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author | w0xlt <woltx@protonmail.com> | 2022-08-06 02:57:14 -0300 |
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committer | w0xlt <woltx@protonmail.com> | 2022-08-11 12:05:09 -0300 |
commit | 8b3d2bbd0d3c87f1a68586822ddc468e0c2f9b52 (patch) | |
tree | b074a30cdb60a0f88689251337eec3c4e95ff341 /test/functional/mempool_datacarrier.py | |
parent | 93999a5fbe317852307455b6a42d137cc08a0edc (diff) | |
download | bitcoin-8b3d2bbd0d3c87f1a68586822ddc468e0c2f9b52.tar.xz |
test: add tests for `datacarrier` and `datacarriersize` options
Co-authored-by: Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
Diffstat (limited to 'test/functional/mempool_datacarrier.py')
-rwxr-xr-x | test/functional/mempool_datacarrier.py | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/test/functional/mempool_datacarrier.py b/test/functional/mempool_datacarrier.py new file mode 100755 index 0000000000..13df564a37 --- /dev/null +++ b/test/functional/mempool_datacarrier.py @@ -0,0 +1,71 @@ +#!/usr/bin/env python3 +# Copyright (c) 2020-2021 The Bitcoin Core developers +# Distributed under the MIT software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. +"""Test datacarrier functionality""" +from test_framework.messages import ( + CTxOut, + MAX_OP_RETURN_RELAY, +) +from test_framework.script import ( + CScript, + OP_RETURN, +) +from test_framework.test_framework import BitcoinTestFramework +from test_framework.test_node import TestNode +from test_framework.util import ( + assert_raises_rpc_error, + random_bytes, +) +from test_framework.wallet import MiniWallet + + +class DataCarrierTest(BitcoinTestFramework): + def set_test_params(self): + self.num_nodes = 3 + self.extra_args = [ + [], + ["-datacarrier=0"], + ["-datacarrier=1", f"-datacarriersize={MAX_OP_RETURN_RELAY - 1}"] + ] + + def test_null_data_transaction(self, node: TestNode, data: bytes, success: bool) -> None: + tx = self.wallet.create_self_transfer(fee_rate=0)["tx"] + tx.vout.append(CTxOut(nValue=0, scriptPubKey=CScript([OP_RETURN, data]))) + tx.vout[0].nValue -= tx.get_vsize() # simply pay 1sat/vbyte fee + + tx_hex = tx.serialize().hex() + + if success: + self.wallet.sendrawtransaction(from_node=node, tx_hex=tx_hex) + assert tx.rehash() in node.getrawmempool(True), f'{tx_hex} not in mempool' + else: + assert_raises_rpc_error(-26, "scriptpubkey", self.wallet.sendrawtransaction, from_node=node, tx_hex=tx_hex) + + def run_test(self): + self.wallet = MiniWallet(self.nodes[0]) + self.wallet.rescan_utxos() + + # By default, only 80 bytes are used for data (+1 for OP_RETURN, +2 for the pushdata opcodes). + default_size_data = random_bytes(MAX_OP_RETURN_RELAY - 3) + too_long_data = random_bytes(MAX_OP_RETURN_RELAY - 2) + small_data = random_bytes(MAX_OP_RETURN_RELAY - 4) + + self.log.info("Testing null data transaction with default -datacarrier and -datacarriersize values.") + self.test_null_data_transaction(node=self.nodes[0], data=default_size_data, success=True) + + self.log.info("Testing a null data transaction larger than allowed by the default -datacarriersize value.") + self.test_null_data_transaction(node=self.nodes[0], data=too_long_data, success=False) + + self.log.info("Testing a null data transaction with -datacarrier=false.") + self.test_null_data_transaction(node=self.nodes[1], data=default_size_data, success=False) + + self.log.info("Testing a null data transaction with a size larger than accepted by -datacarriersize.") + self.test_null_data_transaction(node=self.nodes[2], data=default_size_data, success=False) + + self.log.info("Testing a null data transaction with a size smaller than accepted by -datacarriersize.") + self.test_null_data_transaction(node=self.nodes[2], data=small_data, success=True) + + +if __name__ == '__main__': + DataCarrierTest().main() |