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test_wallet.py
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from bitcoin.rpc import JSONRPCError
from decimal import Decimal
from fixtures import * # noqa: F401,F403
from fixtures import TEST_NETWORK
from pyln.client import RpcError, Millisatoshi
from utils import (
only_one, wait_for, sync_blockheight, EXPERIMENTAL_FEATURES,
VALGRIND, check_coin_moves, TailableProc, scriptpubkey_addr,
check_utxos_channel
)
import os
import pytest
import subprocess
import time
import unittest
WAIT_TIMEOUT = 60 # Wait timeout for processes
# Errors codes
HSM_GENERIC_ERROR = 20
HSM_ERROR_IS_ENCRYPT = 21
HSM_BAD_PASSWORD = 22
@unittest.skipIf(TEST_NETWORK != 'regtest', "Test relies on a number of example addresses valid only in regtest")
def test_withdraw(node_factory, bitcoind):
amount = 1000000
# Don't get any funds from previous runs.
l1 = node_factory.get_node(random_hsm=True)
l2 = node_factory.get_node(random_hsm=True)
addr = l1.rpc.newaddr()['bech32']
# Add some funds to withdraw later
for i in range(10):
l1.bitcoin.rpc.sendtoaddress(addr, amount / 10**8 + 0.01)
bitcoind.generate_block(1)
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == 10)
# Reach around into the db to check that outputs were added
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=0')[0]['c'] == 10
waddr = l1.bitcoin.rpc.getnewaddress()
# Now attempt to withdraw some (making sure we collect multiple inputs)
# These violate schemas!
l1.rpc.check_request_schemas = False
with pytest.raises(RpcError):
l1.rpc.withdraw('not an address', amount)
with pytest.raises(RpcError):
l1.rpc.withdraw(waddr, 'not an amount')
with pytest.raises(RpcError):
l1.rpc.withdraw(waddr, -amount)
with pytest.raises(RpcError, match=r'Could not afford'):
l1.rpc.withdraw(waddr, amount * 100)
l1.rpc.check_request_schemas = True
out = l1.rpc.withdraw(waddr, 2 * amount)
# Make sure bitcoind received the withdrawal
unspent = l1.bitcoin.rpc.listunspent(0)
withdrawal = [u for u in unspent if u['txid'] == out['txid']]
assert(withdrawal[0]['amount'] == Decimal('0.02'))
l1.bitcoin.generate_block(1)
sync_blockheight(l1.bitcoin, [l1])
# Check that there are no unconfirmed outputs (change should be confirmed)
for o in l1.rpc.listfunds()['outputs']:
assert o['status'] == 'confirmed'
# Now make sure two of them were marked as spent
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=2')[0]['c'] == 2
# Now send some money to l2.
# lightningd uses P2SH-P2WPKH
waddr = l2.rpc.newaddr('bech32')['bech32']
l1.rpc.withdraw(waddr, 2 * amount)
# Now make sure an additional two of them were marked as reserved
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=2')[0]['c'] == 2
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=1')[0]['c'] == 2
# They're turned into spent once the node sees them mined.
bitcoind.generate_block(1)
sync_blockheight(l1.bitcoin, [l1, l2])
# Make sure l2 received the withdrawal.
assert len(l2.rpc.listfunds()['outputs']) == 1
outputs = l2.db_query('SELECT value FROM outputs WHERE status=0;')
assert only_one(outputs)['value'] == 2 * amount
# Now make sure an additional two of them were marked as spent
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=2')[0]['c'] == 4
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=1')[0]['c'] == 0
# Simple test for withdrawal to P2WPKH
# Address from: https://bc-2.jp/tools/bech32demo/index.html
waddr = 'bcrt1qw508d6qejxtdg4y5r3zarvary0c5xw7kygt080'
with pytest.raises(RpcError):
l1.rpc.withdraw('xx1qw508d6qejxtdg4y5r3zarvary0c5xw7kxpjzsx', 2 * amount)
with pytest.raises(RpcError):
l1.rpc.withdraw('tb1pw508d6qejxtdg4y5r3zarvary0c5xw7kdl9fad', 2 * amount)
with pytest.raises(RpcError):
l1.rpc.withdraw('tb1qw508d6qejxtdg4y5r3zarvary0c5xw7kxxxxxx', 2 * amount)
l1.rpc.withdraw(waddr, 2 * amount)
bitcoind.generate_block(1)
sync_blockheight(l1.bitcoin, [l1])
# Now make sure additional two of them were marked as spent
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=2')[0]['c'] == 6
# Simple test for withdrawal to P2WSH
# Address from: https://bc-2.jp/tools/bech32demo/index.html
waddr = 'bcrt1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qzf4jry'
with pytest.raises(RpcError):
l1.rpc.withdraw('xx1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sl5k7', 2 * amount)
with pytest.raises(RpcError):
l1.rpc.withdraw('tb1prp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qsm03tq', 2 * amount)
with pytest.raises(RpcError):
l1.rpc.withdraw('tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qxxxxxx', 2 * amount)
l1.rpc.withdraw(waddr, 2 * amount)
bitcoind.generate_block(1)
sync_blockheight(l1.bitcoin, [l1])
# Now make sure additional two of them were marked as spent
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=2')[0]['c'] == 8
# failure testing for invalid SegWit addresses, from BIP173
# HRP character out of range
with pytest.raises(RpcError):
l1.rpc.withdraw(' 1nwldj5', 2 * amount)
# overall max length exceeded
with pytest.raises(RpcError):
l1.rpc.withdraw('an84characterslonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio1569pvx', 2 * amount)
# No separator character
with pytest.raises(RpcError):
l1.rpc.withdraw('pzry9x0s0muk', 2 * amount)
# Empty HRP
with pytest.raises(RpcError):
l1.rpc.withdraw('1pzry9x0s0muk', 2 * amount)
# Invalid witness version
with pytest.raises(RpcError):
l1.rpc.withdraw('BC13W508D6QEJXTDG4Y5R3ZARVARY0C5XW7KN40WF2', 2 * amount)
# Invalid program length for witness version 0 (per BIP141)
with pytest.raises(RpcError):
l1.rpc.withdraw('BC1QR508D6QEJXTDG4Y5R3ZARVARYV98GJ9P', 2 * amount)
# Mixed case
with pytest.raises(RpcError):
l1.rpc.withdraw('tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sL5k7', 2 * amount)
# Non-zero padding in 8-to-5 conversion
with pytest.raises(RpcError):
l1.rpc.withdraw('tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3pjxtptv', 2 * amount)
