splitting the modules

blockchain/main.go

@@ -0,0 +1,141 @@
+package blockchain
+
+import (
+	"context"
+	"fmt"
+
+	"lbc/cfg"
+	"os"
+
+	"github.com/dgraph-io/badger"
+	abci "github.com/tendermint/tendermint/abci/types"
+	"github.com/tendermint/tendermint/libs/log"
+	nm "github.com/tendermint/tendermint/node"
+	"github.com/tendermint/tendermint/p2p"
+	"github.com/tendermint/tendermint/privval"
+	"github.com/tendermint/tendermint/proxy"
+	tmTypes "github.com/tendermint/tendermint/types"
+)
+
+func openBadger(path string) (*badger.DB, error) {
+	return badger.Open(badger.DefaultOptions(path).WithTruncate(true))
+}
+
+func newTendermint(app abci.Application, config *cfg.Config, laddrReturner chan string) (*nm.Node, error) {
+	config.P2P.ListenAddress = "tcp://" + <-laddrReturner
+
+	//if config.P2P.PersistentPeers == "" {
+	config.P2P.PersistentPeers = <-laddrReturner
+	//} else {
+	//	<- laddrReturner
+	//}
+
+	var pv tmTypes.PrivValidator
+	if _, err := os.Stat(config.PrivValidatorKeyFile()); err == nil {
+		pv = privval.LoadFilePV(
+			config.PrivValidatorKeyFile(),
+			config.PrivValidatorStateFile(),
+		)
+	} else {
+		fmt.Println("⚠️ priv_validator_key.json not found. Node will run as non-validator.")
+		pv = tmTypes.NewMockPV()
+	}
+
+	nodeKey, err := p2p.LoadNodeKey(config.NodeKeyFile())
+	if err != nil {
+		return nil, fmt.Errorf("load node key: %w", err)
+	}
+
+	clientCreator := proxy.NewLocalClientCreator(app)
+	logger := log.NewTMLogger(log.NewSyncWriter(os.Stdout))
+
+	return nm.NewNode(
+		config,
+		pv,
+		nodeKey,
+		clientCreator,
+		nm.DefaultGenesisDocProviderFunc(config),
+		nm.DefaultDBProvider,
+		nm.DefaultMetricsProvider(config.Instrumentation),
+		logger,
+	)
+}
+
+func GetNodeInfo(config *cfg.Config, dbPath string) (p2p.NodeInfo, error) {
+	db, err := openBadger(dbPath)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open badger db to get node info", err)
+	}
+	defer db.Close()
+
+	app := NewKVStoreApplication(db)
+
+	nodeKey, err := p2p.LoadNodeKey(config.NodeKeyFile())
+	if err != nil {
+		return nil, fmt.Errorf("load node key: %w", err)
+	}
+
+	clientCreator := proxy.NewLocalClientCreator(app)
+	logger := log.NewTMLogger(log.NewSyncWriter(os.Stdout))
+	var pv tmTypes.PrivValidator
+	if _, err := os.Stat(config.PrivValidatorKeyFile()); err == nil {
+		pv = privval.LoadFilePV(
+			config.PrivValidatorKeyFile(),
+			config.PrivValidatorStateFile(),
+		)
+	} else {
+		fmt.Println("⚠️ priv_validator_key.json not found. Node will run as non-validator.")
+		pv = tmTypes.NewMockPV()
+	}
+
+	config.P2P.PersistentPeers = ""
+
+	node, err := nm.NewNode(
+		config,
+		pv,
+		nodeKey,
+		clientCreator,
+		nm.DefaultGenesisDocProviderFunc(config),
+		nm.DefaultDBProvider,
+		nm.DefaultMetricsProvider(config.Instrumentation),
+		logger,
+	)
+
+	if err != nil {
+		return nil, err
+	}
+	return node.NodeInfo(), nil
+
+}
+
+// В blockchain/run.go
+func Run(ctx context.Context, dbPath string, config *cfg.Config, laddrReturner chan string) error {
+	db, err := openBadger(dbPath)
+	if err != nil {
+		return fmt.Errorf("open badger db: %w", err)
+	}
+	defer db.Close()
+
+	app := NewKVStoreApplication(db)
+	node, err := newTendermint(app, config, laddrReturner)
+	if err != nil {
+		return fmt.Errorf("build node: %w", err)
+	}
+	if err := node.Start(); err != nil {
+		return fmt.Errorf("start node: %w", err)
+	}
+	defer func() {
+
+	}()
+
+	// ждём контекст или внутренних ошибок узла
+	select {
+	case <-ctx.Done():
+	case <-node.Quit(): // Tendermint закрылся сам
+		return err
+		// Node quit signal received
+	}
+	node.Stop()
+	node.Wait()
+	return nil
+}