Fast fills sdk action

.changeset/five-frogs-tie.md

@@ -0,0 +1,5 @@
+---
+'@relayprotocol/relay-sdk': patch
+---
+
+Fast fill sdk action

demo/components/providers/RelayKitProviderWrapper.tsx

@@ -65,6 +65,7 @@ export const RelayKitProviderWrapper: FC<{
               }
             })
           )
+          console.log('message', message, level)
         }
       }}
       theme={{

demo/pages/api/fast-fill.ts

@@ -0,0 +1,80 @@
+import { paths, createClient } from '@relayprotocol/relay-sdk'
+import type { NextApiRequest, NextApiResponse } from 'next'
+
+type FastFillRequest =
+  paths['/fast-fill']['post']['requestBody']['content']['application/json'] & {
+    password?: string // Password for fast fill authentication
+  }
+type FastFillResponse =
+  paths['/fast-fill']['post']['responses']['200']['content']['application/json']
+type RequestsV2Response =
+  paths['/requests/v2']['get']['responses']['200']['content']['application/json']
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse<FastFillResponse | { error: string }>
+) {
+  if (req.method !== 'POST') {
+    return res.status(405).json({ error: 'Method not allowed' })
+  }
+
+  const { requestId, solverInputCurrencyAmount, password } =
+    req.body as FastFillRequest
+
+  if (!requestId) {
+    return res.status(400).json({ error: 'requestId is required' })
+  }
+
+  // Check password first (before any API calls)
+  const expectedPassword = process.env.FAST_FILL_PASSWORD
+  if (!expectedPassword) {
+    return res.status(500).json({
+      error: 'Fast fill password not configured on server'
+    })
+  }
+
+  if (!password || password !== expectedPassword) {
+    return res.status(401).json({ error: 'Invalid fast fill password' })
+  }
+
+  const apiKey = process.env.NEXT_RELAY_API_KEY
+  if (!apiKey) {
+    return res.status(500).json({ error: 'API key not configured' })
+  }
+
+  const baseApiUrl =
+    process.env.NEXT_PUBLIC_RELAY_API_URL || 'https://api.relay.link'
+
+  try {
+    // Create a RelayClient instance with the API key and base URL
+    const relayClient = createClient({
+      baseApiUrl,
+      apiKey
+    })
+
+    // Call the fast-fill API using the SDK action
+    // The fastFill action uses getClient() internally, which will return
+    // the client we just created via createClient()
+    try {
+      const fastFillData = await relayClient.actions.fastFill({
+        requestId,
+        ...(solverInputCurrencyAmount && { solverInputCurrencyAmount })
+      })
+
+      return res.status(200).json(fastFillData)
+    } catch (error: any) {
+      // Handle APIError from the SDK
+      if (error.statusCode) {
+        return res.status(error.statusCode).json({
+          error: error.message || 'Fast fill failed'
+        })
+      }
+      throw error
+    }
+  } catch (error: any) {
+    console.error('Fast fill proxy error:', error)
+    return res.status(500).json({
+      error: error?.message || 'Internal server error'
+    })
+  }
+}

demo/pages/index.tsx

@@ -34,6 +34,7 @@ const Index: NextPage = () => {
           <Link href="/sdk/actions/bridge">Bridge</Link>
           <Link href="/sdk/actions/swap">Swap</Link>
           <Link href="/sdk/actions/claimAppFees">Claim App Fees</Link>
+          <Link href="/sdk/actions/fastFill">Fast Fill</Link>
         </nav>
         <h2>
           <b>SDK Read Actions</b>