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authorWladimir J. van der Laan <laanwj@gmail.com>2014-11-24 14:42:09 +0100
committerWladimir J. van der Laan <laanwj@gmail.com>2014-11-24 14:43:10 +0100
commitf24bcce2ac3e049142ff077c0de5e40a52e59b5e (patch)
tree837e296ec5a9d37c89d42113bae4ecce324ea83a /qa
parent6582f323f084a9f758ab2958da69caeb73cd13b4 (diff)
parentb867e409e5dd34b84eb9d6d0d8f257dbb19b986d (diff)
Merge pull request #1816
b867e40 CreateNewBlock: Stick height in coinbase so we pass template sanity check (Luke Dashjr) 60755db submitblock: Check for duplicate submissions explicitly (Luke Dashjr) bc6cb41 QA RPC tests: Add tests block block proposals (Luke Dashjr) 9765a50 Implement BIP 23 Block Proposal (Luke Dashjr) 3dcbb9b Abstract DecodeHexBlk and BIP22ValidationResult functions out of submitblock (Luke Dashjr) 132ea9b miner_tests: Disable checkpoints so they don't fail the subsidy-change test (Luke Dashjr) df08a62 TestBlockValidity function for CBlock proposals (used by CreateNewBlock) (Luke Dashjr) 4ea1be7 CreateNewBlock and miner_tests: Also check generated template is valid by CheckBlockHeader, ContextualCheckBlockHeader, CheckBlock, and ContextualCheckBlock (Luke Dashjr) a48f2d6 Abstract context-dependent block checking from acceptance (Luke Dashjr)
Diffstat (limited to 'qa')
-rwxr-xr-xqa/rpc-tests/getblocktemplate_longpoll.py (renamed from qa/rpc-tests/getblocktemplate.py)6
-rwxr-xr-xqa/rpc-tests/getblocktemplate_proposals.py182
2 files changed, 184 insertions, 4 deletions
diff --git a/qa/rpc-tests/getblocktemplate.py b/qa/rpc-tests/getblocktemplate_longpoll.py
index 500662bf87..263a5f6d59 100755
--- a/qa/rpc-tests/getblocktemplate.py
+++ b/qa/rpc-tests/getblocktemplate_longpoll.py
@@ -3,8 +3,6 @@
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
-# Exercise the listtransactions API
-
from test_framework import BitcoinTestFramework
from bitcoinrpc.authproxy import AuthServiceProxy, JSONRPCException
from util import *
@@ -46,7 +44,7 @@ class LongpollThread(threading.Thread):
def run(self):
self.node.getblocktemplate({'longpollid':self.longpollid})
-class GetBlockTemplateTest(BitcoinTestFramework):
+class GetBlockTemplateLPTest(BitcoinTestFramework):
'''
Test longpolling with getblocktemplate.
'''
@@ -90,5 +88,5 @@ class GetBlockTemplateTest(BitcoinTestFramework):
assert(not thr.is_alive())
if __name__ == '__main__':
- GetBlockTemplateTest().main()
+ GetBlockTemplateLPTest().main()
diff --git a/qa/rpc-tests/getblocktemplate_proposals.py b/qa/rpc-tests/getblocktemplate_proposals.py
new file mode 100755
index 0000000000..0f7859584a
--- /dev/null
+++ b/qa/rpc-tests/getblocktemplate_proposals.py
@@ -0,0 +1,182 @@
+#!/usr/bin/env python
+# Copyright (c) 2014 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+from test_framework import BitcoinTestFramework
+from bitcoinrpc.authproxy import AuthServiceProxy, JSONRPCException
+from util import *
+
+from binascii import a2b_hex, b2a_hex
+from hashlib import sha256
+from struct import pack
+
+
+def check_array_result(object_array, to_match, expected):
+ """
+ Pass in array of JSON objects, a dictionary with key/value pairs
+ to match against, and another dictionary with expected key/value
+ pairs.
+ """
+ num_matched = 0
+ for item in object_array:
+ all_match = True
+ for key,value in to_match.items():
+ if item[key] != value:
+ all_match = False
+ if not all_match:
+ continue
+ for key,value in expected.items():
+ if item[key] != value:
+ raise AssertionError("%s : expected %s=%s"%(str(item), str(key), str(value)))
+ num_matched = num_matched+1
+ if num_matched == 0:
+ raise AssertionError("No objects matched %s"%(str(to_match)))
+
+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_bytes(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 blk
+
+def template_to_hex(tmpl, txlist):
+ return b2x(template_to_bytes(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):
+ '''
+ Test block proposals with getblocktemplate.
+ '''
+
+ def run_test(self):
+ node = self.nodes[0]
+ 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()
+ try:
+ assert_template(node, tmpl, txlist, 'n/a')
+ except JSONRPCException:
+ pass # Expected
+ 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] = b'\xff'
+ 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'')
+ try:
+ assert_template(node, tmpl, txlist, 'n/a')
+ except JSONRPCException:
+ pass # Expected
+ 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_bytes(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()