Update module name to github.com/fraktal/mev-beta and fix channel closing issues in pipeline stages

test/testutils/testutils.go

@@ -0,0 +1,131 @@
+package testutils
+
+import (
+	"context"
+	"math/big"
+	"time"
+
+	"github.com/fraktal/mev-beta/internal/config"
+	"github.com/fraktal/mev-beta/internal/logger"
+	"github.com/fraktal/mev-beta/pkg/events"
+	"github.com/fraktal/mev-beta/pkg/market"
+	"github.com/fraktal/mev-beta/pkg/scanner"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/holiman/uint256"
+)
+
+// CreateTestConfig creates a test configuration
+func CreateTestConfig() *config.Config {
+	return &config.Config{
+		Arbitrum: config.ArbitrumConfig{
+			RPCEndpoint: "https://arb1.arbitrum.io/rpc",
+			ChainID:     42161,
+			RateLimit: config.RateLimitConfig{
+				RequestsPerSecond: 10,
+				MaxConcurrent:     5,
+				Burst:             20,
+			},
+		},
+		Bot: config.BotConfig{
+			Enabled:             true,
+			PollingInterval:     1,
+			MinProfitThreshold:  10.0,
+			GasPriceMultiplier:  1.2,
+			MaxWorkers:          10,
+			ChannelBufferSize:   100,
+			RPCTimeout:          30,
+		},
+		Uniswap: config.UniswapConfig{
+			FactoryAddress:         "0x1F98431c8aD98523631AE4a59f267346ea31F984",
+			PositionManagerAddress: "0xC36442b4a4522E871399CD717aBDD847Ab11FE88",
+			FeeTiers:               []int64{500, 3000, 10000},
+			Cache: config.CacheConfig{
+				Enabled:    true,
+				Expiration: 300,
+				MaxSize:    10000,
+			},
+		},
+		Log: config.LogConfig{
+			Level:  "info",
+			Format: "text",
+			File:   "",
+		},
+		Database: config.DatabaseConfig{
+			File:                "mev-bot.db",
+			MaxOpenConnections:  10,
+			MaxIdleConnections:  5,
+		},
+	}
+}
+
+// CreateTestLogger creates a test logger
+func CreateTestLogger() *logger.Logger {
+	return logger.New("info", "text", "")
+}
+
+// CreateTestEvent creates a test event
+func CreateTestEvent() *events.Event {
+	return &events.Event{
+		Type:           events.Swap,
+		Protocol:       "UniswapV3",
+		PoolAddress:    common.HexToAddress("0x88e6A0c2dDD26FEEb64F039a2c41296FcB3f5640"),
+		Token0:         common.HexToAddress("0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"),
+		Token1:         common.HexToAddress("0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"),
+		Amount0:        big.NewInt(1000000000),
+		Amount1:        big.NewInt(500000000000000000),
+		SqrtPriceX96:   uint256.NewInt(2505414483750470000),
+		Liquidity:      uint256.NewInt(1000000000000000000),
+		Tick:           200000,
+		Timestamp:      uint64(time.Now().Unix()),
+		TransactionHash: common.HexToHash("0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef"),
+		BlockNumber:    12345,
+	}
+}
+
+// CreateTestTransaction creates a test transaction
+func CreateTestTransaction() *types.Transaction {
+	to := common.HexToAddress("0x88e6A0c2dDD26FEEb64F039a2c41296FcB3f5640")
+	return types.NewTransaction(0, to, big.NewInt(0), 0, big.NewInt(0), nil)
+}
+
+// CreateTestMarketManager creates a test market manager
+func CreateTestMarketManager() *market.MarketManager {
+	cfg := &config.UniswapConfig{
+		Cache: config.CacheConfig{
+			Expiration: 300,
+			MaxSize:    10000,
+		},
+	}
+	logger := CreateTestLogger()
+	return market.NewMarketManager(cfg, logger)
+}
+
+// CreateTestScanner creates a test market scanner
+func CreateTestScanner() *scanner.MarketScanner {
+	cfg := &config.BotConfig{
+		MaxWorkers:        5,
+		ChannelBufferSize: 10,
+		RPCTimeout:        30,
+		MinProfitThreshold: 10.0,
+	}
+	logger := CreateTestLogger()
+	return scanner.NewMarketScanner(cfg, logger)
+}
+
+// CreateTestPipeline creates a test pipeline
+func CreateTestPipeline() *market.Pipeline {
+	cfg := &config.BotConfig{
+		MaxWorkers:        5,
+		ChannelBufferSize: 10,
+	}
+	logger := CreateTestLogger()
+	marketMgr := CreateTestMarketManager()
+	scanner := CreateTestScanner()
+	return market.NewPipeline(cfg, logger, marketMgr, scanner)
+}
+
+// CreateTestContext creates a test context
+func CreateTestContext() context.Context {
+	return context.Background()
+}