533 lines
22 KiB
Python
533 lines
22 KiB
Python
# Copyright BigchainDB GmbH and BigchainDB contributors
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# SPDX-License-Identifier: (Apache-2.0 AND CC-BY-4.0)
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# Code is Apache-2.0 and docs are CC-BY-4.0
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from unittest.mock import patch
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import pytest
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from base58 import b58decode
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pytestmark = pytest.mark.bdb
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class TestBigchainApi(object):
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def test_get_spent_with_double_spend_detected(self, b, alice):
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from bigchaindb.models import Transaction
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from bigchaindb.common.exceptions import DoubleSpend
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from bigchaindb.exceptions import CriticalDoubleSpend
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tx = Transaction.create([alice.public_key], [([alice.public_key], 1)])
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tx = tx.sign([alice.private_key])
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b.store_bulk_transactions([tx])
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transfer_tx = Transaction.transfer(tx.to_inputs(), [([alice.public_key], 1)],
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asset_id=tx.id)
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transfer_tx = transfer_tx.sign([alice.private_key])
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transfer_tx2 = Transaction.transfer(tx.to_inputs(), [([alice.public_key], 2)],
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asset_id=tx.id)
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transfer_tx2 = transfer_tx2.sign([alice.private_key])
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with pytest.raises(DoubleSpend):
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b.validate_transaction(transfer_tx2, [transfer_tx])
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b.store_bulk_transactions([transfer_tx])
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with pytest.raises(DoubleSpend):
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b.validate_transaction(transfer_tx2)
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b.store_bulk_transactions([transfer_tx2])
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with pytest.raises(CriticalDoubleSpend):
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b.get_spent(tx.id, 0)
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def test_double_inclusion(self, b, alice):
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from bigchaindb.models import Transaction
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from bigchaindb.backend.exceptions import OperationError
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tx = Transaction.create([alice.public_key], [([alice.public_key], 1)])
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tx = tx.sign([alice.private_key])
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b.store_bulk_transactions([tx])
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with pytest.raises(OperationError):
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b.store_bulk_transactions([tx])
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def test_text_search(self, b, alice):
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from bigchaindb.models import Transaction
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# define the assets
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asset1 = {'msg': 'BigchainDB 1'}
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asset2 = {'msg': 'BigchainDB 2'}
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asset3 = {'msg': 'BigchainDB 3'}
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# create the transactions
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tx1 = Transaction.create([alice.public_key], [([alice.public_key], 1)],
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asset=asset1).sign([alice.private_key])
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tx2 = Transaction.create([alice.public_key], [([alice.public_key], 1)],
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asset=asset2).sign([alice.private_key])
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tx3 = Transaction.create([alice.public_key], [([alice.public_key], 1)],
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asset=asset3).sign([alice.private_key])
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# write the transactions to the DB
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b.store_bulk_transactions([tx1, tx2, tx3])
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# get the assets through text search
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assets = list(b.text_search('bigchaindb'))
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assert len(assets) == 3
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@pytest.mark.usefixtures('inputs')
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def test_non_create_input_not_found(self, b, user_pk):
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from cryptoconditions import Ed25519Sha256
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from bigchaindb.common.exceptions import InputDoesNotExist
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from bigchaindb.common.transaction import Input, TransactionLink
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from bigchaindb.models import Transaction
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# Create an input for a non existing transaction
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input = Input(Ed25519Sha256(public_key=b58decode(user_pk)),
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[user_pk],
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TransactionLink('somethingsomething', 0))
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tx = Transaction.transfer([input], [([user_pk], 1)],
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asset_id='mock_asset_link')
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with pytest.raises(InputDoesNotExist):
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tx.validate(b)
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def test_write_transaction(self, b, user_sk, user_pk, alice, create_tx):
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from bigchaindb.models import Transaction
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asset1 = {'msg': 'BigchainDB 1'}
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tx = Transaction.create([alice.public_key], [([alice.public_key], 1)],
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asset=asset1).sign([alice.private_key])
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b.store_bulk_transactions([tx])
