feat: add fallback hub (#155)

## Change Summary

Add fallback hub for loading connected addresses.

## Merge Checklist

_Choose all relevant options below by adding an `x` now or at any time
before submitting for review_

- [x] PR title adheres to the [conventional
commits](https://www.conventionalcommits.org/en/v1.0.0/) standard
- [x] PR has a changeset
- [x] PR has been tagged with a change label(s) (i.e. documentation,
feature, bugfix, or chore)
- [x] PR includes documentation if necessary
- [x] All commits have been signed

.changeset/four-months-decide.md

@@ -0,0 +1,5 @@
+---
+"@farcaster/auth-relay": patch
+---
+
+feat: add fallback hub

apps/relay/package.json

@@ -16,7 +16,7 @@
     "node": ">=18"
   },
   "dependencies": {
-    "@farcaster/core": "^0.13.4",
+    "@farcaster/core": "^0.14.8",
     "@fastify/cors": "^8.4.2",
     "@fastify/rate-limit": "^9.0.1",
     "axios": "^1.6.2",

apps/relay/src/addresses.ts

@@ -6,7 +6,7 @@ import { optimism } from "viem/chains";
 import { ID_REGISTRY_ADDRESS, idRegistryABI } from "@farcaster/core";
 
 import { RelayAsyncResult, RelayError } from "./errors";
-import { HUB_URL, OPTIMISM_RPC_URL } from "./env";
+import { HUB_URL, HUB_FALLBACK_URL, OPTIMISM_RPC_URL } from "./env";
 
 interface VerificationAddAddressBody {
   address: Hex;
@@ -75,16 +75,29 @@ export class AddressService {
 
   async verifications(fid?: number): RelayAsyncResult<Hex[]> {
     const url = `${HUB_URL}/v1/verificationsByFid?fid=${fid}`;
-    return ResultAsync.fromPromise(this.http.get<VerificationsAPIResponse>(url), (error) => {
+    const fallbackUrl = `${HUB_FALLBACK_URL}/v1/verificationsByFid?fid=${fid}`;
+
+    return ResultAsync.fromPromise(this.http.get<VerificationsAPIResponse>(url, { timeout: 1500 }), (error) => {
       return new RelayError("unknown", error as Error);
-    }).andThen((res) => {
-      return ok(
-        res.data.messages.map((message) => {
-          return (
-            message.data?.verificationAddAddressBody?.address || message.data?.verificationAddEthAddressBody?.address
-          );
-        }),
-      );
-    });
+    })
+      .orElse(() => {
+        return ResultAsync.fromPromise(
+          this.http.get<VerificationsAPIResponse>(fallbackUrl, {
+            timeout: 3500,
+          }),
+          (error) => {
+            return new RelayError("unknown", error as Error);
+          },
+        );
+      })
+      .andThen((res) => {
+        return ok(
+          res.data.messages.map((message) => {
+            return (
+              message.data?.verificationAddAddressBody?.address || message.data?.verificationAddEthAddressBody?.address
+            );
+          }),
+        );
+      });
   }
 }

apps/relay/src/env.ts

@@ -13,6 +13,7 @@ export const URL_BASE =
   process.env["URL_BASE"] || process.env["CONNECT_URI_BASE"] || "https://warpcast.com/~/sign-in-with-farcaster";
 
 export const HUB_URL = process.env["HUB_URL"] || "https://nemes.farcaster.xyz:2281";
+export const HUB_FALLBACK_URL = process.env["HUB_FALLBACK_URL"] || "https://hoyt.farcaster.xyz:2281";
 
 export const OPTIMISM_RPC_URL = process.env["OPTIMISM_RPC_URL"] || "https://mainnet.optimism.io";
 

yarn.lock

@@ -1146,16 +1146,15 @@
   resolved "https://registry.npmjs.org/@eslint/js/-/js-8.56.0.tgz#ef20350fec605a7f7035a01764731b2de0f3782b"
   integrity sha512-gMsVel9D7f2HLkBma9VbtzZRehRogVRfbr++f06nL2vnCGCNlzOD+/MUov/F4p8myyAHspEhVobgjpX64q5m6A==
 
