core/rawdb: simple legacy receipt converter (#24028)

* cmd,core: add simple legacy receipt converter

core/rawdb: use forEach in migrate

core/rawdb: batch reads in forEach

core/rawdb: make forEach anonymous fn

cmd/geth: check for legacy receipts on node startup

fix err msg

Co-authored-by: rjl493456442 <garyrong0905@gmail.com>

fix log

Co-authored-by: rjl493456442 <garyrong0905@gmail.com>

fix some review comments

add warning to cmd

drop isLegacy fn from migrateTable params

add test for windows rename

test replacing in windows case

* minor fix

* sanity check for tail-deletion

* add log before moving files around

* speed-up hack for mainnet

* fix mainnet check, use networkid instead

* check mainnet genesis

* review fixes

* resume previous migration attempt

* core/rawdb: lint fix

Co-authored-by: Martin Holst Swende <martin@swende.se>

core/rawdb/freezer_test.go

@@ -24,6 +24,7 @@ import (
 	"math/big"
 	"math/rand"
 	"os"
+	"path"
 	"sync"
 	"testing"
 
@@ -337,3 +338,92 @@ func checkAncientCount(t *testing.T, f *freezer, kind string, n uint64) {
 		t.Errorf("Ancient(%q, %d) returned unexpected error %q", kind, index, err)
 	}
 }
+
+func TestRenameWindows(t *testing.T) {
+	var (
+		fname   = "file.bin"
+		fname2  = "file2.bin"
+		data    = []byte{1, 2, 3, 4}
+		data2   = []byte{2, 3, 4, 5}
+		data3   = []byte{3, 5, 6, 7}
+		dataLen = 4
+	)
+
+	// Create 2 temp dirs
+	dir1, err := os.MkdirTemp("", "rename-test")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.Remove(dir1)
+	dir2, err := os.MkdirTemp("", "rename-test")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.Remove(dir2)
+
+	// Create file in dir1 and fill with data
+	f, err := os.Create(path.Join(dir1, fname))
+	if err != nil {
+		t.Fatal(err)
+	}
+	f2, err := os.Create(path.Join(dir1, fname2))
+	if err != nil {
+		t.Fatal(err)
+	}
+	f3, err := os.Create(path.Join(dir2, fname2))
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, err := f.Write(data); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := f2.Write(data2); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := f3.Write(data3); err != nil {
+		t.Fatal(err)
+	}
+	if err := f.Close(); err != nil {
+		t.Fatal(err)
+	}
+	if err := f2.Close(); err != nil {
+		t.Fatal(err)
+	}
+	if err := f3.Close(); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.Rename(f.Name(), path.Join(dir2, fname)); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.Rename(f2.Name(), path.Join(dir2, fname2)); err != nil {
+		t.Fatal(err)
+	}
+
+	// Check file contents
+	f, err = os.Open(path.Join(dir2, fname))
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer f.Close()
+	defer os.Remove(f.Name())
+	buf := make([]byte, dataLen)
+	if _, err := f.Read(buf); err != nil {
+		t.Fatal(err)
+	}
+	if !bytes.Equal(buf, data) {
+		t.Errorf("unexpected file contents. Got %v\n", buf)
+	}
+
+	f, err = os.Open(path.Join(dir2, fname2))
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer f.Close()
+	defer os.Remove(f.Name())
+	if _, err := f.Read(buf); err != nil {
+		t.Fatal(err)
+	}
+	if !bytes.Equal(buf, data2) {
+		t.Errorf("unexpected file contents. Got %v\n", buf)
+	}
+}