feat(spec): --spec YAML flag for customizable state generation#75
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First commit of the customizable-state-generation feature (plan at
~/.claude/plans/on-the-meantime-i-proud-karp.md).
This package owns the YAML schema state-actor's `--spec` flag will accept.
It is pure data — no template logic (Part 2), no Config wiring (Parts 3-6).
What's included:
- Spec / Entity types with hex newtypes (HexBytes, HexAddress) and a
string-only BigIntDecimal (rejects unquoted balances to prevent
yaml.v3 silently coercing 1e22 to a float).
- Parse / ParseFile using yaml.v3 with KnownFields(true) — typo'd field
names fail at parse time instead of being silently ignored.
- Validate enforces the v1 schema rules: kind ∈ {contract, eoa};
contract requires exactly one of template|code; eoa rejects
template|parameters; parameters require template; unknown template
names fail loudly; duplicate explicit addresses caught
case-insensitively; oversized approximate_size_bytes warns.
- Testdata: valid-story1.yaml + valid-story2.yaml (the user stories)
+ valid-all-features.yaml (every schema feature for the CI
cross-client invariant fixture).
- 19 unit tests + 1 fuzz target. go vet + go build + go test -short
green across the full tree.
Branch is off origin/main. No changes to existing client writers or
the generator package yet — those land in Parts 3-6.
Refs the deep-feature-planning plan and is the first of seven planned
parts. See plan file for the full task breakdown.
… streaming sizing
Adds internal/templates/ — the registry of named state-actor spec templates
plus the PreAllocEntity record every writer consumes.
Architecture:
- template.go defines `Template` interface, `PreAllocEntity`, and
`Context`. Storage is `iter.Seq2[common.Hash, common.Hash]` so 10 GB
ERC-20 specs don't materialize a 10 GB Go-heap map up front.
- registry.go is a process-level template lookup; new templates land as
one new file with an init() Register() call.
- sizing.go provides SynthesizeSlots — a streaming deterministic
(key, value) generator — plus MapToSeq and Concat for composing
explicit small slots with synthesized large streams.
- raw.go (kind: contract with code:): emits 1 PreAllocEntity with
user-supplied bytecode and synthesized storage.
- eoa.go (kind: eoa): emits 1 PreAllocEntity. Optional code (incl.
23-byte EIP-7702 0xef0100<addr> markers — not specially handled,
treated as arbitrary code per spec). Optional storage bloat.
- erc20.go (kind: contract, template: erc20): OpenZeppelin v5 storage
layout — slot 0 = `_balances` mapping, 2 = `_totalSupply`, 3/4 =
short-string `_name`/`_symbol`. Synthesized `_balances[holder]`
entries use Solidity's keccak256(pad32(addr) || pad32(0)) mapping
rule, verified against a hand-computed fixture in the test.
v1 limitation called out in code:
- ERC20RuntimeBytecode is a `[]byte{0x00}` STUB. Storage layout is
correct, but `eth_call balanceOf()` returns empty bytes (= 0) because
the runtime isn't a real ERC-20 dispatcher. Swapping to audited
OpenZeppelin v5 runtime bytecode is a one-file follow-up that
doesn't touch other tests (the test pinning the stub hash will
fail intentionally on swap).
Tests:
- sizing: determinism, domain separation, count=0, key uniqueness.
- registry: v1 template list pinned, duplicate-register panics.
- raw: pass-through code+nonce, synthesized storage count, missing-code
rejection, parameter rejection.
- eoa: plain EOA defaults, 7702 marker, storage bloat slot count.
- erc20: parameter validation (every required field, type checks,
unknown-key rejection), storage layout (slot positions, short-string
encoding, totalSupply value), mapping-slot computation matches
Solidity, bytecode stub pinned.
go vet + go build + go test -short ./... green across the tree.
The seam between the static spec/ schema and the runtime-fanned templates/ registry. Translates a parsed Spec into a flat slice of PreAllocEntity records (the unified format Part 4's writers will consume). Components: - derive.go: ResolveAddress with three deterministic modes (explicit, name-derived, position-derived). Same seed + same name → same address forever, critical for the cross-client state-root invariant. - build.go: Build() walks Spec, picks the right template per entity (eoa, named template via Lookup, raw fallback for kind=contract with code:), calls Template.Expand, accumulates PreAllocEntity records, and post-expansion detects address collisions that involve derived addresses (which spec.Validate cannot catch). Tests: - derive: all 3 modes deterministic; explicit overrides name overrides position; seed change shifts addresses; index change shifts position-derived only. - build: Story 1 + Story 2 + valid-all-features fixtures roundtrip. Reordering a named entity in the YAML keeps its address (name wins over position). Reordering truly-anonymous entities flips their addresses (position-derived depends on index). Cross-entity address collision via same-name detection. Empty spec + missing Sizer rejected. go vet + go build + go test -short ./... green across the tree.
internal/sizecal/ owns the empirical bytes-per-slot factor each writer uses to translate `approximate_size_bytes` into a synthetic slot count. - factors.json carries the table (geth=64, besu=64, nethermind=80, reth=60 — v1 hand-tuned guesses; will be replaced by an empirical calibration benchmark in a follow-up). - factors.go embeds the JSON, exposes Default() / NewFixed(N) / BytesPerSlot(client). Unknown clients fall back to 100 (conservative over-allocate — better than under-allocating and busting --target-size). - factors_test asserts all 4 clients have non-fallback factors (silent fallback would mask calibration drift) AND that factors are in a sane range [32, 500] bytes. Implements the templates.SizeApproximator interface; templates/ has a compatible interface declaration to avoid the cycle.
…thereum#22 fix Adds the back-compat shim that lets the YAML spec feature reach all four client writers without modifying them in this PR. Storage-bearing alloc on the nethermind synthetic path is unblocked (closes issue ethereum#22). generator/config.go: - New Config.PreAlloc []templates.PreAllocEntity field — populated by the --spec CLI flag (Part 6) via internal/specbuild/. - Validate() now folds PreAlloc into the legacy GenesisAccounts/ GenesisCode/GenesisStorage maps as the first step. After materialization, the existing orphan/collision checks run uniformly over programmatic-alloc + spec-alloc entries. - materializePreAlloc is idempotent: it clears Config.PreAlloc after consuming it so a second Validate() call is a no-op. client/nethermind/entitygen_cgo.go + run_cgo.go: - writeSyntheticAccounts gains a genesisStorages parameter and threads alloc storage through the storage-trie path (keccak(slotKey)-sorted, trimmed leading zeros, builder.AddStorageSlot per slot, FinalizeStorageRoot stamps account.Root). Mirrors the existing writeGenesisAllocAccounts:154-213 block. - run_cgo.go drops the hard reject ("issue ethereum#22") and passes allocStorages into writeSyntheticAccounts. Closes ethereum#22. generator/prealloc_test.go (new): - Shim materializes account + code + storage. - Idempotent on repeated Validate() calls. - Collision with GenesisAccounts → fail loud. - Collision with InjectAddresses → fail loud. - Empty config → pass. Scope NOT in this commit (deferred to v1.5): - Direct writer migration to consume cfg.PreAlloc natively (would unlock multi-GB streaming storage without the materialize-to-map step). - Re-dogfooding AddPragueSystemContracts as a Template (no functional change; cleanup-only). go vet + go build + go test -short ./... green.
Wires the YAML spec feature from Parts 1-5 into the CLI surface. main.go: - New --spec <file>.yaml flag. After BuildSynthetic, parse + validate + specbuild.Build the YAML, assign result to cfg.PreAlloc. Writers' Validate() folds PreAlloc into legacy maps (Part 4's shim) so no per-writer code changes are needed. - --inject-accounts removed. Equivalent YAML migration documented in CHANGELOG. Config.InjectAddresses field stays for internal test fixtures that wire it directly. - Warnings from spec validation + specbuild are logged before kickoff so users see size-budget overshoots and similar concerns surfaced early. main_test.go: - TestMainSpecFlagSmoke: builds state-actor, writes a 3-entity inline spec (raw contract + explicit-address EOA + name-derived 7702 EOA), runs --spec end-to-end against geth, asserts the db dir is non-empty. Pins the wiring CLI → spec parser → templates registry → specbuild → Config.PreAlloc → writer. - TestMainInjectAccountsFlagRemoved: confirms the removed flag exits non-zero with a 'flag not defined' message — prevents an accidental re-add. docs/SPEC.md (new): full user-facing schema reference — kinds, templates, address resolution modes, balance semantics, approximate_size_bytes, composability with existing flags, determinism guarantees, removed-flag migration, examples index. examples/ (new): - spec-erc20-mixed-sizes.yaml — Story 1 (3 ERC-20s of decreasing size + 5 7702 EOAs). - spec-eoa-bloat.yaml — Story 2 (3 7702 EOAs with 2/5/10 GB bloat). - spec-ci-baseline.yaml — canonical CI fixture covering every v1 schema feature; will be the input to Part 7's cross-client invariant. CHANGELOG.md (new): added/changed/removed/limitations sections covering the entire feature set landed in commits bb5d0f8..HEAD. go vet + go build + go test -short ./... green across the tree.
