Add discovery.authn.exclude

.changeset/shiny-pumas-guess.md

@@ -0,0 +1,17 @@
+---
+"@onflow/fcl-core": minor
+---
+
+Allow apps to exclude certain wallets from FCL Discovery.
+
+```javascript
+import { config } from "@onflow/fcl";
+
+// Include supports discovery.wallet or discovery.authn.endpoint
+config({
+  "discovery.wallet": "https://fcl-discovery.onflow.org/testnet/authn",
+  "discovery.authn.endpoint":
+    "https://fcl-discovery.onflow.org/api/testnet/authn",
+  "discovery.authn.exclude": ["0x123"], // Exclude a wallet by address
+});
+```

packages/fcl-core/src/current-user/index.js

@@ -135,11 +135,13 @@ async function getAccountProofData() {
 
 const makeConfig = async ({
   discoveryAuthnInclude,
+  discoveryAuthnExclude,
   discoveryFeaturesSuggested,
 }) => {
   return {
     client: {
       discoveryAuthnInclude,
+      discoveryAuthnExclude,
       discoveryFeaturesSuggested,
       clientServices: await makeDiscoveryServices(),
       supportedStrategies: getServiceRegistry().getStrategies(),

packages/fcl-core/src/discovery/services.js

@@ -14,6 +14,7 @@ export async function getServices({types}) {
   )
 
   const include = await config.get("discovery.authn.include", [])
+  const exclude = await config.get("discovery.authn.exclude", [])
   const url = new URL(endpoint)
 
   return fetch(url, {
@@ -25,6 +26,7 @@ export async function getServices({types}) {
       type: types,
       fclVersion: VERSION,
       include,
+      exclude,
       features: {
         suggested: await config.get("discovery.features.suggested", []),
       },

packages/fcl-core/src/discovery/utils.js

@@ -9,6 +9,7 @@ export const makeDiscoveryServices = async () => {
 
 export async function getDiscoveryService(service) {
   const discoveryAuthnInclude = await config.get("discovery.authn.include", [])
+  const discoveryAuthnExclude = await config.get("discovery.authn.exclude", [])
   const discoveryFeaturesSuggested = await config.get(
     "discovery.features.suggested",
     []
@@ -36,6 +37,7 @@ export async function getDiscoveryService(service) {
     endpoint,
     method,
     discoveryAuthnInclude,
+    discoveryAuthnExclude,
     discoveryFeaturesSuggested,
   }
 }