build

Upgrade `rust-bitcoin` to `0.31.0` #18

	name: build

	on: push

	jobs:
	codestyle:
	runs-on: ubuntu-latest
	steps:
	- name: Set up Rust
	uses: hecrj/setup-rust-action@v1
	with:
	components: rustfmt
	rust-version: stable
	- uses: actions/checkout@v2
	- run: cargo fmt --all -- --check

	lint:
	runs-on: ubuntu-latest
	steps:
	- name: Set up Rust
	uses: hecrj/setup-rust-action@v1
	with:
	components: clippy
	- uses: actions/checkout@v2
	- run: cargo clippy --all-targets --all-features -- -D clippy::all

	compile:
	runs-on: ubuntu-latest
	steps:
	- name: Set up Rust
	uses: hecrj/setup-rust-action@v1
	- uses: actions/checkout@v2
	- run: cargo check --all

	test:
	needs: [codestyle, lint, compile]
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macOS-latest]
	rust: [stable, 1.48.0]
	exclude:
	- os: macOS-latest
	rust: 1.48.0
	runs-on: ${{ matrix.os }}

	steps:
	- name: Setup Rust
	uses: hecrj/setup-rust-action@v1
	with:
	rust-version: ${{ matrix.rust }}
	- name: Checkout
	uses: actions/checkout@v2
	- name: Test
	run: cargo test

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