eth-testing/chains/chaindata_test.go

60 lines
1.4 KiB
Go

package chaindata_test
import (
"testing"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/state"
"github.com/cerc-io/eth-testing/chaindata"
)
func testReadChainData(t *testing.T, data *chaindata.Paths) {
kvdb, ldberr := rawdb.NewLevelDBDatabase(data.ChainData, 1024, 256, t.Name(), true)
if ldberr != nil {
t.Fatal(ldberr)
}
edb, err := rawdb.NewDatabaseWithFreezer(kvdb, data.Ancient, t.Name(), true)
if err != nil {
t.Fatal(err)
}
defer edb.Close()
// Check that we can open and traverse a trie at the head block
hash := rawdb.ReadHeadHeaderHash(edb)
height := rawdb.ReadHeaderNumber(edb, hash)
if height == nil {
t.Fatalf("unable to read header height for header hash %s", hash)
}
header := rawdb.ReadHeader(edb, hash, *height)
if header == nil {
t.Fatalf("unable to read canonical header at height %d", *height)
}
sdb := state.NewDatabase(edb)
tree, err := sdb.OpenTrie(header.Root)
if err != nil {
t.Fatal(err)
}
it, err := tree.NodeIterator(nil)
if err != nil {
t.Fatal(err)
}
for it.Next(true) {
}
if err := it.Error(); err != nil {
t.Fatal(err)
}
}
func TestReadChainData(t *testing.T) {
for _, name := range []string{"permerge1", "premerge2"} {
t.Run(name, func(t *testing.T) {
data, err := chaindata.GetFixture(name)
if err != nil {
t.Fatal(err)
}
testReadChainData(t, data)
})
}
}