package shreder

import (
	"bytes"
	"encoding/binary"
	"fmt"
	"math/big"
	"slices"
	"strings"
	"sync"
	"time"

	"github.com/gagliardetto/solana-go"
	"github.com/mr-tron/base58"
	"github.com/near/borsh-go"
	"github.com/shopspring/decimal"
)

const (
	wsolMint     = "So11111111111111111111111111111111111111112"
	tokenProgram = "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA"
)

// program ids
var (
	pumpProgramID = solana.MustPublicKeyFromBase58("6EF8rrecthR5Dkzon8Nwu78hRvfCKubJ14M5uBEwF6P")
	// has no sell function with pump and pump.amm program
	azczProgramID = solana.MustPublicKeyFromBase58("AzcZqCRUQgKEg5FTAgY7JacATABEYCEfMbjXEzspLYFB")

	// only buy function with pump program
	f5tfProgramID = solana.MustPublicKeyFromBase58("F5tfvbLog9VdGUPqBDTT8rgXvTTcq7e5UiGnupL1zvBq")
	// only pump.fun function
	photonProgramID = solana.MustPublicKeyFromBase58("BSfD6SHZigAfDWSjzD5Q41jw8LmKwtmjskPH9XW1mrRW")

	pumpAmmProgramID = solana.MustPublicKeyFromBase58("pAMMBay6oceH9fJKBRHGP5D4bD4sWpmSwMn52FMfXEA")

	boboProgramID = solana.MustPublicKeyFromBase58("BobogA5N2KN2GG4XN3E3rNNRw3L8H1QPXp7QLxGrNHGM")

	qtkvProgramID = solana.MustPublicKeyFromBase58("qtkvapJEvRWWrB7i5K6RaA1kvq5x3qmMKZ98ad71XQ7")

	// only buy function with pump program
	fjszProgramID = solana.MustPublicKeyFromBase58("FJsZbftBqRLfF7uqUKpm4s2goDr6xsQ5Q3mN7AFJB6hK")

	flasProgramID = solana.MustPublicKeyFromBase58("FLASHX8DrLbgeR8FcfNV1F5krxYcYMUdBkrP1EPBtxB9")

	terminalProgramID = solana.MustPublicKeyFromBase58("term9YPb9mzAsABaqN71A4xdbxHmpBNZavpBiQKZzN3")

	jupiterV6ProgramID = solana.MustPublicKeyFromBase58("JUP6LkbZbjS1jKKwapdHNy74zcZ3tLUZoi5QNyVTaV4")

	gmgnProgramID = solana.MustPublicKeyFromBase58("GMgnVFR8Jb39LoXsEVzb3DvBy3ywCmdmJquHUy1Lrkqb")

	bonkProgramID = solana.MustPublicKeyFromBase58("BBRouter1cVunVXvkcqeKkZQcBK7ruan37PPm3xzWaXD")
)

type AccountNotFoundError struct {
	Index int
	Len   int
}

func NewAccountNotFoundError(i, l int) error {
	return &AccountNotFoundError{i, l}
}

func (e AccountNotFoundError) Error() string {
	return fmt.Sprintf("account index %d out of range, len=%d", e.Index, e.Len)
}

// instruction discriminators
var (
	pumpCreateCoinIX   = []byte{24, 30, 200, 40, 5, 28, 7, 119}
	pumpCreateCoinV2IX = []byte{214, 144, 76, 236, 95, 139, 49, 180}
	pumpExtendedSellIX = []byte{51, 230, 133, 164, 1, 127, 131, 173}
	pumpBuyTokensIX    = []byte{102, 6, 61, 18, 1, 218, 235, 234}
	pumpBuyV2TokensIX  = []byte{56, 252, 116, 8, 158, 223, 205, 95}

	azczBuyTokensIX    = []byte{11}
	azczAmmBuyTokensIX = []byte{0xf}

	f5tfBuyTokensIX = []byte{0}

	flasBuyTokensIX     = []byte{0x00, 0x1, 0x4}
	flasSellTokensIX    = []byte{0x01, 0x1, 0x3}
	flasAmmBuyTokensIX  = []byte{0x00, 0x2, 0x2}
	flasAmmSellTokensIX = []byte{0x01, 0x2, 0x2}

	pumpAmmBuyTokensV2IX = []byte{198, 46, 21, 82, 180, 217, 232, 112}
	pumpAmmBuyTokensIX   = []byte{102, 6, 61, 18, 1, 218, 235, 234}
	pumpAmmSellTokensIX  = []byte{51, 230, 133, 164, 1, 127, 131, 173}

	qtkvBuyTokensIX     = []byte{0x02}
	qtkvSellTokensIX    = []byte{0x03}
	qtkvAmmSellTokensIX = []byte{0x05}

	boboBuyPumpTokensIX   = []byte{0xff, 0xe7, 0x11, 0x53, 0x15, 0xc5, 0xc3, 0xdf}
	fjszBuyTokensIX       = []byte{0xe7, 0x3f, 0x99, 0x83, 0xf3, 0xed, 0xe3, 0x3c}
	photonBuyPumpTokensIX = []byte{0x52, 0xe1, 0x77, 0xe7, 0x4e, 0x1d, 0x2d, 0x46}
	photonSwapPumpAmmIX   = []byte{0x2c, 0x77, 0xaf, 0xda, 0xc7, 0x4d, 0xc4, 0xeb}

	terminalBuyTokensIX     = []byte{0xa6, 0x54, 0x14, 0x96, 0x9f, 0x77, 0x59, 0xca}
	terminalSellTokensIX    = []byte{0xbe, 0x84, 0xa2, 0x96, 0x93, 0x7c, 0xf8, 0x6b}
	terminalAmmSellTokensIX = []byte{0x40, 0x64, 0x97, 0xb9, 0x16, 0xfa, 0xec, 0xb1}

	gmgnBuyTokensIX = []byte{0x66, 0x06, 0x3d, 0x12, 0x01, 0xda, 0xeb, 0xea}

	bonkBuyAndSellTokensIX = []byte{0x00, 0x01, 0x00, 0x00, 0x00, 0x09, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a}
)

type addressTableLookup struct {
	AccountKeyOffset int
	WriteOffset      int
	WriteLen         int
	ReadOffset       int
	ReadLen          int
}

type TransactionGetter interface {
	GetAccount(idx uint8) (solana.PublicKey, error)
	Signatures() string
	Block() uint64

	GetAddressTableLookups(idx int) (account solana.PublicKey, write []uint8, read []uint8, err error)
	GetAddressTablesLookupsLen() int

	GetInstruction(idx int) (program solana.PublicKey, accounts []uint8, data []byte, err error)
	GetInstructionLen() int

