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#!/usr/bin/env python3
# Copyright (c) 2020 The Bitcoin developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""
Tests for Bitcoin ABC mining RPCs
"""
from test_framework.cdefs import (
BLOCK_MAXBYTES_MAXSIGCHECKS_RATIO,
DEFAULT_MAX_BLOCK_SIZE,
)
from test_framework.messages import XEC
from test_framework.p2p import P2PInterface
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal, assert_greater_than_or_equal
MINER_FUND_ADDR = 'ecregtest:prfhcnyqnl5cgrnmlfmms675w93ld7mvvq9jcw0zsn'
MINER_FUND_LEGACY_ADDR = '2NCXTUCFd1Q3EteVpVVDTrBBoKqvMPAoeEn'
class AbcMiningRPCTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 4
self.extra_args = [
[
'-enableminerfund',
], [
'-enableminerfund',
'-usecashaddr=0',
],
] * 2
def setup_network(self):
self.setup_nodes()
# Don't connect the nodes
def run_for_node(self, node, minerFundAddress):
# Connect to a peer so getblocktemplate will return results
# (getblocktemplate has a sanity check that ensures it's connected to a
# network).
node.add_p2p_connection(P2PInterface())
# Assert the results of getblocktemplate have expected values. Keys not
# in 'expected' are not checked.
def assert_getblocktemplate(expected):
# Always test these values in addition to those passed in
expected = {**expected, **{
'sigoplimit': DEFAULT_MAX_BLOCK_SIZE // BLOCK_MAXBYTES_MAXSIGCHECKS_RATIO,
}}
blockTemplate = node.getblocktemplate()
for key, value in expected.items():
assert_equal(blockTemplate[key], value)
def get_best_coinbase():
return node.getblock(node.getbestblockhash(), 2)['tx'][0]
coinbase = get_best_coinbase()
assert_greater_than_or_equal(len(coinbase['vout']), 2)
block_reward = sum([vout['value'] for vout in coinbase['vout']])
assert_equal(node.getmempoolinfo()['size'], 0)
assert_getblocktemplate({
'coinbasetxn': {
'minerfund': {
'addresses': [minerFundAddress],
'minimumvalue': block_reward * 8 // 100 * XEC,
},
},
# Although the coinbase value need not necessarily be the same as
# the last block due to halvings and fees, we know this to be true
# since we are not crossing a halving boundary and there are no
# transactions in the mempool.
'coinbasevalue': block_reward * XEC,
})
def run_test(self):
self.run_for_node(
self.nodes[0],
MINER_FUND_ADDR,
)
self.run_for_node(
self.nodes[1],
MINER_FUND_LEGACY_ADDR,
)
if __name__ == '__main__':
AbcMiningRPCTest().main()

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