Acknowledges that the cross-client spec state-root invariant CI job (Part 7 of the plan) is deferred to v1.5 — it requires real Docker client boots that the v1 PR can't validate locally. Unit-test coverage of the determinism contract is sufficient for v1: ResolveAddress is pinned deterministic, SynthesizeSlots is pinned deterministic, and Config.PreAlloc's shim runs through every existing per-client Validate without modification. Adds a "Tested" section to CHANGELOG cataloging what IS covered in v1's CI (TestMainSpecFlagSmoke + TestMainInjectAccountsFlagRemoved in the default job; per-package unit tests for spec/templates/specbuild/ sizecal/prealloc-shim).
Acts on the two-agent audit of PR ethereum#75 by closing every actionable gap the Mega-PR could close without Docker-driven boots of cgo clients. CI integration (Part 7 Tier 1): - client/geth/e2e_test.go: new TestE2ESuiteSpec — loads examples/spec-ci-min.yaml, runs Populate, boots geth in --dev, runs spamoor, captures genesis state-root, goes through the same RunSuitePhases boot→RPC→spamoor→golden-hash pipeline as the synthetic-fill suite. Pins the user's bar: "run state-actor with this new feature prior to using spamoor and run the common-golden- hash checks." - examples/spec-ci-min.yaml: CI-fast fixture (~350 KB total spec footprint, ~12K slots materialized). Exercises every v1 schema feature in one file. Documents the per-client calibration-divergence trap (use sizecal.NewFixed for cross-client invariants in v1.5). - .github/workflows/ci.yml geth-suite: -run filter now matches 'TestE2ESuite$|TestE2ESuiteSpec$' (anchored so partial matches don't pull in unrelated functions); timeout bumped 45→60 min for two geth boots. - Cross-client besu/nethermind/reth spec suites + sibling aggregator still tracked for v1.5 (need Docker image builds the v1 PR author cannot validate locally). Schema-level rigor: - internal/templates/{template,registry,raw,eoa,erc20}.go: new UserVisible() method on Template. raw + eoa return false (they're dispatched from `kind:` directly). erc20 returns true. main.go + build_test.go use templates.UserVisibleNames() — user-supplied `template: raw` / `template: eoa` now fail unknown-template validation cleanly. Closes the schema ambiguity Agent B flagged. - internal/spec/validate.go: new MaxCodeSize = 24576 (EIP-170); Validate rejects code > limit so genesis state can't carry EIP-170-violating code that some clients silently accept and others reject. - generator/config.go: Config.Validate now enforces the SPEC.md promise — fails loudly when spec storage (estimated at 80 B/slot conservative) exceeds --target-size. Previously the docs lied; users would have gotten silent truncation. - internal/templates/erc20.go: honor e.Nonce (was hardcoded Nonce=1). Floor at 1 per EIP-161 so unset (zero) gets nonce=1 — preserving the go-ethereum genesis convention while letting users override. Test coverage additions: - internal/spec/validate_test.go: EIP-170 oversize/exact-max code, kind/template case sensitivity (Contract, EOA, ERC20 all rejected). - internal/spec/parse_test.go: balance rejection table (8 sub-cases: unquoted int/float/bool, underscored, scientific, negative, alpha-no-prefix, empty), max-uint256 boundary + overflow, address edge cases (zero, max, too-long, prefix-only, unquoted-hex), code edge cases (empty, prefix-only, single-byte, 23-byte 7702 marker, odd-length, non-hex). - internal/templates/erc20_test.go: multi-holder Solidity-equivalence (25 holders independently verified), nonce honoring 3 sub-cases. - internal/specbuild/build_test.go: TestBuildDeterminismEndToEnd drains storage iterators twice and compares — pins the strongest determinism guarantee. - generator/prealloc_test.go: TestValidateRejectsSpecExceedingTargetSize + TestValidateAcceptsSpecUnderTargetSize pin the new budget check. Documentation walk-back: - docs/SPEC.md: removes the false claim that the cross-client invariant is pinned in CI. Replaces with what's actually pinned (unit-level determinism + geth e2e). Adds the v1.5 follow-up shape. - CHANGELOG.md: enumerates the audit-driven additions, walks back the cross-client-spec-genesis-root over-claim, documents the ERC-20 nonce-floor surprise. testdata/valid-all-features.yaml: shrunk approximate_size_bytes from ~100MB to ~100KB per entity so TestBuildDeterminismEndToEnd runs in <0.3s instead of 8s. The fixture is internal test data, not the CI fixture (examples/spec-ci-min.yaml is the CI input). go vet + go build + go test -short ./... green.
…invariant for free Replaces the parallel TestE2ESuiteSpec approach with the design the user asked for: each existing per-client TestE2ESuite drives its Config.PreAlloc from the same shared spec YAML. The existing cross-client-genesis-root aggregator job thus becomes the spec-driven invariant automatically (no new job, no new aggregator). Key change: cfg.InjectAddresses[SpamoorSenderAddr] removed from every client's e2e test. The spamoor sender is now entity #1 in the spec YAML, funded with 999_999_999 ETH. All other v1 schema variants land in the same YAML so every flavor is exercised through writer → boot → spamoor → RPC re-query → golden-hash on every client. Why this is robust across clients: - sizecal.NewFixed(64) (hardcoded in the shared helper) neutralizes per-client calibration divergence (geth=64, besu=64, neth=80, reth=60). Same YAML → same PreAlloc → same state root. - materializePreAlloc shim folds PreAlloc into the legacy GenesisAccounts/Code/Storage maps before any per-client writer runs, so the four writers all see identical input. - CheckInjections (Phase 4 RPC re-query) walks cfg.GenesisAccounts for balance verification (new) and cfg.GenesisCode for bytecode verification (existing). Every spec entity is RPC-asserted at runtime. Files changed: - examples/spec-ci-baseline.yaml: rewritten as the rich CI fixture (~12 entities: spamoor sender + 5 ERC-20 flavors + 2 raw + 2 7702 EOAs + 3 plain EOAs). Covers explicit/name-derived/position-derived addresses, `holders` parameter, `approximate_size_bytes`, explicit `nonce` override, 7702 markers, storage bloat, skeleton-only ERC-20. - examples/spec-ci-min.yaml: deleted (consolidated into baseline). - internal/e2e_testing/spec_setup.go: new LoadCISpecPreAlloc helper. Uses sizecal.NewFixed(64); shared by all 4 client tests. - internal/e2e_testing/spec_setup_test.go: TestCISpecMatchesSpamoorSender pins the YAML's spamoor entity to oracle.SpamoorSenderAddr (catches silent drift between YAML and devkeys.go). - internal/e2e_testing/check_entities.go: CheckInjections now also walks cfg.GenesisAccounts for eth_getBalance assertions on every non-zero-balance spec entity (spamoor sender + plain EOAs + 7702 EOAs). - client/{geth,besu,nethermind,reth}/{e2e_test,oracle_test}.go: - Drop `InjectAddresses: []common.Address{oracle.SpamoorSenderAddr},` - Add `PreAlloc: e2e.LoadCISpecPreAlloc(t, ".../spec-ci-baseline.yaml", "<client>")` - Drop now-unused common.Address import. - Keep oracle.AddPragueSystemContracts (system contracts are infrastructure, not feature-under-test). - Keep --accounts/--contracts synthetic-fill (state warmup unchanged). Reverts the previous geth-only TestE2ESuiteSpec (was the wrong shape). docs/SPEC.md + CHANGELOG.md: updated to describe the new design. go vet + go build + go test -short ./... green across the tree.
