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Merge #10190: [tests] mining functional tests (including regression test for submitblock)
11ba8e9[tests] rename getblocktemplate_proposals.py to mining.py (John Newbery)b29dd41[tests] add test for submit block (John Newbery)9bf0d80[tests] run successful test in getblocktemplate first (John Newbery)82dc597[tests] don't build blocks manually in getblocktemplate test (John Newbery)f82c709[tests] clarify assertions in getblocktemplate test (John Newbery)66c570a[tests] Don't build the coinbase manually in getblocktemplate test (John Newbery)38b38cd[tests] getblocktemplate_proposals.py: add logging (John Newbery)0a3a5ff[tests] Fix flake8 warnings in getblocktemplate tests (John Newbery)32cffe6[tests] Fix import order in getblocktemplate test (John Newbery) Tree-SHA512: a51a57314fa1c4c4b8a7896492ec6e677b6bed12387060def34a62e9dfbee7961f71bb5553fbd70028be61ae32eccf13fd255fa9651f908e9a5e64c28f43f00e
This commit is contained in:
Wladimir J. van der Laan
Pasta
parent
cf40b5409c
commit
f1c9b7a893
@ -1,157 +0,0 @@
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#!/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 block proposals with getblocktemplate."""
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import *
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from binascii import a2b_hex, b2a_hex
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from hashlib import sha256
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from struct import pack
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def b2x(b):
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return b2a_hex(b).decode('ascii')
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# NOTE: This does not work for signed numbers (set the high bit) or zero (use b'\0')
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def encodeUNum(n):
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s = bytearray(b'\1')
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while n > 127:
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s[0] += 1
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s.append(n % 256)
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n //= 256
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s.append(n)
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return bytes(s)
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def varlenEncode(n):
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if n < 0xfd:
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return pack('<B', n)
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if n <= 0xffff:
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return b'\xfd' + pack('<H', n)
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if n <= 0xffffffff:
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return b'\xfe' + pack('<L', n)
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return b'\xff' + pack('<Q', n)
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def dblsha(b):
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return sha256(sha256(b).digest()).digest()
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def genmrklroot(leaflist):
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cur = leaflist
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while len(cur) > 1:
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n = []
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if len(cur) & 1:
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cur.append(cur[-1])
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for i in range(0, len(cur), 2):
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n.append(dblsha(cur[i] + cur[i+1]))
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cur = n
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return cur[0]
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def template_to_bytearray(tmpl, txlist):
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blkver = pack('<L', tmpl['version'])
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mrklroot = genmrklroot(list(dblsha(a) for a in txlist))
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timestamp = pack('<L', tmpl['curtime'])
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nonce = b'\0\0\0\0'
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blk = blkver + a2b_hex(tmpl['previousblockhash'])[::-1] + mrklroot + timestamp + a2b_hex(tmpl['bits'])[::-1] + nonce
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blk += varlenEncode(len(txlist))
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for tx in txlist:
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blk += tx
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return bytearray(blk)
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def template_to_hex(tmpl, txlist):
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return b2x(template_to_bytearray(tmpl, txlist))
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def assert_template(node, tmpl, txlist, expect):
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rsp = node.getblocktemplate({'data':template_to_hex(tmpl, txlist),'mode':'proposal'})
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if rsp != expect:
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raise AssertionError('unexpected: %s' % (rsp,))
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class GetBlockTemplateProposalTest(BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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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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node.generate(1) # Mine a block to leave initial block download
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tmpl = node.getblocktemplate()
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if 'coinbasetxn' not in tmpl:
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rawcoinbase = encodeUNum(tmpl['height'])
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rawcoinbase += b'\x01-'
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hexcoinbase = b2x(rawcoinbase)
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hexoutval = b2x(pack('<Q', tmpl['coinbasevalue']))
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tmpl['coinbasetxn'] = {'data': '01000000' + '01' + '0000000000000000000000000000000000000000000000000000000000000000ffffffff' + ('%02x' % (len(rawcoinbase),)) + hexcoinbase + 'fffffffe' + '01' + hexoutval + '00' + '00000000'}
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txlist = list(bytearray(a2b_hex(a['data'])) for a in (tmpl['coinbasetxn'],) + tuple(tmpl['transactions']))
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# Test 0: Capability advertised
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assert('proposal' in tmpl['capabilities'])
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# NOTE: This test currently FAILS (regtest mode doesn't enforce block height in coinbase)
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## Test 1: Bad height in coinbase
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#txlist[0][4+1+36+1+1] += 1
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#assert_template(node, tmpl, txlist, 'FIXME')
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#txlist[0][4+1+36+1+1] -= 1
