fix blockchain -> logger circular import

cmd/geth/config.go

@@ -36,7 +36,7 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/eth/catalyst"
 	"github.com/ethereum/go-ethereum/eth/ethconfig"
-	"github.com/ethereum/go-ethereum/eth/tracers/directory"
+	"github.com/ethereum/go-ethereum/eth/tracers/directory/live"
 	"github.com/ethereum/go-ethereum/internal/ethapi"
 	"github.com/ethereum/go-ethereum/internal/flags"
 	"github.com/ethereum/go-ethereum/internal/version"
@@ -181,7 +181,7 @@ func makeFullNode(ctx *cli.Context) (*node.Node, ethapi.Backend) {
 
 	if ctx.IsSet(utils.VMTraceFlag.Name) {
 		if name := ctx.String(utils.VMTraceFlag.Name); name != "" {
-			t, err := directory.LiveDirectory.New(name)
+			t, err := live.Directory.New(name)
 			if err != nil {
 				utils.Fatalf("Failed to create tracer %q: %v", name, err)
 			}

cmd/utils/flags.go

@@ -51,7 +51,7 @@ import (
 	"github.com/ethereum/go-ethereum/eth/filters"
 	"github.com/ethereum/go-ethereum/eth/gasprice"
 	"github.com/ethereum/go-ethereum/eth/tracers"
-	"github.com/ethereum/go-ethereum/eth/tracers/directory"
+	"github.com/ethereum/go-ethereum/eth/tracers/directory/live"
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/ethdb/remotedb"
 	"github.com/ethereum/go-ethereum/ethstats"
@@ -2128,7 +2128,7 @@ func MakeChain(ctx *cli.Context, stack *node.Node, readonly bool) (*core.BlockCh
 	vmcfg := vm.Config{EnablePreimageRecording: ctx.Bool(VMEnableDebugFlag.Name)}
 	if ctx.IsSet(VMTraceFlag.Name) {
 		if name := ctx.String(VMTraceFlag.Name); name != "" {
-			t, err := directory.LiveDirectory.New(name)
+			t, err := live.Directory.New(name)
 			if err != nil {
 				Fatalf("Failed to create tracer %q: %v", name, err)
 			}

core/blockchain_test.go

@@ -21,6 +21,7 @@ import (
 	"fmt"
 	"math/big"
 	"math/rand"
+	"os"
 	"sync"
 	"testing"
 	"time"
@@ -35,6 +36,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/eth/tracers/logger"
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/trie"
@@ -3062,7 +3064,7 @@ func testDeleteRecreateSlots(t *testing.T, scheme string) {
 	})
 	// Import the canonical chain
 	chain, err := NewBlockChain(rawdb.NewMemoryDatabase(), DefaultCacheConfigWithScheme(scheme), gspec, nil, engine, vm.Config{
-		//Tracer: logger.NewJSONLogger(nil, os.Stdout),
+		Tracer: logger.NewJSONLogger(nil, os.Stdout),
 	}, nil, nil)
 	if err != nil {
 		t.Fatalf("failed to create tester chain: %v", err)
@@ -3144,7 +3146,7 @@ func testDeleteRecreateAccount(t *testing.T, scheme string) {
 	})
 	// Import the canonical chain
 	chain, err := NewBlockChain(rawdb.NewMemoryDatabase(), DefaultCacheConfigWithScheme(scheme), gspec, nil, engine, vm.Config{
-		//Tracer: logger.NewJSONLogger(nil, os.Stdout),
+		Tracer: logger.NewJSONLogger(nil, os.Stdout),
 	}, nil, nil)
 	if err != nil {
 		t.Fatalf("failed to create tester chain: %v", err)
@@ -4290,7 +4292,7 @@ func TestEIP3651(t *testing.T) {
 
 		b.AddTx(tx)
 	})
-	chain, err := NewBlockChain(rawdb.NewMemoryDatabase(), nil, gspec, nil, engine, vm.Config{ /*Tracer: logger.NewMarkdownLogger(&logger.Config{}, os.Stderr)*/ }, nil, nil)
+	chain, err := NewBlockChain(rawdb.NewMemoryDatabase(), nil, gspec, nil, engine, vm.Config{Tracer: logger.NewMarkdownLogger(&logger.Config{}, os.Stderr)}, nil, nil)
 	if err != nil {
 		t.Fatalf("failed to create tester chain: %v", err)
 	}

eth/tracers/directory/live/dir.go

@@ -1,4 +1,4 @@
-package directory
+package live
 
 import (
 	"errors"
@@ -8,21 +8,21 @@ import (
 
 type ctorFunc func() (core.BlockchainLogger, error)
 
-// LiveDirectory is the collection of tracers which can be used
+// Directory is the collection of tracers which can be used
 // during normal block import operations.
-var LiveDirectory = liveDirectory{elems: make(map[string]ctorFunc)}
+var Directory = directory{elems: make(map[string]ctorFunc)}
 
-type liveDirectory struct {
+type directory struct {
 	elems map[string]ctorFunc
 }
 
 // Register registers a tracer constructor by name.
-func (d *liveDirectory) Register(name string, f ctorFunc) {
+func (d *directory) Register(name string, f ctorFunc) {
 	d.elems[name] = f
 }
 
 // New instantiates a tracer by name.
-func (d *liveDirectory) New(name string) (core.BlockchainLogger, error) {
+func (d *directory) New(name string) (core.BlockchainLogger, error) {
 	if f, ok := d.elems[name]; ok {
 		return f()
 	}

eth/tracers/live/noop.go

@@ -8,12 +8,12 @@ import (
 	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
-	"github.com/ethereum/go-ethereum/eth/tracers/directory"
+	"github.com/ethereum/go-ethereum/eth/tracers/directory/live"
 	"github.com/ethereum/go-ethereum/params"
 )
 
 func init() {
-	directory.LiveDirectory.Register("noop", newNoopTracer)
+	live.Directory.Register("noop", newNoopTracer)
 }
 
 // noop is a no-op live tracer. It's there to