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344 lines
10 KiB
Python
344 lines
10 KiB
Python
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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import cryptoconditions as cc
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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 = \
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"""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 = \
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"""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 = \
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"""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 = {
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'also': 'more data'
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}
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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 = {
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'units': 300,
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'type': 'KG'
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}
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def test_manual_tx_crafting_ext():
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producer, buyer, reseller = generate_key_pair(), generate_key_pair(), generate_key_pair()
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producer_ed25519 = Ed25519Sha256(public_key=base58.b58decode(producer.public_key))
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condition_uri = producer_ed25519.condition.serialize_uri()
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output = {
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'amount': '3000',
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'condition': {
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'details': {
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"type": "ed25519-sha-256",
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"public_key": producer.public_key
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},
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'uri': condition_uri,
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},
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'public_keys': [producer.public_key,],
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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': [producer.public_key,]
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}
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version = '2.0'
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prepared_token_tx = {
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'operation': 'CREATE',
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'asset': HOUSE_ASSETS,#rfid_token,
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'metadata': metadata,
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'outputs': [output,],
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'inputs': [input_,],
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'version': version,
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'id': None,
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}
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print( f"prepared: {prepared_token_tx}")
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# Create sha3-256 of message to sign
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message = json.dumps(
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prepared_token_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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message_hash = sha3_256(message.encode())
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producer_ed25519.sign(message_hash.digest(), base58.b58decode(producer.private_key))
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fulfillment_uri = producer_ed25519.serialize_uri()
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prepared_token_tx['inputs'][0]['fulfillment'] = fulfillment_uri
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json_str_tx = json.dumps(
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prepared_token_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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creation_txid = sha3_256(json_str_tx.encode()).hexdigest()
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prepared_token_tx['id'] = creation_txid
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print( f"signed: {prepared_token_tx}")
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from planetmint.transactions.types.assets.create import Create
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from planetmint.transactions.types.assets.transfer import Transfer
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from planetmint.models import Transaction
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from planetmint.transactions.common.exceptions import SchemaValidationError, ValidationError
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from flask import current_app
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from planetmint.transactions.common.transaction_mode_types import BROADCAST_TX_ASYNC
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validated = None
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try:
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tx_obj = Transaction.from_dict(prepared_token_tx)
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except SchemaValidationError as e:
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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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from planetmint.lib import Planetmint
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planet = Planetmint()
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validated = planet.validate_transaction(tx_obj)
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print( f"\n\nVALIDATED =====: {validated}")
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assert not validated == False
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def test_manual_tx_crafting_ext_zenroom():
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producer= generate_key_pair()
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producer_ed25519 = Ed25519Sha256(public_key=base58.b58decode(producer.public_key))
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condition_uri = producer_ed25519.condition.serialize_uri()
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output = {
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'amount': '3000',
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'condition': {
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'details': {
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"type": "ed25519-sha-256",
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"public_key": producer.public_key
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},
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'uri': condition_uri,
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},
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'public_keys': [producer.public_key,],
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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': [producer.public_key,]
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}
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version = '2.0'
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prepared_token_tx = {
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'operation': 'CREATE',
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'asset': HOUSE_ASSETS,#rfid_token,
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'metadata': metadata,
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'outputs': [output,],
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'inputs': [input_,],
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'version': version,
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'id': None,
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}
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print( f"prepared: {prepared_token_tx}")
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# Create sha3-256 of message to sign
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message = json.dumps(
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prepared_token_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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message_hash = sha3_256(message.encode())
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producer_ed25519.sign(message_hash.digest(), base58.b58decode(producer.private_key))
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fulfillment_uri = producer_ed25519.serialize_uri()
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prepared_token_tx['inputs'][0]['fulfillment'] = fulfillment_uri
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json_str_tx = json.dumps(
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prepared_token_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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creation_txid = sha3_256(json_str_tx.encode()).hexdigest()
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prepared_token_tx['id'] = creation_txid
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print( f"signed: {prepared_token_tx}")
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from planetmint.transactions.types.assets.create import Create
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from planetmint.transactions.types.assets.transfer import Transfer
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from planetmint.models import Transaction
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from planetmint.transactions.common.exceptions import SchemaValidationError, ValidationError
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from flask import current_app
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from planetmint.transactions.common.transaction_mode_types import BROADCAST_TX_ASYNC
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validated = None
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try:
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tx_obj = Transaction.from_dict(prepared_token_tx)
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except SchemaValidationError as e:
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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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from planetmint.lib import Planetmint
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planet = Planetmint()
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validated = planet.validate_transaction(tx_obj)
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print( f"\n\nVALIDATED =====: {validated}")
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assert not validated == False
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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(ZenroomSha256.run_zenroom(GENERATE_KEYPAIR).output)['keyring']
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bob = json.loads(ZenroomSha256.run_zenroom(GENERATE_KEYPAIR).output)['keyring']
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zen_public_keys = json.loads(ZenroomSha256.run_zenroom(SK_TO_PK.format('Alice'),
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keys={'keyring': alice}).output)
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zen_public_keys.update(json.loads(ZenroomSha256.run_zenroom(SK_TO_PK.format('Bob'),
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keys={'keyring': bob}).output))
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zenroomscpt = ZenroomSha256(script=FULFILL_SCRIPT, data=ZENROOM_DATA, keys=zen_public_keys)
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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': [biolabs.public_key,],
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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': [biolabs.public_key,]
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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': None,
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'outputs': [output,],
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'inputs': [input_,],
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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(
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tx,
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sort_keys=True,
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skipkeys=False,
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separators=(',', ':')
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)
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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.transactions.types.assets.create import Create
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from planetmint.transactions.types.assets.transfer import Transfer
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from planetmint.models import Transaction
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from planetmint.transactions.common.exceptions import SchemaValidationError, ValidationError
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from flask import current_app
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from planetmint.transactions.common.transaction_mode_types import BROADCAST_TX_ASYNC
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validated = None
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try:
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tx_obj = Transaction.from_dict(message)
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except SchemaValidationError as e:
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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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from planetmint.lib import Planetmint
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planet = Planetmint()
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validated = planet.validate_transaction(tx_obj)
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mode = BROADCAST_TX_ASYNC
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status_code, message = planet.write_transaction(tx_obj, mode)
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print( f"\n\nstatus and result : {status_code} + {message}")
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print( f"VALIDATED : {validated}")
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