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 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 newAccount():
w3 = getW3()
acc = w3.eth.account.create()
if acc is None:
return None
address = toLb(acc.address)
return {'address': address, 'privateKey': acc.key.hex()}
def transferToken():
cttAddr = request.form.get('cttAddr')
_privKey = request.form.get('private_key')
_to = request.form.get('to_address')
_amount = request.form.get('amount')
_gasLimit = request.form.get('gas_limit')
_gasPrice = request.form.get('gas_price')
try:
w3 = getW3()
_amount = w3.toWei(_amount, 'ether')
if _amount <= 0:
raise Exception('转账金额需大于0')
_txn = token_tranfer(cttAddr, _privKey, _to, _amount, _gasLimit,
_gasPrice)
# print(_txn)
return jsonify({"data": _txn, "code": 200, "msg": "TOKEN交易成功"})
except Exception as e:
param = {
'cttAddr': cttAddr,
'_privKey': _privKey,
'_to': _to,
'_amount': _amount,
'_gasLimit': _gasLimit,
'_gasPrice': _gasPrice
}
logger.debug('transferToken 交易参数：%s' % param)
logger.debug('transferToken 交易失败：%s' % (e))
return jsonify({"data": None, "code": 500, "msg": str(e)})
def transfer():
# _from = request.form.get('from_address')
_privKey = request.form.get('private_key')
_to = request.form.get('to_address')
_amount = request.form.get('amount')
_gasLimit = request.form.get('gas_limit')
_gasPrice = request.form.get('gas_price')
try:
w3 = getW3()
_amount = w3.toWei(_amount, 'ether')
if _amount <= 0:
raise Exception('转账金额需大于0')
txn = lb_tranfer(_privKey, _to, _amount, _gasLimit, _gasPrice)
return jsonify({"data": txn, "code": 200, "msg": "LB交易成功"})
except Exception as e:
param = {
'_privKey': _privKey,
'_to': _to,
'_amount': _amount,
'_gasLimit': _gasLimit,
'_gasPrice': _gasPrice
}
logger.debug('transfer 交易参数：%s' % param)
logger.debug('transfer 交易失败：%s' % (e))
return jsonify({"data": None, "code": 500, "msg": str(e)})
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 getTransByHash(tx):
w3 = getW3()
tx = w3.eth.getTransactionReceipt(tx)
return tx
headers = {
'User-Agent':
'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36',
'Accept': 'application/json, text/plain, */*'
}
r = requests.get(
'http://47.52.110.153:8080/api/contract_orderList_info?&str={}'.format(
tx),
headers=headers)
if r.status_code != 200:
return None
data = r.json()
if data['code'] == '-1':
return None
data['data']['from'] = toLb(data['data']['from'])
data['data']['to'] = toLb(data['data']['to'])
return data
def getLbNet():
w3 = getW3()
return w3.net
def getLbGas():
w3 = getW3()
return w3.eth.gasPrice