# Should have 6 outputs available.
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=0')[0]['c'] == 6
# Test withdrawal to self.
l1.rpc.withdraw(l1.rpc.newaddr('bech32')['bech32'], 'all', minconf=0)
bitcoind.generate_block(1)
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=0')[0]['c'] == 1
l1.rpc.withdraw(waddr, 'all', minconf=0)
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=0')[0]['c'] == 0
# This should fail, can't even afford fee.
with pytest.raises(RpcError, match=r'Could not afford'):
l1.rpc.withdraw(waddr, 'all')
# Add some funds to withdraw
for i in range(12):
l1.bitcoin.rpc.sendtoaddress(addr, amount / 10**8 + 0.01)
bitcoind.generate_block(1)
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == 12)
# Try passing in a utxo set
utxos = [utxo["txid"] + ":" + str(utxo["output"]) for utxo in l1.rpc.listfunds()["outputs"]][:4]
withdrawal = l1.rpc.withdraw(waddr, 2 * amount, utxos=utxos)
decode = bitcoind.rpc.decoderawtransaction(withdrawal['tx'])
assert decode['txid'] == withdrawal['txid']
# Check that correct utxos are included
assert len(decode['vin']) == 4
vins = ["{}:{}".format(v['txid'], v['vout']) for v in decode['vin']]
for utxo in utxos:
assert utxo in vins
# Try passing unconfirmed utxos
unconfirmed_utxos = [l1.rpc.withdraw(l1.rpc.newaddr()["bech32"], 10**5)
for _ in range(5)]
uutxos = [u["txid"] + ":0" for u in unconfirmed_utxos]
l1.rpc.withdraw(waddr, "all", minconf=0, utxos=uutxos)
# Try passing minimum feerates (for relay)
l1.rpc.withdraw(l1.rpc.newaddr()["bech32"], 10**5, feerate="253perkw")
l1.rpc.withdraw(l1.rpc.newaddr()["bech32"], 10**5, feerate="1000perkb")
def test_minconf_withdraw(node_factory, bitcoind):
"""Issue 2518: ensure that ridiculous confirmation levels don't overflow
The number of confirmations is used to compute a maximum height that is to
be accepted. If the current height is smaller than the number of
confirmations we wrap around and just select everything. The fix is to
clamp the maxheight parameter to a positive small number.
"""
amount = 1000000
# Don't get any funds from previous runs.
l1 = node_factory.get_node(random_hsm=True)
addr = l1.rpc.newaddr()['bech32']
# Add some funds to withdraw later
for i in range(10):
l1.bitcoin.rpc.sendtoaddress(addr, amount / 10**8 + 0.01)
bitcoind.generate_block(1)
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == 10)
# This violates the request schema!
l1.rpc.check_request_schemas = False
with pytest.raises(RpcError):
l1.rpc.withdraw(destination=addr, satoshi=10000, feerate='normal', minconf=9999999)
def test_addfunds_from_block(node_factory, bitcoind):
"""Send funds to the daemon without telling it explicitly
"""
# Previous runs with same bitcoind can leave funds!
coin_plugin = os.path.join(os.getcwd(), 'tests/plugins/coin_movements.py')
l1 = node_factory.get_node(random_hsm=True, options={'plugin': coin_plugin})
addr = l1.rpc.newaddr()['bech32']
bitcoind.rpc.sendtoaddress(addr, 0.1)
bitcoind.generate_block(1)
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == 1)
outputs = l1.db_query('SELECT value FROM outputs WHERE status=0;')
assert only_one(outputs)['value'] == 10000000
# The address we detect must match what was paid to.
output = only_one(l1.rpc.listfunds()['outputs'])
assert output['address'] == addr
# Send all our money to a P2WPKH address this time.
addr = l1.rpc.newaddr("bech32")['bech32']
l1.rpc.withdraw(addr, "all")
bitcoind.generate_block(1)
sync_blockheight(bitcoind, [l1])
# The address we detect must match what was paid to.
output = only_one(l1.rpc.listfunds()['outputs'])
assert output['address'] == addr
# We don't print a 'external deposit' event
# for funds that come back to our own wallet
expected_utxos = {
'0': [('wallet', ['deposit'], ['withdrawal'], 'A')],
'A': [('wallet', ['deposit'], None, None)],
}
check_utxos_channel(l1, [], expected_utxos)
def test_txprepare_multi(node_factory, bitcoind):
amount = 10000000
l1 = node_factory.get_node(random_hsm=True)
bitcoind.rpc.sendtoaddress(l1.rpc.newaddr()['bech32'], amount / 10**8)
bitcoind.generate_block(1)
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == 1)
outputs = []
for i in range(9):
outputs.append({l1.rpc.newaddr()['bech32']: Millisatoshi(amount * 100)})
prep = l1.rpc.txprepare(outputs=outputs)
l1.rpc.txdiscard(prep['txid'])
def test_txprepare(node_factory, bitcoind, chainparams):
amount = 1000000
l1 = node_factory.get_node(random_hsm=True)
addr = chainparams['example_addr']
# Add some funds to withdraw later: both bech32 and p2sh
for i in range(5):
bitcoind.rpc.sendtoaddress(l1.rpc.newaddr()['bech32'],
amount / 10**8)
bitcoind.rpc.sendtoaddress(l1.rpc.newaddr('p2sh-segwit')['p2sh-segwit'],
amount / 10**8)
bitcoind.generate_block(1)
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == 10)
prep = l1.rpc.txprepare(outputs=[{addr: Millisatoshi(amount * 3 * 1000)}])
decode = bitcoind.rpc.decoderawtransaction(prep['unsigned_tx'])
assert decode['txid'] == prep['txid']
