split program source file

2026-01-28 14:11:34 +08:00
parent 35c5c83f4b
commit be86c888eb
29 changed files with 2792 additions and 2234 deletions
--- a/pkg/shreder/program_bloomrouter.go
+++ b/pkg/shreder/program_bloomrouter.go
@@ -0,0 +1,111 @@
+package shreder
+
+import (
+	"encoding/binary"
+	"fmt"
+	"strings"
+
+	"github.com/gagliardetto/solana-go"
+)
+
+var bloomRouterProgramID = solana.MustPublicKeyFromBase58("b1oomGGqPKGD6errbyfbVMBuzSC8WtAAYo8MwNafWW1")
+
+type bloomRouterArgs struct {
+	Side        uint16
+	SolAmount   uint64
+	TokenAmount uint64
+}
+
+func parseBloomRouterInstruction(tx VersionedTransaction, instructionIndex int) (TxSignalBatch, error) {
+	if instructionIndex >= len(tx.Instructions) {
+		return nil, fmt.Errorf("instruction index out of bounds")
+	}
+
+	instruction := tx.Instructions[instructionIndex]
+	if len(instruction.Data) < 26 {
+		return nil, nil
+	}
+
+	var (
+		amount  uint64
+		sol     uint64
+		exactIn bool
+		event   string
+	)
+
+	args, err := decodeBloomRouterArgs(instruction.Data)
+	if err != nil {
+		return nil, err
+	}
+	switch args.Side {
+	case 0:
+		event = "buy"
+		exactIn = true
+	case 1:
+		event = "sell"
+	default:
+		return nil, nil
+	}
+	if args.SolAmount > ^uint64(0)/100 {
+		return nil, fmt.Errorf("bloomrouter sol amount overflow")
+	}
+	// bloomrouter SOL amount has 2 fewer decimals than lamports.
+	sol = args.SolAmount * 100
+	amount = args.TokenAmount
+
+	if len(instruction.Accounts) == 0 {
+		return nil, fmt.Errorf("accounts too short")
+	}
+	maker, err := tx.GetAccount(int(instruction.Accounts[0]))
+	if err != nil {
+		return nil, err
+	}
+
+	var (
+		mint solana.PublicKey
+		ok   bool
+	)
+	for _, 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
+			break
+		}
+	}
+	if !ok {
+		return nil, nil
+	}
+
+	return TxSignalBatch{&TxSignal{
+		TxHash:             tx.Signatures[0].String(),
+		Label:              "bloomrouter",
+		Maker:              maker.String(),
+		Token0Address:      mint.String(),
+		Token1Address:      wsolMint,
+		Token0Amount:       formatTokenAmount(amount),
+		Token1Amount:       formatSolAmount(sol),
+		Program:            "Pump",
+		Event:              event,
+		ExactSOL:           exactIn,
+		IsToken2022:        false,
+		IsMayhemMode:       false,
+		Block:              tx.Block,
+		Token0AmountUint64: amount,
+		Token1AmountUint64: sol,
+	}}, nil
+}
+
+func decodeBloomRouterArgs(data []byte) (bloomRouterArgs, error) {
+	if len(data) < 26 {
+		return bloomRouterArgs{}, fmt.Errorf("data too short for bloomrouter args, len=%d", len(data))
+	}
+	return bloomRouterArgs{
+		Side:        binary.BigEndian.Uint16(data[8:10]),
+		SolAmount:   binary.LittleEndian.Uint64(data[10:18]),
+		TokenAmount: binary.LittleEndian.Uint64(data[18:26]),
+	}, nil
+}