Update documentation for building and testing (#120)

* chore: fix Makefile pre-build

* chore: add Makefile command to install depenedncy cargo-make

* chore: update all READMEs with instructions to install dependencies, build and test

* chore: add target to fetch all submodules

Makefile

@@ -1,13 +1,20 @@
-.PHONY: all test clean
+.PHONY: all installdeps build test clean
 
-all: .pre-build
-	@cargo make build
+all: .pre-build build
 
-.pre-build:
-ifndef $(cargo make --help)
+.fetch-submodules:
+	@git submodule update --init --recursive
+
+.pre-build: .fetch-submodules
+ifeq (, $(shell which cargo-make))
 	@cargo install --force cargo-make
 endif
 
+installdeps: .pre-build
+
+build: .pre-build
+	@cargo make build
+
 test: .pre-build
 	@cargo make test
 

README.md

@@ -17,3 +17,15 @@ in Rust.
 - [RLN library](https://github.com/kilic/rln) written in Rust based on Bellman.
 
 - [semaphore-rs](https://github.com/worldcoin/semaphore-rs) written in Rust based on ark-circom.
+
+## Build and Test
+
+To install missing dependencies, run the following commands from the root folder
+```bash
+make installdeps
+```
+To build and test all crates, run the following commands from the root folder
+```bash
+make build
+make test
+```

multiplier/README.md

@@ -3,7 +3,15 @@
 Example wrapper around a basic Circom circuit to test Circom 2 integration
 through ark-circom and FFI.
 
-# FFI
+## Build and Test
+
+To build and test, run the following commands within the module folder
+```bash
+cargo make build
+cargo make test
+```
+
+## FFI
 
 To generate C or Nim bindings from Rust FFI, use `cbindgen` or `nbindgen`:
 

private-settlement/README.md

@@ -2,3 +2,10 @@
 
 This module is to provide APIs to manage, compute and verify [Private Settlement](https://rfc.vac.dev/spec/44/) zkSNARK proofs and primitives.
 
+## Build and Test
+
+To build and test, run the following commands within the module folder
+```bash
+cargo make build
+cargo make test
+```

rln-wasm/README.md

@@ -10,6 +10,12 @@ curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
 ```
 cargo install cargo-make
 ```
+
+OR
+
+```
+make installdeps
+```
 3. Compile zerokit for `wasm32-unknown-unknown`:
 ```
 cd rln-wasm

rln/README.md

@@ -3,15 +3,21 @@
 This module provides APIs to manage, compute and verify [RLN](https://rfc.vac.dev/spec/32/) zkSNARK proofs and RLN primitives.
 
 ## Pre-requisites
-### Install
+### Install dependencies and clone repo
 
 ```sh
+make installdeps
 git clone https://github.com/vacp2p/zerokit.git
 cd zerokit/rln
 ```
-Implemented tests can be executed by running within the module folder
 
-`cargo test --release`
+### Build and Test
+
+To build and test, run the following commands within the module folder
+```bash
+cargo make build
+cargo make test
+```
 
 ### Compile ZK circuits
 

semaphore/README.md

@@ -8,3 +8,11 @@ Goal is also to provide a basic FFI around protocol.rs, which is currently not
 in scope for that project.
 
 See that project for more information.
+
+## Build and Test
+
+To build and test, run the following commands within the module folder
+```bash
+cargo make build
+cargo make test
+```