Initial commit: add .gitignore and README
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defiQUG
156
scripts/check-env.ts
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156
scripts/check-env.ts
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#!/usr/bin/env tsx
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/**
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* Environment Variable Checker
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*
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* This script checks that all required environment variables are set
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* and validates RPC URLs are accessible.
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*
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* Usage:
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* tsx scripts/check-env.ts
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*/
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// Load environment variables FIRST
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import dotenv from 'dotenv';
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dotenv.config();
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import { createPublicClient, http } from 'viem';
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import { mainnet, base, arbitrum, optimism, polygon } from 'viem/chains';
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import chalk from 'chalk';
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interface EnvCheck {
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name: string;
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value: string | undefined;
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required: boolean;
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valid: boolean;
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error?: string;
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}
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async function checkRpcUrl(name: string, url: string | undefined, chain: any): Promise<EnvCheck> {
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const check: EnvCheck = {
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name,
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value: url ? (url.length > 50 ? `${url.substring(0, 30)}...${url.substring(url.length - 10)}` : url) : undefined,
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required: false,
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valid: false,
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};
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if (!url) {
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check.error = 'Not set (using default or will fail)';
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return check;
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}
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if (url.includes('YOUR_KEY') || url.includes('YOUR_INFURA_KEY')) {
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check.error = 'Contains placeholder - please set a real RPC URL';
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return check;
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}
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try {
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const client = createPublicClient({
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chain,
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transport: http(url, { timeout: 5000 }),
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});
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const blockNumber = await client.getBlockNumber();
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check.valid = true;
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check.error = `✓ Connected (block: ${blockNumber})`;
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} catch (error: any) {
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check.error = `Connection failed: ${error.message}`;
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}
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return check;
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}
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async function main() {
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console.log(chalk.blue('='.repeat(60)));
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console.log(chalk.blue('Environment Variable Checker'));
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console.log(chalk.blue('='.repeat(60)));
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console.log('');
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const checks: EnvCheck[] = [];
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// Check RPC URLs
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console.log(chalk.yellow('Checking RPC URLs...'));
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console.log('');
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checks.push(await checkRpcUrl('MAINNET_RPC_URL', process.env.MAINNET_RPC_URL, mainnet));
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checks.push(await checkRpcUrl('BASE_RPC_URL', process.env.BASE_RPC_URL, base));
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checks.push(await checkRpcUrl('ARBITRUM_RPC_URL', process.env.ARBITRUM_RPC_URL, arbitrum));
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checks.push(await checkRpcUrl('OPTIMISM_RPC_URL', process.env.OPTIMISM_RPC_URL, optimism));
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checks.push(await checkRpcUrl('POLYGON_RPC_URL', process.env.POLYGON_RPC_URL, polygon));
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// Check other variables
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console.log(chalk.yellow('Checking other environment variables...'));
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console.log('');
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const privateKey = process.env.PRIVATE_KEY;
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checks.push({
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name: 'PRIVATE_KEY',
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value: privateKey ? '***' + privateKey.slice(-4) : undefined,
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required: false,
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valid: !!privateKey,
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error: privateKey ? '✓ Set (not shown for security)' : 'Not set (optional, only needed for mainnet transactions)',
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});
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// Print results
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console.log(chalk.blue('='.repeat(60)));
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console.log(chalk.blue('Results'));
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console.log(chalk.blue('='.repeat(60)));
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console.log('');
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let hasErrors = false;
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let hasWarnings = false;
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for (const check of checks) {
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const status = check.valid ? chalk.green('✓') : (check.required ? chalk.red('✗') : chalk.yellow('⚠'));
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const name = chalk.bold(check.name);
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const value = check.value ? chalk.gray(`(${check.value})`) : '';
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const error = check.error ? ` - ${check.error}` : '';
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console.log(`${status} ${name} ${value}${error}`);
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if (!check.valid) {
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if (check.required) {
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hasErrors = true;
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} else {
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hasWarnings = true;
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}
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}
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// Check for placeholder values
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if (check.value && (check.value.includes('YOUR_KEY') || check.value.includes('YOUR_INFURA_KEY'))) {
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hasWarnings = true;
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console.log(chalk.yellow(` ⚠ Contains placeholder - please set a real value`));
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}
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}
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console.log('');
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console.log(chalk.blue('='.repeat(60)));
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if (hasErrors) {
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console.log(chalk.red('✗ Some required checks failed'));
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console.log('');
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console.log('Please:');
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console.log(' 1. Copy .env.example to .env');
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console.log(' 2. Fill in your RPC URLs');
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console.log(' 3. Run this script again to verify');
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process.exit(1);
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} else if (hasWarnings) {
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console.log(chalk.yellow('⚠ Some checks have warnings'));
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console.log('');
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console.log('Recommendations:');
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console.log(' - Set RPC URLs in .env file for better performance');
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console.log(' - Replace placeholder values with real RPC URLs');
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console.log(' - Check RPC provider settings if connections fail');
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console.log('');
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console.log('You can still run tests, but they may fail if RPC URLs are not properly configured.');
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} else {
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console.log(chalk.green('✓ All checks passed!'));
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console.log('');
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console.log('You can now run:');
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console.log(' - pnpm run strat run scenarios/aave/leveraged-long.yml');
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console.log(' - pnpm run strat:test');
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}
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}
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main().catch(console.error);
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