-
- blocker, err := a.chain.GetBlocker(&block.PreviousBlockHash, block.Timestamp)
- if err != nil {
- return NewErrorResponse(err)
+ var blocker string
+ if block.Height > 0 {
+ if blocker, err = a.chain.GetBlocker(&block.PreviousBlockHash, block.Timestamp); err != nil {
+ return NewErrorResponse(err)
+ }