diff --git a/core/rawdb/database.go b/core/rawdb/database.go
index 25cd20d164..6a1b717066 100644
--- a/core/rawdb/database.go
+++ b/core/rawdb/database.go
@@ -32,7 +32,6 @@ import (
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/ethdb/memorydb"
"github.com/ethereum/go-ethereum/log"
- "github.com/olekukonko/tablewriter"
)
var ErrDeleteRangeInterrupted = errors.New("safe delete range operation interrupted")
@@ -582,7 +581,7 @@ func InspectDatabase(db ethdb.Database, keyPrefix, keyStart []byte) error {
}
total += ancient.size()
}
- table := tablewriter.NewWriter(os.Stdout)
+ table := newTableWriter(os.Stdout)
table.SetHeader([]string{"Database", "Category", "Size", "Items"})
table.SetFooter([]string{"", "Total", total.String(), " "})
table.AppendBulk(stats)
diff --git a/core/rawdb/database_tablewriter_tinygo.go b/core/rawdb/database_tablewriter_tinygo.go
new file mode 100644
index 0000000000..2f8e456fd5
--- /dev/null
+++ b/core/rawdb/database_tablewriter_tinygo.go
@@ -0,0 +1,208 @@
+// Copyright 2025 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see .
+
+// TODO: naive stub implementation for tablewriter
+
+//go:build tinygo
+// +build tinygo
+
+package rawdb
+
+import (
+ "errors"
+ "fmt"
+ "io"
+ "strings"
+)
+
+const (
+ cellPadding = 1 // Number of spaces on each side of cell content
+ totalPadding = 2 * cellPadding // Total padding per cell. Its two because we pad equally on both sides
+)
+
+type Table struct {
+ out io.Writer
+ headers []string
+ footer []string
+ rows [][]string
+}
+
+func newTableWriter(w io.Writer) *Table {
+ return &Table{out: w}
+}
+
+// SetHeader sets the header row for the table. Headers define the column names
+// and determine the number of columns for the entire table.
+//
+// All data rows and footer must have the same number of columns as the headers.
+//
+// Note: Headers are required - tables without headers will fail validation.
+func (t *Table) SetHeader(headers []string) {
+ t.headers = headers
+}
+
+// SetFooter sets an optional footer row for the table.
+//
+// The footer must have the same number of columns as the headers, or validation will fail.
+func (t *Table) SetFooter(footer []string) {
+ t.footer = footer
+}
+
+// AppendBulk sets all data rows for the table at once, replacing any existing rows.
+//
+// Each row must have the same number of columns as the headers, or validation
+// will fail during Render().
+func (t *Table) AppendBulk(rows [][]string) {
+ t.rows = rows
+}
+
+// Render outputs the complete table to the configured writer. The table is rendered
+// with headers, data rows, and optional footer.
+//
+// If validation fails, an error message is written to the output and rendering stops.
+func (t *Table) Render() {
+ if err := t.render(); err != nil {
+ fmt.Fprintf(t.out, "Error: %v\n", err)
+ return
+ }
+}
+
+func (t *Table) render() error {
+ if err := t.validateColumnCount(); err != nil {
+ return err
+ }
+
+ widths := t.calculateColumnWidths()
+ rowSeparator := t.buildRowSeparator(widths)
+
+ if len(t.headers) > 0 {
+ t.printRow(t.headers, widths)
+ fmt.Fprintln(t.out, rowSeparator)
+ }
+
+ for _, row := range t.rows {
+ t.printRow(row, widths)
+ }
+
+ if len(t.footer) > 0 {
+ fmt.Fprintln(t.out, rowSeparator)
+ t.printRow(t.footer, widths)
+ }
+
+ return nil
+}
+
+// validateColumnCount checks that all rows and footer match the header column count
+func (t *Table) validateColumnCount() error {
+ if len(t.headers) == 0 {
+ return errors.New("table must have headers")
+ }
+
+ expectedCols := len(t.headers)
+
+ // Check all rows have same column count as headers
+ for i, row := range t.rows {
+ if len(row) != expectedCols {
+ return fmt.Errorf("row %d has %d columns, expected %d", i, len(row), expectedCols)
+ }
+ }
+
+ // Check footer has same column count as headers (if present)
+ footerPresent := len(t.footer) > 0
+ if footerPresent && len(t.footer) != expectedCols {
+ return fmt.Errorf("footer has %d columns, expected %d", len(t.footer), expectedCols)
+ }
+
+ return nil
+}
+
+// calculateColumnWidths determines the minimum width needed for each column.
+//
+// This is done by finding the longest content in each column across headers, rows, and footer.
+//
+// Returns an int slice where widths[i] is the display width for column i (including padding).
+func (t *Table) calculateColumnWidths() []int {
+ // Headers define the number of columns
+ cols := len(t.headers)
+ if cols == 0 {
+ return nil
+ }
+
+ // Track maximum content width for each column (before padding)
+ widths := make([]int, cols)
+
+ // Start with header widths
+ for i, h := range t.headers {
+ widths[i] = len(h)
+ }
+
+ // Find max width needed for data cells in each column
+ for _, row := range t.rows {
+ for i, cell := range row {
+ widths[i] = max(widths[i], len(cell))
+ }
+ }
+
+ // Find max width needed for footer in each column
+ for i, f := range t.footer {
+ widths[i] = max(widths[i], len(f))
+ }
+
+ for i := range widths {
+ widths[i] += totalPadding
+ }
+
+ return widths
+}
+
+// buildRowSeparator creates a horizontal line to separate table rows.
+//
+// It generates a string with dashes (-) for each column width, joined by plus signs (+).
