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bitcoinknots / bitcoin Public

forked from bitcoin/bitcoin

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Fork 135
Star 594

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Issues 76
Pull requests 28
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ReducedData Temporary Softfork#234

Draft

dathonohm wants to merge 50 commits intobitcoinknots:29.x-knotsbitcoinknots/bitcoin:29.x-knotsfrom

dathonohm:bip9-temporarydathonohm/bitcoin:bip9-temporaryCopy head branch name to clipboard

Conversation Commits50 (50)Checks Files changed

Draft

ReducedData Temporary Softfork#234
dathonohm wants to merge 50 commits intobitcoinknots:29.x-knotsfrom
dathonohm:bip9-temporary

Commits

Commits on Nov 15, 2025

Add concept of temporary softforks (buried only for now)

luke-jr
authored and
dathonohm
committed
Define no-op "reduced_data" buried deployment (no activation params)

luke-jr
authored and
dathonohm
committed
Use TAPROOT_CONTROL_MAX_NODE_COUNT_REDUCED for non-consensus Taproot logic

luke-jr
authored and
dathonohm
committed
Policy: Enforce SCRIPT_VERIFY_REDUCED_DATA as a policy rule

luke-jr
authored and
dathonohm
committed
script: Define SCRIPT_VERIFY_REDUCED_DATA verification flag (unused) to reduce data push size limit to 256 bytes (except for P2SH redeemScript push)

luke-jr
authored and
dathonohm
committed
script: Limit Taproot annex to 256 bytes for SCRIPT_VERIFY_REDUCED_DATA (still unused)

luke-jr
authored and
dathonohm
committed
script: Forbid Taproot annex entirely with SCRIPT_VERIFY_REDUCED_DATA (still unused)

luke-jr
authored and
dathonohm
committed
script: Forbid OP_IF in Tapscript with SCRIPT_VERIFY_REDUCED_DATA (still unused)

luke-jr
authored and
dathonohm
committed
script: Limit Taproot control block to 257 bytes for SCRIPT_VERIFY_REDUCED_DATA (still unused)

luke-jr
authored and
dathonohm
committed
consensus: Enforce SCRIPT_VERIFY_REDUCED_DATA if DEPLOYMENT_REDUCED_DATA is active (still never)

luke-jr
authored and
dathonohm
committed
Limit datacarriersize config to MAX_OUTPUT_DATA_SIZE (=83 B)

luke-jr
authored and
dathonohm
committed
consensus: Add no-op flags to CheckTxInputs function

luke-jr
authored and
dathonohm
committed
consensus: Define CheckTxInputsRules::OutputSizeLimit flag (unused) to cap output scripts at 83 bytes

luke-jr
authored and
dathonohm
committed
consensus: When CheckTxInputsRules::OutputSizeLimit is enforced (still never), limit non-OP_RETURN scripts to 34 bytes

luke-jr
authored and
dathonohm
committed
QA: rpc_getdescriptoractivity: Use RAW_OP_TRUE for test_no_address

luke-jr
authored and
dathonohm
committed
QA: test_framework/wallet: Turn MiniWalletMode.RAW_P2PK into actually p2pkh

luke-jr
authored and
dathonohm
committed
RPC/Mempool: Provide tx memory usage in testmempoolaccept

luke-jr
authored and
dathonohm
committed
QA: test_framework/mempool_util: Calibrate fill_mempool bulk tx size to expected memory usage

luke-jr
authored and
dathonohm
committed
Bugfix: QA: mempool_limit: Use "usage" rather than "bytes"

luke-jr
authored and
dathonohm
committed
QA: test_framework: Use multiple OP_RETURNs to pad transactions rather than exceed MAX_OP_RETURN_RELAY

luke-jr
authored and
dathonohm
committed
consensus: Enforce CheckTxInputsRules::OutputSizeLimit when DEPLOYMENT_REDUCED_DATA is active (never yet)