# 4 inputs, 2 outputs (3 if we have a fee output).
assert len(decode['vin']) == 4
assert len(decode['vout']) == 2 if not chainparams['feeoutput'] else 3
# One output will be correct.
outnum = [i for i, o in enumerate(decode['vout']) if o['value'] == Decimal(amount * 3) / 10**8][0]
for i, o in enumerate(decode['vout']):
if i == outnum:
assert o['scriptPubKey']['type'] == 'witness_v0_keyhash'
assert scriptpubkey_addr(o['scriptPubKey']) == addr
else:
assert o['scriptPubKey']['type'] in ['witness_v0_keyhash', 'fee']
# Now prepare one with no change.
prep2 = l1.rpc.txprepare([{addr: 'all'}])
decode = bitcoind.rpc.decoderawtransaction(prep2['unsigned_tx'])
assert decode['txid'] == prep2['txid']
# 6 inputs, 1 outputs.
assert len(decode['vin']) == 6
assert len(decode['vout']) == 1 if not chainparams['feeoutput'] else 2
# Some fees will be paid.
assert decode['vout'][0]['value'] < Decimal(amount * 6) / 10**8
assert decode['vout'][0]['value'] > Decimal(amount * 6) / 10**8 - Decimal(0.0002)
assert decode['vout'][0]['scriptPubKey']['type'] == 'witness_v0_keyhash'
assert scriptpubkey_addr(decode['vout'][0]['scriptPubKey']) == addr
# If I cancel the first one, I can get those first 4 outputs.
discard = l1.rpc.txdiscard(prep['txid'])
assert discard['txid'] == prep['txid']
assert discard['unsigned_tx'] == prep['unsigned_tx']
prep3 = l1.rpc.txprepare([{addr: 'all'}])
decode = bitcoind.rpc.decoderawtransaction(prep3['unsigned_tx'])
assert decode['txid'] == prep3['txid']
# 4 inputs, 1 outputs.
assert len(decode['vin']) == 4
assert len(decode['vout']) == 1 if not chainparams['feeoutput'] else 2
# Some fees will be taken
assert decode['vout'][0]['value'] < Decimal(amount * 4) / 10**8
assert decode['vout'][0]['value'] > Decimal(amount * 4) / 10**8 - Decimal(0.0002)
assert decode['vout'][0]['scriptPubKey']['type'] == 'witness_v0_keyhash'
assert scriptpubkey_addr(decode['vout'][0]['scriptPubKey']) == addr
# Cannot discard twice.
with pytest.raises(RpcError, match=r'not an unreleased txid'):
l1.rpc.txdiscard(prep['txid'])
# Discard everything, we should now spend all inputs.
l1.rpc.txdiscard(prep2['txid'])
l1.rpc.txdiscard(prep3['txid'])
prep4 = l1.rpc.txprepare([{addr: 'all'}])
decode = bitcoind.rpc.decoderawtransaction(prep4['unsigned_tx'])
assert decode['txid'] == prep4['txid']
# 10 inputs, 1 outputs.
assert len(decode['vin']) == 10
assert len(decode['vout']) == 1 if not chainparams['feeoutput'] else 2
# Some fees will be taken
assert decode['vout'][0]['value'] < Decimal(amount * 10) / 10**8
assert decode['vout'][0]['value'] > Decimal(amount * 10) / 10**8 - Decimal(0.0003)
assert decode['vout'][0]['scriptPubKey']['type'] == 'witness_v0_keyhash'
assert scriptpubkey_addr(decode['vout'][0]['scriptPubKey']) == addr
l1.rpc.txdiscard(prep4['txid'])
# Try passing in a utxo set
utxos = [utxo["txid"] + ":" + str(utxo["output"])
for utxo in l1.rpc.listfunds()["outputs"]][:4]
prep5 = l1.rpc.txprepare([{addr:
Millisatoshi(amount * 3.5 * 1000)}], utxos=utxos)
# Try passing unconfirmed utxos
unconfirmed_utxo = l1.rpc.withdraw(l1.rpc.newaddr()["bech32"], 10**5)
uutxos = [unconfirmed_utxo["txid"] + ":0"]
with pytest.raises(RpcError, match=r"Could not afford"):
l1.rpc.txprepare([{addr: Millisatoshi(amount * 3.5 * 1000)}],
utxos=uutxos)
decode = bitcoind.rpc.decoderawtransaction(prep5['unsigned_tx'])
assert decode['txid'] == prep5['txid']
# Check that correct utxos are included
assert len(decode['vin']) == 4
vins = ["{}:{}".format(v['txid'], v['vout']) for v in decode['vin']]
for utxo in utxos:
assert utxo in vins
# We should have a change output, so this is exact
assert len(decode['vout']) == 3 if chainparams['feeoutput'] else 2
# Change output pos is random.
for vout in decode['vout']:
if vout['scriptPubKey']['type'] == 'fee':
continue
if scriptpubkey_addr(vout['scriptPubKey']) == addr:
changeout = vout
assert changeout['value'] == Decimal(amount * 3.5) / 10**8
assert changeout['scriptPubKey']['type'] == 'witness_v0_keyhash'
assert scriptpubkey_addr(changeout['scriptPubKey']) == addr
# Discard prep4 and get all funds again
l1.rpc.txdiscard(prep5['txid'])
# You can have one which is all, but not two.
prep5 = l1.rpc.txprepare([{addr: Millisatoshi(amount * 3 * 1000)},
{addr: 'all'}])
l1.rpc.txdiscard(prep5['txid'])
with pytest.raises(RpcError, match=r"'all'"):
prep5 = l1.rpc.txprepare([{addr: 'all'}, {addr: 'all'}])
prep5 = l1.rpc.txprepare([{addr: Millisatoshi(amount * 3 * 500 + 100000)},
{addr: Millisatoshi(amount * 3 * 500 - 100000)}])
decode = bitcoind.rpc.decoderawtransaction(prep5['unsigned_tx'])
assert decode['txid'] == prep5['txid']
