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platformvm/txs/zap_native: 5 more tx types (LP-023 Phase 1 batch 2)

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Native ZAP encoding — no marshal step, struct IS wire format — for the
next batch of platformvm tx types. Same pattern as Phase 1 batch 1.

New types (v1 schemas; variable-length nested fields deferred to batch 3):
  base_tx.go                     — NetworkID + BlockchainID + Memo
                                   (Outs/Ins → batch 3)
  register_l1_validator_tx.go    — ValidationID + BLS pubkey 48B + PoP 96B
                                   + Expiry + RemainingBalanceOwnerID stub
                                   (Warp Message + full OutputOwners → batch 3)
  slash_validator_tx.go          — NodeID + Subnet + SlashPercentage
                                   (Evidence variable-length → batch 3)
  transfer_chain_ownership_tx.go — Chain + Owner{threshold,locktime,addr} v1 stub
                                   (full OutputOwners list → batch 3)
  remove_chain_validator_tx.go   — NodeID + Subnet
                                   (ChainAuth lives in signed wrapper)

Tests + benches extend the existing all_tx_types_test.go +
all_types_bench_test.go infra (no duplication). 18 new accessor zero-alloc
sites verified, including 48B BLSPublicKey and 96B PoP by-value returns.

Aggregate bench results (Apple M1 Max, Go 1.24, -benchtime=2s):

  Parse Legacy vs ZAP:
    BaseTx                      470.0  →  60.42 ns  ( 7.8x)  152→24 B  3→1 alloc
    RegisterL1ValidatorTx       1008   →  75.03 ns  (13.4x)  384→24 B  6→1 alloc
    SlashValidatorTx            690.6  →  82.74 ns  ( 8.3x)  176→24 B  4→1 alloc
    TransferChainOwnershipTx    2459   → 161.5  ns  (15.2x)  192→24 B  4→1 alloc
    RemoveChainValidatorTx      879.6  → 117.2  ns  ( 7.5x)  176→24 B  4→1 alloc

  Parse cross-type mean (10 types now native): 8.5x speedup.

  Build (one-time per proposer, dominated by Parse on consensus path):
    BaseTx       1.5x slower (memo SetBytes deferred-copy; acceptable trade)
    Register     1.03x       (allocs 7→2)
    Slash        1.4x faster (allocs 5→2)
    Transfer     0.96x       (allocs 5→2)
    Remove       1.3x faster (allocs 5→2)

All accessor reads zero-alloc. All builds 1 alloc on read path.

Verification:
  cd ~/work/lux/node
  GOWORK=off go build ./vms/platformvm/txs/zap_native/...
  GOWORK=off go test  ./vms/platformvm/txs/zap_native/...
  GOWORK=off go test -bench=. -benchmem -benchtime=2s \\
    ./vms/platformvm/txs/zap_native/...

Activation 1782604800 (2026-07-01 00:00 UTC) unchanged.
LUXD_ENABLE_LEGACY_CODEC=1 opts INTO legacy unchanged.

Refs LP-023. Next: batch 3 — variable-length nested-object schemas (Outs/Ins
lists, Warp Message payloads, full OutputOwners, Evidence) + remaining tx
types via codegen.
This commit is contained in:
Hanzo AI
2026-06-02 13:34:12 -07:00
parent 6f1c1811ca
commit 7aa01da346
8 changed files with 1000 additions and 0 deletions
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LLM.md
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@@ -39,6 +39,8 @@ selection, and EVM contract auth.
| SHA | Tag | Impact |
|-----|-----|--------|
| (pending) | next | LP-023 Phase 1 batch 2: 5 more native-ZAP tx types — BaseTx v1, RegisterL1ValidatorTx v1, SlashValidatorTx v1, TransferChainOwnershipTx v1, RemoveChainValidatorTx. Cross-type Parse mean speedup 8.5× over linearcodec. Variable-length nested-object schemas (Outs/Ins/full OutputOwners/Warp Message/Evidence) deferred to batch 3. |
| `e77a7ef78e` | (pre) | LP-023 Phase 1 batch 1: 4 simple tx types + bench harness. 37× Parse, 5.6× cross-type mean. |
| `9df72a6f55` | v1.26.10 | Wire ChainSecurityProfile into bootstrap (closes F102) |
| `c4af52411e` | v1.26.10 | X-Chain (avm) mempool refuses classical creds under strict-PQ |
| `a14a1601f4` | v1.26.10 | P-Chain (platformvm) mempool refuses classical creds under strict-PQ |