694bb38 Add caching — radicle-explorer

modified package-lock.json

@@ -29,6 +29,7 @@

         "ethers": "^5.5.0",
         "eventemitter3": "4.0.7",
         "events": "^3.3.0",
         "lru-cache": "^7.13.2",
         "marked": "^4.0.12",
         "md5": "^2.3.0",
         "multibase": "^4.0.4",

@@ -3723,6 +3724,18 @@

         }
       }
     },
     "node_modules/@typescript-eslint/eslint-plugin/node_modules/lru-cache": {
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       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
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       "dev": true,
       "dependencies": {
         "yallist": "^4.0.0"
       },
       "engines": {
         "node": ">=10"
       }
     },
     "node_modules/@typescript-eslint/eslint-plugin/node_modules/semver": {
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       "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.7.tgz",

@@ -3868,6 +3881,18 @@

         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
     "node_modules/@typescript-eslint/typescript-estree/node_modules/lru-cache": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
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       "dev": true,
       "dependencies": {
         "yallist": "^4.0.0"
       },
       "engines": {
         "node": ">=10"
       }
     },
     "node_modules/@typescript-eslint/typescript-estree/node_modules/semver": {
       "version": "7.3.7",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.7.tgz",

@@ -5585,6 +5610,18 @@

         "ieee754": "^1.1.13"
       }
     },
     "node_modules/cypress/node_modules/lru-cache": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
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       "dev": true,
       "dependencies": {
         "yallist": "^4.0.0"
       },
       "engines": {
         "node": ">=10"
       }
     },
     "node_modules/cypress/node_modules/semver": {
       "version": "7.3.5",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.5.tgz",

@@ -6617,6 +6654,18 @@

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       "dev": true
     },
     "node_modules/eslint/node_modules/lru-cache": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
       "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
       "dev": true,
       "dependencies": {
         "yallist": "^4.0.0"
       },
       "engines": {
         "node": ">=10"
       }
     },
     "node_modules/eslint/node_modules/semver": {
       "version": "7.3.5",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.5.tgz",

@@ -8841,15 +8890,11 @@

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     },
     "node_modules/lru-cache": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
       "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
       "dev": true,
       "dependencies": {
         "yallist": "^4.0.0"
       },
       "version": "7.13.2",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-7.13.2.tgz",
       "integrity": "sha512-VJL3nIpA79TodY/ctmZEfhASgqekbT574/c4j3jn4bKXbSCnTTCH/KltZyvL2GlV+tGSMtsWyem8DCX7qKTMBA==",
       "engines": {
         "node": ">=10"
         "node": ">=12"
       }
     },
     "node_modules/lz-string": {

@@ -14733,6 +14778,15 @@

         "tsutils": "^3.21.0"
       },
       "dependencies": {
         "lru-cache": {
           "version": "6.0.0",
           "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
           "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
           "dev": true,
           "requires": {
             "yallist": "^4.0.0"
           }
         },
         "semver": {
           "version": "7.3.7",
           "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.7.tgz",

@@ -14812,6 +14866,15 @@

             "slash": "^3.0.0"
           }
         },
         "lru-cache": {
           "version": "6.0.0",
           "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
           "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
           "dev": true,
           "requires": {
             "yallist": "^4.0.0"
           }
         },
         "semver": {
           "version": "7.3.7",
           "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.7.tgz",

@@ -16190,6 +16253,15 @@

             "ieee754": "^1.1.13"
           }
         },
         "lru-cache": {
           "version": "6.0.0",
           "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
           "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
           "dev": true,
           "requires": {
             "yallist": "^4.0.0"
           }
         },
         "semver": {
           "version": "7.3.5",
           "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.5.tgz",

@@ -16853,6 +16925,15 @@

           "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
           "dev": true
         },
         "lru-cache": {
           "version": "6.0.0",
           "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
           "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
           "dev": true,
           "requires": {
             "yallist": "^4.0.0"
           }
         },
         "semver": {
           "version": "7.3.5",
           "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.5.tgz",

