#!/usr/bin/env python3 # Copyright (c) 2018-2019 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 wallet balance RPC methods.""" from decimal import Decimal import struct from test_framework.address import ADDRESS_BCRT1_UNSPENDABLE as ADDRESS_WATCHONLY from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_equal, assert_raises_rpc_error, connect_nodes, sync_blocks, ) def create_transactions(node, address, amt, fees): # Create and sign raw transactions from node to address for amt. # Creates a transaction for each fee and returns an array # of the raw transactions. unspents = node.listunspent(0) utxos = [u for u in unspents if u['spendable'] and u['safe']] # Create transactions inputs = [] ins_total = 0 for utxo in utxos: inputs.append({"txid": utxo["txid"], "vout": utxo["vout"]}) ins_total += utxo['amount'] if ins_total >= amt + max(fees): break # make sure there was enough utxos assert ins_total >= amt + max(fees) txs = [] for fee in fees: outputs = {address: amt} # prevent 0 change output if ins_total > amt + fee: outputs[node.getrawchangeaddress()] = ins_total - amt - fee raw_tx = node.createrawtransaction(inputs, outputs, 0, True) raw_tx = node.signrawtransactionwithwallet(raw_tx) assert_equal(raw_tx['complete'], True) txs.append(raw_tx) return txs class WalletTest(BitcoinTestFramework): def set_test_params(self): self.num_nodes = 2 self.setup_clean_chain = True self.extra_args = [ ['-limitdescendantcount=3', '-segwitheight=0', # Limit mempool descendants as a hack to have wallet txs rejected from the mempool '-whitelist=127.0.0.1'], ['-segwitheight=0', '-whitelist=127.0.0.1'] ] def skip_test_if_missing_module(self): self.skip_if_no_wallet() def run_test(self): self.nodes[0].importaddress(ADDRESS_WATCHONLY) # Check that nodes don't own any UTXOs assert_equal(len(self.nodes[0].listunspent()), 0) assert_equal(len(self.nodes[1].listunspent()), 0) self.log.info("Check that only node 0 is watching an address") assert 'watchonly' in self.nodes[0].getbalances() assert 'watchonly' not in self.nodes[1].getbalances() self.log.info("Mining blocks ...") self.nodes[0].generate(1) self.sync_all() self.nodes[1].generate(1) self.nodes[1].generatetoaddress(101, ADDRESS_WATCHONLY) self.sync_all() assert_equal(self.nodes[0].getbalances()['mine']['trusted'], 1) assert_equal(self.nodes[0].getwalletinfo()['balance'], 1) assert_equal(self.nodes[1].getbalances()['mine']['trusted'], 1) assert_equal(self.nodes[0].getbalances()['watchonly']['immature'], 100) assert 'watchonly' not in self.nodes[1].getbalances() self.log.info("Test getbalance with different arguments") assert_equal(self.nodes[0].getbalance("*"), 1) assert_equal(self.nodes[0].getbalance("*", 1), 1) assert_equal(self.nodes[0].getbalance("*", 1, True), 2) assert_equal(self.nodes[0].getbalance(minconf=1), 1) assert_equal(self.nodes[0].getbalance(minconf=0, include_watchonly=True), 2) assert_equal(self.nodes[1].getbalance(minconf=0, include_watchonly=True), 1) # Send 40 BTC from 0 to 1 and 60 BTC from 1 to 0. txs = create_transactions(self.nodes[0], self.nodes[1].getnewaddress(), Decimal('0.4'), [Decimal('0.01')]) self.nodes[0].sendrawtransaction(txs[0]['hex']) self.nodes[1].sendrawtransaction(txs[0]['hex']) # sending on both nodes is faster than waiting for propagation self.sync_all() txs = create_transactions(self.nodes[1], self.nodes[0].getnewaddress(), Decimal('0.6'), [Decimal('0.01'), Decimal('0.02')]) self.nodes[1].sendrawtransaction(txs[0]['hex']) self.nodes[0].sendrawtransaction(txs[0]['hex']) # sending on both nodes is faster than waiting for propagation self.sync_all() # First argument of getbalance must be set to "*" assert_raises_rpc_error(-32, "dummy first argument must be excluded or set to \"*\"", self.nodes[1].getbalance, "") self.log.info("Test getbalance and getunconfirmedbalance with unconfirmed inputs") def