diff options
Diffstat (limited to 'test/functional/data')
-rw-r--r-- | test/functional/data/invalid_txs.py | 180 | ||||
-rw-r--r-- | test/functional/data/rpc_psbt.json | 11 |
2 files changed, 182 insertions, 9 deletions
diff --git a/test/functional/data/invalid_txs.py b/test/functional/data/invalid_txs.py new file mode 100644 index 0000000000..02deae92f3 --- /dev/null +++ b/test/functional/data/invalid_txs.py @@ -0,0 +1,180 @@ +#!/usr/bin/env python3 +# Copyright (c) 2015-2018 The Bitcoin Core developers +# Distributed under the MIT software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. +""" +Templates for constructing various sorts of invalid transactions. + +These templates (or an iterator over all of them) can be reused in different +contexts to test using a number of invalid transaction types. + +Hopefully this makes it easier to get coverage of a full variety of tx +validation checks through different interfaces (AcceptBlock, AcceptToMemPool, +etc.) without repeating ourselves. + +Invalid tx cases not covered here can be found by running: + + $ diff \ + <(grep -IREho "bad-txns[a-zA-Z-]+" src | sort -u) \ + <(grep -IEho "bad-txns[a-zA-Z-]+" test/functional/data/invalid_txs.py | sort -u) + +""" +import abc + +from test_framework.messages import CTransaction, CTxIn, CTxOut, COutPoint +from test_framework import script as sc +from test_framework.blocktools import create_tx_with_script, MAX_BLOCK_SIGOPS + +basic_p2sh = sc.CScript([sc.OP_HASH160, sc.hash160(sc.CScript([sc.OP_0])), sc.OP_EQUAL]) + + +class BadTxTemplate: + """Allows simple construction of a certain kind of invalid tx. Base class to be subclassed.""" + __metaclass__ = abc.ABCMeta + + # The expected error code given by bitcoind upon submission of the tx. + reject_reason = "" + + # Only specified if it differs from mempool acceptance error. + block_reject_reason = "" + + # Do we expect to be disconnected after submitting this tx? + expect_disconnect = False + + # Is this tx considered valid when included in a block, but not for acceptance into + # the mempool (i.e. does it violate policy but not consensus)? + valid_in_block = False + + def __init__(self, *, spend_tx=None, spend_block=None): + self.spend_tx = spend_block.vtx[0] if spend_block else spend_tx + self.spend_avail = sum(o.nValue for o in self.spend_tx.vout) + self.valid_txin = CTxIn(COutPoint(self.spend_tx.sha256, 0), b"", 0xffffffff) + + @abc.abstractmethod + def get_tx(self, *args, **kwargs): + """Return a CTransaction that is invalid per the subclass.""" + pass + + +class OutputMissing(BadTxTemplate): + reject_reason = "bad-txns-vout-empty" + expect_disconnect = False + + def get_tx(self): + tx = CTransaction() + tx.vin.append(self.valid_txin) + tx.calc_sha256() + return tx + + +class InputMissing(BadTxTemplate): + reject_reason = "bad-txns-vin-empty" + expect_disconnect = False + + def get_tx(self): + tx = CTransaction() + tx.vout.append(CTxOut(0, sc.CScript([sc.OP_TRUE] * 100))) + tx.calc_sha256() + return tx + + +class SizeTooSmall(BadTxTemplate): + reject_reason = "tx-size-small" + expect_disconnect = False + valid_in_block = True + + def get_tx(self): + tx = CTransaction() + tx.vin.append(self.valid_txin) + tx.vout.append(CTxOut(0, sc.CScript([sc.OP_TRUE]))) + tx.calc_sha256() + return tx + + +class BadInputOutpointIndex(BadTxTemplate): + # Won't be rejected - nonexistent outpoint index is treated