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author | Suhas Daftuar <sdaftuar@chaincode.com> | 2016-09-14 21:00:29 -0400 |
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committer | Pieter Wuille <pieter.wuille@gmail.com> | 2016-10-04 19:10:49 +0200 |
commit | 422fac649f75c907cad6ab7e2768b9032b9eae42 (patch) | |
tree | 1902dcb33a9c91d6655ac35de111b8672bb2f2fb /qa/rpc-tests | |
parent | f5b9b8f437c040205896ad0d7a6656efa08b5601 (diff) | |
download | bitcoin-422fac649f75c907cad6ab7e2768b9032b9eae42.tar.xz |
[qa] Add support for compactblocks v2 to mininode
Diffstat (limited to 'qa/rpc-tests')
-rwxr-xr-x | qa/rpc-tests/test_framework/mininode.py | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/qa/rpc-tests/test_framework/mininode.py b/qa/rpc-tests/test_framework/mininode.py index 34beb0d30d..4d238c08d9 100755 --- a/qa/rpc-tests/test_framework/mininode.py +++ b/qa/rpc-tests/test_framework/mininode.py @@ -755,6 +755,9 @@ class PrefilledTransaction(object): r += self.tx.serialize_without_witness() return r + def serialize_with_witness(self): + return self.serialize(with_witness=True) + def __repr__(self): return "PrefilledTransaction(index=%d, tx=%s)" % (self.index, repr(self.tx)) @@ -779,6 +782,7 @@ class P2PHeaderAndShortIDs(object): self.prefilled_txn = deser_vector(f, PrefilledTransaction) self.prefilled_txn_length = len(self.prefilled_txn) + # When using version 2 compact blocks, we must serialize with_witness. def serialize(self, with_witness=False): r = b"" r += self.header.serialize() @@ -787,12 +791,20 @@ class P2PHeaderAndShortIDs(object): for x in self.shortids: # We only want the first 6 bytes r += struct.pack("<Q", x)[0:6] - r += ser_vector(self.prefilled_txn) + if with_witness: + r += ser_vector(self.prefilled_txn, "serialize_with_witness") + else: + r += ser_vector(self.prefilled_txn) return r def __repr__(self): return "P2PHeaderAndShortIDs(header=%s, nonce=%d, shortids_length=%d, shortids=%s, prefilled_txn_length=%d, prefilledtxn=%s" % (repr(self.header), self.nonce, self.shortids_length, repr(self.shortids), self.prefilled_txn_length, repr(self.prefilled_txn)) +# P2P version of the above that will use witness serialization (for compact +# block version 2) +class P2PHeaderAndShortWitnessIDs(P2PHeaderAndShortIDs): + def serialize(self): + return super(P2PHeaderAndShortWitnessIDs, self).serialize(with_witness=True) # Calculate the BIP 152-compact blocks shortid for a given transaction hash def calculate_shortid(k0, k1, tx_hash): @@ -808,6 +820,7 @@ class HeaderAndShortIDs(object): self.nonce = 0 self.shortids = [] self.prefilled_txn = [] + self.use_witness = False if p2pheaders_and_shortids != None: self.header = p2pheaders_and_shortids.header @@ -819,7 +832,10 @@ class HeaderAndShortIDs(object): last_index = self.prefilled_txn[-1].index def to_p2p(self): - ret = P2PHeaderAndShortIDs() + if self.use_witness: + ret = P2PHeaderAndShortWitnessIDs() + else: + ret = P2PHeaderAndShortIDs() ret.header = self.header ret.nonce = self.nonce ret.shortids_length = len(self.shortids) @@ -840,15 +856,20 @@ class HeaderAndShortIDs(object): key1 = struct.unpack("<Q", hash_header_nonce_as_str[8:16])[0] return [ key0, key1 ] - def initialize_from_block(self, block, nonce=0, prefill_list = [0]): + # Version 2 compact blocks use wtxid in shortids (rather than txid) + def initialize_from_block(self, block, nonce=0, prefill_list = [0], use_witness = False): self.header = CBlockHeader(block) self.nonce = nonce self.prefilled_txn = [ PrefilledTransaction(i, block.vtx[i]) for i in prefill_list ] self.shortids = [] + self.use_witness = use_witness [k0, k1] = self.get_siphash_keys() for i in range(len(block.vtx)): if i not in prefill_list: - self.shortids.append(calculate_shortid(k0, k1, block.vtx[i].sha256)) + tx_hash = block.vtx[i].sha256 + if use_witness: + tx_hash = block.vtx[i].calc_sha256(with_witness=True) + self.shortids.append(calculate_shortid(k0, k1, tx_hash)) def __repr__(self): return "HeaderAndShortIDs(header=%s, nonce=%d, shortids=%s, prefilledtxn=%s" % (repr(self.header), self.nonce, repr(self.shortids), repr(self.prefilled_txn)) @@ -1424,6 +1445,12 @@ class msg_blocktxn(object): def __repr__(self): return "msg_blocktxn(block_transactions=%s)" % (repr(self.block_transactions)) +class msg_witness_blocktxn(msg_blocktxn): + def serialize(self): + r = b"" + r += self.block_transactions.serialize(with_witness=True) + return r + # This is what a callback should look like for NodeConn # Reimplement the on_* functions to provide handling for events class NodeConnCB(object): |