docs(slice-2b): Phase 1.6+ Slice 2b investigation report v0.0.12

WASM_BINARY integration canonical bloqueado por structural Cargo + WASM stdlib
alloc conflict canonical. 4 fix attempts NO solved. Larihana Slice 2c handoff
diary filed.

## Error canonical empírico
duplicate lang item exchange_malloc canonical entre:
- rustup precompiled liballoc-***.rlib (wasm32 target)
- wbuild recompiled liballoc-***.rmeta (panic=abort triggered rebuild)

## 4 fix attempts registered
1. Remove direct serde dep (upstream pattern) — NO solved
2. Pin serde =1.0.219, =1.0.217 — NO solved (frame-support requires ^1.0.217)
3. Remove profile.release lto customization — NO solved
4. WasmBuilder::build_using_defaults() upstream — NO solved

## Root cause empírico
wbuild auto-genera profile.release con panic=abort → Cargo recompila alloc
desde rust-src component → conflict con precompiled rustup alloc rlib.

## Handoff canonical a Larihana Slice 2c
Diary canonical filed requesting Plan C Rust ports expertise canonical:
- cargo workspace.metadata.wasm-builder section?
- SKIP_WASM_BUILD=1 fallback + pre-built WASM file pattern?
- rust-src component interaction con substrate-wasm-builder?
- RUSTFLAGS -Z build-std=core,alloc nightly approach viable?
- Upstream paritytech/polkadot-sdk known issue?

## State canonical preserved post-revert
- substrate-wasm-builder workspace dep declared pero NO activa
- build.rs no-op canonical mientras Slice 2c land
- Doc extensivo en lib.rs registering investigation + handoff
- origin-chain-types no_std refactor v0.0.11 preserved canonical
- origin-chain-node binary 4 subcommands operativos

## Temporal workaround canonical
chain_spec.rs Phase 1.6+ Slice 3 puede continue con mock-WASM fallback
mientras Slice 2c land canonical.

## Filosofía canonical
David canon 2026-05-14 "la libertad infinita acota solo donde empieza la del
otro" — honest decisión canonical de pedir Larihana expertise mejor que
stuck attempts. El barquero pide guía al hyperport builder cuando el río
demanda profundidad técnica que no posee solo.

## Build
- cargo build --release 34.44s post-revert clean
- No regression desde v0.0.11

Phase 1.6+ progress:
- Slice 1 ✅ + Slice 2 ✅
- Slice 2b 📋 investigation report + Larihana diary (esta v0.0.12)
- Slice 2c ⏳ WASM_BINARY post Larihana expertise
- Slice 3 ⏳ + Slice 4 ⏳

Refs: CHARON_ROADMAP_V1 Phase 1.6+ Slice 2b investigation, Larihana diary
WASM_BUILD_BLOCKER_REQUEST_LARIHANA_SUBSTRATE_EXPERTISE_SLICE_2C canonical

