def reorganize(ec, fork_point, arr, repl):
print 'Reorganize!', ec, fork_point
a.bdb_chain.subscribe_reorganize(reorganize)
for blk in arr:
print 'arrive', b.hash_block_header(blk)
for blk in repl:
print 'remove', b.hash_block_header(blk)
def display_chain(chain):
previous = None
for i, blk in enumerate(chain):
if previous is not None:
assert str(blk.previous_block_hash) == str(previous)
previous = bitcoin.hash_block_header(blk)
print 'Block:', i
print bitcoin.hash_block_header(blk)
def block_header(self, ec, blk_head, statement_line, info):
info["timestamp"] = blk_head.timestamp
info["block_hash"] = str(bitcoin.hash_block_header(blk_head))
tx_hash = bitcoin.hash_digest(info["tx_hash"])
self.chain.fetch_transaction(tx_hash,
bitcoin.bind(self.load_tx, bitcoin._1, bitcoin._2,
statement_line, info))
def examine_blk(self, depth, blk):
self._latest_block_hash = bitcoin.hash_block_header(blk)
for tx in blk.transactions:
self._check(tx, True)
self._cursor.execute("""
INSERT INTO blocks (depth, hash)
VALUES (%s, %s)
""", (depth, self._latest_block_hash))
def block_header(self, ec, blk_head, entry, info):
if self.stop_on_error(ec):
return
info["timestamp"] = blk_head.timestamp
info["block_hash"] = str(bitcoin.hash_block_header(blk_head))
tx_hash = bitcoin.hash_digest(info["tx_hash"])
# Now load the actual main transaction for this input or output
self.chain.fetch_transaction(tx_hash, bind(self.load_chain_tx, _1, _2, entry, info))
def block_header(self, ec, blk_head, statement_line, info):
info["timestamp"] = blk_head.timestamp
info["block_hash"] = str(bitcoin.hash_block_header(blk_head))
tx_hash = bitcoin.hash_digest(info["tx_hash"])
self.chain.fetch_transaction(
tx_hash,
bitcoin.bind(self.load_tx, bitcoin._1, bitcoin._2, statement_line,
info))
def examine_blk(self, depth, blk):
self._latest_block_hash = bitcoin.hash_block_header(blk)
for tx in blk.transactions:
self._check(tx, True)
self._cursor.execute(
"""
INSERT INTO blocks (depth, hash)
VALUES (%s, %s)
""", (depth, self._latest_block_hash))
def display_block_header(ec, blk):
if ec:
print "Failure fetching block header:", ec.message()
sys.exit()
blk_hash = hash_block_header(blk)
print "hash:", blk_hash.encode('hex')
print "version:", blk.version
print "previous_block_hash:", blk.previous_block_hash
print "merkle:", blk.merkle
def block_header(self, ec, blk_head, entry, info):
if self.stop_on_error(ec):
return
info["timestamp"] = blk_head.timestamp
info["block_hash"] = str(bitcoin.hash_block_header(blk_head))
tx_hash = bitcoin.hash_digest(info["tx_hash"])
# Now load the actual main transaction for this input or output
self.chain.fetch_transaction(
tx_hash, bind(self.load_chain_tx, _1, _2, entry, info))
def create_get_blocks_message():
packet = bitcoin.get_blocks()
genesis_hash = bitcoin.hash_block_header(bitcoin.genesis_block())
packet.start_hashes.append(genesis_hash)
packet.hash_stop = bitcoin.null_hash
return packet
raw_tx_repr = "010000000187493c4c15c76df9f69ddd7aeb7ffbcddad4b7a979210f19602282d5b9862581000000008a47304402202d9e9f75be9c8a4c4304931b032e1de83fd2c6af2c1154a3d2b885efd5c3bfda02201184139215fb74499eae9c71ae86354c41b4d20b95a6b1fffcb8f1c5f051288101410497d11f5c33adb7c3fed0adc637358279de04f72851b7b93fb4a8655613729047c7e2908966551b5fb7f6899f6c3dd358b57eb20a61b2c9909aa106eac6310f9fffffffff0140420f00000000001976a91407e761706c63b36e5a328fab1d94e9397f40704d88b000000000" raw_tx = bitcoin.data_chunk(raw_tx_repr) print raw_tx print len(raw_tx) ex = bitcoin.satoshi_exporter() tx = ex.load_transaction(raw_tx) print "txhash", bitcoin.hash_transaction(tx) print tx print ex.save_transaction(tx) print len(ex.save_transaction(tx)) assert str(ex.save_transaction(tx)) == raw_tx_repr print 'blk' blk = bitcoin.genesis_block() print bitcoin.hash_block_header(blk) rawblk = ex.save_block(blk) blk2 = ex.load_block(rawblk) print bitcoin.hash_block_header(blk2) print bitcoin.hash_transaction(blk.transactions[0]) print bitcoin.hash_transaction(blk2.transactions[0]) assert str(ex.save_block(blk2)) == str(rawblk) getblocks = bitcoin.get_blocks() getblocks.start_hashes.append(bitcoin.hash_block_header(blk)) getblocks.start_hashes.append(bitcoin.hash_transaction(blk.transactions[0])) getblocks.hash_stop = bitcoin.null_hash rawgb = ex.save_get_blocks(getblocks) gb2 = ex.load_get_blocks(rawgb) print gb2.start_hashes[0] print gb2.start_hashes[1]
