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* Merge #16509: test: Adapt test framework for chains other than "regtest" faf36838bdba7393960fce6ad0c56dc1f93f5870 test: Avoid hardcoding the chain name in combine_logs (MarcoFalke) fa8a1d7ba30040f8c74f93fc41a61276c255a6a6 test: Adapt test framework for chains other than "regtest" (MarcoFalke) 68f546635d5de2ccfedadeabc7bc79e12e5eca6a test: Fix “local variable 'e' is assigned to but never used” (Ben Woosley) Pull request description: This is required for various work in progress: * testchains #8994 * signet #16411 * some of my locally written tests While it will be unused in the master branch as of now, it will make all of those pull requests shorter. Thus review for non-regtest tests can focus on the actual changes and not some test framework changes. ACKs for top commit: jonatack: ACK faf36838bdba7393960fce6ad0c56dc1f93f5870, ran tests and reviewed the code. Tree-SHA512: 35add66c12cab68f2fac8f7c7d47c604d3f24eae9336ff78f83e2c92b3dc08a25e7f4217199bac5393dd3fb72f945bba9c001d6fbb8efd298c88858075fcb3d6 * Add devnet support for tests * test: make sure devnet can connect to each other and start * Partial merge bitcoin/bitcoin#16681: Tests: Use self.chain instead of 'regtest' in almost all current tests, revert one TODO while at it Co-authored-by: MarcoFalke <falke.marco@gmail.com> Co-authored-by: Jorge Timón <jtimon@jtimon.cc>
136 lines
5.4 KiB
Python
Executable File
136 lines
5.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2014-2016 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test mining RPCs
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- getmininginfo
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- getblocktemplate proposal mode
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- submitblock"""
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import copy
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from binascii import b2a_hex
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from decimal import Decimal
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from test_framework.blocktools import create_coinbase
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from test_framework.mininode import CBlock
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal, assert_raises_rpc_error
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def b2x(b):
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return b2a_hex(b).decode('ascii')
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def assert_template(node, block, expect, rehash=True):
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if rehash:
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block.hashMerkleRoot = block.calc_merkle_root()
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rsp = node.getblocktemplate({'data': b2x(block.serialize()), 'mode': 'proposal'})
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assert_equal(rsp, expect)
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class MiningTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 2
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self.setup_clean_chain = False
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def run_test(self):
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node = self.nodes[0]
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self.log.info('getmininginfo')
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mining_info = node.getmininginfo()
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assert_equal(mining_info['blocks'], 200)
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assert_equal(mining_info['chain'], self.chain)
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assert_equal(mining_info['currentblocksize'], 0)
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assert_equal(mining_info['currentblocktx'], 0)
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assert_equal(mining_info['difficulty'], Decimal('4.656542373906925E-10'))
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assert_equal(mining_info['networkhashps'], Decimal('0.01282051282051282'))
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assert_equal(mining_info['pooledtx'], 0)
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# Mine a block to leave initial block download
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node.generate(1)
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tmpl = node.getblocktemplate()
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self.log.info("getblocktemplate: Test capability advertised")
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assert 'proposal' in tmpl['capabilities']
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assert 'coinbasetxn' not in tmpl
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coinbase_tx = create_coinbase(height=int(tmpl["height"]) + 1)
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# sequence numbers must not be max for nLockTime to have effect
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coinbase_tx.vin[0].nSequence = 2 ** 32 - 2
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coinbase_tx.rehash()
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block = CBlock()
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block.nVersion = tmpl["version"]
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block.hashPrevBlock = int(tmpl["previousblockhash"], 16)
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block.nTime = tmpl["curtime"]
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block.nBits = int(tmpl["bits"], 16)
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block.nNonce = 0
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block.vtx = [coinbase_tx]
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self.log.info("getblocktemplate: Test valid block")
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assert_template(node, block, None)
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self.log.info("submitblock: Test block decode failure")
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assert_raises_rpc_error(-22, "Block decode failed", node.submitblock, b2x(block.serialize()[:-15]))
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self.log.info("getblocktemplate: Test bad input hash for coinbase transaction")
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bad_block = copy.deepcopy(block)
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bad_block.vtx[0].vin[0].prevout.hash += 1
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bad_block.vtx[0].rehash()
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assert_template(node, bad_block, 'bad-cb-missing')
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self.log.info("submitblock: Test invalid coinbase transaction")
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assert_raises_rpc_error(-22, "Block does not start with a coinbase", node.submitblock, b2x(bad_block.serialize()))
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self.log.info("getblocktemplate: Test truncated final transaction")
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assert_raises_rpc_error(-22, "Block decode failed", node.getblocktemplate, {'data': b2x(block.serialize()[:-1]), 'mode': 'proposal'})
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self.log.info("getblocktemplate: Test duplicate transaction")
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bad_block = copy.deepcopy(block)
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bad_block.vtx.append(bad_block.vtx[0])
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assert_template(node, bad_block, 'bad-txns-duplicate')
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self.log.info("getblocktemplate: Test invalid transaction")
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bad_block = copy.deepcopy(block)
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bad_tx = copy.deepcopy(bad_block.vtx[0])
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bad_tx.vin[0].prevout.hash = 255
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bad_tx.rehash()
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bad_block.vtx.append(bad_tx)
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assert_template(node, bad_block, 'bad-txns-inputs-missingorspent')
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self.log.info("getblocktemplate: Test nonfinal transaction")
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bad_block = copy.deepcopy(block)
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bad_block.vtx[0].nLockTime = 2 ** 32 - 1
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bad_block.vtx[0].rehash()
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assert_template(node, bad_block, 'bad-txns-nonfinal')
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self.log.info("getblocktemplate: Test bad tx count")
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# The tx count is immediately after the block header
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TX_COUNT_OFFSET = 80
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bad_block_sn = bytearray(block.serialize())
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assert_equal(bad_block_sn[TX_COUNT_OFFSET], 1)
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bad_block_sn[TX_COUNT_OFFSET] += 1
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assert_raises_rpc_error(-22, "Block decode failed", node.getblocktemplate, {'data': b2x(bad_block_sn), 'mode': 'proposal'})
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self.log.info("getblocktemplate: Test bad bits")
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bad_block = copy.deepcopy(block)
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bad_block.nBits = 469762303 # impossible in the real world
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assert_template(node, bad_block, 'bad-diffbits')
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self.log.info("getblocktemplate: Test bad merkle root")
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bad_block = copy.deepcopy(block)
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bad_block.hashMerkleRoot += 1
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assert_template(node, bad_block, 'bad-txnmrklroot', False)
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self.log.info("getblocktemplate: Test bad timestamps")
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bad_block = copy.deepcopy(block)
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bad_block.nTime = 2 ** 31 - 1
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assert_template(node, bad_block, 'time-too-new')
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bad_block.nTime = 0
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assert_template(node, bad_block, 'time-too-old')
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self.log.info("getblocktemplate: Test not best block")
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bad_block = copy.deepcopy(block)
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bad_block.hashPrevBlock = 123
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assert_template(node, bad_block, 'inconclusive-not-best-prevblk')
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if __name__ == '__main__':
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MiningTest().main()
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