(envVar: string)
| 49 | } |
| 50 | |
| 51 | function parseList(envVar: string): Set<string> { |
| 52 | const raw = process.env[envVar] || ''; |
| 53 | return new Set(raw.split(',').map(s => s.trim().toLowerCase()).filter(Boolean)); |
| 54 | } |
| 55 | |
| 56 | // mock backend class - no blockchain interaction |
| 57 | class MockBackend { |