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feat: configurable fee rates via VITE_CASH_IN_FEE and VITE_CASH_OUT_FEE

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Accepts percentage (5.55) or decimal (0.0555) — auto-detected by
whether the value is >= 1. Defaults to 3.33% cash-in, 7.77% cash-out.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Patrick Mulligan 2026-04-05 14:03:32 -04:00
commit 2a2faf41ef
4 changed files with 31 additions and 3 deletions
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10
apps/machine/electron/main.ts
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@ -30,6 +30,12 @@ import { initializeHal, type HalInstance } from './hal-service.js'
const __filename = fileURLToPath(import.meta.url)
const __dirname = path.dirname(__filename)
/** Parse fee value: accepts percentage (5.55 → 0.0555) or decimal (0.0555 → 0.0555) */
function parseFee(val: string): number {
const n = parseFloat(val)
return n >= 1 ? n / 100 : n
}
// Load .env file manually (Electron main process doesn't have Vite's env loading)
function loadEnvFile() {
const envPath = path.join(__dirname, '..', '.env')
@ -190,6 +196,10 @@ ipcMain.handle('get-config', () => {
// Maintenance mode — show "out of service" screen
maintenanceMode: process.env.VITE_MAINTENANCE_MODE === 'true',
// Fee rates — accepts percentage (5.55) or decimal (0.0555), auto-detected
cashInFeeRate: parseFee(process.env.VITE_CASH_IN_FEE || '0.0333'),
cashOutFeeRate: parseFee(process.env.VITE_CASH_OUT_FEE || '0.0777'),
}
})