feat: BCS ABNF compile-time generation (#1040)

* feat: BCS ABNF PoC

* fix TypeTag order

* add new types

* execution-status order

* feat: Add grammar driven fuzzing

* dprint and clippy

* fmt

* improve definitions and tests

* consistent comments

* Remove trait

* licenses and stuff

* add CI job

* nits

* const file name

* remove duplicates

* add env check to proc macro

* replace hex with decimal

* conform to rfc5234

* disallow duplicate names

* combine

* fix duplication detection

* fmt

* update bindings

* add sdk prefix

* add README.md

* dprint fmt

* remove "sorted"

* add iota-bcs-schema to cargo sort script

* bool / option as decimal

* remove opt

* update ABNF

* only i64 exists as primitive

* Mention the duplicate-name check

* %d for option/bool

* claude diff

* fix ABNF

* align comments

* handle some diffs

* remove diff

* nit

* align

* harmonise ABNF and BCS comments

* fix hex conversion

---------

Co-authored-by: Chloe Martin <[email protected]>
Co-authored-by: Thoralf Müller <[email protected]>

Author: 3 people

.github/workflows/lints.yml

@@ -40,6 +40,10 @@ jobs:
         if: (!github.event.pull_request.draft || contains(github.event.pull_request.body, '[run-ci]'))
         run: make doc
 
+      - name: BCS schema
+        if: (!github.event.pull_request.draft || contains(github.event.pull_request.body, '[run-ci]'))
+        run: BCS_SCHEMA=1 cargo check -p iota-sdk-types --features bcs-schema
+
       - run: make is-dirty
 
   cargo-sort:

Cargo.toml

@@ -2,6 +2,7 @@
 resolver = "2"
 members = [
   "crates/iota-sdk",
+  "crates/iota-sdk-bcs-schema",
   "crates/iota-sdk-crypto",
   "crates/iota-sdk-ffi",
   "crates/iota-sdk-graphql-client",
@@ -44,6 +45,7 @@ variadics_please = "1.1"
 wasm-bindgen-test = "0.3"
 
 # internal dependencies
+iota-bcs-schema = { version = "0.0.0", package = "iota-sdk-bcs-schema", path = "crates/iota-sdk-bcs-schema" }
 iota-crypto = { version = "0.0.1-alpha.1", package = "iota-sdk-crypto", path = "crates/iota-sdk-crypto", default-features = false }
 iota-graphql-client = { version = "0.0.1-alpha.1", package = "iota-sdk-graphql-client", path = "crates/iota-sdk-graphql-client", default-features = false }
 iota-graphql-client-build = { version = "0.0.1-alpha.1", package = "iota-sdk-graphql-client-build", path = "crates/iota-sdk-graphql-client-build", default-features = false }