From 32d75b4a7cdc0fe90fa02fc1cdc49bda487e680f Mon Sep 17 00:00:00 2001
From: CounterFire2023 <136581895+CounterFire2023@users.noreply.github.com>
Date: Thu, 29 Aug 2024 14:13:59 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9ethereum=20usdt=E7=9A=84?=
 =?UTF-8?q?=E6=8E=88=E6=9D=83=E6=96=B9=E5=BC=8F=EF=BC=8C=E5=85=88=E6=94=B9?=
 =?UTF-8?q?=E4=B8=BA0=EF=BC=8C=20=E5=86=8D=E6=8E=88=E6=9D=83?=
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---
 src/wallet/BitgetWallet.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/wallet/BitgetWallet.js b/src/wallet/BitgetWallet.js
index b2998e2..b31f014 100644
--- a/src/wallet/BitgetWallet.js
+++ b/src/wallet/BitgetWallet.js
@@ -4,6 +4,7 @@ import { apiPreRecharge } from "./../utils/request.js"
 import { switchEthereumChain, queryAllowance } from './utils.js'
 import { FirebaseUtil } from "@/utils/firebase.util";
 
+const USDT_EHTEREUM = '0xdac17f958d2ee523a2206206994597c13d831ec7'
 export class BitgetWallet{
   constructor() {
     if (BitgetWallet.instance) {
@@ -84,10 +85,19 @@ export class BitgetWallet{
     let user = data.account_address
     if (calls.length > 1) {
       const contractAddress = calls[1].trans_req.to
+
       // get calls[1].data last 32 bytes
       const amount = BigInt(parseInt(calls[0].trans_req.data.slice(-64), 16))
       let allowance = await queryAllowance(provider, calls[0].trans_req.to, user, contractAddress)
-      if (allowance < amount) {
+      if (calls[0].trans_req.to.toLowerCase() == USDT_EHTEREUM && allowance != amount) {
+        if (allowance != BigInt(0)) {
+          // replace calls[0].trans_req.data last 32 bytes to 0
+          let data = calls[0].trans_req.data.slice(0, -64) + '0'.repeat(64)
+          await this.sendTransaction(provider, {from: user, to: calls[0].trans_req.to, data})
+        }
+        let hash = await this.sendTransaction(provider, {from: user, to: calls[0].trans_req.to, data: calls[0].trans_req.data})
+        resutls.push(hash)
+      } else if (allowance < amount) {
         let hash = await this.sendTransaction(provider, {from: user, to: calls[0].trans_req.to, data: calls[0].trans_req.data})
         resutls.push(hash)
       }