Add imported tokens api

frontend/src/lib/api/canisters.api.ts

@@ -11,6 +11,8 @@ import {
 } from "$lib/canisters/nns-dapp/nns-dapp.errors";
 import type {
   CanisterDetails as CanisterInfo,
+  ImportedToken,
+  ImportedTokens,
   SubAccountArray,
 } from "$lib/canisters/nns-dapp/nns-dapp.types";
 import {
@@ -376,3 +378,33 @@ const canisters = async (
 
   return { cmc, icMgt, nnsDapp };
 };
+
+export const getImportedTokens = async ({
+  identity,
+}: {
+  identity: Identity;
+}): Promise<ImportedTokens> => {
+  logWithTimestamp("Getting imported tokens call...");
+  const { nnsDapp } = await canisters(identity);
+
+  const importedTokens = await nnsDapp.getImportedTokens();
+
+  logWithTimestamp("Getting imported tokens call complete.");
+
+  return importedTokens;
+};
+
+export const setImportedTokens = async ({
+  identity,
+  importedTokens,
+}: {
+  identity: Identity;
+  importedTokens: Array<ImportedToken>;
+}): Promise<void> => {
+  logWithTimestamp("Setting imported tokens call...");
+  const { nnsDapp } = await canisters(identity);
+
+  await nnsDapp.setImportedTokens(importedTokens);
+
+  logWithTimestamp("Setting imported tokens call complete.");
+};

frontend/src/lib/canisters/nns-dapp/nns-dapp.canister.ts

@@ -25,7 +25,7 @@ import type {
   AccountDetails,
   CanisterDetails,
   CreateSubAccountResponse,
-  GetAccountResponse,
+  GetAccountResponse, ImportedToken, ImportedTokens,
   RegisterHardwareWalletRequest,
   RegisterHardwareWalletResponse,
   RenameSubAccountRequest,
@@ -325,4 +325,30 @@ export class NNSDappCanister {
       errorText ?? (nonNullish(response) ? JSON.stringify(response) : undefined)
     );
   }
+
+  public getImportedTokens = async (): Promise<ImportedTokens> => {
+    const response = await this.certifiedService.get_imported_tokens();
+    if ("Ok" in response) {
+      return response.Ok;
+    }
+    if ("AccountNotFound" in response) {
+      throw new AccountNotFoundError("error__account.not_found");
+    }
+    // Edge case
+    throw new Error(`Error getting imported tokens ${JSON.stringify(response)}`);
+  };
+
+  public setImportedTokens = async (importedTokens: Array<ImportedToken>): Promise<void> => {
+    const response = await this.certifiedService.set_imported_tokens(
+      { 'imported_tokens' : importedTokens }
+    );
+    if ("Ok" in response) {
+      return;
+    }
+    if ("AccountNotFound" in response) {
+      throw new AccountNotFoundError("error__account.not_found");
+    }
+    // Edge case
+    throw new Error(`Error setting imported tokens ${JSON.stringify(response)}`);
+  };
 }