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Merge bitcoin/bitcoin#30576: test: check that keyless P2A 'signing' via signrawtransactionwithkey succeeds

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5e87f30f7c test: check that keyless P2A 'signing' via `signrawtransactionwithkey` succeeds (Sebastian Falbesoner)

Pull request description:

  This small PR adds a sanity check to verify that transactions with P2A inputs can be 'signed' successfully, using the non-wallet RPC `signrawtransactionwithkey`. Note that in the this flow, `SignStep` (which was also extended for the new `ANCHOR` output type in #30352) is never called, as signing is only tried if the locking script verification isn't successful already. See the review discussion https://github.com/bitcoin/bitcoin/pull/30352#discussion_r1690530356 ff.

ACKs for top commit:
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    ACK 5e87f30f7c
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    ACK 5e87f30f7c
  glozow:
    code review ACK 5e87f30f7c

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glozow 2024-08-05 09:44:13 +01:00
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14
test/functional/rpc_signrawtransactionwithkey.py
View file

@ -9,6 +9,7 @@ from test_framework.blocktools import (
)
from test_framework.address import (
address_to_scriptpubkey,
p2a,
script_to_p2sh,
)
from test_framework.test_framework import BitcoinTestFramework
@ -100,6 +101,18 @@ class SignRawTransactionWithKeyTest(BitcoinTestFramework):
for tx_type in ['P2PKH', 'P2PK']: # these tests are order-independent
self.verify_txn_with_witness_script(tx_type)
def keyless_signing_test(self):
self.log.info("Test that keyless 'signing' of pay-to-anchor input succeeds")
funding_txid = self.send_to_address(p2a(), 49.999)
spending_tx = self.nodes[0].createrawtransaction(
[{"txid": funding_txid, "vout": 0}],
[{getnewdestination()[2]: Decimal("49.998")}])
spending_tx_signed = self.nodes[0].signrawtransactionwithkey(spending_tx, [], [])
self.assert_signing_completed_successfully(spending_tx_signed)
assert self.nodes[0].testmempoolaccept([spending_tx_signed["hex"]])[0]["allowed"]
# 'signing' a P2A prevout is a no-op, so signed and unsigned txs shouldn't differ
assert_equal(spending_tx, spending_tx_signed["hex"])
def verify_txn_with_witness_script(self, tx_type):
self.log.info("Test with a {} script as the witnessScript".format(tx_type))
embedded_privkey, embedded_pubkey = generate_keypair(wif=True)
@ -138,6 +151,7 @@ class SignRawTransactionWithKeyTest(BitcoinTestFramework):
def run_test(self):
self.successful_signing_test()
self.witness_script_test()
self.keyless_signing_test()
self.invalid_sighashtype_test()
self.invalid_private_key_and_tx()

3
test/functional/test_framework/address.py
View file

@ -155,6 +155,9 @@ def output_key_to_p2tr(key, main=False):
assert len(key) == 32
return program_to_witness(1, key, main)
def p2a(main=False):
return program_to_witness(1, "4e73", main)
def check_key(key):
if (type(key) is str):
key = bytes.fromhex(key) # Assuming this is hex string