fix(dapp): name the connected wallet on every deployment, not only multi-network ones

apps/dapp/components/connect/connect-home.tsx

@@ -12,7 +12,7 @@ import type { ChainSlug } from '@intent/types'
 import dynamic from 'next/dynamic'
 import { useRouter, useSearchParams } from 'next/navigation'
 
-import { installNetworkFetch } from '../../lib/api/network-fetch'
+import { installPageFetch } from '../../lib/api/network-fetch'
 import { rememberChain } from '../../lib/wallet/chain-cookie'
 import { screenAfterConnect } from '../../lib/wallet/chain-path'
 
@@ -37,7 +37,7 @@ export function ConnectHome(): JSX.Element {
   const network = parseChainSegment(stellarHome)?.network ?? defaultNetwork()
   if (typeof window !== 'undefined') {
     setClientNetwork(network)
-    if (isMultiNetwork()) installNetworkFetch(network)
+    installPageFetch(network)
   }
 
   function onConnected(slug: ChainSlug): void {

apps/dapp/lib/__tests__/network-fetch.test.ts

@@ -1,6 +1,7 @@
-import { describe, expect, it } from 'vitest'
+import { describe, expect, it, vi } from 'vitest'
 
 import {
+  installPageFetch,
   networkFetch,
   setAttributedRace,
   setConnectedWallet,
@@ -112,3 +113,23 @@ describe('networkFetch wallet header', () => {
     expect(seen[1]?.get('x-intent-wallet')).toBeNull()
   })
 })
+
+describe('installPageFetch', () => {
+  it('names the wallet on every call to this app, on a deployment that serves one network', async () => {
+    vi.stubEnv('NEXT_PUBLIC_STELLAR_NETWORKS', 'mainnet')
+    const { base, calls } = spy()
+    const page = { fetch: base, location: { origin: ORIGIN } } as unknown as Window
+    vi.stubGlobal('window', page)
+    try {
+      setConnectedWallet('GWALLET')
+      installPageFetch('mainnet')
+      await page.fetch(`${ORIGIN}/api/naira/orders`)
+      await page.fetch(`${ORIGIN}/api/naira/rate`)
+    } finally {
+      setConnectedWallet(undefined)
+      vi.unstubAllGlobals()
+      vi.unstubAllEnvs()
+    }
+    expect(calls.map((c) => c.headers.get('x-intent-wallet'))).toEqual(['GWALLET', 'GWALLET'])
+  })
+})

apps/dapp/lib/api/network-fetch.ts

@@ -71,6 +71,17 @@ export function walletFetch(input: string, init?: RequestInit): Promise<Response
 
 const BASE_KEY = '__intentBaseFetch'
 
+/**
+ * Every page's own API calls carry the connected wallet, whatever the deployment serves.
+ *
+ * Installing only where several networks are served left a one-network deployment
+ * sending no wallet at all: with sign-in paused, every route that keys records by
+ * wallet answered "connect your wallet" to a connected one, and showed no history.
+ */
+export function installPageFetch(network: StellarNetworkName): void {
+  installNetworkFetch(network)
+}
+
 /** Browser only. Safe to call again with another network; it wraps the original, never the wrapper. */
 export function installNetworkFetch(network: StellarNetworkName): void {
   if (typeof window === 'undefined') return

apps/dapp/providers/chain-provider.tsx

@@ -2,15 +2,14 @@
 
 import {
   defaultNetwork,
-  isMultiNetwork,
   parseChainSegment,
   setClientNetwork,
   type StellarNetworkName,
 } from '@intent/config'
 import type { ChainDescriptor, ChainSlug } from '@intent/types'
 import { createContext, useContext, useMemo } from 'react'
 
-import { installNetworkFetch } from '../lib/api/network-fetch'
+import { installPageFetch } from '../lib/api/network-fetch'
 import type { ChainAdapter } from '../lib/chain-adapter'
 import { adapterFor } from '../lib/adapters'
 
@@ -46,7 +45,7 @@ export function ChainProvider({
   // server renders overlap, and a shared variable would leak between requests.
   if (typeof window !== 'undefined') {
     setClientNetwork(network ?? defaultNetwork())
-    if (isMultiNetwork()) installNetworkFetch(network ?? defaultNetwork())
+    installPageFetch(network ?? defaultNetwork())
   }
 
   const value = useMemo<ChainContextValue>(() => {