diff options
| -rwxr-xr-x | test/functional/getblocktemplate_proposals.py | 157 | ||||
| -rwxr-xr-x | test/functional/mining.py | 124 | ||||
| -rwxr-xr-x | test/functional/test_runner.py | 2 |
3 files changed, 125 insertions, 158 deletions
diff --git a/test/functional/getblocktemplate_proposals.py b/test/functional/getblocktemplate_proposals.py deleted file mode 100755 index fca99c7df5..0000000000 --- a/test/functional/getblocktemplate_proposals.py +++ /dev/null @@ -1,157 +0,0 @@ -#!/usr/bin/env python3 -# Copyright (c) 2014-2016 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 block proposals with getblocktemplate.""" - -from test_framework.test_framework import BitcoinTestFramework -from test_framework.util import * - -from binascii import a2b_hex, b2a_hex -from hashlib import sha256 -from struct import pack - -def b2x(b): - return b2a_hex(b).decode('ascii') - -# NOTE: This does not work for signed numbers (set the high bit) or zero (use b'\0') -def encodeUNum(n): - s = bytearray(b'\1') - while n > 127: - s[0] += 1 - s.append(n % 256) - n //= 256 - s.append(n) - return bytes(s) - -def varlenEncode(n): - if n < 0xfd: - return pack('<B', n) - if n <= 0xffff: - return b'\xfd' + pack('<H', n) - if n <= 0xffffffff: - return b'\xfe' + pack('<L', n) - return b'\xff' + pack('<Q', n) - -def dblsha(b): - return sha256(sha256(b).digest()).digest() - -def genmrklroot(leaflist): - cur = leaflist - while len(cur) > 1: - n = [] - if len(cur) & 1: - cur.append(cur[-1]) - for i in range(0, len(cur), 2): - n.append(dblsha(cur[i] + cur[i+1])) - cur = n - return cur[0] - -def template_to_bytearray(tmpl, txlist): - blkver = pack('<L', tmpl['version']) - mrklroot = genmrklroot(list(dblsha(a) for a in txlist)) - timestamp = pack('<L', tmpl['curtime']) - nonce = b'\0\0\0\0' - blk = blkver + a2b_hex(tmpl['previousblockhash'])[::-1] + mrklroot + timestamp + a2b_hex(tmpl['bits'])[::-1] + nonce - blk += varlenEncode(len(txlist)) - for tx in txlist: - blk += tx - return bytearray(blk) - -def template_to_hex(tmpl, txlist): - return b2x(template_to_bytearray(tmpl, txlist)) - -def assert_template(node, tmpl, txlist, expect): - rsp = node.getblocktemplate({'data':template_to_hex(tmpl, txlist),'mode':'proposal'}) - if rsp != expect: - raise AssertionError('unexpected: %s' % (rsp,)) - -class GetBlockTemplateProposalTest(BitcoinTestFramework): - - def __init__(self): - super().__init__() - self.num_nodes = 2 - self.setup_clean_chain = False - - def run_test(self): - node = self.nodes[0] - node.generate(1) # Mine a block to leave initial block download - tmpl = node.getblocktemplate() - if 'coinbasetxn' not in tmpl: - rawcoinbase = encodeUNum(tmpl['height']) - rawcoinbase += b'\x01-' - hexcoinbase = b2x(rawcoinbase) - hexoutval = b2x(pack('<Q', tmpl['coinbasevalue'])) - tmpl['coinbasetxn'] = {'data': '01000000' + '01' + '0000000000000000000000000000000000000000000000000000000000000000ffffffff' + ('%02x' % (len(rawcoinbase),)) + hexcoinbase + 'fffffffe' + '01' + hexoutval + '00' + '00000000'} - txlist = list(bytearray(a2b_hex(a['data'])) for a in (tmpl['coinbasetxn'],) + tuple(tmpl['transactions'])) - - # Test 0: Capability advertised - assert('proposal' in tmpl['capabilities']) - - # NOTE: This test currently FAILS (regtest mode doesn't enforce block height in coinbase) - ## Test 1: Bad height in coinbase - #txlist[0][4+1+36+1+1] += 1 - #assert_template(node, tmpl, txlist, 'FIXME') - #txlist[0][4+1+36+1+1] -= 1 - - # Test 2: Bad input hash for gen tx - txlist[0][4+1] += 1 - assert_template(node, tmpl, txlist, 'bad-cb-missing') - txlist[0][4+1] -= 1 - - # Test 3: Truncated