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vassilyvv/gist:bb70833bf546a5bfbd586f1aaf29b30d

Created July 11, 2021 10:25
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Send ERC20 Token with python
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gistfile1.txt
from web3 import Web3
# or local url
INFURA_URL = "https://mainnet.infura.io/v3/<some_id>"
PRIVATE_KEY = b'<32 characters>'
web3 = Web3(Web3.HTTPProvider(INFURA_URL))
print(web3.isConnected())
my_account = web3.eth.account.privateKeyToAccount(PRIVATE_KEY)
receiver_address = "0x49E90a077d0d26D16675C80C6b8cCb5EA872a83D"
token_abi = [
{"constant": True, "inputs": [], "name": "name", "outputs": [{"name": "", "type": "string"}], "payable": False,
"stateMutability": "view", "type": "function"},
{"constant": False, "inputs": [{"name": "_upgradedAddress", "type": "address"}], "name": "deprecate", "outputs": [],
"payable": False, "stateMutability": "nonpayable", "type": "function"},
{"constant": False, "inputs": [{"name": "_spender", "type": "address"}, {"name": "_value", "type": "uint256"}],
"name": "approve", "outputs": [], "payable": False, "stateMutability": "nonpayable", "type": "function"},
{"constant": True, "inputs": [], "name": "deprecated", "outputs": [{"name": "", "type": "bool"}], "payable": False,
"stateMutability": "view", "type": "function"},
{"constant": False, "inputs": [{"name": "_evilUser", "type": "address"}], "name": "addBlackList", "outputs": [],
"payable": False, "stateMutability": "nonpayable", "type": "function"},
{"constant": True, "inputs": [], "name": "totalSupply", "outputs": [{"name": "", "type": "uint256"}],
"payable": False, "stateMutability": "view", "type": "function"}, {"constant": False,
"inputs": [{"name": "_from", "type": "address"},
{"name": "_to", "type": "address"},
{"name": "_value",
"type": "uint256"}],
"name": "transferFrom", "outputs": [],
"payable": False,
"stateMutability": "nonpayable",
"type": "function"},
{"constant": True, "inputs": [], "name": "upgradedAddress", "outputs": [{"name": "", "type": "address"}],
"payable": False, "stateMutability": "view", "type": "function"},
{"constant": True, "inputs": [{"name": "", "type": "address"}], "name": "balances",
"outputs": [{"name": "", "type": "uint256"}], "payable": False, "stateMutability": "view", "type": "function"},
{"constant": True, "inputs": [], "name": "decimals", "outputs": [{"name": "", "type": "uint256"}], "payable": False,
"stateMutability": "view", "type": "function"},
{"constant": True, "inputs": [], "name": "maximumFee", "outputs": [{"name": "", "type": "uint256"}],
"payable": False, "stateMutability": "view", "type": "function"},
{"constant": True, "inputs": [], "name": "_totalSupply", "outputs": [{"name": "", "type": "uint256"}],
"payable": False, "stateMutability": "view", "type": "function"},
{"constant": False, "inputs": [], "name": "unpause", "outputs": [], "payable": False,
"stateMutability": "nonpayable", "type": "function"},
{"constant": True, "inputs": [{"name": "_maker", "type": "address"}], "name": "getBlackListStatus",
"outputs": [{"name": "", "type": "bool"}], "payable": False, "stateMutability": "view", "type": "function"},
{"constant": True, "inputs": [{"name": "", "type": "address"}, {"name": "", "type": "address"}], "name": "allowed",
"outputs": [{"name": "", "type": "uint256"}], "payable": False, "stateMutability": "view", "type": "function"},
{"constant": True, "inputs": [], "name": "paused", "outputs": [{"name": "", "type": "bool"}], "payable": False,
"stateMutability": "view", "type": "function"},
{"constant": True, "inputs": [{"name": "who", "type": "address"}], "name": "balanceOf",
"outputs": [{"name": "", "type": "uint256"}], "payable": False, "stateMutability": "view", "type": "function"},
