service/sdk_validator/validator.py

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.


#%%
from service.sdk_validator.resdb_validator.models import Transaction
from service.sdk_validator.resdb_validator.exceptions import InvalidSignature


def is_valid_tx(tx_dict: dict) -> Transaction:
    tx_obj: Transaction = Transaction.from_dict(tx_dict)

    try:
        tx_obj.validate()
        return (0, tx_obj.tx_dict)

    except InvalidSignature:
        return (1, None)


# %%

if __name__ == "__main__":
    tx_dict = {
        "inputs": [
            {
                "owners_before": ["9zC37hhowLSeHjknaqsZRAfakvuTR1piuin42AAvL7sG"],
                "fulfills": None,
                "fulfillment": "pGSAIIWEFJxPvs4ClXvcd4Rnwy2h7GVmb3JME7xH5n2oBE3jgUDLke3SK_3x333Dg3Gd-1co64LWgMenHLAam3Bo48-VCjboQO0GZQJdA_5DbvgxVmoKJYc3mK7o9jiHMnb5WscL",
            }
        ],
        "outputs": [
            {
                "public_keys": ["EuLjsaa21zXzf3kQ25AbwNrymdk9iMuKtrBgqkGM2uVB"],
                "condition": {
                    "details": {
                        "type": "ed25519-sha-256",
                        "public_key": "EuLjsaa21zXzf3kQ25AbwNrymdk9iMuKtrBgqkGM2uVB",
                    },
                    "uri": "ni:///sha-256;s9hZhqQ61Vt2jcfJSqHnPhGwtuS6zlJHRypyEoyrZfY?fpt=ed25519-sha-256&cost=131072",
                },
                "amount": "1",
            }
        ],
        "operation": "CREATE",
        "metadata": None,
        "asset": {
            "data": {
                "token_for": {"game_boy": {"serial_number": "LR35902"}},
                "description": "Time share token. Each token equals one hour of usage.",
            }
        },
        "version": "2.0",
        "id": "523db618299340e10b5c779600563285cf174aeb1362603bca66d67371584cb8",
    }

    ret = is_valid_tx(tx_dict)
# %%