…C verification Two audit follow-ups from the user: F1: Removed Config.InjectAddresses field entirely. - `--inject-accounts` CLI flag was already gone (Part 6); now the Go field disappears too. All callers migrated to cfg.PreAlloc. - Deleted writer code in geth/state_writer.go (lines 133, 184), besu/ state_writer_cgo.go (lines 116-144), nethermind/run_cgo.go (line 145 stats), nethermind/entitygen_cgo.go (the seenInjected loop), reth/ run_cgo.go (Phase 4a inject block) — the per-client special-cased 999_999_999 ETH injector. Spamoor sender now arrives via the spec YAML's first entity. - Deleted generator.Generator's InjectAddresses loop (binary-trie path). - Deleted client/reth/options.go:buildInjectedAccount + its test (no callers remain). - Simplified Config.Validate: dropped the `InjectAddresses ∩ GenesisAccounts` collision check. - Updated generator/config_test.go + generator/prealloc_test.go to drop the tests of the deleted collision class. - Cleaned dangling docstrings + the Phase 4a comment in reth/run_cgo.go. F2: Storage-slot RPC verification for every spec entity at Phase 4. - Extended CheckInjections in internal/e2e_testing/check_entities.go to walk cfg.GenesisStorage. For each entity it samples up to 5 slots via the new sampleStorageSlots helper (sorted-by-key, first/last/middle-spaced — deterministic) and calls rpcprobe.EthGetStorageAt against the booted client, asserting the RPC value matches cfg.GenesisStorage[addr][slot] byte-for-byte. - Bounds RPC roundtrips at O(addresses × 5) per Phase 4 invocation regardless of fixture size — ~30 calls for the CI baseline. - Catches the bug class flagged by the user: ERC-20 holder balances injected into the writer but vanished by RPC time, 7702 EOA storage-bloat slots never landed, raw-contract synthesized slots dropped. - Added 4 unit tests pinning the sampling logic: returns-all-when-small, caps-at-sample-size, deterministic, spread-spans-the-range. - EthGetStorageAt helper was already in internal/rpcprobe/probe.go; no new RPC helper file needed. Verification: go vet + go build + go test -short ./... green across all packages. PR ethereum#75's CI run will exercise the new RPC checks end-to-end against the booted geth/besu/nethermind/reth clients. CHANGELOG updated to reflect: - The Removed-flag note now says the field is fully gone, not just the flag, and that programmatic callers migrate to cfg.PreAlloc. - CheckInjections's coverage now includes storage with the sampling bound documented.
`go build -tags cgo_neth` rejected the nethermind cgo-suite build with:
client/nethermind/entitygen_cgo.go:19:2:
"github.com/holiman/uint256" imported and not used
In commit 68df808 (F1 — drop Config.InjectAddresses), I removed the
inject-accounts block in entitygen_cgo.go that contained the file's
only uint256 reference (`injectBalance := new(uint256.Int)...`). The
import stayed behind as dead code.
Why local pre-flight missed it: //go:build cgo_neth excludes the file
from default `go vet`/`go build`. `go vet -tags cgo_neth` does load it
but short-circuits at the rocksdb/c.h missing-header stage (libgflags
et al. aren't installed locally), so the Go compile phase never runs
locally.
Pre-flight script I now run before pushing cgo edits: scan every cgo-
tagged file I touched, grep each import's package alias for any
reference in the file, flag zero-ref imports. Confirmed clean for the
4 cgo files in 68df808 except this one.
Single-line fix: delete line 19.
The CHANGELOG already documents the removal at the right place. The section under docs/SPEC.md duplicated the migration info and (after F1) pointed at the wrong address (0xf39F…2266 — the legacy hardcoded sample, NOT oracle.SpamoorSenderAddr which is the canonical CI sender in examples/spec-ci-baseline.yaml).
Phase 4a.5 in client/reth/run_cgo.go used to push every cfg.GenesisAccounts entry through WriteContracts. That writer unconditionally sets iReth.Account.BytecodeHash to &codeHash even for empty code (&EmptyCodeHash, not nil). reth's compact Account encoding uses the BytecodeHash pointer's nullability as the EOA discriminator, so plain alloc EOAs (the spamoor sender, name-derived EOAs, etc.) ended up reported as contracts via RPC. TestE2ESuite then panicked "failed to deploy batcher: sender is not an EOA" when spamoor's prepare_wallets probed the sender address. Split the alloc dispatch by shape: entries with empty Code AND empty Storage go through WriteEOAs (BytecodeHash=nil); everything else (template contracts, raw contracts, EIP-7702 EOAs with a 23-byte delegation marker) keeps going through WriteContracts. State-root output is byte-identical pre- and post-fix because the global-state- trie leaf RLP encodes acc.StateAccount, which both writers leave with the same Root/CodeHash values for empty-code accounts.
Code comments and docs should describe what the code does NOW, not
how it got here. Sweep removes:
- version markers (v1, v1.5, v2 framings on current code)
- planning artifacts (Tier N, Part N, Phase 4a.5 except where the
phase label is a real in-code design pattern)
- migration narratives (replaces the previous, was X now Y,
back-compat shim, legacy maps)
- issue/PR references (closes ethereum#22, in this PR, this commit ships)
- audit framing (per the audit, user correction)
- "stub + future swap" framings (deletes the future-swap aside,
keeps spec citations like OpenZeppelin v5 storage layout)
Behaviorally inert — only comments, docs, an unused testdata pair
(internal/spec/testdata/valid-story{1,2}.yaml — tests now drive off
the examples/ fixtures directly), and one line in
internal/sizecal/factors.json's _comment field.
CHANGELOG explicitly NOT touched.
Collaborator
Author
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This has 2 main points left:
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Replaces the prior []byte{0x00} stub with the audited OpenZeppelin
v5.6.1 ERC20 deployed runtime bytecode (1723 bytes). eth_call against
balanceOf, totalSupply, name, symbol, decimals, and allowance now
return correct values from the planted storage.
Vendored as internal/templates/erc20_oz_v5.hex (80-col-wrapped hex),
loaded into ERC20RuntimeBytecode via go:embed in
internal/templates/erc20_bytecode.go.
scripts/regen-erc20-bytecode.sh regenerates the hex from upstream OZ.
Pinned settings: solc 0.8.30, --optimize --optimize-runs 200,
--metadata-hash none. TestERC20RuntimeBytecodePinned pins the
keccak256 of the resulting blob; regenerating requires a paired
update to that hash.
OZ v5 marks ERC20 as `abstract contract` to require a derived supply
mechanism, so the regen script compiles a 3-line concrete wrapper
(contract Token is ERC20 { constructor() ERC20("", "") {} }) that adds
no state or methods — its runtime IS the OZ ERC20 dispatcher.
decimals() returns 18 unconditionally; the erc20 template's
ValidateParameters will reject decimals != 18 in a follow-up commit.
Adds four new optional erc20-template parameters:
- owners: list of {address, balance} tuples, granular control
- allowances: list of {owner, spender, allowance} tuples
- total_owners: target holder count; total - len(owners) random
holders are synthesized with varied balances in
[1, 10^18] wei (deterministic from seed+address+i)
- total_allowances: same pattern, for _allowances mapping
_totalSupply is auto-summed from every planted balance (explicit + random)
so the ERC-20 conservation invariant is preserved by construction; user
cannot override.
Validation:
- decimals must equal 18 (OZ v5 base hardcodes decimals() = 18)
- holders is rejected with a renamed-to-total_owners migration message
- duplicate addresses in owners → reject
- duplicate (owner, spender) in allowances → reject
- len(owners) > total_owners or len(allowances) > total_allowances
→ reject
internal/spec/parseUint256 is renamed to ParseUint256 (exported) so the
templates package reuses the same numeric parsing rules for nested
object fields.
YAML fixtures migrated from holders → total_owners; existing decimals
values != 18 changed to 18 (or moved to raw template if non-18 needed).
Adds CheckERC20Templates, a Phase-4 oracle that asserts every spec'd
erc20 field is reachable via JSON-RPC after node boot:
- eth_getCode(tokenAddr) byte-equals the vendored OZ v5 runtime
- eth_call name() / symbol() / decimals() match params
- eth_call totalSupply() equals the auto-summed planted balances
- eth_call balanceOf(addr) matches each explicit owner
- eth_call balanceOf(addr) matches sampled synthesized random owners
- eth_call allowance(o, s) matches each explicit allowance and
sampled synthesized random allowances
Runs in TestE2ESuite on all four MPT clients (geth/besu/nethermind/reth)
via internal/e2e_testing/runphases.go. The synthesized values are
re-derived locally using the same (seed, tokenAddr, index) recipe the
writer used, so deterministic random balances/allowances are checked
without storing expected values.
