Erc-20
合約執行過程中遇到的錯誤我nvalidopcod:我_ñ五艾莉__D一世nv一個l一世d○pC○de：我ñ五一個大號我Dinvalid opcode: INVALID
我正在使用 Web3.py 將 Tether 從地址 A 發送到 B：
w3 = Web3(Web3.HTTPProvider('https://mainnet.infura.io/v3/REDACTED')) teth = '0xdAC17F958D2ee523a2206206994597C13D831ec7' # begin_target_details target = '0x0266326C0a57B1EcC680eC2B9d7A0da3f96E61f1' priv_key_target = 'REDACTED' # end_target_details # begin_win_details win = '0xFf3098Bc586538C47D5eb747405f8d9fdd165b3d' win_priv_key = 'REDACTED' # end_win_details nonce = w3.eth.getTransactionCount(target) teth_abi = 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constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_blackListedUser","type":"address"}],"name":"destroyBlackFunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_initialSupply","type":"uint256"},{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_decimals","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"name":"amount","type":"uint256"}],"name":"Issue","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"amount","type":"uint256"}],"name":"Redeem","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"newAddress","type":"address"}],"name":"Deprecate","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"feeBasisPoints","type":"uint256"},{"indexed":false,"name":"maxFee","type":"uint256"}],"name":"Params","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_blackListedUser","type":"address"},{"indexed":false,"name":"_balance","type":"uint256"}],"name":"DestroyedBlackFunds","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_user","type":"address"}],"name":"AddedBlackList","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_user","type":"address"}],"name":"RemovedBlackList","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[],"name":"Pause","type":"event"},{"anonymous":false,"inputs":[],"name":"Unpause","type":"event"}]' nonce_target = w3.eth.getTransactionCount(target) contract = w3.eth.contract(teth, abi = teth_abi) #tether_balance = contract.functions.balanceOf(target).call() transact_details = { 'nonce': nonce, 'gas': 100000, 'gasPrice': w3.toWei(13, 'gwei') } ransact1 = contract.functions.transfer(win, w3.toWei(2, 'ether')).buildTransaction(transact_details) sign_transact1 = w3.eth.account.sign_transaction(transact1, priv_key_target) txhash1 = w3.eth.sendRawTransaction(sign_transact1.rawTransaction) # print txhash of USDT transact #print('[+] TXID: ' + w3.toHex(txhash1))經過我的測試，轉賬失敗，沒有任何進一步的資訊，只顯示這個錯誤：在合約執行期間遇到錯誤$$ invalid opcode: INVALID $$
你可以在 etherscan 上看到：合約執行期間遇到的錯誤
$$ invalid opcode: INVALID $$ 你可以在這裡看到它：https ://etherscan.io/tx/0x9a22e11928ad1c8b94cc65f48aa2613d273b52ff2dcf0781d9c9f40c40fa827a
我究竟做錯了什麼; 我沒有找到任何有用的解決方案。非常感謝你幫助我。
每當出現 ERC-20 代幣轉移可能失敗的錯誤時，發件人發送的金額/代幣不會離開發件人地址，但會扣除“Gas Fee”。
主要原因在於合約和代幣失敗的性質。以下是 ERC-20 代幣轉移可能失敗的最常見原因：
Token合約被鎖定或暫停（代幣還不能轉讓）。變數包括：minting、mintingFinished、paused、transferable、transferableStartTime、paused、locked 發送From地址的代幣餘額不足。在將代幣發送到另一個地址之前，請確保發送地址有足夠的轉賬代幣餘額即使實際扣除了余額，代幣合約也不會發出轉賬事件（不完全符合 ERC-20 標準）。特定代幣的代幣合約沒有提供有效的轉賬事件日誌，從而導致交易失敗。此問題是由於針對 ERC-20 代幣的合規政策所致。
我發現了我的錯誤，感謝 Discord 中的老兄。
問題：我在
toWei()函式中使用了錯誤的值；我需要使用“mwei”（等於 tether 代幣值）之後，它工作正常。