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Final zenroom (#147)
* zenroom fixes Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * expl. defined the aiohttp package Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * increased version number and fixed a zenroom runtime bug Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * added fialing zenroom tx signing test Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * extended test to pass zenrooom validation, but to fail planetmint validation. Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * added manual tx crafting Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * added zenroom fulfillment verification Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * the last mile before integration Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * zenroom unit tests are passing Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * simplified zenroom unit tests Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * removed obsolte lines from the zenroom tests Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * fixed acceptance tests Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * adjusted zenroom integraiton tests Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * fixed linting errors Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * simplified zenroom unit test Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * increased version number Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * using cryptoconditions without print message Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * increased cc usage to 0.9.9 readded daemon proceses Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * increased version to 0.9.6 Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com> * fixed deployment issue for 0.9.6 Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com>
This commit is contained in:
Jürgen Eckel
172
tests/assets/test_zenroom_signing.py
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172
tests/assets/test_zenroom_signing.py
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import pytest
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import json
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import base58
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from hashlib import sha3_256
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from zenroom import zencode_exec
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from cryptoconditions.types.ed25519 import Ed25519Sha256
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from cryptoconditions.types.zenroom import ZenroomSha256
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from planetmint.transactions.common.crypto import generate_key_pair
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CONDITION_SCRIPT = """
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Scenario 'ecdh': create the signature of an object
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Given I have the 'keyring'
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Given that I have a 'string dictionary' named 'houses' inside 'asset'
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When I create the signature of 'houses'
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Then print the 'signature'"""
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FULFILL_SCRIPT = """Scenario 'ecdh': Bob verifies the signature from Alice
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Given I have a 'ecdh public key' from 'Alice'
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Given that I have a 'string dictionary' named 'houses' inside 'asset'
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Given I have a 'signature' named 'signature' inside 'result'
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When I verify the 'houses' has a signature in 'signature' by 'Alice'
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Then print the string 'ok'"""
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SK_TO_PK = """Scenario 'ecdh': Create the keypair
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Given that I am known as '{}'
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Given I have the 'keyring'
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When I create the ecdh public key
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When I create the bitcoin address
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Then print my 'ecdh public key'
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Then print my 'bitcoin address'"""
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GENERATE_KEYPAIR = """Scenario 'ecdh': Create the keypair
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Given that I am known as 'Pippo'
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When I create the ecdh key
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When I create the bitcoin key
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Then print data"""
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ZENROOM_DATA = {"also": "more data"}
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HOUSE_ASSETS = {
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"data": {
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"houses": [
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{
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"name": "Harry",
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"team": "Gryffindor",
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},
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{
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"name": "Draco",
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"team": "Slytherin",
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},
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],
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}
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}
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metadata = {"units": 300, "type": "KG"}
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def test_zenroom_signing():
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biolabs = generate_key_pair()
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version = "2.0"
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alice = json.loads(zencode_exec(GENERATE_KEYPAIR).output)["keyring"]
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bob = json.loads(zencode_exec(GENERATE_KEYPAIR).output)["keyring"]
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zen_public_keys = json.loads(
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zencode_exec(
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SK_TO_PK.format("Alice"), keys=json.dumps({"keyring": alice})
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).output
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)
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zen_public_keys.update(
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json.loads(
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zencode_exec(
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SK_TO_PK.format("Bob"), keys=json.dumps({"keyring": bob})
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).output
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)
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)
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zenroomscpt = ZenroomSha256(
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script=FULFILL_SCRIPT, data=ZENROOM_DATA, keys=zen_public_keys
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)
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print(f"zenroom is: {zenroomscpt.script}")
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# CRYPTO-CONDITIONS: generate the condition uri
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condition_uri_zen = zenroomscpt.condition.serialize_uri()
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print(f"\nzenroom condition URI: {condition_uri_zen}")
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# CRYPTO-CONDITIONS: construct an unsigned fulfillment dictionary
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unsigned_fulfillment_dict_zen = {
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"type": zenroomscpt.TYPE_NAME,
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"public_key": base58.b58encode(biolabs.public_key).decode(),
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}
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output = {
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"amount": "10",
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"condition": {
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"details": unsigned_fulfillment_dict_zen,
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"uri": condition_uri_zen,
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},
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"public_keys": [
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biolabs.public_key,
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],
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}
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input_ = {
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"fulfillment": None,
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"fulfills": None,
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"owners_before": [
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biolabs.public_key,
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],
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}
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metadata = {
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"result": {
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"output": ["ok"]
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}
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}
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token_creation_tx = {
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"operation": "CREATE",
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"asset": HOUSE_ASSETS,
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"metadata": metadata,
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"outputs": [
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output,
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],
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"inputs": [
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input_,
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],
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"version": version,
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"id": None,
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}
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# JSON: serialize the transaction-without-id to a json formatted string
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message = json.dumps(
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token_creation_tx,
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sort_keys=True,
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separators=(",", ":"),
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ensure_ascii=False,
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)
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# major workflow:
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# we store the fulfill script in the transaction/message (zenroom-sha)
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# the condition script is used to fulfill the transaction and create the signature
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#
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# the server should ick the fulfill script and recreate the zenroom-sha and verify the signature
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message = zenroomscpt.sign(message, CONDITION_SCRIPT, alice)
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assert zenroomscpt.validate(message=message)
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message = json.loads(message)
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fulfillment_uri_zen = zenroomscpt.serialize_uri()
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message["inputs"][0]["fulfillment"] = fulfillment_uri_zen
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tx = message
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tx["id"] = None
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json_str_tx = json.dumps(tx, sort_keys=True, skipkeys=False, separators=(",", ":"))
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# SHA3: hash the serialized id-less transaction to generate the id
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shared_creation_txid = sha3_256(json_str_tx.encode()).hexdigest()
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message["id"] = shared_creation_txid
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from planetmint.models import Transaction
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from planetmint.transactions.common.exceptions import (
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SchemaValidationError,
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ValidationError,
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)
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try:
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tx_obj = Transaction.from_dict(message)
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except SchemaValidationError:
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assert ()
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except ValidationError as e:
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print(e)
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assert ()
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print(f"VALIDATED : {tx_obj}")
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assert (tx_obj == False) is False
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