+//
+// Example output: "----------+--------+-----------"
+func (t *Table) buildRowSeparator(widths []int) string {
+ parts := make([]string, len(widths))
+ for i, w := range widths {
+ parts[i] = strings.Repeat("-", w)
+ }
+ return strings.Join(parts, "+")
+}
+
+// printRow outputs a single row to the table writer.
+//
+// Each cell is padded with spaces and separated by pipe characters (|).
+//
+// Example output: " Database | Size | Items "
+func (t *Table) printRow(row []string, widths []int) {
+ for i, cell := range row {
+ if i > 0 {
+ fmt.Fprint(t.out, "|")
+ }
+
+ // Calculate centering pad without padding
+ contentWidth := widths[i] - totalPadding
+ cellLen := len(cell)
+ leftPadCentering := (contentWidth - cellLen) / 2
+ rightPadCentering := contentWidth - cellLen - leftPadCentering
+
+ // Build padded cell with centering
+ leftPadding := strings.Repeat(" ", cellPadding+leftPadCentering)
+ rightPadding := strings.Repeat(" ", cellPadding+rightPadCentering)
+
+ fmt.Fprintf(t.out, "%s%s%s", leftPadding, cell, rightPadding)
+ }
+ fmt.Fprintln(t.out)
+}
diff --git a/core/rawdb/database_tablewriter_tinygo_test.go b/core/rawdb/database_tablewriter_tinygo_test.go
new file mode 100644
index 0000000000..3bcf93832b
--- /dev/null
+++ b/core/rawdb/database_tablewriter_tinygo_test.go
@@ -0,0 +1,124 @@
+// Copyright 2025 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see .
+
+//go:build tinygo
+// +build tinygo
+
+package rawdb
+
+import (
+ "bytes"
+ "strings"
+ "testing"
+)
+
+func TestTableWriterTinyGo(t *testing.T) {
+ var buf bytes.Buffer
+ table := newTableWriter(&buf)
+
+ headers := []string{"Database", "Size", "Items", "Status"}
+ rows := [][]string{
+ {"chaindata", "2.5 GB", "1,234,567", "Active"},
+ {"state", "890 MB", "456,789", "Active"},
+ {"ancient", "15.2 GB", "2,345,678", "Readonly"},
+ {"logs", "120 MB", "89,012", "Active"},
+ }
+ footer := []string{"Total", "18.71 GB", "4,125,046", "-"}
+
+ table.SetHeader(headers)
+ table.AppendBulk(rows)
+ table.SetFooter(footer)
+ table.Render()
+
+ output := buf.String()
+ t.Logf("Table output using custom stub implementation:\n%s", output)
+}
+
+func TestTableWriterValidationErrors(t *testing.T) {
+ // Test missing headers
+ t.Run("MissingHeaders", func(t *testing.T) {
+ var buf bytes.Buffer
+ table := newTableWriter(&buf)
+
+ rows := [][]string{{"x", "y", "z"}}
+
+ table.AppendBulk(rows)
+ table.Render()
+
+ output := buf.String()
+ if !strings.Contains(output, "table must have headers") {
+ t.Errorf("Expected error for missing headers, got: %s", output)
+ }
+ })
+
+ t.Run("NotEnoughRowColumns", func(t *testing.T) {
+ var buf bytes.Buffer
+ table := newTableWriter(&buf)
+
+ headers := []string{"A", "B", "C"}
+ badRows := [][]string{
+ {"x", "y"}, // Missing column
+ }
+
+ table.SetHeader(headers)
+ table.AppendBulk(badRows)
+ table.Render()
+
+ output := buf.String()
+ if !strings.Contains(output, "row 0 has 2 columns, expected 3") {
+ t.Errorf("Expected validation error for row 0, got: %s", output)
+ }
+ })
+
+ t.Run("TooManyRowColumns", func(t *testing.T) {
+ var buf bytes.Buffer
+ table := newTableWriter(&buf)
+
+ headers := []string{"A", "B", "C"}
+ badRows := [][]string{
+ {"p", "q", "r", "s"}, // Extra column
+ }
+
+ table.SetHeader(headers)
+ table.AppendBulk(badRows)
+ table.Render()
+
+ output := buf.String()
+ if !strings.Contains(output, "row 0 has 4 columns, expected 3") {
+ t.Errorf("Expected validation error for row 0, got: %s", output)
+ }
+ })
+
+ // Test mismatched footer columns
+ t.Run("MismatchedFooterColumns", func(t *testing.T) {
+ var buf bytes.Buffer
+ table := newTableWriter(&buf)
+
+ headers := []string{"A", "B", "C"}
+ rows := [][]string{{"x", "y", "z"}}
+ footer := []string{"total", "sum"} // Missing column
+
+ table.SetHeader(headers)
+ table.AppendBulk(rows)
+ table.SetFooter(footer)
+ table.Render()
+
+ output := buf.String()
+ if !strings.Contains(output, "footer has 2 columns, expected 3") {
+ t.Errorf("Expected validation error for footer, got: %s", output)
+ }
+ })
+}
diff --git a/core/rawdb/database_tablewriter_unix.go b/core/rawdb/database_tablewriter_unix.go
new file mode 100644
index 0000000000..8bec5396e8
--- /dev/null
+++ b/core/rawdb/database_tablewriter_unix.go
@@ -0,0 +1,33 @@
+// Copyright 2025 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see .
+
+//go:build !tinygo
+// +build !tinygo
+
+package rawdb
+
+import (
+ "io"
+
+ "github.com/olekukonko/tablewriter"
+)
+
+// Re-export the real tablewriter types and functions
+type Table = tablewriter.Table
+
+func newTableWriter(w io.Writer) *Table {
+ return tablewriter.NewWriter(w)
+}