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5ba81e54e0
dash/test/functional/fundrawtransaction.py
Wladimir J. van der Laan f34cdcbd80
Merge #9294: Use internal HD chain for change outputs (hd split) 
4115af7 Fix rebase issue where pwalletMain was used instead of pwallet Ser./Deser. nInternalChainCounter as last element (Jonas Schnelli)
9382f04 Do not break backward compatibility during wallet encryption (Jonas Schnelli)
1df08d1 Add assertion for CanSupportFeature(FEATURE_HD_SPLIT) (Jonas Schnelli)
cd468d0 Define CWallet::DeriveNewChildKey() as private (Jonas Schnelli)
ed79e4f Optimize GetOldestKeyPoolTime(), return as soon as we have both oldest keys (Jonas Schnelli)
771a304 Make sure we set the wallets min version to FEATURE_HD_SPLIT at the very first point (Jonas Schnelli)
1b3b5c6 Slightly modify fundrawtransaction.py test (change getnewaddress() into getrawchangeaddress()) (Jonas Schnelli)
003e197 Remove FEATURE_HD_SPLIT bump TODO (Jonas Schnelli)
d9638e5 Overhaul the internal/external key derive switch (Jonas Schnelli)
1090502 Fix superfluous cast and code style nits in RPC wallet-hd.py test (Jonas Schnelli)
58e1483 CKeyPool avoid "catch (...)" in SerializationOp (Jonas Schnelli)
e138876 Only show keypoolsize_hd_internal if HD split is enabled (Jonas Schnelli)
add38d9 GetOldestKeyPoolTime: if HD & HD Chain Split is enabled, response max(oldest-internal-key, oldest-external-key) (Jonas Schnelli)
dd526c2 Don't switch to HD-chain-split during wallet encryption of non HD-chain-split wallets (Jonas Schnelli)
79df9df Switch to 100% for the HD internal keypool size (Jonas Schnelli)
bcafca1 Make sure we always generate one keypool key at minimum (Jonas Schnelli)
d0a627a Fix issue where CDataStream->nVersion was taken a CKeyPool record version (Jonas Schnelli)
9af8f00 Make sure we hand out keypool keys if HD_SPLIT is not enabled (Jonas Schnelli)
469a47b Make sure ReserveKeyFromKeyPool only hands out internal keys if HD_SPLIT is supported (Jonas Schnelli)
05a9b49 Fix wrong keypool internal size in RPC getwalletinfo help (Jonas Schnelli)
01de822 Removed redundant IsLocked() check in NewKeyPool() (Jonas Schnelli)
d59531d Immediately return setKeyPool's size if HD or HD_SPLIT is disabled or not supported (Jonas Schnelli)
02592f4 [Wallet] split the keypool in an internal and external part (Jonas Schnelli)

Tree-SHA512: 80d355d5e844b48c3163b56c788ab8b5b5285db0ceeb19858a3ef517d5a702afeca21dbae526d7b8fb4101c2a745af1d92bf557c40cf516780f17992bf678c1a
2017-03-29 12:51:06 +02:00

735 lines
32 KiB
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#!/usr/bin/env python3
# Copyright (c) 2014-2016 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test the fundrawtransaction RPC."""
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *
def get_unspent(listunspent, amount):
for utx in listunspent:
if utx['amount'] == amount:
return utx
raise AssertionError('Could not find unspent with amount={}'.format(amount))
class RawTransactionsTest(BitcoinTestFramework):
def __init__(self):
super().__init__()
self.setup_clean_chain = True
self.num_nodes = 4
def setup_network(self, split=False):
self.nodes = start_nodes(self.num_nodes, self.options.tmpdir)
connect_nodes_bi(self.nodes,0,1)
connect_nodes_bi(self.nodes,1,2)
connect_nodes_bi(self.nodes,0,2)
connect_nodes_bi(self.nodes,0,3)
self.is_network_split=False
self.sync_all()
def run_test(self):
min_relay_tx_fee = self.nodes[0].getnetworkinfo()['relayfee']
# This test is not meant to test fee estimation and we'd like
# to be sure all txs are sent at a consistent desired feerate
for node in self.nodes:
node.settxfee(min_relay_tx_fee)