# 4 inputs, 3 outputs(include change).
assert len(decode['vin']) == 4
assert len(decode['vout']) == 4 if chainparams['feeoutput'] else 3
# One output will be correct.
for i in range(3 + chainparams['feeoutput']):
if decode['vout'][i - 1]['value'] == Decimal('0.01500100'):
outnum1 = i - 1
elif decode['vout'][i - 1]['value'] == Decimal('0.01499900'):
outnum2 = i - 1
else:
changenum = i - 1
assert decode['vout'][outnum1]['scriptPubKey']['type'] == 'witness_v0_keyhash'
assert scriptpubkey_addr(decode['vout'][outnum1]['scriptPubKey']) == addr
assert decode['vout'][outnum2]['scriptPubKey']['type'] == 'witness_v0_keyhash'
assert scriptpubkey_addr(decode['vout'][outnum2]['scriptPubKey']) == addr
assert decode['vout'][changenum]['scriptPubKey']['type'] == 'witness_v0_keyhash'
def test_reserveinputs(node_factory, bitcoind, chainparams):
amount = 1000000
total_outs = 12
l1 = node_factory.get_node(feerates=(7500, 7500, 7500, 7500))
outputs = []
# Add a medley of funds to withdraw later, bech32 + p2sh-p2wpkh
for i in range(total_outs // 2):
txid = bitcoind.rpc.sendtoaddress(l1.rpc.newaddr()['bech32'],
amount / 10**8)
outputs.append((txid, bitcoind.rpc.gettransaction(txid)['details'][0]['vout']))
txid = bitcoind.rpc.sendtoaddress(l1.rpc.newaddr('p2sh-segwit')['p2sh-segwit'],
amount / 10**8)
outputs.append((txid, bitcoind.rpc.gettransaction(txid)['details'][0]['vout']))
bitcoind.generate_block(1)
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == total_outs)
assert not any(o['reserved'] for o in l1.rpc.listfunds()['outputs'])
# Try reserving one at a time.
for out in outputs:
psbt = bitcoind.rpc.createpsbt([{'txid': out[0], 'vout': out[1]}], [])
l1.rpc.reserveinputs(psbt)
assert all(o['reserved'] for o in l1.rpc.listfunds()['outputs'])
reserveheight = bitcoind.rpc.getblockchaininfo()['blocks'] + 72
assert all(o['reserved_to_block'] == reserveheight for o in l1.rpc.listfunds()['outputs'])
# Unreserve as a batch.
psbt = bitcoind.rpc.createpsbt([{'txid': out[0], 'vout': out[1]} for out in outputs], [])
l1.rpc.unreserveinputs(psbt)
assert not any(o['reserved'] for o in l1.rpc.listfunds()['outputs'])
assert not any('reserved_to_block' in o for o in l1.rpc.listfunds()['outputs'])
# Reserve twice fails unless exclusive.
l1.rpc.reserveinputs(psbt)
with pytest.raises(RpcError, match=r"already reserved"):
l1.rpc.reserveinputs(psbt)
l1.rpc.reserveinputs(psbt, False)
assert all(o['reserved_to_block'] == reserveheight + 72 for o in l1.rpc.listfunds()['outputs'])
l1.rpc.unreserveinputs(psbt)
assert all(o['reserved'] for o in l1.rpc.listfunds()['outputs'])
assert all(o['reserved_to_block'] == reserveheight for o in l1.rpc.listfunds()['outputs'])
# Stays reserved across restarts.
l1.restart()
assert all(o['reserved'] for o in l1.rpc.listfunds()['outputs'])
assert all(o['reserved_to_block'] == reserveheight for o in l1.rpc.listfunds()['outputs'])
# Final unreserve works.
l1.rpc.unreserveinputs(psbt)
assert not any(o['reserved'] for o in l1.rpc.listfunds()['outputs'])
assert not any('reserved_to_block' in o for o in l1.rpc.listfunds()['outputs'])
def test_fundpsbt(node_factory, bitcoind, chainparams):
amount = 1000000
total_outs = 4
l1 = node_factory.get_node()
outputs = []
# Add a medley of funds to withdraw later, bech32 + p2sh-p2wpkh
for i in range(total_outs // 2):
txid = bitcoind.rpc.sendtoaddress(l1.rpc.newaddr()['bech32'],
amount / 10**8)
outputs.append((txid, bitcoind.rpc.gettransaction(txid)['details'][0]['vout']))
txid = bitcoind.rpc.sendtoaddress(l1.rpc.newaddr('p2sh-segwit')['p2sh-segwit'],
amount / 10**8)
outputs.append((txid, bitcoind.rpc.gettransaction(txid)['details'][0]['vout']))
bitcoind.generate_block(1)
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == total_outs)
feerate = '7500perkw'
# Should get one input, plus some excess
funding = l1.rpc.fundpsbt(amount // 2, feerate, 0, reserve=0)
psbt = bitcoind.rpc.decodepsbt(funding['psbt'])
# We can fuzz this up to 99 blocks back.
assert psbt['tx']['locktime'] > bitcoind.rpc.getblockcount() - 100
assert psbt['tx']['locktime'] <= bitcoind.rpc.getblockcount()
assert len(psbt['tx']['vin']) == 1
assert funding['excess_msat'] > Millisatoshi(0)
assert funding['excess_msat'] < Millisatoshi(amount // 2 * 1000)
assert funding['feerate_per_kw'] == 7500
assert 'estimated_final_weight' in funding
assert 'reservations' not in funding
# This should add 99 to the weight, but otherwise be identical (might choose different inputs though!) except for locktime.
