tweak makefile to generate asset package

Makefile

@@ -1,3 +1,10 @@
+PROJECT := $(shell sed -n '0,/name\s*=\s*"\(.*\)"/s/name\s*=\s*"\(.*\)"/\1/p' Cargo.toml)
+VERSION := $(shell sed -n '0,/version\s*=\s*"\(.*\)"/s/version\s*=\s*"\(.*\)"/\1/p' Cargo.toml)
+FLAGS := RUSTFLAGS="$(RUSTFLAGS) --remap-path-prefix $(HOME)= -C link-args=-zstack-size=65536"
+WASM := "target/wasm32-unknown-unknown/release/$(shell sed -n '0,/name\s*=\s*"\(.*\)"/s/name\s*=\s*"\(.*\)"/\1/p' Cargo.toml | sed 's/-/_/g').wasm"
+NPM_WASM := "mod.wasm"
+PACKAGE := "assets/$(PROJECT)-$(VERSION).wasm"
+
 help: ## Display this help screen
 	@grep -h \
 		-E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | \
@@ -7,16 +14,15 @@ test: wasm ## Run the wasmer tests
 	@cargo test
 
 wasm: ## Build the WASM files
-	@RUSTFLAGS="$(RUSTFLAGS) --remap-path-prefix $(HOME)= -C link-args=-zstack-size=65536" \
-		cargo build \
-			--release \
-			--color=always \
-			-Z build-std=core,alloc,panic_abort \
-			-Z build-std-features=panic_immediate_abort \
-			--target wasm32-unknown-unknown
+	@$(FLAGS) cargo build --release \
+		--target wasm32-unknown-unknown \
+		--color=always \
+		-Z build-std=core,alloc,panic_abort \
+		-Z build-std-features=panic_immediate_abort
 
-package: ## Prepare the WASM npm package
-	wasm-opt -O4 target/wasm32-unknown-unknown/release/dusk_wallet_core.wasm \
-		-o mod.wasm
+package: wasm ## Prepare the WASM package
+	@wasm-opt -O3 $(WASM) -o $(NPM_WASM)
+	@cp $(NPM_WASM) $(PACKAGE)
+	@echo "Package created: $(PACKAGE)"
 
-.PHONY: test wasm help
+.PHONY: test wasm package help

README.md

@@ -6,6 +6,10 @@
 
 A library for generating and dealing with transactions.
 
+## Requirements
+
+To generate packages, we use [binaryen](https://github.com/WebAssembly/binaryen).
+
 ## Build
 
 To build and test the crate:

src/types.rs

@@ -10,9 +10,10 @@
 
 #![allow(missing_docs)]
 
-use alloc::vec::Vec;
 use alloc::string::String;
-use serde::{Serialize, Deserialize};#[doc = " The arguments of the balance function"]
+use alloc::vec::Vec;
+use serde::{Deserialize, Serialize};
+#[doc = " The arguments of the balance function"]
 #[derive(Clone, PartialEq, Debug, Deserialize, Serialize)]
 pub struct BalanceArgs {
     #[doc = " A rkyv serialized [Vec<phoenix_core::Note>]; all notes should have their keys derived from "]