# if the fee's positive delta is higher than this value tests will fail,
# neg. delta always fail the tests.
# The size of the signature of every input may be at most 2 bytes larger
# than a minimum sized signature.
# = 2 bytes * minRelayTxFeePerByte
feeTolerance = 2 * min_relay_tx_fee/1000
self.nodes[2].generate(1)
self.sync_all()
self.nodes[0].generate(121)
self.sync_all()
watchonly_address = self.nodes[0].getnewaddress()
watchonly_pubkey = self.nodes[0].validateaddress(watchonly_address)["pubkey"]
watchonly_amount = Decimal(200)
self.nodes[3].importpubkey(watchonly_pubkey, "", True)
watchonly_txid = self.nodes[0].sendtoaddress(watchonly_address, watchonly_amount)
self.nodes[0].sendtoaddress(self.nodes[3].getnewaddress(), watchonly_amount / 10)
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 1.5)
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 1.0)
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 5.0)
self.nodes[0].generate(1)
self.sync_all()
###############
# simple test #
###############
inputs = [ ]
outputs = { self.nodes[0].getnewaddress() : 1.0 }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
dec_tx = self.nodes[2].decoderawtransaction(rawtx)
rawtxfund = self.nodes[2].fundrawtransaction(rawtx)
fee = rawtxfund['fee']
dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex'])
assert(len(dec_tx['vin']) > 0) #test that we have enough inputs
##############################
# simple test with two coins #
##############################
inputs = [ ]
outputs = { self.nodes[0].getnewaddress() : 2.2 }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
dec_tx = self.nodes[2].decoderawtransaction(rawtx)
rawtxfund = self.nodes[2].fundrawtransaction(rawtx)
fee = rawtxfund['fee']
dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex'])
assert(len(dec_tx['vin']) > 0) #test if we have enough inputs
##############################
# simple test with two coins #
##############################
inputs = [ ]
outputs = { self.nodes[0].getnewaddress() : 2.6 }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
dec_tx = self.nodes[2].decoderawtransaction(rawtx)
rawtxfund = self.nodes[2].fundrawtransaction(rawtx)
fee = rawtxfund['fee']
dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex'])
assert(len(dec_tx['vin']) > 0)
assert_equal(dec_tx['vin'][0]['scriptSig']['hex'], '')
################################
# simple test with two outputs #
################################
inputs = [ ]
outputs = { self.nodes[0].getnewaddress() : 2.6, self.nodes[1].getnewaddress() : 2.5 }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
dec_tx = self.nodes[2].decoderawtransaction(rawtx)
rawtxfund = self.nodes[2].fundrawtransaction(rawtx)
fee = rawtxfund['fee']
dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex'])
totalOut = 0
for out in dec_tx['vout']:
totalOut += out['value']
assert(len(dec_tx['vin']) > 0)
assert_equal(dec_tx['vin'][0]['scriptSig']['hex'], '')
#########################################################################
# test a fundrawtransaction with a VIN greater than the required amount #
#########################################################################
utx = get_unspent(self.nodes[2].listunspent(), 5)
inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']}]
outputs = { self.nodes[0].getnewaddress() : 1.0 }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
dec_tx = self.nodes[2].decoderawtransaction(rawtx)
assert_equal(utx['txid'], dec_tx['vin'][0]['txid'])
rawtxfund = self.nodes[2].fundrawtransaction(rawtx)
fee = rawtxfund['fee']
dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex'])
totalOut = 0
for out in dec_tx['vout']:
totalOut += out['value']
assert_equal(fee + totalOut, utx['amount']) #compare vin total and totalout+fee