@@ -18505,13 +18586,9 @@

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     },
     "lru-cache": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
       "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
       "dev": true,
       "requires": {
         "yallist": "^4.0.0"
       }
       "version": "7.13.2",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-7.13.2.tgz",
       "integrity": "sha512-VJL3nIpA79TodY/ctmZEfhASgqekbT574/c4j3jn4bKXbSCnTTCH/KltZyvL2GlV+tGSMtsWyem8DCX7qKTMBA=="
     },
     "lz-string": {
       "version": "1.4.4",

modified package.json

@@ -61,6 +61,7 @@

     "ethers": "^5.5.0",
     "eventemitter3": "4.0.7",
     "events": "^3.3.0",
     "lru-cache": "^7.13.2",
     "marked": "^4.0.12",
     "md5": "^2.3.0",
     "multibase": "^4.0.4",

modified src/Profile.svelte

@@ -8,7 +8,7 @@

   import SeedAddress from '@app/SeedAddress.svelte';
   import TransferOwnership from '@app/base/orgs/TransferOwnership.svelte';
   import Link from '@app/Link.svelte';
   import { Profile, ProfileType } from '@app/profile';
   import { getBalance, Profile, ProfileType } from '@app/profile';
   import Loading from '@app/Loading.svelte';
   import * as utils from '@app/utils';
   import { session } from '@app/session';

@@ -46,7 +46,7 @@

     if (addressType === utils.AddressType.Safe) {
       try {
         const tokens = await utils.getTokens(org.owner, config);
         const balance = await config.provider.getBalance(org.owner);
         const balance = await getBalance(org.owner, config);
         if (! balance.isZero()) {
           // To maintain the format we hardcode the ETH specs.

modified src/base/orgs/Org.ts

@@ -5,6 +5,9 @@ import { OperationType } from "@gnosis.pm/safe-core-sdk-types";

 import { assert } from '@app/error';
 import * as utils from '@app/utils';
 import * as cache from "@app/cache";
 import type { SafeMultisigTransactionListResponse } from '@gnosis.pm/safe-service-client';
 import type SafeServiceClient from '@gnosis.pm/safe-service-client';
 import type { Safe } from '@app/utils';
 import type { Config } from '@app/config';
 import type { PendingAnchor, Anchor } from '@app/project';

@@ -186,7 +189,9 @@ export class Org {

   async getProjects(config: Config): Promise<Anchor[]> {
     const result = await utils.querySubgraph(
       config.orgs.subgraph, GetProjects, { org: this.address }
       config.orgs.subgraph,
       GetProjects,
       { org: this.address }
     );
     const projects: Anchor[] = [];

@@ -214,8 +219,8 @@ export class Org {

     try {
       const orgAddr = ethers.utils.getAddress(this.address);
       const response = await config.safe.client.getPendingTransactions(
         ethers.utils.getAddress(this.owner)
       const response = await getPendingProjects(
         ethers.utils.getAddress(this.owner), config.safe.client
       );
       const projects: PendingAnchor[] = [];

@@ -298,17 +303,10 @@ export class Org {

     addressOrName: string,
     config: Config,
   ): Promise<Org | null> {
     const org = new ethers.Contract(
       addressOrName,
       config.abi.org,
       config.provider
     );
     const org = await getOrgContract(addressOrName, config);
     try {
       const [owner, resolved] = await Promise.all([
         org.owner(),
         org.resolvedAddress,
       ]);
       const [owner, resolved] = await resolveOrgOwner(org);
       const safe = await utils.getSafe(owner, config);
       // If what is resolved is not the same as the input, it's because we

@@ -391,3 +389,38 @@ export function parseAnchorTx(data: string, config: Config): { id: string; state