funding2 = l1.rpc.fundpsbt(amount // 2, feerate, 99, reserve=0, locktime=bitcoind.rpc.getblockcount() + 1)
psbt2 = bitcoind.rpc.decodepsbt(funding2['psbt'])
assert psbt2['tx']['locktime'] == bitcoind.rpc.getblockcount() + 1
assert len(psbt2['tx']['vin']) == 1
assert funding2['excess_msat'] < funding['excess_msat']
assert funding2['feerate_per_kw'] == 7500
# Naively you'd expect this to be +99, but it might have selected a non-p2sh output...
assert funding2['estimated_final_weight'] > funding['estimated_final_weight']
# Cannot afford this one (too much)
with pytest.raises(RpcError, match=r"not afford"):
l1.rpc.fundpsbt(amount * total_outs, feerate, 0)
# Nor this (depth insufficient)
with pytest.raises(RpcError, match=r"not afford"):
l1.rpc.fundpsbt(amount // 2, feerate, 0, minconf=2)
funding3 = l1.rpc.fundpsbt(amount // 2, feerate, 0, reserve=0, excess_as_change=True)
assert funding3['excess_msat'] == Millisatoshi(0)
# Should have the excess msat as the output value (minus fee for change)
psbt = bitcoind.rpc.decodepsbt(funding3['psbt'])
change = Millisatoshi("{}btc".format(psbt['tx']['vout'][funding3['change_outnum']]['value']))
# The weight should be greater (now includes change output)
change_weight = funding3['estimated_final_weight'] - funding['estimated_final_weight']
assert change_weight > 0
# Check that the amount is ok (equal to excess minus change fee)
change_fee = Millisatoshi(7500 * change_weight)
assert funding['excess_msat'] == change + change_fee
# Should get two inputs.
psbt = bitcoind.rpc.decodepsbt(l1.rpc.fundpsbt(amount, feerate, 0, reserve=0)['psbt'])
assert len(psbt['tx']['vin']) == 2
# Should not use reserved outputs.
psbt = bitcoind.rpc.createpsbt([{'txid': out[0], 'vout': out[1]} for out in outputs], [])
l1.rpc.reserveinputs(psbt)
with pytest.raises(RpcError, match=r"not afford"):
l1.rpc.fundpsbt(amount // 2, feerate, 0)
# Will use first one if unreserved.
l1.rpc.unreserveinputs(bitcoind.rpc.createpsbt([{'txid': outputs[0][0], 'vout': outputs[0][1]}], []))
psbt = l1.rpc.fundpsbt(amount // 2, feerate, 0)['psbt']
# Should have passed to reserveinputs.
with pytest.raises(RpcError, match=r"already reserved"):
l1.rpc.reserveinputs(psbt)
# And now we can't afford any more.
with pytest.raises(RpcError, match=r"not afford"):
l1.rpc.fundpsbt(amount // 2, feerate, 0)
def test_utxopsbt(node_factory, bitcoind, chainparams):
amount = 1000000
l1 = node_factory.get_node()
outputs = []
# Add a medley of funds to withdraw later, bech32 + p2sh-p2wpkh
txid = bitcoind.rpc.sendtoaddress(l1.rpc.newaddr()['bech32'],
amount / 10**8)
outputs.append((txid, bitcoind.rpc.gettransaction(txid)['details'][0]['vout']))
txid = bitcoind.rpc.sendtoaddress(l1.rpc.newaddr('p2sh-segwit')['p2sh-segwit'],
amount / 10**8)
outputs.append((txid, bitcoind.rpc.gettransaction(txid)['details'][0]['vout']))
bitcoind.generate_block(1)
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == len(outputs))
fee_val = 7500
feerate = '{}perkw'.format(fee_val)
# Explicitly spend the first output above.
funding = l1.rpc.utxopsbt(amount // 2, feerate, 0,
['{}:{}'.format(outputs[0][0], outputs[0][1])],
reserve=0)
psbt = bitcoind.rpc.decodepsbt(funding['psbt'])
# We can fuzz this up to 99 blocks back.
assert psbt['tx']['locktime'] > bitcoind.rpc.getblockcount() - 100
assert psbt['tx']['locktime'] <= bitcoind.rpc.getblockcount()
assert len(psbt['tx']['vin']) == 1
assert funding['excess_msat'] > Millisatoshi(0)
assert funding['excess_msat'] < Millisatoshi(amount // 2 * 1000)
assert funding['feerate_per_kw'] == 7500
assert 'estimated_final_weight' in funding
assert 'reservations' not in funding
# This should add 99 to the weight, but otherwise be identical except for locktime.
start_weight = 99
funding2 = l1.rpc.utxopsbt(amount // 2, feerate, start_weight,
['{}:{}'.format(outputs[0][0], outputs[0][1])],
reserve=0, locktime=bitcoind.rpc.getblockcount() + 1)
psbt2 = bitcoind.rpc.decodepsbt(funding2['psbt'])
assert psbt2['tx']['locktime'] == bitcoind.rpc.getblockcount() + 1
assert psbt2['tx']['vin'] == psbt['tx']['vin']
if chainparams['elements']:
# elements includes the fee as an output
addl_fee = Millisatoshi((fee_val * start_weight + 999) // 1000 * 1000)
assert psbt2['tx']['vout'][0]['value'] == psbt['tx']['vout'][0]['value'] + addl_fee.to_btc()
else:
assert psbt2['tx']['vout'] == psbt['tx']['vout']
assert funding2['excess_msat'] < funding['excess_msat']
assert funding2['feerate_per_kw'] == 7500
assert funding2['estimated_final_weight'] == funding['estimated_final_weight'] + 99
assert 'reservations' not in funding2
# Cannot afford this one (too much)
with pytest.raises(RpcError, match=r"not afford"):
l1.rpc.utxopsbt(amount, feerate, 0,
['{}:{}'.format(outputs[0][0], outputs[0][1])])
# Nor this (even with both)
with pytest.raises(RpcError, match=r"not afford"):
l1.rpc.utxopsbt(amount * 2, feerate, 0,
['{}:{}'.format(outputs[0][0], outputs[0][1]),
'{}:{}'.format(outputs[1][0], outputs[1][1])])
funding3 = l1.rpc.utxopsbt(amount // 2, feerate, 0,
['{}:{}'.format(outputs[0][0], outputs[0][1])],
reserve=0,
excess_as_change=True)
assert funding3['excess_msat'] == Millisatoshi(0)
# Should have the excess msat as the output value (minus fee for change)
psbt = bitcoind.rpc.decodepsbt(funding3['psbt'])
change = Millisatoshi("{}btc".format(psbt['tx']['vout'][funding3['change_outnum']]['value']))
# The weight should be greater (now includes change output)
change_weight = funding3['estimated_final_weight'] - funding['estimated_final_weight']
assert change_weight > 0
# Check that the amount is ok (equal to excess minus change fee)
change_fee = Millisatoshi(fee_val * change_weight // 1000 * 1000)
