Add an index over `node_announcements(seen, public_key)` #335

	name: Cross-platform build verification
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- "*"

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build:
	strategy:
	fail-fast: false
	matrix:
	toolchain:
	- stable
	- 1.63.0
	- beta
	runs-on: ubuntu-latest
	steps:
	- name: Checkout source code
	uses: actions/checkout@v3
	- name: Install Rust ${{ matrix.toolchain }} toolchain
	uses: actions-rs/toolchain@v1
	with:
	toolchain: ${{ matrix.toolchain }}
	override: true
	profile: minimal
	- name: Pin dependencies
	if: ${{ matrix.toolchain == '1.63.0' }}
	run: \|
	cargo update -p tokio --precise "1.37.0" --verbose
	cargo update -p tokio-macros --precise "2.2.0" --verbose
	cargo update -p postgres-types --precise "0.2.6" --verbose
	- name: Build on Rust ${{ matrix.toolchain }}
	run: \|
	cargo build --verbose --color always
	test:
	runs-on: ubuntu-latest
	services:
	postgres:
	image: postgres
	env:
	POSTGRES_PASSWORD: postgres
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 5432:5432
	steps:
	- name: Checkout source code
	uses: actions/checkout@v3
	- name: Install Rust ${{ matrix.toolchain }} toolchain
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	override: true
	profile: minimal
	- name: Run tests
	run: \|
	cargo test --verbose --color always -- --show-output
	env:
	RAPID_GOSSIP_TEST_DB_HOST: localhost
	RAPID_GOSSIP_TEST_DB_NAME: postgres
	RAPID_GOSSIP_TEST_DB_USER: postgres
	RAPID_GOSSIP_TEST_DB_PASSWORD: postgres
	RAPID_GOSSIP_SYNC_SERVER_LOG_LEVEL: gossip

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