	GetStaticAccountKeys(idx uint8) (account solana.PublicKey, err error)
	GetStaticAccountKeysLen() uint8
}

type FillableTransaction interface {
	FillLookupTable(account solana.PublicKey)
}

func (tx *versionedTransaction) FillLookupTable(account solana.PublicKey) {
	tx.TableLookups = append(tx.TableLookups, account)
}

func (tx *versionedTransaction) GetAccount(idx uint8) (solana.PublicKey, error) {
	idxMax := tx.staticAccountKeys + uint8(len(tx.TableLookups))
	if idx < 0 || idx >= idxMax {
		return solana.PublicKey{}, fmt.Errorf("account index %d out of range, len=%d", idx, idxMax)
	}
	if idx < tx.staticAccountKeys {
		return tx.GetStaticAccountKeys(idx)
	}
	idx -= tx.staticAccountKeys
	if idx < uint8(len(tx.TableLookups)) {
		return tx.TableLookups[idx], nil
	}
	return solana.PublicKey{}, fmt.Errorf("account index %d out of range, len=%d", idx, len(tx.TableLookups))
}

func (tx *versionedTransaction) GetInstructionLen() int {
	return tx.instructions
}

func (tx *versionedTransaction) GetInstruction(idx int) (program solana.PublicKey, accounts []uint8, data []byte, err error) {
	if idx < 0 || idx >= tx.instructions {
		err = fmt.Errorf("instruction index %d out of range, len=%d", idx, tx.instructions)
		return
	}
	if tx.bind != nil {
		program, err = tx.GetAccount(uint8(tx.bind.Transaction.Message.Instructions[idx].ProgramIdIndex))
		if err != nil {
			return
		}
		accounts = tx.bind.Transaction.Message.Instructions[idx].Accounts
		data = tx.bind.Transaction.Message.Instructions[idx].Data
	} else if len(tx.bindArray) > 0 {
		instr := tx.Instrs[idx]
		program, err = tx.GetAccount(instr.ProgramIDIndex)
		if err != nil {
			return
		}
		if instr.AccountsLen > 0 {
			accounts = tx.bindArray[instr.AccountsOffset : instr.AccountsOffset+instr.AccountsLen]
		}
		if instr.DataLen > 0 {
			data = tx.bindArray[instr.DataOffset : instr.DataOffset+instr.DataLen]
		}
	} else {
		err = fmt.Errorf("instruction index %d out of range, len=%d", idx, len(tx.bindArray))
		return
	}

	return
}

func (tx *versionedTransaction) GetAddressTableLookups(idx int) (account solana.PublicKey, write []uint8, read []uint8, err error) {
	if idx < 0 || idx >= tx.addressTableLookups {
		err = fmt.Errorf("instruction index %d out of range, len=%d", idx, tx.instructions)
		return
	}
	if tx.bind != nil {
		account = solana.PublicKey(tx.bind.Transaction.Message.AddressTableLookups[idx].AccountKey)
		write = tx.bind.Transaction.Message.AddressTableLookups[idx].WritableIndexes
		read = tx.bind.Transaction.Message.AddressTableLookups[idx].ReadonlyIndexes
	} else if len(tx.bindArray) > 0 {
		lookup := tx.ATL[idx]
		copy(account[:], tx.bindArray[lookup.AccountKeyOffset:lookup.AccountKeyOffset+32])
		if lookup.WriteLen > 0 {
			write = tx.bindArray[lookup.WriteOffset : lookup.WriteOffset+lookup.WriteLen]
		}
		if lookup.ReadLen > 0 {
			read = tx.bindArray[lookup.ReadOffset : lookup.ReadOffset+lookup.ReadLen]
		}
	} else {
		err = fmt.Errorf("instruction index %d out of range, len=%d", idx, len(tx.bindArray))
	}

	return
}

func (tx *versionedTransaction) GetAddressTablesLookupsLen() int {
	return tx.addressTableLookups
}

func (tx *versionedTransaction) GetStaticAccountKeys(idx uint8) (account solana.PublicKey, err error) {
	if idx < 0 || idx >= tx.staticAccountKeys {
		return solana.PublicKey{}, fmt.Errorf("static account index %d out of range, len=%d", idx, tx.staticAccountKeys)
	}
	if tx.bind != nil {
		var key solana.PublicKey
		copy(key[:], tx.bind.Transaction.Message.AccountKeys[idx])
		return key, nil
	} else if len(tx.bindArray) > 0 {
		start := tx.staticAccountKeysOffset + int(idx)*32
		end := start + 32
		var key solana.PublicKey
		copy(key[:], tx.bindArray[start:end])
		return key, nil
	} else {
		return solana.PublicKey{}, fmt.Errorf("static account index %d out of range, len=%d", idx, len(tx.bindArray))
	}
}

func (tx *versionedTransaction) GetStaticAccountKeysLen() uint8 {
	return tx.staticAccountKeys
}

type versionedTransaction struct {
	bind *SubscribeUpdateTransaction

	bindArray []byte

	signatures       int
	signaturesOffset int

	instructions int

	addressTableLookups     int
	staticAccountKeys       uint8
	staticAccountKeysOffset int

	Instrs       []compiledInstruction
	ATL          []addressTableLookup
	TableLookups []solana.PublicKey
	block        uint64
	Time         time.Time
}

func (tx *versionedTransaction) Signatures() string {
	if tx.bind != nil {
		return base58.Encode(tx.bind.Transaction.Signatures[0])
	} else if len(tx.bindArray) > 0 && tx.signatures > 0 {
		start := tx.signaturesOffset
		end := start + 64
		return base58.Encode(tx.bindArray[start:end])
	}
	return ""
}

func (tx *versionedTransaction) Block() uint64 {
	return tx.block
}

type pumpExtendedSellArgs struct {
	Amount       uint64
	MinSolOutput uint64
}

type pumpBuyArgs struct {
	Amount     uint64
	MaxSolCost uint64
}

type pumpCreateCoinV2Args struct {
	Name         string
	Symbol       string
	Uri          string
	Creator      solana.PublicKey
	IsMayhemMode bool
}

type azczBuyArgs struct {
	SolAmount   uint64
	TokenAmount uint64
}

type f5tfBuyArgs struct {
	SolAmount   uint64
	TokenAmount uint64
}

type flasArgs struct {
	Amount1     uint64
	Amount2     uint64
	Placeholder [3]uint8
}

type photonBuyPumpArgs struct {
	Timestamp   uint64
	SolAmount   uint64
	TokenAmount uint64
	Fee         uint64
}

type photonSwapPumpAmmArgs struct {
	FromAmount uint64
	ToAmount   uint64
}

type pumpAmmBuyArgs struct {
	Amount     uint64
	MaxSolCost uint64
}

type boboBuyArgs struct {
	Placeholder1 uint64
	Placeholder2 uint64
	SolAmount    uint64
	Placeholder3 uint64
	Placeholder4 uint64
	Placeholder5 uint64
	Placeholder6 uint64
}

type qtkvBuyArgs struct {
	Placeholder uint64
	TokenNumber uint64
	SolAmount   uint64
}

type fjszBuyArgs struct {
	SolAmount   uint64
	TokenAmount uint64
}

var (
	versionedPool = sync.Pool{}
)

type compiledInstruction struct {
	ProgramIDIndex uint8
	AccountsLen    int
	AccountsOffset int
	DataOffset     int
	DataLen        int
}

func requireVersionedPool() *versionedTransaction {
	v := versionedPool.Get()
	if v == nil {
		return &versionedTransaction{
			TableLookups: make([]solana.PublicKey, 0, 16),
			Instrs:       make([]compiledInstruction, 0, 16),
			ATL:          make([]addressTableLookup, 0, 4),
		}
	}
	return v.(*versionedTransaction)
}

func releaseVersionedPool(v *versionedTransaction) {
	if v == nil {
		return
	}
	v.TableLookups = v.TableLookups[:0]
	v.Instrs = v.Instrs[:0]
	v.ATL = v.ATL[:0]
	v.bind = nil
	v.bindArray = nil
	v.signaturesOffset = 0
	v.signatures = 0
	v.instructions = 0
	v.addressTableLookups = 0
	v.staticAccountKeys = 0
	v.staticAccountKeysOffset = 0
	v.block = 0
	versionedPool.Put(v)
}

var VoteProgram = solana.MustPublicKeyFromBase58("Vote111111111111111111111111111111111111111")

type Stats struct {
	Start   time.Time
	FEC     time.Time
	Decoded time.Time
	Filter  time.Time
	Done    time.Time

