rpc: Add testmempoolaccept

This commit is contained in:
MarcoFalke 2017-11-17 12:54:39 -05:00
parent b43aba89e3
commit b55555da3e
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GPG key ID: CE2B75697E69A548
10 changed files with 399 additions and 14 deletions

View file

@ -103,6 +103,8 @@ static const CRPCConvertParam vRPCConvertParams[] =
{ "signrawtransactionwithkey", 2, "prevtxs" },
{ "signrawtransactionwithwallet", 1, "prevtxs" },
{ "sendrawtransaction", 1, "allowhighfees" },
{ "testmempoolaccept", 0, "rawtxs" },
{ "testmempoolaccept", 1, "allowhighfees" },
{ "combinerawtransaction", 0, "txs" },
{ "fundrawtransaction", 1, "options" },
{ "fundrawtransaction", 2, "iswitness" },

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@ -1134,6 +1134,87 @@ UniValue sendrawtransaction(const JSONRPCRequest& request)
return hashTx.GetHex();
}
UniValue testmempoolaccept(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) {
throw std::runtime_error(
// clang-format off
"testmempoolaccept [\"rawtxs\"] ( allowhighfees )\n"
"\nReturns if raw transaction (serialized, hex-encoded) would be accepted by mempool.\n"
"\nThis checks if the transaction violates the consensus or policy rules.\n"
"\nSee sendrawtransaction call.\n"
"\nArguments:\n"
"1. [\"rawtxs\"] (array, required) An array of hex strings of raw transactions.\n"
" Length must be one for now.\n"
"2. allowhighfees (boolean, optional, default=false) Allow high fees\n"
"\nResult:\n"
"[ (array) The result of the mempool acceptance test for each raw transaction in the input array.\n"
" Length is exactly one for now.\n"
" {\n"
" \"txid\" (string) The transaction hash in hex\n"
" \"allowed\" (boolean) If the mempool allows this tx to be inserted\n"
" \"reject-reason\" (string) Rejection string (only present when 'allowed' is false)\n"
" }\n"
"]\n"
"\nExamples:\n"
"\nCreate a transaction\n"
+ HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\" : \\\"mytxid\\\",\\\"vout\\\":0}]\" \"{\\\"myaddress\\\":0.01}\"") +
"Sign the transaction, and get back the hex\n"
+ HelpExampleCli("signrawtransaction", "\"myhex\"") +
"\nTest acceptance of the transaction (signed hex)\n"
+ HelpExampleCli("testmempoolaccept", "\"signedhex\"") +
"\nAs a json rpc call\n"
+ HelpExampleRpc("testmempoolaccept", "[\"signedhex\"]")
// clang-format on
);
}
ObserveSafeMode();
RPCTypeCheck(request.params, {UniValue::VARR, UniValue::VBOOL});
if (request.params[0].get_array().size() != 1) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Array must contain exactly one raw transaction for now");
}
CMutableTransaction mtx;
if (!DecodeHexTx(mtx, request.params[0].get_array()[0].get_str())) {
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
}
CTransactionRef tx(MakeTransactionRef(std::move(mtx)));
const uint256& tx_hash = tx->GetHash();
CAmount max_raw_tx_fee = ::maxTxFee;
if (!request.params[1].isNull() && request.params[1].get_bool()) {
max_raw_tx_fee = 0;
}
UniValue result(UniValue::VARR);
UniValue result_0(UniValue::VOBJ);
result_0.pushKV("txid", tx_hash.GetHex());
CValidationState state;
bool missing_inputs;
bool test_accept_res;
{
LOCK(cs_main);
test_accept_res = AcceptToMemoryPool(mempool, state, std::move(tx), &missing_inputs,
nullptr /* plTxnReplaced */, false /* bypass_limits */, max_raw_tx_fee, /* test_accpet */ true);
}
result_0.pushKV("allowed", test_accept_res);
if (!test_accept_res) {
if (state.IsInvalid()) {
result_0.pushKV("reject-reason", strprintf("%i: %s", state.GetRejectCode(), state.GetRejectReason()));
} else if (missing_inputs) {
result_0.pushKV("reject-reason", "missing-inputs");
} else {
result_0.pushKV("reject-reason", state.GetRejectReason());
}
}
result.push_back(std::move(result_0));
return result;
}
static const CRPCCommand commands[] =
{ // category name actor (function) argNames
// --------------------- ------------------------ ----------------------- ----------
@ -1145,6 +1226,7 @@ static const CRPCCommand commands[] =
{ "rawtransactions", "combinerawtransaction", &combinerawtransaction, {"txs"} },
{ "rawtransactions", "signrawtransaction", &signrawtransaction, {"hexstring","prevtxs","privkeys","sighashtype"} }, /* uses wallet if enabled */
{ "rawtransactions", "signrawtransactionwithkey", &signrawtransactionwithkey, {"hexstring","privkeys","prevtxs","sighashtype"} },
{ "rawtransactions", "testmempoolaccept", &testmempoolaccept, {"rawtxs","allowhighfees"} },
{ "blockchain", "gettxoutproof", &gettxoutproof, {"txids", "blockhash"} },
{ "blockchain", "verifytxoutproof", &verifytxoutproof, {"proof"} },

