Differential D7230 Diff 23014 test/functional/abc_mining_basic.py

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test/functional/abc_mining_basic.py

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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.messages import (
				COIN,
				)
				from test_framework.test_framework import BitcoinTestFramework
				from test_framework.util import (
				assert_equal,
				assert_greater_than_or_equal,
				)

				from decimal import Decimal

				AXION_ACTIVATION_TIME = 2000000600


				class AbcMiningRPCTest(BitcoinTestFramework):
				def set_test_params(self):
				self.num_nodes = 2
				self.extra_args = [[
				'-enableminerfund',
				'-axionactivationtime={}'.format(AXION_ACTIVATION_TIME),
				], []]

				def run_test(self):
				node = self.nodes[0]
				address = node.get_deterministic_priv_key().address

				# Move MTP forward to axion activation
				node.setmocktime(AXION_ACTIVATION_TIME)
				node.generatetoaddress(6, address)
				assert_equal(
				node.getblockchaininfo()['mediantime'],
				AXION_ACTIVATION_TIME)

				# Assert the results of getblocktemplate have expected values. Keys not
				# in 'expected' are not checked.
				def assert_getblocktemplate(expected):
				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_equal(len(coinbase['vout']), 1)
				block_reward = coinbase['vout'][0]['value']

				# We don't need to test all fields in getblocktemplate since many of
				# them are covered in mining_basic.py
				assert_equal(node.getmempoolinfo()['size'], 0)
				assert_getblocktemplate({
				# 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 * COIN,
				})

				# First block with the new rules
				node.generatetoaddress(1, address)

				# We expect the coinbase to have multiple outputs now
				coinbase = get_best_coinbase()
				assert_greater_than_or_equal(len(coinbase['vout']), 2)
				total = Decimal()
				for o in coinbase['vout']:
				total += o['value']

				assert_equal(total, block_reward)
				assert_getblocktemplate({
				# Again, we assume the coinbase value is the same as prior blocks.
				'coinbasevalue': block_reward * COIN,
				})


				if __name__ == '__main__':
				AbcMiningRPCTest().main()