   }
   return null;
 }
 export const getOrgContract = cache.cached(
   async (addressOrName: string, config: Config) => {
     return new ethers.Contract(
       addressOrName,
       config.abi.org,
       config.provider
     );
   },
   (addressOrName) => addressOrName
 );
 export const resolveOrgOwner = cache.cached(
   async (org: ethers.Contract) => {
     return await Promise.all([
       org.owner(),
       org.resolvedAddress,
     ]);
   },
   (org) => org.address,
 );
 export const getPendingProjects = cache.cached(
   async (owner: string, client: SafeServiceClient): Promise<SafeMultisigTransactionListResponse> => {
     try {
       return await client.getPendingTransactions(
         ethers.utils.getAddress(owner)
       );
     } catch (e) {
       return { count: 0, results: [] };
     }
   },
   (owner) => owner,
   { max: 1000, ttl: 5 * 60 * 1000 } // Cache results for 5 minutes.
 );

modified src/base/registrations/registrar.ts

@@ -9,6 +9,7 @@ import type { Config } from '@app/config';

 import { unixTime } from '@app/utils';
 import { assert } from '@app/error';
 import { Seed, InvalidSeed } from '@app/base/seeds/Seed';
 import * as cache from '@app/cache';
 export interface Registration {
   profile: EnsProfile;

@@ -63,7 +64,7 @@ export async function getRegistration(name: string, config: Config, resolver?: E

   name = name.toLowerCase();
   if (! resolver) {
     resolver = await config.provider.getResolver(name);
     resolver = await getResolver(name, config);
     if (! resolver) {
       return null;

@@ -71,17 +72,17 @@ export async function getRegistration(name: string, config: Config, resolver?: E

   }
   const meta = await Promise.allSettled([
     resolver.getAddress(),
     resolver.getText('avatar'),
     resolver.getText('url'),
     resolver.getText('eth.radicle.id'),
     resolver.getText('eth.radicle.seed.id'),
     resolver.getText('eth.radicle.seed.host'),
     resolver.getText('eth.radicle.seed.git'),
     resolver.getText('eth.radicle.seed.api'),
     resolver.getText('eth.radicle.anchors'),
     resolver.getText('com.twitter'),
     resolver.getText('com.github'),
     getAddress(resolver),
     getText(resolver, 'avatar'),
     getText(resolver, 'url'),
     getText(resolver, 'eth.radicle.id'),
     getText(resolver, 'eth.radicle.seed.id'),
     getText(resolver, 'eth.radicle.seed.host'),
     getText(resolver, 'eth.radicle.seed.git'),
     getText(resolver, 'eth.radicle.seed.api'),
     getText(resolver, 'eth.radicle.anchors'),
     getText(resolver, 'com.twitter'),
     getText(resolver, 'com.github'),
   ]);
   const [address, avatar, url, id, seedId, seedHost, seedGit, seedApi, anchorsAccount, twitter, github] =

@@ -116,36 +117,36 @@ export async function getRegistration(name: string, config: Config, resolver?: E

 export async function getAvatar(name: string, config: Config, resolver?: EnsResolver | null): Promise<string | null> {
   name = name.toLowerCase();
   resolver = resolver ?? await config.provider.getResolver(name);
   resolver = resolver ?? await getResolver(name, config);
   if (! resolver) {
     return null;
   }
   return resolver.getText('avatar');
   return getText(resolver, 'avatar');
 }
 export async function getAnchorsAccount(name: string, config: Config, resolver?: EnsResolver | null): Promise<string | null> {
   name = name.toLowerCase();
   resolver = resolver ?? await config.provider.getResolver(name);
   resolver = resolver ?? await getResolver(name, config);
   if (! resolver) {
     return null;
   }
   return resolver.getText('eth.radicle.anchors');
   return getText(resolver, 'eth.radicle.anchors');
 }
 export async function getSeed(name: string, config: Config, resolver?: EnsResolver | null): Promise<Seed | InvalidSeed | null> {
   name = name.toLowerCase();
   resolver = resolver ?? await config.provider.getResolver(name);
   resolver = resolver ?? await getResolver(name, config);
   if (! resolver) {
     return null;
   }
   const [id, host, git, api] = await Promise.all([
     resolver.getText('eth.radicle.seed.id'),
     resolver.getText('eth.radicle.seed.host'),
     resolver.getText('eth.radicle.seed.git'),
     resolver.getText('eth.radicle.seed.api'),
     getText(resolver, 'eth.radicle.seed.id'),
     getText(resolver, 'eth.radicle.seed.host'),
     getText(resolver, 'eth.radicle.seed.git'),
     getText(resolver, 'eth.radicle.seed.api'),
   ]);
   if (! host || ! id) {