View file

@ -447,7 +447,7 @@ void CTxMemPool::removeUnchecked(txiter it, MemPoolRemovalReason reason)
// Also assumes that if an entry is in setDescendants already, then all
// in-mempool descendants of it are already in setDescendants as well, so that we
// can save time by not iterating over those entries.
void CTxMemPool::CalculateDescendants(txiter entryit, setEntries &setDescendants)
void CTxMemPool::CalculateDescendants(txiter entryit, setEntries& setDescendants) const
{
setEntries stage;
if (setDescendants.count(entryit) == 0) {

View file

@ -600,7 +600,7 @@ public:
/** Populate setDescendants with all in-mempool descendants of hash.
* Assumes that setDescendants includes all in-mempool descendants of anything
* already in it. */
void CalculateDescendants(txiter it, setEntries &setDescendants);
void CalculateDescendants(txiter it, setEntries& setDescendants) const;
/** The minimum fee to get into the mempool, which may itself not be enough
* for larger-sized transactions.

View file

@ -542,7 +542,7 @@ static bool CheckInputsFromMempoolAndCache(const CTransaction& tx, CValidationSt
static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool& pool, CValidationState& state, const CTransactionRef& ptx,
bool* pfMissingInputs, int64_t nAcceptTime, std::list<CTransactionRef>* plTxnReplaced,
bool bypass_limits, const CAmount& nAbsurdFee, std::vector<COutPoint>& coins_to_uncache)
bool bypass_limits, const CAmount& nAbsurdFee, std::vector<COutPoint>& coins_to_uncache, bool test_accept)
{
const CTransaction& tx = *ptx;
const uint256 hash = tx.GetHash();
@ -934,6 +934,11 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
}
}
if (test_accept) {
// Tx was accepted, but not added
return true;
}
// Remove conflicting transactions from the mempool
for (const CTxMemPool::txiter it : allConflicting)
{
@ -973,10 +978,10 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
/** (try to) add transaction to memory pool with a specified acceptance time **/
static bool AcceptToMemoryPoolWithTime(const CChainParams& chainparams, CTxMemPool& pool, CValidationState &state, const CTransactionRef &tx,
bool* pfMissingInputs, int64_t nAcceptTime, std::list<CTransactionRef>* plTxnReplaced,
bool bypass_limits, const CAmount nAbsurdFee)
bool bypass_limits, const CAmount nAbsurdFee, bool test_accept)
{
std::vector<COutPoint> coins_to_uncache;
bool res = AcceptToMemoryPoolWorker(chainparams, pool, state, tx, pfMissingInputs, nAcceptTime, plTxnReplaced, bypass_limits, nAbsurdFee, coins_to_uncache);
bool res = AcceptToMemoryPoolWorker(chainparams, pool, state, tx, pfMissingInputs, nAcceptTime, plTxnReplaced, bypass_limits, nAbsurdFee, coins_to_uncache, test_accept);
if (!res) {
for (const COutPoint& hashTx : coins_to_uncache)
pcoinsTip->Uncache(hashTx);
@ -989,10 +994,10 @@ static bool AcceptToMemoryPoolWithTime(const CChainParams& chainparams, CTxMemPo
bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransactionRef &tx,
bool* pfMissingInputs, std::list<CTransactionRef>* plTxnReplaced,
bool bypass_limits, const CAmount nAbsurdFee)
bool bypass_limits, const CAmount nAbsurdFee, bool test_accept)
{
const CChainParams& chainparams = Params();
return AcceptToMemoryPoolWithTime(chainparams, pool, state, tx, pfMissingInputs, GetTime(), plTxnReplaced, bypass_limits, nAbsurdFee);
return AcceptToMemoryPoolWithTime(chainparams, pool, state, tx, pfMissingInputs, GetTime(), plTxnReplaced, bypass_limits, nAbsurdFee, test_accept);
}
/**
@ -4639,7 +4644,8 @@ bool LoadMempool(void)
if (nTime + nExpiryTimeout > nNow) {
LOCK(cs_main);
AcceptToMemoryPoolWithTime(chainparams, mempool, state, tx, nullptr /* pfMissingInputs */, nTime,
nullptr /* plTxnReplaced */, false /* bypass_limits */, 0 /* nAbsurdFee */);
nullptr /* plTxnReplaced */, false /* bypass_limits */, 0 /* nAbsurdFee */,
false /* test_accept */);
if (state.IsValid()) {
++count;
} else {

