去中心化Defi單雙幣質押挖礦系統開發|DeFi合約開發

lxqy16688發表於2023-05-11

  去中心化Defi系統開發,{I88公鏈-I928合約-開發8024},為了進一步擴充區塊鏈技術的應用範圍,需要不斷進行技術創新和發展。其中,主要的創新和發展方向包括提高區塊鏈技術的可擴充套件性和效能、最佳化共識演演算法、加強隱私保護等

  

  區塊鏈技術與其他技術的融合也將成為未來的趨勢。例如,在融領域中,區塊鏈技術與人工智慧技術的融合可以幫助金融機構更加智慧地管理資產;在供應鏈管理領域中,區塊鏈技術和物聯網技術的融合可以實現更精準的物流追蹤和產品溯源等。這些技術的融合將會帶來更加豐富和多元的應用場景,為人們的生活和工作帶來更多的便利和創新

  

  function approve(address _spender,uint256 _value)public returns(bool success){

  

  allowance[msg.sender][_spender]=_value;

  

  emit Approval(msg.sender,_spender,_value);

  

  return true;

  

  }

  

  function transferFrom(address _from,address _to,uint256 _value)public returns(bool success){

  

  require(_value<=balanceOf[_from]);

  

  require(_value<=allowance[_from][msg.sender]);

  

  balanceOf[_to]+=_value;

  

  balanceOf[_from]-=_value;

  

  allowance[_from][msg.sender]-=_value;

  

  emit Transfer(_from,_to,_value);

  

  return true;

  

  }

  

  //Transfer the amount.

  

  balances[msg.sender]-=amount;

  

  balances[to]+=amount;

  

  }

  

  /**

  

  *Read only function to retrieve the token balance of a given account.

  

  *

  

  *The`view`modifier indicates that it doesn't modify the contract's

  

  *state,which allows us to call it without executing a transaction.

  

  */

  

  function balanceOf(address account)external view returns(uint256){

  

  return balances[account];

  

  }

  

  }

  

  uint taxfee=5;

  

  uint burnfee=5;

  

  bool public istransferable=false;

  

  //bool public ExcludedFromReward=false;

  

  //exclude addresses from deflation

  

  mapping(address=>bool)public ExcludedFromFee;

  

  //mapping(address=>bool)public ExcludedFromReward;

  

  mapping(address=>uint256)public balance;

  

  mapping(address=>mapping(address=>uint256))allowance;

  

  mapping(address=>bool)public _Blacklisted;


來自 “ ITPUB部落格 ” ,連結:http://blog.itpub.net/70029086/viewspace-2951377/,如需轉載,請註明出處,否則將追究法律責任。

相關文章