#####################################################################
# test a fundrawtransaction with which will not get a change output #
#####################################################################
utx = get_unspent(self.nodes[2].listunspent(), 5)
inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']}]
outputs = { self.nodes[0].getnewaddress() : Decimal(5.0) - fee - feeTolerance }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
dec_tx = self.nodes[2].decoderawtransaction(rawtx)
assert_equal(utx['txid'], dec_tx['vin'][0]['txid'])
rawtxfund = self.nodes[2].fundrawtransaction(rawtx)
fee = rawtxfund['fee']
dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex'])
totalOut = 0
for out in dec_tx['vout']:
totalOut += out['value']
assert_equal(rawtxfund['changepos'], -1)
assert_equal(fee + totalOut, utx['amount']) #compare vin total and totalout+fee
####################################################
# test a fundrawtransaction with an invalid option #
####################################################
utx = get_unspent(self.nodes[2].listunspent(), 5)
inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']} ]
outputs = { self.nodes[0].getnewaddress() : Decimal(4.0) }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
dec_tx = self.nodes[2].decoderawtransaction(rawtx)
assert_equal(utx['txid'], dec_tx['vin'][0]['txid'])
assert_raises_jsonrpc(-3, "Unexpected key foo", self.nodes[2].fundrawtransaction, rawtx, {'foo':'bar'})
############################################################
# test a fundrawtransaction with an invalid change address #
############################################################
utx = get_unspent(self.nodes[2].listunspent(), 5)
inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']} ]
outputs = { self.nodes[0].getnewaddress() : Decimal(4.0) }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
dec_tx = self.nodes[2].decoderawtransaction(rawtx)
assert_equal(utx['txid'], dec_tx['vin'][0]['txid'])
assert_raises_jsonrpc(-5, "changeAddress must be a valid bitcoin address", self.nodes[2].fundrawtransaction, rawtx, {'changeAddress':'foobar'})
############################################################
# test a fundrawtransaction with a provided change address #
############################################################
utx = get_unspent(self.nodes[2].listunspent(), 5)
inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']} ]
outputs = { self.nodes[0].getnewaddress() : Decimal(4.0) }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
dec_tx = self.nodes[2].decoderawtransaction(rawtx)
assert_equal(utx['txid'], dec_tx['vin'][0]['txid'])
change = self.nodes[2].getnewaddress()
assert_raises_jsonrpc(-8, "changePosition out of bounds", self.nodes[2].fundrawtransaction, rawtx, {'changeAddress':change, 'changePosition':2})
rawtxfund = self.nodes[2].fundrawtransaction(rawtx, {'changeAddress': change, 'changePosition': 0})
dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex'])
out = dec_tx['vout'][0]
assert_equal(change, out['scriptPubKey']['addresses'][0])
#########################################################################
# test a fundrawtransaction with a VIN smaller than the required amount #
#########################################################################
utx = get_unspent(self.nodes[2].listunspent(), 1)
inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']}]
outputs = { self.nodes[0].getnewaddress() : 1.0 }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
# 4-byte version + 1-byte vin count + 36-byte prevout then script_len
rawtx = rawtx[:82] + "0100" + rawtx[84:]
dec_tx = self.nodes[2].decoderawtransaction(rawtx)
assert_equal(utx['txid'], dec_tx['vin'][0]['txid'])
assert_equal("00", dec_tx['vin'][0]['scriptSig']['hex'])