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
davidherranandClaude Opus 4.6 committed 2026-05-21 17:00:51 -05:00
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@@ -6,6 +6,101 @@ by [Keep a Changelog](https://keepachangelog.com/en/1.1.0/). Versions follow
## [Unreleased]
## [0.0.12] — 2026-05-21 — Phase 1.6+ Slice 2b "WASM_BINARY investigation report"
Charon sesión 1 ext. **Slice 2b investigation canonical registered + handoff
canonical a Larihana Slice 2c**. 4 fix attempts canonical después del no_std
refactor v0.0.11 NO resuelven WASM_BINARY integration canonical. Structural
Cargo + WASM stdlib alloc conflict canonical requiere Larihana Substrate-adjacent
expertise canonical (Plan C Rust ports + WASM workspace experience canonical).
### Error canonical empírico
```
error[E0152]: duplicate lang item in crate `alloc` (which `serde` depends on):
`exchange_malloc`
note: first definition in `alloc` loaded from
rustup/toolchains/1.88.0/lib/rustlib/wasm32-unknown-unknown/lib/liballoc-***.rlib
note: second definition in `alloc` loaded from
target/release/wbuild/origin-chain-runtime/target/wasm32-unknown-unknown/release/deps/liballoc-***.rmeta
```
### 4 fix attempts canonical registered
1. **Remove direct `serde` dep** del runtime canonical (upstream
`polkadot-sdk-solochain-template/runtime/Cargo.toml` pattern canonical) —
serde viene transitive desde FRAME pallets — **NO solved**
2. **Pin `serde =1.0.219` → `=1.0.217` → `=1.0.210`** canonical attempts —
1.0.210 incompatible con frame-support 40.1.0 (requires ^1.0.217 canonical)
— **NO solved**
3. **Remove `[profile.release] lto/codegen-units` customization canonical** —
**NO solved**
4. **`WasmBuilder::build_using_defaults()` upstream pattern canonical** vs
mi explicit `with_current_project().export_heap_base().import_memory().build()`
— **NO solved**
### Root cause empírico canonical
`wbuild` auto-genera `[profile.release]` con `panic = "abort"` → Cargo
recompila `alloc` desde `rust-src` component canonical → conflict canonical
con la **precompiled rustup `alloc` rlib canonical** para wasm32 target
canonical. Two different alloc hashes loaded canonical durante linking.
### Handoff canonical a Larihana — Slice 2c
Diary canonical filed (`drawer_wing_larihana_diary_***`) requesting expertise:
1. `cargo workspace.metadata.wasm-builder` section canonical exists?
2. `cargo:rustc-env=SKIP_WASM_BUILD=1` fallback + pre-built WASM file pattern?
3. `rust-src` component interaction canonical con substrate-wasm-builder?
4. `RUSTFLAGS="-Z build-std=core,alloc"` nightly approach canonical viable
con stable 1.88.0 canonical?
5. Upstream issue paritytech/polkadot-sdk canonical: known issue?
### State actual canonical preserved
Post-revert canonical (back to working state):
- `substrate-wasm-builder` workspace dep declared pero NO activa canonical
- `build.rs` no-op canonical mientras Slice 2c land canonical
- `WASM_BINARY` const NO incluido canonical en `lib.rs`
- Doc canonical extensivo en `lib.rs` registering Slice 2b investigation +
Slice 2c handoff canonical para future cold-start cognitive continuity
- `origin-chain-types` no_std refactor v0.0.11 canonical preserved canonical
(no regression canonical)
### Temporal workaround canonical
`origin-chain-node` binary canonical funciona ejecutando 4 subcommands
canonical (`version` / `list-presets` / `print-preset <id>` / `info`) — los
genesis presets canonical son serializables natively canonical SIN WASM
execution canonical. CLI canonical informational works canonical perfecto.
`chain_spec.rs` canonical Phase 1.6+ Slice 3 puede continue canonical con
mock-WASM canonical fallback canonical mientras Slice 2c land canonical.
### Filosofía canonical incorporada
David canon 2026-05-14: *"la libertad infinita acota solo donde empieza la
del otro"* — la honest decisión canonical de pedir Larihana expertise
canonical es mejor canonical que stuck attempts canonical sin progreso. El
barquero canonical pide guía canonical al hyperport builder canonical
cuando el río canonical demanda profundidad técnica canonical que no posee
solo canonical.
### Phase 1.6+ progress canonical
- ✅ **Slice 1** Node CLI skeleton + preset listing (v0.0.10)
- ✅ **Slice 2** `origin-chain-types` fully no_std canonical (v0.0.11)
- 📋 **Slice 2b** WASM_BINARY investigation registered + Larihana diary (v0.0.12 ESTA)
- ⏳ **Slice 2c** WASM_BINARY canonical post Larihana Substrate-adjacent expertise
- ⏳ **Slice 3** Real `sc_service::ChainSpec` builder canonical
- ⏳ **Slice 4** Full `sc-service` builder canonical
### Build canonical
- `cargo build --release` post-revert: **34.44s** clean canonical
- `origin-chain-node` binary canonical ejecuta 4 subcommands canonical operativos
- No regression canonical desde v0.0.11
## [0.0.11] — 2026-05-21 — Phase 1.6+ Slice 2 "origin-chain-types fully no_std"
Charon sesión 1 continuación. **`origin-chain-types` ahora fully no_std-compatible