View file

@ -307,7 +307,7 @@ void PruneBlockFilesManual(int nManualPruneHeight);
* plTxnReplaced will be appended to with all transactions replaced from mempool **/
bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransactionRef &tx,
bool* pfMissingInputs, std::list<CTransactionRef>* plTxnReplaced,
bool bypass_limits, const CAmount nAbsurdFee);
bool bypass_limits, const CAmount nAbsurdFee, bool test_accept=false);
/** Convert CValidationState to a human-readable message for logging */
std::string FormatStateMessage(const CValidationState &state);

293
test/functional/mempool_accept.py Executable file
View file

@ -0,0 +1,293 @@
#!/usr/bin/env python3
# Copyright (c) 2017 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 mempool acceptance of raw transactions."""
from io import BytesIO
from test_framework.test_framework import BitcoinTestFramework
from test_framework.messages import (
BIP125_SEQUENCE_NUMBER,
COIN,
COutPoint,
CTransaction,
CTxOut,
MAX_BLOCK_BASE_SIZE,
)
from test_framework.script import (
hash160,
CScript,
OP_0,
OP_EQUAL,
OP_HASH160,
OP_RETURN,
)
from test_framework.util import (
assert_equal,
assert_raises_rpc_error,
bytes_to_hex_str,
hex_str_to_bytes,
wait_until,
)
class MempoolAcceptanceTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 1
self.extra_args = [[
'-checkmempool',
'-txindex',
'-reindex', # Need reindex for txindex
'-acceptnonstdtxn=0', # Try to mimic main-net
]] * self.num_nodes
def check_mempool_result(self, result_expected, *args, **kwargs):
"""Wrapper to check result of testmempoolaccept on node_0's mempool"""
result_test = self.nodes[0].testmempoolaccept(*args, **kwargs)
assert_equal(result_expected, result_test)
assert_equal(self.nodes[0].getmempoolinfo()['size'], self.mempool_size) # Must not change mempool state
def run_test(self):
node = self.nodes[0]
self.log.info('Start with empty mempool, and 200 blocks')
self.mempool_size = 0
wait_until(lambda: node.getblockcount() == 200)
assert_equal(node.getmempoolinfo()['size'], self.mempool_size)
self.log.info('Should not accept garbage to testmempoolaccept')
assert_raises_rpc_error(-3, 'Expected type array, got string', lambda: node.testmempoolaccept(rawtxs='ff00baar'))
assert_raises_rpc_error(-8, 'Array must contain exactly one raw transaction for now', lambda: node.testmempoolaccept(rawtxs=['ff00baar', 'ff22']))
assert_raises_rpc_error(-22, 'TX decode failed', lambda: node.testmempoolaccept(rawtxs=['ff00baar']))
self.log.info('A transaction already in the blockchain')
coin = node.listunspent()[0] # Pick a random coin(base) to spend
raw_tx_in_block = node.signrawtransactionwithwallet(node.createrawtransaction(
inputs=[{'txid': coin['txid'], 'vout': coin['vout']}],
outputs=[{node.getnewaddress(): 0.3}, {node.getnewaddress(): 49}],
))['hex']
txid_in_block = node.sendrawtransaction(hexstring=raw_tx_in_block, allowhighfees=True)
node.generate(1)
self.check_mempool_result(
result_expected=[{'txid': txid_in_block, 'allowed': False, 'reject-reason': '18: txn-already-known'}],
rawtxs=[raw_tx_in_block],
)
self.log.info('A transaction not in the mempool')
fee = 0.00000700
raw_tx_0 = node.signrawtransactionwithwallet(node.createrawtransaction(
inputs=[{"txid": txid_in_block, "vout": 0, "sequence": BIP125_SEQUENCE_NUMBER}], # RBF is used later
outputs=[{node.getnewaddress(): 0.3 - fee}],
))['hex']
tx = CTransaction()
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_0)))
txid_0 = tx.rehash()
self.check_mempool_result(
result_expected=[{'txid': txid_0, 'allowed': True}],
rawtxs=[raw_tx_0],
)
self.log.info('A transaction in the mempool')
node.sendrawtransaction(hexstring=raw_tx_0)
self.mempool_size = 1
self.check_mempool_result(
result_expected=[{'txid': txid_0, 'allowed': False, 'reject-reason': '18: txn-already-in-mempool'}],
rawtxs=[raw_tx_0],
)
self.log.info('A transaction that replaces a mempool transaction')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_0)))
tx.vout[0].nValue -= int(fee * COIN) # Double the fee
tx.vin[0].nSequence = BIP125_SEQUENCE_NUMBER + 1 # Now, opt out of RBF
raw_tx_0 = node.signrawtransactionwithwallet(bytes_to_hex_str(tx.serialize()))['hex']
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_0)))
txid_0 = tx.rehash()
self.check_mempool_result(
result_expected=[{'txid': txid_0, 'allowed': True}],
rawtxs=[raw_tx_0],
)
self.log.info('A transaction that conflicts with an unconfirmed tx')
# Send the transaction that replaces the mempool transaction and opts out of replaceability
node.sendrawtransaction(hexstring=bytes_to_hex_str(tx.serialize()), allowhighfees=True)
# take original raw_tx_0
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_0)))
tx.vout[0].nValue -= int(4 * fee * COIN) # Set more fee
# skip re-signing the tx
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '18: txn-mempool-conflict'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
allowhighfees=True,
)
self.log.info('A transaction with missing inputs, that never existed')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_0)))
tx.vin[0].prevout = COutPoint(hash=int('ff' * 32, 16), n=14)
# skip re-signing the tx
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': 'missing-inputs'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
self.log.info('A transaction with missing inputs, that existed once in the past')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_0)))
tx.vin[0].prevout.n = 1 # Set vout to 1, to spend the other outpoint (49 coins) of the in-chain-tx we want to double spend
raw_tx_1 = node.signrawtransactionwithwallet(bytes_to_hex_str(tx.serialize()))['hex']
txid_1 = node.sendrawtransaction(hexstring=raw_tx_1, allowhighfees=True)
# Now spend both to "clearly hide" the outputs, ie. remove the coins from the utxo set by spending them
raw_tx_spend_both = node.signrawtransactionwithwallet(node.createrawtransaction(
