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-rwxr-xr-xtest/functional/getblocktemplate_proposals.py157
1 files changed, 0 insertions, 157 deletions
diff --git a/test/functional/getblocktemplate_proposals.py b/test/functional/getblocktemplate_proposals.py
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--- a/test/functional/getblocktemplate_proposals.py
+++ /dev/null
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-#!/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()