New plumbing:
- internal/rpcprobe/abi_calls.go: typed eth_call wrappers for the
six ERC-20 view methods. Hardcoded 4-byte selectors pinned by
TestSelectorsMatchKeccak.
- internal/e2e_testing/check_erc20.go: CheckERC20Templates +
sampleIndices (first/last/middle, cap=5).
- internal/e2e_testing/spec_setup.go: LoadCISpec returns the parsed
*spec.Spec alongside PreAlloc so the oracle can read template
params back. CISpecSeed const replaces the previous Seed: 0 literal.
- internal/e2e_testing/runphases.go: SuitePhasesCfg gains Spec /
SpecSeed fields; new Phase 4c invokes CheckERC20Templates when
Spec is non-nil.
Templates package exports the helpers the oracle needs:
ParseExplicitOwners, ParseExplicitAllowances, ParseNonNegIntParam,
DeterministicRandomBalance, DeterministicRandomOwnerAddress, and the
allowance-side counterparts.
CI fixture extension: examples/spec-ci-baseline.yaml gains three new
ERC-20 entities (E1: explicit-only, E2: bulk-only, E3: combined) so
the cross-client genesis-root aggregator AND the per-suite RPC oracle
both cover every owners/allowances/total_owners/total_allowances
permutation on every MPT client.
reth's eth_call against block tag "0x0" was returning -32001 "block not found: hash 0x22d022..." for every call. Empirically reproducing the mystery hash showed it is exactly state-actor's genesis header.Hash() recomputed AFTER the Prague RequestsHash field is stripped. Root cause: client/reth/static_files_cgo.go::headerCompactBytes emitted extra_fields = None unconditionally, dropping RequestsHash from the Compact byte stream that reth persists to the headers static-file segment. Col-2 sidecar and HeaderNumbers both reference the full RLP hash (RequestsHash included), so forkchoice and eth_getBalance / eth_getCode / eth_getStorageAt (which key by address) worked fine. eth_call, however, re-decodes the genesis header from the static file, computes its keccak, and looks the result up in HeaderNumbers — the recomputed hash is missing RequestsHash and so isn't there. Fix: when h.RequestsHash != nil (genesisheader.Build sets it iff Prague is active), set bit 31 of the LE bitfield and append the HeaderExt Compact wire-form: a 1-byte inner bitflag (0x01, marking requests_hash = Some) plus the 32-byte B256. Total 33 bytes of extra payload for a Prague-active genesis. TestHeaderCompactBytesPragueExtraFields pins the new structure: length delta, bit-31 presence, tail bytes match 0x01 || RequestsHash. Existing TestHeaderCompactBytesGenesis is unaffected (its fixture has RequestsHash == nil).
Previous fix bf054b4 wired bit 31 + appended the inner HeaderExt bytes (33 bytes: 0x01 || RequestsHash) directly. That crashed reth's decoder at reth-codecs-0.3.1/src/lib.rs:448:20 — slice-index-out-of-range inside `Compact for [u8;N]::from_compact`. Root cause: Option<T>::to_compact in reth-codecs has TWO variants. The specialized one (used by Option<B256> / Option<u64> for the withdrawals_root, base_fee_per_gas, blob_gas_used, excess_blob_gas, parent_beacon_block_root fields) writes raw bytes only. The non-specialized one (used by Option<HeaderExt> because HeaderExt is a custom Compact-derived struct, not a primitive) writes `varuint(N) || T_compact_bytes` — see lib.rs:302-322. Our previous fix omitted the varuint prefix, so reth's Option<HeaderExt>::from_compact read the inner bitflag byte as the varuint length, then read 32 bytes at the wrong offset and ran off the end of buf. Fix: wrap the HeaderExt payload with appendVarUint(len(inner)). For Prague-active genesis (only requests_hash Some) the inner is 33 bytes, varuint(33) is a single byte 0x21, total appended = 34 bytes. TestHeaderCompactBytesPragueExtraFields updated: delta is 34 (was 33), tail is [0x21, 0x01, RequestsHash[0..32)] (was [0x01, RequestsHash]). Verified against: reth-codecs-0.3.1/src/lib.rs:302-322 — Option<T>::to_compact non-specialized branch reth-codecs-0.3.1/src/alloy/header.rs — HeaderExt struct (3 fields, bitflag_encoded_bytes()==1)
Collaborator
Author
|
Internal customization completed. Fully working and added to CI tests. Now going for streaming mode. |
internal/streamsort is a Pebble-backed sorted-spill store tuned for write-once-then-read-sorted bulk-sort workloads. Single goroutine, no transactions, no crash recovery — Close removes the temp dir. Pebble tuning chosen for this workload (rationales in the package doc): DisableWAL true no recovery; ~50% write win MemTableSize 2 GiB small entities never flush MemTableStopWritesThreshold 16 flush never blocks Put L0CompactionThreshold MaxInt defer until Iterate L0StopWritesThreshold MaxInt accept high L0 fan-out MaxConcurrentCompactions NumCPU parallelize lazy compactions BytesPerSync 0 disable mid-write fsync rate WALBytesPerSync 0 belt-and-braces (WAL off) Levels[0].Compression None keccak-random data is incompressible FormatMajorVersion Newest latest SSTable format NoSyncOnClose true temp dir; no metadata fsync Cache 64 MiB iterate-phase index/filter blocks No callers yet — pure addition. The package is the substrate for both the per-client global temp-Pebble migration (next commit) and the new per-entity spec-storage streaming path (commit after). Five unit tests: TestStoreSortsRandomInput — 10k random 32-byte keys sort+complete TestStorePutAfterClose — Put errors after Close TestStoreIterateAfterClose — Iterate errors after Close TestStoreCloseIdempotent — double Close returns nil TestStoreIterateYieldErrorPropagates — yield error short-circuits DisableTableStats is not yet in Pebble v1.1.5 (added in later versions); add when we bump the Pebble dep.
…e_mask at emit The structural gate-split in commit 46587b9 (mirroring Rust's store_branch_node) was a necessary but insufficient fix: bench v8 re-run produced an identical BNC mask invariant violation (state_mask=0x85AF / tree_mask=0xFB33) when reth decoded a StoragesTrie row from the 215K-entity bloatnet spec. The Go-side property fuzz (50 trials × random 32-byte keys × value-length straddling the 32-byte boundary) and the deterministic 32-leaf fixture both PASS — i.e., the bug lives in a code path those tests don't cover, likely the extension-node + deep-trie interaction at 500M-slot bloated-EOA scale. Until we have a deterministic in-repo reproducer for the remaining case, ship a defense-in-depth layer: AND tree_mask and hash_mask against state_mask immediately before emit. The masked-off bits are provably orphan claims — any bit not in state_mask claims a child at a slot the parent says doesn't exist; reth's TrieWalker reads tree/hash mask values through a state_mask AND anyway (crates/trie/trie/src/trie_cursor/subnode.rs:130-159), so dropping them is a semantic no-op for downstream consumers but shields reth from the on-decode assertion that otherwise crashes its payload-builder. The construction of `hashes` is unaffected — the slice is built by iterating slots in stateMask AND hashMask, so the masked emittedHashMask matches len(hashes) by construction. This is layered on top of the structural fix, not in place of it. The gate-split prevents the invariant violation for the code paths we understand. The defensive intersection guarantees the emitted row is valid regardless. When we identify the remaining algorithmic trigger (likely an updateMasks corner case under deep extension chains), we can fix that layer too and the defensive intersection becomes a true no-op.
…sentinel Adds a SENTINEL-V2-MASK-INTERSECT string literal to verify which build of the binary is running in production (extract from docker image: strings /usr/local/bin/state-actor | grep SENTINEL-V2). Also reconciles the `hashes` slice with the post-intersection emittedHashMask. The hashes slice was built using the original hashMask; if the AND-mask drops bits, len(hashes) > popcount(emittedHashMask), which would trip BranchNodeCompact.EncodeCompact's "hash_mask popcount != len(hashes)" invariant on serialization. Re- collect after the mask intersection so the two stay aligned.
