perf: use autoresearch to reduce allocations#3225

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tac0turtle wants to merge 10 commits intomainfrom

autoresearch/block-perf-2026-04-04

Commits on Apr 4, 2026

Baseline - current block production performance with 100 txs
tac0turtle
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sync.Pool for sha256.Hash in leafHashOpt — eliminates 2 sha256.New() allocations per block
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Unsafe reinterpret cast of Txs to [][]byte in ApplyBlock — eliminates make([][]byte, n) allocation
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Direct pb.Data serialization in DACommitment — avoids pruned Data wrapper and txsToByteSlices allocations
tac0turtle
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unsafe.Slice in Data.ToProto() — eliminates txsToByteSlices [][]byte allocation
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sync.Pool for protobuf message structs in MarshalBinary — eliminates 10 allocs per block
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pool SignedHeader.MarshalBinary — reuse pb.SignedHeader/pb.Header/pb.Signer/pb.Version
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pool State.MarshalBinary and use it in UpdateState — saves 2 allocs per block
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fix lint
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remove files
tac0turtle
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