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修改ethereum usdt的授权方式，先改为0， 再授权

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This commit is contained in:
CounterFire2023 2024-08-29 14:13:59 +08:00
parent 37089dca15
commit 32d75b4a7c
1 changed files with 11 additions and 1 deletions
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12
src/wallet/BitgetWallet.js
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@ -4,6 +4,7 @@ import { apiPreRecharge } from "./../utils/request.js"
import { switchEthereumChain, queryAllowance } from './utils.js' import { switchEthereumChain, queryAllowance } from './utils.js'
import { FirebaseUtil } from "@/utils/firebase.util"; import { FirebaseUtil } from "@/utils/firebase.util";
const USDT_EHTEREUM = '0xdac17f958d2ee523a2206206994597c13d831ec7'
export class BitgetWallet{ export class BitgetWallet{
constructor() { constructor() {
if (BitgetWallet.instance) { if (BitgetWallet.instance) {
@ -84,10 +85,19 @@ export class BitgetWallet{
let user = data.account_address let user = data.account_address
if (calls.length > 1) { if (calls.length > 1) {
const contractAddress = calls[1].trans_req.to const contractAddress = calls[1].trans_req.to
// get calls[1].data last 32 bytes // get calls[1].data last 32 bytes
const amount = BigInt(parseInt(calls[0].trans_req.data.slice(-64), 16)) const amount = BigInt(parseInt(calls[0].trans_req.data.slice(-64), 16))
let allowance = await queryAllowance(provider, calls[0].trans_req.to, user, contractAddress) 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}) let hash = await this.sendTransaction(provider, {from: user, to: calls[0].trans_req.to, data: calls[0].trans_req.data})
resutls.push(hash) resutls.push(hash)
} }