Enums

enum PaymentMode {
  POOL        = 'POOL',         // Custodial — pay from company pool wallet
  SESSION_KEY = 'SESSION_KEY',  // Non-custodial — pay from user's wallet via session key
}

enum PaymentStatus {
  PENDING    = 'pending',     // Created, not yet submitted to chain
  PROCESSING = 'processing',  // Submitted, awaiting confirmation
  CONFIRMED  = 'confirmed',   // Confirmed on-chain
  FAILED     = 'failed',      // Transaction failed or rejected
}

import { PaymentStatus } from '@taprails/tap-to-pay';

if (result.status === PaymentStatus.CONFIRMED) {
  showSuccessScreen();
} else if (result.status === PaymentStatus.FAILED) {
  showErrorScreen();
}

type FlowType = 'merchant' | 'customer';

type MerchantFlowState =
  | 'idle'
  | 'creating'
  | 'waiting'
  | 'processing'
  | 'success'
  | 'error';

type CustomerFlowState =
  | 'idle'
  | 'scanning'
  | 'confirming'
  | 'processing'
  | 'success'
  | 'error';

type FlowState = MerchantFlowState | CustomerFlowState;

enum MerchantStatus {
  ACTIVE       // Normal operations — payments accepted
  PAUSED       // Self-service pause by the partner company
  FROZEN       // Platform-imposed hold (admin only)
  BLACKLISTED  // Permanent ban for fraud / non-compliance (admin only)
  SUSPENDED    // Temporary administrative hold (admin only)
}