Files
mev-beta/test/unit/scanner/scanner_test.go
Krypto Kajun 850223a953 fix(multicall): resolve critical multicall parsing corruption issues
- Added comprehensive bounds checking to prevent buffer overruns in multicall parsing
- Implemented graduated validation system (Strict/Moderate/Permissive) to reduce false positives
- Added LRU caching system for address validation with 10-minute TTL
- Enhanced ABI decoder with missing Universal Router and Arbitrum-specific DEX signatures
- Fixed duplicate function declarations and import conflicts across multiple files
- Added error recovery mechanisms with multiple fallback strategies
- Updated tests to handle new validation behavior for suspicious addresses
- Fixed parser test expectations for improved validation system
- Applied gofmt formatting fixes to ensure code style compliance
- Fixed mutex copying issues in monitoring package by introducing MetricsSnapshot
- Resolved critical security vulnerabilities in heuristic address extraction
- Progress: Updated TODO audit from 10% to 35% complete

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-10-17 00:12:55 -05:00

382 lines
12 KiB
Go

//go:build legacy_scanner
// +build legacy_scanner
// Package scanner provides tests for the market scanner functionality
package scanner
import (
"math/big"
"testing"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
"github.com/fraktal/mev-beta/internal/config"
"github.com/fraktal/mev-beta/internal/logger"
"github.com/fraktal/mev-beta/pkg/database"
"github.com/fraktal/mev-beta/pkg/events"
"github.com/fraktal/mev-beta/pkg/pools"
)
// MockContractExecutor is a mock implementation of the contract executor
type MockContractExecutor struct {
mock.Mock
}
func (m *MockContractExecutor) ExecuteArbitrage(opportunity ArbitrageOpportunity) error {
args := m.Called(opportunity)
return args.Error(0)
}
func (m *MockContractExecutor) ExecuteTriangularArbitrage(opportunity ArbitrageOpportunity) error {
args := m.Called(opportunity)
return args.Error(0)
}
func (m *MockContractExecutor) Close() error {
args := m.Called()
return args.Error(0)
}
// MockDatabase is a mock implementation of the database
type MockDatabase struct {
mock.Mock
}
func (m *MockDatabase) InsertSwapEvent(event *database.SwapEvent) error {
args := m.Called(event)
return args.Error(0)
}
func (m *MockDatabase) InsertLiquidityEvent(event *database.LiquidityEvent) error {
args := m.Called(event)
return args.Error(0)
}
func (m *MockDatabase) InsertPoolData(pool *database.PoolData) error {
args := m.Called(pool)
return args.Error(0)
}
func (m *MockDatabase) GetRecentSwapEvents(limit int) ([]*database.SwapEvent, error) {
args := m.Called(limit)
return args.Get(0).([]*database.SwapEvent), args.Error(1)
}
func (m *MockDatabase) GetRecentLiquidityEvents(limit int) ([]*database.LiquidityEvent, error) {
args := m.Called(limit)
return args.Get(0).([]*database.LiquidityEvent), args.Error(1)
}
func (m *MockDatabase) GetPoolData(poolAddress common.Address) (*database.PoolData, error) {
args := m.Called(poolAddress)
return args.Get(0).(*database.PoolData), args.Error(1)
}
func (m *MockDatabase) Close() error {
args := m.Called()
return args.Error(0)
}
// TestMarketScannerInitialization tests that the scanner can be initialized properly
func TestMarketScannerInitialization(t *testing.T) {
// Create test logger
log := logger.New("debug", "text", "")
// Create test config
cfg := &config.BotConfig{
Enabled: true,
PollingInterval: 1,
MinProfitThreshold: 0.01,
GasPriceMultiplier: 1.2,
MaxWorkers: 2,
ChannelBufferSize: 10,
RPCTimeout: 30,
}
// Create mock contract executor
mockExecutor := new(MockContractExecutor)
mockExecutor.On("Close").Return(nil)
// Create mock database
mockDB := new(MockDatabase)
mockDB.On("Close").Return(nil)
// Create mock CREATE2 calculator
mockCalculator := new(pools.CREATE2Calculator)
// Create market scanner
scanner := NewMarketScanner(cfg, log, mockExecutor, mockDB, mockCalculator)
// Verify scanner was created
assert.NotNil(t, scanner)
