web3.js 1.0和Solidity之间的数据不匹配

问题描述 投票:0回答:1

我是以太坊/ Solidity / Web3.js。我正在尝试使用web3.js web.eth.sendsendTransaction()方法,以便在私有链上的已部署合同中运行函数。

我尝试执行的功能是:

contract Matematicas{
    uint256 ultimaSuma;
    uint256 ultimaMultiplicacion;
    uint256 contador;
    uint256 factorA;
    uint256 factorB;
    uint256 sumandoA;
    uint256 sumandoB;
    bytes datosMensaje;...

    function multiplica(uint256 a, uint256 b) public{
        datosMensaje=msg.data;
        factorA=a;
        factorB=b;
        ultimaMultiplicacion=(a*b);
    }
... 
}

我从Mist浏览器调用multiplica运行以下JavaScript代码:

var contracAddress="0xXXXXXXXX";
var contractABI=[{"constant":false,"inputs":[{"name":"a","type":"uint256"},{"name":"b","type":"uint256"}],"name":"multiplica","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},...];
var functionABI=$.grep(contractABITercero,function(metodo,index){ return metodo.name=='multiplica';});
functionABI=abiDelaFuncion[0];
var abiByteCode= web3.eth.abi.encodeFunctionCall(functionABI,[document.getElementById('firstNumber').value,document.getElementById('secondNumber').value]);
var transactionObject={from:"0xxxxxxxxxx",to:contractAddress,data:abiByteCode, gas:10000000};
web3.eth.sendTransaction(transactionObject, function(error,hash){......});

如果我设置firstNumber = 1000和secondNumber = 2000,那么abiByteCodes碰巧是:

0ksh38a836dfa00000000000000000000000000000000000000000000000000000000000003a800000000000000000000000000000000000000000000000000000000000007d0

0x38e836df是函数签名的sha,这是正确的;

03e8是1000(firstNumber)右边的十六进制

07d0是2000的十六进制(secondNumber)确定

但是存储在区块链中的数据是:

datosMensaje:0x38e836df000000000000000000000000000000000000000000000000000000000000009e03e80000000000000000000000000000000000000000000000000000000000000000000000009000d0d0

factorA:8520680(0x8203E8)

factorB:8521680(0x8207D0)

我究竟做错了什么?

我在Windows 10 64位桌面上使用geth 1.7.3和Mist 0.9.2。

谢谢

附:我知道还有其他方法来调用契约函数,比如通过新的web3.eth.Contract(contractABI,contractAddress)实例化合同,但我正在考虑一个需要使用sendTransaction()方法的项目

ethereum solidity web3
1个回答
0
投票

经过无数个小时后,我意识到这是由于混音IDE在调试选项卡中显示值的错误。如果我使用web3.js ver 1.0方法getStorageAt(address,key)从区块链中恢复数据,我会得到预期的值。

谢谢亚当

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