def lb_tranfer(pvkey, toAddr, amount, gasLimit=None, gasPrice=None):
acc = getAccount(pvkey)
if acc:
w3 = getW3()
if gasLimit is None:
gasLimit = 21000
if gasPrice is None:
gasPrice = w3.eth.gasPrice
_from = acc.address
_from_balance = w3.eth.getBalance(_from)
# print('from余额', _from_balance)
param = {
'from': to0x(_from),
'nonce': w3.eth.getTransactionCount(_from),
'gasPrice': int(gasPrice),
'gas': int(gasLimit),
'to': w3.toChecksumAddress(to0x(toAddr)),
'value': amount,
# 'value': w3.toWei(amount, 'ether'),
# data:b'',
}
print('交易参数 ', param)
signed_txn = w3.eth.account.signTransaction(param, pvkey)
hash_tx = w3.eth.sendRawTransaction(signed_txn.rawTransaction).hex()
print('交易哈希 ', hash_tx)
return hash_tx
return None
def token_balance(cttAddr, address):
address = to0x(address)
cttAddr = to0x(cttAddr)
contract = getContract(cttAddr)
w3 = getW3()
address = w3.toChecksumAddress(address)
balance = contract.functions.balanceOf(address).call()
if balance is None:
return 0
return balance
def token_tranfer(cttAddr,
pvkey,
toAddr,
tokenAmt,
gasLimit=None,
gasPrice=None,
nonce=None):
cttAddr = to0x(cttAddr)
c = getContract(cttAddr)
w3 = getW3()
acc = getAccount(pvkey)
if c is None:
return None
if nonce is None:
nonce = w3.eth.getTransactionCount(acc.address),
if gasLimit is None:
gasLimit = 80000
if gasPrice is None:
gasPrice = w3.eth.gasPrice
if acc and tokenAmt > 0:
fromAddr = w3.toChecksumAddress(to0x(acc.address))
toAddr = w3.toChecksumAddress(to0x(toAddr))
param = {
'from': fromAddr,
'value': 0,
'gas': int(gasLimit),
'gasPrice': int(gasPrice),
'nonce': int(nonce[0]),
# 'chainId': 1,
}
# print('toAddr', toAddr)
# print('tokenAmt', tokenAmt)
# print('TOKEN 交易参数 ', param)
unicorn_txn = c.functions.transfer(toAddr,
tokenAmt).buildTransaction(param)
signed_txn = w3.eth.account.signTransaction(unicorn_txn,
private_key=acc.privateKey)
hash_tx = w3.eth.sendRawTransaction(signed_txn.rawTransaction).hex()
# print('TOKEN 交易哈希 ', hash_tx)
return hash_tx
return None
def lb_balance(address):
w3 = getW3()
address = w3.toChecksumAddress(to0x(address))
ac_balance = w3.eth.getBalance(address)
if ac_balance is None:
return 0
return ac_balance
def token_transList(cttAddr, num=10):
url = '{}/api/contract_orderList?page=1&nums={}&str={}'.format(
blockUrl, num, to0x(cttAddr))
response = requests.get(url)
if response.status_code != 200:
return None
data = response.json()
return data['data'], data['nums']
def decimals(cttAddr):
contract = getContract(to0x(cttAddr))
return contract.functions.decimals().call()
def totalSupply(cttAddr):
contract = getContract(to0x(cttAddr))
return contract.functions.totalSupply().call()
def symbol(cttAddr):
contract = getContract(to0x(cttAddr))
return contract.functions.symbol().call()
def name(cttAddr):
contract = getContract(to0x(cttAddr))
return contract.functions.name().call()