使用 node.js 客户端,我试图通过以下方式调用智能合约功能:
- 创建交易
- 签名
- 广播签名的交易
我部署了一个简单的智能合约:
pragma solidity ^0.4.25;
contract Test {
event MyEvent(address sender, string message, uint sessionId, uint value);
event TestEvent(address sender);
constructor() public {
}
function testFunction(string message, uint sessionId)
public
payable {
emit MyEvent(msg.sender, message, sessionId, msg.value);
}
function test2()
public {
emit TestEvent(msg.sender);
}
}
我成功调用test2
(发送空参数数组时)但未能调用testFunction
哪个参数。我试过使用tronweb triggerSmartContract 调用:
async function triggerSmartContract() {
try {
const options = {
feeLimit: 1000000000,
callValue: 50
};
const parameters = [{type: 'string', value: 'test-round-id-1'}, {type: 'uint', value: 12345}];
const issuerAddress = tronWeb.defaultAddress.base58;
const functionSelector = 'testFunction(string, uint)';
let transactionObject = await tronWeb.transactionBuilder.triggerSmartContract (
contract_address,
functionSelector,
options,
parameters,
tronWeb.address.toHex(issuerAddress)
);
if (!transactionObject.result || !transactionObject.result.result)
return console.error('Unknown error: ' + txJson, null, 2);
// Signing the transaction
const signedTransaction = await tronWeb.trx.sign(transactionObject.transaction);
if (!signedTransaction.signature) {
return console.error('Transaction was not signed properly');
}
// Broadcasting the transaction
const broadcast = await tronWeb.trx.sendRawTransaction(signedTransaction);
console.log(`broadcast: ${broadcast}`);
} catch (e) {
return console.error(e);
}
}
代码运行并在区块链上创建交易,但结果为FAIL-REVERT OPCODE EXECUTED
. 在 tronweb 对象中定义的地址和密钥的钱包中有足够的资金(它没有用完 gas/没有足够的资金问题)。智能合约中的功能也被定义为应付。
由于我可以成功调用任何没有参数的函数,我倾向于认为问题与我构造parameters
数组的方式有关。在查看了 transactionBuilder 的源代码(第 833 行)之后,我以这种方式构建了parameters
数组(一对type
和) 。value
有什么建议么?