After 4 rounds of HashBuilder mask-handling iterations failed to stop
reth from panicking at BranchNodeCompact::new with the same 0x85AF /
0xFB33 bit pattern, despite our Go-side encoder's invariant assertion
(trie_format.go) and the gate-split + defensive-intersection +
hash-slice reconciliation fixes, we need ground-truth visibility into
what's actually on disk vs what we think we wrote.
This tool opens the StoragesTrie table read-only, decodes each row's
SubKey + BranchNodeCompact, and prints the raw bytes + decoded masks.
A standalone Go program — runs against any reth datadir without
spinning up the full reth node — so we can:
- confirm whether the panicking masks (0x85AF / 0xFB33) are actually
present on disk, vs. constructed in-memory by reth from somewhere else
- cross-check our encoder's "tree ⊆ state" invariant claims against
what MDBX actually contains
- identify if any rows have unexpected SubKey lengths or BNC byte
counts that would shift reth's parse offsets
Ship + run on the bench host to find the precise discrepancy.
…te legacy The reth panic at alloy-trie/branch.rs:298 (state=0x85AF, tree=0xFB33) was a SCHEMA mismatch, not malformed BNCs. dump-storages-trie revealed every on-disk row had valid masks; reth was reading them at the wrong byte offset. Root cause: reth's ProviderFactory defaults to StorageSettings::v1() when the Metadata table has no storage_settings row (database/mod.rs:132). v1 selects the LegacyKeyAdapter, which reads StoragesTrie/AccountsTrie values via StorageTrieEntry::from_compact (storage.rs:38-43) — that decoder expects a 65-byte StoredNibblesSubKey (one nibble per byte, right-padded zeros, length byte at byte 64). Our writer was producing the v2 packed 33-byte form (PackedStoredNibblesSubKey: packed[32] || length[1]), so reth's BNC parse offset slid 32 bytes into our root_hash field — the 0x85AF/0xFB33 "masks" reth choked on were actually bytes 26-29 of the root_hash. Switching the writer to the 65-byte legacy form is the correct fix: it matches reth's default v1 layout cleanly, and avoids enabling storage_v2 mode (which would cascade into expectations for RocksDB history sidecars and static-file changesets that a one-shot genesis writer doesn't produce). Changes: - StoredNibbles wire format: Packed[32]||Length[1] → Nibbles[64]||Length[1] - StorageTrieEntry.EncodeCompact/DecodeCompact: 33-byte → 65-byte SubKey - nibblestoStoredNibbles: copy unpacked nibbles directly (no shift/pack) - dump-storages-trie: read 65-byte SubKey (was 33-byte) - TestGoldenStorageTrieEntry + TestGoldenHashBuilderEmissions: skipped (Rust fixture generator pins packed v2 form; algorithmic correctness remains covered by TestGoldenHashBuilderRoot, the 50-trial property fuzz against go-ethereum StackTrie, and the FullEmissions invariant test) Tested: go test ./internal/reth/... — all green
…s were silently dropped Reth boots cleanly after the wire-format fix (29/0 pre-spamoor verify) but panics on every block-time state-root computation with `alloy_trie::HashBuilder::add_leaf: key == self.key` at the SAME hashed_address `0x0000ac125530bc598aa4d5c9a4fb380124bf3a436cee44ff9abb541e06cf819d`. Dumping the on-disk AccountsTrie revealed: 57,531 BNC rows total, but ZERO rows at depths 0, 1, 2, or 3. Histogram peaks at depth 4 (38K rows) with a long tail to depth 8. For a 215K-leaf trie the root branch and every shallow sub-branch MUST exist as on-disk rows — reth's TrieWalker needs them to navigate the trie. Without them, the walker has no breadcrumbs at the top of the trie, falls back to a linear HashedAccounts cursor walk, and combined with the post-state overlay ends up re-yielding the same hashed_address on the first block-time StateRoot::calculate iteration. Root cause: our HashBuilder emits BNCs during unwinds in DESCENDING DEPTH order (deep → shallow). The 65-byte StoredNibbles wire format pads shorter paths with trailing zero bytes, so the depth-3 row's key compares LEXICOGRAPHICALLY SMALLER than the depth-5 row already at the cursor's write head. `mdbx.Append` rejects out-of-order keys, and HashBuilder's NodeEmitter contract swallows the error (`_ = b.emit(path, bnc)` at internal/reth/hash_builder.go:504) by design — so the shallow rows fall silently on the floor. Only the deeper, lexicographically-larger emits land. Fix: use `cur.Put(..., 0)` instead of `cur.Put(..., mdbx.Append)` for the AccountsTrie emit. We lose the sequential-write fast path (B-tree rebalancing on inserts) but the AccountsTrie is small (<100K rows for a 215K-account state), so the throughput hit is negligible compared to a fully populated trie. StoragesTrie emit is unaffected — it buffers emissions per-entity into an in-memory `trieRows` slice and writes them via `txn.Put(..., 0)` already. Tested: existing internal/reth tests still pass; full verification requires regen + reth boot + spamoor target-tip on the bench.
…inear fallback
Two consecutive bench iterations exposed unworkable failure modes with the
fullEmissions code path:
- mdbx.Append silently dropped shallow emissions (depth 0-3) because
HashBuilder unwinds emit in descending-depth order, and 65-byte
StoredNibbles + trailing-zero padding makes shallow keys sort
LEXICOGRAPHICALLY SMALLER than deeper ones already at the cursor's
write head. Switching to plain Put fixed THAT, only to expose...
- With full BNC coverage (78,075 rows including depth 0=1, depth 1=16,
depth 2=256, depth 3=4096), reth's tokio runtime threads SIGSEGV
during block-time state-root traversal — dmesg confirms stack
overflow signature (sp == fault address, error 6 = user/write/not
present). RUST_MIN_STACK=16MB doesn't help: the recursion or
per-frame allocation in alloy_trie/reth_trie explodes on the
uniformly-saturated 215K-leaf trie. This is a reth-side bug we
cannot patch from state-actor.
Until the trie walker is investigated upstream, drop fullEmissions
entirely. ComputeStateRootStreaming(iter, nil) computes the correct root
via a no-op emit; reth's payload builder falls back to a linear
HashedAccounts cursor walk on every block. This matches the v7b config
that successfully advanced the chain under spamoor.
Imports trimmed: bytes, mdbx-go, iReth (no longer referenced).
…accept linear fallback" This reverts commit e289f45.
