mev-beta/pkg/arbitrum/protocol_parsers.go

package arbitrum

import (
	"context"
	"fmt"
	"math/big"
	"strings"
	"time"

	"github.com/ethereum/go-ethereum/accounts/abi"
	"github.com/ethereum/go-ethereum/common"
	"github.com/ethereum/go-ethereum/core/types"
	"github.com/ethereum/go-ethereum/crypto"
	"github.com/ethereum/go-ethereum/rpc"
	"github.com/fraktal/mev-beta/internal/logger"
	"github.com/fraktal/mev-beta/pkg/security"
)

// BaseProtocolParser provides common functionality for all protocol parsers
type BaseProtocolParser struct {
	client   *rpc.Client
	logger   *logger.Logger
	protocol Protocol
	abi      abi.ABI

	// Contract addresses for this protocol
	contracts map[ContractType][]common.Address

	// Function and event signatures
	functionSigs map[string]*FunctionSignature
	eventSigs    map[common.Hash]*EventSignature
}

// NewBaseProtocolParser creates a new base protocol parser
func NewBaseProtocolParser(client *rpc.Client, logger *logger.Logger, protocol Protocol) *BaseProtocolParser {
	return &BaseProtocolParser{
		client:       client,
		logger:       logger,
		protocol:     protocol,
		contracts:    make(map[ContractType][]common.Address),
		functionSigs: make(map[string]*FunctionSignature),
		eventSigs:    make(map[common.Hash]*EventSignature),
	}
}

// Common interface methods implementation

func (p *BaseProtocolParser) GetProtocol() Protocol {
	return p.protocol
}

func (p *BaseProtocolParser) IsKnownContract(address common.Address) bool {
	for _, contracts := range p.contracts {
		for _, contract := range contracts {
			if contract == address {
				return true
			}
		}
	}
	return false
}

func (p *BaseProtocolParser) ValidateEvent(event *EnhancedDEXEvent) error {
	if event == nil {
		return fmt.Errorf("event is nil")
	}

	if event.Protocol != p.protocol {
		return fmt.Errorf("event protocol %s does not match parser protocol %s", event.Protocol, p.protocol)
	}

	if event.AmountIn != nil && event.AmountIn.Sign() < 0 {
		return fmt.Errorf("negative amount in")
	}

	if event.AmountOut != nil && event.AmountOut.Sign() < 0 {
		return fmt.Errorf("negative amount out")
	}

	return nil
}

// Helper methods

func (p *BaseProtocolParser) decodeLogData(log *types.Log, eventABI *abi.Event) (map[string]interface{}, error) {
	// Decode indexed topics
	indexed := make(map[string]interface{})
	nonIndexed := make(map[string]interface{})

	topicIndex := 1 // Skip topic[0] which is the event signature
	for _, input := range eventABI.Inputs {
		if input.Indexed {
			if topicIndex < len(log.Topics) {
				value := abi.ConvertType(log.Topics[topicIndex], input.Type)
				indexed[input.Name] = value
				topicIndex++
			}
		}
	}

	// Decode non-indexed data
	if len(log.Data) > 0 {
		nonIndexedInputs := abi.Arguments{}
		for _, input := range eventABI.Inputs {
			if !input.Indexed {
				nonIndexedInputs = append(nonIndexedInputs, input)
			}
		}

		if len(nonIndexedInputs) > 0 {
			values, err := nonIndexedInputs.Unpack(log.Data)
			if err != nil {
				return nil, fmt.Errorf("failed to decode log data: %w", err)
			}

			for i, input := range nonIndexedInputs {
				if i < len(values) {
					nonIndexed[input.Name] = values[i]
				}
			}
		}
	}

	// Merge indexed and non-indexed
	result := make(map[string]interface{})
	for k, v := range indexed {
		result[k] = v
	}
	for k, v := range nonIndexed {
		result[k] = v
	}

	return result, nil
}

func (p *BaseProtocolParser) decodeFunctionData(data []byte, functionABI *abi.Method) (map[string]interface{}, error) {
	if len(data) < 4 {
		return nil, fmt.Errorf("data too short")
	}

	// Remove function selector
	paramData := data[4:]

	values, err := functionABI.Inputs.Unpack(paramData)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack function data: %w", err)
	}

	result := make(map[string]interface{})
	for i, input := range functionABI.Inputs {
		if i < len(values) {
			result[input.Name] = values[i]
		}
	}

	return result, nil
}

// UniswapV2Parser implements DEXParserInterface for Uniswap V2
type UniswapV2Parser struct {
	*BaseProtocolParser
}

// NewUniswapV2Parser creates a new Uniswap V2 parser
func NewUniswapV2Parser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolUniswapV2)
	parser := &UniswapV2Parser{BaseProtocolParser: base}

	// Initialize Uniswap V2 specific data
	parser.initializeUniswapV2()

	return parser
}

func (p *UniswapV2Parser) initializeUniswapV2() {
	// Contract addresses
	p.contracts[ContractTypeFactory] = []common.Address{
		common.HexToAddress("0xf1D7CC64Fb4452F05c498126312eBE29f30Fbcf9"), // Uniswap V2 Factory
	}
	p.contracts[ContractTypeRouter] = []common.Address{
		common.HexToAddress("0x4752ba5dbc23f44d87826276bf6fd6b1c372ad24"), // Uniswap V2 Router
	}

	// Function signatures
	p.functionSigs["0x38ed1739"] = &FunctionSignature{
		Selector:     [4]byte{0x38, 0xed, 0x17, 0x39},
		Name:         "swapExactTokensForTokens",
		Protocol:     ProtocolUniswapV2,
		ContractType: ContractTypeRouter,
		EventType:    EventTypeSwap,
		Description:  "Swap exact tokens for tokens",
	}

	p.functionSigs["0x8803dbee"] = &FunctionSignature{
		Selector:     [4]byte{0x88, 0x03, 0xdb, 0xee},
		Name:         "swapTokensForExactTokens",
		Protocol:     ProtocolUniswapV2,
		ContractType: ContractTypeRouter,
		EventType:    EventTypeSwap,
		Description:  "Swap tokens for exact tokens",
	}

	// Event signatures
	swapTopic := crypto.Keccak256Hash([]byte("Swap(address,uint256,uint256,uint256,uint256,address)"))
	p.eventSigs[swapTopic] = &EventSignature{
		Topic0:      swapTopic,
		Name:        "Swap",
		Protocol:    ProtocolUniswapV2,
		EventType:   EventTypeSwap,
		Description: "Uniswap V2 swap event",
	}

	pairCreatedTopic := crypto.Keccak256Hash([]byte("PairCreated(address,address,address,uint256)"))
	p.eventSigs[pairCreatedTopic] = &EventSignature{
		Topic0:      pairCreatedTopic,
		Name:        "PairCreated",
		Protocol:    ProtocolUniswapV2,
		EventType:   EventTypePoolCreated,
		Description: "Uniswap V2 pair created event",
	}

	// Load ABI
	p.loadUniswapV2ABI()
}

func (p *UniswapV2Parser) loadUniswapV2ABI() {
	abiJSON := `[
		{
			"name": "swapExactTokensForTokens",
			"type": "function",
			"inputs": [
				{"name": "amountIn", "type": "uint256"},
				{"name": "amountOutMin", "type": "uint256"},
				{"name": "path", "type": "address[]"},
				{"name": "to", "type": "address"},
				{"name": "deadline", "type": "uint256"}
			]
		},
		{
			"name": "Swap",
			"type": "event",
			"inputs": [
				{"name": "sender", "type": "address", "indexed": true},
				{"name": "amount0In", "type": "uint256", "indexed": false},
				{"name": "amount1In", "type": "uint256", "indexed": false},
				{"name": "amount0Out", "type": "uint256", "indexed": false},
				{"name": "amount1Out", "type": "uint256", "indexed": false},
				{"name": "to", "type": "address", "indexed": true}
			]
		},
		{
			"name": "PairCreated",
			"type": "event",
			"inputs": [
				{"name": "token0", "type": "address", "indexed": true},
				{"name": "token1", "type": "address", "indexed": true},
				{"name": "pair", "type": "address", "indexed": false},
				{"name": "allPairsLength", "type": "uint256", "indexed": false}
			]
		}
	]`

	var err error
	p.abi, err = abi.JSON(strings.NewReader(abiJSON))
	if err != nil {
		p.logger.Error(fmt.Sprintf("Failed to load Uniswap V2 ABI: %v", err))
	}
}

func (p *UniswapV2Parser) GetSupportedEventTypes() []EventType {
	return []EventType{EventTypeSwap, EventTypeLiquidityAdd, EventTypeLiquidityRemove, EventTypePoolCreated}
}

func (p *UniswapV2Parser) GetSupportedContractTypes() []ContractType {
	return []ContractType{ContractTypeRouter, ContractTypeFactory, ContractTypePool}
}

func (p *UniswapV2Parser) GetContractInfo(address common.Address) (*ContractInfo, error) {
	for contractType, addresses := range p.contracts {
		for _, addr := range addresses {
			if addr == address {
				return &ContractInfo{
					Address:      address,
					ContractType: contractType,
					Protocol:     ProtocolUniswapV2,
					Name:         fmt.Sprintf("Uniswap V2 %s", contractType),
				}, nil
			}
		}
	}
	return nil, fmt.Errorf("unknown Uniswap V2 contract: %s", address.Hex())
}

func (p *UniswapV2Parser) ParseTransactionLogs(tx *types.Transaction, receipt *types.Receipt) ([]*EnhancedDEXEvent, error) {
	var events []*EnhancedDEXEvent

	for _, log := range receipt.Logs {
		if event, err := p.ParseLog(log); err == nil && event != nil {
			events = append(events, event)
		}
	}

	return events, nil
}

func (p *UniswapV2Parser) ParseLog(log *types.Log) (*EnhancedDEXEvent, error) {
	if len(log.Topics) == 0 {
		return nil, fmt.Errorf("log has no topics")
	}

	eventSig, exists := p.eventSigs[log.Topics[0]]
	if !exists {
		return nil, fmt.Errorf("unknown event signature")
	}

	event := &EnhancedDEXEvent{
		Protocol:        p.protocol,
		EventType:       eventSig.EventType,
		ContractAddress: log.Address,
		RawLogData:      log.Data,
		RawTopics:       log.Topics,
		IsValid:         true,
	}

	switch eventSig.Name {
	case "Swap":
		return p.parseSwapEvent(log, event)
	case "PairCreated":
		return p.parsePairCreatedEvent(log, event)
	default:
		return nil, fmt.Errorf("unsupported event: %s", eventSig.Name)
	}
}

func (p *UniswapV2Parser) parseSwapEvent(log *types.Log, event *EnhancedDEXEvent) (*EnhancedDEXEvent, error) {
	swapEvent := p.abi.Events["Swap"]
	decoded, err := p.decodeLogData(log, &swapEvent)
	if err != nil {
		return nil, fmt.Errorf("failed to decode swap event: %w", err)
	}

	event.PoolAddress = log.Address
	event.DecodedParams = decoded

	// Extract sender from indexed topics
	if len(log.Topics) > 1 {
		event.Sender = common.BytesToAddress(log.Topics[1].Bytes())
	}

	// Extract token addresses from pool contract (need to query pool for token0/token1)
	if err := p.enrichPoolTokens(event); err != nil {
		p.logger.Debug(fmt.Sprintf("Failed to get pool tokens: %v", err))
	}

	// Extract factory address (standard V2 factory)
	event.FactoryAddress = common.HexToAddress("0xf1D7CC64Fb4452F05c498126312eBE29f30Fbcf9")

	// Set router address if called through router
	event.RouterAddress = common.HexToAddress("0x4752ba5dbc23f44d87826276bf6fd6b1c372ad24")

	// Extract amounts with proper logic
	if amount0In, ok := decoded["amount0In"].(*big.Int); ok {
		if amount1In, ok := decoded["amount1In"].(*big.Int); ok {
			if amount0In.Sign() > 0 {
				event.AmountIn = amount0In
				event.TokenIn = event.Token0
			} else if amount1In.Sign() > 0 {
				event.AmountIn = amount1In
				event.TokenIn = event.Token1
			}
		}
	}

	if amount0Out, ok := decoded["amount0Out"].(*big.Int); ok {
		if amount1Out, ok := decoded["amount1Out"].(*big.Int); ok {
			if amount0Out.Sign() > 0 {
				event.AmountOut = amount0Out
				event.TokenOut = event.Token0
			} else if amount1Out.Sign() > 0 {
				event.AmountOut = amount1Out
				event.TokenOut = event.Token1
			}
		}
	}

	// Set recipient
	if to, ok := decoded["to"].(common.Address); ok {
		event.Recipient = to
	}

	// Uniswap V2 has 0.3% fee (30 basis points)
	event.PoolFee = 30

	return event, nil
}

// enrichPoolTokens gets token addresses from the pool contract
func (p *UniswapV2Parser) enrichPoolTokens(event *EnhancedDEXEvent) error {
	// For V2, token addresses need to be queried from the pool contract
	// This is a placeholder - in production you'd call the pool contract
	// For now, we'll populate from known pool data
	return nil
}

func (p *UniswapV2Parser) parsePairCreatedEvent(log *types.Log, event *EnhancedDEXEvent) (*EnhancedDEXEvent, error) {
	pairEvent := p.abi.Events["PairCreated"]
	decoded, err := p.decodeLogData(log, &pairEvent)
	if err != nil {
		return nil, fmt.Errorf("failed to decode pair created event: %w", err)
	}

	event.DecodedParams = decoded

	// Extract token addresses
	if token0, ok := decoded["token0"].(common.Address); ok {
		event.TokenIn = token0
	}
	if token1, ok := decoded["token1"].(common.Address); ok {
		event.TokenOut = token1
	}
	if pair, ok := decoded["pair"].(common.Address); ok {
		event.PoolAddress = pair
	}

	event.PoolType = PoolTypeConstantProduct

	return event, nil
}

func (p *UniswapV2Parser) ParseTransactionData(tx *types.Transaction) (*EnhancedDEXEvent, error) {
	if tx.To() == nil || len(tx.Data()) < 4 {
		return nil, fmt.Errorf("invalid transaction data")
	}

	// Check if this is a known contract
	if !p.IsKnownContract(*tx.To()) {
		return nil, fmt.Errorf("unknown contract")
	}

	// Extract function selector
	selector := fmt.Sprintf("0x%x", tx.Data()[:4])
	funcSig, exists := p.functionSigs[selector]
	if !exists {
		return nil, fmt.Errorf("unknown function signature")
	}

	event := &EnhancedDEXEvent{
		Protocol:        p.protocol,
		EventType:       funcSig.EventType,
		ContractAddress: *tx.To(),
		IsValid:         true,
	}

	switch funcSig.Name {
	case "swapExactTokensForTokens":
		return p.parseSwapExactTokensForTokens(tx.Data(), event)
	default:
		return nil, fmt.Errorf("unsupported function: %s", funcSig.Name)
	}
}

func (p *UniswapV2Parser) parseSwapExactTokensForTokens(data []byte, event *EnhancedDEXEvent) (*EnhancedDEXEvent, error) {
	method := p.abi.Methods["swapExactTokensForTokens"]
	decoded, err := p.decodeFunctionData(data, &method)
	if err != nil {
		return nil, fmt.Errorf("failed to decode function data: %w", err)
	}

	event.DecodedParams = decoded

	// Extract parameters
	if amountIn, ok := decoded["amountIn"].(*big.Int); ok {
		event.AmountIn = amountIn
	}
	if amountOutMin, ok := decoded["amountOutMin"].(*big.Int); ok {
		event.AmountOut = amountOutMin
	}
	if path, ok := decoded["path"].([]common.Address); ok && len(path) >= 2 {
		event.TokenIn = path[0]
		event.TokenOut = path[len(path)-1]
	}
	if to, ok := decoded["to"].(common.Address); ok {
		event.Recipient = to
	}
	if deadline, ok := decoded["deadline"].(*big.Int); ok {
		event.Deadline = deadline.Uint64()
	}

	return event, nil
}

func (p *UniswapV2Parser) DecodeFunctionCall(data []byte) (*EnhancedDEXEvent, error) {
	if len(data) < 4 {
		return nil, fmt.Errorf("data too short for function selector")
	}

	selector := fmt.Sprintf("0x%x", data[:4])
	if sig, exists := p.functionSigs[selector]; exists {
		event := &EnhancedDEXEvent{
			Protocol:      ProtocolUniswapV2,
			EventType:     sig.EventType,
			DecodedParams: make(map[string]interface{}),
		}

		// For common Uniswap V2 functions, we can decode the parameters
		switch selector {
		case "0x38ed1739": // swapExactTokensForTokens
			if len(data) >= 132 { // 4 + 32*4 bytes minimum
				amountIn := new(big.Int).SetBytes(data[4:36])
				amountOutMin := new(big.Int).SetBytes(data[36:68])
				event.AmountIn = amountIn
				event.AmountOut = amountOutMin // This is minimum, actual will be in logs
				event.DecodedParams["amountIn"] = amountIn
				event.DecodedParams["amountOutMin"] = amountOutMin
			}
		case "0x7ff36ab5": // swapExactETHForTokens
			if len(data) >= 68 { // 4 + 32*2 bytes minimum
				amountOutMin := new(big.Int).SetBytes(data[4:36])
				event.AmountOut = amountOutMin
				event.DecodedParams["amountOutMin"] = amountOutMin
			}
		case "0x18cbafe5": // swapExactTokensForETH
			if len(data) >= 100 { // 4 + 32*3 bytes minimum
				amountIn := new(big.Int).SetBytes(data[4:36])
				amountOutMin := new(big.Int).SetBytes(data[36:68])
				event.AmountIn = amountIn
				event.AmountOut = amountOutMin
				event.DecodedParams["amountIn"] = amountIn
				event.DecodedParams["amountOutMin"] = amountOutMin
			}
		}

		return event, nil
	}

	return nil, fmt.Errorf("unknown function selector: %s", selector)
}

func (p *UniswapV2Parser) DiscoverPools(fromBlock, toBlock uint64) ([]*PoolInfo, error) {
	var pools []*PoolInfo

	// PairCreated event signature for Uniswap V2 factory
	pairCreatedTopic := crypto.Keccak256Hash([]byte("PairCreated(address,address,address,uint256)"))

	// Query logs from factory contract
	factoryAddresses := p.contracts[ContractTypeFactory]
	if len(factoryAddresses) == 0 {
		return nil, fmt.Errorf("no factory addresses configured")
	}

	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
	defer cancel()

	for _, factoryAddr := range factoryAddresses {
		// Query PairCreated events
		var logs []interface{}
		err := p.client.CallContext(ctx, &logs, "eth_getLogs", map[string]interface{}{
			"fromBlock": fmt.Sprintf("0x%x", fromBlock),
			"toBlock":   fmt.Sprintf("0x%x", toBlock),
			"address":   factoryAddr.Hex(),
			"topics":    []interface{}{pairCreatedTopic.Hex()},
		})

		if err != nil {
			p.logger.Debug(fmt.Sprintf("Failed to query PairCreated events: %v", err))
			continue
		}

		// Parse each PairCreated event
		for _, logData := range logs {
			logMap, ok := logData.(map[string]interface{})
			if !ok {
				continue
			}

			topics, ok := logMap["topics"].([]interface{})
			if !ok || len(topics) < 4 {
				continue
			}

			// Extract token addresses from topics[1] and topics[2]
			token0 := common.HexToAddress(topics[1].(string))
			token1 := common.HexToAddress(topics[2].(string))
			pairAddr := common.HexToAddress(topics[3].(string))

			// Extract block number
			blockNumHex, ok := logMap["blockNumber"].(string)
			if !ok {
				continue
			}
			blockNum := common.HexToHash(blockNumHex).Big().Uint64()

			pool := &PoolInfo{
				Address:      pairAddr,
				Protocol:     ProtocolUniswapV2,
				PoolType:     "UniswapV2",
				Token0:       token0,
				Token1:       token1,
				Fee:          30, // Uniswap V2 has 0.3% fee
				CreatedBlock: blockNum,
				IsActive:     true,
				LastUpdated:  time.Now(),
			}

			pools = append(pools, pool)
		}
	}

	return pools, nil
}

func (p *UniswapV2Parser) GetPoolInfo(poolAddress common.Address) (*PoolInfo, error) {
	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	// Create pool contract ABI for basic queries
	poolABI := `[
		{"name": "token0", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "address"}]},
		{"name": "token1", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "address"}]}
	]`

	parsedABI, err := abi.JSON(strings.NewReader(poolABI))
	if err != nil {
		return nil, fmt.Errorf("failed to parse pool ABI: %w", err)
	}

	// Query token0
	token0Data, err := parsedABI.Pack("token0")
	if err != nil {
		return nil, fmt.Errorf("failed to pack token0 call: %w", err)
	}

	var token0Result string
	err = p.client.CallContext(ctx, &token0Result, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", token0Data),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query token0: %w", err)
	}

	// Query token1
	token1Data, err := parsedABI.Pack("token1")
	if err != nil {
		return nil, fmt.Errorf("failed to pack token1 call: %w", err)
	}

	var token1Result string
	err = p.client.CallContext(ctx, &token1Result, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", token1Data),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query token1: %w", err)
	}

	// Decode token0 result using ABI
	token0ResultBytes := common.FromHex(token0Result)
	token0Results, err := parsedABI.Unpack("token0", token0ResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack token0 result: %w", err)
	}
	if len(token0Results) == 0 {
		return nil, fmt.Errorf("empty token0 result")
	}
	token0, ok := token0Results[0].(common.Address)
	if !ok {
		return nil, fmt.Errorf("token0 result is not an address")
	}

	// Decode token1 result using ABI
	token1ResultBytes := common.FromHex(token1Result)
	token1Results, err := parsedABI.Unpack("token1", token1ResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack token1 result: %w", err)
	}
	if len(token1Results) == 0 {
		return nil, fmt.Errorf("empty token1 result")
	}
	token1, ok := token1Results[0].(common.Address)
	if !ok {
		return nil, fmt.Errorf("token1 result is not an address")
	}

	return &PoolInfo{
		Address:     poolAddress,
		Protocol:    ProtocolUniswapV2,
		PoolType:    "UniswapV2",
		Token0:      token0,
		Token1:      token1,
		Fee:         30, // Uniswap V2 has 0.3% fee
		IsActive:    true,
		LastUpdated: time.Now(),
	}, nil
}

func (p *UniswapV2Parser) EnrichEventData(event *EnhancedDEXEvent) error {
	// Implementation would add additional metadata
	return nil
}

// UniswapV3Parser implements DEXParserInterface for Uniswap V3
type UniswapV3Parser struct {
	*BaseProtocolParser
}

// NewUniswapV3Parser creates a new Uniswap V3 parser
func NewUniswapV3Parser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolUniswapV3)
	parser := &UniswapV3Parser{BaseProtocolParser: base}

	// Initialize Uniswap V3 specific data
	parser.initializeUniswapV3()

	return parser
}

func (p *UniswapV3Parser) initializeUniswapV3() {
	// Contract addresses
	p.contracts[ContractTypeFactory] = []common.Address{
		common.HexToAddress("0x1F98431c8aD98523631AE4a59f267346ea31F984"), // Uniswap V3 Factory
	}
	p.contracts[ContractTypeRouter] = []common.Address{
		common.HexToAddress("0xE592427A0AEce92De3Edee1F18E0157C05861564"), // SwapRouter
		common.HexToAddress("0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45"), // SwapRouter02
	}
	p.contracts[ContractTypeManager] = []common.Address{
		common.HexToAddress("0xC36442b4a4522E871399CD717aBDD847Ab11FE88"), // NonfungiblePositionManager
	}

	// Function signatures
	p.functionSigs["0x414bf389"] = &FunctionSignature{
		Selector:     [4]byte{0x41, 0x4b, 0xf3, 0x89},
		Name:         "exactInputSingle",
		Protocol:     ProtocolUniswapV3,
		ContractType: ContractTypeRouter,
		EventType:    EventTypeSwap,
		Description:  "Exact input single pool swap",
	}

	// Event signatures
	swapTopic := crypto.Keccak256Hash([]byte("Swap(address,address,int256,int256,uint160,uint128,int24)"))
	p.eventSigs[swapTopic] = &EventSignature{
		Topic0:      swapTopic,
		Name:        "Swap",
		Protocol:    ProtocolUniswapV3,
		EventType:   EventTypeSwap,
		Description: "Uniswap V3 swap event",
	}

	poolCreatedTopic := crypto.Keccak256Hash([]byte("PoolCreated(address,address,uint24,int24,address)"))
	p.eventSigs[poolCreatedTopic] = &EventSignature{
		Topic0:      poolCreatedTopic,
		Name:        "PoolCreated",
		Protocol:    ProtocolUniswapV3,
		EventType:   EventTypePoolCreated,
		Description: "Uniswap V3 pool created event",
	}

	// Load ABI
	p.loadUniswapV3ABI()
}

func (p *UniswapV3Parser) loadUniswapV3ABI() {
	abiJSON := `[
		{
			"name": "exactInputSingle",
			"type": "function",
			"inputs": [
				{
					"name": "params",
					"type": "tuple",
					"components": [
						{"name": "tokenIn", "type": "address"},
						{"name": "tokenOut", "type": "address"},
						{"name": "fee", "type": "uint24"},
						{"name": "recipient", "type": "address"},
						{"name": "deadline", "type": "uint256"},
						{"name": "amountIn", "type": "uint256"},
						{"name": "amountOutMinimum", "type": "uint256"},
						{"name": "sqrtPriceLimitX96", "type": "uint160"}
					]
				}
			]
		},
		{
			"name": "Swap",
			"type": "event",
			"inputs": [
				{"name": "sender", "type": "address", "indexed": true},
				{"name": "recipient", "type": "address", "indexed": true},
				{"name": "amount0", "type": "int256", "indexed": false},
				{"name": "amount1", "type": "int256", "indexed": false},
				{"name": "sqrtPriceX96", "type": "uint160", "indexed": false},
				{"name": "liquidity", "type": "uint128", "indexed": false},
				{"name": "tick", "type": "int24", "indexed": false}
			]
		},
		{
			"name": "PoolCreated",
			"type": "event",
			"inputs": [
				{"name": "token0", "type": "address", "indexed": true},
				{"name": "token1", "type": "address", "indexed": true},
				{"name": "fee", "type": "uint24", "indexed": true},
				{"name": "tickSpacing", "type": "int24", "indexed": false},
				{"name": "pool", "type": "address", "indexed": false}
			]
		}
	]`

	var err error
	p.abi, err = abi.JSON(strings.NewReader(abiJSON))
	if err != nil {
		p.logger.Error(fmt.Sprintf("Failed to load Uniswap V3 ABI: %v", err))
	}
}

// Implement the same interface methods as UniswapV2Parser but with V3-specific logic
func (p *UniswapV3Parser) GetSupportedEventTypes() []EventType {
	return []EventType{EventTypeSwap, EventTypeLiquidityAdd, EventTypeLiquidityRemove, EventTypePoolCreated, EventTypePositionUpdate}
}

func (p *UniswapV3Parser) GetSupportedContractTypes() []ContractType {
	return []ContractType{ContractTypeRouter, ContractTypeFactory, ContractTypePool, ContractTypeManager}
}

func (p *UniswapV3Parser) GetContractInfo(address common.Address) (*ContractInfo, error) {
	for contractType, addresses := range p.contracts {
		for _, addr := range addresses {
			if addr == address {
				return &ContractInfo{
					Address:      address,
					ContractType: contractType,
					Protocol:     ProtocolUniswapV3,
					Name:         fmt.Sprintf("Uniswap V3 %s", contractType),
				}, nil
			}
		}
	}
	return nil, fmt.Errorf("unknown Uniswap V3 contract: %s", address.Hex())
}

func (p *UniswapV3Parser) ParseTransactionLogs(tx *types.Transaction, receipt *types.Receipt) ([]*EnhancedDEXEvent, error) {
	var events []*EnhancedDEXEvent

	for _, log := range receipt.Logs {
		if event, err := p.ParseLog(log); err == nil && event != nil {
			events = append(events, event)
		}
	}

	return events, nil
}

func (p *UniswapV3Parser) ParseLog(log *types.Log) (*EnhancedDEXEvent, error) {
	if len(log.Topics) == 0 {
		return nil, fmt.Errorf("log has no topics")
	}

	eventSig, exists := p.eventSigs[log.Topics[0]]
	if !exists {
		return nil, fmt.Errorf("unknown event signature")
	}

	event := &EnhancedDEXEvent{
		Protocol:        p.protocol,
		EventType:       eventSig.EventType,
		ContractAddress: log.Address,
		RawLogData:      log.Data,
		RawTopics:       log.Topics,
		IsValid:         true,
	}

	switch eventSig.Name {
	case "Swap":
		return p.parseSwapEvent(log, event)
	case "PoolCreated":
		return p.parsePoolCreatedEvent(log, event)
	default:
		return nil, fmt.Errorf("unsupported event: %s", eventSig.Name)
	}
}

func (p *UniswapV3Parser) parseSwapEvent(log *types.Log, event *EnhancedDEXEvent) (*EnhancedDEXEvent, error) {
	swapEvent := p.abi.Events["Swap"]
	decoded, err := p.decodeLogData(log, &swapEvent)
	if err != nil {
		return nil, fmt.Errorf("failed to decode swap event: %w", err)
	}

	event.PoolAddress = log.Address
	event.DecodedParams = decoded

	// Extract sender and recipient from indexed topics
	if len(log.Topics) > 1 {
		event.Sender = common.BytesToAddress(log.Topics[1].Bytes())
	}
	if len(log.Topics) > 2 {
		event.Recipient = common.BytesToAddress(log.Topics[2].Bytes())
	}

	// Extract token addresses and fee from pool contract
	if err := p.enrichPoolData(event); err != nil {
		p.logger.Debug(fmt.Sprintf("Failed to get pool data: %v", err))
	}

	// Extract factory address (standard V3 factory)
	event.FactoryAddress = common.HexToAddress("0x1F98431c8aD98523631AE4a59f267346ea31F984")

	// Determine router address from context (could be SwapRouter or SwapRouter02)
	event.RouterAddress = p.determineRouter(event)

	// Extract amounts (V3 uses signed integers)
	if amount0, ok := decoded["amount0"].(*big.Int); ok {
		if amount1, ok := decoded["amount1"].(*big.Int); ok {
			// In V3, negative means outgoing, positive means incoming
			if amount0.Sign() < 0 {
				event.AmountOut = new(big.Int).Abs(amount0)
				event.TokenOut = event.Token0
				event.AmountIn = amount1
				event.TokenIn = event.Token1
			} else {
				event.AmountIn = amount0
				event.TokenIn = event.Token0
				event.AmountOut = new(big.Int).Abs(amount1)
				event.TokenOut = event.Token1
			}
		}
	}

	// Extract V3-specific data
	if sqrtPriceX96, ok := decoded["sqrtPriceX96"].(*big.Int); ok {
		event.SqrtPriceX96 = sqrtPriceX96
	}
	if liquidity, ok := decoded["liquidity"].(*big.Int); ok {
		event.Liquidity = liquidity
	}
	if tick, ok := decoded["tick"].(*big.Int); ok {
		event.PoolTick = tick
	}

	return event, nil
}

// enrichPoolData gets comprehensive pool data including tokens and fee
func (p *UniswapV3Parser) enrichPoolData(event *EnhancedDEXEvent) error {
	// For V3, we need to query the pool contract for token0, token1, and fee
	// This is a placeholder - in production you'd call the pool contract
	return nil
}

// determineRouter determines which router was used based on context
func (p *UniswapV3Parser) determineRouter(event *EnhancedDEXEvent) common.Address {
	// Default to SwapRouter02 which is more commonly used
	return common.HexToAddress("0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45")
}

func (p *UniswapV3Parser) parsePoolCreatedEvent(log *types.Log, event *EnhancedDEXEvent) (*EnhancedDEXEvent, error) {
	poolEvent := p.abi.Events["PoolCreated"]
	decoded, err := p.decodeLogData(log, &poolEvent)
	if err != nil {
		return nil, fmt.Errorf("failed to decode pool created event: %w", err)
	}

	event.DecodedParams = decoded

	// Extract token addresses
	if token0, ok := decoded["token0"].(common.Address); ok {
		event.TokenIn = token0
	}
	if token1, ok := decoded["token1"].(common.Address); ok {
		event.TokenOut = token1
	}
	if pool, ok := decoded["pool"].(common.Address); ok {
		event.PoolAddress = pool
	}
	if fee, ok := decoded["fee"].(*big.Int); ok {
		event.PoolFee = uint32(fee.Uint64())
	}

	event.PoolType = PoolTypeConcentrated

	return event, nil
}

func (p *UniswapV3Parser) ParseTransactionData(tx *types.Transaction) (*EnhancedDEXEvent, error) {
	if tx.To() == nil || len(tx.Data()) < 4 {
		return nil, fmt.Errorf("invalid transaction data")
	}

	// Check if this is a known contract
	if !p.IsKnownContract(*tx.To()) {
		return nil, fmt.Errorf("unknown contract")
	}

	// Extract function selector
	selector := fmt.Sprintf("0x%x", tx.Data()[:4])
	funcSig, exists := p.functionSigs[selector]
	if !exists {
		return nil, fmt.Errorf("unknown function signature")
	}

	event := &EnhancedDEXEvent{
		Protocol:        p.protocol,
		EventType:       funcSig.EventType,
		ContractAddress: *tx.To(),
		IsValid:         true,
	}

	switch funcSig.Name {
	case "exactInputSingle":
		return p.parseExactInputSingle(tx.Data(), event)
	default:
		return nil, fmt.Errorf("unsupported function: %s", funcSig.Name)
	}
}

func (p *UniswapV3Parser) parseExactInputSingle(data []byte, event *EnhancedDEXEvent) (*EnhancedDEXEvent, error) {
	method := p.abi.Methods["exactInputSingle"]
	decoded, err := p.decodeFunctionData(data, &method)
	if err != nil {
		return nil, fmt.Errorf("failed to decode function data: %w", err)
	}

	event.DecodedParams = decoded

	// Extract parameters from tuple
	if params, ok := decoded["params"].(struct {
		TokenIn           common.Address
		TokenOut          common.Address
		Fee               *big.Int
		Recipient         common.Address
		Deadline          *big.Int
		AmountIn          *big.Int
		AmountOutMinimum  *big.Int
		SqrtPriceLimitX96 *big.Int
	}); ok {
		event.TokenIn = params.TokenIn
		event.TokenOut = params.TokenOut
		event.PoolFee = uint32(params.Fee.Uint64())
		event.Recipient = params.Recipient
		event.Deadline = params.Deadline.Uint64()
		event.AmountIn = params.AmountIn
		event.AmountOut = params.AmountOutMinimum
	}

	return event, nil
}

func (p *UniswapV3Parser) DecodeFunctionCall(data []byte) (*EnhancedDEXEvent, error) {
	if len(data) < 4 {
		return nil, fmt.Errorf("data too short for function selector")
	}

	selector := fmt.Sprintf("0x%x", data[:4])
	if sig, exists := p.functionSigs[selector]; exists {
		event := &EnhancedDEXEvent{
			Protocol:      ProtocolUniswapV3,
			EventType:     sig.EventType,
			DecodedParams: make(map[string]interface{}),
		}

		// For common Uniswap V3 functions, we can decode the parameters
		switch selector {
		case "0x414bf389": // exactInputSingle
			if len(data) >= 164 { // 4 + 32*5 bytes minimum
				// Decode ExactInputSingleParams struct
				tokenIn := common.BytesToAddress(data[4:36])
				tokenOut := common.BytesToAddress(data[36:68])
				fee := new(big.Int).SetBytes(data[68:100])
				amountIn := new(big.Int).SetBytes(data[132:164])

				event.TokenIn = tokenIn
				event.TokenOut = tokenOut
				event.AmountIn = amountIn
				event.PoolFee = uint32(fee.Uint64())
				event.DecodedParams["tokenIn"] = tokenIn
				event.DecodedParams["tokenOut"] = tokenOut
				event.DecodedParams["fee"] = fee
				event.DecodedParams["amountIn"] = amountIn
			}
		case "0x09b81346": // exactInput (multi-hop)
			if len(data) >= 68 { // 4 + 32*2 bytes minimum
				amountIn := new(big.Int).SetBytes(data[4:36])
				amountOutMin := new(big.Int).SetBytes(data[36:68])
				event.AmountIn = amountIn
				event.AmountOut = amountOutMin
				event.DecodedParams["amountIn"] = amountIn
				event.DecodedParams["amountOutMinimum"] = amountOutMin
			}
		}

		return event, nil
	}

	return nil, fmt.Errorf("unknown function selector: %s", selector)
}

func (p *UniswapV3Parser) DiscoverPools(fromBlock, toBlock uint64) ([]*PoolInfo, error) {
	var pools []*PoolInfo

	// PoolCreated event signature for Uniswap V3 factory
	poolCreatedTopic := crypto.Keccak256Hash([]byte("PoolCreated(address,address,uint24,int24,address)"))

	// Query logs from factory contract
	factoryAddresses := p.contracts[ContractTypeFactory]
	if len(factoryAddresses) == 0 {
		return nil, fmt.Errorf("no factory addresses configured")
	}

	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
	defer cancel()

	for _, factoryAddr := range factoryAddresses {
		// Query PoolCreated events
		var logs []interface{}
		err := p.client.CallContext(ctx, &logs, "eth_getLogs", map[string]interface{}{
			"fromBlock": fmt.Sprintf("0x%x", fromBlock),
			"toBlock":   fmt.Sprintf("0x%x", toBlock),
			"address":   factoryAddr.Hex(),
			"topics":    []interface{}{poolCreatedTopic.Hex()},
		})

		if err != nil {
			p.logger.Debug(fmt.Sprintf("Failed to query PoolCreated events: %v", err))
			continue
		}

		// Parse each PoolCreated event
		for _, logData := range logs {
			logMap, ok := logData.(map[string]interface{})
			if !ok {
				continue
			}

			topics, ok := logMap["topics"].([]interface{})
			if !ok || len(topics) < 4 {
				continue
			}

			// Extract token addresses from topics[1] and topics[2]
			token0 := common.HexToAddress(topics[1].(string))
			token1 := common.HexToAddress(topics[2].(string))

			// Extract fee from topics[3] (uint24)
			feeHex := topics[3].(string)
			fee := common.HexToHash(feeHex).Big().Uint64()

			// Extract pool address from data
			data, ok := logMap["data"].(string)
			if !ok || len(data) < 66 {
				continue
			}
			poolAddr := common.HexToAddress(data[26:66]) // Skip first 32 bytes (tick), take next 20 bytes

			// Extract block number
			blockNumHex, ok := logMap["blockNumber"].(string)
			if !ok {
				continue
			}
			blockNum := common.HexToHash(blockNumHex).Big().Uint64()

			pool := &PoolInfo{
				Address:      poolAddr,
				Protocol:     ProtocolUniswapV3,
				PoolType:     "UniswapV3",
				Token0:       token0,
				Token1:       token1,
				Fee:          uint32(fee),
				CreatedBlock: blockNum,
				IsActive:     true,
				LastUpdated:  time.Now(),
			}

			pools = append(pools, pool)
		}
	}

	return pools, nil
}

func (p *UniswapV3Parser) GetPoolInfo(poolAddress common.Address) (*PoolInfo, error) {
	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	// Create pool contract ABI for basic queries
	poolABI := `[
		{"name": "token0", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "address"}]},
		{"name": "token1", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "address"}]},
		{"name": "fee", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "uint24"}]}
	]`

	parsedABI, err := abi.JSON(strings.NewReader(poolABI))
	if err != nil {
		return nil, fmt.Errorf("failed to parse pool ABI: %w", err)
	}

	// Query token0
	token0Data, err := parsedABI.Pack("token0")
	if err != nil {
		return nil, fmt.Errorf("failed to pack token0 call: %w", err)
	}

	var token0Result string
	err = p.client.CallContext(ctx, &token0Result, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", token0Data),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query token0: %w", err)
	}

	// Query token1
	token1Data, err := parsedABI.Pack("token1")
	if err != nil {
		return nil, fmt.Errorf("failed to pack token1 call: %w", err)
	}

	var token1Result string
	err = p.client.CallContext(ctx, &token1Result, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", token1Data),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query token1: %w", err)
	}

	// Query fee
	feeData, err := parsedABI.Pack("fee")
	if err != nil {
		return nil, fmt.Errorf("failed to pack fee call: %w", err)
	}

	var feeResult string
	err = p.client.CallContext(ctx, &feeResult, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", feeData),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query fee: %w", err)
	}

	// Decode token0 result using ABI
	token0ResultBytes := common.FromHex(token0Result)
	token0Results, err := parsedABI.Unpack("token0", token0ResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack token0 result: %w", err)
	}
	if len(token0Results) == 0 {
		return nil, fmt.Errorf("empty token0 result")
	}
	token0, ok := token0Results[0].(common.Address)
	if !ok {
		return nil, fmt.Errorf("token0 result is not an address")
	}

	// Decode token1 result using ABI
	token1ResultBytes := common.FromHex(token1Result)
	token1Results, err := parsedABI.Unpack("token1", token1ResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack token1 result: %w", err)
	}
	if len(token1Results) == 0 {
		return nil, fmt.Errorf("empty token1 result")
	}
	token1, ok := token1Results[0].(common.Address)
	if !ok {
		return nil, fmt.Errorf("token1 result is not an address")
	}

	// Decode fee result using ABI (uint24)
	feeResultBytes := common.FromHex(feeResult)
	feeResults, err := parsedABI.Unpack("fee", feeResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack fee result: %w", err)
	}
	if len(feeResults) == 0 {
		return nil, fmt.Errorf("empty fee result")
	}
	feeValue, ok := feeResults[0].(*big.Int)
	if !ok {
		return nil, fmt.Errorf("fee result is not a big.Int")
	}
	fee := feeValue.Uint64()

	return &PoolInfo{
		Address:     poolAddress,
		Protocol:    ProtocolUniswapV3,
		PoolType:    "UniswapV3",
		Token0:      token0,
		Token1:      token1,
		Fee:         uint32(fee),
		IsActive:    true,
		LastUpdated: time.Now(),
	}, nil
}

func (p *UniswapV3Parser) EnrichEventData(event *EnhancedDEXEvent) error {
	return nil
}

// Placeholder parsers for other protocols
// In a full implementation, each would have complete parsing logic

// SushiSwapV2Parser - Real implementation for SushiSwap V2
type SushiSwapV2Parser struct {
	*BaseProtocolParser
	contractABI abi.ABI
}

func NewSushiSwapV2Parser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolSushiSwapV2)
	parser := &SushiSwapV2Parser{BaseProtocolParser: base}
	parser.initializeSushiSwapV2()
	return parser
}

func (p *SushiSwapV2Parser) initializeSushiSwapV2() {
	// SushiSwap V2 Factory and Router addresses on Arbitrum
	p.contracts[ContractTypeFactory] = []common.Address{
		common.HexToAddress("0xc35DADB65012eC5796536bD9864eD8773aBc74C4"), // SushiSwap V2 Factory
	}
	p.contracts[ContractTypeRouter] = []common.Address{
		common.HexToAddress("0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506"), // SushiSwap V2 Router
	}

	// Event signatures - same as Uniswap V2 but different contracts
	swapTopic := crypto.Keccak256Hash([]byte("Swap(address,uint256,uint256,uint256,uint256,address)"))
	p.eventSigs[swapTopic] = &EventSignature{
		Topic0:      swapTopic,
		Name:        "Swap",
		Protocol:    ProtocolSushiSwapV2,
		EventType:   EventTypeSwap,
		Description: "SushiSwap V2 swap event",
	}

	p.loadSushiSwapV2ABI()
}

func (p *SushiSwapV2Parser) loadSushiSwapV2ABI() {
	abiJSON := `[
		{
			"anonymous": false,
			"inputs": [
				{"indexed": true, "name": "sender", "type": "address"},
				{"indexed": false, "name": "amount0In", "type": "uint256"},
				{"indexed": false, "name": "amount1In", "type": "uint256"},
				{"indexed": false, "name": "amount0Out", "type": "uint256"},
				{"indexed": false, "name": "amount1Out", "type": "uint256"},
				{"indexed": true, "name": "to", "type": "address"}
			],
			"name": "Swap",
			"type": "event"
		}
	]`

	var err error
	p.contractABI, err = abi.JSON(strings.NewReader(abiJSON))
	if err != nil {
		p.logger.Error(fmt.Sprintf("Failed to parse SushiSwap V2 ABI: %v", err))
	}
}

func (p *SushiSwapV2Parser) GetSupportedEventTypes() []EventType {
	return []EventType{EventTypeSwap, EventTypeLiquidityAdd, EventTypeLiquidityRemove}
}

func (p *SushiSwapV2Parser) GetSupportedContractTypes() []ContractType {
	return []ContractType{ContractTypeFactory, ContractTypeRouter, ContractTypePool}
}

func (p *SushiSwapV2Parser) GetContractInfo(address common.Address) (*ContractInfo, error) {
	for contractType, addresses := range p.contracts {
		for _, addr := range addresses {
			if addr == address {
				return &ContractInfo{
					Address:      address,
					ContractType: contractType,
					Protocol:     ProtocolSushiSwapV2,
					Name:         fmt.Sprintf("SushiSwap V2 %s", contractType),
				}, nil
			}
		}
	}
	return nil, fmt.Errorf("unknown SushiSwap V2 contract: %s", address.Hex())
}

func (p *SushiSwapV2Parser) ParseTransactionLogs(tx *types.Transaction, receipt *types.Receipt) ([]*EnhancedDEXEvent, error) {
	var events []*EnhancedDEXEvent

	for _, log := range receipt.Logs {
		if event, err := p.ParseLog(log); err == nil && event != nil {
			event.BlockNumber = receipt.BlockNumber.Uint64()
			events = append(events, event)
		}
	}

	return events, nil
}

func (p *SushiSwapV2Parser) ParseLog(log *types.Log) (*EnhancedDEXEvent, error) {
	if !p.IsKnownContract(log.Address) {
		return nil, fmt.Errorf("unknown contract address: %s", log.Address.Hex())
	}

	event := &EnhancedDEXEvent{
		Protocol:      ProtocolSushiSwapV2,
		EventType:     EventTypeSwap,
		DecodedParams: make(map[string]interface{}),
	}

	if len(log.Topics) > 0 {
		if sig, exists := p.eventSigs[log.Topics[0]]; exists {
			switch sig.Name {
			case "Swap":
				return p.parseSwapEvent(log, event)
			default:
				return nil, fmt.Errorf("unsupported event: %s", sig.Name)
			}
		}
	}

	return nil, fmt.Errorf("unrecognized event signature")
}

func (p *SushiSwapV2Parser) parseSwapEvent(log *types.Log, event *EnhancedDEXEvent) (*EnhancedDEXEvent, error) {
	// Extract indexed parameters from topics
	if len(log.Topics) > 1 {
		event.Sender = common.BytesToAddress(log.Topics[1].Bytes())
	}
	if len(log.Topics) > 2 {
		event.Recipient = common.BytesToAddress(log.Topics[2].Bytes())
	}

	// Decode log data
	swapEvent := p.contractABI.Events["Swap"]
	decoded, err := p.decodeLogData(log, &swapEvent)
	if err != nil {
		return nil, fmt.Errorf("failed to decode SushiSwap swap event: %w", err)
	}

	event.DecodedParams = decoded
	event.PoolAddress = log.Address
	event.Factory = common.HexToAddress("0xc35DADB65012eC5796536bD9864eD8773aBc74C4")
	event.Router = common.HexToAddress("0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506")

	// Extract amounts - SushiSwap V2 uses same logic as Uniswap V2
	if amount0In, ok := decoded["amount0In"].(*big.Int); ok && amount0In.Sign() > 0 {
		event.AmountIn = amount0In
	}
	if amount1In, ok := decoded["amount1In"].(*big.Int); ok && amount1In.Sign() > 0 {
		event.AmountIn = amount1In
	}
	if amount0Out, ok := decoded["amount0Out"].(*big.Int); ok && amount0Out.Sign() > 0 {
		event.AmountOut = amount0Out
	}
	if amount1Out, ok := decoded["amount1Out"].(*big.Int); ok && amount1Out.Sign() > 0 {
		event.AmountOut = amount1Out
	}

	// SushiSwap V2 has 0.3% fee = 30 basis points
	event.FeeBps = 30
	event.PoolFee = 30

	return event, nil
}

func (p *SushiSwapV2Parser) ParseTransactionData(tx *types.Transaction) (*EnhancedDEXEvent, error) {
	if len(tx.Data()) < 4 {
		return nil, fmt.Errorf("transaction data too short")
	}

	selector := fmt.Sprintf("0x%x", tx.Data()[:4])
	if sig, exists := p.functionSigs[selector]; exists {
		event := &EnhancedDEXEvent{
			Protocol:      ProtocolSushiSwapV2,
			EventType:     sig.EventType,
			DecodedParams: make(map[string]interface{}),
		}

		// Decode common SushiSwap V2 functions (same as Uniswap V2)
		switch selector {
		case "0x38ed1739": // swapExactTokensForTokens
			if len(tx.Data()) >= 132 {
				amountIn := new(big.Int).SetBytes(tx.Data()[4:36])
				amountOutMin := new(big.Int).SetBytes(tx.Data()[36:68])
				event.AmountIn = amountIn
				event.AmountOut = amountOutMin
				event.DecodedParams["amountIn"] = amountIn
				event.DecodedParams["amountOutMin"] = amountOutMin
			}
		}

		return event, nil
	}

	return nil, fmt.Errorf("unknown function selector: %s", selector)
}

func (p *SushiSwapV2Parser) DecodeFunctionCall(data []byte) (*EnhancedDEXEvent, error) {
	if len(data) < 4 {
		return nil, fmt.Errorf("data too short for function selector")
	}

	selector := fmt.Sprintf("0x%x", data[:4])
	if sig, exists := p.functionSigs[selector]; exists {
		event := &EnhancedDEXEvent{
			Protocol:      ProtocolSushiSwapV2,
			EventType:     sig.EventType,
			DecodedParams: make(map[string]interface{}),
		}

		// Same function decoding as Uniswap V2
		switch selector {
		case "0x38ed1739": // swapExactTokensForTokens
			if len(data) >= 132 {
				amountIn := new(big.Int).SetBytes(data[4:36])
				amountOutMin := new(big.Int).SetBytes(data[36:68])
				event.AmountIn = amountIn
				event.AmountOut = amountOutMin
				event.DecodedParams["amountIn"] = amountIn
				event.DecodedParams["amountOutMin"] = amountOutMin
			}
		}

		return event, nil
	}

	return nil, fmt.Errorf("unknown function selector: %s", selector)
}

func (p *SushiSwapV2Parser) DiscoverPools(fromBlock, toBlock uint64) ([]*PoolInfo, error) {
	var pools []*PoolInfo

	// PairCreated event signature (same as Uniswap V2)
	pairCreatedTopic := crypto.Keccak256Hash([]byte("PairCreated(address,address,address,uint256)"))

	// Query logs from SushiSwap factory contract
	factoryAddresses := p.contracts[ContractTypeFactory]
	if len(factoryAddresses) == 0 {
		return nil, fmt.Errorf("no factory addresses configured")
	}

	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
	defer cancel()

	for _, factoryAddr := range factoryAddresses {
		// Query PairCreated events
		var logs []interface{}
		err := p.client.CallContext(ctx, &logs, "eth_getLogs", map[string]interface{}{
			"fromBlock": fmt.Sprintf("0x%x", fromBlock),
			"toBlock":   fmt.Sprintf("0x%x", toBlock),
			"address":   factoryAddr.Hex(),
			"topics":    []interface{}{pairCreatedTopic.Hex()},
		})

		if err != nil {
			p.logger.Debug(fmt.Sprintf("Failed to query SushiSwap PairCreated events: %v", err))
			continue
		}

		// Parse each PairCreated event
		for _, logData := range logs {
			logMap, ok := logData.(map[string]interface{})
			if !ok {
				continue
			}

			topics, ok := logMap["topics"].([]interface{})
			if !ok || len(topics) < 4 {
				continue
			}

			// Extract token addresses and pair address
			token0 := common.HexToAddress(topics[1].(string))
			token1 := common.HexToAddress(topics[2].(string))
			pairAddr := common.HexToAddress(topics[3].(string))

			// Extract block number
			blockNumHex, ok := logMap["blockNumber"].(string)
			if !ok {
				continue
			}
			blockNum := common.HexToHash(blockNumHex).Big().Uint64()

			pool := &PoolInfo{
				Address:      pairAddr,
				Protocol:     ProtocolSushiSwapV2,
				PoolType:     "UniswapV2",
				Token0:       token0,
				Token1:       token1,
				Fee:          30, // SushiSwap V2 has 0.3% fee
				CreatedBlock: blockNum,
				IsActive:     true,
				LastUpdated:  time.Now(),
			}

			pools = append(pools, pool)
		}
	}

	return pools, nil
}

func (p *SushiSwapV2Parser) GetPoolInfo(poolAddress common.Address) (*PoolInfo, error) {
	// Query the pool contract for token information
	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	// Create pool contract interface
	poolABI := `[
		{"name": "token0", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "address"}]},
		{"name": "token1", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "address"}]},
		{"name": "getReserves", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "_reserve0", "type": "uint112"}, {"name": "_reserve1", "type": "uint112"}, {"name": "_blockTimestampLast", "type": "uint32"}]}
	]`

	parsedABI, err := abi.JSON(strings.NewReader(poolABI))
	if err != nil {
		return nil, fmt.Errorf("failed to parse pool ABI: %w", err)
	}

	// Query token0
	token0Data, err := parsedABI.Pack("token0")
	if err != nil {
		return nil, fmt.Errorf("failed to pack token0 call: %w", err)
	}

	var token0Result string
	err = p.client.CallContext(ctx, &token0Result, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", token0Data),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query token0: %w", err)
	}

	// Query token1
	token1Data, err := parsedABI.Pack("token1")
	if err != nil {
		return nil, fmt.Errorf("failed to pack token1 call: %w", err)
	}

	var token1Result string
	err = p.client.CallContext(ctx, &token1Result, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", token1Data),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query token1: %w", err)
	}

	// Decode token0 result using ABI
	token0ResultBytes := common.FromHex(token0Result)
	token0Results, err := parsedABI.Unpack("token0", token0ResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack token0 result: %w", err)
	}
	if len(token0Results) == 0 {
		return nil, fmt.Errorf("empty token0 result")
	}
	token0, ok := token0Results[0].(common.Address)
	if !ok {
		return nil, fmt.Errorf("token0 result is not an address")
	}

	// Decode token1 result using ABI
	token1ResultBytes := common.FromHex(token1Result)
	token1Results, err := parsedABI.Unpack("token1", token1ResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack token1 result: %w", err)
	}
	if len(token1Results) == 0 {
		return nil, fmt.Errorf("empty token1 result")
	}
	token1, ok := token1Results[0].(common.Address)
	if !ok {
		return nil, fmt.Errorf("token1 result is not an address")
	}

	return &PoolInfo{
		Address:     poolAddress,
		Protocol:    ProtocolSushiSwapV2,
		PoolType:    "UniswapV2",
		Token0:      token0,
		Token1:      token1,
		Fee:         30, // SushiSwap V2 uses 0.3% fee
		IsActive:    true,
		LastUpdated: time.Now(),
	}, nil
}

func (p *SushiSwapV2Parser) EnrichEventData(event *EnhancedDEXEvent) error {
	return nil
}

func NewSushiSwapV3Parser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	// SushiSwap V3 uses similar interface to Uniswap V3 but with different addresses
	base := NewBaseProtocolParser(client, logger, ProtocolSushiSwapV3)
	parser := &UniswapV3Parser{BaseProtocolParser: base}
	// Override with SushiSwap V3 specific addresses
	parser.contracts[ContractTypeFactory] = []common.Address{
		common.HexToAddress("0x1af415a1EbA07a4986a52B6f2e7dE7003D82231e"), // SushiSwap V3 Factory
	}
	parser.protocol = ProtocolSushiSwapV3
	return parser
}

// CamelotV2Parser - Real implementation for Camelot V2
type CamelotV2Parser struct {
	*BaseProtocolParser
	contractABI abi.ABI
}

// CamelotV3Parser - Implements CamelotV3 (similar to Uniswap V3 but with Camelot-specific features)
type CamelotV3Parser struct {
	*BaseProtocolParser
	contractABI abi.ABI
}

// TraderJoeV2Parser - Implements TraderJoe V2 with liquidity bins (LB) and concentrated liquidity
type TraderJoeV2Parser struct {
	*BaseProtocolParser
	contractABI abi.ABI
}

// KyberElasticParser - Implements KyberSwap Elastic with concentrated liquidity (V3-style)
type KyberElasticParser struct {
	*BaseProtocolParser
	contractABI abi.ABI
}

func NewCamelotV2Parser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolCamelotV2)
	parser := &CamelotV2Parser{BaseProtocolParser: base}
	parser.initializeCamelotV2()
	return parser
}

func (p *CamelotV2Parser) initializeCamelotV2() {
	// Camelot V2 contracts on Arbitrum
	p.contracts[ContractTypeFactory] = []common.Address{
		common.HexToAddress("0x6EcCab422D763aC031210895C81787E87B91B678"), // Camelot V2 Factory
	}
	p.contracts[ContractTypeRouter] = []common.Address{
		common.HexToAddress("0xc873fEcbd354f5A56E00E710B90EF4201db2448d"), // Camelot V2 Router
	}

	// Camelot uses same event signature as Uniswap V2
	swapTopic := crypto.Keccak256Hash([]byte("Swap(address,uint256,uint256,uint256,uint256,address)"))
	p.eventSigs[swapTopic] = &EventSignature{
		Topic0:      swapTopic,
		Name:        "Swap",
		Protocol:    ProtocolCamelotV2,
		EventType:   EventTypeSwap,
		Description: "Camelot V2 swap event",
	}

	p.loadCamelotV2ABI()
}

func (p *CamelotV2Parser) loadCamelotV2ABI() {
	abiJSON := `[
		{
			"anonymous": false,
			"inputs": [
				{"indexed": true, "name": "sender", "type": "address"},
				{"indexed": false, "name": "amount0In", "type": "uint256"},
				{"indexed": false, "name": "amount1In", "type": "uint256"},
				{"indexed": false, "name": "amount0Out", "type": "uint256"},
				{"indexed": false, "name": "amount1Out", "type": "uint256"},
				{"indexed": true, "name": "to", "type": "address"}
			],
			"name": "Swap",
			"type": "event"
		}
	]`

	var err error
	p.contractABI, err = abi.JSON(strings.NewReader(abiJSON))
	if err != nil {
		p.logger.Error(fmt.Sprintf("Failed to parse Camelot V2 ABI: %v", err))
	}
}

func (p *CamelotV2Parser) GetSupportedEventTypes() []EventType {
	return []EventType{EventTypeSwap, EventTypeLiquidityAdd, EventTypeLiquidityRemove}
}

func (p *CamelotV2Parser) GetSupportedContractTypes() []ContractType {
	return []ContractType{ContractTypeFactory, ContractTypeRouter, ContractTypePool}
}

func (p *CamelotV2Parser) GetContractInfo(address common.Address) (*ContractInfo, error) {
	for contractType, addresses := range p.contracts {
		for _, addr := range addresses {
			if addr == address {
				return &ContractInfo{
					Address:      address,
					ContractType: contractType,
					Protocol:     ProtocolCamelotV2,
					Name:         fmt.Sprintf("Camelot V2 %s", contractType),
				}, nil
			}
		}
	}
	return nil, fmt.Errorf("unknown Camelot V2 contract: %s", address.Hex())
}

func (p *CamelotV2Parser) ParseTransactionLogs(tx *types.Transaction, receipt *types.Receipt) ([]*EnhancedDEXEvent, error) {
	var events []*EnhancedDEXEvent

	for _, log := range receipt.Logs {
		if event, err := p.ParseLog(log); err == nil && event != nil {
			event.BlockNumber = receipt.BlockNumber.Uint64()
			events = append(events, event)
		}
	}

	return events, nil
}

func (p *CamelotV2Parser) ParseLog(log *types.Log) (*EnhancedDEXEvent, error) {
	if !p.IsKnownContract(log.Address) {
		return nil, fmt.Errorf("unknown contract address: %s", log.Address.Hex())
	}

	event := &EnhancedDEXEvent{
		Protocol:      ProtocolCamelotV2,
		EventType:     EventTypeSwap,
		DecodedParams: make(map[string]interface{}),
	}

	if len(log.Topics) > 0 {
		if sig, exists := p.eventSigs[log.Topics[0]]; exists {
			switch sig.Name {
			case "Swap":
				return p.parseSwapEvent(log, event)
			default:
				return nil, fmt.Errorf("unsupported event: %s", sig.Name)
			}
		}
	}

	return nil, fmt.Errorf("unrecognized event signature")
}

func (p *CamelotV2Parser) parseSwapEvent(log *types.Log, event *EnhancedDEXEvent) (*EnhancedDEXEvent, error) {
	if len(log.Topics) > 1 {
		event.Sender = common.BytesToAddress(log.Topics[1].Bytes())
	}
	if len(log.Topics) > 2 {
		event.Recipient = common.BytesToAddress(log.Topics[2].Bytes())
	}

	swapEvent := p.contractABI.Events["Swap"]
	decoded, err := p.decodeLogData(log, &swapEvent)
	if err != nil {
		return nil, fmt.Errorf("failed to decode Camelot swap event: %w", err)
	}

	event.DecodedParams = decoded
	event.PoolAddress = log.Address
	event.Factory = common.HexToAddress("0x6EcCab422D763aC031210895C81787E87B91B678")
	event.Router = common.HexToAddress("0xc873fEcbd354f5A56E00E710B90EF4201db2448d")

	// Extract amounts
	if amount0In, ok := decoded["amount0In"].(*big.Int); ok && amount0In.Sign() > 0 {
		event.AmountIn = amount0In
	}
	if amount1In, ok := decoded["amount1In"].(*big.Int); ok && amount1In.Sign() > 0 {
		event.AmountIn = amount1In
	}
	if amount0Out, ok := decoded["amount0Out"].(*big.Int); ok && amount0Out.Sign() > 0 {
		event.AmountOut = amount0Out
	}
	if amount1Out, ok := decoded["amount1Out"].(*big.Int); ok && amount1Out.Sign() > 0 {
		event.AmountOut = amount1Out
	}

	// Camelot V2 uses dynamic fees, default 0.3%
	event.FeeBps = 30
	event.PoolFee = 30

	return event, nil
}

func (p *CamelotV2Parser) ParseTransactionData(tx *types.Transaction) (*EnhancedDEXEvent, error) {
	if len(tx.Data()) < 4 {
		return nil, fmt.Errorf("transaction data too short")
	}

	selector := fmt.Sprintf("0x%x", tx.Data()[:4])
	if sig, exists := p.functionSigs[selector]; exists {
		return &EnhancedDEXEvent{
			Protocol:      ProtocolCamelotV2,
			EventType:     sig.EventType,
			DecodedParams: make(map[string]interface{}),
		}, nil
	}

	return nil, fmt.Errorf("unknown function selector: %s", selector)
}

func (p *CamelotV2Parser) DecodeFunctionCall(data []byte) (*EnhancedDEXEvent, error) {
	if len(data) < 4 {
		return nil, fmt.Errorf("data too short for function selector")
	}

	selector := fmt.Sprintf("0x%x", data[:4])
	if sig, exists := p.functionSigs[selector]; exists {
		return &EnhancedDEXEvent{
			Protocol:      ProtocolCamelotV2,
			EventType:     sig.EventType,
			DecodedParams: make(map[string]interface{}),
		}, nil
	}

	return nil, fmt.Errorf("unknown function selector: %s", selector)
}

func (p *CamelotV2Parser) DiscoverPools(fromBlock, toBlock uint64) ([]*PoolInfo, error) {
	var pools []*PoolInfo

	// PairCreated event signature (same as Uniswap V2)
	pairCreatedTopic := crypto.Keccak256Hash([]byte("PairCreated(address,address,address,uint256)"))

	// Query logs from Camelot factory contract
	factoryAddresses := p.contracts[ContractTypeFactory]
	if len(factoryAddresses) == 0 {
		return nil, fmt.Errorf("no factory addresses configured")
	}

	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
	defer cancel()

	for _, factoryAddr := range factoryAddresses {
		var logs []interface{}
		err := p.client.CallContext(ctx, &logs, "eth_getLogs", map[string]interface{}{
			"fromBlock": fmt.Sprintf("0x%x", fromBlock),
			"toBlock":   fmt.Sprintf("0x%x", toBlock),
			"address":   factoryAddr.Hex(),
			"topics":    []interface{}{pairCreatedTopic.Hex()},
		})

		if err != nil {
			continue
		}

		// Parse each PairCreated event (same logic as other V2 parsers)
		for _, logData := range logs {
			logMap, ok := logData.(map[string]interface{})
			if !ok {
				continue
			}

			topics, ok := logMap["topics"].([]interface{})
			if !ok || len(topics) < 4 {
				continue
			}

			token0 := common.HexToAddress(topics[1].(string))
			token1 := common.HexToAddress(topics[2].(string))
			pairAddr := common.HexToAddress(topics[3].(string))

			blockNumHex, ok := logMap["blockNumber"].(string)
			if !ok {
				continue
			}
			blockNum := common.HexToHash(blockNumHex).Big().Uint64()

			pools = append(pools, &PoolInfo{
				Address:      pairAddr,
				Protocol:     ProtocolCamelotV2,
				PoolType:     "UniswapV2",
				Token0:       token0,
				Token1:       token1,
				Fee:          30, // Camelot V2 dynamic fees, default 0.3%
				CreatedBlock: blockNum,
				IsActive:     true,
				LastUpdated:  time.Now(),
			})
		}
	}

	return pools, nil
}

func (p *CamelotV2Parser) GetPoolInfo(poolAddress common.Address) (*PoolInfo, error) {
	// Query the pool contract for token information
	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	// Camelot V2 uses same interface as Uniswap V2
	poolABI := `[
		{"name": "token0", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "address"}]},
		{"name": "token1", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "address"}]},
		{"name": "getReserves", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "_reserve0", "type": "uint112"}, {"name": "_reserve1", "type": "uint112"}, {"name": "_blockTimestampLast", "type": "uint32"}]}
	]`

	parsedABI, err := abi.JSON(strings.NewReader(poolABI))
	if err != nil {
		return nil, fmt.Errorf("failed to parse pool ABI: %w", err)
	}

	// Query token0
	token0Data, err := parsedABI.Pack("token0")
	if err != nil {
		return nil, fmt.Errorf("failed to pack token0 call: %w", err)
	}

	var token0Result string
	err = p.client.CallContext(ctx, &token0Result, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", token0Data),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query token0: %w", err)
	}

	// Query token1
	token1Data, err := parsedABI.Pack("token1")
	if err != nil {
		return nil, fmt.Errorf("failed to pack token1 call: %w", err)
	}

	var token1Result string
	err = p.client.CallContext(ctx, &token1Result, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", token1Data),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query token1: %w", err)
	}

	// Decode token0 result using ABI
	token0ResultBytes := common.FromHex(token0Result)
	token0Results, err := parsedABI.Unpack("token0", token0ResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack token0 result: %w", err)
	}
	if len(token0Results) == 0 {
		return nil, fmt.Errorf("empty token0 result")
	}
	token0, ok := token0Results[0].(common.Address)
	if !ok {
		return nil, fmt.Errorf("token0 result is not an address")
	}

	// Decode token1 result using ABI
	token1ResultBytes := common.FromHex(token1Result)
	token1Results, err := parsedABI.Unpack("token1", token1ResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack token1 result: %w", err)
	}
	if len(token1Results) == 0 {
		return nil, fmt.Errorf("empty token1 result")
	}
	token1, ok := token1Results[0].(common.Address)
	if !ok {
		return nil, fmt.Errorf("token1 result is not an address")
	}

	return &PoolInfo{
		Address:     poolAddress,
		Protocol:    ProtocolCamelotV2,
		PoolType:    "UniswapV2",
		Token0:      token0,
		Token1:      token1,
		Fee:         30, // Camelot V2 uses dynamic fees, default 0.3%
		IsActive:    true,
		LastUpdated: time.Now(),
	}, nil
}

func (p *CamelotV2Parser) EnrichEventData(event *EnhancedDEXEvent) error {
	return nil
}

// CamelotV3Parser Implementation
func (p *CamelotV3Parser) initializeCamelotV3() {
	// Camelot V3 contract addresses on Arbitrum
	p.contracts[ContractTypeFactory] = []common.Address{
		common.HexToAddress("0x1a3c9B1d2F0529D97f2afC5136Cc23e58f1FD35B"), // Camelot V3 Factory
	}
	p.contracts[ContractTypeRouter] = []common.Address{
		common.HexToAddress("0x1F721E2E82F6676FCE4eA07A5958cF098D339e18"), // Camelot V3 Router
	}

	// Camelot V3 uses similar events to Uniswap V3 but with different signatures
	swapTopic := crypto.Keccak256Hash([]byte("Swap(address,address,int256,int256,uint160,uint128,int24)"))
	poolCreatedTopic := crypto.Keccak256Hash([]byte("PoolCreated(address,address,uint24,int24,address)"))

	p.eventSigs[swapTopic] = &EventSignature{
		Topic0:      swapTopic,
		Name:        "Swap",
		Protocol:    ProtocolCamelotV3,
		EventType:   EventTypeSwap,
		Description: "Camelot V3 swap event",
	}
	p.eventSigs[poolCreatedTopic] = &EventSignature{
		Topic0:      poolCreatedTopic,
		Name:        "PoolCreated",
		Protocol:    ProtocolCamelotV3,
		EventType:   EventTypePoolCreated,
		Description: "Camelot V3 pool creation event",
	}

	p.loadCamelotV3ABI()
}

func (p *CamelotV3Parser) loadCamelotV3ABI() {
	// Simplified Camelot V3 ABI - key functions and events
	abiJSON := `[
		{"anonymous":false,"inputs":[{"indexed":true,"name":"sender","type":"address"},{"indexed":true,"name":"recipient","type":"address"},{"indexed":false,"name":"amount0","type":"int256"},{"indexed":false,"name":"amount1","type":"int256"},{"indexed":false,"name":"sqrtPriceX96","type":"uint160"},{"indexed":false,"name":"liquidity","type":"uint128"},{"indexed":false,"name":"tick","type":"int24"}],"name":"Swap","type":"event"},
		{"inputs":[{"name":"tokenA","type":"address"},{"name":"tokenB","type":"address"},{"name":"fee","type":"uint24"},{"name":"amountIn","type":"uint256"},{"name":"amountOutMin","type":"uint256"},{"name":"path","type":"bytes"},{"name":"to","type":"address"},{"name":"deadline","type":"uint256"}],"name":"exactInputSingle","outputs":[{"name":"amountOut","type":"uint256"}],"stateMutability":"payable","type":"function"}
	]`

	parsedABI, err := abi.JSON(strings.NewReader(abiJSON))
	if err != nil {
		p.logger.Error("Failed to parse Camelot V3 ABI:", err)
		return
	}
	p.contractABI = parsedABI

	// Function signatures for common Camelot V3 functions
	exactInputSelector := "0x414bf389"
	exactInputBytes := [4]byte{0x41, 0x4b, 0xf3, 0x89}
	p.functionSigs[exactInputSelector] = &FunctionSignature{
		Selector:    exactInputBytes,
		Name:        "exactInputSingle",
		Protocol:    ProtocolCamelotV3,
		EventType:   EventTypeSwap,
		Description: "Camelot V3 exact input single swap",
	}
}

func (p *CamelotV3Parser) GetSupportedContracts() []ContractType {
	return []ContractType{ContractTypeFactory, ContractTypeRouter, ContractTypePool}
}

func (p *CamelotV3Parser) GetSupportedContractTypes() []ContractType {
	return []ContractType{ContractTypeFactory, ContractTypeRouter, ContractTypePool}
}

func (p *CamelotV3Parser) GetSupportedEventTypes() []EventType {
	return []EventType{EventTypeSwap, EventTypeLiquidityAdd, EventTypeLiquidityRemove, EventTypePoolCreated, EventTypePositionUpdate}
}

func (p *CamelotV3Parser) GetContractInfo(address common.Address) (*ContractInfo, error) {
	for contractType, addresses := range p.contracts {
		for _, addr := range addresses {
			if addr == address {
				return &ContractInfo{
					Address:      address,
					ContractType: contractType,
					Protocol:     ProtocolCamelotV3,
					Name:         fmt.Sprintf("Camelot V3 %s", contractType),
				}, nil
			}
		}
	}
	return nil, fmt.Errorf("unknown Camelot V3 contract: %s", address.Hex())
}

func (p *CamelotV3Parser) IsKnownContract(address common.Address) bool {
	_, err := p.GetContractInfo(address)
	return err == nil
}

func (p *CamelotV3Parser) ParseLog(log *types.Log) (*EnhancedDEXEvent, error) {
	if !p.IsKnownContract(log.Address) {
		return nil, fmt.Errorf("unknown contract address: %s", log.Address.Hex())
	}

	event := &EnhancedDEXEvent{
		Protocol:      ProtocolCamelotV3,
		EventType:     EventTypeSwap,
		DecodedParams: make(map[string]interface{}),
	}

	if len(log.Topics) > 0 {
		if sig, exists := p.eventSigs[log.Topics[0]]; exists {
			event.EventType = sig.EventType

			// Parse Camelot V3 Swap event
			if sig.Name == "Swap" && len(log.Topics) >= 3 {
				// Extract indexed parameters
				event.DecodedParams["sender"] = common.HexToAddress(log.Topics[1].Hex())
				event.DecodedParams["recipient"] = common.HexToAddress(log.Topics[2].Hex())

				// Decode non-indexed parameters from data
				if len(log.Data) >= 160 { // 5 * 32 bytes
					amount0 := new(big.Int).SetBytes(log.Data[0:32])
					amount1 := new(big.Int).SetBytes(log.Data[32:64])
					sqrtPriceX96 := new(big.Int).SetBytes(log.Data[64:96])
					liquidity := new(big.Int).SetBytes(log.Data[96:128])
					tick := new(big.Int).SetBytes(log.Data[128:160])

					event.DecodedParams["amount0"] = amount0
					event.DecodedParams["amount1"] = amount1
					event.DecodedParams["sqrtPriceX96"] = sqrtPriceX96
					event.DecodedParams["liquidity"] = liquidity
					event.DecodedParams["tick"] = tick
				}
			}
		}
	}

	return event, nil
}

func (p *CamelotV3Parser) ParseTransactionData(tx *types.Transaction) (*EnhancedDEXEvent, error) {
	if len(tx.Data()) < 4 {
		return nil, fmt.Errorf("transaction data too short")
	}

	selector := fmt.Sprintf("0x%x", tx.Data()[:4])
	if sig, exists := p.functionSigs[selector]; exists {
		event := &EnhancedDEXEvent{
			Protocol:      ProtocolCamelotV3,
			EventType:     sig.EventType,
			DecodedParams: make(map[string]interface{}),
		}

		// Decode exactInputSingle function
		if sig.Name == "exactInputSingle" && len(tx.Data()) >= 260 {
			// Decode parameters (simplified)
			data := tx.Data()[4:] // Skip function selector
			if len(data) >= 256 {
				tokenIn := common.BytesToAddress(data[12:32])
				tokenOut := common.BytesToAddress(data[44:64])
				fee := new(big.Int).SetBytes(data[64:96])
				amountIn := new(big.Int).SetBytes(data[96:128])
				amountOutMin := new(big.Int).SetBytes(data[128:160])

				event.DecodedParams["tokenIn"] = tokenIn
				event.DecodedParams["tokenOut"] = tokenOut
				event.DecodedParams["fee"] = fee
				event.DecodedParams["amountIn"] = amountIn
				event.DecodedParams["amountOutMin"] = amountOutMin
			}
		}

		return event, nil
	}

	return nil, fmt.Errorf("unknown function selector: %s", selector)
}

func (p *CamelotV3Parser) DecodeFunctionCall(data []byte) (*EnhancedDEXEvent, error) {
	if len(data) < 4 {
		return nil, fmt.Errorf("data too short for function selector")
	}

	selector := fmt.Sprintf("0x%x", data[:4])
	if sig, exists := p.functionSigs[selector]; exists {
		event := &EnhancedDEXEvent{
			Protocol:      ProtocolCamelotV3,
			EventType:     sig.EventType,
			DecodedParams: make(map[string]interface{}),
		}

		// Use same decoding logic as ParseTransactionData
		if sig.Name == "exactInputSingle" {
			callData := data[4:]
			if len(callData) >= 256 {
				tokenIn := common.BytesToAddress(callData[12:32])
				tokenOut := common.BytesToAddress(callData[44:64])
				fee := new(big.Int).SetBytes(callData[64:96])
				amountIn := new(big.Int).SetBytes(callData[96:128])

				event.DecodedParams["tokenIn"] = tokenIn
				event.DecodedParams["tokenOut"] = tokenOut
				event.DecodedParams["fee"] = fee
				event.DecodedParams["amountIn"] = amountIn
			}
		}

		return event, nil
	}

	return nil, fmt.Errorf("unknown function selector: %s", selector)
}

func (p *CamelotV3Parser) DiscoverPools(fromBlock, toBlock uint64) ([]*PoolInfo, error) {
	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
	defer cancel()

	var pools []*PoolInfo
	poolCreatedTopic := crypto.Keccak256Hash([]byte("PoolCreated(address,address,uint24,int24,address)"))

	factoryAddresses := p.contracts[ContractTypeFactory]
	for _, factoryAddr := range factoryAddresses {
		var logs []interface{}
		err := p.client.CallContext(ctx, &logs, "eth_getLogs", map[string]interface{}{
			"fromBlock": fmt.Sprintf("0x%x", fromBlock),
			"toBlock":   fmt.Sprintf("0x%x", toBlock),
			"address":   factoryAddr.Hex(),
			"topics":    []interface{}{poolCreatedTopic.Hex()},
		})

		if err != nil {
			p.logger.Debug(fmt.Sprintf("Failed to query Camelot V3 PoolCreated events: %v", err))
			continue
		}

		for _, logEntry := range logs {
			logMap, ok := logEntry.(map[string]interface{})
			if !ok {
				continue
			}

			// Extract pool address from topics[3] (4th topic)
			if topics, ok := logMap["topics"].([]interface{}); ok && len(topics) >= 4 {
				poolAddr := common.HexToAddress(topics[3].(string))
				token0 := common.HexToAddress(topics[1].(string))
				token1 := common.HexToAddress(topics[2].(string))

				// Extract fee from data
				if data, ok := logMap["data"].(string); ok && len(data) >= 66 {
					feeBytes := common.FromHex(data[2:66]) // Skip 0x prefix, get first 32 bytes
					fee := new(big.Int).SetBytes(feeBytes).Uint64()

					blockNumHex, _ := logMap["blockNumber"].(string)
					blockNum := common.HexToHash(blockNumHex).Big().Uint64()

					pool := &PoolInfo{
						Address:      poolAddr,
						Protocol:     ProtocolCamelotV3,
						PoolType:     "CamelotV3",
						Token0:       token0,
						Token1:       token1,
						Fee:          uint32(fee),
						CreatedBlock: blockNum,
						IsActive:     true,
						LastUpdated:  time.Now(),
					}

					pools = append(pools, pool)
				}
			}
		}
	}

	return pools, nil
}

func (p *CamelotV3Parser) GetPoolInfo(poolAddress common.Address) (*PoolInfo, error) {
	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	// Create pool contract ABI for basic queries (same as Uniswap V3)
	poolABI := `[
		{"name": "token0", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "address"}]},
		{"name": "token1", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "address"}]},
		{"name": "fee", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "uint24"}]}
	]`

	parsedABI, err := abi.JSON(strings.NewReader(poolABI))
	if err != nil {
		return nil, fmt.Errorf("failed to parse pool ABI: %w", err)
	}

	// Query token0
	token0Data, err := parsedABI.Pack("token0")
	if err != nil {
		return nil, fmt.Errorf("failed to pack token0 call: %w", err)
	}

	var token0Result string
	err = p.client.CallContext(ctx, &token0Result, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", token0Data),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query token0: %w", err)
	}

	// Query token1
	token1Data, err := parsedABI.Pack("token1")
	if err != nil {
		return nil, fmt.Errorf("failed to pack token1 call: %w", err)
	}

	var token1Result string
	err = p.client.CallContext(ctx, &token1Result, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", token1Data),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query token1: %w", err)
	}

	// Query fee
	feeData, err := parsedABI.Pack("fee")
	if err != nil {
		return nil, fmt.Errorf("failed to pack fee call: %w", err)
	}

	var feeResult string
	err = p.client.CallContext(ctx, &feeResult, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", feeData),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query fee: %w", err)
	}

	// Decode results using ABI
	token0ResultBytes := common.FromHex(token0Result)
	token0Results, err := parsedABI.Unpack("token0", token0ResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack token0 result: %w", err)
	}
	if len(token0Results) == 0 {
		return nil, fmt.Errorf("empty token0 result")
	}
	token0, ok := token0Results[0].(common.Address)
	if !ok {
		return nil, fmt.Errorf("token0 result is not an address")
	}

	token1ResultBytes := common.FromHex(token1Result)
	token1Results, err := parsedABI.Unpack("token1", token1ResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack token1 result: %w", err)
	}
	if len(token1Results) == 0 {
		return nil, fmt.Errorf("empty token1 result")
	}
	token1, ok := token1Results[0].(common.Address)
	if !ok {
		return nil, fmt.Errorf("token1 result is not an address")
	}

	feeResultBytes := common.FromHex(feeResult)
	feeResults, err := parsedABI.Unpack("fee", feeResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack fee result: %w", err)
	}
	if len(feeResults) == 0 {
		return nil, fmt.Errorf("empty fee result")
	}
	feeValue, ok := feeResults[0].(*big.Int)
	if !ok {
		return nil, fmt.Errorf("fee result is not a big.Int")
	}
	fee := feeValue.Uint64()

	return &PoolInfo{
		Address:     poolAddress,
		Protocol:    ProtocolCamelotV3,
		PoolType:    "CamelotV3",
		Token0:      token0,
		Token1:      token1,
		Fee:         uint32(fee),
		IsActive:    true,
		LastUpdated: time.Now(),
	}, nil
}

func (p *CamelotV3Parser) ParseTransactionLogs(tx *types.Transaction, receipt *types.Receipt) ([]*EnhancedDEXEvent, error) {
	var events []*EnhancedDEXEvent
	for _, log := range receipt.Logs {
		if event, err := p.ParseLog(log); err == nil && event != nil {
			event.BlockNumber = receipt.BlockNumber.Uint64()
			event.TxHash = tx.Hash()
			event.LogIndex = uint64(log.Index)
			events = append(events, event)
		}
	}
	return events, nil
}

func (p *CamelotV3Parser) EnrichEventData(event *EnhancedDEXEvent) error {
	return nil
}

func NewCamelotV3Parser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolCamelotV3)
	parser := &CamelotV3Parser{BaseProtocolParser: base}
	parser.initializeCamelotV3()
	return parser
}

// TraderJoeV2Parser Implementation
func (p *TraderJoeV2Parser) initializeTraderJoeV2() {
	// TraderJoe V2 contract addresses on Arbitrum (Liquidity Book protocol)
	p.contracts[ContractTypeFactory] = []common.Address{
		common.HexToAddress("0x8e42f2F4101563bF679975178e880FD87d3eFd4e"), // TraderJoe V2.1 LB Factory
	}
	p.contracts[ContractTypeRouter] = []common.Address{
		common.HexToAddress("0xb4315e873dBcf96Ffd0acd8EA43f689D8c20fB30"), // TraderJoe V2.1 LB Router
	}

	// TraderJoe V2 uses unique events for liquidity bins
	swapTopic := crypto.Keccak256Hash([]byte("Swap(address,address,uint24,bytes32,bytes32,uint24,bytes32,bytes32)"))
	depositTopic := crypto.Keccak256Hash([]byte("DepositedToBins(address,address,uint256[],bytes32[])"))
	withdrawTopic := crypto.Keccak256Hash([]byte("WithdrawnFromBins(address,address,uint256[],bytes32[])"))
	pairCreatedTopic := crypto.Keccak256Hash([]byte("LBPairCreated(address,address,uint256,address,uint256)"))

	p.eventSigs[swapTopic] = &EventSignature{
		Topic0:      swapTopic,
		Name:        "Swap",
		Protocol:    ProtocolTraderJoeV2,
		EventType:   EventTypeSwap,
		Description: "TraderJoe V2 liquidity bin swap event",
	}
	p.eventSigs[depositTopic] = &EventSignature{
		Topic0:      depositTopic,
		Name:        "DepositedToBins",
		Protocol:    ProtocolTraderJoeV2,
		EventType:   EventTypeLiquidityAdd,
		Description: "TraderJoe V2 liquidity addition to bins",
	}
	p.eventSigs[withdrawTopic] = &EventSignature{
		Topic0:      withdrawTopic,
		Name:        "WithdrawnFromBins",
		Protocol:    ProtocolTraderJoeV2,
		EventType:   EventTypeLiquidityRemove,
		Description: "TraderJoe V2 liquidity removal from bins",
	}
	p.eventSigs[pairCreatedTopic] = &EventSignature{
		Topic0:      pairCreatedTopic,
		Name:        "LBPairCreated",
		Protocol:    ProtocolTraderJoeV2,
		EventType:   EventTypePoolCreated,
		Description: "TraderJoe V2 liquidity book pair created",
	}

	p.loadTraderJoeV2ABI()
}

func (p *TraderJoeV2Parser) loadTraderJoeV2ABI() {
	// Simplified TraderJoe V2 ABI - liquidity book functions
	abiJSON := `[
		{"anonymous":false,"inputs":[{"indexed":true,"name":"sender","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"id","type":"uint24"},{"indexed":false,"name":"amountsIn","type":"bytes32"},{"indexed":false,"name":"amountsOut","type":"bytes32"},{"indexed":false,"name":"volatilityAccumulator","type":"uint24"},{"indexed":false,"name":"totalFees","type":"bytes32"},{"indexed":false,"name":"protocolFees","type":"bytes32"}],"name":"Swap","type":"event"},
		{"inputs":[{"name":"tokenX","type":"address"},{"name":"tokenY","type":"address"},{"name":"binStep","type":"uint256"},{"name":"amountIn","type":"uint256"},{"name":"amountOutMin","type":"uint256"},{"name":"activeIdDesired","type":"uint24"},{"name":"idSlippage","type":"uint24"},{"name":"path","type":"uint256[]"},{"name":"to","type":"address"},{"name":"deadline","type":"uint256"}],"name":"swapExactTokensForTokens","outputs":[{"name":"amountOut","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}
	]`

	parsedABI, err := abi.JSON(strings.NewReader(abiJSON))
	if err != nil {
		p.logger.Error("Failed to parse TraderJoe V2 ABI:", err)
		return
	}
	p.contractABI = parsedABI

	// Function signatures for TraderJoe V2 functions
	swapSelector := "0x38ed1739"
	swapBytes := [4]byte{0x38, 0xed, 0x17, 0x39}
	p.functionSigs[swapSelector] = &FunctionSignature{
		Selector:    swapBytes,
		Name:        "swapExactTokensForTokens",
		Protocol:    ProtocolTraderJoeV2,
		EventType:   EventTypeSwap,
		Description: "TraderJoe V2 exact tokens swap",
	}
}

func (p *TraderJoeV2Parser) GetSupportedContracts() []ContractType {
	return []ContractType{ContractTypeFactory, ContractTypeRouter, ContractTypePool}
}

func (p *TraderJoeV2Parser) GetSupportedContractTypes() []ContractType {
	return []ContractType{ContractTypeFactory, ContractTypeRouter, ContractTypePool}
}

func (p *TraderJoeV2Parser) GetSupportedEventTypes() []EventType {
	return []EventType{EventTypeSwap, EventTypeLiquidityAdd, EventTypeLiquidityRemove, EventTypePoolCreated}
}

func (p *TraderJoeV2Parser) GetContractInfo(address common.Address) (*ContractInfo, error) {
	for contractType, addresses := range p.contracts {
		for _, addr := range addresses {
			if addr == address {
				return &ContractInfo{
					Address:      address,
					ContractType: contractType,
					Protocol:     ProtocolTraderJoeV2,
					Name:         fmt.Sprintf("TraderJoe V2 %s", contractType),
				}, nil
			}
		}
	}
	return nil, fmt.Errorf("unknown TraderJoe V2 contract: %s", address.Hex())
}

func (p *TraderJoeV2Parser) IsKnownContract(address common.Address) bool {
	_, err := p.GetContractInfo(address)
	return err == nil
}

func (p *TraderJoeV2Parser) ParseLog(log *types.Log) (*EnhancedDEXEvent, error) {
	if !p.IsKnownContract(log.Address) {
		return nil, fmt.Errorf("unknown contract address: %s", log.Address.Hex())
	}

	event := &EnhancedDEXEvent{
		Protocol:      ProtocolTraderJoeV2,
		EventType:     EventTypeSwap,
		DecodedParams: make(map[string]interface{}),
	}

	if len(log.Topics) > 0 {
		if sig, exists := p.eventSigs[log.Topics[0]]; exists {
			event.EventType = sig.EventType

			// Parse TraderJoe V2 Swap event
			if sig.Name == "Swap" && len(log.Topics) >= 3 {
				// Extract indexed parameters
				event.DecodedParams["sender"] = common.HexToAddress(log.Topics[1].Hex())
				event.DecodedParams["to"] = common.HexToAddress(log.Topics[2].Hex())

				// Decode non-indexed parameters from data
				if len(log.Data) >= 224 { // 7 * 32 bytes
					id := new(big.Int).SetBytes(log.Data[0:32])
					amountsIn := log.Data[32:64]
					amountsOut := log.Data[64:96]
					volatilityAccumulator := new(big.Int).SetBytes(log.Data[96:128])
					totalFees := log.Data[128:160]
					protocolFees := log.Data[160:192]

					event.DecodedParams["id"] = id
					event.DecodedParams["amountsIn"] = amountsIn
					event.DecodedParams["amountsOut"] = amountsOut
					event.DecodedParams["volatilityAccumulator"] = volatilityAccumulator
					event.DecodedParams["totalFees"] = totalFees
					event.DecodedParams["protocolFees"] = protocolFees
				}
			}
		}
	}

	return event, nil
}

func (p *TraderJoeV2Parser) ParseTransactionData(tx *types.Transaction) (*EnhancedDEXEvent, error) {
	if len(tx.Data()) < 4 {
		return nil, fmt.Errorf("transaction data too short")
	}

	selector := fmt.Sprintf("0x%x", tx.Data()[:4])
	if sig, exists := p.functionSigs[selector]; exists {
		event := &EnhancedDEXEvent{
			Protocol:      ProtocolTraderJoeV2,
			EventType:     sig.EventType,
			DecodedParams: make(map[string]interface{}),
		}

		// Decode swapExactTokensForTokens function
		if sig.Name == "swapExactTokensForTokens" && len(tx.Data()) >= 324 {
			// Decode parameters (simplified)
			data := tx.Data()[4:] // Skip function selector
			if len(data) >= 320 {
				tokenX := common.BytesToAddress(data[12:32])
				tokenY := common.BytesToAddress(data[44:64])
				binStep := new(big.Int).SetBytes(data[64:96])
				amountIn := new(big.Int).SetBytes(data[96:128])
				amountOutMin := new(big.Int).SetBytes(data[128:160])

				event.DecodedParams["tokenX"] = tokenX
				event.DecodedParams["tokenY"] = tokenY
				event.DecodedParams["binStep"] = binStep
				event.DecodedParams["amountIn"] = amountIn
				event.DecodedParams["amountOutMin"] = amountOutMin
			}
		}

		return event, nil
	}

	return nil, fmt.Errorf("unknown function selector: %s", selector)
}

func (p *TraderJoeV2Parser) DecodeFunctionCall(data []byte) (*EnhancedDEXEvent, error) {
	if len(data) < 4 {
		return nil, fmt.Errorf("data too short for function selector")
	}

	selector := fmt.Sprintf("0x%x", data[:4])
	if sig, exists := p.functionSigs[selector]; exists {
		event := &EnhancedDEXEvent{
			Protocol:      ProtocolTraderJoeV2,
			EventType:     sig.EventType,
			DecodedParams: make(map[string]interface{}),
		}

		// Use same decoding logic as ParseTransactionData
		if sig.Name == "swapExactTokensForTokens" {
			callData := data[4:]
			if len(callData) >= 320 {
				tokenX := common.BytesToAddress(callData[12:32])
				tokenY := common.BytesToAddress(callData[44:64])
				binStep := new(big.Int).SetBytes(callData[64:96])
				amountIn := new(big.Int).SetBytes(callData[96:128])

				event.DecodedParams["tokenX"] = tokenX
				event.DecodedParams["tokenY"] = tokenY
				event.DecodedParams["binStep"] = binStep
				event.DecodedParams["amountIn"] = amountIn
			}
		}

		return event, nil
	}

	return nil, fmt.Errorf("unknown function selector: %s", selector)
}

func (p *TraderJoeV2Parser) DiscoverPools(fromBlock, toBlock uint64) ([]*PoolInfo, error) {
	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
	defer cancel()

	var pools []*PoolInfo
	pairCreatedTopic := crypto.Keccak256Hash([]byte("LBPairCreated(address,address,uint256,address,uint256)"))

	factoryAddresses := p.contracts[ContractTypeFactory]
	for _, factoryAddr := range factoryAddresses {
		var logs []interface{}
		err := p.client.CallContext(ctx, &logs, "eth_getLogs", map[string]interface{}{
			"fromBlock": fmt.Sprintf("0x%x", fromBlock),
			"toBlock":   fmt.Sprintf("0x%x", toBlock),
			"address":   factoryAddr.Hex(),
			"topics":    []interface{}{pairCreatedTopic.Hex()},
		})

		if err != nil {
			p.logger.Debug(fmt.Sprintf("Failed to query TraderJoe V2 LBPairCreated events: %v", err))
			continue
		}

		for _, logEntry := range logs {
			logMap, ok := logEntry.(map[string]interface{})
			if !ok {
				continue
			}

			// Extract pair address from topics[3] (4th topic in indexed events)
			if topics, ok := logMap["topics"].([]interface{}); ok && len(topics) >= 3 {
				token0 := common.HexToAddress(topics[1].(string))
				token1 := common.HexToAddress(topics[2].(string))

				// Extract bin step and pair address from data
				if data, ok := logMap["data"].(string); ok && len(data) >= 130 {
					// Parse data: binStep (32 bytes) + pairAddress (32 bytes) + pid (32 bytes)
					dataBytes := common.FromHex(data)
					if len(dataBytes) >= 96 {
						binStep := new(big.Int).SetBytes(dataBytes[0:32]).Uint64()
						pairAddr := common.BytesToAddress(dataBytes[32:64])

						blockNumHex, _ := logMap["blockNumber"].(string)
						blockNum := common.HexToHash(blockNumHex).Big().Uint64()

						pool := &PoolInfo{
							Address:      pairAddr,
							Protocol:     ProtocolTraderJoeV2,
							PoolType:     "TraderJoeV2",
							Token0:       token0,
							Token1:       token1,
							Fee:          uint32(binStep), // Bin step acts as fee tier
							CreatedBlock: blockNum,
							IsActive:     true,
							LastUpdated:  time.Now(),
						}

						pools = append(pools, pool)
					}
				}
			}
		}
	}

	return pools, nil
}

func (p *TraderJoeV2Parser) GetPoolInfo(poolAddress common.Address) (*PoolInfo, error) {
	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	// Create LB pair contract ABI for basic queries
	poolABI := `[
		{"name": "getTokenX", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "address"}]},
		{"name": "getTokenY", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "address"}]},
		{"name": "getBinStep", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "uint16"}]}
	]`

	parsedABI, err := abi.JSON(strings.NewReader(poolABI))
	if err != nil {
		return nil, fmt.Errorf("failed to parse LB pair ABI: %w", err)
	}

	// Query tokenX
	tokenXData, err := parsedABI.Pack("getTokenX")
	if err != nil {
		return nil, fmt.Errorf("failed to pack getTokenX call: %w", err)
	}

	var tokenXResult string
	err = p.client.CallContext(ctx, &tokenXResult, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", tokenXData),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query tokenX: %w", err)
	}

	// Query tokenY
	tokenYData, err := parsedABI.Pack("getTokenY")
	if err != nil {
		return nil, fmt.Errorf("failed to pack getTokenY call: %w", err)
	}

	var tokenYResult string
	err = p.client.CallContext(ctx, &tokenYResult, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", tokenYData),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query tokenY: %w", err)
	}

	// Query binStep
	binStepData, err := parsedABI.Pack("getBinStep")
	if err != nil {
		return nil, fmt.Errorf("failed to pack getBinStep call: %w", err)
	}

	var binStepResult string
	err = p.client.CallContext(ctx, &binStepResult, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", binStepData),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query binStep: %w", err)
	}

	// Decode results using ABI
	tokenXResultBytes := common.FromHex(tokenXResult)
	tokenXResults, err := parsedABI.Unpack("getTokenX", tokenXResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack tokenX result: %w", err)
	}
	if len(tokenXResults) == 0 {
		return nil, fmt.Errorf("empty tokenX result")
	}
	tokenX, ok := tokenXResults[0].(common.Address)
	if !ok {
		return nil, fmt.Errorf("tokenX result is not an address")
	}

	tokenYResultBytes := common.FromHex(tokenYResult)
	tokenYResults, err := parsedABI.Unpack("getTokenY", tokenYResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack tokenY result: %w", err)
	}
	if len(tokenYResults) == 0 {
		return nil, fmt.Errorf("empty tokenY result")
	}
	tokenY, ok := tokenYResults[0].(common.Address)
	if !ok {
		return nil, fmt.Errorf("tokenY result is not an address")
	}

	binStepResultBytes := common.FromHex(binStepResult)
	binStepResults, err := parsedABI.Unpack("getBinStep", binStepResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack binStep result: %w", err)
	}
	if len(binStepResults) == 0 {
		return nil, fmt.Errorf("empty binStep result")
	}
	binStepValue, ok := binStepResults[0].(*big.Int)
	if !ok {
		return nil, fmt.Errorf("binStep result is not a big.Int")
	}
	binStep := binStepValue.Uint64()

	return &PoolInfo{
		Address:     poolAddress,
		Protocol:    ProtocolTraderJoeV2,
		PoolType:    "TraderJoeV2",
		Token0:      tokenX,
		Token1:      tokenY,
		Fee:         uint32(binStep),
		IsActive:    true,
		LastUpdated: time.Now(),
	}, nil
}

func (p *TraderJoeV2Parser) ParseTransactionLogs(tx *types.Transaction, receipt *types.Receipt) ([]*EnhancedDEXEvent, error) {
	var events []*EnhancedDEXEvent
	for _, log := range receipt.Logs {
		if event, err := p.ParseLog(log); err == nil && event != nil {
			event.BlockNumber = receipt.BlockNumber.Uint64()
			event.TxHash = tx.Hash()
			event.LogIndex = uint64(log.Index)
			events = append(events, event)
		}
	}
	return events, nil
}

func (p *TraderJoeV2Parser) EnrichEventData(event *EnhancedDEXEvent) error {
	return nil
}

// KyberElasticParser Implementation
func (p *KyberElasticParser) initializeKyberElastic() {
	// KyberSwap Elastic contract addresses on Arbitrum
	p.contracts[ContractTypeFactory] = []common.Address{
		common.HexToAddress("0x5F1dddbf348aC2fbe22a163e30F99F9ECE3DD50a"), // KyberSwap Elastic Factory
	}
	p.contracts[ContractTypeRouter] = []common.Address{
		common.HexToAddress("0xC1e7dFE73E1598E3910EF4C7845B68A9Ab6F4c83"), // KyberSwap Elastic Router
		common.HexToAddress("0xF9c2b5746c946EF883ab2660BbbB1f10A5bdeAb4"), // KyberSwap Meta Router
	}

	// KyberSwap Elastic uses similar events to Uniswap V3 but with their own optimizations
	swapTopic := crypto.Keccak256Hash([]byte("Swap(address,address,int256,int256,uint160,uint128,int24,uint128,uint128)"))
	mintTopic := crypto.Keccak256Hash([]byte("Mint(address,address,int24,int24,uint128,uint256,uint256)"))
	burnTopic := crypto.Keccak256Hash([]byte("Burn(address,int24,int24,uint128,uint256,uint256)"))
	poolCreatedTopic := crypto.Keccak256Hash([]byte("PoolCreated(address,address,uint24,int24,address)"))

	p.eventSigs[swapTopic] = &EventSignature{
		Topic0:      swapTopic,
		Name:        "Swap",
		Protocol:    ProtocolKyberElastic,
		EventType:   EventTypeSwap,
		Description: "KyberSwap Elastic swap event",
	}
	p.eventSigs[mintTopic] = &EventSignature{
		Topic0:      mintTopic,
		Name:        "Mint",
		Protocol:    ProtocolKyberElastic,
		EventType:   EventTypeLiquidityAdd,
		Description: "KyberSwap Elastic liquidity mint",
	}
	p.eventSigs[burnTopic] = &EventSignature{
		Topic0:      burnTopic,
		Name:        "Burn",
		Protocol:    ProtocolKyberElastic,
		EventType:   EventTypeLiquidityRemove,
		Description: "KyberSwap Elastic liquidity burn",
	}
	p.eventSigs[poolCreatedTopic] = &EventSignature{
		Topic0:      poolCreatedTopic,
		Name:        "PoolCreated",
		Protocol:    ProtocolKyberElastic,
		EventType:   EventTypePoolCreated,
		Description: "KyberSwap Elastic pool created",
	}

	p.loadKyberElasticABI()
}

func (p *KyberElasticParser) loadKyberElasticABI() {
	// KyberSwap Elastic ABI - concentrated liquidity with reinvestment features
	abiJSON := `[
		{"anonymous":false,"inputs":[{"indexed":true,"name":"sender","type":"address"},{"indexed":true,"name":"recipient","type":"address"},{"indexed":false,"name":"deltaQty0","type":"int256"},{"indexed":false,"name":"deltaQty1","type":"int256"},{"indexed":false,"name":"sqrtP","type":"uint160"},{"indexed":false,"name":"baseL","type":"uint128"},{"indexed":false,"name":"currentTick","type":"int24"},{"indexed":false,"name":"reinvestL","type":"uint128"},{"indexed":false,"name":"feeGrowthGlobal","type":"uint128"}],"name":"Swap","type":"event"},
		{"inputs":[{"name":"tokenA","type":"address"},{"name":"tokenB","type":"address"},{"name":"fee","type":"uint24"},{"name":"amountIn","type":"uint256"},{"name":"amountOutMinimum","type":"uint256"},{"name":"sqrtPriceLimitX96","type":"uint160"},{"name":"deadline","type":"uint256"}],"name":"exactInputSingle","outputs":[{"name":"amountOut","type":"uint256"}],"stateMutability":"payable","type":"function"}
	]`

	parsedABI, err := abi.JSON(strings.NewReader(abiJSON))
	if err != nil {
		p.logger.Error("Failed to parse KyberSwap Elastic ABI:", err)
		return
	}
	p.contractABI = parsedABI

	// Function signatures for KyberSwap Elastic functions
	exactInputSelector := "0x04e45aaf"
	exactInputBytes := [4]byte{0x04, 0xe4, 0x5a, 0xaf}
	p.functionSigs[exactInputSelector] = &FunctionSignature{
		Selector:    exactInputBytes,
		Name:        "exactInputSingle",
		Protocol:    ProtocolKyberElastic,
		EventType:   EventTypeSwap,
		Description: "KyberSwap Elastic exact input single swap",
	}
}

func (p *KyberElasticParser) GetSupportedContracts() []ContractType {
	return []ContractType{ContractTypeFactory, ContractTypeRouter, ContractTypePool}
}

func (p *KyberElasticParser) GetSupportedContractTypes() []ContractType {
	return []ContractType{ContractTypeFactory, ContractTypeRouter, ContractTypePool}
}

func (p *KyberElasticParser) GetSupportedEventTypes() []EventType {
	return []EventType{EventTypeSwap, EventTypeLiquidityAdd, EventTypeLiquidityRemove, EventTypePoolCreated, EventTypePositionUpdate}
}

func (p *KyberElasticParser) GetContractInfo(address common.Address) (*ContractInfo, error) {
	for contractType, addresses := range p.contracts {
		for _, addr := range addresses {
			if addr == address {
				return &ContractInfo{
					Address:      address,
					ContractType: contractType,
					Protocol:     ProtocolKyberElastic,
					Name:         fmt.Sprintf("KyberSwap Elastic %s", contractType),
				}, nil
			}
		}
	}
	return nil, fmt.Errorf("unknown KyberSwap Elastic contract: %s", address.Hex())
}

func (p *KyberElasticParser) IsKnownContract(address common.Address) bool {
	_, err := p.GetContractInfo(address)
	return err == nil
}

func (p *KyberElasticParser) ParseLog(log *types.Log) (*EnhancedDEXEvent, error) {
	if !p.IsKnownContract(log.Address) {
		return nil, fmt.Errorf("unknown contract address: %s", log.Address.Hex())
	}

	event := &EnhancedDEXEvent{
		Protocol:      ProtocolKyberElastic,
		EventType:     EventTypeSwap,
		DecodedParams: make(map[string]interface{}),
	}

	if len(log.Topics) > 0 {
		if sig, exists := p.eventSigs[log.Topics[0]]; exists {
			event.EventType = sig.EventType

			// Parse KyberSwap Elastic Swap event (has additional reinvestment data)
			if sig.Name == "Swap" && len(log.Topics) >= 3 {
				// Extract indexed parameters
				event.DecodedParams["sender"] = common.HexToAddress(log.Topics[1].Hex())
				event.DecodedParams["recipient"] = common.HexToAddress(log.Topics[2].Hex())

				// Decode non-indexed parameters from data (KyberSwap has more fields than standard V3)
				if len(log.Data) >= 256 { // 8 * 32 bytes
					deltaQty0 := new(big.Int).SetBytes(log.Data[0:32])
					deltaQty1 := new(big.Int).SetBytes(log.Data[32:64])
					sqrtP := new(big.Int).SetBytes(log.Data[64:96])
					baseL := new(big.Int).SetBytes(log.Data[96:128])
					currentTick := new(big.Int).SetBytes(log.Data[128:160])
					reinvestL := new(big.Int).SetBytes(log.Data[160:192])
					feeGrowthGlobal := new(big.Int).SetBytes(log.Data[192:224])

					event.DecodedParams["deltaQty0"] = deltaQty0
					event.DecodedParams["deltaQty1"] = deltaQty1
					event.DecodedParams["sqrtP"] = sqrtP
					event.DecodedParams["baseL"] = baseL
					event.DecodedParams["currentTick"] = currentTick
					event.DecodedParams["reinvestL"] = reinvestL
					event.DecodedParams["feeGrowthGlobal"] = feeGrowthGlobal
				}
			}
		}
	}

	return event, nil
}

func (p *KyberElasticParser) ParseTransactionData(tx *types.Transaction) (*EnhancedDEXEvent, error) {
	if len(tx.Data()) < 4 {
		return nil, fmt.Errorf("transaction data too short")
	}

	selector := fmt.Sprintf("0x%x", tx.Data()[:4])
	if sig, exists := p.functionSigs[selector]; exists {
		event := &EnhancedDEXEvent{
			Protocol:      ProtocolKyberElastic,
			EventType:     sig.EventType,
			DecodedParams: make(map[string]interface{}),
		}

		// Decode exactInputSingle function
		if sig.Name == "exactInputSingle" && len(tx.Data()) >= 228 {
			// Decode parameters (simplified)
			data := tx.Data()[4:] // Skip function selector
			if len(data) >= 224 {
				tokenA := common.BytesToAddress(data[12:32])
				tokenB := common.BytesToAddress(data[44:64])
				fee := new(big.Int).SetBytes(data[64:96])
				amountIn := new(big.Int).SetBytes(data[96:128])
				amountOutMinimum := new(big.Int).SetBytes(data[128:160])
				sqrtPriceLimitX96 := new(big.Int).SetBytes(data[160:192])

				event.DecodedParams["tokenA"] = tokenA
				event.DecodedParams["tokenB"] = tokenB
				event.DecodedParams["fee"] = fee
				event.DecodedParams["amountIn"] = amountIn
				event.DecodedParams["amountOutMinimum"] = amountOutMinimum
				event.DecodedParams["sqrtPriceLimitX96"] = sqrtPriceLimitX96
			}
		}

		return event, nil
	}

	return nil, fmt.Errorf("unknown function selector: %s", selector)
}

func (p *KyberElasticParser) DecodeFunctionCall(data []byte) (*EnhancedDEXEvent, error) {
	if len(data) < 4 {
		return nil, fmt.Errorf("data too short for function selector")
	}

	selector := fmt.Sprintf("0x%x", data[:4])
	if sig, exists := p.functionSigs[selector]; exists {
		event := &EnhancedDEXEvent{
			Protocol:      ProtocolKyberElastic,
			EventType:     sig.EventType,
			DecodedParams: make(map[string]interface{}),
		}

		// Use same decoding logic as ParseTransactionData
		if sig.Name == "exactInputSingle" {
			callData := data[4:]
			if len(callData) >= 224 {
				tokenA := common.BytesToAddress(callData[12:32])
				tokenB := common.BytesToAddress(callData[44:64])
				fee := new(big.Int).SetBytes(callData[64:96])
				amountIn := new(big.Int).SetBytes(callData[96:128])

				event.DecodedParams["tokenA"] = tokenA
				event.DecodedParams["tokenB"] = tokenB
				event.DecodedParams["fee"] = fee
				event.DecodedParams["amountIn"] = amountIn
			}
		}

		return event, nil
	}

	return nil, fmt.Errorf("unknown function selector: %s", selector)
}

func (p *KyberElasticParser) DiscoverPools(fromBlock, toBlock uint64) ([]*PoolInfo, error) {
	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
	defer cancel()

	var pools []*PoolInfo
	poolCreatedTopic := crypto.Keccak256Hash([]byte("PoolCreated(address,address,uint24,int24,address)"))

	factoryAddresses := p.contracts[ContractTypeFactory]
	for _, factoryAddr := range factoryAddresses {
		var logs []interface{}
		err := p.client.CallContext(ctx, &logs, "eth_getLogs", map[string]interface{}{
			"fromBlock": fmt.Sprintf("0x%x", fromBlock),
			"toBlock":   fmt.Sprintf("0x%x", toBlock),
			"address":   factoryAddr.Hex(),
			"topics":    []interface{}{poolCreatedTopic.Hex()},
		})

		if err != nil {
			p.logger.Debug(fmt.Sprintf("Failed to query KyberSwap Elastic PoolCreated events: %v", err))
			continue
		}

		for _, logEntry := range logs {
			logMap, ok := logEntry.(map[string]interface{})
			if !ok {
				continue
			}

			// Extract pool address from topics[4] (5th topic)
			if topics, ok := logMap["topics"].([]interface{}); ok && len(topics) >= 4 {
				token0 := common.HexToAddress(topics[1].(string))
				token1 := common.HexToAddress(topics[2].(string))
				poolAddr := common.HexToAddress(topics[4].(string))

				// Extract fee from data (first 32 bytes)
				if data, ok := logMap["data"].(string); ok && len(data) >= 66 {
					feeBytes := common.FromHex(data[2:66]) // Skip 0x prefix, get first 32 bytes
					fee := new(big.Int).SetBytes(feeBytes).Uint64()

					blockNumHex, _ := logMap["blockNumber"].(string)
					blockNum := common.HexToHash(blockNumHex).Big().Uint64()

					pool := &PoolInfo{
						Address:      poolAddr,
						Protocol:     ProtocolKyberElastic,
						PoolType:     "KyberElastic",
						Token0:       token0,
						Token1:       token1,
						Fee:          uint32(fee),
						CreatedBlock: blockNum,
						IsActive:     true,
						LastUpdated:  time.Now(),
					}

					pools = append(pools, pool)
				}
			}
		}
	}

	return pools, nil
}

func (p *KyberElasticParser) GetPoolInfo(poolAddress common.Address) (*PoolInfo, error) {
	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	// Create pool contract ABI for basic queries (same as Uniswap V3)
	poolABI := `[
		{"name": "token0", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "address"}]},
		{"name": "token1", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "address"}]},
		{"name": "fee", "type": "function", "stateMutability": "view", "inputs": [], "outputs": [{"name": "", "type": "uint24"}]}
	]`

	parsedABI, err := abi.JSON(strings.NewReader(poolABI))
	if err != nil {
		return nil, fmt.Errorf("failed to parse pool ABI: %w", err)
	}

	// Query token0
	token0Data, err := parsedABI.Pack("token0")
	if err != nil {
		return nil, fmt.Errorf("failed to pack token0 call: %w", err)
	}

	var token0Result string
	err = p.client.CallContext(ctx, &token0Result, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", token0Data),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query token0: %w", err)
	}

	// Query token1
	token1Data, err := parsedABI.Pack("token1")
	if err != nil {
		return nil, fmt.Errorf("failed to pack token1 call: %w", err)
	}

	var token1Result string
	err = p.client.CallContext(ctx, &token1Result, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", token1Data),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query token1: %w", err)
	}

	// Query fee
	feeData, err := parsedABI.Pack("fee")
	if err != nil {
		return nil, fmt.Errorf("failed to pack fee call: %w", err)
	}

	var feeResult string
	err = p.client.CallContext(ctx, &feeResult, "eth_call", map[string]interface{}{
		"to":   poolAddress.Hex(),
		"data": fmt.Sprintf("0x%x", feeData),
	}, "latest")
	if err != nil {
		return nil, fmt.Errorf("failed to query fee: %w", err)
	}

	// Decode results using ABI
	token0ResultBytes := common.FromHex(token0Result)
	token0Results, err := parsedABI.Unpack("token0", token0ResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack token0 result: %w", err)
	}
	if len(token0Results) == 0 {
		return nil, fmt.Errorf("empty token0 result")
	}
	token0, ok := token0Results[0].(common.Address)
	if !ok {
		return nil, fmt.Errorf("token0 result is not an address")
	}

	token1ResultBytes := common.FromHex(token1Result)
	token1Results, err := parsedABI.Unpack("token1", token1ResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack token1 result: %w", err)
	}
	if len(token1Results) == 0 {
		return nil, fmt.Errorf("empty token1 result")
	}
	token1, ok := token1Results[0].(common.Address)
	if !ok {
		return nil, fmt.Errorf("token1 result is not an address")
	}

	feeResultBytes := common.FromHex(feeResult)
	feeResults, err := parsedABI.Unpack("fee", feeResultBytes)
	if err != nil {
		return nil, fmt.Errorf("failed to unpack fee result: %w", err)
	}
	if len(feeResults) == 0 {
		return nil, fmt.Errorf("empty fee result")
	}
	feeValue, ok := feeResults[0].(*big.Int)
	if !ok {
		return nil, fmt.Errorf("fee result is not a big.Int")
	}
	fee := feeValue.Uint64()

	return &PoolInfo{
		Address:     poolAddress,
		Protocol:    ProtocolKyberElastic,
		PoolType:    "KyberElastic",
		Token0:      token0,
		Token1:      token1,
		Fee:         uint32(fee),
		IsActive:    true,
		LastUpdated: time.Now(),
	}, nil
}

func (p *KyberElasticParser) ParseTransactionLogs(tx *types.Transaction, receipt *types.Receipt) ([]*EnhancedDEXEvent, error) {
	var events []*EnhancedDEXEvent
	for _, log := range receipt.Logs {
		if event, err := p.ParseLog(log); err == nil && event != nil {
			event.BlockNumber = receipt.BlockNumber.Uint64()
			event.TxHash = tx.Hash()
			event.LogIndex = uint64(log.Index)
			events = append(events, event)
		}
	}
	return events, nil
}

func (p *KyberElasticParser) EnrichEventData(event *EnhancedDEXEvent) error {
	return nil
}

func NewTraderJoeV1Parser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolTraderJoeV1)
	return &UniswapV2Parser{BaseProtocolParser: base} // Placeholder
}

func NewTraderJoeV2Parser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolTraderJoeV2)
	parser := &TraderJoeV2Parser{BaseProtocolParser: base}
	parser.initializeTraderJoeV2()
	return parser
}

func NewTraderJoeLBParser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolTraderJoeLB)
	return &UniswapV2Parser{BaseProtocolParser: base} // Placeholder
}

func NewCurveParser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolCurve)
	return &UniswapV2Parser{BaseProtocolParser: base} // Placeholder
}

func NewBalancerV2Parser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolBalancerV2)
	return &UniswapV2Parser{BaseProtocolParser: base} // Placeholder
}

func NewKyberClassicParser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolKyberClassic)
	return &UniswapV2Parser{BaseProtocolParser: base} // Placeholder
}

func NewKyberElasticParser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolKyberElastic)
	parser := &KyberElasticParser{BaseProtocolParser: base}
	parser.initializeKyberElastic()
	return parser
}

func NewGMXParser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolGMX)
	return &UniswapV2Parser{BaseProtocolParser: base} // Placeholder
}

func NewRamsesParser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolRamses)
	return &UniswapV3Parser{BaseProtocolParser: base} // Placeholder
}

func NewChronosParser(client *rpc.Client, logger *logger.Logger) DEXParserInterface {
	base := NewBaseProtocolParser(client, logger, ProtocolChronos)
	return &UniswapV2Parser{BaseProtocolParser: base} // Placeholder
}