init

dmtp/client/lib/minipay.ts

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+declare global {
+  interface Window {
+    ethereum?: any;
+  }
+}
+
+export interface MiniPayProvider {
+  isMiniPay: boolean;
+  isMetaMask?: boolean;
+}
+
+/**
+ * Check if running inside MiniPay app
+ */
+export function isMiniPay(): boolean {
+  if (typeof window === 'undefined') return false;
+  return Boolean(window.ethereum?.isMiniPay);
+}
+
+/**
+ * Check if MetaMask is available
+ */
+export function isMetaMask(): boolean {
+  if (typeof window === 'undefined') return false;
+  return Boolean(window.ethereum?.isMetaMask && !window.ethereum?.isMiniPay);
+}
+
+/**
+ * Get wallet provider name
+ */
+export function getWalletProvider(): string {
+  if (isMiniPay()) return 'MiniPay';
+  if (isMetaMask()) return 'MetaMask';
+  return 'Unknown';
+}
+
+/**
+ * Check if any wallet is available
+ */
+export function isWalletAvailable(): boolean {
+  if (typeof window === 'undefined') return false;
+  return Boolean(window.ethereum);
+}
+
+/**
+ * Get wallet installation URL
+ */
+export function getWalletInstallUrl(): string {
+  // Check if mobile
+  const isMobile = /iPhone|iPad|iPod|Android/i.test(navigator.userAgent);
+  
+  if (isMobile) {
+    return 'https://minipay.opera.com/';
+  }
+  
+  return 'https://metamask.io/download/';
+}