@@ -344,3 +345,27 @@ export async function getOwner(name: string, config: Config): Promise<string> {

   return owner;
 }
 export const getResolver = cache.cached(
   async (name: string, config: Config) => {
     return await config.provider.getResolver(name);
   },
   (name) => name,
   { max: 1000 }
 );
 export const getText = cache.cached(
   async (resolver: EnsResolver, key: string) => {
     return await resolver.getText(key);
   },
   (resolver, key) => `${resolver.name} ${key}`,
   { max: 1000 }
 );
 export const getAddress = cache.cached(
   async (resolver: EnsResolver) => {
     return await resolver.getAddress();
   },
   (resolver) => resolver.name,
   { max: 1000 }
 );

added src/base/resolver/List.svelte

@@ -0,0 +1,45 @@

 <script lang="ts">
   import Modal from '@app/Modal.svelte';
   import Address from "@app/Address.svelte";
   import type { Config } from '@app/config';
   import { Profile } from '@app/profile';
   import Loading from '@app/Loading.svelte';
   export let config: Config;
   const { query } = window.history.state;
   const back = () => window.history.back();
 </script>
 <style>
   .list {
     display: flex;
     flex-direction: column;
     align-items: center;
   }
 </style>
   <Modal subtle>
     <span slot="title">️🔍</span>
     <span slot="subtitle">
       <p class="highlight text-medium"><strong>Multiple names found for {query}</strong></p>
     </span>
     <span slot="body">
       <div class="list">
         {#await Profile.getMulti([`${query}.${config.registrar.domain}`, `${query}.eth`], config)}
           <Loading center />
         {:then profiles}
           {#each profiles as profile}
             {#if profile}
               <Address address={profile.address} profile={profile} {config} resolve />
             {/if}
           {/each}
         {/await}
       </div>
     </span>
     <span slot="actions">
       <button on:click={back}>
         Back
       </button>
     </span>
   </Modal>

added src/cache.test.ts

@@ -0,0 +1,13 @@

 import { cached } from "@app/cache";
 import { expect, test, vi } from "vitest";
 test("it caches undefined return values", async () => {
   // eslint-disable-next-line @typescript-eslint/no-unused-vars
   const inner = vi.fn(async (_: string) => undefined);
   const memoized = cached(inner, key => key);
   expect(await memoized("a")).toBe(undefined);
   expect(await memoized("a")).toBe(undefined);
   expect(inner).toHaveBeenCalledTimes(1);
 });

added src/cache.ts

@@ -0,0 +1,25 @@

 import LruCache from "lru-cache";
 // Creates a function that memoizes its result using an LRU cache.
 //
 // The cache key is a string created from the arguments using
 // `makeKey`.
 export function cached<Args extends unknown[], V>(
   f: (...args: Args) => Promise<V>,
   makeKey: (...args: Args) => string,
   options?: LruCache.Options<string, { value: V }>
 ): (...args: Args) => Promise<V> {
   const cache = new LruCache(options || { max: 500 });
   return async function (...args: Args): Promise<V> {
     const key = makeKey(...args);
     const cached = cache.get(key);
     if (cached === undefined) {
       const value = await f(...args);
       cache.set(key, { value });
       return value;
     } else {
       return cached.value;
     }
   };
 }

modified src/profile.ts

@@ -5,6 +5,7 @@ import {

   resolveIdxProfile, parseUsername, AddressType, identifyAddress
 } from "@app/utils";
 import type { Config } from "@app/config";
 import { cached } from "@app/cache";
 import type { Seed, InvalidSeed } from "@app/base/seeds/Seed";
 import { Org } from "@app/base/orgs/Org";
 import { NotFoundError } from "@app/error";