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tx_from_db = b.get_transaction(tx.id)
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before = tx.to_dict()
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after = tx_from_db.to_dict()
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assert before['asset']['data'] == after['asset']['data']
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before.pop('asset', None)
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after.pop('asset', None)
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assert before == after
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class TestTransactionValidation(object):
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def test_non_create_input_not_found(self, b, signed_transfer_tx):
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from bigchaindb.common.exceptions import InputDoesNotExist
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from bigchaindb.common.transaction import TransactionLink
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signed_transfer_tx.inputs[0].fulfills = TransactionLink('c', 0)
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with pytest.raises(InputDoesNotExist):
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b.validate_transaction(signed_transfer_tx)
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@pytest.mark.usefixtures('inputs')
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def test_non_create_valid_input_wrong_owner(self, b, user_pk):
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from bigchaindb.common.crypto import generate_key_pair
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from bigchaindb.common.exceptions import InvalidSignature
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from bigchaindb.models import Transaction
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input_tx = b.fastquery.get_outputs_by_public_key(user_pk).pop()
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input_transaction = b.get_transaction(input_tx.txid)
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sk, pk = generate_key_pair()
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tx = Transaction.create([pk], [([user_pk], 1)])
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tx.operation = 'TRANSFER'
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tx.asset = {'id': input_transaction.id}
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tx.inputs[0].fulfills = input_tx
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with pytest.raises(InvalidSignature):
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b.validate_transaction(tx)
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@pytest.mark.usefixtures('inputs')
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def test_non_create_double_spend(self, b, signed_create_tx,
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signed_transfer_tx, double_spend_tx):
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from bigchaindb.common.exceptions import DoubleSpend
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b.store_bulk_transactions([signed_create_tx, signed_transfer_tx])
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with pytest.raises(DoubleSpend):
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b.validate_transaction(double_spend_tx)
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class TestMultipleInputs(object):
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def test_transfer_single_owner_single_input(self, b, inputs, user_pk,
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user_sk):
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from bigchaindb.common import crypto
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from bigchaindb.models import Transaction
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user2_sk, user2_pk = crypto.generate_key_pair()
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tx_link = b.fastquery.get_outputs_by_public_key(user_pk).pop()
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input_tx = b.get_transaction(tx_link.txid)
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inputs = input_tx.to_inputs()
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tx = Transaction.transfer(inputs, [([user2_pk], 1)],
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asset_id=input_tx.id)
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tx = tx.sign([user_sk])
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# validate transaction
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tx.validate(b)
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assert len(tx.inputs) == 1
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assert len(tx.outputs) == 1
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def test_single_owner_before_multiple_owners_after_single_input(self, b,
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user_sk,
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user_pk,
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inputs):
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from bigchaindb.common import crypto
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from bigchaindb.models import Transaction
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user2_sk, user2_pk = crypto.generate_key_pair()
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user3_sk, user3_pk = crypto.generate_key_pair()
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tx_link = b.fastquery.get_outputs_by_public_key(user_pk).pop()
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input_tx = b.get_transaction(tx_link.txid)
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tx = Transaction.transfer(input_tx.to_inputs(),
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[([user2_pk, user3_pk], 1)],
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asset_id=input_tx.id)
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tx = tx.sign([user_sk])
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tx.validate(b)
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assert len(tx.inputs) == 1
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assert len(tx.outputs) == 1
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@pytest.mark.usefixtures('inputs')
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def test_multiple_owners_before_single_owner_after_single_input(self, b,
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user_sk,
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user_pk,
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alice):
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from bigchaindb.common import crypto
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from bigchaindb.models import Transaction
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user2_sk, user2_pk = crypto.generate_key_pair()
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user3_sk, user3_pk = crypto.generate_key_pair()
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tx = Transaction.create([alice.public_key], [([user_pk, user2_pk], 1)])