final tx - lastbyte = txlist[-1].pop() - assert_raises_jsonrpc(-22, "Block decode failed", assert_template, node, tmpl, txlist, 'n/a') - txlist[-1].append(lastbyte) - - # Test 4: Add an invalid tx to the end (duplicate of gen tx) - txlist.append(txlist[0]) - assert_template(node, tmpl, txlist, 'bad-txns-duplicate') - txlist.pop() - - # Test 5: Add an invalid tx to the end (non-duplicate) - txlist.append(bytearray(txlist[0])) - txlist[-1][4+1] = 0xff - assert_template(node, tmpl, txlist, 'bad-txns-inputs-missingorspent') - txlist.pop() - - # Test 6: Future tx lock time - txlist[0][-4:] = b'\xff\xff\xff\xff' - assert_template(node, tmpl, txlist, 'bad-txns-nonfinal') - txlist[0][-4:] = b'\0\0\0\0' - - # Test 7: Bad tx count - txlist.append(b'') - assert_raises_jsonrpc(-22, 'Block decode failed', assert_template, node, tmpl, txlist, 'n/a') - txlist.pop() - - # Test 8: Bad bits - realbits = tmpl['bits'] - tmpl['bits'] = '1c0000ff' # impossible in the real world - assert_template(node, tmpl, txlist, 'bad-diffbits') - tmpl['bits'] = realbits - - # Test 9: Bad merkle root - rawtmpl = template_to_bytearray(tmpl, txlist) - rawtmpl[4+32] = (rawtmpl[4+32] + 1) % 0x100 - rsp = node.getblocktemplate({'data':b2x(rawtmpl),'mode':'proposal'}) - if rsp != 'bad-txnmrklroot': - raise AssertionError('unexpected: %s' % (rsp,)) - - # Test 10: Bad timestamps - realtime = tmpl['curtime'] - tmpl['curtime'] = 0x7fffffff - assert_template(node, tmpl, txlist, 'time-too-new') - tmpl['curtime'] = 0 - assert_template(node, tmpl, txlist, 'time-too-old') - tmpl['curtime'] = realtime - - # Test 11: Valid block - assert_template(node, tmpl, txlist, None) - - # Test 12: Orphan block - tmpl['previousblockhash'] = 'ff00' * 16 - assert_template(node, tmpl, txlist, 'inconclusive-not-best-prevblk') - -if __name__ == '__main__': - GetBlockTemplateProposalTest().main() diff --git a/test/functional/mining.py b/test/functional/mining.py new file mode 100755 index 0000000000..dbd4e29eca --- /dev/null +++ b/test/functional/mining.py @@ -0,0 +1,124 @@ +#!/usr/bin/env python3 +# Copyright (c) 2014-2016 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 + +- getblocktemplate proposal mode +- submitblock""" + +from binascii import b2a_hex +import copy + +from test_framework.blocktools import create_coinbase +from test_framework.test_framework import BitcoinTestFramework +from test_framework.mininode import CBlock +from test_framework.util import * + +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 __init__(self): + super().__init__() + self.num_nodes = 2 + self.setup_clean_chain = False + + def run_test(self): + node = self.nodes[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_jsonrpc(-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_jsonrpc(-22, "Block does not start with a coinbase", node.submitblock, b2x(bad_block.serialize())) + + self.log.info("getblocktemplate: Test truncated final transaction") + assert_raises_jsonrpc(-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_jsonrpc(-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() diff --git a/test/functional/test_runner.py b/test/functional/test_runner.py index 54f625514b..b7bc6e841b 100755 --- a/test/functional/test_runner.py +++ b/test/functional/test_runner.py @@ -108,6 +108,7 @@ BASE_SCRIPTS= [ 'signmessages.py', 'nulldummy.py', 'import-rescan.py', + 'mining.py', 'bumpfee.py', 'rpcnamedargs.py', 'listsinceblock.py', @@ -141,7 +142,6 @@ EXTENDED_SCRIPTS = [ 'bipdersig-p2p.py', 'bipdersig.py', 'example_test.py', - 'getblocktemplate_proposals.py', 'txn_doublespend.py', 'txn_clone.py --mineblock', 'forknotify.py', |