	DataLen  int
	TxCount  int
	TxOffset int
}

// ParseEntries mirrors the Rust parse_transaction entry point.
func ParseEntries(slot uint64, entries []byte, loader *AddressTables, txCh chan<- TxSignal, stats bool) {
	var stat Stats
	if stats {
		stat.Start = time.Now()
		stat.FEC = time.Now()
	}
	versioned, err := entriesToVersionedTransaction(slot, newConstArray(entries))
	if err != nil || len(versioned) == 0 {
		if err != nil {
			logger.Warn("decoder: failed to parse entries to versioned transactions", "slot", slot, "error", err)
			for _, v := range versioned {
				releaseVersionedPool(v)
			}
		}
		return
	}

	// logger.Info("parsed entries to versioned transactions", "time", stat.Start.String(), "slot", slot, "txCount", len(versioned))
	if stats {
		stat.DataLen = len(entries)
		stat.TxCount = len(versioned)
	}
	//defer func() {
	//	for _, v := range versioned {
	//		releaseVersionedPool(v)
	//	}
	//}()
	stat.Decoded = time.Now()
	for k, vTx := range versioned {
		//if vTx.instructions >= 1 {
		//	programKey, _, _, _ := vTx.GetInstruction(0)
		//	if programKey.Equals(VoteProgram) && len(vTx.TableLookups) == 0 {
		//		releaseVersionedPool(vTx)
		//		return
		//	}
		//}
		go func(v *versionedTransaction, st Stats) {
			defer func() {
				releaseVersionedPool(v)
			}()

			include := false
			for i := uint8(0); i < v.staticAccountKeys; i++ {
				key, _ := v.GetAccount(i)
				_, include = slices.BinarySearchFunc(parseProgram, key, func(key solana.PublicKey, key2 solana.PublicKey) int {
					return bytes.Compare(key[:], key2[:])
				})
				if include {
					break
				}
			}
			if !include {
				return
			}

			st.Filter = time.Now()
			st.TxOffset = k
			// logger.Info("decode time", "tx", vTx.Signatures(), "s", time.Since(st.Start).String(), "idx", k, "txCount", len(versioned), "datLen", len(entries))
			parseTransaction(st, v, loader, txCh)
		}(vTx, stat)
	}
	return
}

// ParseTransaction mirrors the Rust parse_transaction entry point.
func ParseTransaction(update *SubscribeUpdateTransaction, loader *AddressTables, txCh chan<- TxSignal, stats bool) {
	var stat Stats
	if stats {
		stat.Start = time.Now()
	}
	versioned, err := toVersionedTransaction(update)
	if err != nil || versioned == nil || versioned.signatures == 0 {
		return
	}
	defer func() {
		releaseVersionedPool(versioned)
	}()
	parseTransaction(stat, versioned, loader, txCh)
}

type Handler struct {
	Func  func(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error)
	Label string
}

var (
	parsedMap = map[solana.PublicKey]Handler{
		pumpProgramID:          Handler{parsePumpInstruction, "pump"},
		azczProgramID:          Handler{parseAzczInstruction, "azcz"},
		f5tfProgramID:          Handler{parseF5tfInstruction, "f5tf"},
		flasProgramID:          Handler{parseFlasInstruction, "flas"},
		photonProgramID:        Handler{parsePhotonInstruction, "photon"},
		pumpAmmProgramID:       Handler{parsePumpAmmInstruction, "pumpamm"},
		boboProgramID:          Handler{parseBoboInstruction, "bobo"},
		qtkvProgramID:          Handler{parseQtkvInstruction, "qtkv"},
		fjszProgramID:          Handler{parseFjszInstruction, "fjsz"},
		terminalProgramID:      Handler{parseTermInstruction, "terminal"},
		jupiterV6ProgramID:     Handler{parseJupiterV6Instruction, "jupiterv6"},
		okxDexRouteV2ProgramID: Handler{parseOkxDexRouteV2Instruction, "okxdexroutev2"},
		dflowProgramID:         Handler{parseDFlowInstruction, "dflow"},
		gmgnProgramID:          Handler{parseGMGNInstruction, "gmgn"},
		bonkProgramID:          Handler{parseBonkInstruction, "bonk"},
	}
	parseProgram []solana.PublicKey
)

func init() {
	for account := range parsedMap {
		parseProgram = append(parseProgram, account)
	}

	slices.SortFunc(parseProgram, func(a, b solana.PublicKey) int {
		return bytes.Compare(a[:], b[:])
	})
}

func parseTransaction(stat Stats, versioned *versionedTransaction, loader *AddressTables, parsed chan<- TxSignal) {
	// staticKeys := versioned.Message.StaticAccountKeys
	if loader != nil && versioned.addressTableLookups > 0 {
		lookupTableOk := true
		for i := 0; i < versioned.addressTableLookups; i++ {
			lookups, idxs, _, err := versioned.GetAddressTableLookups(i)
			if err != nil {
				continue
			}
			if len(idxs) == 0 {
				continue
			}
			lookupTableOk = loader.FillToTx(versioned, lookups, idxs)
			if !lookupTableOk {
				break
			}
		}
		if lookupTableOk {
			for i := 0; i < versioned.addressTableLookups; i++ {

				lookups, _, idxs, err := versioned.GetAddressTableLookups(i)
				if err != nil {
					continue
				}
				if len(idxs) == 0 {
					continue
				}
				lookupTableOk = loader.FillToTx(versioned, lookups, idxs)
				if !lookupTableOk {
					break
				}
			}
		}
		// versioned.Message.StaticAccountKeys = staticKeys
	}

	//instructions := versioned.GetInstruction()

	for i := 0; i < versioned.GetInstructionLen(); i++ {
		programID, accounts, data, err := versioned.GetInstruction(i)
		if err != nil {
			continue
		}
		handler, ok := parsedMap[programID]
		if !ok {
			continue
		}
		txRes, err := handler.Func(versioned, accounts, data)
		appendParsed(stat, parsed, txRes, err, versioned, handler.Label)