rawtxfund = self.nodes[2].fundrawtransaction(rawtx)
fee = rawtxfund['fee']
dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex'])
totalOut = 0
matchingOuts = 0
for i, out in enumerate(dec_tx['vout']):
totalOut += out['value']
if out['scriptPubKey']['addresses'][0] in outputs:
matchingOuts+=1
else:
assert_equal(i, rawtxfund['changepos'])
assert_equal(utx['txid'], dec_tx['vin'][0]['txid'])
assert_equal("00", dec_tx['vin'][0]['scriptSig']['hex'])
assert_equal(matchingOuts, 1)
assert_equal(len(dec_tx['vout']), 2)
###########################################
# test a fundrawtransaction with two VINs #
###########################################
utx = get_unspent(self.nodes[2].listunspent(), 1)
utx2 = get_unspent(self.nodes[2].listunspent(), 5)
inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']},{'txid' : utx2['txid'], 'vout' : utx2['vout']} ]
outputs = { self.nodes[0].getnewaddress() : 6.0 }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
dec_tx = self.nodes[2].decoderawtransaction(rawtx)
assert_equal(utx['txid'], dec_tx['vin'][0]['txid'])
rawtxfund = self.nodes[2].fundrawtransaction(rawtx)
fee = rawtxfund['fee']
dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex'])
totalOut = 0
matchingOuts = 0
for out in dec_tx['vout']:
totalOut += out['value']
if out['scriptPubKey']['addresses'][0] in outputs:
matchingOuts+=1
assert_equal(matchingOuts, 1)
assert_equal(len(dec_tx['vout']), 2)
matchingIns = 0
for vinOut in dec_tx['vin']:
for vinIn in inputs:
if vinIn['txid'] == vinOut['txid']:
matchingIns+=1
assert_equal(matchingIns, 2) #we now must see two vins identical to vins given as params
#########################################################
# test a fundrawtransaction with two VINs and two vOUTs #
#########################################################
utx = get_unspent(self.nodes[2].listunspent(), 1)
utx2 = get_unspent(self.nodes[2].listunspent(), 5)
inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']},{'txid' : utx2['txid'], 'vout' : utx2['vout']} ]
outputs = { self.nodes[0].getnewaddress() : 6.0, self.nodes[0].getnewaddress() : 1.0 }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
dec_tx = self.nodes[2].decoderawtransaction(rawtx)
assert_equal(utx['txid'], dec_tx['vin'][0]['txid'])
rawtxfund = self.nodes[2].fundrawtransaction(rawtx)
fee = rawtxfund['fee']
dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex'])
totalOut = 0
matchingOuts = 0
for out in dec_tx['vout']:
totalOut += out['value']
if out['scriptPubKey']['addresses'][0] in outputs:
matchingOuts+=1
assert_equal(matchingOuts, 2)
assert_equal(len(dec_tx['vout']), 3)
##############################################
# test a fundrawtransaction with invalid vin #
##############################################
listunspent = self.nodes[2].listunspent()
inputs = [ {'txid' : "1c7f966dab21119bac53213a2bc7532bff1fa844c124fd750a7d0b1332440bd1", 'vout' : 0} ] #invalid vin!
outputs = { self.nodes[0].getnewaddress() : 1.0}
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
dec_tx = self.nodes[2].decoderawtransaction(rawtx)
assert_raises_jsonrpc(-4, "Insufficient funds", self.nodes[2].fundrawtransaction, rawtx)
############################################################
#compare fee of a standard pubkeyhash transaction
inputs = []
outputs = {self.nodes[1].getnewaddress():1.1}
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
fundedTx = self.nodes[0].fundrawtransaction(rawtx)
#create same transaction over sendtoaddress
txId = self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 1.1)
signedFee = self.nodes[0].getrawmempool(True)[txId]['fee']
#compare fee
feeDelta = Decimal(fundedTx['fee']) - Decimal(signedFee)
assert(feeDelta >= 0 and feeDelta <= feeTolerance)
############################################################
