DEFI/LP質押借貸模式軟體開發技術詳情

lxqy1668發表於2023-04-13

區塊鏈中智慧合約的執行裝置還包括儲存單元和通知單元;接收單元,還用於接收部署智慧合約的部署請求;儲存單元,用於若所述目標節點的節點屬性資訊與所述智慧合約的合約屬性資訊相匹配,則儲存所述智慧合約;通知單元,用於通知所述區塊鏈中的其他節點所述目標節點已部署智慧合約,以使其他節點基於所述目標節點的通知對所述智慧合約部署進行共識驗證,並在共識驗證成功後將所述智慧合約寫入區塊。I88智慧合約I928系統開發8024

  

  Coin.Sent().watch({},'',function(error,result){

  

  if(!error){

  

  console.log("Coin transfer:"+result.args.amount+

  

  "coins were sent from"+result.args.from+

  

  "to"+result.args.to+".");

  

  console.log("Balances now:n"+

  

  "Sender:"+Coin.balances.call(result.args.from)+

  

  "Receiver:"+Coin.balances.call(result.args.to));

  

  }

  

  }

  

  function getAmountsOut(address factory,uint amountIn,address[]memory path)internal view returns(uint[]memory amounts){

  

  require(path.length>=2,'UniswapV2Library:INVALID_PATH');

  

  amounts=new uint[](path.length);

  

  amounts[0]=amountIn;

  

  for(uint i;i<path.length-1;i++){

  

  (uint reserveIn,uint reserveOut)=getReserves(factory,path<i>,path[i+1]);

  

  amounts[i+1]=getAmountOut(amounts<i>,reserveIn,reserveOut);

  

  }

  

  }

  

  //performs chained getAmountIn calculations on any number of pairs

  

  //對任意數量的對執行鏈式getAmountIn計算

  

  //為了得到n,輸入a

  

  //路徑:N...C-&gt;B-&gt;A

  

  //數量:n...c-&gt;b-&gt;a

  

  //假如N=A,n=a`

  

  //a`&gt;a則存在空間,如何實現利潤最大化還需考慮

  

  function getAmountsIn(address factory,uint amountOut,address[]memory path)internal view returns(uint[]memory amounts){

  

  require(path.length&gt;=2,'UniswapV2Library:INVALID_PATH');

  

  amounts=new uint[](path.length);

  

  amounts[amounts.length-1]=amountOut;

  

  for(uint i=path.length-1;i&gt;0;i--){

  

  (uint reserveIn,uint reserveOut)=getReserves(factory,path[i-1],path<i>);

  

  amounts[i-1]=getAmountIn(amounts<i>,reserveIn,reserveOut);

  

  }

  

  }

  

  }


來自 “ ITPUB部落格 ” ,連結:http://blog.itpub.net/70020038/viewspace-2945631/,如需轉載,請註明出處,否則將追究法律責任。

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