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Diffstat (limited to 'test/functional/getblocktemplate_proposals.py')
| -rwxr-xr-x | test/functional/getblocktemplate_proposals.py | 157 |
1 files changed, 0 insertions, 157 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() |