assert funding['excess_msat'] == change + change_fee
# Do it again, but without enough for change!
funding4 = l1.rpc.utxopsbt(amount - 3500,
feerate, 0,
['{}:{}'.format(outputs[0][0], outputs[0][1])],
reserve=0,
excess_as_change=True)
assert 'change_outnum' not in funding4
# Should get two inputs (and reserve!)
funding = l1.rpc.utxopsbt(amount, feerate, 0,
['{}:{}'.format(outputs[0][0], outputs[0][1]),
'{}:{}'.format(outputs[1][0], outputs[1][1])])
psbt = bitcoind.rpc.decodepsbt(funding['psbt'])
assert len(psbt['tx']['vin']) == 2
assert len(funding['reservations']) == 2
assert funding['reservations'][0]['txid'] == outputs[0][0]
assert funding['reservations'][0]['vout'] == outputs[0][1]
assert funding['reservations'][0]['was_reserved'] is False
assert funding['reservations'][0]['reserved'] is True
assert funding['reservations'][1]['txid'] == outputs[1][0]
assert funding['reservations'][1]['vout'] == outputs[1][1]
assert funding['reservations'][1]['was_reserved'] is False
assert funding['reservations'][1]['reserved'] is True
# Should refuse to use reserved outputs.
with pytest.raises(RpcError, match=r"already reserved"):
l1.rpc.utxopsbt(amount, feerate, 0,
['{}:{}'.format(outputs[0][0], outputs[0][1]),
'{}:{}'.format(outputs[1][0], outputs[1][1])])
# Unless we tell it that's ok.
l1.rpc.utxopsbt(amount, feerate, 0,
['{}:{}'.format(outputs[0][0], outputs[0][1]),
'{}:{}'.format(outputs[1][0], outputs[1][1])],
reservedok=True)
def test_sign_external_psbt(node_factory, bitcoind, chainparams):
"""
A PSBT w/ one of our inputs should be signable (we can fill
in the required UTXO data).
"""
l1 = node_factory.get_node(feerates=(7500, 7500, 7500, 7500))
amount = 1000000
total_outs = 4
# Add a medley of funds to withdraw later, bech32 + p2sh-p2wpkh
for i in range(total_outs // 2):
bitcoind.rpc.sendtoaddress(l1.rpc.newaddr()['bech32'],
amount / 10**8)
bitcoind.rpc.sendtoaddress(l1.rpc.newaddr('p2sh-segwit')['p2sh-segwit'], amount / 10**8)
bitcoind.generate_block(1)
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == total_outs)
# Build a PSBT using all our inputs, externally
inputs = []
for inp in l1.rpc.listfunds()['outputs']:
inputs.append({'txid': inp['txid'], 'vout': inp['output']})
addr = l1.rpc.newaddr()['bech32']
psbt = bitcoind.rpc.createpsbt(inputs, [{addr: (amount * 3) / 10**8}])
l1.rpc.reserveinputs(psbt)
l1.rpc.signpsbt(psbt)
def test_sign_and_send_psbt(node_factory, bitcoind, chainparams):
"""
Tests for the sign + send psbt RPCs
"""
amount = 1000000
total_outs = 12
coin_mvt_plugin = os.path.join(os.getcwd(), 'tests/plugins/coin_movements.py')
l1 = node_factory.get_node(options={'plugin': coin_mvt_plugin},
feerates=(7500, 7500, 7500, 7500))
l2 = node_factory.get_node()
addr = chainparams['example_addr']
out_total = Millisatoshi(amount * 3 * 1000)
# Add a medley of funds to withdraw later, bech32 + p2sh-p2wpkh
for i in range(total_outs // 2):
bitcoind.rpc.sendtoaddress(l1.rpc.newaddr()['bech32'],
amount / 10**8)
bitcoind.rpc.sendtoaddress(l1.rpc.newaddr('p2sh-segwit')['p2sh-segwit'],
amount / 10**8)
bitcoind.generate_block(1)
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == total_outs)
# Make a PSBT out of our inputs
funding = l1.rpc.fundpsbt(satoshi=out_total,
feerate=7500,
startweight=42)
assert len([x for x in l1.rpc.listfunds()['outputs'] if x['reserved']]) == 4
psbt = bitcoind.rpc.decodepsbt(funding['psbt'])
saved_input = psbt['tx']['vin'][0]
# Go ahead and unreserve the UTXOs, we'll use a smaller
# set of them to create a second PSBT that we'll attempt to sign
# and broadcast (to disastrous results)
l1.rpc.unreserveinputs(funding['psbt'])
# Re-reserve one of the utxos we just unreserved
psbt = bitcoind.rpc.createpsbt([{'txid': saved_input['txid'],
'vout': saved_input['vout']}], [])
l1.rpc.reserveinputs(psbt)
# We require the utxos be reserved before signing them
with pytest.raises(RpcError, match=r"Aborting PSBT signing. UTXO .* is not reserved"):
l1.rpc.signpsbt(funding['psbt'])['signed_psbt']
# Now we unreserve the singleton, so we can reserve it again
l1.rpc.unreserveinputs(psbt)
# Now add an output. Note, we add the 'excess msat' to the output so
# that our feerate is 'correct'. This is of particular importance to elementsd,
# who requires that every satoshi be accounted for in a tx.
out_1_ms = Millisatoshi(funding['excess_msat'])
output_psbt = bitcoind.rpc.createpsbt([],
[{addr: float((out_total + out_1_ms).to_btc())}])
fullpsbt = bitcoind.rpc.joinpsbts([funding['psbt'], output_psbt])
