blockType goes with NORMAL when unset

[alexeyneu]

go-iost/core/block/pb/block.proto

Lines 7 to 10 in e07f6d7

	enum BlockType{
	NORMAL = 0;
	ONLYHASH = 1;
	}

it either should include UNSET etc or done with oneof . Latter case could be done completely different so you'll have two different classes intead of switch-case stuff

so If oneof is not used this switch will have default case

go-iost/core/block/block.go

Line 183 in 18e0b52

switch br.BlockType {