-"@farcaster/core@^0.13.4":
-  version "0.13.4"
-  resolved "https://registry.npmjs.org/@farcaster/core/-/core-0.13.4.tgz#18df168e024186f084f0cd7c5f29fd051964a7f5"
-  integrity sha512-cvQLzD+r4/1kI763jox0ZtU5BkmYQjOvvabcYVvJAfIJUsQfwpcVJOEliLuO94a2pyZSp7/CLQN0In0RUIVKlQ==
+"@farcaster/core@^0.14.8":
+  version "0.14.8"
+  resolved "https://registry.npmjs.org/@farcaster/core/-/core-0.14.8.tgz#c8e63d58af6b45b6e95149a41238a08451a01a51"
+  integrity sha512-vMN0InOXgzwzgsurcp1rlJaALfZJ6v82QEZS9Do5XZYnB636wfBugHiQD7u+Zdw5EMkEWlVBdNJ9yjAixP2kmA==
   dependencies:
     "@noble/curves" "^1.0.0"
     "@noble/hashes" "^1.3.0"
-    ffi-napi "^4.0.3"
+    bs58 "^5.0.0"
     neverthrow "^6.0.0"
-    ref-napi "^3.0.3"
     viem "^1.12.2"
 
 "@fastify/ajv-compiler@^3.5.0":
@@ -2763,6 +2762,11 @@ balanced-match@^1.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.2.tgz#e83e3a7e3f300b34cb9d87f615fa0cbf357690ee"
   integrity sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==
 
+base-x@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/base-x/-/base-x-4.0.0.tgz#d0e3b7753450c73f8ad2389b5c018a4af7b2224a"
+  integrity sha512-FuwxlW4H5kh37X/oW59pwTzzTKRzfrrQwhmyspRM7swOEZcHtDZSCt45U6oKgtuFE+WYPblePMVIPR4RZrh/hw==
+
 base64-js@^1.3.1:
   version "1.5.1"
   resolved "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz#1b1b440160a5bf7ad40b650f095963481903930a"
@@ -2927,6 +2931,13 @@ browserslist@^4.21.9, browserslist@^4.22.2:
     node-releases "^2.0.14"
     update-browserslist-db "^1.0.13"
 
+bs58@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.npmjs.org/bs58/-/bs58-5.0.0.tgz#865575b4d13c09ea2a84622df6c8cbeb54ffc279"
+  integrity sha512-r+ihvQJvahgYT50JD05dyJNKlmmSlMoOGwn1lCcEzanPglg7TxYjioQUYehQ9mAR/+hOSd2jRc/Z2y5UxBymvQ==
+  dependencies:
+    base-x "^4.0.0"
+
 bser@2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/bser/-/bser-2.1.1.tgz#e6787da20ece9d07998533cfd9de6f5c38f4bc05"
@@ -3393,13 +3404,6 @@ debug@4.3.4, debug@^4.0.0, debug@^4.1.0, debug@^4.1.1, debug@^4.3.1, debug@^4.3.
   dependencies:
     ms "2.1.2"
 
-debug@^3.1.0:
-  version "3.2.7"
-  resolved "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz#72580b7e9145fb39b6676f9c5e5fb100b934179a"
-  integrity sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==
-  dependencies:
-    ms "^2.1.1"
-
 decamelize-keys@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/decamelize-keys/-/decamelize-keys-1.1.1.tgz#04a2d523b2f18d80d0158a43b895d56dff8d19d8"
@@ -4190,18 +4194,6 @@ fb-watchman@^2.0.0:
   dependencies:
     bser "2.1.1"
 
-ffi-napi@^4.0.3:
-  version "4.0.3"
-  resolved "https://registry.npmjs.org/ffi-napi/-/ffi-napi-4.0.3.tgz#27a8d42a8ea938457154895c59761fbf1a10f441"
-  integrity sha512-PMdLCIvDY9mS32RxZ0XGb95sonPRal8aqRhLbeEtWKZTe2A87qRFG9HjOhvG8EX2UmQw5XNRMIOT+1MYlWmdeg==
-  dependencies:
-    debug "^4.1.1"
-    get-uv-event-loop-napi-h "^1.0.5"
-    node-addon-api "^3.0.0"
-    node-gyp-build "^4.2.1"
-    ref-napi "^2.0.1 || ^3.0.2"
-    ref-struct-di "^1.1.0"
-
 file-entry-cache@^6.0.1:
   version "6.0.1"
   resolved "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-6.0.1.tgz#211b2dd9659cb0394b073e7323ac3c933d522027"
@@ -4440,18 +4432,6 @@ get-symbol-description@^1.0.0:
     call-bind "^1.0.2"
     get-intrinsic "^1.1.1"
 
