les: return error for missing header also in les backend - StateAndHeaderByNumber

This commit is contained in:
Martin Holst Swende 2019-03-05 12:19:51 +01:00 committed by Felix Lange
parent 753e74c241
commit f078909863

View file

@ -18,6 +18,7 @@ package les
import (
"context"
"errors"
"math/big"
"github.com/ethereum/go-ethereum/accounts"
@ -78,9 +79,12 @@ func (b *LesApiBackend) BlockByNumber(ctx context.Context, blockNr rpc.BlockNumb
func (b *LesApiBackend) StateAndHeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*state.StateDB, *types.Header, error) {
header, err := b.HeaderByNumber(ctx, blockNr)
if header == nil || err != nil {
if err != nil {
return nil, nil, err
}
if header == nil {
return nil, nil, errors.New("header not found")
}
return light.NewState(ctx, header, b.eth.odr), header, nil
}