如何使用unisWAPV2与Weth交换ETH？
我正在尝试使用uniswaprouterv2和ethers.js在weth中交换eth的等效物我做错了。
await this.uniswapRouter.swapETHForExactTokens(
ethers.provider.getBalance(attacker.addres), // amountOut
[0, this.weth.address], // path: what should it be instead of 0?
attacker.address, // to
(await ethers.provider.getBlock('latest').timestamp) * 2, // deadline
{value: ethers.provider.getBalance(attacker.addres)} // msg.value
)
I'm trying to swap ETH for its equivalent in WETH using UniswapRouterV2 and ethers.js but I don't know what address to put in as ETH in the path array since it doesn't have one, so please let me know what I'm doing wrong.
await this.uniswapRouter.swapETHForExactTokens(
ethers.provider.getBalance(attacker.addres), // amountOut
[0, this.weth.address], // path: what should it be instead of 0?
attacker.address, // to
(await ethers.provider.getBlock('latest').timestamp) * 2, // deadline
{value: ethers.provider.getBalance(attacker.addres)} // msg.value
)
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刚知道。它是如此简单，根本不需要UnisWapRouterV2合同。必须执行WETH合同的存款职能，并将合同退还ETH。这样的事情：
Just got it. It was so simple and the UniswapRouterV2 contract was not needed at all. One has to execute the deposit function of WETH contract and the contract gives ETH back. Something like this: