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refactor!: consolidate common definitions to workspace Cargo.toml, bump base58ck to 0.5.0, pass through definitions from bitcoin-{hashes,internals,crypto} and dash-pkc - #1108
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Included review availability: This review used your included allowance. Your plan provides up to 1 included review per hour; 0 remain after this review. 📝 WalkthroughWalkthroughThe workspace centralizes package metadata and dependency versions. The hashes and crypto crates adopt upstream APIs. Dashcore, wallet, RPC, and FFI code update related types, parsing, serialization, and sighash handling. ChangesHash and Crypto API Migration
Priority: ➖ Normal Estimated code review effort: 5 (Critical) | ~90 minutes Change: Refactor Merge Risk: ⚪ Minimal · up to This refactor consolidates workspace metadata and re-exports upstream hash and crypto APIs. No concrete merge-blocking issue was identified in the supplied changes. Security Architecture ReviewSecurity architecture risk: 🔵 Low · up to The migration changes security-sensitive public APIs, but the inspected paths retain signature checks and Dash-specific key and hash conversions. No introduced security vulnerability was established. Upstream implementation behavior and compatibility across all feature configurations remain only partially verified. Retained concerns Security review detailsSecurity Blast Radius
Trust Boundaries and Controls
Resilience and Maintainability Implications
Hardening Proposals
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 41.46% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 82 functions across 38 files. (8 skipped: 8 unsupported.)
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Review comments at @dash-spv-bench/Cargo.toml:
- Around line 5-9: Confirm that the workspace license change to CC0-1.0 for this
crate is intended and approved by the copyright holders before keeping the
updated license declaration in Cargo.toml.
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📒 Files selected for processing (70)
Cargo.tomlcrypto/Cargo.tomlcrypto/src/ecdsa.rscrypto/src/eddsa.rscrypto/src/key.rscrypto/src/lib.rscrypto/src/serde_utils.rscrypto/src/sighash.rscrypto/src/taproot.rsdash-network-seeds/Cargo.tomldash-network/Cargo.tomldash-spv-bench/Cargo.tomldash-spv-ffi/Cargo.tomldash-spv/Cargo.tomldash/Cargo.tomldash/src/address.rsdash/src/blockdata/block.rsdash/src/blockdata/script/owned.rsdash/src/blockdata/transaction/outpoint.rsdash/src/blockdata/witness.rsdash/src/consensus/encode.rsdash/src/consensus/serde.rsdash/src/crypto/sighash.rsdash/src/hash_types.rsdash/src/internal_macros.rsdash/src/network/message.rsdash/src/network/message_network.rsdash/src/sml/masternode_list/merkle_roots.rsdash/src/sml/masternode_list_entry/qualified_masternode_list_entry.rsdash/src/sml/message_verification_error.rsdash/src/sml/quorum_entry/verify_message.rsdash/src/taproot.rsfuzz/Cargo.tomlfuzz/generate-files.shgit-state/Cargo.tomlhashes/Cargo.tomlhashes/src/cmp.rshashes/src/error.rshashes/src/hash160.rshashes/src/hash_x11.rshashes/src/hex.rshashes/src/hmac.rshashes/src/impls.rshashes/src/internal_macros.rshashes/src/lib.rshashes/src/ripemd160.rshashes/src/sha1.rshashes/src/sha256.rshashes/src/sha256d.rshashes/src/sha256t.rshashes/src/sha512.rshashes/src/sha512_256.rshashes/src/siphash24.rshashes/src/util.rsinternals/Cargo.tomlkey-wallet-ffi/Cargo.tomlkey-wallet-manager/Cargo.tomlkey-wallet/Cargo.tomlkey-wallet/src/account/eddsa_account.rskey-wallet/src/bip32.rskey-wallet/src/derivation_slip10.rskey-wallet/src/managed_account/address_pool.rskey-wallet/src/managed_account/managed_account_trait.rskey-wallet/src/tests/provider_key_derivation_tests.rsmasternode-seeds-fetcher/Cargo.tomlrpc-client/Cargo.tomlrpc-client/src/error.rsrpc-integration-test/Cargo.tomlrpc-json/Cargo.tomlrpc-json/src/lib.rs
💤 Files with no reviewable changes (17)
- crypto/src/serde_utils.rs
- hashes/src/sha1.rs
- hashes/src/ripemd160.rs
- hashes/src/impls.rs
- hashes/src/hash160.rs
- hashes/src/sha256d.rs
- hashes/src/sha512.rs
- dash/src/network/message_network.rs
- hashes/src/cmp.rs
- hashes/src/sha512_256.rs
- hashes/src/sha256.rs
- hashes/src/internal_macros.rs
- crypto/src/taproot.rs
- dash/src/network/message.rs
- hashes/src/hex.rs
- hashes/src/hmac.rs
- hashes/src/error.rs
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Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## dev #1108 +/- ##
==========================================
- Coverage 77.98% 77.64% -0.34%
==========================================
Files 320 306 -14
Lines 82245 80484 -1761
==========================================
- Hits 64136 62492 -1644
+ Misses 18109 17992 -117
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Review summary
Builds and all tests pass, including the dash-spv/dash-spv-ffi dashd suites; X11 header hashes and hash display order are unchanged. Two blockers and a few breaking changes worth listing.
Blockers
- Legacy sighash
SIGHASH_SINGLEcheck (dash/src/crypto/sighash.rs:883, unchanged but now on upstream's type):from_consensusnow returnsNonStandardfor 0x23/0x43/0x63/0x103/…, which the old0x9fmask treated asSingle. Withinput_index >= outputs.len()those flags now give a real hash instead ofUINT256_ONE(Core:(nHashType & 0x1f) == SIGHASH_SINGLE). Suggest(sighash & 0x9f) == 0x03, or.is_single()to also match Core on 0x83. - Relicensing:
dash-spv,dash-spv-ffi,dash-network,dash-network-seeds,git-state,masternode-seeds-fetcheranddash-spv-benchgo from MIT to CC0-1.0. This needs explicit sign-off from whoever chose MIT, or from DCG.dash-spv-ffi/README.mdand the root README badge still say MIT.
Breaking, please call out in the description (Platform)
- Raw
sha256d/sha256/hash160/ripemd160/Hmacare now upstream types. They lose the lenient serde from #729 (binary formats inside tagged, untagged or flattened enums fail) and their bincode impls. - With
core-block-hash-use-x11,BlockHash::hash/engine/from_enginenow compute sha256d, not X11, and still compile. OnlyHeader::block_hash()stays X11. EcdsaSighashType::NonStandard, renamed taprootSignaturefields (sig,hash_ty; also affects serde), base58 and eddsa API removals, error payloads.
Minor
- The git-pinned crate is
bitcoin-crypto, notsecp256k1(description). It duplicatesbitcoin_hashes×3,bitcoin-internals×4 andbase58ck×2 in the lock. bitcoin-internalsis unused incrypto/after a7a0619.base58::error::Erroris deprecated in 0.5; useDecodeCheckError.
On keeping hashes: after this it is a re-export facade plus Dash-only bits: X11 (x11()), the SipHash batch kernels from #845 (kept intact, only the generic engine now comes from upstream), and our hash_newtype! with lenient serde and bincode. Those impls must sit next to the newtypes because of the orphan rule. Is the plan to keep it as a stable import path, or to fold these pieces into dash (newtypes and macros) and a small siphash crate and drop it later? Either works; worth stating which.
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The licence move to CC0-1.0 seems fine to me, but a few things need fixing i think, have a look through those:
Blockers
- CHANGELOG accuracy. The PR points to it for breaking changes, so it needs to be correct:
hash_again,const_hashandfrom_bytes_ref/from_bytes_mutare listed as removed but still exist upstream inbitcoin_hashes0.14.101. Onlyforward_hex/backward_hexare gone, plus all four on X11.dashcore::base58was alreadybase58ck(0.1.0), so this is an upgrade from 0.1.0, not a replacement of our own module.- The
Fixedentry overclaims. Low-five-bits SINGLE flags already worked unless0x80was set, so only0x83/0xa3/0x183and similar were wrong. - Missing breaking changes:
NonStandardSighashTypekeeps its name but is now a value type (the error isNonStandardSighashTypeErr)From<EcdsaSighashType> for TapSighashTypeis nowTryFrom- non-standard sighash types display/serde/parse as
"0xNN" taproot::Errorlost itsSecp256k1variant- eddsa API removals:
EddsaPkBytes::validate()/hash(),EddsaSkBytes::public_key(), theEddsaErrorshape,BaseCodecimpls hash_x11::Midstateremoved andn_bytes_hashed()now returns the real lengthentry_hashandThresholdSignatureNotValidnow useSha256dHash{:.8}on hashes now truncatesrust-version = "1.89.0"newly declared on 16 crates- the MIT to CC0-1.0 relicense of
dash-network,dash-network-seeds,dash-spv,dash-spv-ffi,dash-spv-bench,git-state,masternode-seeds-fetcher
dash-spv-ffi/README.md:112still says MIT.- Fuzzing lost its weakened hashes. Upstream gates them on
cfg(hashes_fuzz), notcfg(fuzzing)(bitcoin_hashes-0.14.101/src/sha256.rs:22), so fuzz runs now compute real SHA256 and can't get past checksums. Add--cfg=hashes_fuzzto the fuzz RUSTFLAGS, or updatefuzz/README.md:88-92. fuzz/generate-files.sh:32still writes the oldserde = { version = "1.0.219", ... }line, so regenerating revertsfuzz/Cargo.toml:21.
Should fix
- Unused dependency:
hashes/Cargo.toml:27,internalsis no longer used inhashes/src. - Stale feature gate:
crypto/src/lib.rs:15-16,pub extern crate dash_pkcis still gated onblsalthoughdash-pkcis no longer optional. - Unused alias:
crypto/src/sighash.rs:31,NonStandardSighashTypeErris unused and oddly named. Re-export it under upstream's nameNonStandardSighashTypeError. - Silent FFI change:
key-wallet-ffi/src/transaction.rs:530,from_consensus(x).to_u32()is now a no-op round trip, sotransaction_sighashhashes non-standard flags as-is. That fixes signing for flags up to0xff, but flags above0xffstill hash the full u32 while:604appends only the low byte. Reject> 0xffand drop the no-op. - Duplicated upstream crates:
bitcoin_hashes(×3),base58ck(×2),bitcoin-consensus-encoding(×2) andbitcoin-internals(×3) come from both crates.io and thebitcoin-cryptogit rev. A[patch.crates-io]pointingbase58ck,bitcoin_hashesandbitcoin-consensus-encodingat rev7ba35c7cresolves without the extra copies (compile not verified). Otherwise add a comment that the duplication is intentional untilbitcoin-cryptois released. - Stale comments and docs:
hashes/src/lib.rs:108: "the newtype macro above them", but it lives inutil.rshashes/src/serde_macros.rs:31,82: references the deletedinternal_macros.rscrypto/src/ecdsa.rs:231:/// Base58 encoding erroronNonStandardSighashTypehashes/README.md: still says "no-dependency" and MSRV 1.48- the
serde-stdcomment inhashes/Cargo.toml
- Lost test: the
sha256tknown-answer test was deleted, and the new taproot test only covers serde. Keep a hash-value vector. useinside function bodies:hashes/src/hash_x11.rsfrom_strkey-wallet/src/managed_account/address_pool.rs:537-539dash/src/taproot.rs:2146key-wallet/src/tests/provider_key_derivation_tests.rs:102,139
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Motivation
As a wholesale fork of
rust-bitcoin, we inherit substantial portions of the codebase that do not meaningfully diverge from Dash yet the responsibility to keep it up to date and synced with upstream lies with us. Effectively, we are codeowners for code we have not mutated or will likely change. This makes it more difficult to discern at a glance what is maintained and modified to meet Dash's specific needs.While some backports are unavoidable, what can be done to reduce the workload (and improve interactions with upstream types) is to identify what code is more-or-less unchanged from upstream and re-export them. The long term goal would be to have a dependency graph where no more than one version of a
rust-bitcoincrate appears at a time.Though this will require significant additional work as currently
rust-dashcoresits in between 0.13 and 0.15 ofrust-bitcoinand the process of backporting changes without interfering with feature development requires us to determine what can be pinned as the closest version that reflects the currentrust-dashcoreAPI. That effort is done in this pull request.Additional Information
Some default assumptions have been made, namely that crates are meant to be CC0-1.0 licensed like upstream, that the default Rust edition is 2024 (crates that use the 2021 edition do not follow the workspace definition to avoid rocking the boat), that the MSRV is Rust 1.89 and that where collective authorship is described, it is under the name "The rust-dashcore Developers".
Dependencies listed at the workspace level are of three categories
Commonly shared between all crates, included to keep versions in sync across
rust-dashcorecratesOriginating from
dashpay/base-sdk, included to keep versions in sync across multiplebase-sdkcrates, mixing versions may result in unexpected effects, see comment.Originating from
rust-bitcoin, included to keep versions in sync acrossrust-dashcorecrates. The long term goal is to ensure they all share one dependency graph but due to the disjoint nature of the codebase, this is currently aspirational.secp256k1must matchdash-pkcandbitcoin-cryptoasdash-pkcallows converting to the underlyingsecp256k1type for operations deemed outside the scope ofdash-pkcandbitcoin-cryptosupplies taproot specifics.key-walletalso relies onsecp256k1for HD operations, to be able to interact between these three crates, thesecp256k1version they all use must be in lockstep.bitcoin-cryptoas of this writing is 0.3.0 (source) and relies on a yanked version ofsecp256k1(source), they have not released an updated version of the crate that incorporates the update to 0.33.1, forcing us to use a revision.The SipHash implementation in
hashesis not reaped as it contains unique contributions (see rust-dashcore#845 for more information)Breaking Changes
See changelog.
PR Hygiene ·
a6177b0CHANGELOG.md,Cargo.toml,README.mdand 65 more) — QuantumExplorer or ZocoLini or xdustinfacedash-spv(dash-spv/Cargo.toml,dash-spv/README.md) — QuantumExplorer or ZocoLini or xdustinfacekey-wallet-manager(key-wallet-manager/Cargo.toml) — QuantumExplorer or ZocoLini or xdustinfacekey-wallet(key-wallet/Cargo.toml,key-wallet/src/account/eddsa_account.rs,key-wallet/src/bip32.rsand 4 more) — QuantumExplorer or ZocoLini or xdustinfaceWhen every merge requirement is met, the
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