assert.Equal(t, cfg, scanner.config)
assert.Equal(t, log, scanner.logger)
assert.Equal(t, mockExecutor, scanner.contractExecutor)
assert.Equal(t, mockDB, scanner.database)
assert.Equal(t, mockCalculator, scanner.create2Calculator)
// Test stopping the scanner
scanner.Stop()
// Verify mocks were called
mockExecutor.AssertExpectations(t)
mockDB.AssertExpectations(t)
}
// TestMarketScannerEventProcessing tests that the scanner can process events
func TestMarketScannerEventProcessing(t *testing.T) {
// Create test logger
log := logger.New("debug", "text", "")
// Create test config
cfg := &config.BotConfig{
Enabled: true,
PollingInterval: 1,
MinProfitThreshold: 0.01,
GasPriceMultiplier: 1.2,
MaxWorkers: 2,
ChannelBufferSize: 10,
RPCTimeout: 30,
}
// Create mock contract executor
mockExecutor := new(MockContractExecutor)
mockExecutor.On("Close").Return(nil)
// Create mock database
mockDB := new(MockDatabase)
mockDB.On("InsertSwapEvent", mock.Anything).Return(nil)
mockDB.On("InsertLiquidityEvent", mock.Anything).Return(nil)
mockDB.On("InsertPoolData", mock.Anything).Return(nil)
mockDB.On("Close").Return(nil)
// Create mock CREATE2 calculator
mockCalculator := new(pools.CREATE2Calculator)
// Create market scanner
scanner := NewMarketScanner(cfg, log, mockExecutor, mockDB, mockCalculator)
// Create test swap event
swapEvent := events.Event{
Type: events.Swap,
Protocol: "UniswapV3",
PoolAddress: common.HexToAddress("0x88e6A0c2dDD26FEEb64F039a2c41296FcB3f5640"),
Token0: common.HexToAddress("0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"), // USDC
Token1: common.HexToAddress("0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"), // WETH
Amount0: big.NewInt(1000000000), // 1000 USDC
Amount1: big.NewInt(500000000000000000), // 0.5 WETH
BlockNumber: 12345678,
TransactionHash: common.HexToHash("0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef"),
Tick: 200000,
Fee: 3000,
Liquidity: big.NewInt(1000000000000000000),
SqrtPriceX96: func() *big.Int {
val, _ := big.NewInt(0).SetString("2505414483750470000", 10)
return val
}(),
Timestamp: 1234567890,
}
// Test submitting the event for processing
scanner.SubmitEvent(swapEvent)
// Give some time for processing
time.Sleep(100 * time.Millisecond)
// Test stopping the scanner
scanner.Stop()
// Verify mocks were called
mockDB.AssertExpectations(t)
mockExecutor.AssertExpectations(t)
}
// TestMarketScannerLiquidityEventProcessing tests that the scanner can process liquidity events
func TestMarketScannerLiquidityEventProcessing(t *testing.T) {
// Create test logger
log := logger.New("debug", "text", "")
// Create test config
cfg := &config.BotConfig{
Enabled: true,
PollingInterval: 1,
MinProfitThreshold: 0.01,
GasPriceMultiplier: 1.2,
MaxWorkers: 2,
ChannelBufferSize: 10,
RPCTimeout: 30,
}
// Create mock contract executor
mockExecutor := new(MockContractExecutor)
mockExecutor.On("Close").Return(nil)
// Create mock database
mockDB := new(MockDatabase)
mockDB.On("InsertSwapEvent", mock.Anything).Return(nil)
mockDB.On("InsertLiquidityEvent", mock.Anything).Return(nil)
mockDB.On("InsertPoolData", mock.Anything).Return(nil)
mockDB.On("Close").Return(nil)
// Create mock CREATE2 calculator
mockCalculator := new(pools.CREATE2Calculator)
// Create market scanner
scanner := NewMarketScanner(cfg, log, mockExecutor, mockDB, mockCalculator)
// Create test liquidity add event
liquidityEvent := events.Event{
Type: events.AddLiquidity,
Protocol: "UniswapV3",
PoolAddress: common.HexToAddress("0x88e6A0c2dDD26FEEb64F039a2c41296FcB3f5640"),
Token0: common.HexToAddress("0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"), // USDC
Token1: common.HexToAddress("0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"), // WETH
Amount0: big.NewInt(2000000000), // 2000 USDC
Amount1: big.NewInt(1000000000000000000), // 1 WETH
BlockNumber: 12345679,
TransactionHash: common.HexToHash("0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890"),
Fee: 3000,
Liquidity: big.NewInt(1000000000000000000),