@@ -212,9 +213,9 @@ export class Profile {

     } else if (isAddress(addressOrName)) {
       const address = addressOrName.toLowerCase();
       type = await identifyAddress(addressOrName, config);
       type = await identifyAddress(address, config);
       if (type === AddressType.Org) {
         org = await Org.get(addressOrName, config);
         org = await Org.get(address, config);
       }
       try {

@@ -239,7 +240,9 @@ export class Profile {

   }
   static async getMulti(addressesOrNames: string[], config: Config): Promise<Profile[]> {
     const profilePromises = addressesOrNames.map(addressOrName => this.lookupProfile(addressOrName, ProfileType.Minimal, config));
     const profilePromises = addressesOrNames.map(
       addressOrName => this.lookupProfile(addressOrName, ProfileType.Minimal, config)
     );
     const profiles = await Promise.all(profilePromises);
     return profiles.map(profile => { return new Profile(profile); });
   }

@@ -253,3 +256,11 @@ export class Profile {

     return new Profile(profile);
   }
 }
 export const getBalance = cached(
   async (address: string, config: Config) => {
     return await config.provider.getBalance(address);
   },
   (address) => address,
   { max: 1000 }
 );

modified src/utils.ts

@@ -9,12 +9,13 @@ import type { SafeSignature } from "@gnosis.pm/safe-core-sdk-types";

 import type { Config } from '@app/config';
 import config from "@app/config.json";
 import { assert } from '@app/error';
 import type { EnsProfile } from "@app/base/registrations/registrar";
 import { EnsProfile, getAddress, getResolver } from "@app/base/registrations/registrar";
 import { getAvatar, getSeed, getAnchorsAccount, getRegistration } from '@app/base/registrations/registrar';
 import type { BasicProfile } from '@datamodels/identity-profile-basic';
 import { ProfileType } from '@app/profile';
 import { parseUnits } from "@ethersproject/units";
 import { GetSafe } from "@app/base/orgs/Org";
 import * as cache from "@app/cache";
 export enum AddressType {
   Contract,

@@ -58,7 +59,7 @@ export type State =

   | { status: Status.Failed; error: string };
 export async function isReverseRecordSet(address: string, domain: string, config: Config): Promise<boolean> {
   const name = await config.provider.lookupAddress(address);
   const name = await lookupAddress(address, config);
   return name === domain;
 }

@@ -337,7 +338,7 @@ export function safeLink(addr: string, config: Config): string {

 }
 // Query a subgraph.
 export async function querySubgraph(
 export async function querySubgraphWithRetry(
   url: string,
   query: string,
   variables: Record<string, any>,

@@ -358,13 +359,19 @@ export async function querySubgraph(

   if (json.errors) {
     console.error("querySubgraph:", json.errors);
     if (retries > 0) querySubgraph(url, query, variables, retries - 1);
     if (retries > 0) querySubgraphWithRetry(url, query, variables, retries - 1);
     else return null;
   }
   return json.data;
 }
 export const querySubgraph = cache.cached(
   querySubgraphWithRetry,
   (url: string, query: string, variables: Record<string, any>) => JSON.stringify({ url, query, variables }),
   { max: 500, ttl: 5 * 60 * 1000 } // Cache results for 5 minutes.
 );
 // Format a name.
 export function formatName(input: string, config: Config): string {
   return parseEnsLabel(input, config);