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tx = tx.sign([alice.private_key])
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b.store_bulk_transactions([tx])
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owned_input = b.fastquery.get_outputs_by_public_key(user_pk).pop()
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input_tx = b.get_transaction(owned_input.txid)
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inputs = input_tx.to_inputs()
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transfer_tx = Transaction.transfer(inputs, [([user3_pk], 1)],
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asset_id=input_tx.id)
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transfer_tx = transfer_tx.sign([user_sk, user2_sk])
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# validate transaction
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transfer_tx.validate(b)
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assert len(transfer_tx.inputs) == 1
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assert len(transfer_tx.outputs) == 1
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@pytest.mark.usefixtures('inputs')
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def test_multiple_owners_before_multiple_owners_after_single_input(self, b,
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user_sk,
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user_pk,
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alice):
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from bigchaindb.common import crypto
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from bigchaindb.models import Transaction
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user2_sk, user2_pk = crypto.generate_key_pair()
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user3_sk, user3_pk = crypto.generate_key_pair()
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user4_sk, user4_pk = crypto.generate_key_pair()
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tx = Transaction.create([alice.public_key], [([user_pk, user2_pk], 1)])
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tx = tx.sign([alice.private_key])
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b.store_bulk_transactions([tx])
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# get input
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tx_link = b.fastquery.get_outputs_by_public_key(user_pk).pop()
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tx_input = b.get_transaction(tx_link.txid)
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tx = Transaction.transfer(tx_input.to_inputs(),
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[([user3_pk, user4_pk], 1)],
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asset_id=tx_input.id)
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tx = tx.sign([user_sk, user2_sk])
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tx.validate(b)
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assert len(tx.inputs) == 1
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assert len(tx.outputs) == 1
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def test_get_owned_ids_single_tx_single_output(self, b, user_sk, user_pk, alice):
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from bigchaindb.common import crypto
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from bigchaindb.common.transaction import TransactionLink
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from bigchaindb.models import Transaction
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user2_sk, user2_pk = crypto.generate_key_pair()
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tx = Transaction.create([alice.public_key], [([user_pk], 1)])
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tx = tx.sign([alice.private_key])
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b.store_bulk_transactions([tx])
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owned_inputs_user1 = b.fastquery.get_outputs_by_public_key(user_pk)
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owned_inputs_user2 = b.fastquery.get_outputs_by_public_key(user2_pk)
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assert owned_inputs_user1 == [TransactionLink(tx.id, 0)]
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assert owned_inputs_user2 == []
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tx_transfer = Transaction.transfer(tx.to_inputs(), [([user2_pk], 1)],
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asset_id=tx.id)
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tx_transfer = tx_transfer.sign([user_sk])
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b.store_bulk_transactions([tx_transfer])
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owned_inputs_user1 = b.fastquery.get_outputs_by_public_key(user_pk)
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owned_inputs_user2 = b.fastquery.get_outputs_by_public_key(user2_pk)
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assert owned_inputs_user1 == [TransactionLink(tx.id, 0)]
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assert owned_inputs_user2 == [TransactionLink(tx_transfer.id, 0)]
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def test_get_owned_ids_single_tx_multiple_outputs(self, b, user_sk,
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user_pk, alice):
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from bigchaindb.common import crypto
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from bigchaindb.common.transaction import TransactionLink
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from bigchaindb.models import Transaction
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user2_sk, user2_pk = crypto.generate_key_pair()
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# create divisible asset
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tx_create = Transaction.create([alice.public_key], [([user_pk], 1), ([user_pk], 1)])
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tx_create_signed = tx_create.sign([alice.private_key])
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b.store_bulk_transactions([tx_create_signed])
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# get input
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owned_inputs_user1 = b.fastquery.get_outputs_by_public_key(user_pk)
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owned_inputs_user2 = b.fastquery.get_outputs_by_public_key(user2_pk)
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expected_owned_inputs_user1 = [TransactionLink(tx_create.id, 0),
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TransactionLink(tx_create.id, 1)]
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assert owned_inputs_user1 == expected_owned_inputs_user1
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assert owned_inputs_user2 == []
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# transfer divisible asset divided in two outputs
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tx_transfer = Transaction.transfer(tx_create.to_inputs(),
