pact-audit-free/dist/scanner.js

Free smart contract security scanner using Slither static analysis

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.scanContract = scanContract;
const chalk_1 = __importDefault(require("chalk"));
const fs_1 = require("fs");
const path_1 = require("path");
const slither_1 = require("./utils/slither");
const formatter_1 = require("./utils/formatter");
async function scanContract(target, options) {
    try {
        // Display banner
        (0, formatter_1.printBanner)();
        console.log('');
        // Resolve target path
        const targetPath = (0, path_1.resolve)(target);
        console.log(chalk_1.default.blue(`🎯 Target: ${targetPath}`));
        // Validate target path
        console.log(chalk_1.default.blue('📋 Validating target path...'));
        const validation = (0, slither_1.validatePath)(targetPath);
        if (!validation.valid) {
            console.error(chalk_1.default.red(`❌ Error: ${validation.error}`));
            process.exit(1);
        }
        console.log(chalk_1.default.green('✅ Path validation passed'));
        // Check Slither installation
        console.log(chalk_1.default.blue('🔧 Checking Slither installation...'));
        const isSlitherInstalled = await (0, slither_1.checkSlitherInstallation)();
        if (!isSlitherInstalled) {
            console.error(chalk_1.default.red('❌ Slither not found.'));
            console.log('');
            console.log(chalk_1.default.yellow('To install Slither:'));
            console.log(chalk_1.default.cyan('  pip install slither-analyzer'));
            console.log('');
            console.log(chalk_1.default.yellow('Or using pip3:'));
            console.log(chalk_1.default.cyan('  pip3 install slither-analyzer'));
            console.log('');
            console.log(chalk_1.default.yellow('For more installation options, visit:'));
            console.log(chalk_1.default.cyan('  https://github.com/crytic/slither#installation'));
            process.exit(1);
        }
        console.log(chalk_1.default.green('✅ Slither is installed and ready'));
        // Run the scan
        console.log('');
        console.log(chalk_1.default.blue('🔍 Running Slither security analysis...'));
        const result = await (0, slither_1.runSlitherScan)(targetPath);
        if (!result.success) {
            console.error(chalk_1.default.red(`❌ Scan failed: ${result.error}`));
            if (result.rawOutput) {
                console.log('');
                console.log(chalk_1.default.gray('Raw Slither output:'));
                console.log(result.rawOutput);
            }
            process.exit(1);
        }
        console.log(chalk_1.default.green('✅ Scan completed'));
        // Output results
        if (options.json) {
            // JSON output to stdout
            console.log(JSON.stringify(result.vulnerabilities, null, 2));
        }
        else {
            // Formatted terminal output
            (0, formatter_1.formatResults)(result.vulnerabilities);
        }
        // Save to file if requested
        if (options.output) {
            try {
                const outputData = {
                    timestamp: new Date().toISOString(),
                    target: targetPath,
                    vulnerabilities: result.vulnerabilities,
                    summary: {
                        total: result.vulnerabilities.length,
                        high: result.vulnerabilities.filter(v => v.severity === 'HIGH').length,
                        medium: result.vulnerabilities.filter(v => v.severity === 'MEDIUM').length,
                        low: result.vulnerabilities.filter(v => v.severity === 'LOW').length,
                        informational: result.vulnerabilities.filter(v => v.severity === 'INFORMATIONAL').length,
                    }
                };
                (0, fs_1.writeFileSync)(options.output, JSON.stringify(outputData, null, 2));
                console.log('');
                console.log(chalk_1.default.green(`📄 Results saved to: ${options.output}`));
            }
            catch (error) {
                console.warn(chalk_1.default.yellow(`⚠️  Warning: Failed to save results to file: ${error}`));
            }
        }
        // Add upgrade promotion (non-intrusive)
        if (!options.json) {
            console.log('');
            console.log(chalk_1.default.gray('━'.repeat(50)));
            console.log(chalk_1.default.blue('🚀 Need advanced features?'));
            console.log(chalk_1.default.cyan('  • AI-powered vulnerability analysis'));
            console.log(chalk_1.default.cyan('  • Gas optimization recommendations'));
            console.log(chalk_1.default.cyan('  • Detailed remediation guides'));
            console.log(chalk_1.default.gray('  Learn more: https://pactprotocol.io/audit'));
        }
        // Exit with appropriate code based on severity
        const hasHigh = result.vulnerabilities.some(v => v.severity === 'HIGH');
        const hasMedium = result.vulnerabilities.some(v => v.severity === 'MEDIUM');
        if (hasHigh) {
            process.exit(2); // Exit code 2 for high severity issues
        }
        else if (hasMedium) {
            process.exit(1); // Exit code 1 for medium severity issues
        }
        else {
            process.exit(0); // Exit code 0 for success
        }
    }
    catch (error) {
        console.error(chalk_1.default.red(`❌ Unexpected error: ${error}`));
        process.exit(1);
    }
}
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