	}

	return
}

func appendParsed(stat Stats, txCh chan<- TxSignal, parsed *TxSignal, err error, tx TransactionGetter, label string) {
	if err != nil {
		if !strings.HasPrefix(err.Error(), "account index") {
			logger.Debug("txparser: failed to parse", "label", label, "instruction", err, "tx_hash", tx.Signatures())
		}
		return
	}
	if parsed != nil {
		parsed.Label = label
		if !stat.Start.IsZero() {
			stat.Done = time.Now()
			parsed.Stats = stat
		}
		txCh <- *parsed
	} else {
		// logger.Debug("txparser: no parsed result", "label", label, "tx_hash", tx.Signatures())
	}
	return
}

func toVersionedTransaction(update *SubscribeUpdateTransaction) (*versionedTransaction, error) {
	if update == nil || update.Transaction == nil || update.Transaction.Message == nil {
		return nil, fmt.Errorf("transaction is nil")
	}
	protoTx := update.Transaction
	msg := protoTx.Message
	versioned := requireVersionedPool()
	versioned.signatures = len(protoTx.Signatures)
	versioned.instructions = len(msg.Instructions)
	versioned.addressTableLookups = len(msg.AddressTableLookups)
	versioned.staticAccountKeys = uint8(len(msg.AccountKeys))
	versioned.bind = update
	versioned.block = update.GetSlot()
	return versioned, nil
}

func formatTokenAmount(amount uint64) decimal.Decimal {
	val := decimal.NewFromBigInt(new(big.Int).SetUint64(amount), 0)
	return val.Div(decimal.NewFromInt(1_000_000))
}

func formatSolAmount(lamports uint64) decimal.Decimal {
	val := decimal.NewFromBigInt(new(big.Int).SetUint64(lamports), 0)
	return val.Div(decimal.NewFromInt(1_000_000_000))
}

func parsePumpInstruction(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(data) < 8 {
		return nil, fmt.Errorf("data is empty")
	}

	if matchMethod(data[0:8], pumpBuyV2TokensIX) || matchMethod(data[0:8], pumpBuyTokensIX) {
		return parsePumpBuy(tx, accounts, data)
	} else if matchMethod(data[0:8], pumpExtendedSellIX) {
		return parsePumpSell(tx, accounts, data)
	} else if matchMethod(data[0:8], pumpCreateCoinIX) {
		return parsePumpCreate(tx, accounts, data)
	} else if matchMethod(data[0:8], pumpCreateCoinV2IX) {
		return parsePumpCreateV2(tx, accounts, data)
	}
	return nil, nil

}

func parsePumpCreate(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 8 {
		return nil, fmt.Errorf("accounts too short")
	}

	mint, err := tx.GetAccount(accounts[0]) //getStaticKey(staticKeys, int(instruction.Accounts[0]))
	if err != nil {
		return nil, err
	}
	creator, err := tx.GetAccount(accounts[7]) //getStaticKey(staticKeys, int(instruction.Accounts[7]))
	if err != nil {
		return nil, err
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "pump",
		Maker:              creator.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       decimal.Zero,
		Token1Amount:       decimal.Zero,
		Program:            "Pump",
		Event:              "create",
		IsToken2022:        false,
		IsMayhemMode:       false,
		Block:              tx.Block(),
		Token0AmountUint64: 0,
		Token1AmountUint64: 0,
	}, nil
}

func parsePumpCreateV2(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 8 {
		return nil, fmt.Errorf("accounts too short")
	}
	if len(data) < 8 {
		return nil, fmt.Errorf("data too short for pump create v2 args, len=%d", len(data))
	}

	mint, err := tx.GetAccount(accounts[0]) //getStaticKey(staticKeys, int(instruction.Accounts[0]))
	if err != nil {
		return nil, err
	}
	tokenProgramKey, err := tx.GetAccount(accounts[7]) //getStaticKey(staticKeys, int(instruction.Accounts[7]))
	if err != nil {
		return nil, err
	}

	var args pumpCreateCoinV2Args
	if err := borsh.Deserialize(&args, data[8:]); err != nil {
		return nil, fmt.Errorf("failed to parse create coin v2 args: %w", err)
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "pump",
		Maker:              args.Creator.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       decimal.Zero,
		Token1Amount:       decimal.Zero,
		Program:            "Pump",
		Event:              "create",
		IsToken2022:        tokenProgramKey.String() != tokenProgram,
		IsMayhemMode:       args.IsMayhemMode,
		Block:              tx.Block(),
		Token0AmountUint64: 0,
		Token1AmountUint64: 0,
	}, nil
}

func decodePumpBuyArgs(data []byte) (uint64, uint64, error) {
	if len(data) < 9 {
		return 0, 0, fmt.Errorf("data too short for pump buy buy args, len=%d", len(data))
	}

	var args pumpBuyArgs
	if err := borsh.Deserialize(&args, data[8:]); err == nil {
		return args.Amount, args.MaxSolCost, nil
	}

	if len(data) >= 24 {
		amount := binary.LittleEndian.Uint64(data[8:16])
		maxSol := binary.LittleEndian.Uint64(data[16:24])
		return amount, maxSol, nil
	}

	return 0, 0, fmt.Errorf("failed to parse buy tokens args")
}

func parsePumpBuy(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	amount, sol, err := decodePumpBuyArgs(data)
	if err != nil {
		return nil, err
	}
	exactIn := false
	if matchMethod(data, pumpBuyV2TokensIX) {
		temp := amount
		amount = sol
		sol = temp
		exactIn = true
	}

	if len(accounts) < 7 {
		return nil, fmt.Errorf("accounts too short")
	}

	mint, err := tx.GetAccount(accounts[2])
	if err != nil {
		return nil, err
	}
	buyer, err := tx.GetAccount(accounts[6])
	if err != nil {
		return nil, err
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "pump",
		Maker:              buyer.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(amount),
		Token1Amount:       formatSolAmount(sol),
		Program:            "Pump",
		Event:              "buy",
		ExactSOL:           exactIn,
		IsToken2022:        false,
		IsMayhemMode:       false,
		Block:              tx.Block(),
		Token0AmountUint64: amount,
		Token1AmountUint64: sol,
	}, nil
}

func decodePumpSellArgs(data []byte) (uint64, uint64, error) {
	if len(data) < 9 {
		return 0, 0, fmt.Errorf("data too short for pump sell sell args, len=%d", len(data))
	}

	var args pumpExtendedSellArgs
	if err := borsh.Deserialize(&args, data[8:]); err == nil {
		return args.Amount, args.MinSolOutput, nil
	}

	if len(data) >= 24 {
		amount := binary.LittleEndian.Uint64(data[8:16])
		minSol := binary.LittleEndian.Uint64(data[16:24])
		return amount, minSol, nil
	}

	return 0, 0, fmt.Errorf("failed to parse sell tokens args")
}

func parsePumpSell(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	amount, minSol, err := decodePumpSellArgs(data)
	if err != nil {
		return nil, err
	}