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[([user2_pk], 1), ([user2_pk], 1)],
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asset_id=tx_create.id)
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tx_transfer_signed = tx_transfer.sign([user_sk])
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b.store_bulk_transactions([tx_transfer_signed])
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owned_inputs_user1 = b.fastquery.get_outputs_by_public_key(user_pk)
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owned_inputs_user2 = b.fastquery.get_outputs_by_public_key(user2_pk)
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assert owned_inputs_user1 == expected_owned_inputs_user1
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assert owned_inputs_user2 == [TransactionLink(tx_transfer.id, 0),
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TransactionLink(tx_transfer.id, 1)]
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def test_get_owned_ids_multiple_owners(self, b, user_sk, user_pk, alice):
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from bigchaindb.common import crypto
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from bigchaindb.common.transaction import TransactionLink
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from bigchaindb.models import Transaction
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user2_sk, user2_pk = crypto.generate_key_pair()
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user3_sk, user3_pk = crypto.generate_key_pair()
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tx = Transaction.create([alice.public_key], [([user_pk, user2_pk], 1)])
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tx = tx.sign([alice.private_key])
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b.store_bulk_transactions([tx])
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owned_inputs_user1 = b.fastquery.get_outputs_by_public_key(user_pk)
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owned_inputs_user2 = b.fastquery.get_outputs_by_public_key(user_pk)
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expected_owned_inputs_user1 = [TransactionLink(tx.id, 0)]
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assert owned_inputs_user1 == owned_inputs_user2
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assert owned_inputs_user1 == expected_owned_inputs_user1
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tx = Transaction.transfer(tx.to_inputs(), [([user3_pk], 1)],
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asset_id=tx.id)
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tx = tx.sign([user_sk, user2_sk])
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b.store_bulk_transactions([tx])
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owned_inputs_user1 = b.fastquery.get_outputs_by_public_key(user_pk)
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owned_inputs_user2 = b.fastquery.get_outputs_by_public_key(user2_pk)
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spent_user1 = b.get_spent(tx.id, 0)
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assert owned_inputs_user1 == owned_inputs_user2
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assert not spent_user1
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def test_get_spent_single_tx_single_output(self, b, user_sk, user_pk, alice):
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from bigchaindb.common import crypto
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from bigchaindb.models import Transaction
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user2_sk, user2_pk = crypto.generate_key_pair()
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tx = Transaction.create([alice.public_key], [([user_pk], 1)])
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tx = tx.sign([alice.private_key])
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b.store_bulk_transactions([tx])
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owned_inputs_user1 = b.fastquery.get_outputs_by_public_key(user_pk).pop()
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# check spents
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input_txid = owned_inputs_user1.txid
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spent_inputs_user1 = b.get_spent(input_txid, 0)
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assert spent_inputs_user1 is None
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# create a transaction and send it
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tx = Transaction.transfer(tx.to_inputs(), [([user2_pk], 1)],
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asset_id=tx.id)
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tx = tx.sign([user_sk])
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b.store_bulk_transactions([tx])
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spent_inputs_user1 = b.get_spent(input_txid, 0)
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assert spent_inputs_user1 == tx
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def test_get_spent_single_tx_multiple_outputs(self, b, user_sk, user_pk, alice):
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from bigchaindb.common import crypto
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from bigchaindb.models import Transaction
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# create a new users
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user2_sk, user2_pk = crypto.generate_key_pair()
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# create a divisible asset with 3 outputs
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tx_create = Transaction.create([alice.public_key],
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[([user_pk], 1),
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([user_pk], 1),
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([user_pk], 1)])
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tx_create_signed = tx_create.sign([alice.private_key])
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b.store_bulk_transactions([tx_create_signed])
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owned_inputs_user1 = b.fastquery.get_outputs_by_public_key(user_pk)
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# check spents
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for input_tx in owned_inputs_user1:
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assert b.get_spent(input_tx.txid, input_tx.output) is None
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# transfer the first 2 inputs
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tx_transfer = Transaction.transfer(tx_create.to_inputs()[:2],
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[([user2_pk], 1), ([user2_pk], 1)],
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asset_id=tx_create.id)
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tx_transfer_signed = tx_transfer.sign([user_sk])
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b.store_bulk_transactions([tx_transfer_signed])
