elements/test/functional/feature_connect_coinbase.py

60 lines
3 KiB
Python
Executable file

#!/usr/bin/env python3
# Copyright (c) 2014-2018 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 connecting genesis coinbase"""
from test_framework.messages import COIN
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal, assert_raises_rpc_error
from test_framework.script import OP_TRUE, CScriptOp
NUM_INITIAL_COINS = 50
class ConnectGenesisTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 2
self.setup_clean_chain = True
# First node doesn't connect coinbase output to db, second does
self.extra_args = [["-con_connect_coinbase=0", "-initialfreecoins={}".format(NUM_INITIAL_COINS * COIN)],
["-con_connect_coinbase=1", "-initialfreecoins={}".format(NUM_INITIAL_COINS * COIN), '-anyonecanspendaremine=1']]
def run_test(self):
# Same genesis block
assert_equal(self.nodes[0].getblockhash(0), self.nodes[1].getblockhash(0))
# Different UTXO set
node0_info = self.nodes[0].gettxoutsetinfo()
node1_info = self.nodes[1].gettxoutsetinfo()
print(node0_info)
print(node1_info)
assert_equal(node0_info["txouts"], 0)
assert_equal(node0_info["transactions"], 0)
assert_equal(node0_info["total_amount"], 0)
assert_equal(node1_info["txouts"], 1)
assert_equal(node1_info["transactions"], 1)
assert_equal(node1_info["total_amount"], NUM_INITIAL_COINS)
coinbase_tx = self.nodes[0].getblock(self.nodes[0].getblockhash(0))["tx"][0]
issuance_tx = self.nodes[0].getblock(self.nodes[0].getblockhash(0))["tx"][1]
# Test listunspent
unspent = self.nodes[1].listunspent()
assert_equal(len(unspent), 1)
assert_equal(unspent[0]["vout"], 0)
assert_equal(CScriptOp(int(unspent[0]["scriptPubKey"], 16)), OP_TRUE)
assert_equal(unspent[0]["amount"], NUM_INITIAL_COINS)
assert_equal(unspent[0]["confirmations"], 1)
# Test rpc getraw functionality
# Coinbase transaction is provably unspendable (OP_RETURN), so even AddCoin won't add it
assert_raises_rpc_error(-5, "No such mempool transaction. Use -txindex to enable blockchain transaction queries. Use gettransaction for wallet transactions.", self.nodes[0].getrawtransaction, coinbase_tx)
assert_raises_rpc_error(-5, "No such mempool transaction. Use -txindex to enable blockchain transaction queries. Use gettransaction for wallet transactions.", self.nodes[1].getrawtransaction, coinbase_tx)
# Issuance transaction is an OP_TRUE, so will be available to second node
assert_raises_rpc_error(-5, "No such mempool transaction. Use -txindex to enable blockchain transaction queries. Use gettransaction for wallet transactions.", self.nodes[0].getrawtransaction, issuance_tx)
self.nodes[1].getrawtransaction(issuance_tx)
if __name__ == '__main__':
ConnectGenesisTest().main()