############################################################
#compare fee of a standard pubkeyhash transaction with multiple outputs
inputs = []
outputs = {self.nodes[1].getnewaddress():1.1,self.nodes[1].getnewaddress():1.2,self.nodes[1].getnewaddress():0.1,self.nodes[1].getnewaddress():1.3,self.nodes[1].getnewaddress():0.2,self.nodes[1].getnewaddress():0.3}
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
fundedTx = self.nodes[0].fundrawtransaction(rawtx)
#create same transaction over sendtoaddress
txId = self.nodes[0].sendmany("", outputs)
signedFee = self.nodes[0].getrawmempool(True)[txId]['fee']
#compare fee
feeDelta = Decimal(fundedTx['fee']) - Decimal(signedFee)
assert(feeDelta >= 0 and feeDelta <= feeTolerance)
############################################################
############################################################
#compare fee of a 2of2 multisig p2sh transaction
# create 2of2 addr
addr1 = self.nodes[1].getnewaddress()
addr2 = self.nodes[1].getnewaddress()
addr1Obj = self.nodes[1].validateaddress(addr1)
addr2Obj = self.nodes[1].validateaddress(addr2)
mSigObj = self.nodes[1].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey']])
inputs = []
outputs = {mSigObj:1.1}
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
fundedTx = self.nodes[0].fundrawtransaction(rawtx)
#create same transaction over sendtoaddress
txId = self.nodes[0].sendtoaddress(mSigObj, 1.1)
signedFee = self.nodes[0].getrawmempool(True)[txId]['fee']
#compare fee
feeDelta = Decimal(fundedTx['fee']) - Decimal(signedFee)
assert(feeDelta >= 0 and feeDelta <= feeTolerance)
############################################################
############################################################
#compare fee of a standard pubkeyhash transaction
# create 4of5 addr
addr1 = self.nodes[1].getnewaddress()
addr2 = self.nodes[1].getnewaddress()
addr3 = self.nodes[1].getnewaddress()
addr4 = self.nodes[1].getnewaddress()
addr5 = self.nodes[1].getnewaddress()
addr1Obj = self.nodes[1].validateaddress(addr1)
addr2Obj = self.nodes[1].validateaddress(addr2)
addr3Obj = self.nodes[1].validateaddress(addr3)
addr4Obj = self.nodes[1].validateaddress(addr4)
addr5Obj = self.nodes[1].validateaddress(addr5)
mSigObj = self.nodes[1].addmultisigaddress(4, [addr1Obj['pubkey'], addr2Obj['pubkey'], addr3Obj['pubkey'], addr4Obj['pubkey'], addr5Obj['pubkey']])
inputs = []
outputs = {mSigObj:1.1}
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
fundedTx = self.nodes[0].fundrawtransaction(rawtx)
#create same transaction over sendtoaddress
txId = self.nodes[0].sendtoaddress(mSigObj, 1.1)
signedFee = self.nodes[0].getrawmempool(True)[txId]['fee']
#compare fee
feeDelta = Decimal(fundedTx['fee']) - Decimal(signedFee)
assert(feeDelta >= 0 and feeDelta <= feeTolerance)
############################################################
############################################################
# spend a 2of2 multisig transaction over fundraw
# create 2of2 addr
addr1 = self.nodes[2].getnewaddress()
addr2 = self.nodes[2].getnewaddress()
addr1Obj = self.nodes[2].validateaddress(addr1)
addr2Obj = self.nodes[2].validateaddress(addr2)
mSigObj = self.nodes[2].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey']])
# send 1.2 BTC to msig addr
txId = self.nodes[0].sendtoaddress(mSigObj, 1.2)
self.sync_all()
self.nodes[1].generate(1)
self.sync_all()
oldBalance = self.nodes[1].getbalance()
inputs = []
outputs = {self.nodes[1].getnewaddress():1.1}
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
fundedTx = self.nodes[2].fundrawtransaction(rawtx)
signedTx = self.nodes[2].signrawtransaction(fundedTx['hex'])
txId = self.nodes[2].sendrawtransaction(signedTx['hex'])
self.sync_all()
self.nodes[1].generate(1)
self.sync_all()
