async def transaction_get(self, writer, query): # pylint: disable=W0613
"""Method: blockchain.transaction.get
Return a raw transaction.
"""
if "params" not in query or len(query["params"]) < 1:
return JsonRPCError.invalidparams()
tx_hash = query["params"][0]
verbose = query["params"][1] if len(query["params"]) > 1 else False
if not is_hex_str(tx_hash):
return JsonRPCError.invalidparams()
# _ec, rawtx = await self.bx.fetch_blockchain_transaction(tx_hash)
_ec, rawtx = await self.bx.fetch_mempool_transaction(tx_hash)
if _ec and _ec != ZMQError.success and _ec != ZMQError.not_found:
self.log.error("fetch_mempool_transaction: %s", _ec.name)
return JsonRPCError.internalerror()
# Behaviour is undefined in spec
if not rawtx:
return JsonRPCError.internalerror()
# return {"result": None}
if verbose:
# TODO: Help needed
return JsonRPCError.invalidrequest()
return {"result": bh2u(rawtx)}
async def blockchain_transaction_broadcast(self, writer, query): # pylint: disable=W0613
"""Method: blockchain.transaction.broadcast
Broadcast a transaction to the network.
"""
# Note: Not yet implemented in bs v4
if "params" not in query or len(query["params"]) != 1:
return JsonRPCError.invalidparams()
hextx = query["params"][0]
if not is_hex_str(hextx):
return JsonRPCError.invalidparams()
_ec, _ = await self.bx.broadcast_transaction(unhexlify(hextx)[::-1])
if _ec and _ec != 0:
self.log.debug("Got error: %s", repr(_ec))
return JsonRPCError.internalerror()
rawtx = unhexlify(hextx)
txid = double_sha256(rawtx)
return {"result": hash_to_hex_str(txid)}