }
  
  }


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