rpc: Only allow specific types to be P2(W)SH wrapped in decodescript #23486

maflcko · 2021-11-11T16:22:40Z

It seems confusing to return a P2SH wrapping address that is eventually either policy- or consensus-unspendable.

src/rpc/rawtransaction.cpp

Sjors · 2021-11-11T18:48:00Z

Concept ACK. For slightly easier review, maybe split into a pure refactor/reformat commit and the actual behavior change.

maflcko · 2021-11-11T19:09:06Z

If you pass in --ignore-all-space, it will show only the behaviour changes. I think it makes sense to adjust the whitespace in the same commit that removes the if-body.

DrahtBot · 2021-11-12T03:04:38Z

The following sections might be updated with supplementary metadata relevant to reviewers and maintainers.

Conflicts

Reviewers, this pull request conflicts with the following ones:

#23545 (scripted-diff: Use clang-tidy syntax for C++ named arguments [WIP; TOO MANY CONFLICTS] by MarcoFalke)

If you consider this pull request important, please also help to review the conflicting pull requests. Ideally, start with the one that should be merged first.

laanwj · 2021-11-12T09:54:28Z

I agree with @Sjors here. I think it makes sense to split the functionality change into a separate commit. Even if it can still be reviewed by providing extra arguments to diff, it just seems cleaner, say, when browsing git history later.

Does this need a functional test?

laanwj · 2021-11-12T12:08:28Z

~~Code review ACK fa1c1f417ef97d15331f4a13b40be9e00ecdb464~~

Code review re-ACK fa972d8d771c93c1d37eeb31da04e95e8e5ca0ad

maflcko · 2021-11-12T15:13:07Z

Does this need a functional test?

There are steps to test in the first comment, but I am happy to add a commit with tests if someone writes them. I am also happy to review a pull if someone adds them after merge.

Sjors · 2021-11-12T15:36:28Z

tACK fa1c1f417ef97d15331f4a13b40be9e00ecdb464

src/rpc/rawtransaction.cpp

maflcko · 2021-11-14T17:21:47Z

Reworked and updated pull request description

src/rpc/rawtransaction.cpp

sipa · 2021-11-15T16:51:02Z

We may also need to check that no OP_CHECKSIGADD opcodes occur in a script before reporting a P2WSH for it.

achow101 · 2021-11-15T17:09:06Z

We may also need to check that no OP_CHECKSIGADD opcodes occur in a script before reporting a P2WSH for it.

And OP_SUCCESSx too

maflcko · 2021-11-16T19:20:03Z

And OP_SUCCESSx too

And unparseable, and unspendable scripts.

achow101

Even without the two issues mentioned below, it seems that decodescript is unable to decode scripts containing OP_CHECKSIGADD and OP_SUCCESSx. But I think fixing those would be out of scope for this PR.

src/rpc/rawtransaction.cpp

maflcko · 2021-11-22T12:55:39Z

Force pushed to fix a "typo" 😖 and updated OP to include more tests.

luke-jr · 2021-11-30T19:31:23Z

src/rpc/rawtransaction.cpp

Isn't it TBD if future witnesses can be wrapped? Though maybe too unlikely to matter...

It is possible but unlikely. In that case you need to upgrade to a version of Bitcoin Core that "understands" the witness program to wrap it.

src/rpc/rawtransaction.cpp

maflcko · 2021-12-06T09:33:40Z

Rebased to add tests ✨

laanwj · 2021-12-06T15:55:37Z

Code review re-ACK 9999342
It's nice to be able to see in the .json what exactly the difference in output is.

laanwj · 2021-12-06T16:01:18Z

test/functional/data/rpc_decodescript.json

    [
        "6aee",
        {
            "asm": "OP_RETURN OP_UNKNOWN",


(not in this PR) it would be nice to have some test entries that do give segwit output

good first issue ;)

…pped in…

…W)SH wrapped in decodescript 086d811 rpc: Only allow specific types to be P2(W)SH wrapped in decodescript (MarcoFalke) Pull request description: It seems confusing to return a P2SH wrapping address that is eventually either policy- or consensus-unspendable. ACKs for top commit: laanwj: Code review re-ACK 086d811 Tree-SHA512: 3cd530442acee7c295d244995f0f17b2cae7212f1e0970bb5807621f8ff8e4308a3236b385d77087cd493d32ee524813d8edd15e91d937ef9a800094b7bc4946

katesalazar reviewed Nov 11, 2021

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DrahtBot mentioned this pull request Nov 12, 2021

refactor: cleanup/followup of Remove -deprecatedrpc=addresses flag #22924

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Refactor: Improve API design of ScriptToUniv, TxToUniv etc to return the UniValue instead of mutating a parameter/reference #23507

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maflcko force-pushed the 2111-rpcScript branch from fa1c1f4 to faa8ea8 Compare November 14, 2021 10:43

maflcko changed the title ~~rpc: Avoid returning P2SH for witness_v1_taproot in decodescript~~ rpc: Only return P2SH wrapped witness programs for BIP141 types in decodescript Nov 14, 2021

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maflcko changed the title ~~rpc: Only return P2SH wrapped witness programs for BIP141 types in decodescript~~ rpc: Only allow specific types to be P2SH wrapped in decodescript Nov 14, 2021

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maflcko changed the title ~~rpc: Only allow specific types to be P2SH wrapped in decodescript~~ rpc: Only allow specific types to be P2(W)SH wrapped in decodescript Nov 16, 2021

maflcko force-pushed the 2111-rpcScript branch from fa972d8 to fa20010 Compare November 16, 2021 19:15

achow101 reviewed Nov 17, 2021

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scripted-diff: Use clang-tidy syntax for C++ named arguments #23545

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maflcko force-pushed the 2111-rpcScript branch 2 times, most recently from 2e26400 to faa1b5e Compare November 22, 2021 11:19

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maflcko mentioned this pull request Dec 1, 2021

Write more decodescript tests #23641

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rpc: Only allow specific types to be P2(W)SH wrapped in decodescript

9999342

maflcko force-pushed the 2111-rpcScript branch from fad77aa to 9999342 Compare December 6, 2021 09:33

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laanwj merged commit 695ba2f into bitcoin:master Dec 6, 2021

maflcko deleted the 2111-rpcScript branch December 7, 2021 08:07

sidhujag pushed a commit to syscoin/syscoin that referenced this pull request Dec 7, 2021

Merge bitcoin#23486: rpc: Only allow specific types to be P2(W)SH wra…

b6843f1

…pped in…

maflcko mentioned this pull request Jan 21, 2022

policy: treat P2TR outputs with invalid x-only pubkey as non-standard #24106

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bitcoin locked and limited conversation to collaborators Dec 23, 2022

rpc: Only allow specific types to be P2(W)SH wrapped in decodescript #23486

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