	if len(accounts) < 7 {
		return nil, fmt.Errorf("accounts too short")
	}

	mint, err := tx.GetAccount(accounts[2])
	if err != nil {
		return nil, err
	}
	seller, err := tx.GetAccount(accounts[6])
	if err != nil {
		return nil, err
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "pump",
		Maker:              seller.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(amount),
		Token1Amount:       formatSolAmount(minSol),
		Program:            "Pump",
		Event:              "sell",
		IsToken2022:        false,
		IsMayhemMode:       false,
		Block:              tx.Block(),
		Token0AmountUint64: amount,
		Token1AmountUint64: minSol,
	}, nil
}

func parseAzczInstruction(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(data) == 0 {
		return nil, fmt.Errorf("data is empty")
	}

	if matchMethod(data, azczBuyTokensIX) {
		return parseAzczBuy(tx, accounts, data)
	} else if matchMethod(data, azczAmmBuyTokensIX) {
		return parseAzczAmmBuy(tx, accounts, data)
	}
	return nil, nil
}

func parseAzczAmmBuy(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 8 {
		return nil, fmt.Errorf("accounts too short")
	}

	mint, err := tx.GetAccount(accounts[3]) // getStaticKey(staticKeys, int(instruction.Accounts[3]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[1]) //getStaticKey(staticKeys, int(instruction.Accounts[1]))
	if err != nil {
		return nil, err
	}

	if len(data) < 17 {
		return nil, fmt.Errorf("data too short for azcz amm buy args, len=%d", len(data))
	}

	solAmount := binary.LittleEndian.Uint64(data[1:9])

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "azcz",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       decimal.Zero,
		Token1Amount:       formatSolAmount(solAmount),
		Program:            "Pump",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		ExactSOL:           true,
		Block:              tx.Block(),
		Token0AmountUint64: 0,
		Token1AmountUint64: solAmount,
	}, nil
}

func parseAzczBuy(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 8 {
		return nil, fmt.Errorf("accounts too short")
	}

	mint, err := tx.GetAccount(accounts[3]) //getStaticKey(staticKeys, int(instruction.Accounts[3]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[7]) //getStaticKey(staticKeys, int(instruction.Accounts[7]))
	if err != nil {
		return nil, err
	}

	if len(data) < 2 {
		return nil, fmt.Errorf("data too short for azcz buy args len=%d", len(data))
	}

	var args azczBuyArgs
	if err := borsh.Deserialize(&args, data[1:]); err != nil {
		return nil, fmt.Errorf("failed to parse buy tokens args: %w", err)
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "azcz",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(args.TokenAmount),
		Token1Amount:       formatSolAmount(args.SolAmount),
		Program:            "Pump",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		Block:              tx.Block(),
		Token0AmountUint64: args.TokenAmount,
		Token1AmountUint64: args.SolAmount,
	}, nil
}

func parseF5tfInstruction(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {

	if len(data) == 0 {
		return nil, fmt.Errorf("data is empty")
	}
	if !matchMethod(data, f5tfBuyTokensIX) {
		return nil, nil
	}

	if len(accounts) < 7 {
		return nil, fmt.Errorf("accounts too short")
	}

	mint, err := tx.GetAccount(accounts[2]) //getStaticKey(staticKeys, int(instruction.Accounts[2]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[6]) //getStaticKey(staticKeys, int(instruction.Accounts[6]))
	if err != nil {
		return nil, err
	}

	if len(data) < 2 {
		return nil, fmt.Errorf("data too short for f5tf buy args len=%d", len(data))
	}

	var args f5tfBuyArgs
	if err := borsh.Deserialize(&args, data[1:]); err != nil {
		return nil, fmt.Errorf("failed to parse buy tokens args: %w", err)
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "f5tf",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(args.TokenAmount),
		Token1Amount:       formatSolAmount(args.SolAmount),
		Program:            "Pump",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		Block:              tx.Block(),
		Token0AmountUint64: args.TokenAmount,
		Token1AmountUint64: args.SolAmount,
	}, nil
}

func parseFlasInstruction(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(data) == 0 {
		return nil, fmt.Errorf("data is empty")
	}
	if len(data) == 10 && data[0] == 1 {
		return nil, nil
	}
	if len(data) < 20 {
		return nil, fmt.Errorf("data too short for args flas instruction, len: %d", len(data))
	}
	methodData := data[17:20]
	//if !matchMethod(methodData, flasBuyTokensIX) {
	//	return nil, nil
	//}
	if matchMethod(methodData, flasBuyTokensIX) {
		return parseFlasBuy(tx, accounts, data)
	} else if matchMethod(methodData, flasSellTokensIX) {
		return parseFlasSell(tx, accounts, data)
	} else if matchMethod(methodData, flasAmmBuyTokensIX) {
		return parseFlasAmmBuy(tx, accounts, data)
	} else if matchMethod(methodData, flasAmmSellTokensIX) {
		return parseFlasAmmSell(tx, accounts, data)
	}
	return nil, nil
}

func parseFlasAmmSell(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 10 {
		return nil, fmt.Errorf("accounts too short")
	}

	mint, err := tx.GetAccount(accounts[9]) //getStaticKey(staticKeys, int(instruction.Accounts[9]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[1]) // getStaticKey(staticKeys, int(instruction.Accounts[1]))
	if err != nil {
		return nil, err
	}

	var args flasArgs
	if err := borsh.Deserialize(&args, data[1:]); err != nil {
		return nil, fmt.Errorf("failed to parse buy tokens args: %w", err)
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "flas",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(args.Amount1),
		Token1Amount:       formatSolAmount(args.Amount2),
		Program:            "PumpAMM",
		Event:              "sell",
		IsToken2022:        false,
		IsMayhemMode:       false,
		ExactSOL:           false,
		Block:              tx.Block(),
		Token0AmountUint64: args.Amount1,
		Token1AmountUint64: args.Amount2,
	}, nil
}

func parseFlasAmmBuy(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 10 {
		return nil, fmt.Errorf("accounts too short")
	}

	mint, err := tx.GetAccount(accounts[9]) //getStaticKey(staticKeys, int(instruction.Accounts[9]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[1]) // getStaticKey(staticKeys, int(instruction.Accounts[1]))
	if err != nil {
		return nil, err
	}

	var args flasArgs
	if err := borsh.Deserialize(&args, data[1:]); err != nil {
		return nil, fmt.Errorf("failed to parse buy tokens args: %w", err)
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "flas",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       decimal.Zero,
		Token1Amount:       formatSolAmount(args.Amount1),
		Program:            "PumpAMM",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		ExactSOL:           true,
		Block:              tx.Block(),
		Token0AmountUint64: 0,
		Token1AmountUint64: args.Amount1,
	}, nil
}

func parseFlasSell(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 9 {
		return nil, fmt.Errorf("accounts too short")
	}

	mint, err := tx.GetAccount(accounts[8]) //getStaticKey(staticKeys, int(instruction.Accounts[8]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[1]) //getStaticKey(staticKeys, int(instruction.Accounts[1]))
	if err != nil {
		return nil, err
	}