# We re-reserve the first set...
l1.rpc.reserveinputs(fullpsbt)
# Sign + send the PSBT we've created
signed_psbt = l1.rpc.signpsbt(fullpsbt)['signed_psbt']
broadcast_tx = l1.rpc.sendpsbt(signed_psbt)
# Check that it was broadcast successfully
l1.daemon.wait_for_log(r'sendrawtx exit 0 .* sendrawtransaction {}'.format(broadcast_tx['tx']))
bitcoind.generate_block(1)
# We didn't add a change output.
expected_outs = total_outs - 4
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == expected_outs)
# Let's try *sending* a PSBT that can't be finalized (it's unsigned)
with pytest.raises(RpcError, match=r"PSBT not finalizeable"):
l1.rpc.sendpsbt(fullpsbt)
# Now we try signing a PSBT with an output that's already been spent
with pytest.raises(RpcError, match=r"Aborting PSBT signing. UTXO .* is not reserved"):
l1.rpc.signpsbt(fullpsbt)
# Queue up another node, to make some PSBTs for us
for i in range(total_outs // 2):
bitcoind.rpc.sendtoaddress(l2.rpc.newaddr()['bech32'],
amount / 10**8)
bitcoind.rpc.sendtoaddress(l2.rpc.newaddr('p2sh-segwit')['p2sh-segwit'],
amount / 10**8)
# Create a PSBT using L2
bitcoind.generate_block(1)
wait_for(lambda: len(l2.rpc.listfunds()['outputs']) == total_outs)
l2_funding = l2.rpc.fundpsbt(satoshi=out_total,
feerate=7500,
startweight=42)
# Try to get L1 to sign it
with pytest.raises(RpcError, match=r"No wallet inputs to sign"):
l1.rpc.signpsbt(l2_funding['psbt'])
# With signonly it will fail if it can't sign it.
with pytest.raises(RpcError, match=r"is unknown"):
l1.rpc.signpsbt(l2_funding['psbt'], signonly=[0])
# Add some of our own PSBT inputs to it
l1_funding = l1.rpc.fundpsbt(satoshi=out_total,
feerate=7500,
startweight=42)
l1_num_inputs = len(bitcoind.rpc.decodepsbt(l1_funding['psbt'])['tx']['vin'])
l2_num_inputs = len(bitcoind.rpc.decodepsbt(l2_funding['psbt'])['tx']['vin'])
# Join and add an output (reorders!)
out_2_ms = Millisatoshi(l1_funding['excess_msat'])
out_amt = out_2_ms + Millisatoshi(l2_funding['excess_msat']) + out_total + out_total
output_psbt = bitcoind.rpc.createpsbt([],
[{addr: float(out_amt.to_btc())}])
joint_psbt = bitcoind.rpc.joinpsbts([l1_funding['psbt'], l2_funding['psbt'],
output_psbt])
# Ask it to sign inputs it doesn't know, it will fail.
with pytest.raises(RpcError, match=r"is unknown"):
l1.rpc.signpsbt(joint_psbt,
signonly=list(range(l1_num_inputs + 1)))
# Similarly, it can't sign inputs it doesn't know.
sign_success = []
for i in range(l1_num_inputs + l2_num_inputs):
try:
l1.rpc.signpsbt(joint_psbt, signonly=[i])
except RpcError:
continue
sign_success.append(i)
assert len(sign_success) == l1_num_inputs
# But it can sign all the valid ones at once.
half_signed_psbt = l1.rpc.signpsbt(joint_psbt, signonly=sign_success)['signed_psbt']
for s in sign_success:
assert bitcoind.rpc.decodepsbt(half_signed_psbt)['inputs'][s]['partial_signatures'] is not None
totally_signed = l2.rpc.signpsbt(half_signed_psbt)['signed_psbt']
broadcast_tx = l1.rpc.sendpsbt(totally_signed)
l1.daemon.wait_for_log(r'sendrawtx exit 0 .* sendrawtransaction {}'.format(broadcast_tx['tx']))
# Send a PSBT that's not ours
l2_funding = l2.rpc.fundpsbt(satoshi=out_total,
feerate=7500,
startweight=42)
out_amt = Millisatoshi(l2_funding['excess_msat'])
output_psbt = bitcoind.rpc.createpsbt([],
[{addr: float((out_total + out_amt).to_btc())}])
psbt = bitcoind.rpc.joinpsbts([l2_funding['psbt'], output_psbt])
l2_signed_psbt = l2.rpc.signpsbt(psbt)['signed_psbt']
l1.rpc.sendpsbt(l2_signed_psbt)
