def _find_payment(self, msg, txid, txtype):
""" search ix/tx for transaction matching current address """
addr = None
value = 0
refund = 0
for vout in msg.tx.vout:
try:
addr = str(P2PKHBitcoinAddress.from_scriptPubKey(vout.scriptPubKey))
except CBitcoinAddressError:
continue
if addr == self.current_address:
value = int(vout.nValue)
break
# current address received something
if addr and value:
# calculate under/overpay refund
if value < self.vend.cost:
refund = AmountToJSON(value)
elif value > self.vend.cost:
refund = AmountToJSON(value - self.vend.cost)
if txid not in self.mempool:
self.mempool[txid] = {}
# set transaction type, tx refund
self.mempool[txid][txtype] = True
if txtype == "tx":
tx = self.mempool[txid]["processed"]
tx["refund"] = AmountToJSON(tx["value"])
self.mempool[txid]["processed"] = {
"addr": addr,
"value": value,
"refund": refund,
"sale": (value >= self.vend.cost and True or False),
}
self.vend.get_next_address(increment=True)
return True
def _find_payment(self, msg, txid, txtype):
""" search ix/tx for transaction matching current address """
addr = None
value = 0
refund = 0
for vout in msg.tx.vout:
try:
addr = str(
P2PKHBitcoinAddress.from_scriptPubKey(vout.scriptPubKey))
except CBitcoinAddressError:
continue
if addr == self.current_address:
value = int(vout.nValue)
break
# current address received something
if addr and value:
# calculate under/overpay refund
if value < self.vend.cost:
refund = AmountToJSON(value)
elif value > self.vend.cost:
refund = AmountToJSON(value - self.vend.cost)
if txid not in self.mempool:
self.mempool[txid] = {}
# set transaction type, tx refund
self.mempool[txid][txtype] = True
if txtype == 'tx':
tx = self.mempool[txid]['processed']
tx['refund'] = AmountToJSON(tx['value'])
self.mempool[txid]['processed'] = {
"addr": addr,
"value": value,
"refund": refund,
"sale": (value >= self.vend.cost and True or False)
}
self.vend.get_next_address(increment=True)
return True
utxos = rpc_connection.listunspent()
inputs = []
input_value = Decimal(0)
for utxo in utxos:
if input_value < price + fee:
inputs.append({"txid": utxo["txid"], "vout": utxo["vout"]})
input_value += utxo["amount"]
else:
break
# Create outputs
my_addr = utxo["address"]
change = input_value - price - fee
p2pkh = payment_details.outputs[0].script
# op_return = payment_details.outputs[1].script[2:].hex()
payment_addr = str(P2PKHBitcoinAddress.from_scriptPubKey(p2pkh))
outputs = [
{
payment_addr: price # Payment output
},
# {
# "data": op_return
# },
{
my_addr: change # Change output
}
]
# Create tx
raw_tx_unsigned = rpc_connection.createrawtransaction(inputs, outputs)
signed_raw_tx = bytes.fromhex(
#!/usr/bin/env python3
import bitcoin
from bitcoin.wallet import CBitcoinSecret, P2PKHBitcoinAddress
bitcoin.SelectParams('testnet')
priv_key = 'cUHmPhwxCZN22yJP3orG1pgVSYrNcZtTB3KZMpPHXqyDnfFmzSF4'
secret = CBitcoinSecret(priv_key)
public_key = secret.pub
p2pkh_address = P2PKHBitcoinAddress.from_pubkey(public_key)
scriptPubKey = p2pkh_address.to_scriptPubKey()
p2pkh_address2 = P2PKHBitcoinAddress.from_scriptPubKey(scriptPubKey)
print('P2PKH address based on public key: %s' % p2pkh_address)
print('P2PKH address based on scriptPubKey: %s' % p2pkh_address2)