feat: add `abigen!` macro #919

	on:
	push:
	branches:
	- master
	pull_request:

	name: Linting

	jobs:
	lint:
	name: Lints
	runs-on: ubuntu-latest
	steps:
	- name: Checkout source code
	uses: actions/checkout@v2
	- name: Use Rust cache
	uses: Swatinem/rust-cache@v1
	with:
	cache-on-failure: true
	- name: Install prettier
	run: \|
	yarn global add prettier
	- name: Install black
	run: \|
	pip install git+https://github.com/psf/black
	- name: Check Markdown format
	run: \|
	prettier --check "*/.md"
	- name: Check Yaml format
	run: \|
	prettier --check "*/.{yaml,yml}"
	- name: Check JSON format
	run: \|
	EXIT_CODE="0";
	readarray -d '' FILES < <(find -type f -name ".json" -not -path "./target/");
	for FILE in ${FILES[@]}; do
	cat $FILE \| jq > /tmp/formatted_json.json;
	if cmp --silent "$FILE" /tmp/formatted_json.json; then
	printf "\033[1;30m$FILE\033[0m OK\n";
	else
	printf "\033[1;33m$FILE\033[0m FAILED\n";
	EXIT_CODE="1";
	fi
	done
	exit $EXIT_CODE;
	- name: Check Python format
	run: \|
	black --check .
	- name: Check Rust format
	run: \|
	cargo fmt --all -- --check
	- name: Run Clippy lints
	run: \|
	cargo clippy --all --all-targets -- -D warnings
	- name: Run Clippy lints (no_std)
	run: \|
	cargo clippy --package starknet-crypto --no-default-features -- -D warnings
	cargo clippy --package starknet-crypto --no-default-features --features alloc -- -D warnings

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