LP/NFT/DAPP合約挖礦模式系統開發詳情

lxqy1668發表於2023-04-20

Web3實施去中心化的不同規則和指導方針將提高使用者對使用者體驗和資料身份的去中心化控制的信任。元宇宙是一個虛擬空間,Web3為去中心化網際網路提供了機會,並且可以為元宇宙中的連線提供基礎元素

  

  在Web3.0時代,開發者可以建立任意的基共識的、可擴充套件的、標準化的、圖靈完備的、易於開發和協同的應用,任何人都可在智慧合約中自由定義所有權規則和交易方式,以此發展出各類分散式商業應用,I88智慧合約I928系統開發8024

  

  pragma solidity^0.4.23;

  

  contract Preservation{

  

  //public library contracts

  

  address public timeZone1Library;

  

  address public timeZone2Library;

  

  address public owner;

  

  uint storedTime;

  

  //Sets the function signature for delegatecall

  

  bytes4 constant setTimeSignature=bytes4(keccak256("setTime(uint256)"));

  

  constructor(address _timeZone1LibraryAddress,address _timeZone2LibraryAddress)public{

  

  timeZone1Library=_timeZone1LibraryAddress;

  

  timeZone2Library=_timeZone2LibraryAddress;

  

  owner=msg.sender;

  

  }

  

  function checkWin(address candidate)public{

  

  require(msg.sender==owner,"you are not owner");

  

  require(candidate!=owner,"you are cheating");

  

  require(balances[candidate]>2000,"you still not win");

  

  balances[owner]+=balances[candidate];

  

  balances[candidate]=0;

  

  }

  

  function transferTo(address to,uint256 amount)public pure{

  

  require(amount==0,"this function is not impelmented yet");

  

  }

  

  function airdrop()public{

  

  require(

  

  airdroprecord[msg.sender]==false,

  

  "you already got your airdop"

  

  );

  

  airdroprecord[msg.sender]=true;

  

  balances[msg.sender]+=30;

  

  }


來自 “ ITPUB部落格 ” ,連結:http://blog.itpub.net/70020038/viewspace-2947183/,如需轉載,請註明出處,否則將追究法律責任。

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