-get-symbol-from-current-process-h@^1.0.1, get-symbol-from-current-process-h@^1.0.2:
-  version "1.0.2"
-  resolved "https://registry.npmjs.org/get-symbol-from-current-process-h/-/get-symbol-from-current-process-h-1.0.2.tgz#510af52eaef873f7028854c3377f47f7bb200265"
-  integrity sha512-syloC6fsCt62ELLrr1VKBM1ggOpMdetX9hTrdW77UQdcApPHLmf7CI7OKcN1c9kYuNxKcDe4iJ4FY9sX3aw2xw==
-
-get-uv-event-loop-napi-h@^1.0.5:
-  version "1.0.6"
-  resolved "https://registry.npmjs.org/get-uv-event-loop-napi-h/-/get-uv-event-loop-napi-h-1.0.6.tgz#42b0b06b74c3ed21fbac8e7c72845fdb7a200208"
-  integrity sha512-t5c9VNR84nRoF+eLiz6wFrEp1SE2Acg0wS+Ysa2zF0eROes+LzOfuTaVHxGy8AbS8rq7FHEJzjnCZo1BupwdJg==
-  dependencies:
-    get-symbol-from-current-process-h "^1.0.1"
-
 glob-parent@^5.1.2, glob-parent@~5.1.2:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.1.2.tgz#869832c58034fe68a4093c17dc15e8340d8401c4"
@@ -5944,11 +5924,6 @@ ms@2.1.2:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
 
-ms@^2.1.1:
-  version "2.1.3"
-  resolved "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz#574c8138ce1d2b5861f0b44579dbadd60c6615b2"
-  integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==
-
 muggle-string@^0.3.1:
   version "0.3.1"
   resolved "https://registry.npmjs.org/muggle-string/-/muggle-string-0.3.1.tgz#e524312eb1728c63dd0b2ac49e3282e6ed85963a"
@@ -5978,16 +5953,6 @@ neverthrow@^6.0.0, neverthrow@^6.1.0:
   resolved "https://registry.npmjs.org/neverthrow/-/neverthrow-6.1.0.tgz#51a6e9ce2e06600045b3c1b37aecc536d267bf95"
   integrity sha512-xNbNjp/6M5vUV+mststgneJN9eJeJCDSYSBTaf3vxgvcKooP+8L0ATFpM8DGfmH7UWKJeoa24Qi33tBP9Ya3zA==
 
-node-addon-api@^3.0.0:
-  version "3.2.1"
-  resolved "https://registry.npmjs.org/node-addon-api/-/node-addon-api-3.2.1.tgz#81325e0a2117789c0128dab65e7e38f07ceba161"
-  integrity sha512-mmcei9JghVNDYydghQmeDX8KoAm0FAiYyIcUt/N4nhyAipB17pllZQDOJD2fotxABnt4Mdz+dKTO7eftLg4d0A==
-
-node-gyp-build@^4.2.1:
-  version "4.8.0"
-  resolved "https://registry.npmjs.org/node-gyp-build/-/node-gyp-build-4.8.0.tgz#3fee9c1731df4581a3f9ead74664369ff00d26dd"
-  integrity sha512-u6fs2AEUljNho3EYTJNBfImO5QTo/J/1Etd+NVdCj7qWKUSN/bSLkZwhDv7I+w/MSC6qJ4cknepkAYykDdK8og==
-
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -6744,23 +6709,6 @@ redis-parser@^3.0.0:
   dependencies:
     redis-errors "^1.0.0"
 
-"ref-napi@^2.0.1 || ^3.0.2", ref-napi@^3.0.3:
-  version "3.0.3"
-  resolved "https://registry.npmjs.org/ref-napi/-/ref-napi-3.0.3.tgz#e259bfc2bbafb3e169e8cd9ba49037dd00396b22"
-  integrity sha512-LiMq/XDGcgodTYOMppikEtJelWsKQERbLQsYm0IOOnzhwE9xYZC7x8txNnFC9wJNOkPferQI4vD4ZkC0mDyrOA==
-  dependencies:
-    debug "^4.1.1"
-    get-symbol-from-current-process-h "^1.0.2"
-    node-addon-api "^3.0.0"
-    node-gyp-build "^4.2.1"
-
-ref-struct-di@^1.1.0:
-  version "1.1.1"
-  resolved "https://registry.npmjs.org/ref-struct-di/-/ref-struct-di-1.1.1.tgz#5827b1d3b32372058f177547093db1fe1602dc10"
-  integrity sha512-2Xyn/0Qgz89VT+++WP0sTosdm9oeowLP23wRJYhG4BFdMUrLj3jhwHZNEytYNYgtPKLNTP3KJX4HEgBvM1/Y2g==
-  dependencies:
-    debug "^3.1.0"
-
 regenerator-runtime@^0.14.0:
   version "0.14.0"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.14.0.tgz#5e19d68eb12d486f797e15a3c6a918f7cec5eb45"