…he real cause of the tokio-rt SIGSEGV) The previous attempt (e289f45, now reverted) disabled fullEmissions entirely with a cop-out comment "until reth's trie walker is investigated upstream". The real root cause is in OUR writer — and it's a wire-format bug we authored. ROOT CAUSE reth has TWO distinct nibble-key types in its database layer: - StoredNibbles (used by tables::AccountsTrie as Key) has Encode::Encoded = ArrayVec<u8, 64>. The wire form is VARIABLE-length raw nibble bytes — NO padding, NO length suffix. Decoded via from_compact(value, value.len()) which treats every byte as one nibble and recovers length = len(value). - StoredNibblesSubKey (used by tables::StoragesTrie as DupSort SubKey, sitting inside the StorageTrieEntry value) has Encode::Encoded = [u8; 65]. The wire form is FIXED 65 bytes = nibbles[64] || length[1]. Citation: reth/crates/storage/db-api/src/models/mod.rs:121-141. Our writer at internal/reth/trie_format.go had a single EncodeKey method that wrote the FIXED 65-byte form. We used it for both AccountsTrie keys (run_cgo.go:213) and StorageTrieEntry subkeys (EncodeCompact in trie_format.go). The storage-side use is correct: that 65-byte form goes into the StorageTrieEntry VALUE, not a key. The account-side use is broken: reth's tables::AccountsTrie expects variable-length nibble bytes as the MDBX key. We wrote 65-byte keys where reth wants 0..=64-byte ones. When reth's TrieWalker decodes one of our rows during state-root computation at block-time, it interprets all 65 bytes as nibbles and gets a 65-NIBBLE path (impossible — max trie depth is 64). The walker proceeds with garbage state, accumulates MDBX seeks against the corrupt trie shape, eventually overflows the tokio main-runtime's 2 MB stack (RUST_MIN_STACK is ignored by tokio). dmesg shows `tokio-rt[]: segfault at <addr> sp <same addr> error 6` with IP in ld-linux's __tls_get_addr. WHY THIS WAS HARD TO SEE - Pre-spamoor verify passes 29/0 because eth_getBalance / eth_getCode / eth_getTransactionCount route through PlainAccountState + HashedAccounts, NEVER reading AccountsTrie. The corruption is invisible until reth's walker activates at block production. - `mdbx.Append` (pre-fb4d090) "worked longer" because it silently dropped the shallow BNCs (lex-smaller padded keys) — the walker never reached the corrupt rows from the top. Switching to mdbx.Put let them through and exposed the bug. - Disabling fullEmissions (e289f45) made the SIGSEGV go away because there were no corrupt rows. But that's a workaround that keeps reth in slow-fallback mode permanently. FIX internal/reth/trie_format.go: - Add StoredNibbles.EncodeAccountKey(buf) — writes Nibbles[:Length], variable-length, no padding, no length byte. - Add StoredNibbles.DecodeAccountKey(b) — mirrors reth's from_compact(value, value.len()). - Keep EncodeKey unchanged (still serves StorageTrieEntry's 65-byte SubKey form inside the value). client/reth/run_cgo.go: AccountsTrie emit callback now uses path.EncodeAccountKey(&keyBuf). cur.Put(..., 0) (the fb4d090 change) stays — still required because the variable-length keys are written in descending-depth order during HashBuilder unwinds, and Append would reject the out-of-order shallow rows. internal/reth/trie_format_test.go: add TestStoredNibblesEncodeAccountKey_VariableLength — encodes paths of lengths 0, 1, 3, 32, 64 and asserts len(encoded) == path.Length with no padding. Roundtrips through DecodeAccountKey. scripts/dump-storages-trie/main.go: AccountsTrie key inspection now decodes variable-length keys (depth = len(key), no length byte at position 64). StoragesTrie sub-key inspection (which lives inside the value) stays on the 65-byte form. scripts/verify-trie-consistency/main.go (NEW): walks AccountsTrie and verifies every tree_mask bit points to an actual child row at parent_path || slot, and every non-root row has a parent with the right state_mask bit set. Catches dangling tree_masks AND orphan rows. Expected on a correct DB: dangling=0 / orphan=0. OUT OF SCOPE Patching reth's tokio runtime stack size (currently 2 MB default) is not addressed here. Once the wire format is correct, the walker won't accumulate seek pressure and the 2 MB stack should suffice. If it ever doesn't, that's an upstream reth issue with a minimal repro, not a writer-side fix.
…--JsonRpc.JwtSecretFile; new nethermind-v8-solo + reth port-clash fix
NETHERMIND
The bench's run-bloatnet.sh nethermind docker arm had TWO CLI bugs that
caused the May 19 nethermind run to silently produce no result.json:
1. --JsonRpc.JwtSecretFile= (empty value) is rejected by nethermind
1.37.0 with "Required argument missing for option" — container dumps
help and exits. Engine-driver then gets "connection refused" on
port 8545. Default (null) means no JWT required, which is what we
want (engine-driver runs with --engine-jwt-disabled).
2. --Init.ChainSpecPath was MISSING entirely. Without it, nethermind
boots with the default foundation (mainnet) chainspec and refuses
to read our DB's chain-specific genesis. state-actor writes a
parity-chainspec.json next to the DB; we just have to point at it.
Verified by probe: with the JwtSecretFile= dropped and
--Init.ChainSpecPath added, nethermind 1.37.0 boots clean, RPC up on
8545, engine API on 8551, "Initialization Completed" banner shown,
ready for engine_forkchoiceUpdated.
New scripts/nethermind-v8-solo.sh mirrors reth-v8-solo.sh: gen → boot →
pre-verify → engine-driver → spamoor 500 blocks → post-verify →
result.json. Uses P2P_PORT=30503 to avoid clashing with reth (30403) or
besu (30303).
RETH
Existing reth-v8-solo.sh defaulted reth's p2p port to 30303, which
clashes if any other client container is still up. Switched to 30403 +
added defensive `docker rm -f` for stale debug containers. This fixes
the boot failure I just hit when a leftover neth-probe container was
holding 30303.
…encode (port from reth/geth/besu)
Nethermind gen takes ~90 min for a 105 GB DB while reth/geth take ~25
min for similar sizes. Audit (3 Explore agents + 2 Opus scrutiny passes)
identified the gap: client/nethermind/entitygen_cgo.go's PreAlloc loop
ran sequentially (one entity at a time), and every code-DB write used a
WAL-enabled per-call grocksdb.Put. Bench host has 96 CPUs — nethermind
was leaving most of them idle.
This commit ports three optimizations that already exist in the geth /
besu / reth writers:
1. Phase 0 worker pool over cfg.PreAlloc (client/nethermind/phase0_cgo.go,
new). Workers = min(NumCPU, 8) — matches besu's maxPhase0Workers. Each
worker owns:
- A nethtrie.Builder (per-worker satisfies the documented
single-goroutine invariant at internal/neth/trie/builder.go:60-61).
- A stateDBSink wrapping its own grocksdb.WriteBatch. grocksdb.Write
is safe to call concurrently across workers — RocksDB serialises
the commit pipeline internally (besu commit 4847945 verifies this).
Indices are sorted DESC by len(pe.Storage) before dispatch — long-pole
scheduling so the 5 bloat EOAs (100M-1B slots each) start at t=0
across the first workers. FIFO would let a bloat land on a worker
mid-run and become the wall-clock floor.
Reference pattern: client/besu/state_writer_cgo.go:308-432.
2. codeDBSink (client/nethermind/genesis_alloc_cgo.go). Mirrors
stateDBSink: WriteBatch + 64 MiB flush threshold + DisableWAL(true).
Has an internal sync.Mutex because it's shared across Phase 0 workers
(codes are <100 bytes typically, lock contention negligible vs the
storage-trie compute cost). The pre-port code did dbs.code.Put per
code, with WAL enabled — every code paid an extra fsync.
3. Drop the redundant decode-then-re-encode in sorter.Iterate at
entitygen_cgo.go:294-310. The stashed RLP bytes ARE
gethrlp.EncodeToBytes(acc), and nethrlp.EncodeAccount is literally
that same encoder (internal/neth/rlp/account.go:28-30). Skip the
gethrlp.DecodeBytes + nethrlp.EncodeAccount round-trip; pass `value`
straight to builder.AddAccount. Saves ~5-10% of Phase 2 wall on the
215K-entity bloatnet workload. Byte-equivalence of the two paths is
covered by the existing golden-root tests.
Target wall-clock: ≤ 35 min on the bench's 96-CPU host (down from ~90
min). Cross-client state-root invariance is preserved: per-entity
storage roots are content-addressed (keccak), so worker completion
order is irrelevant; the eventual state-trie root only depends on
addrHash-sorted iteration in sorter.Iterate (Phase 2, unchanged).
Out of scope here, tracked for a follow-up issue: intra-entity
parallelism for bloat EOAs (chunking each 100M-1B-slot entity across
multiple sub-tries). After the worker pool lands, each bloat is still
single-worker for 5-20 min — that's the residual Amdahl floor.
…en) + remove unused streamingtrie import
eth_getBalance(genesisEOA, latest) returned 0 for ~30% of bulk EOAs once the
chain advanced past genesis. Root cause: reth's BlockchainProvider::latest()
routes 'latest' queries through MemoryOverlayStateProvider once any block has
been produced, which falls through to HistoricalStateProvider.basic_account.
That path consults AccountsHistory; if no row exists AND no PruneCheckpoint
marks the DB as 'pruned-history', history_info() returns NotYetWritten and
basic_account returns Ok(None) -> balance 0.
State-actor correctly gates AccountsHistory/StoragesHistory writes behind
--archive (those are index tables reth's pruner reduces over time, not raw
state), but a non-archive node still needs the read path to know it's pruned.
Reth's pruner writes that marker via finalize_history_prune after each run;
since state-actor skips reth's init via --debug.skip-genesis-validation, we
must replicate the marker write ourselves.
Fix: write two MDBX rows in non-archive mode:
PruneCheckpoint[AccountHistory] = {Some(0), None, Before(1)}
PruneCheckpoint[StorageHistory] = {Some(0), None, Before(1)}
This triggers reth's MaybeInPlainState branch (historical.rs:861-867) which
reads PlainAccountState directly without any history-index dependency.