as an orphan since the coins + # database can't distinguish between spent outpoints and outpoints which never existed. + reject_reason = None + expect_disconnect = False + + def get_tx(self): + num_indices = len(self.spend_tx.vin) + bad_idx = num_indices + 100 + + tx = CTransaction() + tx.vin.append(CTxIn(COutPoint(self.spend_tx.sha256, bad_idx), b"", 0xffffffff)) + tx.vout.append(CTxOut(0, basic_p2sh)) + tx.calc_sha256() + return tx + + +class DuplicateInput(BadTxTemplate): + reject_reason = 'bad-txns-inputs-duplicate' + expect_disconnect = True + + def get_tx(self): + tx = CTransaction() + tx.vin.append(self.valid_txin) + tx.vin.append(self.valid_txin) + tx.vout.append(CTxOut(1, basic_p2sh)) + tx.calc_sha256() + return tx + + +class NonexistentInput(BadTxTemplate): + reject_reason = None # Added as an orphan tx. + expect_disconnect = False + + def get_tx(self): + tx = CTransaction() + tx.vin.append(CTxIn(COutPoint(self.spend_tx.sha256 + 1, 0), b"", 0xffffffff)) + tx.vin.append(self.valid_txin) + tx.vout.append(CTxOut(1, basic_p2sh)) + tx.calc_sha256() + return tx + + +class SpendTooMuch(BadTxTemplate): + reject_reason = 'bad-txns-in-belowout' + expect_disconnect = True + + def get_tx(self): + return create_tx_with_script( + self.spend_tx, 0, script_pub_key=basic_p2sh, amount=(self.spend_avail + 1)) + + +class SpendNegative(BadTxTemplate): + reject_reason = 'bad-txns-vout-negative' + expect_disconnect = True + + def get_tx(self): + return create_tx_with_script(self.spend_tx, 0, amount=-1) + + +class InvalidOPIFConstruction(BadTxTemplate): + reject_reason = "mandatory-script-verify-flag-failed (Invalid OP_IF construction)" + expect_disconnect = True + valid_in_block = True + + def get_tx(self): + return create_tx_with_script( + self.spend_tx, 0, script_sig=b'\x64' * 35, + amount=(self.spend_avail // 2)) + + +class TooManySigops(BadTxTemplate): + reject_reason = "bad-txns-too-many-sigops" + block_reject_reason = "bad-blk-sigops, out-of-bounds SigOpCount" + expect_disconnect = False + + def get_tx(self): + lotsa_checksigs = sc.CScript([sc.OP_CHECKSIG] * (MAX_BLOCK_SIGOPS)) + return create_tx_with_script( + self.spend_tx, 0, + script_pub_key=lotsa_checksigs, + amount=1) + + +def iter_all_templates(): + """Iterate through all bad transaction template types.""" + return BadTxTemplate.__subclasses__() diff --git a/test/functional/data/rpc_psbt.json b/test/functional/data/rpc_psbt.json index 9f970b4961..57f2608ee9 100644 --- a/test/functional/data/rpc_psbt.json +++ b/test/functional/data/rpc_psbt.json @@ -17,7 +17,8 @@ "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", "cHNidP8BAHMCAAAAATAa6YblFqHsisW0vGVz0y+DtGXiOtdhZ9aLOOcwtNvbAAAAAAD/////AnR7AQAAAAAAF6kUA6oXrogrXQ1Usl1jEE5P/s57nqKHYEOZOwAAAAAXqRS5IbG6b3IuS/qDtlV6MTmYakLsg4cAAAAAAAEBHwDKmjsAAAAAFgAU0tlLZK4IWH7vyO6xh8YB6Tn5A3wCAwABAAAAAAEAFgAUYunpgv/zTdgjlhAxawkM0qO3R8sAAQAiACCHa62DLx0WgBXtQSMqnqZaGBXZ7xPA74dZ9ktbKyeKZQEBJVEhA7fOI6AcW0vwCmQlN836uzFbZoMyhnR471EwnSvVf4qHUa4A", "cHNidP8BAHMCAAAAATAa6YblFqHsisW0vGVz0y+DtGXiOtdhZ9aLOOcwtNvbAAAAAAD/////AnR7AQAAAAAAF6kUA6oXrogrXQ1Usl1jEE5P/s57nqKHYEOZOwAAAAAXqRS5IbG6b3IuS/qDtlV6MTmYakLsg4cAAAAAAAEBHwDKmjsAAAAAFgAU0tlLZK4IWH7vyO6xh8YB6Tn5A3wAAgAAFgAUYunpgv/zTdgjlhAxawkM0qO3R8sAAQAiACCHa62DLx0WgBXtQSMqnqZaGBXZ7xPA74dZ9ktbKyeKZQEBJVEhA7fOI6AcW0vwCmQlN836uzFbZoMyhnR471EwnSvVf4qHUa4A", - 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