Testing 如何将wei/eth发送至合同地址?(使用truffle javascript测试)
我正试图将wei/eth发送到我的solidity合同的地址,该合同具有外部应付回退功能。下面我的truffle javascript测试不会导致instance.address的平衡。instance.address不是智能合约地址吗?有人知道为什么console.logging会导致0吗?或者发现我错过了什么 谢谢Testing 如何将wei/eth发送至合同地址?(使用truffle javascript测试),testing,blockchain,ethereum,solidity,truffle,Testing,Blockchain,Ethereum,Solidity,Truffle,我正试图将wei/eth发送到我的solidity合同的地址,该合同具有外部应付回退功能。下面我的truffle javascript测试不会导致instance.address的平衡。instance.address不是智能合约地址吗?有人知道为什么console.logging会导致0吗?或者发现我错过了什么 谢谢 const TestContract = artifacts.require("TestContract"); contract('TestContract', async
const TestContract = artifacts.require("TestContract");
contract('TestContract', async (accounts) => {
it('should send 1 ether to TestContract', async () => {
let instance = await TestContract.deployed();
instance.send({from: accounts[1], value: 1000000000000000000});
let balance = await web3.eth.getBalance(instance.address);
console.log('instance.address balance: ' + parseInt(balance));
)}
您不能发送到地址,而不是对象
instance.send({from:accounts[1],value:10000000000000000000000})代码>已解决!我忘了我必须通过web3和eth发送交易,如下所示:
web3.eth.sendTransaction({})
无论如何谢谢你 由于您的问题中没有提供合同,我在这里假设您的合同如下所示
文件路径:
./contracts/TestContract.sol
因此,如果您想使用JS将ETH从帐户[1]
发送到TestContract
,下面是如何做到的:
文件路径:
/test/TestContract.js
请参阅上面代码中的我的评论,以了解更多关于Truffle中.new()
和.deployed()
关键字之间的区别
可以找到我的解决方案的完整源代码。Ah!更改了该行,但得到:TypeError:instance.address.send不是您试图将1 ETH从帐户[1]
发送到TestContract
?是!好的,显式地转换到TestContract的实例地址。现在可以使用web3.utils.toWei
pragma solidity ^0.4.23;
contract TestContract {
// all logic goes here...
function() public payable {
// payable fallback to receive and store ETH
}
}
const tc = artifacts.require("TestContract");
contract('TestContract', async (accounts) => {
let instance;
// Runs before all tests in this block.
// Read about .new() VS .deployed() here:
// https://twitter.com/zulhhandyplast/status/1026181801239171072
before(async () => {
instance = await tc.new();
})
it('TestContract balance should starts with 0 ETH', async () => {
let balance = await web3.eth.getBalance(instance.address);
assert.equal(balance, 0);
})
it('TestContract balance should has 1 ETH after deposit', async () => {
let one_eth = web3.toWei(1, "ether");
await web3.eth.sendTransaction({from: accounts[1], to: instance.address, value: one_eth});
let balance_wei = await web3.eth.getBalance(instance.address);
let balance_ether = web3.fromWei(balance_wei.toNumber(), "ether");
assert.equal(balance_ether, 1);
})
})