chore: remove unused signing and auth token functions from crypto utils #67

	name: CI

	on:
	pull_request:
	branches: [main]
	push:
	branches: [main]

	jobs:
	lint-and-typecheck:
	name: Lint & Typecheck
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-node@v4
	with:
	node-version: 20
	cache: npm
	- run: npm ci
	- run: npm run lint
	- run: npm run typecheck

	test:
	name: Test
	runs-on: ubuntu-latest
	needs: lint-and-typecheck
	services:
	postgres:
	image: postgres:16
	env:
	POSTGRES_USER: chainlearn_test
	POSTGRES_PASSWORD: test_password
	POSTGRES_DB: chainlearn_test
	ports: ["5432:5432"]
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	redis:
	image: redis:7-alpine
	ports: ["6379:6379"]
	env:
	DATABASE_URL: postgresql://chainlearn_test:test_password@localhost:5432/chainlearn_test
	REDIS_URL: redis://localhost:6379
	JWT_SECRET: test-secret-key-that-is-at-least-64-characters-long-for-testing-purposes-only
	STELLAR_NETWORK: testnet
	STELLAR_HORIZON_URL: https://horizon-testnet.stellar.org
	STELLAR_SOROBAN_RPC_URL: https://soroban-testnet.stellar.org
	STELLAR_PLATFORM_SECRET: SCZANGBA5YHTNYVVVXKJQQXRG5UJUG7D3DV6VVON3JXKXJ3FPHN3A5J3
	STELLAR_QUIZ_CONTRACT_ID: CB6Q2YKQQHH7GV7CU5RZDYM5S5OE2GABYLG5IY6YO5XLBAALBQKXYB53
	STELLAR_REWARD_CONTRACT_ID: CBAKHFY4SIBRIVYH2Y2QDUIUZPGYGS4B26YBHC6RLV5QZ7OHH5FOF55T
	STELLAR_CREDENTIAL_CONTRACT_ID: CD4ZJWLPGYLCYR7G5DZQ4EJWVMMF5VXU5Z2ECRSKGWV6GBV5S3F52K7
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-node@v4
	with:
	node-version: 20
	cache: npm
	- run: npm ci
	- run: npm run db:generate
	- run: npm run db:migrate
	- run: npm test

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