SqrtPriceX96: func() *big.Int {
val, _ := big.NewInt(0).SetString("2505414483750470000", 10)
return val
}(),
Timestamp: 1234567891,
}
// Test submitting the event for processing
scanner.SubmitEvent(liquidityEvent)
// Give some time for processing
time.Sleep(100 * time.Millisecond)
// Test stopping the scanner
scanner.Stop()
// Verify mocks were called
mockDB.AssertExpectations(t)
mockExecutor.AssertExpectations(t)
}
// TestMarketScannerNewPoolEventProcessing tests that the scanner can process new pool events
func TestMarketScannerNewPoolEventProcessing(t *testing.T) {
// Create test logger
log := logger.New("debug", "text", "")
// Create test config
cfg := &config.BotConfig{
Enabled: true,
PollingInterval: 1,
MinProfitThreshold: 0.01,
GasPriceMultiplier: 1.2,
MaxWorkers: 2,
ChannelBufferSize: 10,
RPCTimeout: 30,
}
// Create mock contract executor
mockExecutor := new(MockContractExecutor)
mockExecutor.On("Close").Return(nil)
// Create mock database
mockDB := new(MockDatabase)
mockDB.On("InsertSwapEvent", mock.Anything).Return(nil)
mockDB.On("InsertLiquidityEvent", mock.Anything).Return(nil)
mockDB.On("InsertPoolData", mock.Anything).Return(nil)
mockDB.On("Close").Return(nil)
// Create mock CREATE2 calculator
mockCalculator := new(pools.CREATE2Calculator)
// Create market scanner
scanner := NewMarketScanner(cfg, log, mockExecutor, mockDB, mockCalculator)
// Create test new pool event
newPoolEvent := events.Event{
Type: events.NewPool,
Protocol: "UniswapV3",
PoolAddress: common.HexToAddress("0x88e6A0c2dDD26FEEb64F039a2c41296FcB3f5640"),
Token0: common.HexToAddress("0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"), // USDC
Token1: common.HexToAddress("0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"), // WETH
Fee: 3000,
BlockNumber: 12345680,
TransactionHash: common.HexToHash("0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef"),
Timestamp: 1234567892,
}
// Test submitting the event for processing
scanner.SubmitEvent(newPoolEvent)
// Give some time for processing
time.Sleep(100 * time.Millisecond)
// Test stopping the scanner
scanner.Stop()
// Verify mocks were called
mockDB.AssertExpectations(t)
mockExecutor.AssertExpectations(t)
}
// TestMarketScannerArbitrageExecution tests that the scanner can execute arbitrage opportunities
func TestMarketScannerArbitrageExecution(t *testing.T) {
// Create test logger
log := logger.New("debug", "text", "")
// Create test config
cfg := &config.BotConfig{
Enabled: true,
PollingInterval: 1,
MinProfitThreshold: 0.01,
GasPriceMultiplier: 1.2,
MaxWorkers: 2,
ChannelBufferSize: 10,
RPCTimeout: 30,
}
// Create mock contract executor
mockExecutor := new(MockContractExecutor)
mockExecutor.On("ExecuteArbitrage", mock.Anything).Return(nil)
mockExecutor.On("Close").Return(nil)
// Create mock database
mockDB := new(MockDatabase)
mockDB.On("InsertSwapEvent", mock.Anything).Return(nil)
mockDB.On("InsertLiquidityEvent", mock.Anything).Return(nil)
mockDB.On("InsertPoolData", mock.Anything).Return(nil)
mockDB.On("Close").Return(nil)
// Create mock CREATE2 calculator
mockCalculator := new(pools.CREATE2Calculator)
// Create market scanner
scanner := NewMarketScanner(cfg, log, mockExecutor, mockDB, mockCalculator)
// Create test arbitrage opportunity with high profit
opportunity := ArbitrageOpportunity{
Path: []string{"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48", "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"},
Pools: []string{"0x88e6A0c2dDD26FEEb64F039a2c41296FcB3f5640"},
Profit: big.NewInt(1000000000000000000), // 1 ETH profit
GasEstimate: big.NewInt(300000),
ROI: 5.0, // 5% ROI
Protocol: "UniswapV3",
}
// Test executing the arbitrage opportunity
scanner.executeArbitrageOpportunity(opportunity)
// Give some time for execution
time.Sleep(100 * time.Millisecond)
// Test stopping the scanner
scanner.Stop()
// Verify that the contract executor was called
mockExecutor.AssertCalled(t, "ExecuteArbitrage", mock.Anything)
mockDB.AssertExpectations(t)
mockExecutor.AssertExpectations(t)
}