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https://github.com/trezor/trezor-firmware.git
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147 lines
4.9 KiB
Python
147 lines
4.9 KiB
Python
from common import unittest, await_result, H_
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from trezor import wire
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from trezor.messages.AuthorizeCoinJoin import AuthorizeCoinJoin
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from trezor.messages.TxInputType import TxInputType
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from trezor.messages.TxOutputType import TxOutputType
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from trezor.messages.SignTx import SignTx
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from trezor.messages import InputScriptType, OutputScriptType
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from apps.common import coins
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from apps.bitcoin.authorization import CoinJoinAuthorization
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from apps.bitcoin.sign_tx.approvers import CoinJoinApprover
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class TestApprover(unittest.TestCase):
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def setUp(self):
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self.coin = coins.by_name('Bitcoin')
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self.fee_per_anonymity_percent = 0.003
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self.msg_auth = AuthorizeCoinJoin(
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coordinator="www.example.com",
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max_total_fee=40000,
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fee_per_anonymity=self.fee_per_anonymity_percent * 10**9,
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address_n=[H_(84), H_(0), H_(0)],
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coin_name=self.coin.coin_name,
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script_type=InputScriptType.SPENDWITNESS,
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)
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def test_coinjoin_lots_of_inputs(self):
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denomination = 10000000
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# Other's inputs.
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inputs = [
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TxInputType(
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amount=denomination + 1000000 * (i + 1),
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script_type=InputScriptType.EXTERNAL,
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) for i in range(99)
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]
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# Our input.
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inputs.insert(
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30,
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TxInputType(
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address_n=[H_(84), H_(0), H_(0), 0, 1],
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amount=denomination + 1000000,
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script_type=InputScriptType.SPENDWITNESS,
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)
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)
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# Other's CoinJoined outputs.
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outputs = [
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TxOutputType(
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amount=denomination,
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script_type=OutputScriptType.PAYTOWITNESS,
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) for i in range(99)
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]
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# Our CoinJoined output.
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outputs.insert(
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40,
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TxOutputType(
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address_n=[H_(84), H_(0), H_(0), 0, 2],
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amount=denomination,
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script_type=OutputScriptType.PAYTOWITNESS,
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)
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)
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coordinator_fee = self.fee_per_anonymity_percent / 100 * len(outputs) * denomination
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fees = coordinator_fee + 10000
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total_coordinator_fee = coordinator_fee * len(outputs)
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# Other's change-outputs.
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outputs.extend(
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TxOutputType(
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amount=1000000 * (i + 1) - fees,
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script_type=OutputScriptType.PAYTOWITNESS,
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) for i in range(99)
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)
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# Our change-output.
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outputs.append(
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TxOutputType(
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address_n=[H_(84), H_(0), H_(0), 1, 1],
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amount=1000000 - fees,
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script_type=OutputScriptType.PAYTOWITNESS,
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)
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)
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# Coordinator's output.
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outputs.append(
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TxOutputType(
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amount=total_coordinator_fee,
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script_type=OutputScriptType.PAYTOWITNESS,
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)
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)
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authorization = CoinJoinAuthorization(self.msg_auth, None, self.coin)
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tx = SignTx(outputs_count=len(outputs), inputs_count=len(inputs), coin_name=self.coin.coin_name, lock_time=0)
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approver = CoinJoinApprover(tx, self.coin, authorization)
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for txi in inputs:
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if txi.script_type == InputScriptType.EXTERNAL:
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approver.add_external_input(txi)
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else:
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await_result(approver.add_internal_input(txi, txi.amount))
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for txo in outputs:
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if txo.address_n:
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approver.add_change_output(txo, script_pubkey=bytes(22))
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else:
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await_result(approver.add_external_output(txo, script_pubkey=bytes(22)))
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await_result(approver.approve_tx())
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def test_coinjoin_input_account_depth_mismatch(self):
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authorization = CoinJoinAuthorization(self.msg_auth, None, self.coin)
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tx = SignTx(outputs_count=201, inputs_count=100, coin_name=self.coin.coin_name, lock_time=0)
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approver = CoinJoinApprover(tx, self.coin, authorization)
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txi = TxInputType(
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address_n=[H_(49), H_(0), H_(0), 0],
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amount=10000000,
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script_type=InputScriptType.SPENDWITNESS
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)
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with self.assertRaises(wire.ProcessError):
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await_result(approver.add_internal_input(txi, txi.amount))
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def test_coinjoin_input_account_path_mismatch(self):
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authorization = CoinJoinAuthorization(self.msg_auth, None, self.coin)
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tx = SignTx(outputs_count=201, inputs_count=100, coin_name=self.coin.coin_name, lock_time=0)
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approver = CoinJoinApprover(tx, self.coin, authorization)
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txi = TxInputType(
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address_n=[H_(49), H_(0), H_(0), 0, 2],
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amount=10000000,
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script_type=InputScriptType.SPENDWITNESS
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)
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with self.assertRaises(wire.ProcessError):
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await_result(approver.add_internal_input(txi, txi.amount))
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if __name__ == '__main__':
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unittest.main()
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