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# check that used inputs are marked as spent
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for ffill in tx_create.to_inputs()[:2]:
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spent_tx = b.get_spent(ffill.fulfills.txid, ffill.fulfills.output)
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assert spent_tx == tx_transfer_signed
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# check if remaining transaction that was unspent is also perceived
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# spendable by BigchainDB
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assert b.get_spent(tx_create.to_inputs()[2].fulfills.txid, 2) is None
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def test_get_spent_multiple_owners(self, b, user_sk, user_pk, alice):
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from bigchaindb.common import crypto
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from bigchaindb.models import Transaction
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user2_sk, user2_pk = crypto.generate_key_pair()
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user3_sk, user3_pk = crypto.generate_key_pair()
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transactions = []
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for i in range(3):
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payload = {'somedata': i}
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tx = Transaction.create([alice.public_key], [([user_pk, user2_pk], 1)],
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payload)
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tx = tx.sign([alice.private_key])
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transactions.append(tx)
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b.store_bulk_transactions(transactions)
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owned_inputs_user1 = b.fastquery.get_outputs_by_public_key(user_pk)
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# check spents
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for input_tx in owned_inputs_user1:
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assert b.get_spent(input_tx.txid, input_tx.output) is None
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# create a transaction
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tx = Transaction.transfer(transactions[0].to_inputs(),
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[([user3_pk], 1)],
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asset_id=transactions[0].id)
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tx = tx.sign([user_sk, user2_sk])
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b.store_bulk_transactions([tx])
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# check that used inputs are marked as spent
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assert b.get_spent(transactions[0].id, 0) == tx
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# check that the other remain marked as unspent
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for unspent in transactions[1:]:
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assert b.get_spent(unspent.id, 0) is None
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def test_get_outputs_filtered_only_unspent():
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from bigchaindb.common.transaction import TransactionLink
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from bigchaindb.lib import BigchainDB
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go = 'bigchaindb.fastquery.FastQuery.get_outputs_by_public_key'
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with patch(go) as get_outputs:
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get_outputs.return_value = [TransactionLink('a', 1),
|
|
TransactionLink('b', 2)]
|
|
fs = 'bigchaindb.fastquery.FastQuery.filter_spent_outputs'
|
|
with patch(fs) as filter_spent:
|
|
filter_spent.return_value = [TransactionLink('b', 2)]
|
|
out = BigchainDB().get_outputs_filtered('abc', spent=False)
|
|
get_outputs.assert_called_once_with('abc')
|
|
assert out == [TransactionLink('b', 2)]
|
|
|
|
|
|
def test_get_outputs_filtered_only_spent():
|
|
from bigchaindb.common.transaction import TransactionLink
|
|
from bigchaindb.lib import BigchainDB
|
|
go = 'bigchaindb.fastquery.FastQuery.get_outputs_by_public_key'
|
|
with patch(go) as get_outputs:
|
|
get_outputs.return_value = [TransactionLink('a', 1),
|
|
TransactionLink('b', 2)]
|
|
fs = 'bigchaindb.fastquery.FastQuery.filter_unspent_outputs'
|
|
with patch(fs) as filter_spent:
|
|
filter_spent.return_value = [TransactionLink('b', 2)]
|
|
out = BigchainDB().get_outputs_filtered('abc', spent=True)
|
|
get_outputs.assert_called_once_with('abc')
|
|
assert out == [TransactionLink('b', 2)]
|
|
|
|
|
|
@patch('bigchaindb.fastquery.FastQuery.filter_unspent_outputs')
|
|
@patch('bigchaindb.fastquery.FastQuery.filter_spent_outputs')
|
|
def test_get_outputs_filtered(filter_spent, filter_unspent):
|
|
from bigchaindb.common.transaction import TransactionLink
|
|
from bigchaindb.lib import BigchainDB
|
|
|
|
go = 'bigchaindb.fastquery.FastQuery.get_outputs_by_public_key'
|
|
with patch(go) as get_outputs:
|
|
get_outputs.return_value = [TransactionLink('a', 1),
|
|
TransactionLink('b', 2)]
|
|
out = BigchainDB().get_outputs_filtered('abc')
|
|
get_outputs.assert_called_once_with('abc')
|
|
filter_spent.assert_not_called()
|
|
filter_unspent.assert_not_called()
|
|
assert out == get_outputs.return_value
|
|
|
|
|
|
def test_cant_spend_same_input_twice_in_tx(b, alice):
|
|
"""Recreate duplicated fulfillments bug
|
|
https://github.com/bigchaindb/bigchaindb/issues/1099
|
|
"""
|
|
from bigchaindb.models import Transaction
|
|
from bigchaindb.common.exceptions import DoubleSpend
|
|
|
|
# create a divisible asset
|
|
tx_create = Transaction.create([alice.public_key], [([alice.public_key], 100)])
|
|
tx_create_signed = tx_create.sign([alice.private_key])
|
|
assert b.validate_transaction(tx_create_signed) == tx_create_signed
|
|
|
|
b.store_bulk_transactions([tx_create_signed])
|
|
|
|
# Create a transfer transaction with duplicated fulfillments
|
|
dup_inputs = tx_create.to_inputs() + tx_create.to_inputs()
|
|
tx_transfer = Transaction.transfer(dup_inputs, [([alice.public_key], 200)],
|
|
asset_id=tx_create.id)
|
|
tx_transfer_signed = tx_transfer.sign([alice.private_key])
|
|
with pytest.raises(DoubleSpend):
|
|
tx_transfer_signed.validate(b)
|
|
|
|
|
|
def test_transaction_unicode(b, alice):
|
|
import copy
|
|
from bigchaindb.common.utils import serialize
|
|
from bigchaindb.models import Transaction
|
|
|
|
# http://www.fileformat.info/info/unicode/char/1f37a/index.htm
|
|
beer_python = {'beer': '\N{BEER MUG}'}
|
|
beer_json = '{"beer":"\N{BEER MUG}"}'
|
|
|
|
tx = (Transaction.create([alice.public_key], [([alice.public_key], 100)], beer_python)
|
|
).sign([alice.private_key])
|
|
|
|
tx_1 = copy.deepcopy(tx)
|
|
b.store_bulk_transactions([tx])
|
|
|
|
assert beer_json in serialize(tx_1.to_dict())
|