test_balances(*, fee_node_1=0): # getbalance without any arguments includes unconfirmed transactions, but not untrusted transactions assert_equal(self.nodes[0].getbalance(), Decimal('0.59')) # change from node 0's send assert_equal(self.nodes[1].getbalance(), Decimal('0.4') - fee_node_1) # change from node 1's send # Same with minconf=0 assert_equal(self.nodes[0].getbalance(minconf=0), Decimal('0.59')) assert_equal(self.nodes[1].getbalance(minconf=0), Decimal('0.4') - fee_node_1) # getbalance with a minconf incorrectly excludes coins that have been spent more recently than the minconf blocks ago # TODO: fix getbalance tracking of coin spentness depth assert_equal(self.nodes[0].getbalance(minconf=1), Decimal('0.00')) assert_equal(self.nodes[1].getbalance(minconf=1), Decimal('0.00')) # getunconfirmedbalance assert_equal(self.nodes[0].getunconfirmedbalance(), Decimal('0.6')) # output of node 1's spend assert_equal(self.nodes[0].getbalances()['mine']['untrusted_pending'], Decimal('0.6')) assert_equal(self.nodes[0].getwalletinfo()["unconfirmed_balance"], Decimal('0.6')) assert_equal(self.nodes[1].getunconfirmedbalance(), Decimal('0.4')) # Doesn't include output of node 0's send since it was spent assert_equal(self.nodes[1].getbalances()['mine']['untrusted_pending'], Decimal('0.4')) assert_equal(self.nodes[1].getwalletinfo()["unconfirmed_balance"], Decimal('0.4')) test_balances(fee_node_1=Decimal('0.01')) # Node 1 bumps the transaction fee and resends self.nodes[1].sendrawtransaction(txs[1]['hex']) self.nodes[0].sendrawtransaction(txs[1]['hex']) # sending on both nodes is faster than waiting for propagation self.sync_all() self.log.info("Test getbalance and getunconfirmedbalance with conflicted unconfirmed inputs") test_balances(fee_node_1=Decimal('0.02')) self.nodes[1].generatetoaddress(1, ADDRESS_WATCHONLY) self.sync_all() # balances are correct after the transactions are confirmed assert_equal(self.nodes[0].getbalance(), Decimal('1.19')) # node 1's send plus change from node 0's send assert_equal(self.nodes[1].getbalance(), Decimal('0.78')) # change from node 0's send # Send total balance away from node 1 txs = create_transactions(self.nodes[1], self.nodes[0].getnewaddress(), Decimal('0.77'), [Decimal('0.01')]) self.nodes[1].sendrawtransaction(txs[0]['hex']) self.nodes[1].generatetoaddress(2, ADDRESS_WATCHONLY) self.sync_all() # getbalance with a minconf incorrectly excludes coins that have been spent more recently than the minconf blocks ago # TODO: fix getbalance tracking of coin spentness depth # getbalance with minconf=3 should still show the old balance assert_equal(self.nodes[1].getbalance(minconf=3), Decimal('0')) # getbalance with minconf=2 will show the new balance. assert_equal(self.nodes[1].getbalance(minconf=2), Decimal('0')) # check mempool transactions count for wallet unconfirmed balance after # dynamically loading the wallet. before = self.nodes[1].getunconfirmedbalance() dst = self.nodes[1].getnewaddress() self.nodes[1].unloadwallet('') self.nodes[0].sendtoaddress(dst, 0.1) self.sync_all() self.nodes[1].loadwallet('') after = self.nodes[1].getunconfirmedbalance() assert_equal(before + Decimal('0.1'), after) # Create 3 more wallet txs, where the last is not accepted to the # mempool because it is the third descendant of the tx above for _ in range(3): # Set amount high enough such that all coins are spent by each tx txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1.5) self.log.info('Check that wallet txs not in the mempool are untrusted') assert txid not in self.nodes[0].getrawmempool() assert_equal(self.nodes[0].gettransaction(txid)['trusted'], False) assert_equal(self.nodes[0].getbalance(minconf=0), 0) self.log.info("Test replacement and reorg of non-mempool tx") tx_orig = self.nodes[0].gettransaction(txid)['hex'] # Increase fee by 1 coin tx_replace = tx_orig.replace( struct.pack("