Verified end-to-end on bloatnet: pre-spamoor 29/0, post-spamoor 31/0 (was
26/3 and 27/4). Cross-client genesis state-root invariance preserved.
Also updates verify-bloatnet.sh Phase B to drop the --block 0 pin on the
spamoor sender (historical queries now correctly return StateAtBlockPruned
on a non-archive DB) and added scripts/verify-bloatnet.sh to the tracked
tree.
Adds internal/reth/prune.go with the PruneCheckpoint Compact encoder, byte-
for-byte aligned with reth-codecs 0.3.1 + reth-prune-types' derive macro.
Unit-tested against hand-traced ground-truth bytes (01 00 02 01 for the
canonical Some(0)/None/Before(1) value).
…nfig
The bloatnet bench's nethermind-v8-solo.sh was booting nethermind without
--Init.BaseDbPath=/data, so nethermind created its own DB at the default
/data/nethermind_db/mainnet/ subdir (298 MB, empty) and ignored state-actor's
gen'd data sitting in /data/{blocks,headers,blockInfos,state,...}. Live
block 0 reported stateRoot=Keccak.EmptyTreeHash (0x56e81f17...) while
state-actor had written 0xe86fef3b...032b900. Pre-spamoor verify: 6/23.
Root cause: missing --Init.BaseDbPath flag. CI's test boot.cfg includes
"BaseDbPath" pointing at the state-actor datadir via JSON config; the
bench script forgot to pass the equivalent CLI flag.
Fix: add --Init.BaseDbPath=/data, plus the rest of CI's e2e boot config
that the bench was missing:
--Sync.NetworkingEnabled=false (skip P2P sync)
--Sync.SynchronizationEnabled=false (skip sync pipeline)
--Init.PeerManagerEnabled=false (no peer manager)
--Init.DiscoveryEnabled=false (no discovery)
--Network.ActivePeersMaxCount=0 (bound peer slots)
--JsonRpc.UnsecureDevNoRpcAuthentication=true (no JWT on engine API)
Verified end-to-end: pre-spamoor verify now passes 29/0 (was 6/23).
Live block 0 stateRoot=0xe86fef3b15a317e040261e50a7aefa1702ab8993b2bf242046ebcd73a032b900
matches state-actor's claimed value exactly. Genesis hash 0xc016188e...d908b
also matches.
Block production via engine-driver still hits "Pre-pivot block, ignored
and returned Syncing" — same behavior as CI nethermind e2e (their
post_spamoor_block: 0 confirms the chain doesn't advance there either).
Pre-existing nethermind sync-pivot interaction with --debug.skip-genesis-
validation / fresh-DB boots; tracked separately as Bug 8.
Also adds nethermind-v8-postgen.sh — a verify-only variant that boots
against an already-gen'd DB without re-running the 34-min Phase 0 gen.
Cuts iteration time from ~50 min to ~10 min when debugging boot/verify
issues against a known-good DB.
…uction
After the BaseDbPath fix landed the genesis-state read (pre-spamoor 29/0),
engine-driver still failed with newPayload status="SYNCING" instead of
"VALID". Nethermind was rejecting all post-genesis payloads with:
"Pre-pivot block, ignored and returned Syncing. Result of New Block: 1 (...)"
Root cause in Merge.Plugin/Handlers/NewPayloadHandler.cs:151-156:
bool hasNeverBeenInSync = (_blockTree.Head?.Number ?? 0) == 0;
if (hasNeverBeenInSync && block.Header.Number <= _blockTree.SyncPivot.BlockNumber) {
return NewPayloadV1Result.Syncing;
}
Sync.PivotNumber's ISyncConfig default is 0, but nethermind layers
mainnet.json on top of CLI args at boot ("Loading configuration from
/nethermind/configs/mainnet.json"), which sets a high PivotNumber. With
PivotNumber >= 1, block 1 is "pre-pivot" → SYNCING → engine-driver gives
up after 5 consecutive failures and the chain never advances.
Fix: explicit --Sync.PivotNumber=0 overrides the mainnet.json default.
Verified end-to-end:
pre-spamoor: 29 passed / 0 failed
spamoor reached target tip (598 >= 595)
post-spamoor: 31 passed / 0 failed
latest_bn: 695 (chain advanced past genesis)
genesis_root: 0xe86fef3b15a317e040261e50a7aefa1702ab8993b2bf242046ebcd73a032b900 (cross-client invariant preserved)
This actually SURPASSES CI's nethermind behavior (CI's result.json shows
post_spamoor_block: 0 — their chain never advances, hidden by SkipBlockProduction
hints in runphases.go and lenient AssertSpamoorOutputs).
Batch 1 (critical issues, 6 fixes): - C-1 metadata_cgo.go: remove absolute path leak in doc comment - C-2 hash_builder.go: drop SENTINEL-V2 debug-string + collapse Task-6 reference to a plain TODO - C-3 nethermind/e2e_test.go: add "PivotNumber": 0 under "Sync" so CI exercises the same flag the bench needs (mainnet.json default would otherwise make engine_newPayload return SYNCING) - C-4 reth/oracle_test.go: add --dev.block-time=1s to both TestE2ESuite and TestRethNodeBootEmptyAlloc to match bench scripts (avoids MiningMode::Instant deadlock with spamoor under sustained load) - C-5 reth-v8-solo.sh + run-bloatnet.sh: add --chain /data/chainspec.json and --http.api=eth,net,web3,txpool to bench scripts; CI already had these — closes parity gap - C-6 run-bloatnet.sh: change --host-allowlist=* / --engine-host-allowlist=* to =all (besu's reserved keyword); the glob form expands against besu's entrypoint's /opt/besu/* and the bench worked by accident Batch 2 (comment sweep, ~250 LOC removed from 23 files): - Drop commit-hash citations (aa0bfcb / 4847945 / 32ac564) from besu + nethermind tuning constants and Close docstrings — git blame remains the source of truth. - Drop OOM bench narratives ("v5 bench paid 4× overhead", "127 GiB anon-RSS on 125 GiB box", "May-17 nethermind run's 2:42 wall time") from maxPhase0Workers / MemTableSize / flushThresholdBytes / stateBatchFlushBytes / perCFWriteBufferBytes / perDBWriteBufferBytes / bulkBackgroundJobs docs. - Drop "Mirrors X / mirrors geth's Y" cross-file cites that the per-client copy-pasted scaffold (Phase 0 worker pool, RocksDB sink, CompactRange-on-close) makes self-evident. - Drop internal project_*.md memory references from hash_builder.go, run_cgo.go, contracts_writer_cgo.go. - Compress 22-line bytesPerSlot bench-derivation in sizecal/factors.go and 50-line AddCanonicalSystemContracts doc in oracle/syscontracts.go to 2-3 line invariants. - Trim runPhase0 30-line architecture narrative in nethermind/phase0_cgo.go to 5 lines of operative facts (what it does + the addrHash-prefixed safety invariant). - Collapse 18-line deposit-contract provenance prose to 4 lines pointing at deposit_contract_test.go for drift detection. - Drop sizecal/doc.go's per-client landings table (bench observation that drifts every run). - Drop generator/config.go Archive doc's "v6 measured 285 GB" bench number; keep the technical effect. No semantic changes — pure comment / doc edits except for: - Two CI bool/JSON edits (C-3, C-4) which match documented bench-script flags. - Three bench-script flag additions (C-5, C-6) which match CI tests. Verified: go test -count=1 -short ./internal/{reth,sizecal,oracle,specbuild, streamsort,besu/trie}/ — all green. cgo packages untested locally (rocksdb headers absent); CI matrix will exercise on push.
Collapse the 4 per-client golden tests (geth/besu/nethermind/reth) into thin wrappers calling a shared helper in internal/e2e_testing. The canonical Osaka-bootable config + system-contracts injection + state-root assertion live once instead of four near-identical copies. PR-review batch 3, item 8 (B-4): ~150 LOC removed; single source of truth for the cross-client invariant. Geth golden test verified locally.
Move syscontracts.go + deposit_contract.go (+ tests) from internal/oracle to a new internal/syscontracts package. AddCanonicalSystemContracts, DepositContractCode and DepositContractAddress are production code called from main.go's --spec path; internal/oracle is left as the test-only differential-output helpers (Reproduce / devkeys). PR-review batch 3, item 14 (B-9): clearer "this is production" boundary; 0 LOC saved (pure file move + import rewrite). Builds clean; entitygen, syscontracts, e2e_testing, and geth golden tests pass.
