feat(crypto): native crypto + hash syscalls on Vara and ethexe#5363

Draft

ukint-vs wants to merge 14 commits intomasterfrom

vs/crypto-syscalls

Commits on Apr 20, 2026

feat(crypto): add gr_sr25519_verify and gr_blake2b_256 syscalls (Stage 0)

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feat(crypto-demo): gcore wrappers + WASM-vs-syscall gas comparison demo

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feat(pallet-gear): benchmarks for gr_sr25519_verify and gr_blake2b_256

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feat(crypto): add gr_ed25519_verify, gr_sha256, gr_keccak256 syscalls (Stage 1)

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feat(crypto): add gr_secp256k1_verify and gr_secp256k1_recover syscalls (Stage 2)

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test(crypto-demo): add KAT tests + review-driven doc fixes

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feat(crypto): sr25519 signing context + secp256k1 malleability flag (pre-merge ABI refinement)

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fix(crypto): close 4 issues surfaced by /codex challenge

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chore(crypto-syscalls): cargo fmt + clippy fixes

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chore(crypto-syscalls): typo fix + workspace-hack regen

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fix(crypto): drop full_crypto feature from sp-core deps

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feat(crypto): per-byte weight for sr25519/ed25519 verify transcript cost

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chore(crypto): strip rot comments from Cargo.toml deps

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Commits on Apr 21, 2026

Merge branch 'master' into vs/crypto-syscalls
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