inputs=[
{'txid': txid_0, 'vout': 0},
{'txid': txid_1, 'vout': 0},
],
outputs=[{node.getnewaddress(): 0.1}]
))['hex']
txid_spend_both = node.sendrawtransaction(hexstring=raw_tx_spend_both, allowhighfees=True)
node.generate(1)
self.mempool_size = 0
# Now see if we can add the coins back to the utxo set by sending the exact txs again
self.check_mempool_result(
result_expected=[{'txid': txid_0, 'allowed': False, 'reject-reason': 'missing-inputs'}],
rawtxs=[raw_tx_0],
)
self.check_mempool_result(
result_expected=[{'txid': txid_1, 'allowed': False, 'reject-reason': 'missing-inputs'}],
rawtxs=[raw_tx_1],
)
self.log.info('Create a signed "reference" tx for later use')
raw_tx_reference = node.signrawtransactionwithwallet(node.createrawtransaction(
inputs=[{'txid': txid_spend_both, 'vout': 0}],
outputs=[{node.getnewaddress(): 0.05}],
))['hex']
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
# Reference tx should be valid on itself
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': True}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
self.log.info('A transaction with no outputs')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vout = []
# Skip re-signing the transaction for context independent checks from now on
# tx.deserialize(BytesIO(hex_str_to_bytes(node.signrawtransactionwithwallet(bytes_to_hex_str(tx.serialize()))['hex'])))
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '16: bad-txns-vout-empty'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
self.log.info('A really large transaction')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vin = [tx.vin[0]] * (MAX_BLOCK_BASE_SIZE // len(tx.vin[0].serialize()))
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '16: bad-txns-oversize'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
self.log.info('A transaction with negative output value')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vout[0].nValue *= -1
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '16: bad-txns-vout-negative'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
self.log.info('A transaction with too large output value')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vout[0].nValue = 21000000 * COIN + 1
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '16: bad-txns-vout-toolarge'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
self.log.info('A transaction with too large sum of output values')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vout = [tx.vout[0]] * 2
tx.vout[0].nValue = 21000000 * COIN
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '16: bad-txns-txouttotal-toolarge'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
self.log.info('A transaction with duplicate inputs')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vin = [tx.vin[0]] * 2
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '16: bad-txns-inputs-duplicate'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
self.log.info('A coinbase transaction')
# Pick the input of the first tx we signed, so it has to be a coinbase tx
raw_tx_coinbase_spent = node.getrawtransaction(txid=node.decoderawtransaction(hexstring=raw_tx_in_block)['vin'][0]['txid'])
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_coinbase_spent)))
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '16: coinbase'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
self.log.info('Some nonstandard transactions')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.nVersion = 3 # A version currently non-standard
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '64: version'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vout[0].scriptPubKey = CScript([OP_0]) # Some non-standard script
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '64: scriptpubkey'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vin[0].scriptSig = CScript([OP_HASH160]) # Some not-pushonly scriptSig
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '64: scriptsig-not-pushonly'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
output_p2sh_burn = CTxOut(nValue=540, scriptPubKey=CScript([OP_HASH160, hash160(b'burn'), OP_EQUAL]))
num_scripts = 100000 // len(output_p2sh_burn.serialize()) # Use enough outputs to make the tx too large for our policy
tx.vout = [output_p2sh_burn] * num_scripts
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '64: tx-size'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vout[0] = output_p2sh_burn
tx.vout[0].nValue -= 1 # Make output smaller, such that it is dust for our policy
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '64: dust'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vout[0].scriptPubKey = CScript([OP_RETURN, b'\xff'])
tx.vout = [tx.vout[0]] * 2
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '64: multi-op-return'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
self.log.info('A timelocked transaction')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vin[0].nSequence -= 1 # Should be non-max, so locktime is not ignored
tx.nLockTime = node.getblockcount() + 1
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '64: non-final'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
)
self.log.info('A transaction that is locked by BIP68 sequence logic')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vin[0].nSequence = 2 # We could include it in the second block mined from now, but not the very next one
# Can skip re-signing the tx because of early rejection
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': '64: non-BIP68-final'}],
rawtxs=[bytes_to_hex_str(tx.serialize())],
allowhighfees=True,
)
if __name__ == '__main__':
MempoolAcceptanceTest().main()