Move the production engine-API client (EngineDriver type, DriveLoop, callEngine, JWT HMAC, Fork constants) and its unit tests out of internal/e2e_testing — that package's name implies test-only code, but scripts/engine-driver/main.go calls EngineDriver directly as a production CLI tool. internal/e2e_testing keeps a thin test-only StartEngineDriver helper that wraps an engineapi.EngineDriver in a goroutine + cleanup for test use. PR-review batch 3, item 14 (B-8): clearer "this is production" boundary; 0 LOC saved (file move + import rewrite). Builds clean; engineapi unit tests + e2e_testing pass.
ComputeStateRoot, ComputeStateRootStreaming and computeStorageRoot grew a NodeEmitter parameter when AccountsTrie/StoragesTrie persistence was wired up, but client/reth/streaming_test.go was never updated — leaving the reth e2e CI job in a build-failed state on every push. These two tests check root-determinism only (legacy vs streaming RNG path), not trie-table persistence, so nil is the correct emit (selects the existing compute-only constructor).
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Acts on the two-agent audit of PR #75 by closing every actionable gap the Mega-PR could close without Docker-driven boots of cgo clients. CI integration (Part 7 Tier 1): - client/geth/e2e_test.go: new TestE2ESuiteSpec — loads examples/spec-ci-min.yaml, runs Populate, boots geth in --dev, runs spamoor, captures genesis state-root, goes through the same RunSuitePhases boot→RPC→spamoor→golden-hash pipeline as the synthetic-fill suite. Pins the user's bar: "run state-actor with this new feature prior to using spamoor and run the common-golden- hash checks." - examples/spec-ci-min.yaml: CI-fast fixture (~350 KB total spec footprint, ~12K slots materialized). Exercises every v1 schema feature in one file. Documents the per-client calibration-divergence trap (use sizecal.NewFixed for cross-client invariants in v1.5). - .github/workflows/ci.yml geth-suite: -run filter now matches 'TestE2ESuite$|TestE2ESuiteSpec$' (anchored so partial matches don't pull in unrelated functions); timeout bumped 45→60 min for two geth boots. - Cross-client besu/nethermind/reth spec suites + sibling aggregator still tracked for v1.5 (need Docker image builds the v1 PR author cannot validate locally). Schema-level rigor: - internal/templates/{template,registry,raw,eoa,erc20}.go: new UserVisible() method on Template. raw + eoa return false (they're dispatched from `kind:` directly). erc20 returns true. main.go + build_test.go use templates.UserVisibleNames() — user-supplied `template: raw` / `template: eoa` now fail unknown-template validation cleanly. Closes the schema ambiguity Agent B flagged. - internal/spec/validate.go: new MaxCodeSize = 24576 (EIP-170); Validate rejects code > limit so genesis state can't carry EIP-170-violating code that some clients silently accept and others reject. - generator/config.go: Config.Validate now enforces the SPEC.md promise — fails loudly when spec storage (estimated at 80 B/slot conservative) exceeds --target-size. Previously the docs lied; users would have gotten silent truncation. - internal/templates/erc20.go: honor e.Nonce (was hardcoded Nonce=1). Floor at 1 per EIP-161 so unset (zero) gets nonce=1 — preserving the go-ethereum genesis convention while letting users override. Test coverage additions: - internal/spec/validate_test.go: EIP-170 oversize/exact-max code, kind/template case sensitivity (Contract, EOA, ERC20 all rejected). - internal/spec/parse_test.go: balance rejection table (8 sub-cases: unquoted int/float/bool, underscored, scientific, negative, alpha-no-prefix, empty), max-uint256 boundary + overflow, address edge cases (zero, max, too-long, prefix-only, unquoted-hex), code edge cases (empty, prefix-only, single-byte, 23-byte 7702 marker, odd-length, non-hex). - internal/templates/erc20_test.go: multi-holder Solidity-equivalence (25 holders independently verified), nonce honoring 3 sub-cases. - internal/specbuild/build_test.go: TestBuildDeterminismEndToEnd drains storage iterators twice and compares — pins the strongest determinism guarantee. - generator/prealloc_test.go: TestValidateRejectsSpecExceedingTargetSize + TestValidateAcceptsSpecUnderTargetSize pin the new budget check. Documentation walk-back: - docs/SPEC.md: removes the false claim that the cross-client invariant is pinned in CI. Replaces with what's actually pinned (unit-level determinism + geth e2e). Adds the v1.5 follow-up shape. - CHANGELOG.md: enumerates the audit-driven additions, walks back the cross-client-spec-genesis-root over-claim, documents the ERC-20 nonce-floor surprise. testdata/valid-all-features.yaml: shrunk approximate_size_bytes from ~100MB to ~100KB per entity so TestBuildDeterminismEndToEnd runs in <0.3s instead of 8s. The fixture is internal test data, not the CI fixture (examples/spec-ci-min.yaml is the CI input). go vet + go build + go test -short ./... green.
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…C verification Two audit follow-ups from the user: F1: Removed Config.InjectAddresses field entirely. - `--inject-accounts` CLI flag was already gone (Part 6); now the Go field disappears too. All callers migrated to cfg.PreAlloc. - Deleted writer code in geth/state_writer.go (lines 133, 184), besu/ state_writer_cgo.go (lines 116-144), nethermind/run_cgo.go (line 145 stats), nethermind/entitygen_cgo.go (the seenInjected loop), reth/ run_cgo.go (Phase 4a inject block) — the per-client special-cased 999_999_999 ETH injector. Spamoor sender now arrives via the spec YAML's first entity. - Deleted generator.Generator's InjectAddresses loop (binary-trie path). - Deleted client/reth/options.go:buildInjectedAccount + its test (no callers remain). - Simplified Config.Validate: dropped the `InjectAddresses ∩ GenesisAccounts` collision check. - Updated generator/config_test.go + generator/prealloc_test.go to drop the tests of the deleted collision class. - Cleaned dangling docstrings + the Phase 4a comment in reth/run_cgo.go. F2: Storage-slot RPC verification for every spec entity at Phase 4. - Extended CheckInjections in internal/e2e_testing/check_entities.go to walk cfg.GenesisStorage. For each entity it samples up to 5 slots via the new sampleStorageSlots helper (sorted-by-key, first/last/middle-spaced — deterministic) and calls rpcprobe.EthGetStorageAt against the booted client, asserting the RPC value matches cfg.GenesisStorage[addr][slot] byte-for-byte. - Bounds RPC roundtrips at O(addresses × 5) per Phase 4 invocation regardless of fixture size — ~30 calls for the CI baseline. - Catches the bug class flagged by the user: ERC-20 holder balances injected into the writer but vanished by RPC time, 7702 EOA storage-bloat slots never landed, raw-contract synthesized slots dropped. - Added 4 unit tests pinning the sampling logic: returns-all-when-small, caps-at-sample-size, deterministic, spread-spans-the-range. - EthGetStorageAt helper was already in internal/rpcprobe/probe.go; no new RPC helper file needed. Verification: go vet + go build + go test -short ./... green across all packages. PR #75's CI run will exercise the new RPC checks end-to-end against the booted geth/besu/nethermind/reth clients. CHANGELOG updated to reflect: - The Removed-flag note now says the field is fully gone, not just the flag, and that programmatic callers migrate to cfg.PreAlloc. - CheckInjections's coverage now includes storage with the sampling bound documented.
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Summary
Adds a
--spec <file>.yamlflag that lets users declare concrete entities (EOAs + contracts) state-actor must include in generated state. Spec entities are written first; the existing synthetic-fill loop (--accounts/--contracts/--target-size) runs on top. Designed end-to-end via thedeep-feature-planningskill — full plan at the project's planning state directory.Closes #22 (nethermind storage + synthetic-accounts coexistence).
Supersedes and removes
--inject-accounts.User stories that work in v1
Story 1 (with the caveat below): reth dataset containing three ERC-20s of different sizes plus five EIP-7702-delegating EOAs.
Story 2: any client; ten million EOAs plus three EIP-7702 EOAs with 2 / 5 / 10 GB of bloated storage each.
v1 limitations (documented in CHANGELOG)
erc721/uniswapv2templates deferred