From 3150b3fea732df23c6273f43102cc64783aaee9c Mon Sep 17 00:00:00 2001 From: Anthony Towns Date: Thu, 25 Jan 2018 09:44:30 +1000 Subject: [tests] Rename misc functional tests. --- test/functional/mining_basic.py | 135 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 135 insertions(+) create mode 100755 test/functional/mining_basic.py (limited to 'test/functional/mining_basic.py') diff --git a/test/functional/mining_basic.py b/test/functional/mining_basic.py new file mode 100755 index 0000000000..569bf71933 --- /dev/null +++ b/test/functional/mining_basic.py @@ -0,0 +1,135 @@ +#!/usr/bin/env python3 +# Copyright (c) 2014-2017 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 mining RPCs + +- getmininginfo +- getblocktemplate proposal mode +- submitblock""" + +import copy +from binascii import b2a_hex +from decimal import Decimal + +from test_framework.blocktools import create_coinbase +from test_framework.mininode import CBlock +from test_framework.test_framework import BitcoinTestFramework +from test_framework.util import assert_equal, assert_raises_rpc_error + +def b2x(b): + return b2a_hex(b).decode('ascii') + +def assert_template(node, block, expect, rehash=True): + if rehash: + block.hashMerkleRoot = block.calc_merkle_root() + rsp = node.getblocktemplate({'data': b2x(block.serialize()), 'mode': 'proposal'}) + assert_equal(rsp, expect) + +class MiningTest(BitcoinTestFramework): + def set_test_params(self): + self.num_nodes = 2 + self.setup_clean_chain = False + + def run_test(self): + node = self.nodes[0] + + self.log.info('getmininginfo') + mining_info = node.getmininginfo() + assert_equal(mining_info['blocks'], 200) + assert_equal(mining_info['chain'], 'regtest') + assert_equal(mining_info['currentblocktx'], 0) + assert_equal(mining_info['currentblockweight'], 0) + assert_equal(mining_info['difficulty'], Decimal('4.656542373906925E-10')) + assert_equal(mining_info['networkhashps'], Decimal('0.003333333333333334')) + assert_equal(mining_info['pooledtx'], 0) + + # Mine a block to leave initial block download + node.generate(1) + tmpl = node.getblocktemplate() + self.log.info("getblocktemplate: Test capability advertised") + assert 'proposal' in tmpl['capabilities'] + assert 'coinbasetxn' not in tmpl + + coinbase_tx = create_coinbase(height=int(tmpl["height"]) + 1) + # sequence numbers must not be max for nLockTime to have effect + coinbase_tx.vin[0].nSequence = 2 ** 32 - 2 + coinbase_tx.rehash() + + block = CBlock() + block.nVersion = tmpl["version"] + block.hashPrevBlock = int(tmpl["previousblockhash"], 16) + block.nTime = tmpl["curtime"] + block.nBits = int(tmpl["bits"], 16) + block.nNonce = 0 + block.vtx = [coinbase_tx] + + self.log.info("getblocktemplate: Test valid block") + assert_template(node, block, None) + + self.log.info("submitblock: Test block decode failure") + assert_raises_rpc_error(-22, "Block decode failed", node.submitblock, b2x(block.serialize()[:-15])) + + self.log.info("getblocktemplate: Test bad input hash for coinbase transaction") + bad_block = copy.deepcopy(block) + bad_block.vtx[0].vin[0].prevout.hash += 1 + bad_block.vtx[0].rehash() + assert_template(node, bad_block, 'bad-cb-missing') + + self.log.info("submitblock: Test invalid coinbase transaction") + assert_raises_rpc_error(-22, "Block does not start with a coinbase", node.submitblock, b2x(bad_block.serialize())) + + self.log.info("getblocktemplate: Test truncated final transaction") + assert_raises_rpc_error(-22, "Block decode failed", node.getblocktemplate, {'data': b2x(block.serialize()[:-1]), 'mode': 'proposal'}) + + self.log.info("getblocktemplate: Test duplicate transaction") + bad_block = copy.deepcopy(block) + bad_block.vtx.append(bad_block.vtx[0]) + assert_template(node, bad_block, 'bad-txns-duplicate') + + self.log.info("getblocktemplate: Test invalid transaction") + bad_block = copy.deepcopy(block) + bad_tx = copy.deepcopy(bad_block.vtx[0]) + bad_tx.vin[0].prevout.hash = 255 + bad_tx.rehash() + bad_block.vtx.append(bad_tx) + assert_template(node, bad_block, 'bad-txns-inputs-missingorspent') + + self.log.info("getblocktemplate: Test nonfinal transaction") + bad_block = copy.deepcopy(block) + bad_block.vtx[0].nLockTime = 2 ** 32 - 1 + bad_block.vtx[0].rehash() + assert_template(node, bad_block, 'bad-txns-nonfinal') + + self.log.info("getblocktemplate: Test bad tx count") + # The tx count is immediately after the block header + TX_COUNT_OFFSET = 80 + bad_block_sn = bytearray(block.serialize()) + assert_equal(bad_block_sn[TX_COUNT_OFFSET], 1) + bad_block_sn[TX_COUNT_OFFSET] += 1 + assert_raises_rpc_error(-22, "Block decode failed", node.getblocktemplate, {'data': b2x(bad_block_sn), 'mode': 'proposal'}) + + self.log.info("getblocktemplate: Test bad bits") + bad_block = copy.deepcopy(block) + bad_block.nBits = 469762303 # impossible in the real world + assert_template(node, bad_block, 'bad-diffbits') + + self.log.info("getblocktemplate: Test bad merkle root") + bad_block = copy.deepcopy(block) + bad_block.hashMerkleRoot += 1 + assert_template(node, bad_block, 'bad-txnmrklroot', False) + + self.log.info("getblocktemplate: Test bad timestamps") + bad_block = copy.deepcopy(block) + bad_block.nTime = 2 ** 31 - 1 + assert_template(node, bad_block, 'time-too-new') + bad_block.nTime = 0 + assert_template(node, bad_block, 'time-too-old') + + self.log.info("getblocktemplate: Test not best block") + bad_block = copy.deepcopy(block) + bad_block.hashPrevBlock = 123 + assert_template(node, bad_block, 'inconclusive-not-best-prevblk') + +if __name__ == '__main__': + MiningTest().main() -- cgit v1.2.3