# make sure funds are received at node1
assert_equal(oldBalance+Decimal('1.10000000'), self.nodes[1].getbalance())
############################################################
# locked wallet test
self.nodes[1].encryptwallet("test")
self.nodes.pop(1)
stop_node(self.nodes[0], 0)
stop_node(self.nodes[1], 2)
stop_node(self.nodes[2], 3)
self.nodes = start_nodes(self.num_nodes, self.options.tmpdir)
# This test is not meant to test fee estimation and we'd like
# to be sure all txs are sent at a consistent desired feerate
for node in self.nodes:
node.settxfee(min_relay_tx_fee)
connect_nodes_bi(self.nodes,0,1)
connect_nodes_bi(self.nodes,1,2)
connect_nodes_bi(self.nodes,0,2)
connect_nodes_bi(self.nodes,0,3)
self.is_network_split=False
self.sync_all()
# drain the keypool
self.nodes[1].getnewaddress()
self.nodes[1].getrawchangeaddress()
inputs = []
outputs = {self.nodes[0].getnewaddress():1.1}
rawtx = self.nodes[1].createrawtransaction(inputs, outputs)
# fund a transaction that requires a new key for the change output
# creating the key must be impossible because the wallet is locked
assert_raises_jsonrpc(-4, "Keypool ran out, please call keypoolrefill first", self.nodes[1].fundrawtransaction, rawtx)
#refill the keypool
self.nodes[1].walletpassphrase("test", 100)
self.nodes[1].keypoolrefill(8) #need to refill the keypool to get an internal change address
self.nodes[1].walletlock()
assert_raises_jsonrpc(-13, "walletpassphrase", self.nodes[1].sendtoaddress, self.nodes[0].getnewaddress(), 1.2)
oldBalance = self.nodes[0].getbalance()
inputs = []
outputs = {self.nodes[0].getnewaddress():1.1}
rawtx = self.nodes[1].createrawtransaction(inputs, outputs)
fundedTx = self.nodes[1].fundrawtransaction(rawtx)
#now we need to unlock
self.nodes[1].walletpassphrase("test", 600)
signedTx = self.nodes[1].signrawtransaction(fundedTx['hex'])
txId = self.nodes[1].sendrawtransaction(signedTx['hex'])
self.nodes[1].generate(1)
self.sync_all()
# make sure funds are received at node1
assert_equal(oldBalance+Decimal('51.10000000'), self.nodes[0].getbalance())
###############################################
# multiple (~19) inputs tx test | Compare fee #
###############################################
#empty node1, send some small coins from node0 to node1
self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), self.nodes[1].getbalance(), "", "", True)
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
for i in range(0,20):
self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 0.01)
self.nodes[0].generate(1)
self.sync_all()
#fund a tx with ~20 small inputs
inputs = []
outputs = {self.nodes[0].getnewaddress():0.15,self.nodes[0].getnewaddress():0.04}
rawtx = self.nodes[1].createrawtransaction(inputs, outputs)
fundedTx = self.nodes[1].fundrawtransaction(rawtx)
#create same transaction over sendtoaddress
txId = self.nodes[1].sendmany("", outputs)
signedFee = self.nodes[1].getrawmempool(True)[txId]['fee']
#compare fee
feeDelta = Decimal(fundedTx['fee']) - Decimal(signedFee)
assert(feeDelta >= 0 and feeDelta <= feeTolerance*19) #~19 inputs
#############################################
# multiple (~19) inputs tx test | sign/send #
#############################################
#again, empty node1, send some small coins from node0 to node1
self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), self.nodes[1].getbalance(), "", "", True)
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
for i in range(0,20):
self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 0.01)
self.nodes[0].generate(1)
self.sync_all()
#fund a tx with ~20 small inputs
oldBalance = self.nodes[0].getbalance()
inputs = []
outputs = {self.nodes[0].getnewaddress():0.15,self.nodes[0].getnewaddress():0.04}
rawtx = self.nodes[1].createrawtransaction(inputs, outputs)