{"constant": False, "inputs": [], "name": "pause", "outputs": [], "payable": False, "stateMutability": "nonpayable",
"type": "function"},
{"constant": True, "inputs": [], "name": "getOwner", "outputs": [{"name": "", "type": "address"}], "payable": False,
"stateMutability": "view", "type": "function"},
{"constant": True, "inputs": [], "name": "owner", "outputs": [{"name": "", "type": "address"}], "payable": False,
"stateMutability": "view", "type": "function"},
{"constant": True, "inputs": [], "name": "symbol", "outputs": [{"name": "", "type": "string"}], "payable": False,
"stateMutability": "view", "type": "function"},
{"constant": False, "inputs": [{"name": "_to", "type": "address"}, {"name": "_value", "type": "uint256"}],
"name": "transfer", "outputs": [], "payable": False, "stateMutability": "nonpayable", "type": "function"},
{"constant": False,
"inputs": [{"name": "newBasisPoints", "type": "uint256"}, {"name": "newMaxFee", "type": "uint256"}],
"name": "setParams", "outputs": [], "payable": False, "stateMutability": "nonpayable", "type": "function"},
{"constant": False, "inputs": [{"name": "amount", "type": "uint256"}], "name": "issue", "outputs": [],
"payable": False, "stateMutability": "nonpayable", "type": "function"},
{"constant": False, "inputs": [{"name": "amount", "type": "uint256"}], "name": "redeem", "outputs": [],
"payable": False, "stateMutability": "nonpayable", "type": "function"},
{"constant": True, "inputs": [{"name": "_owner", "type": "address"}, {"name": "_spender", "type": "address"}],
"name": "allowance", "outputs": [{"name": "remaining", "type": "uint256"}], "payable": False,
"stateMutability": "view", "type": "function"},
{"constant": True, "inputs": [], "name": "basisPointsRate", "outputs": [{"name": "", "type": "uint256"}],
"payable": False, "stateMutability": "view", "type": "function"},
{"constant": True, "inputs": [{"name": "", "type": "address"}], "name": "isBlackListed",
"outputs": [{"name": "", "type": "bool"}], "payable": False, "stateMutability": "view", "type": "function"},
{"constant": False, "inputs": [{"name": "_clearedUser", "type": "address"}], "name": "removeBlackList",
"outputs": [], "payable": False, "stateMutability": "nonpayable", "type": "function"},
{"constant": True, "inputs": [], "name": "MAX_UINT", "outputs": [{"name": "", "type": "uint256"}], "payable": False,
"stateMutability": "view", "type": "function"},
{"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"}]
contract_address = "0xdAC17F958D2ee523a2206206994597C13D831ec7"
contract = web3.eth.contract(contract_address, abi=token_abi)
print(f"My balance: {contract.functions.balanceOf(my_account.address).call()}")
print(f"Receiver balance: {contract.functions.balanceOf(receiver_address).call()}")
raw_txn = {
"from": my_account.address,
"gasPrice": web3.eth.gasPrice,
"gas": 200000,
"to": contract_address,
"value": "0x0",
"data": contract.encodeABI('transfer', args=(receiver_address, 1234567)),
"nonce": web3.eth.getTransactionCount(my_account.address)
}
signed_txn = web3.eth.account.signTransaction(raw_txn, PRIVATE_KEY)
web3.eth.sendRawTransaction(signed_txn.rawTransaction)
print(f"My balance: {contract.functions.balanceOf(my_account.address).call()}")
print(f"Receiver balance: {contract.functions.balanceOf(receiver_address).call()}")
@auden-rovellequartz
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line 9: Please try is_connected() instead of isConnected(). This may have been changed in Web3 6.0 release to conform with Python coding conventions ( source: https://stackoverflow.com/questions/75765117/web3-object-has-no-attribute-isconnected ).

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