update .proto rpc calls / data structures in line with engg codebase

[arcolife]

in line with HybridConsensusHelp.proto from truechain-engineering-code

ref: https://github.com/truechain/truechain-engineering-code/blob/master/eth/truechain/HybridConsensusHelp.proto

[iceming123]

Is it about the RLP encoding the data structure in proto error?

[arcolife]

@iceming123 tangentially related. One can either use RLPs or protobufs. prysmaticlabs/prysm#150

go-ethereum codebase that you're integrating with mainnet would normally include RLP to talk to each other. but fastchain communicates with snailchain using protobuf.

but this issue right here is about making sure the .proto file we discussed, works for both. currently, it is facilitated to work for core-consensus itself, because of lacking simulations.