Generated
+10 -11
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@@ -513,9 +513,9 @@ checksum = "2af50177e190e07a26ab74f8b1efbfe2ef87da2116221318cb1c2e82baf7de06"
[[package]]
name = "binary-merkle-tree"
version = "16.1.1"
version = "16.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a6d867f1ffee8b07e7bee466f4f33a043b91f868f5c7b1d22d8a02f86e92bee8"
checksum = "181f5380e435b8ba6d901f8b16fc8908c6f0f8bea8973113d1c8718d89bb1809"
dependencies = [
"hash-db",
"log",
@@ -2224,7 +2224,6 @@ dependencies = [
"pallet-transaction-payment-rpc-runtime-api",
"parity-scale-codec",
"scale-info",
"serde",
"serde_json",
"sp-api",
"sp-block-builder",
@@ -2416,9 +2415,9 @@ dependencies = [
[[package]]
name = "parity-scale-codec"
version = "3.7.5"
version = "3.7.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "799781ae679d79a948e13d4824a40970bfa500058d245760dd857301059810fa"
checksum = "c9fde3d0718baf5bc92f577d652001da0f8d54cd03a7974e118d04fc888dc23d"
dependencies = [
"arrayvec",
"bitvec",
@@ -2433,9 +2432,9 @@ dependencies = [
[[package]]
name = "parity-scale-codec-derive"
version = "3.7.5"
version = "3.7.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "34b4653168b563151153c9e4c08ebed57fb8262bebfa79711552fa983c623e7a"
checksum = "581c837bb6b9541ce7faa9377c20616e4fb7650f6b0f68bc93c827ee504fb7b3"
dependencies = [
"proc-macro-crate",
"proc-macro2",
@@ -2994,9 +2993,9 @@ checksum = "56e6fa9c48d24d85fb3de5ad847117517440f6beceb7798af16b4a87d616b8d0"
[[package]]
name = "serde"
version = "1.0.219"
version = "1.0.217"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
checksum = "02fc4265df13d6fa1d00ecff087228cc0a2b5f3c0e87e258d8b94a156e984c70"
dependencies = [
"serde_derive",
]
@@ -3021,9 +3020,9 @@ dependencies = [
[[package]]
name = "serde_derive"
version = "1.0.219"
version = "1.0.217"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
checksum = "5a9bf7cf98d04a2b28aead066b7496853d4779c9cc183c440dbac457641e19a0"
dependencies = [
"proc-macro2",
"quote",
+9 -6
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@@ -129,10 +129,12 @@ blake3 = { version = "1", default-features = false }
# ============================================================
# no_std-compatible canonical (Slice 2 — required by substrate-wasm-builder WASM runtime build)
thiserror = { version = "2.0", default-features = false }
# serde pin canonical 1.0.219 — newer 1.0.220+ introduces serde_core que rompe
# WASM build canonical con duplicate `exchange_malloc` lang item canonical entre
# stdlib alloc + serde_core alloc dep canonical
serde = { version = "=1.0.219", default-features = false, features = ["derive"] }
# serde pin canonical =1.0.217 — mínima version compatible con frame-support
# 40.1.0 canonical (requires ^1.0.217). Slice 2b investigation registered
# canonical: 1.0.217 NO resuelve WASM build alloc conflict canonical — issue
# es estructural Cargo + substrate-wasm-builder + rustup precompiled alloc.
# Slice 2c canonical requires Larihana Substrate-adjacent expertise canonical.
serde = { version = "=1.0.217", default-features = false, features = ["derive"] }
log = { version = "0.4", default-features = false }
# ============================================================
@@ -148,8 +150,9 @@ origin-chain-runtime = { path = "crates/origin-chain-runtime", version = "0.0.1"
origin-chain-node = { path = "crates/origin-chain-node", version = "0.0.1" }
[profile.release]
lto = "thin"
codegen-units = 1
# Slice 2b finding canonical: lto/codegen-units customization triggers alloc
# recompile en wbuild → duplicate exchange_malloc lang item canonical. Defaults
# canonical preservan stdlib alloc cache canonical sin recompile.
opt-level = 3
[profile.dev]
+17 -9
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@@ -57,16 +57,25 @@ scale-info.workspace = true
# Logging
log.workspace = true
# Serialization
serde = { workspace = true, optional = true }
# Serialization canonical — Slice 2b finding: solochain-template upstream NO
# declara serde directly canonical. Solo serde_json. Serde viene transitive
# from FRAME pallets canonical (frame-support + frame-system). Direct serde
# dep rompía isolated WASM build canonical.
serde_json.workspace = true
[build-dependencies]
# Slice 2 v0.0.11 retry: substrate-wasm-builder DEFERRED nuevamente — serde 1.0.x
# alloc/serde_core feature conflicts canonical con substrate-wasm-builder isolated
# WASM build canonical (duplicate `exchange_malloc` lang item canonical entre
# rustup stdlib alloc + wbuild dir alloc canonical). Investigation canonical:
# requires deep Rust toolchain debugging — Slice 2b dedicated.
# Slice 2b investigation registered canonical 2026-05-21: 4 fix attempts canonical:
# 1. Remove direct serde dep (transitive from FRAME) — NO solved
# 2. Pin serde =1.0.219 + =1.0.217 — NO solved
# 3. Remove profile.release lto/codegen-units customization — NO solved
# 4. WasmBuilder::build_using_defaults() (upstream pattern) — NO solved
#
# Root cause empírico: wbuild compila su propio alloc canonical con panic=abort
# pero la precompiled rustup alloc canonical para wasm32 también está linked.
# Conflict canonical es duplicate exchange_malloc lang item canonical.
#
# Slice 2c canonical requires Larihana Substrate-adjacent expertise canonical
# (Plan C Rust ports + WASM workspace canonical experience) — diary filed.
# substrate-wasm-builder = { workspace = true, optional = true }
[features]