	var args flasArgs
	if err := borsh.Deserialize(&args, data[1:]); err != nil {
		return nil, fmt.Errorf("failed to parse buy tokens args: %w", err)
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "flas",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(args.Amount1),
		Token1Amount:       formatSolAmount(args.Amount2),
		Program:            "Pump",
		Event:              "sell",
		IsToken2022:        false,
		IsMayhemMode:       false,
		Block:              tx.Block(),
		Token0AmountUint64: args.Amount1,
		Token1AmountUint64: args.Amount2,
	}, nil
}

func parseFlasBuy(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 9 {
		return nil, fmt.Errorf("accounts too short")
	}

	mint, err := tx.GetAccount(accounts[8]) //getStaticKey(staticKeys, int(instruction.Accounts[8]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[0]) //getStaticKey(staticKeys, int(instruction.Accounts[0]))
	if err != nil {
		return nil, err
	}
	if len(data) > 20 {
		data = data[:20]
	}
	var args flasArgs
	if err := borsh.Deserialize(&args, data[1:]); err != nil {
		return nil, fmt.Errorf("failed to parse buy tokens args: %w", err)
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "flas",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(args.Amount2),
		Token1Amount:       formatSolAmount(args.Amount1),
		Program:            "Pump",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		ExactSOL:           true,
		Block:              tx.Block(),
		Token0AmountUint64: args.Amount2,
		Token1AmountUint64: args.Amount1,
	}, nil
}

func parseGMGNInstruction(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {

	if len(data) == 0 {
		return nil, fmt.Errorf("data is empty")
	}
	if len(data) < 8 {
		return nil, nil
	}

	if matchMethod(data, gmgnBuyTokensIX) {
		return parseGMGNBuy(tx, accounts, data)
	}
	return nil, nil
}

func parseGMGNBuy(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 8 {
		return nil, fmt.Errorf("accounts too short")
	}
	if len(data) < 24 {
		return nil, fmt.Errorf("data too short for gmgn buy args, len=%d", len(data))
	}

	mint, err := tx.GetAccount(accounts[2]) //getStaticKey(staticKeys, int(instruction.Accounts[2]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[6]) //getStaticKey(staticKeys, int(instruction.Accounts[6]))
	if err != nil {
		return nil, err
	}

	solAmount := binary.LittleEndian.Uint64(data[8:16])
	tokenAmount := binary.LittleEndian.Uint64(data[16:24])

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "gmgn",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(tokenAmount),
		Token1Amount:       formatSolAmount(solAmount),
		Program:            "Pump",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		ExactSOL:           true,
		Block:              tx.Block(),
		Token0AmountUint64: tokenAmount,
		Token1AmountUint64: solAmount,
	}, nil
}

func parsePhotonInstruction(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {

	if len(data) == 0 {
		return nil, fmt.Errorf("data is empty")
	}
	if len(data) < 8 {
		return nil, nil
	}

	switch {
	case bytes.Equal(data[:8], photonBuyPumpTokensIX):
		return parsePhotonBuy(tx, accounts, data)
	case bytes.Equal(data[:8], photonSwapPumpAmmIX):
		return parsePhotonSwap(tx, accounts, data)
	default:
		return nil, nil
	}
}

func parsePhotonBuy(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 8 {
		return nil, fmt.Errorf("accounts too short")
	}
	if len(data) < 16 {
		return nil, fmt.Errorf("data too short for photon buy args, len=%d", len(data))
	}

	mint, err := tx.GetAccount(accounts[3]) //getStaticKey(staticKeys, int(instruction.Accounts[3]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[7]) //getStaticKey(staticKeys, int(instruction.Accounts[7]))
	if err != nil {
		return nil, err
	}

	var args photonBuyPumpArgs
	if err := borsh.Deserialize(&args, data[8:]); err != nil {
		return nil, fmt.Errorf("failed to parse buy tokens args: %w", err)
	}

	solAmount := args.SolAmount * (100000000 - 1234568) / 100000000
	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "photon",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(args.TokenAmount),
		Token1Amount:       formatSolAmount(solAmount),
		Program:            "Pump",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		ExactSOL:           true,
		Block:              tx.Block(),
		Token0AmountUint64: args.TokenAmount,
		Token1AmountUint64: solAmount,
	}, nil
}

func parsePhotonSwap(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 8 {
		return nil, fmt.Errorf("accounts too short")
	}
	if len(data) < 16 {
		return nil, fmt.Errorf("data too short for swap args for photon. len=%d", len(data))
	}

	base, err := tx.GetAccount(accounts[3]) //getStaticKey(staticKeys, int(instruction.Accounts[3]))
	if err != nil {
		return nil, err
	}

	quote, err := tx.GetAccount(accounts[4]) //getStaticKey(staticKeys, int(instruction.Accounts[4]))
	if err != nil {
		return nil, err
	}
	if !quote.Equals(solana.WrappedSol) {
		return nil, nil
	}

	buyer, err := tx.GetAccount(accounts[1]) //getStaticKey(staticKeys, int(instruction.Accounts[1]))
	if err != nil {
		return nil, err
	}

	var args photonSwapPumpAmmArgs
	if err := borsh.Deserialize(&args, data[8:]); err != nil {
		return nil, fmt.Errorf("failed to parse swap pump amm tokens args: %w", err)
	}

	if args.FromAmount > args.ToAmount {
		// sell; ignore
		return nil, nil
	}

	solAmount := args.FromAmount * (100000000 - 1234568) / 100000000
	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "photon",
		Maker:              buyer.String(),
		Token0Address:      base.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(args.ToAmount),
		Token1Amount:       formatSolAmount(solAmount),
		Program:            "PumpAMM",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		Block:              tx.Block(),
		Token0AmountUint64: args.ToAmount,
		Token1AmountUint64: solAmount,
	}, nil
}

func parsePumpAmmInstruction(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {

	if len(data) == 0 {
		return nil, fmt.Errorf("data is empty")
	}

	if matchMethod(data, pumpAmmBuyTokensIX) || matchMethod(data, pumpAmmBuyTokensV2IX) {
		return parsePumpAmmBuy(tx, accounts, data)
	} else if matchMethod(data, pumpAmmSellTokensIX) {
		return parsePumpAmmSell(tx, accounts, data)
	}

	return nil, nil

}

func parseTermInstruction(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {

	if len(data) == 0 {
		return nil, fmt.Errorf("data is empty")
	}
	if len(data) < 24 {
		return nil, nil
	}

	switch {
	case bytes.Equal(data[:8], terminalBuyTokensIX):
		return parseTermBuy(tx, accounts, data)
	case bytes.Equal(data[:8], terminalSellTokensIX):
		return parseTermSell(tx, accounts, data)
	case bytes.Equal(data[:8], terminalAmmSellTokensIX):
		return parseTermAmmSell(tx, accounts, data)
	default:
		return nil, nil
	}
}

func parseTermAmmSell(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 8 {
		return nil, fmt.Errorf("accounts too short")
	}
	mint, err := tx.GetAccount(accounts[3]) //getStaticKey(staticKeys, int(instruction.Accounts[3]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[1]) //getStaticKey(staticKeys, int(instruction.Accounts[1]))
	if err != nil {
		return nil, err
	}

	solAmount := binary.LittleEndian.Uint64(data[8:16])
	tokenAmount := binary.LittleEndian.Uint64(data[16:24])

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "term",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(tokenAmount),
		Token1Amount:       formatSolAmount(solAmount),
		Program:            "Pump",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		ExactSOL:           true,
		Block:              tx.Block(),
		Token0AmountUint64: tokenAmount,
		Token1AmountUint64: solAmount,
	}, nil
}

func parseTermBuy(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 8 {
		return nil, fmt.Errorf("accounts too short")
	}
	mint, err := tx.GetAccount(accounts[2]) // getStaticKey(staticKeys, int(instruction.Accounts[2]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[6]) // getStaticKey(staticKeys, int(instruction.Accounts[6]))
	if err != nil {
		return nil, err
	}

	solAmount := binary.LittleEndian.Uint64(data[8:16])
	tokenAmount := binary.LittleEndian.Uint64(data[16:24])

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "term",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(tokenAmount),
		Token1Amount:       formatSolAmount(solAmount),
		Program:            "Pump",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		ExactSOL:           true,
		Block:              tx.Block(),
		Token0AmountUint64: tokenAmount,
		Token1AmountUint64: solAmount,
	}, nil
}

func parseTermSell(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 8 {
		return nil, fmt.Errorf("accounts too short")
	}
	mint, err := tx.GetAccount(accounts[2]) //getStaticKey(staticKeys, int(instruction.Accounts[2]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[6]) //getStaticKey(staticKeys, int(instruction.Accounts[6]))
	if err != nil {
		return nil, err
	}

	tokenAmount := binary.LittleEndian.Uint64(data[8:16])
	solAmount := binary.LittleEndian.Uint64(data[16:24])

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "term",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(tokenAmount),
		Token1Amount:       formatSolAmount(solAmount),
		Program:            "Pump",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		ExactSOL:           false,
		Block:              tx.Block(),
		Token0AmountUint64: tokenAmount,
		Token1AmountUint64: solAmount,
	}, nil
}

func decodePumpAmmBuyArgs(data []byte) (uint64, uint64, error) {
	if len(data) < 9 {
		return 0, 0, fmt.Errorf("data too short for pump amm buy args, len=%d", len(data))
	}

	var args pumpAmmBuyArgs
	if err := borsh.Deserialize(&args, data[8:]); err == nil {
		return args.Amount, args.MaxSolCost, nil
	}

	if len(data) >= 24 {
		amount := binary.LittleEndian.Uint64(data[8:16])
		maxSol := binary.LittleEndian.Uint64(data[16:24])
		return amount, maxSol, nil
	}

	return 0, 0, fmt.Errorf("failed to parse buy tokens args")
}

func parsePumpAmmBuy(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	amount, maxSol, err := decodePumpAmmBuyArgs(data)
	if err != nil {
		return nil, err
	}
	exactIn := false
	if matchMethod(data, pumpAmmBuyTokensV2IX) {
		temp := amount
		amount = maxSol
		maxSol = temp
		exactIn = true
	}

	if len(accounts) < 7 {
		return nil, fmt.Errorf("accounts too short")
	}

	base, err := tx.GetAccount(accounts[3]) //getStaticKey(staticKeys, int(instruction.Accounts[3]))
	if err != nil {
		return nil, err
	}
	quote, err := tx.GetAccount(accounts[4]) //getStaticKey(staticKeys, int(instruction.Accounts[4]))
	if err != nil {
		return nil, err
	}
	if !quote.Equals(solana.WrappedSol) {
		return nil, nil
	}

	buyer, err := tx.GetAccount(accounts[1]) //getStaticKey(staticKeys, int(instruction.Accounts[1]))
	if err != nil {
		return nil, err
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "pumpamm",
		Maker:              buyer.String(),
		Token0Address:      base.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(amount),
		Token1Amount:       formatSolAmount(maxSol),
		Program:            "PumpAMM",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		ExactSOL:           exactIn,
		Block:              tx.Block(),
		Token0AmountUint64: amount,
		Token1AmountUint64: maxSol,
	}, nil
}

func parsePumpAmmSell(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	amount, minSol, err := decodePumpAmmBuyArgs(data)
	if err != nil {
		return nil, err
	}

	if len(accounts) < 7 {
		return nil, fmt.Errorf("accounts too short")
	}

	base, err := tx.GetAccount(accounts[3]) // getStaticKey(staticKeys, int(instruction.Accounts[3]))
	if err != nil {
		return nil, err
	}
	quote, err := tx.GetAccount(accounts[4]) //getStaticKey(staticKeys, int(instruction.Accounts[4]))
	if err != nil {
		return nil, err
	}
	if !quote.Equals(solana.WrappedSol) {
		return nil, nil
	}

	buyer, err := tx.GetAccount(accounts[1]) //getStaticKey(staticKeys, int(instruction.Accounts[1]))
	if err != nil {
		return nil, err
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "pumpamm",
		Maker:              buyer.String(),
		Token0Address:      base.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(amount),
		Token1Amount:       formatSolAmount(minSol),
		Program:            "PumpAMM",
		Event:              "sell",
		IsToken2022:        false,
		IsMayhemMode:       false,
		Block:              tx.Block(),
		Token0AmountUint64: amount,
		Token1AmountUint64: minSol,
	}, nil
}

func parseBoboInstruction(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {

	if len(data) == 0 {
		return nil, fmt.Errorf("data is empty")
	}
	if len(data) < 8 || !bytes.Equal(data[:8], boboBuyPumpTokensIX) {
		return nil, nil
	}

	if len(accounts) < 8 {
		return nil, fmt.Errorf("accounts too short")
	}
	if len(data) < 16 {
		return nil, fmt.Errorf("data too short for bobo buy args, len=%d", len(data))
	}

	mint, err := tx.GetAccount(accounts[2]) //getStaticKey(staticKeys, int(instruction.Accounts[2]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[6]) // getStaticKey(staticKeys, int(instruction.Accounts[6]))
	if err != nil {
		return nil, err
	}

	var args boboBuyArgs
	if err := borsh.Deserialize(&args, data[8:]); err != nil {
		return nil, fmt.Errorf("failed to parse buy tokens args: %w", err)
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "bobo",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       decimal.NewFromInt(1),
		Token1Amount:       formatSolAmount(args.SolAmount),
		Program:            "Pump",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		Block:              tx.Block(),
		Token0AmountUint64: 1,
		Token1AmountUint64: args.SolAmount,
	}, nil
}

func parseQtkvInstruction(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {

	if len(data) == 0 {
		return nil, fmt.Errorf("data is empty")
	}

	if matchMethod(data, qtkvBuyTokensIX) {
		return parseQtkvBuy(tx, accounts, data)
	} else if matchMethod(data, qtkvAmmSellTokensIX) {
		return parseQtkvAmmSell(tx, accounts, data)
	} else if matchMethod(data, qtkvSellTokensIX) {
		return parseQtkvSell(tx, accounts, data)
	}

	return nil, nil
}

func parseQtkvSell(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 11 {
		return nil, fmt.Errorf("accounts too short")
	}
	if len(data) < 24 {
		return nil, fmt.Errorf("data too short for qtkv sell args, len=%d", len(data))
	}

	mint, err := tx.GetAccount(accounts[10]) //getStaticKey(staticKeys, int(instruction.Accounts[10]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[0]) //getStaticKey(staticKeys, int(instruction.Accounts[0]))
	if err != nil {
		return nil, err
	}

