29.x: Implement BIP 54 (Consensus Cleanup) without mainnet activation - #11

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darosior wants to merge 38 commits into

29.xfrom

Commits on Jul 7, 2026

test: introduce VARINT (de)serialization routines

theStack
authored and
darosior
committed
710118d
test: introduce output amount (de)compression routines

theStack
authored and
darosior
committed
422bbb1
qa: use a clearer and documented amount error in malleated snapshot
darosior
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4c186bf
qa: correct off-by-one in utxo snapshot fuzz target
darosior
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75e3429
test util: split up ConnectBlock from MineBlock
darosior
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9a41c80
fuzz: sanity check hardcoded snapshot in utxo_snapshot target
darosior
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65120b2
qa: delete one "bad snapshot data" case in feature_assumeutxo.py
darosior
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e776ffd
qa: introduce a MAX_SEQUENCE_NONFINAL constant to the functional test framework
darosior
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1e2cc35
qa: timelock coinbase transactions created in functional tests
darosior
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9645d3b
contrib: timelock coinbase transactions in signet miner
darosior
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d658da4
qa: timelock coinbase transactions created in fuzz targets
darosior
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42d7f31
qa: use prev height as nLockTime for coinbase txs created in unit tests
darosior
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ed2bf65
miner: timelock coinbase transactions
darosior
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f6d7895
qa: sanity check mined block have their coinbase timelocked to height
darosior
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2f5d5a3
chainparams: encapsulate deployment configuration logic
darosior
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22d44b4
chainparams: make deployment configuration available on all test networks
darosior
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ea29a48
qa: use NORMAL_GBT_REQUEST_PARAMS consistently
darosior
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9868638
======= Consensus Cleanup BEGINS HERE =======
darosior
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c1e4911
chainparams: add versionbits deployment for BIP 54
darosior
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6ada502
scripted-diff: rename MAX_TX_LEGACY_SIGOPS to MAX_TX_BIP54_SIGOPS
darosior
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6fe3788
moveonly: move CheckSigopsBIP54 from policy to consensus
darosior
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32f390a
validation: make BIP54 sigops check consensus-critical
darosior
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c243eb1
qa: add to utilities a version of SignSignature for Taproot inputs
darosior
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a9e16b1
qa: extensive unit tests for BIP54 legacy sigops limit
darosior
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cf783ef
fuzz: add a fuzz target for the BIP54 sigops check
darosior
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4b4ff59
scripted-diff: rename testnet4 timewarp constant
darosior
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2be1784
miner: update a timewarp comment to refer specifically to BIP 54
darosior
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a4fddb6
validation: prevent timewarp attacks with a 2h grace period
darosior
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7169bbe
validation: prevent negative difficulty adjustment intervals
darosior
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8a4d91c
qa: BIP54 test vectors for timewarp and Murch-Zawy
darosior
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a617c8f
validation: enforce that coinbase transactions are timelocked to block height
darosior
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d5636ab
qa: BIP54 test vectors for restrictions on coinbase transactions
darosior
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21cd39b
Avoid creating <= 64-byte transactions in most functional tests.

TheBlueMatt
authored and
darosior
committed
149e368
[test] Separate 64B and 63B tx size tests

ajtowns
authored and
darosior
committed
da6f59e
validation: make 64 bytes transactions invalid
darosior
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e4fcb09
qa: unit tests for BIP54 rule on 64-byte transactions (with JSON test vectors)
darosior
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9aa3c37
scripted-diff: qa: rename constant for BIP54 sigops limit

darosior
and
ajtowns
committed
75e08f9
qa: end-to-end test all BIP54 mitigations
darosior
committed
70051d0