142 lines
3.7 KiB
Go
142 lines
3.7 KiB
Go
// Copyright 2023 The go-ethereum Authors
|
|
// This file is part of go-ethereum.
|
|
//
|
|
// go-ethereum is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// go-ethereum 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 General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package era
|
|
|
|
import (
|
|
"bytes"
|
|
"io"
|
|
"math/big"
|
|
"os"
|
|
"testing"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
)
|
|
|
|
type testchain struct {
|
|
headers [][]byte
|
|
bodies [][]byte
|
|
receipts [][]byte
|
|
tds []*big.Int
|
|
}
|
|
|
|
func TestEra1Builder(t *testing.T) {
|
|
// Get temp directory.
|
|
f, err := os.CreateTemp("", "era1-test")
|
|
if err != nil {
|
|
t.Fatalf("error creating temp file: %v", err)
|
|
}
|
|
defer f.Close()
|
|
|
|
var (
|
|
builder = NewBuilder(f)
|
|
chain = testchain{}
|
|
)
|
|
for i := 0; i < 128; i++ {
|
|
chain.headers = append(chain.headers, []byte{byte('h'), byte(i)})
|
|
chain.bodies = append(chain.bodies, []byte{byte('b'), byte(i)})
|
|
chain.receipts = append(chain.receipts, []byte{byte('r'), byte(i)})
|
|
chain.tds = append(chain.tds, big.NewInt(int64(i)))
|
|
}
|
|
|
|
// Write blocks to Era1.
|
|
for i := 0; i < len(chain.headers); i++ {
|
|
var (
|
|
header = chain.headers[i]
|
|
body = chain.bodies[i]
|
|
receipts = chain.receipts[i]
|
|
hash = common.Hash{byte(i)}
|
|
td = chain.tds[i]
|
|
)
|
|
if err = builder.AddRLP(header, body, receipts, uint64(i), hash, td, big.NewInt(1)); err != nil {
|
|
t.Fatalf("error adding entry: %v", err)
|
|
}
|
|
}
|
|
|
|
// Finalize Era1.
|
|
if _, err := builder.Finalize(); err != nil {
|
|
t.Fatalf("error finalizing era1: %v", err)
|
|
}
|
|
|
|
// Verify Era1 contents.
|
|
e, err := Open(f.Name())
|
|
if err != nil {
|
|
t.Fatalf("failed to open era: %v", err)
|
|
}
|
|
it, err := NewRawIterator(e)
|
|
if err != nil {
|
|
t.Fatalf("failed to make iterator: %s", err)
|
|
}
|
|
for i := uint64(0); i < uint64(len(chain.headers)); i++ {
|
|
if !it.Next() {
|
|
t.Fatalf("expected more entries")
|
|
}
|
|
if it.Error() != nil {
|
|
t.Fatalf("unexpected error %v", it.Error())
|
|
}
|
|
// Check headers.
|
|
header, err := io.ReadAll(it.Header)
|
|
if err != nil {
|
|
t.Fatalf("error reading header: %v", err)
|
|
}
|
|
if !bytes.Equal(header, chain.headers[i]) {
|
|
t.Fatalf("mismatched header: want %s, got %s", chain.headers[i], header)
|
|
}
|
|
// Check bodies.
|
|
body, err := io.ReadAll(it.Body)
|
|
if err != nil {
|
|
t.Fatalf("error reading body: %v", err)
|
|
}
|
|
if !bytes.Equal(body, chain.bodies[i]) {
|
|
t.Fatalf("mismatched body: want %s, got %s", chain.bodies[i], body)
|
|
}
|
|
// Check receipts.
|
|
receipts, err := io.ReadAll(it.Receipts)
|
|
if err != nil {
|
|
t.Fatalf("error reading receipts: %v", err)
|
|
}
|
|
if !bytes.Equal(receipts, chain.receipts[i]) {
|
|
t.Fatalf("mismatched receipts: want %s, got %s", chain.receipts[i], receipts)
|
|
}
|
|
|
|
// Check total difficulty.
|
|
rawTd, err := io.ReadAll(it.TotalDifficulty)
|
|
if err != nil {
|
|
t.Fatalf("error reading td: %v", err)
|
|
}
|
|
td := new(big.Int).SetBytes(reverseOrder(rawTd))
|
|
if td.Cmp(chain.tds[i]) != 0 {
|
|
t.Fatalf("mismatched tds: want %s, got %s", chain.tds[i], td)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestEraFilename(t *testing.T) {
|
|
for i, tt := range []struct {
|
|
network string
|
|
epoch int
|
|
root common.Hash
|
|
expected string
|
|
}{
|
|
{"mainnet", 1, common.Hash{1}, "mainnet-00001-01000000.era1"},
|
|
} {
|
|
got := Filename(tt.network, tt.epoch, tt.root)
|
|
if tt.expected != got {
|
|
t.Errorf("test %d: invalid filename: want %s, got %s", i, tt.expected, got)
|
|
}
|
|
}
|
|
}
|