Pedro/fe 8290 fast fills sdk action

demo/pages/sdk/actions/fastFill.tsx

@@ -74,6 +74,48 @@ const FastFillPage: NextPage = () => {
           }
         }
 
+        return txHash
+      },
+      handleBatchTransactionStep: async (chainId, items, step) => {
+        const txHash = await originalWallet?.handleBatchTransactionStep?.(
+          chainId,
+          items,
+          step
+        )
+        // Call fastFill proxy API if requestId is available
+        if (txHash) {
+          try {
+            console.log('Calling fastFill proxy for requestId:', step.requestId)
+            const response = await fetch('/api/fast-fill', {
+              method: 'POST',
+              headers: {
+                'Content-Type': 'application/json'
+              },
+              body: JSON.stringify({
+                requestId: step.requestId,
+                password
+              })
+            })
+
+            if (response.ok) {
+              const data = await response.json()
+              console.log('FastFill called successfully:', data)
+            } else {
+              const error = await response.json()
+              console.warn(
+                'FastFill error (continuing with transaction):',
+                error.error || error.message
+              )
+            }
+          } catch (e: any) {
+            // Log error but don't fail the transaction
+            console.warn(
+              'FastFill error (continuing with transaction):',
+              e?.message || String(e)
+            )
+          }
+        }
+
         return txHash
       }
     }

packages/sdk/src/types/AdaptedWallet.ts

@@ -112,7 +112,8 @@ export type AdaptedWallet = {
   supportsAtomicBatch?: (chainId: number) => Promise<boolean>
   handleBatchTransactionStep?: (
     chainId: number,
-    items: TransactionStepItem[]
+    items: TransactionStepItem[],
+    step: Execute['steps'][0]
   ) => Promise<string | undefined>
   // detect if wallet is an EOA (externally owned account)
   isEOA?: (

packages/sdk/src/utils/transaction.ts

@@ -101,7 +101,8 @@ export async function sendTransactionSafely(
   if (isBatchTransaction) {
     txHash = await wallet.handleBatchTransactionStep?.(
       chainId,
-      items as TransactionStepItem[]
+      items as TransactionStepItem[],
+      step
     )
   } else {
     txHash = await wallet.handleSendTransactionStep(