chore: add bloom router selector

pkg/shreder/program_bloomrouter.go

@@ -1,6 +1,7 @@
 package shreder
 
 import (
+	"bytes"
 	"encoding/binary"
 	"fmt"
 
@@ -10,6 +11,8 @@ import (
 var bloomRouterProgramID = solana.MustPublicKeyFromBase58("b1oomGGqPKGD6errbyfbVMBuzSC8WtAAYo8MwNafWW1")
 var pumpFunAccount = solana.MustPublicKeyFromBase58("4wTV1YmiEkRvAtNtsSGPtUrqRYQMe5SKy2uB4Jjaxnjf")
 
+var bloomRouterSwapDiscriminator = []byte{0xf1, 0x57, 0x27, 0x38, 0x01, 0x4d, 0x0e, 0x63}
+
 type bloomRouterArgs struct {
 	Side        uint16
 	SolAmount   uint64
@@ -26,6 +29,10 @@ func parseBloomRouterInstruction(tx VersionedTransaction, instructionIndex int)
 		return nil, nil
 	}
 
+	if !bytes.Equal(instruction.Data[:8], bloomRouterSwapDiscriminator) {
+		return nil, nil
+	}
+
 	findPumpFun := func() (solana.PublicKey, solana.PublicKey, error) {
 		var mint solana.PublicKey
 		foundPumpFun := false