Fix bloomrouter parser

pkg/shreder/program_bloomrouter.go

@@ -3,12 +3,12 @@ package shreder
 import (
 	"encoding/binary"
 	"fmt"
-	"strings"
 
 	"github.com/gagliardetto/solana-go"
 )
 
 var bloomRouterProgramID = solana.MustPublicKeyFromBase58("b1oomGGqPKGD6errbyfbVMBuzSC8WtAAYo8MwNafWW1")
+var pumpFunAccount = solana.MustPublicKeyFromBase58("4wTV1YmiEkRvAtNtsSGPtUrqRYQMe5SKy2uB4Jjaxnjf")
 
 type bloomRouterArgs struct {
 	Side        uint16
@@ -61,22 +61,27 @@ func parseBloomRouterInstruction(tx VersionedTransaction, instructionIndex int)
 		return nil, err
 	}
 
-	var (
-		mint solana.PublicKey
-		ok   bool
-	)
-	for _, acctIdx := range instruction.Accounts {
+	var mint solana.PublicKey
+	foundPumpFun := false
+	for i, acctIdx := range instruction.Accounts {
 		key, err := tx.GetAccount(int(acctIdx))
 		if err != nil {
 			return nil, err
 		}
-		if strings.HasSuffix(key.String(), "pump") {
-			mint = key
-			ok = true
+		if key.Equals(pumpFunAccount) {
+			if i+2 >= len(instruction.Accounts) {
+				return nil, fmt.Errorf("accounts too short for pumpfun mint, idx=%d len=%d", i, len(instruction.Accounts))
+			}
+			mintKey, err := tx.GetAccount(int(instruction.Accounts[i+2]))
+			if err != nil {
+				return nil, err
+			}
+			mint = mintKey
+			foundPumpFun = true
 			break
 		}
 	}
-	if !ok {
+	if !foundPumpFun {
 		return nil, nil
 	}