prompt for name when showing info, and provide a "copy" page when remote

src/libs/endorserServer.ts

@@ -1,13 +1,16 @@
 import { Axios, AxiosRequestConfig, AxiosResponse } from "axios";
+import { Buffer } from "buffer";
+import { sha256 } from "ethereum-cryptography/sha256";
 import { LRUCache } from "lru-cache";
 import * as R from "ramda";
 
 import { DEFAULT_IMAGE_API_SERVER } from "@/constants/app";
 import { Contact } from "@/db/tables/contacts";
-import { accessToken } from "@/libs/crypto";
+import { accessToken, deriveAddress, nextDerivationPath } from "@/libs/crypto";
 import { NonsensitiveDexie } from "@/db/index";
 import { getAccount, getPasskeyExpirationSeconds } from "@/libs/util";
 import { createEndorserJwtForKey, KeyMeta } from "@/libs/crypto/vc";
+import { Account } from "@/db/tables/accounts";
 
 export const SCHEMA_ORG_CONTEXT = "https://schema.org";
 // the object in RegisterAction claims
@@ -925,6 +928,53 @@ export async function createAndSubmitClaim(
   }
 }
 
+export async function generateEndorserJwtForAccount(
+  account: Account,
+  isRegistered?: boolean,
+  name?: string,
+  profileImageUrl?: string,
+) {
+  const publicKeyHex = account.publicKeyHex;
+  const publicEncKey = Buffer.from(publicKeyHex, "hex").toString("base64");
+
+  interface UserInfo {
+    name: string;
+    publicEncKey: string;
+    registered: boolean;
+    profileImageUrl?: string;
+    nextPublicEncKeyHash?: string;
+  }
+  const contactInfo = {
+    iat: Date.now(),
+    iss: account.did,
+    own: {
+      name: name ?? "",
+      publicEncKey,
+      registered: !!isRegistered,
+    } as UserInfo,
+  };
+  if (profileImageUrl) {
+    contactInfo.own.profileImageUrl = profileImageUrl;
+  }
+
+  if (account?.mnemonic && account?.derivationPath) {
+    const newDerivPath = nextDerivationPath(account.derivationPath as string);
+    const nextPublicHex = deriveAddress(
+      account.mnemonic as string,
+      newDerivPath,
+    )[2];
+    const nextPublicEncKey = Buffer.from(nextPublicHex, "hex");
+    const nextPublicEncKeyHash = sha256(nextPublicEncKey);
+    const nextPublicEncKeyHashBase64 =
+      Buffer.from(nextPublicEncKeyHash).toString("base64");
+    contactInfo.own.nextPublicEncKeyHash = nextPublicEncKeyHashBase64;
+  }
+  const vcJwt = await createEndorserJwtForDid(account.did, contactInfo);
+
+  const viewPrefix = CONTACT_URL_PREFIX + ENDORSER_JWT_URL_LOCATION;
+  return viewPrefix + vcJwt;
+}
+
 export async function createEndorserJwtForDid(
   issuerDid: string,
   payload: object,