Codama IDL generation

Makefile

@@ -21,7 +21,7 @@ cargo-nightly:
 	cargo $(nightly) $(ARGS)
 
 generate-clients:
-	@echo "No JavaScript clients to generate"
+	cargo $(nightly) run -p pinocchio-associated-token-account-interface --features codama --bin generate-idl
 
 audit:
 	cargo audit \

README.md

@@ -1,2 +1,2 @@
 # associated-token-account
-The SPL Associated Token Account program and its clients
+The SPL Associated Token Account program

pinocchio/interface/Cargo.toml

@@ -10,7 +10,18 @@ edition = "2021"
 [lib]
 crate-type = ["rlib"]
 
+[[bin]]
+name = "generate-idl"
+path = "src/bin/generate-idl.rs"
+required-features = ["codama"]
+
+[features]
+codama = ["dep:codama", "dep:codama-macros", "dep:serde_json"]
+
 [dependencies]
+codama = { version = "0.7.3", optional = true }
+codama-macros = { version = "0.7.3", optional = true }
+serde_json = { version = "1.0.149", optional = true }
 solana-address = { version = "2.2.0", features = ["decode"] }
 
 [package.metadata.solana]

pinocchio/interface/README.md

@@ -1,3 +1,19 @@
 # `pinocchio-associated-token-account-interface`
 
 Pinocchio instructions and types for interacting with the Associated Token Account program.
+
+## Codama
+
+This crate includes Codama macros and an IDL generator binary.
+
+Generate the IDL from repo root:
+
+```bash
+cargo run -p pinocchio-associated-token-account-interface --features codama --bin generate-idl
+```
+
+This writes:
+
+```text
+pinocchio/interface/idl.json
+```