Question

我遇到了ganache和testRPC的问题，只有在使用web3提供程序时才会出现out of gas错误，但在使用Javascript VM或使用松露javascript测试时则不会出现错误。

我的映射设置如下：

mapping (uint => address) public reservers;
mapping (uint => Reservation) public reservations;

mapping (uint => address) public bidders;
mapping (uint => Bid) public bids;
mapping (uint => uint) public lastSoldFor;

抛出VM Exception while processing transaction: out of gas的方法是：

function sell(uint rId) public {
    reservations[rId].publicKey = bids[rId].publicKey;
    reservers[rId] = bidders[rId];
    lastSoldFor[rId] = bids[rId].price;

    delete bids[rId];
    delete bidders[rId];
}

如果我注释掉它成功运行的两条delete行。但是，如果我使用delete，或者即使我只是重新分配它们，它们也会失败。

当通过Truffle的测试套件运行它时，它可以工作，并且当使用Javascript VM通过Remix手动提交这些操作时，它也可以工作。只有当它连接到testRPC或ganache时才会失败。

其他所有方法似乎都可以从ganache中正常工作，但它似乎只有删除问题。我也看到一些提到这是因为天然气被退还，而且由于这种方法的汽油价格相当低，因此会引起一些古怪的ganache。有没有针对此的解决方法，每次我想要进行更改时都不必将合同上传到测试网络？

编辑：似乎我可以证明这与低气体消耗无关，而是与清除映射指数有关。我在方法中添加了一些大量的气体消耗量，它仍然以相同的气体误差退出。

新状态变量：

uint[] memorysink;

然后在我添加的方法中

memorysink.push(200000000);
memorysink.push(200000000);
memorysink.push(200000000);
memorysink.push(200000000);
memorysink.push(200000000);

将耗气量从43279转移到141513但是它仍然提供了气体错误。

Answer 1

As @AdamKipnis has suggested we can get around the issue using a heightened gasLimit. This isn't currently possible from within Remix itself however specifying an additional 50-100k gasLimit from MetaMask when interacting with that method did indeed solve the problem and provide a work-around for the issue in it's current state. However, this is still just a band-aid and more in-depth tests will be needed to find a proper solution to the core issue.

Remix Web3 Provider：Out of Gas - Ethereum Ganache和TestRPC

1 个答案: