Files
mev-beta/pkg/types/types.go
2025-10-04 09:31:02 -05:00

121 lines
3.6 KiB
Go

// Package types provides shared types used across multiple packages to avoid circular dependencies
package types
import (
"math/big"
"github.com/ethereum/go-ethereum/common"
)
// ArbitrageOpportunity represents a potential arbitrage opportunity
// This is the canonical definition used across all packages
type ArbitrageOpportunity struct {
Path []string // Token path for the arbitrage
Pools []string // Pools involved in the arbitrage
AmountIn *big.Int // Input amount for the arbitrage
Profit *big.Int // Estimated profit in wei
NetProfit *big.Int // Net profit after gas costs
GasEstimate *big.Int // Estimated gas cost
ROI float64 // Return on investment percentage
Protocol string // DEX protocol
ExecutionTime int64 // Estimated execution time in milliseconds
Confidence float64 // 0-1 confidence score
PriceImpact float64 // Price impact percentage
MaxSlippage float64 // Maximum acceptable slippage
TokenIn common.Address // Input token address
TokenOut common.Address // Output token address
Timestamp int64 // Detection timestamp
Risk float64 // Risk assessment score (0-1)
}
// PriceMovement represents a potential price movement
type PriceMovement struct {
Token0 string // Token address
Token1 string // Token address
Pool string // Pool address
Protocol string // DEX protocol
AmountIn *big.Int // Amount of token being swapped in
AmountOut *big.Int // Amount of token being swapped out
PriceBefore *big.Float // Price before the swap
PriceAfter *big.Float // Price after the swap (to be calculated)
PriceImpact float64 // Calculated price impact
TickBefore int // Tick before the swap
TickAfter int // Tick after the swap (to be calculated)
Timestamp int64 // Event timestamp
}
// CachedData represents cached pool data
type CachedData struct {
Address common.Address
Token0 common.Address
Token1 common.Address
Fee int64
Liquidity *big.Int
SqrtPriceX96 *big.Int
Tick int
TickSpacing int
LastUpdated int64
Protocol string
}
// SwapEvent represents a swap event
type SwapEvent struct {
Type int
Protocol string
PoolAddress common.Address
Token0 common.Address
Token1 common.Address
Amount0 *big.Int
Amount1 *big.Int
SqrtPriceX96 *big.Int
Liquidity *big.Int
Tick int
Timestamp int64
TransactionHash common.Hash
BlockNumber uint64
Fee uint32
}
// LiquidityEvent represents a liquidity event (add/remove)
type LiquidityEvent struct {
Type int
Protocol string
PoolAddress common.Address
Token0 common.Address
Token1 common.Address
Amount0 *big.Int
Amount1 *big.Int
Liquidity *big.Int
Tick int
Timestamp int64
TransactionHash common.Hash
BlockNumber uint64
Fee uint32
Sender common.Address
Recipient common.Address
EventType string // "add" or "remove"
}
// PoolData represents pool data
type PoolData struct {
Address common.Address
Token0 common.Address
Token1 common.Address
Fee int64
Liquidity *big.Int
SqrtPriceX96 *big.Int
Tick int64
TickSpacing int
LastUpdated int64
Protocol string
}
// Constants for event types
const (
Unknown = iota
Swap
AddLiquidity
RemoveLiquidity
NewPool
)