	// in sell, sol amount is not directly provided, so we set it to 0
	tokenAmount := binary.LittleEndian.Uint64(data[19:25])
	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "qtkv",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(tokenAmount),
		Token1Amount:       decimal.Zero,
		Program:            "Pump",
		Event:              "sell",
		IsToken2022:        false,
		IsMayhemMode:       false,
		Block:              tx.Block(),
		Token0AmountUint64: tokenAmount,
		Token1AmountUint64: 0,
	}, nil
}

func parseQtkvAmmSell(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 11 {
		return nil, fmt.Errorf("accounts too short")
	}
	if len(data) < 24 {
		return nil, fmt.Errorf("data too short for qtkv amm sell args, len=%d", len(data))
	}

	mint, err := tx.GetAccount(accounts[10]) //getStaticKey(staticKeys, int(instruction.Accounts[10]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[0]) //getStaticKey(staticKeys, int(instruction.Accounts[0]))
	if err != nil {
		return nil, err
	}

	// in sell, sol amount is not directly provided, so we set it to 0
	tokenAmount := binary.LittleEndian.Uint64(data[19:25])
	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "qtkv",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(tokenAmount),
		Token1Amount:       decimal.Zero,
		Program:            "PumpAMM",
		Event:              "sell",
		IsToken2022:        false,
		IsMayhemMode:       false,
		Block:              tx.Block(),
		Token0AmountUint64: tokenAmount,
		Token1AmountUint64: 0,
	}, nil
}

func parseQtkvBuy(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 8 {
		return nil, fmt.Errorf("accounts too short")
	}

	mint, err := tx.GetAccount(accounts[3]) //getStaticKey(staticKeys, int(instruction.Accounts[3]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[0]) // getStaticKey(staticKeys, int(instruction.Accounts[0]))
	if err != nil {
		return nil, err
	}

	var args qtkvBuyArgs
	if err := borsh.Deserialize(&args, data[1:]); err != nil {
		return nil, fmt.Errorf("failed to parse buy tokens args: %w", err)
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "qtkv",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(args.TokenNumber),
		Token1Amount:       formatSolAmount(args.SolAmount),
		Program:            "Pump",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		Block:              tx.Block(),
		Token0AmountUint64: args.TokenNumber,
		Token1AmountUint64: args.SolAmount,
	}, nil
}

func parseFjszInstruction(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {

	if len(data) == 0 {
		return nil, fmt.Errorf("data is empty")
	}

	if !matchMethod(data, fjszBuyTokensIX) {
		return nil, nil
	}
	if len(accounts) < 7 {
		return nil, fmt.Errorf("accounts too short")
	}
	if len(data) < 16 {
		return nil, fmt.Errorf("data too short for fjzs buy args, len=%d", len(data))
	}

	mint, err := tx.GetAccount(accounts[2]) //getStaticKey(staticKeys, int(instruction.Accounts[2]))
	if err != nil {
		return nil, err
	}
	user, err := tx.GetAccount(accounts[6]) //getStaticKey(staticKeys, int(instruction.Accounts[6]))
	if err != nil {
		return nil, err
	}

	var args fjszBuyArgs
	if err := borsh.Deserialize(&args, data[8:]); err != nil {
		return nil, fmt.Errorf("failed to parse buy tokens args: %w", err)
	}

	return &TxSignal{
		TxHash:             tx.Signatures(),
		Label:              "fjsz",
		Maker:              user.String(),
		Token0Address:      mint.String(),
		Token1Address:      wsolMint,
		Token0Amount:       formatTokenAmount(args.TokenAmount),
		Token1Amount:       formatSolAmount(args.SolAmount),
		Program:            "Pump",
		Event:              "buy",
		IsToken2022:        false,
		IsMayhemMode:       false,
		Block:              tx.Block(),
		Token0AmountUint64: args.TokenAmount,
		Token1AmountUint64: args.SolAmount,
	}, nil
}

func parseBonkInstruction(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {

	if len(data) == 0 {
		return nil, fmt.Errorf("data is empty")
	}

	if matchMethod(data, bonkBuyAndSellTokensIX) {
		return parseBonkBuyAndSell(tx, accounts, data)
	}

	return nil, nil
}

func parseBonkBuyAndSell(tx TransactionGetter, accounts []uint8, data []byte) (*TxSignal, error) {
	if len(accounts) < 8 {
		return nil, fmt.Errorf("accounts too short")
	}
	programId, err := tx.GetAccount(accounts[7]) //getStaticKey(staticKeys, int(instruction.Accounts[7]))
	if err != nil {
		return nil, err
	}
	if programId != pumpProgramID {
		return nil, nil
	}

	user, err := tx.GetAccount(accounts[0]) //getStaticKey(staticKeys, int(instruction.Accounts[0]))
	if err != nil {
		return nil, err
	}

	flagAccount, err := tx.GetAccount(accounts[4]) //getStaticKey(staticKeys, int(instruction.Accounts[4]))
	if err != nil {
		return nil, err
	}

	amount1 := binary.LittleEndian.Uint64(data[17:25])
	amount2 := binary.LittleEndian.Uint64(data[25:33])

	if user == flagAccount {
		mint, err := tx.GetAccount(accounts[6]) // getStaticKey(staticKeys, int(instruction.Accounts[6]))
		if err != nil {
			return nil, err
		}

		return &TxSignal{
			TxHash:             tx.Signatures(),
			Label:              "bonk",
			Maker:              user.String(),
			Token0Address:      mint.String(),
			Token1Address:      wsolMint,
			Token0Amount:       formatTokenAmount(amount2),
			Token1Amount:       formatSolAmount(amount1),
			Program:            "Pump",
			Event:              "buy",
			IsToken2022:        false,
			IsMayhemMode:       false,
			ExactSOL:           true,
			Block:              tx.Block(),
			Token0AmountUint64: amount2,
			Token1AmountUint64: amount1,
		}, nil
	} else {
		mint, err := tx.GetAccount(accounts[5]) //getStaticKey(staticKeys, int(instruction.Accounts[5]))
		if err != nil {
			return nil, err
		}

		return &TxSignal{
			TxHash:             tx.Signatures(),
			Label:              "bonk",
			Maker:              user.String(),
			Token0Address:      mint.String(),
			Token1Address:      wsolMint,
			Token0Amount:       formatTokenAmount(amount1),
			Token1Amount:       formatSolAmount(amount2),
			Program:            "Pump",
			Event:              "sell",
			IsToken2022:        false,
			IsMayhemMode:       false,
			ExactSOL:           false,
			Block:              tx.Block(),
			Token0AmountUint64: amount1,
			Token1AmountUint64: amount2,
		}, nil
	}
}

func matchMethod(data []byte, methods []byte) bool {
	if len(data) < len(methods) {
		return false
	}
	return bytes.Equal(data[0:len(methods)], methods)
}