def test_spend_p2sh_utxos(setup_tx_creation):
#make a multisig address from 3 privs
privs = [chr(x) * 32 + '\x01' for x in range(1, 4)]
pubs = [
bitcoin.privkey_to_pubkey(binascii.hexlify(priv)) for priv in privs
]
script = bitcoin.mk_multisig_script(pubs, 2)
msig_addr = bitcoin.scriptaddr(script, magicbyte=196)
#pay into it
wallet = make_wallets(1, [[2, 0, 0, 0, 1]], 3)[0]['wallet']
sync_wallet(wallet)
amount = 350000000
ins_full = wallet.select_utxos(0, amount)
txid = make_sign_and_push(ins_full, wallet, amount, output_addr=msig_addr)
assert txid
#wait for mining
time.sleep(1)
#spend out; the input can be constructed from the txid of previous
msig_in = txid + ":0"
ins = [msig_in]
#random output address and change addr
output_addr = wallet.get_new_addr(1, 1)
amount2 = amount - 50000
outs = [{'value': amount2, 'address': output_addr}]
tx = bitcoin.mktx(ins, outs)
sigs = []
for priv in privs[:2]:
sigs.append(bitcoin.multisign(tx, 0, script, binascii.hexlify(priv)))
tx = bitcoin.apply_multisignatures(tx, 0, script, sigs)
txid = jm_single().bc_interface.pushtx(tx)
assert txid
def test_spend_p2wsh(setup_tx_creation):
#make 2 x 2 of 2multisig outputs; will need 4 privs
privs = [struct.pack(b'B', x) * 32 + b'\x01' for x in range(1, 5)]
privs = [binascii.hexlify(priv).decode('ascii') for priv in privs]
pubs = [bitcoin.privkey_to_pubkey(priv) for priv in privs]
redeemScripts = [
bitcoin.mk_multisig_script(pubs[i:i + 2], 2) for i in [0, 2]
]
scriptPubKeys = [
bitcoin.pubkeys_to_p2wsh_script(pubs[i:i + 2]) for i in [0, 2]
]
addresses = [
bitcoin.pubkeys_to_p2wsh_address(pubs[i:i + 2]) for i in [0, 2]
]
#pay into it
wallet_service = make_wallets(1, [[3, 0, 0, 0, 0]], 3)[0]['wallet']
wallet_service.sync_wallet(fast=True)
amount = 35000000
p2wsh_ins = []
for addr in addresses:
ins_full = wallet_service.select_utxos(0, amount)
txid = make_sign_and_push(ins_full,
wallet_service,
amount,
output_addr=addr)
assert txid
p2wsh_ins.append(txid + ":0")
#wait for mining
time.sleep(1)
#random output address and change addr
output_addr = wallet_service.get_internal_addr(1)
amount2 = amount * 2 - 50000
outs = [{'value': amount2, 'address': output_addr}]
tx = bitcoin.mktx(p2wsh_ins, outs)
sigs = []
for i in range(2):
sigs = []
for priv in privs[i * 2:i * 2 + 2]:
# sign input j with each of 2 keys
sig = bitcoin.multisign(tx,
i,
redeemScripts[i],
priv,
amount=amount)
sigs.append(sig)
# check that verify_tx_input correctly validates;
assert bitcoin.verify_tx_input(tx,
i,
scriptPubKeys[i],
sig,
bitcoin.privkey_to_pubkey(priv),
scriptCode=redeemScripts[i],
amount=amount)
tx = bitcoin.apply_p2wsh_multisignatures(tx, i, redeemScripts[i], sigs)
txid = jm_single().bc_interface.pushtx(tx)
assert txid