fundedTx = self.nodes[1].fundrawtransaction(rawtx)
fundedAndSignedTx = self.nodes[1].signrawtransaction(fundedTx['hex'])
txId = self.nodes[1].sendrawtransaction(fundedAndSignedTx['hex'])
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
assert_equal(oldBalance+Decimal('50.19000000'), self.nodes[0].getbalance()) #0.19+block reward
#####################################################
# test fundrawtransaction with OP_RETURN and no vin #
#####################################################
rawtx = "0100000000010000000000000000066a047465737400000000"
dec_tx = self.nodes[2].decoderawtransaction(rawtx)
assert_equal(len(dec_tx['vin']), 0)
assert_equal(len(dec_tx['vout']), 1)
rawtxfund = self.nodes[2].fundrawtransaction(rawtx)
dec_tx = self.nodes[2].decoderawtransaction(rawtxfund['hex'])
assert_greater_than(len(dec_tx['vin']), 0) # at least one vin
assert_equal(len(dec_tx['vout']), 2) # one change output added
##################################################
# test a fundrawtransaction using only watchonly #
##################################################
inputs = []
outputs = {self.nodes[2].getnewaddress() : watchonly_amount / 2}
rawtx = self.nodes[3].createrawtransaction(inputs, outputs)
result = self.nodes[3].fundrawtransaction(rawtx, {'includeWatching': True })
res_dec = self.nodes[0].decoderawtransaction(result["hex"])
assert_equal(len(res_dec["vin"]), 1)
assert_equal(res_dec["vin"][0]["txid"], watchonly_txid)
assert("fee" in result.keys())
assert_greater_than(result["changepos"], -1)
###############################################################
# test fundrawtransaction using the entirety of watched funds #
###############################################################
inputs = []
outputs = {self.nodes[2].getnewaddress() : watchonly_amount}
rawtx = self.nodes[3].createrawtransaction(inputs, outputs)
# Backward compatibility test (2nd param is includeWatching)
result = self.nodes[3].fundrawtransaction(rawtx, True)
res_dec = self.nodes[0].decoderawtransaction(result["hex"])
assert_equal(len(res_dec["vin"]), 2)
assert(res_dec["vin"][0]["txid"] == watchonly_txid or res_dec["vin"][1]["txid"] == watchonly_txid)
assert_greater_than(result["fee"], 0)
assert_greater_than(result["changepos"], -1)
assert_equal(result["fee"] + res_dec["vout"][result["changepos"]]["value"], watchonly_amount / 10)
signedtx = self.nodes[3].signrawtransaction(result["hex"])
assert(not signedtx["complete"])
signedtx = self.nodes[0].signrawtransaction(signedtx["hex"])
assert(signedtx["complete"])
self.nodes[0].sendrawtransaction(signedtx["hex"])
self.nodes[0].generate(1)
self.sync_all()
#######################
# Test feeRate option #
#######################
# Make sure there is exactly one input so coin selection can't skew the result
assert_equal(len(self.nodes[3].listunspent(1)), 1)
inputs = []
outputs = {self.nodes[3].getnewaddress() : 1}
rawtx = self.nodes[3].createrawtransaction(inputs, outputs)
result = self.nodes[3].fundrawtransaction(rawtx) # uses min_relay_tx_fee (set by settxfee)
result2 = self.nodes[3].fundrawtransaction(rawtx, {"feeRate": 2*min_relay_tx_fee})
result3 = self.nodes[3].fundrawtransaction(rawtx, {"feeRate": 10*min_relay_tx_fee})
result_fee_rate = result['fee'] * 1000 / count_bytes(result['hex'])
assert_fee_amount(result2['fee'], count_bytes(result2['hex']), 2 * result_fee_rate)
assert_fee_amount(result3['fee'], count_bytes(result3['hex']), 10 * result_fee_rate)
#############################
# Test address reuse option #
#############################
result3 = self.nodes[3].fundrawtransaction(rawtx, {"reserveChangeKey": False})
res_dec = self.nodes[0].decoderawtransaction(result3["hex"])
changeaddress = ""
for out in res_dec['vout']:
if out['value'] > 1.0:
