feat(sudt): add explorer service

packages/samples/sudt/src/services/explorer.service.ts

@@ -0,0 +1,32 @@
+export class ExplorerService {
+  constructor(private host = '') {}
+
+  updateSUDT = async (params: {
+    typeHash: string
+    symbol: string
+    fullName: string
+    decimal: string
+    totalAmount: string
+    description: string
+    operatorWebsite: string
+    iconFile: string
+    uan: string
+    displayName: string
+    email: string
+    token?: string
+  }) => {
+    const res = await fetch(`${this.host}/api/v1/udts/${params.typeHash}`, { method: 'POST', body: JSON.stringify({}) })
+    if (!res.ok) {
+      throw new Error('Internal Service Error')
+    }
+
+    switch (Math.ceil(res.status / 100)) {
+      case 2:
+        return true
+      case 3:
+        throw new Error('Redirect')
+      case 4:
+        throw new Error('Client Error')
+    }
+  }
+}