def compose (db, source, move, random, rps_match_id):
tx0_hash, tx1_hash = util.parse_id(rps_match_id)
txn, rps_match, problems = validate(db, source, move, random, rps_match_id)
if problems: raise exceptions.ComposeError(problems)
# Warn if down to the wire.
time_left = rps_match['match_expire_index'] - util.CURRENT_BLOCK_INDEX
if time_left < 4:
logger.warning('Only {} blocks until that rps match expires. The conclusion might not make into the blockchain in time.'.format(time_left))
tx0_hash_bytes = binascii.unhexlify(bytes(tx0_hash, 'utf-8'))
tx1_hash_bytes = binascii.unhexlify(bytes(tx1_hash, 'utf-8'))
random_bytes = binascii.unhexlify(bytes(random, 'utf-8'))
data = struct.pack(config.TXTYPE_FORMAT, ID)
data += struct.pack(FORMAT, move, random_bytes, tx0_hash_bytes, tx1_hash_bytes)
return (source, [], data)
def compose (db, source, order_match_id):
tx0_hash, tx1_hash = util.parse_id(order_match_id)
destination, shell_quantity, escrowed_asset, escrowed_quantity, order_match, problems = validate(db, source, order_match_id, util.CURRENT_BLOCK_INDEX)
if problems: raise exceptions.ComposeError(problems)
# Warn if down to the wire.
time_left = order_match['match_expire_index'] - util.CURRENT_BLOCK_INDEX
if time_left < 4:
logger.warning('Only {} blocks until that order match expires. The payment might not make into the blockchain in time.'.format(time_left))
if 10 - time_left < 4:
logger.warning('Order match has only {} confirmation(s).'.format(10 - time_left))
tx0_hash_bytes, tx1_hash_bytes = binascii.unhexlify(bytes(tx0_hash, 'utf-8')), binascii.unhexlify(bytes(tx1_hash, 'utf-8'))
data = struct.pack(config.TXTYPE_FORMAT, ID)
data += struct.pack(FORMAT, tx0_hash_bytes, tx1_hash_bytes)
return (source, [(destination, shell_quantity)], data)