@@ -417,7 +424,7 @@ export async function identifyAddress(address: string, config: Config): Promise<

     return AddressType.Safe;
   }
   const code = await config.provider.getCode(address);
   const code = await getCode(address, config);
   const bytes = ethers.utils.arrayify(code);
   if (bytes.length > 0) {

@@ -436,18 +443,26 @@ export async function resolveLabel(label: string | undefined, config: Config): P

 }
 // Resolves an IDX profile or return null
 export async function resolveIdxProfile(caip10: string, config: Config): Promise<BasicProfile | null> {
   return config.ceramic.client.get("basicProfile", caip10);
 }
 export const resolveIdxProfile = cache.cached(
   async (caip10: string, config: Config): Promise<BasicProfile | null> => {
     try {
       return await config.ceramic.client.get("basicProfile", caip10);
     } catch (e) {
       return null;
     }
   },
   (caip10: string) => caip10,
   { max: 500, ttl: 30 * 60 * 1000 } // Cache results for 30 minutes.
 );
 // Resolves an ENS profile or return null
 export async function resolveEnsProfile(addressOrName: string, profileType: ProfileType, config: Config): Promise<EnsProfile | null> {
   const name = ethers.utils.isAddress(addressOrName)
     ? await config.provider.lookupAddress(addressOrName)
     ? await lookupAddress(addressOrName, config)
     : addressOrName;
   if (name) {
     const resolver = await config.provider.getResolver(name);
     const resolver = await getResolver(name, config);
     if (! resolver) {
       return null;
     }

@@ -463,7 +478,7 @@ export async function resolveEnsProfile(addressOrName: string, profileType: Prof

       ];
       if (addressOrName === name) {
         promises.push(resolver.getAddress());
         promises.push(getAddress(resolver));
       } else {
         promises.push(Promise.resolve(addressOrName));
       }

@@ -519,7 +534,7 @@ export async function getSafe(address: string, config: Config): Promise<Safe | n

 // Get token balances for an address.
 export async function getTokens(address: string, config: Config): Promise<Array<Token>> {
   const userBalances = await config.provider.send("alchemy_getTokenBalances", [address, "DEFAULT_TOKENS"]);
   const userBalances = await getRpcMethod("alchemy_getTokenBalances", [address, "DEFAULT_TOKENS"], config);
   const balances = userBalances.tokenBalances.filter((token: any) => {
     // alchemy_getTokenBalances sometimes returns 0x and this does not work well with ethers.BigNumber
     if (token.tokenBalance !== "0x") {

@@ -528,13 +543,21 @@ export async function getTokens(address: string, config: Config): Promise<Array<

       }
     }
   }).map(async (token: any) => {
     const tokenMetaData = await config.provider.send("alchemy_getTokenMetadata", [token.contractAddress]);
     const tokenMetaData = await getRpcMethod("alchemy_getTokenMetadata", [token.contractAddress], config);
     return { ...tokenMetaData, balance: BigNumber.from(token.tokenBalance) };
   });
   return Promise.all(balances);
 }
 export const getRpcMethod = cache.cached(
   async (method: string, props: string[], config: Config) => {
     return await config.provider.send(method, props);
   },
   (method, props) => JSON.stringify([method, props]),
   { ttl: 2 * 60 * 1000 }
 );
 // Check whether the given path has a markdown file extension.
 export function isMarkdownPath(path: string): boolean {
   return /\.(md|mkd|markdown)$/i.test(path);

@@ -662,3 +685,19 @@ export class EthSignSignature {

     return '';
   }
 }
 export const getCode = cache.cached(
   async (address: string, config: Config) => {
     return await config.provider.getCode(address);
   },
   (address) => address,
   { max: 1000 }
 );
 export const lookupAddress = cache.cached(
   async (address: string, config: Config) => {
     return await config.provider.lookupAddress(address);
   },
   (address) => address,
   { max: 1000 }
 );