View file

@ -34,7 +34,9 @@ MY_RELAY = 1 # from version 70001 onwards, fRelay should be appended to version
MAX_INV_SZ = 50000
MAX_BLOCK_BASE_SIZE = 1000000
COIN = 100000000 # 1 btc in satoshis
COIN = 100000000 # 1 btc in satoshis
BIP125_SEQUENCE_NUMBER = 0xfffffffd # Sequence number that is BIP 125 opt-in and BIP 68-opt-out
NODE_NETWORK = (1 << 0)
# NODE_GETUTXO = (1 << 1)
@ -470,6 +472,7 @@ class CTransaction():
def rehash(self):
self.sha256 = None
self.calc_sha256()
return self.hash
# We will only cache the serialization without witness in
# self.sha256 and self.hash -- those are expected to be the txid.

View file

@ -55,7 +55,7 @@ TEST_EXIT_SKIPPED = 77
# 20 minutes represented in seconds
TRAVIS_TIMEOUT_DURATION = 20 * 60
BASE_SCRIPTS= [
BASE_SCRIPTS = [
# Scripts that are run by the travis build process.
# Longest test should go first, to favor running tests in parallel
'wallet_hd.py',
@ -118,6 +118,7 @@ BASE_SCRIPTS= [
'wallet_importprunedfunds.py',
'rpc_signmessage.py',
'feature_nulldummy.py',
'mempool_accept.py',
'wallet_import_rescan.py',
'mining_basic.py',
'wallet_bumpfee.py',

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@ -17,14 +17,12 @@ make assumptions about execution order.
from test_framework.blocktools import send_to_witness
from test_framework.test_framework import BitcoinTestFramework
from test_framework import blocktools
from test_framework.messages import BIP125_SEQUENCE_NUMBER
from test_framework.mininode import CTransaction
from test_framework.util import *
import io
# Sequence number that is BIP 125 opt-in and BIP 68-compliant
BIP125_SEQUENCE_NUMBER = 0xfffffffd
WALLET_PASSPHRASE = "test"
WALLET_PASSPHRASE_TIMEOUT = 3600