changeaddress += out['scriptPubKey']['addresses'][0]
assert(changeaddress != "")
nextaddr = self.nodes[3].getrawchangeaddress()
# frt should not have removed the key from the keypool
assert(changeaddress == nextaddr)
result3 = self.nodes[3].fundrawtransaction(rawtx)
res_dec = self.nodes[0].decoderawtransaction(result3["hex"])
changeaddress = ""
for out in res_dec['vout']:
if out['value'] > 1.0:
changeaddress += out['scriptPubKey']['addresses'][0]
assert(changeaddress != "")
nextaddr = self.nodes[3].getnewaddress()
# Now the change address key should be removed from the keypool
assert(changeaddress != nextaddr)
######################################
# Test subtractFeeFromOutputs option #
######################################
# Make sure there is exactly one input so coin selection can't skew the result
assert_equal(len(self.nodes[3].listunspent(1)), 1)
inputs = []
outputs = {self.nodes[2].getnewaddress(): 1}
rawtx = self.nodes[3].createrawtransaction(inputs, outputs)
result = [self.nodes[3].fundrawtransaction(rawtx), # uses min_relay_tx_fee (set by settxfee)
self.nodes[3].fundrawtransaction(rawtx, {"subtractFeeFromOutputs": []}), # empty subtraction list
self.nodes[3].fundrawtransaction(rawtx, {"subtractFeeFromOutputs": [0]}), # uses min_relay_tx_fee (set by settxfee)
self.nodes[3].fundrawtransaction(rawtx, {"feeRate": 2*min_relay_tx_fee}),
self.nodes[3].fundrawtransaction(rawtx, {"feeRate": 2*min_relay_tx_fee, "subtractFeeFromOutputs": [0]})]
dec_tx = [self.nodes[3].decoderawtransaction(tx['hex']) for tx in result]
output = [d['vout'][1 - r['changepos']]['value'] for d, r in zip(dec_tx, result)]
change = [d['vout'][r['changepos']]['value'] for d, r in zip(dec_tx, result)]
assert_equal(result[0]['fee'], result[1]['fee'], result[2]['fee'])
assert_equal(result[3]['fee'], result[4]['fee'])
assert_equal(change[0], change[1])
assert_equal(output[0], output[1])
assert_equal(output[0], output[2] + result[2]['fee'])
assert_equal(change[0] + result[0]['fee'], change[2])
assert_equal(output[3], output[4] + result[4]['fee'])
assert_equal(change[3] + result[3]['fee'], change[4])
inputs = []
outputs = {self.nodes[2].getnewaddress(): value for value in (1.0, 1.1, 1.2, 1.3)}
rawtx = self.nodes[3].createrawtransaction(inputs, outputs)
result = [self.nodes[3].fundrawtransaction(rawtx),
# split the fee between outputs 0, 2, and 3, but not output 1
self.nodes[3].fundrawtransaction(rawtx, {"subtractFeeFromOutputs": [0, 2, 3]})]
dec_tx = [self.nodes[3].decoderawtransaction(result[0]['hex']),
self.nodes[3].decoderawtransaction(result[1]['hex'])]
# Nested list of non-change output amounts for each transaction
output = [[out['value'] for i, out in enumerate(d['vout']) if i != r['changepos']]
for d, r in zip(dec_tx, result)]
# List of differences in output amounts between normal and subtractFee transactions
share = [o0 - o1 for o0, o1 in zip(output[0], output[1])]
# output 1 is the same in both transactions
assert_equal(share[1], 0)
# the other 3 outputs are smaller as a result of subtractFeeFromOutputs
assert_greater_than(share[0], 0)
assert_greater_than(share[2], 0)
assert_greater_than(share[3], 0)
# outputs 2 and 3 take the same share of the fee
assert_equal(share[2], share[3])
# output 0 takes at least as much share of the fee, and no more than 2 satoshis more, than outputs 2 and 3
assert_greater_than_or_equal(share[0], share[2])
assert_greater_than_or_equal(share[2] + Decimal(2e-8), share[0])
# the fee is the same in both transactions
assert_equal(result[0]['fee'], result[1]['fee'])
# the total subtracted from the outputs is equal to the fee
assert_equal(share[0] + share[2] + share[3], result[0]['fee'])
if __name__ == '__main__':
RawTransactionsTest().main()
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