def test_p2pkh_input(self):
outpoint = simple.outpoint(
tx_id=helpers.P2PKH['human']['ins'][0]['hash'],
index=helpers.P2PKH['human']['ins'][0]['index'])
self.assertEqual(
simple.p2pkh_input(
outpoint=outpoint,
sig=helpers.P2PKH['human']['ins'][0]['signature'],
pubkey=helpers.P2PKH['human']['ins'][0]['pubkey'],
), helpers.P2PKH['ser']['ins'][0]['input'])
def test_legacy_tx(self):
outpoint = simple.outpoint(
tx_id=helpers.P2PKH['human']['ins'][0]['hash'],
index=helpers.P2PKH['human']['ins'][0]['index'])
tx_in = simple.p2pkh_input(
outpoint=outpoint,
sig=helpers.P2PKH['human']['ins'][0]['signature'],
pubkey=helpers.P2PKH['human']['ins'][0]['pubkey'],
sequence=helpers.P2PKH['human']['ins'][0]['sequence'])
tx_out = simple.output(helpers.P2PKH['human']['outs'][0]['value'],
helpers.P2PKH['human']['outs'][0]['addr'])
tx_return_output = txn.make_op_return_output(
helpers.P2PKH['human']['outs'][1]['memo'])
tx = simple.legacy_tx([tx_in], [tx_out, tx_return_output])
self.assertEqual(tx, helpers.P2PKH['ser']['tx']['signed'])
unsigned_tx = simple.unsigned_legacy_tx(
tx_ins=[sender_input],
tx_outs=[sender_output, op_return_output],
version=version,
lock_time=locktime)
sighash_all = 0x01
sighash = unsigned_tx.sighash_all(
index=0,
script=addr.to_output_script(sender_addr))
# Using instance of CKey from python-bitcoinlib to sign:
# sig = sender.sign(sighash) + bytes([sighash_all])
# sig = sig.hex()
sig = '30450221009e8c7f85d6491169df139f25d26633efe48e98738331a37a1694d655dccebdbd02201a6444cfb364e91279f8c9a8b09cdbdeb4bf6cc0f00f53b9356f852c3b3151dc01' # noqa: E501
signed_input = simple.p2pkh_input(
outpoint=sender_outpoint,
sig=sig,
pubkey=sender_pubkey,
sequence=sequence)
tx_signed = unsigned_tx.copy(tx_ins=[signed_input])
print('tx_signed')
print(tx_signed.hex())
print()
print(tx_signed.tx_id.hex())
print()
print(tx_signed.tx_id_le.hex())
print()
# Generate Signed Tx
# https://blockchain.info/tx/1e7acd3d4715054c8fb0fdea25c5c704986006d2c6f30b0782e9b36a7ee072ef
# With the p2pkh output script from address, create the the sighash to be signed
sighash = tx.sighash_all(index=0, script=addresses.to_output_script(address))
# Declare SIGHASH_ALL type
SIGHASH_ALL = 0x01
# Sign the tx with private key
# Assumes private_key is of type class bitcoin.wallet.CKey from python-bitcoinlib
sig = private_key.sign(sighash) + bytes([SIGHASH_ALL])
# Recreate tx input with script signature
tx_signed_input = simple.p2pkh_input(outpoint=tx_outpoint,
sig=sig.hex(),
pubkey=public_key,
sequence=0xFFFFFFFE)
# Recreate tx with the signed tx input
tx_signed = tx.copy(tx_ins=[tx_signed_input])
tx_signed_hex = tx_signed.hex()
print(tx_signed_hex)
# Transaction hash
tx_hash = tx_signed.tx_id.hex()
# Resources to decode transaction (tx_signed_hex)
# https://blockchain.info/decode-tx
# https://live.blockcypher.com/btc/decodetx/
# Resources to broadcast transaction (tx_signed_hex)