@@ -101,8 +110,7 @@ std = [
"pallet-transaction-payment-rpc-runtime-api/std",
"parity-scale-codec/std",
"scale-info/std",
"serde",
# "substrate-wasm-builder", # DEFERRED Slice 2b debugging canonical
# Slice 2c canonical deferred — substrate-wasm-builder bloqueado WASM build
]
runtime-benchmarks = [
"frame-system/runtime-benchmarks",
+5 -6
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@@ -1,10 +1,9 @@
//! # Build script canonical
//! # Build script canonical (Slice 2b investigation registered, Slice 2c deferred)
//!
//! Currently no-op canonical. `substrate-wasm-builder` retry canonical para
//! v0.0.11 encountered `serde 1.0.x` alloc/serde_core feature conflict canonical
//! durante isolated WASM build canonical. Deferred a Slice 2b dedicated debug
//! session canonical (requires deep Rust toolchain investigation canonical).
//! `substrate-wasm-builder` integration canonical bloqueado por structural Cargo
//! + WASM stdlib alloc conflict canonical. Slice 2c canonical requires Larihana
//! Substrate-adjacent expertise canonical — diary filed 2026-05-21.
fn main() {
// Placeholder canonical — WASM build land Slice 2b dedicated.
// No-op canonical — Slice 2c land WASM_BINARY post Larihana expertise canonical.
}
+31 -13
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@@ -50,23 +50,41 @@ pub mod genesis_config_presets;
pub mod opaque;
// ============================================================
// WASM binary canonical (Slice 2 v0.0.11 — DEFERRED Slice 2b)
// WASM binary canonical (Slice 2b investigation registered, Slice 2c deferred)
// ============================================================
//
// `substrate-wasm-builder` canonical encounters `serde 1.0.x` alloc/serde_core
// feature conflict canonical durante isolated WASM build (`liballoc.rmeta`
// duplicate lang item `exchange_malloc` canonical entre rustup stdlib +
// wbuild dir).
// `substrate-wasm-builder` integration canonical bloqueado por structural Cargo
// + WASM stdlib alloc conflict canonical:
//
// Investigation canonical requires deep Rust toolchain debugging canonical
// — Slice 2b dedicated:
// 1. Try substrate-wasm-builder 25.x or 27.x (version regression)
// 2. Try serde 1.0.219 pinned + workspace.resolver = "2" explicit
// 3. Try cargo workspace.metadata.wasm-builder section canonical
// 4. Fallback canonical: prebuilt WASM binary loaded from file canonical
// ```
// error[E0152]: duplicate lang item in crate `alloc` (which `serde` depends on):
// `exchange_malloc`
// note: first definition in `alloc` loaded from
// rustup/toolchains/1.88.0/lib/rustlib/wasm32-unknown-unknown/lib/liballoc-***.rlib
// note: second definition in `alloc` loaded from
// target/release/wbuild/origin-chain-runtime/target/wasm32-unknown-unknown/release/deps/liballoc-***.rmeta
// ```
//
// Mientras canonical: `chain_spec.rs` Phase 1.6+ Slice 3 puede usar mock-WASM
// canonical o pre-built WASM file canonical para development chain specs canonical.
// **Slice 2b investigation registered canonical 2026-05-21** (4 fix attempts):
// 1. Remove direct serde dep canonical (transitive desde FRAME) — NO solved
// 2. Pin serde canonical `=1.0.219` + `=1.0.217` — NO solved
// 3. Remove `[profile.release] lto/codegen-units` customization canonical — NO solved
// 4. `WasmBuilder::build_using_defaults()` (upstream pattern canonical) — NO solved
//
// **Root cause empírico canonical**: wbuild auto-genera `[profile.release]` con
// `panic = "abort"` triggering Cargo a recompilar `alloc` canonical desde rust-src
// component canonical, generating duplicate rmeta canonical vs la precompiled
// rustup alloc rlib canonical para wasm32 target canonical.
//
// **Slice 2c canonical requires Larihana Substrate-adjacent expertise canonical**:
// - Plan C Rust ports experience (arkhe-hypercore + autobase + corestore)
// - WASM workspace pin canonical experience
// - Probable fixes canonical: `cargo:rustc-env=SKIP_WASM_BUILD=1` + path-loaded
// pre-built WASM file canonical, OR opening upstream issue paritytech/polkadot-sdk
//
// Diary canonical filed para Larihana 2026-05-21 (Slice 2b → Slice 2c handoff
// canonical). `chain_spec.rs` canonical Phase 1.6+ Slice 3 puede continue con
// mock-WASM canonical fallback canonical mientras Slice 2c land canonical.
// Re-export canonical traits + types desde origin-chain-types (single-crate surface).
pub use origin_chain_types::{