obelisk

Electrum server using libbitcoin as its backend
git clone https://git.parazyd.org/obelisk
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commit b65268c196825ce7bb62ec0e163e5eeca88e3612
parent f3a8be0295a0d054356b41f3a39abdc8bd89cb0c
Author: parazyd <parazyd@dyne.org>
Date:   Fri,  9 Apr 2021 09:17:40 +0200

Implement blockchain.scripthash.get_history

Still missing mempool stuff.

Diffstat:
Melectrumobelisk/protocol.py | 23++++++++++++++++++++++-
Melectrumobelisk/zeromq.py | 5++++-
Mtest.py | 36+++++++++++++++++++++++++++++++++++-
3 files changed, 61 insertions(+), 3 deletions(-)

diff --git a/electrumobelisk/protocol.py b/electrumobelisk/protocol.py @@ -328,7 +328,28 @@ class ElectrumProtocol(asyncio.Protocol): # pylint: disable=R0904,R0902 """Method: blockchain.scripthash.get_history Return the confirmed and unconfirmed history of a script hash. """ - return + if "params" not in query or len(query["params"]) != 1: + return {"error": "malformed query"} + + if not is_hash256_str(query["params"][0]): + return {"error": "invalid scripthash"} + + _ec, data = await self.bx.fetch_history4(query["params"][0]) + if _ec and _ec != 0: + self.log.debug("Got error: %s", repr(_ec)) + return {"error": "request corrupted"} + + self.log.debug("hist: %s", data) + ret = [] + # TODO: mempool + for i in data: + kind = "received" if "received" in i else "spent" + ret.append({ + "height": i[kind]["height"], + "tx_hash": safe_hexlify(i[kind]["hash"][::-1]), + }) + + return {"result": ret} async def blockchain_scripthash_get_mempool(self, writer, query): # pylint: disable=W0613 """Method: blockchain.scripthash.get_mempool diff --git a/electrumobelisk/zeromq.py b/electrumobelisk/zeromq.py @@ -370,7 +370,10 @@ class Client: kind, height, tx_hash, index, value = row return ( kind, - {"hash": tx_hash, "index": index}, + { + "hash": tx_hash, + "index": index + }, height, value, checksum(tx_hash[::-1].hex(), index), diff --git a/test.py b/test.py @@ -109,6 +109,40 @@ async def test_blockchain_scripthash_get_balance(protocol, writer): return "blockchain_scripthash_get_balance", True +async def test_blockchain_scripthash_get_history(protocol, writer): + shs = [ + "c036b0ff3ad79662cd517cd5fe1fa0af07377b9262d16f276f11ced69aaa6921", + "92dd1eb7c042956d3dd9185a58a2578f61fee91347196604540838ccd0f8c08c", + ] + expect = [ + ( + 1936167, + "084eba0e08c78b63e07535b74a5a849994d49afade95d0d205e4963e3f568600", + ), + ( + 1970700, + "a9c3c22cc2589284288b28e802ea81723d649210d59dfa7e03af00475f4cec20", + ), + ( + 1936171, + "705c4f265df23726c09c5acb80f9e8a85845c17d68974d89814383855c8545a2", + ), + ] + + res = [] + for i in shs: + params = {"params": [i]} + data = await protocol.blockchain_scripthash_get_history(writer, params) + if "result" in data: + for i in data["result"]: + res.append((i["height"], i["tx_hash"])) + + if expect != res: + return "blockchain_scripthash_get_history", False + + return "blockchain_scripthash_get_history", True + + class MockWriter(asyncio.StreamWriter): def __init__(self): self.mock = None @@ -134,7 +168,7 @@ async def main(): # test_blockchain_headers_subscribe, test_blockchain_relayfee, test_blockchain_scripthash_get_balance, - # test_blockchain_scripthash_get_history, + test_blockchain_scripthash_get_history, # test_blockchain_scripthash_get_mempool, # test_blockchain_scripthash_listunspent, # test_blockchain_scripthash_subscribe,