* initial logic for the gRPC block service (#1094)

* initial logic for gRPC block client and test (#1094)

* block response and request (#1094)

* add configuration for block service (#1094)

* use pointer for request parameter (#1094)

* change block service GetBlock response (#1094)

* return block information (#1094)

* convert core type to proto type (#1094)

* hookup server (#1094)

* hooking directly to the BlockStore instead of Environment (#1094)

* changing client return type, use core type (#1094)

* convert from proto to core type (#1094)

* implemented proper logic to test block service (#1094)

* return the latest height if height is 0 (#1094)

* adding proper grpc error handling and return (#1094)

* rename rpc and message in proto to match ADR-101 spec (#1094)

* renaming service and client methods structs to match ADR (#1094)

* additional error handling (#1094)

* rename get block request and response (#1094)

* update method name in the client (#1094)

* proto entries for GetLatestHeight logic (#1094)

* added logic for streaming new blocks as part of GetLatestHeight (#1094)

* ensure subcribers have their own unique id (#1094)

* client logic to use a channel parameter (#1094)

* added test for GetLatestHeight (#1094)

* better streaming test to prevent error (#1094)

* remove empty line

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* removing UNARY_RPC to prevent lint on server streaming (#1094)

* remove server reflection, doesn't work well with gogoproto (#1094)

* handle negative height parameter (#1094)

* remove `Block` from `GetBlockLatestHeight`

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* changed method name and fixes to test (#1094)

* fixes from PR feedback (#1094)

* remove vars

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* fix declaration

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* simplify error return

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* simplest error return

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* remove line

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* remove var declaration, not needed

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* use simplest error return

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* simplest error return

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* simplest error return

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* simplify error handling

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* simplified the logic for subscriber id (#1094)

* more fixs based on PR feedback (#1094)

* generated new protos (#1094)

* remove else logic to allow compilation (#1094)

* added logging capabilities to the block service and added log messages (#1094)

* ensure node is a valid testing node (#1094)

* added more conditions to handle subscription cancel (#1094)

* use break in the for loop (#1094)

* renamed ResultBlock to Block (#1094)

* refactored the client logic use a channel for errors (#1094)

* simplify subscriber name

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* adding error to log

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* update logging

Co-authored-by: Thane Thomson <connect@thanethomson.com>

* Simplified and improved logging (#1094)

* added logic to drop the height publish if channel full (#194)

* improved test to ensure is not light or seed node (#1094)

* refactored block service to use one channel with result type (#1094)

* blockservice: Apply service name to all logs

Signed-off-by: Thane Thomson <connect@thanethomson.com>

* blockservice: Capitalize start of all log messages

Signed-off-by: Thane Thomson <connect@thanethomson.com>

* blockservice: Remove unnecessary logs

Signed-off-by: Thane Thomson <connect@thanethomson.com>

* blockservice: Add trivial RPC error response tracing mechanism for easier debugging

Signed-off-by: Thane Thomson <connect@thanethomson.com>

* blockservice: Simplify constructor

Signed-off-by: Thane Thomson <connect@thanethomson.com>

* blockservice: Extract type assertion

Signed-off-by: Thane Thomson <connect@thanethomson.com>

* Add changelog entries

Signed-off-by: Thane Thomson <connect@thanethomson.com>

* docs: Update configuration-related content

Signed-off-by: Thane Thomson <connect@thanethomson.com>

* grpc/client: Format

Signed-off-by: Thane Thomson <connect@thanethomson.com>

* grpc: Extract function to validate or update block height from request

Signed-off-by: Thane Thomson <connect@thanethomson.com>

---------

Signed-off-by: Thane Thomson <connect@thanethomson.com>
Co-authored-by: Thane Thomson <connect@thanethomson.com>