* Fix a typo
* BlockBuilder dummy
* BlockProposerParametersPOS -> BlockBuilderParameters
* Pass tx to MiningStep
* BlockBuilderFunc
* Interrupt in MiningExec Stage
* Draft implementation of BlockBuilder
* Fail back to empty header
* Add a comment
* cosmetic change
* Cosmetic change again
* It's not safe to pass transactions between goroutines
* save
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* ISSUE-2710: Add standard grpc health check to services with grpc server
* Go import changed files
* Add flags for healthcheck
* Add grpc healthcheck option to rpcdaemon
* Remove grpc port info if grpc is not enabled
* Resolve merge issues