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# Test 2: Bad input hash for gen tx
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txlist[0][4+1] += 1
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assert_template(node, tmpl, txlist, 'bad-cb-missing')
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txlist[0][4+1] -= 1
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# Test 3: Truncated final tx
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lastbyte = txlist[-1].pop()
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assert_raises_jsonrpc(-22, "Block decode failed", assert_template, node, tmpl, txlist, 'n/a')
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txlist[-1].append(lastbyte)
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# Test 4: Add an invalid tx to the end (duplicate of gen tx)
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txlist.append(txlist[0])
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assert_template(node, tmpl, txlist, 'bad-txns-duplicate')
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txlist.pop()
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# Test 5: Add an invalid tx to the end (non-duplicate)
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txlist.append(bytearray(txlist[0]))
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txlist[-1][4+1] = 0xff
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assert_template(node, tmpl, txlist, 'bad-txns-inputs-missingorspent')
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txlist.pop()
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# Test 6: Future tx lock time
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txlist[0][-4:] = b'\xff\xff\xff\xff'
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assert_template(node, tmpl, txlist, 'bad-txns-nonfinal')
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txlist[0][-4:] = b'\0\0\0\0'
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# Test 7: Bad tx count
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txlist.append(b'')
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assert_raises_jsonrpc(-22, 'Block decode failed', assert_template, node, tmpl, txlist, 'n/a')
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txlist.pop()
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# Test 8: Bad bits
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realbits = tmpl['bits']
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tmpl['bits'] = '1c0000ff' # impossible in the real world
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assert_template(node, tmpl, txlist, 'bad-diffbits')
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tmpl['bits'] = realbits
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# Test 9: Bad merkle root
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rawtmpl = template_to_bytearray(tmpl, txlist)
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rawtmpl[4+32] = (rawtmpl[4+32] + 1) % 0x100
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rsp = node.getblocktemplate({'data':b2x(rawtmpl),'mode':'proposal'})
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if rsp != 'bad-txnmrklroot':
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raise AssertionError('unexpected: %s' % (rsp,))
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# Test 10: Bad timestamps
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realtime = tmpl['curtime']
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tmpl['curtime'] = 0x7fffffff
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assert_template(node, tmpl, txlist, 'time-too-new')
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tmpl['curtime'] = 0
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assert_template(node, tmpl, txlist, 'time-too-old')
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tmpl['curtime'] = realtime
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# Test 11: Valid block
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assert_template(node, tmpl, txlist, None)
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# Test 12: Orphan block
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tmpl['previousblockhash'] = 'ff00' * 16
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assert_template(node, tmpl, txlist, 'inconclusive-not-best-prevblk')
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if __name__ == '__main__':
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GetBlockTemplateProposalTest().main()
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124
test/functional/mining.py
Executable file
124
test/functional/mining.py
Executable file
@ -0,0 +1,124 @@
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#!/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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- getblocktemplate proposal mode
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- submitblock"""
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from binascii import b2a_hex
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import copy
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from test_framework.blocktools import create_coinbase
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.mininode import CBlock
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from test_framework.util import *
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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 __init__(self):
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super().__init__()
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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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# 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_jsonrpc(-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_jsonrpc(-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_jsonrpc(-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_jsonrpc(-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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@ -119,6 +119,7 @@ BASE_SCRIPTS= [
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'signmessages.py',
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'nulldummy.py',
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'import-rescan.py',
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'mining.py',
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'rpcnamedargs.py',
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'listsinceblock.py',
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'p2p-leaktests.py',
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@ -152,7 +153,6 @@ EXTENDED_SCRIPTS = [
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'bipdersig-p2p.py', # NOTE: needs dash_hash to pass
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'bipdersig.py',
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'example_test.py',
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'getblocktemplate_proposals.py',
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'txn_doublespend.py',
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'txn_clone.py --mineblock',
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'txindex.py',
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