luke-jr
authored and
dathonohm
committed
Policy: Do not allow user to bypass SCRIPT_VERIFY_DISCOURAGE_{UPGRADABLE_WITNESS_PROGRAM,UPGRADABLE_TAPROOT_VERSION,OP_SUCCESS}

luke-jr
authored and
dathonohm
committed
consensus: Enforce SCRIPT_VERIFY_DISCOURAGE_{UPGRADABLE_WITNESS_PROGRAM,UPGRADABLE_TAPROOT_VERSION,OP_SUCCESS} on blocks when DEPLOYMENT_REDUCED_DATA is active (never yet)

luke-jr
authored and
dathonohm
committed
Simple check for and invalidating (TBD) bad block

luke-jr
authored and
dathonohm
committed
Define a service bit for BIP148

luke-jr
authored and
dathonohm
committed
Add questionmark to end of BIP148 service bit string, and add to bitcoin-cli

luke-jr
authored and
dathonohm
committed
Preferentially peer with nodes enforcing BIP148 to avoid partitioning risk

luke-jr
authored and
dathonohm
committed
Append UA string with UASF-ReducedData:0.1/

luke-jr
authored and
dathonohm
committed
tests: fix feature_cltv, feature_dersig, mempool_accept, and mempool_accept_wtxid

moneybadger1
authored and
dathonohm
committed
tests: fix BIP148 service bit

moneybadger1
authored and
dathonohm
committed
test: Adapt functional tests to MAX_OUTPUT_SCRIPT_SIZE=34 consensus limit; add reduced_data deployment name to allow regtest RPC access for testing

3c853b6299
authored and
dathonohm
committed
test: Skip test_segwit_versions subtest (conflicts with DEPLOYMENT_REDUCED_DATA); adapt 6 tests to NODE_BIP148 service flag; add assert_equal_without_usage helper for testmempoolaccept results

3c853b6299
authored and
dathonohm
committed
Fix p2p_1p1c_network test by using dynamic feerates based on mempool eviction threshold
dathonohm
committed
Fix interface_bitcoin_cli test to accept BIP148 service bit
dathonohm
committed
Fix p2p_addrv2_relay test to handle BIP148 service bit CompactSize encoding
dathonohm
committed
Fix addpeeraddress RPC to include NODE_BIP148 service flag
dathonohm
committed
Refactor: Include all reduced_data verify flags in REDUCED_DATA_MANDATORY_VERIFY_FLAGS

luke-jr
authored and
dathonohm
committed
validation: Extend CheckInputScripts to allow overriding script validation flags on a pet-input basis

luke-jr
authored and
dathonohm
committed
validation: Exempt inputs spending UTXOs prior to ReducedDataHeightBegin from reduced_data script validation rules

luke-jr
authored and
dathonohm
committed
fixup! test: skip test_segwit_versions subtest conflicting with DEPLOYMENT_REDUCED_DATA enforcement

luke-jr
authored and
dathonohm
committed
Rename BIP148 service bit to BIP444

luke-jr
authored and
dathonohm
committed
clientversion: Rename fork to UASF-BIP444

luke-jr
authored and
dathonohm
committed
test: implement functional tests for UASF-ReducedData Spec

3c853b6299
authored and
dathonohm
committed
test: Add UTXO height-based REDUCED_DATA enforcement test
dathonohm
committed
test: Update tests for REDUCED_DATA consensus limits
dathonohm
committed
test: Replace thresh() with and_v() in descriptor test
dathonohm
committed
test: Add NODE_BIP444 service flag to peer connection tests
dathonohm
committed
Change all BIP444 references to UASF-ReducedData
dathonohm
committed
Convert DEPLOYMENT_REDUCED_DATA to temporary BIP9 MASF
dathonohm
committed
test: functional tests for BIP9 temporary deployment of REDUCED_DATA
dathonohm
committed

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