# Re-try sending the same tx?
bitcoind.generate_block(1)
sync_blockheight(bitcoind, [l1])
# Expect an error here
with pytest.raises(JSONRPCError, match=r"Transaction already in block chain"):
bitcoind.rpc.sendrawtransaction(broadcast_tx['tx'])
# Try an empty PSBT
with pytest.raises(RpcError, match=r"psbt: Expected a PSBT: invalid token"):
l1.rpc.signpsbt('')
with pytest.raises(RpcError, match=r"psbt: Expected a PSBT: invalid token"):
l1.rpc.sendpsbt('')
# Try an invalid PSBT string
invalid_psbt = 'cHNidP8BAM0CAAAABJ9446mTRp/ml8OxSLC1hEvrcxG1L02AG7YZ4syHon2sAQAAAAD9////JFJH/NjKwjwrP9myuU68G7t8Q4VIChH0KUkZ5hSAyqcAAAAAAP3///8Uhrj0XDRhGRno8V7qEe4hHvZcmEjt3LQSIXWc+QU2tAEAAAAA/f///wstLikuBrgZJI83VPaY8aM7aPe5U6TMb06+jvGYzQLEAQAAAAD9////AcDGLQAAAAAAFgAUyQltQ/QI6lJgICYsza18hRa5KoEAAAAAAAEBH0BCDwAAAAAAFgAUqc1Qh7Q5kY1noDksmj7cJmHaIbQAAQEfQEIPAAAAAAAWABS3bdYeQbXvBSryHNoyYIiMBwu5rwABASBAQg8AAAAAABepFD1r0NuqAA+R7zDiXrlP7J+/PcNZhwEEFgAUKvGgVL/ThjWE/P1oORVXh/ObucYAAQEgQEIPAAAAAAAXqRRsrE5ugA1VJnAith5+msRMUTwl8ocBBBYAFMrfGCiLi0ZnOCY83ERKJ1sLYMY8A='
with pytest.raises(RpcError, match=r"psbt: Expected a PSBT: invalid token"):
l1.rpc.signpsbt(invalid_psbt)
wallet_coin_mvts = [
{'type': 'chain_mvt', 'credit_msat': 1000000000, 'debit_msat': 0, 'tags': ['deposit']},
{'type': 'chain_mvt', 'credit_msat': 1000000000, 'debit_msat': 0, 'tags': ['deposit']},
{'type': 'chain_mvt', 'credit_msat': 1000000000, 'debit_msat': 0, 'tags': ['deposit']},
{'type': 'chain_mvt', 'credit_msat': 1000000000, 'debit_msat': 0, 'tags': ['deposit']},
{'type': 'chain_mvt', 'credit_msat': 1000000000, 'debit_msat': 0, 'tags': ['deposit']},
{'type': 'chain_mvt', 'credit_msat': 1000000000, 'debit_msat': 0, 'tags': ['deposit']},
{'type': 'chain_mvt', 'credit_msat': 1000000000, 'debit_msat': 0, 'tags': ['deposit']},
{'type': 'chain_mvt', 'credit_msat': 1000000000, 'debit_msat': 0, 'tags': ['deposit']},
{'type': 'chain_mvt', 'credit_msat': 1000000000, 'debit_msat': 0, 'tags': ['deposit']},
{'type': 'chain_mvt', 'credit_msat': 1000000000, 'debit_msat': 0, 'tags': ['deposit']},
{'type': 'chain_mvt', 'credit_msat': 1000000000, 'debit_msat': 0, 'tags': ['deposit']},
{'type': 'chain_mvt', 'credit_msat': 1000000000, 'debit_msat': 0, 'tags': ['deposit']},
{'type': 'chain_mvt', 'credit_msat': 0, 'debit_msat': 1000000000, 'tags': ['withdrawal']},
{'type': 'chain_mvt', 'credit_msat': 0, 'debit_msat': 1000000000, 'tags': ['withdrawal']},
{'type': 'chain_mvt', 'credit_msat': 0, 'debit_msat': 1000000000, 'tags': ['withdrawal']},
{'type': 'chain_mvt', 'credit_msat': 0, 'debit_msat': 1000000000, 'tags': ['withdrawal']},
{'type': 'chain_mvt', 'credit_msat': 0, 'debit_msat': 1000000000, 'tags': ['withdrawal']},
{'type': 'chain_mvt', 'credit_msat': 0, 'debit_msat': 1000000000, 'tags': ['withdrawal']},
{'type': 'chain_mvt', 'credit_msat': 0, 'debit_msat': 1000000000, 'tags': ['withdrawal']},
{'type': 'chain_mvt', 'credit_msat': 0, 'debit_msat': 1000000000, 'tags': ['withdrawal']},
]
check_coin_moves(l1, 'wallet', wallet_coin_mvts, chainparams)
def test_txsend(node_factory, bitcoind, chainparams):
amount = 1000000
l1 = node_factory.get_node(random_hsm=True)
addr = chainparams['example_addr']
# Add some funds to withdraw later: both bech32 and p2sh
for i in range(5):
bitcoind.rpc.sendtoaddress(l1.rpc.newaddr()['bech32'],
amount / 10**8)
bitcoind.rpc.sendtoaddress(l1.rpc.newaddr('p2sh-segwit')['p2sh-segwit'],
amount / 10**8)
bitcoind.generate_block(1)
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == 10)
prep = l1.rpc.txprepare([{addr: Millisatoshi(amount * 3 * 1000)}])
out = l1.rpc.txsend(prep['txid'])
# Cannot discard after send!
with pytest.raises(RpcError, match=r'not an unreleased txid'):
l1.rpc.txdiscard(prep['txid'])
wait_for(lambda: prep['txid'] in bitcoind.rpc.getrawmempool())
# Signed tx should have same txid
decode = bitcoind.rpc.decoderawtransaction(out['tx'])
assert decode['txid'] == prep['txid']
bitcoind.generate_block(1)
# Change output should appear.
if decode['vout'][0]['value'] == Decimal(amount * 3) / 10**8:
changenum = 1
elif decode['vout'][1]['value'] == Decimal(amount * 3) / 10**8:
changenum = 0
else:
assert False
# Those spent outputs are gone, but change output has arrived.
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == 10 - len(decode['vin']) + 1)
# Change address should appear in listfunds()
assert scriptpubkey_addr(decode['vout'][changenum]['scriptPubKey']) in [f['address'] for f in l1.rpc.listfunds()['outputs']]
@unittest.skipIf(TEST_NETWORK != 'regtest', "Fee outputs throw off our output matching logic")
@unittest.skipIf(not EXPERIMENTAL_FEATURES, "Tests annotations which are compiled only with experimental features")
def test_transaction_annotations(node_factory, bitcoind):
l1, l2, l3 = node_factory.get_nodes(3)
l1.fundwallet(10**6)
# We should now have a transaction that gave us the funds in the
# transactions table...
outputs = l1.rpc.listfunds()['outputs']
assert(len(outputs) == 1 and outputs[0]['status'] == 'confirmed')
out = outputs[0]
idx = out['output']
assert(idx in [0, 1] and out['amount_msat'] == Millisatoshi("{}sat".format(10**6)))
# ... and it should have an annotation on the output reading 'deposit'
txs = l1.rpc.listtransactions()['transactions']
assert(len(txs) == 1)
tx = txs[0]
output = tx['outputs'][idx]
assert(output['type'] == 'deposit' and output['amount_msat'] == Millisatoshi(1000000000))
# ... and all other output should be change, and have no annotations
types = []
for i, o in enumerate(tx['outputs']):
if i == idx:
continue
if 'type' in o:
types.append(o['type'])
else:
types.append(None)
assert(set([None]) == set(types))
##########################################################################
# Let's now open a channel. The opener should get the funding transaction
# annotated as channel open and deposit.