【确认以太坊转账hash是否成功的唯一依据】Receipts收据中的status字段的判断且token转账的event log字段进行分析，才能正确的判断一笔token转账是否真实成功

我会带着你远行 2021-08-19 13:58 653阅读 0赞

以太坊最新漏洞首发！重大发现！以太坊Token转账有效性标识字段的含义调整或将引发新一轮对交易站的攻击！

参考：[https://www.douban.com/group/topic/125523381/][https_www.douban.com_group_topic_125523381]

**hash失败案例参考**：[https://blog.csdn.net/weixin\_43343144/article/details/101052060][https_blog.csdn.net_weixin_43343144_article_details_101052060]

国外以太坊参考：[https://ethereum.stackexchange.com/questions/28077/how-do-i-detect-a-failed-transaction-after-the-byzantium-fork-as-the-revert-opco][https_ethereum.stackexchange.com_questions_28077_how-do-i-detect-a-failed-transaction-after-the-byzantium-fork-as-the-revert-opco]

// 等待hash交易完成最终写入区块返回收据【唯一确保交易100%完成的凭据】
        waitForTransactionFinish (transactionHash, successFunc = null, failFunc = null) {
            return Utils.tryCatchGlobalPromise(async (resolve, reject) => {
                // ethers.js库官方说明：waitForTransaction等价于provider.once(transactionHash,callbackFunc)仅一次监听！
                // 【非常重要】这里不能使用await调用【必须异步执行,同步的话会出现无限期等待的情况】
                return this.active_wallet.provider.waitForTransaction(transactionHash).then((transactionReceipt) => {
                    // 以太坊交易成功的唯一判断依据：status为1,牵涉到转账的话logs数组一定是有event事件日志数据
                    console.log("监听当前hash挖掘的收据交易状态【为1代表交易成功、为0代表交易失败】transactionReceipt.status：", transactionReceipt.status);
                    console.log("监听当前hash挖掘的收据交易event事件日志transactionReceipt.logs：", transactionReceipt.logs);
                    if (transactionReceipt.status === 1 && transactionReceipt.logs.length !== 0) {
                        Utils.isFunction(successFunc) ? successFunc(transactionReceipt) : null;
                        return resolve(transactionReceipt);
                    }
                    Utils.isFunction(failFunc) ? failFunc() : null;
                    return resolve(null);
                }).catch((error) => {
                    console.log(`监听的当前hash：${transactionHash}失败,错误error：${error}`);
                    console.log("注意：本次hash挖掘失败,不会更新任何数据,下一轮会再次监听此hash,知道hash交易成功得到收据凭证transactionReceipt");
                    return resolve(null);
                });
            });
        }

[https_www.douban.com_group_topic_125523381]: https://www.douban.com/group/topic/125523381/
[https_blog.csdn.net_weixin_43343144_article_details_101052060]: https://blog.csdn.net/weixin_43343144/article/details/101052060
[https_ethereum.stackexchange.com_questions_28077_how-do-i-detect-a-failed-transaction-after-the-byzantium-fork-as-the-revert-opco]: https://ethereum.stackexchange.com/questions/28077/how-do-i-detect-a-failed-transaction-after-the-byzantium-fork-as-the-revert-opco