fix: server should always use local rpc client (evmos#988)

Closes: evmos#987
Solution:
- use local rpc clint if json-rpc is enabled.

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

CHANGELOG.md

@@ -53,6 +53,9 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 - [crypto-org-chain/ethermint#]() reject invalid `MsgEthereumTx` wrapping tx in a non-breaking way
 
+### Improvements
+- (rpc) [tharsis#988](https://github.com/tharsis/ethermint/pull/988) json-rpc server always use local rpc client
+
 ## [v0.7.2-cronos-5] - 2021-12-16
 
 ### Bug Fixes

server/start.go

@@ -310,9 +310,9 @@ func startInProcess(ctx *server.Context, clientCtx client.Context, appCreator ty
  }
 
  // Add the tx service to the gRPC router. We only need to register this
- // service if API or gRPC is enabled, and avoid doing so in the general
+ // service if API or gRPC or JSONRPC is enabled, and avoid doing so in the general
  // case, because it spawns a new local tendermint RPC client.
- if config.API.Enable || config.GRPC.Enable {
+ if config.API.Enable || config.GRPC.Enable || config.JSONRPC.Enable {
  clientCtx = clientCtx.WithClient(local.New(tmNode))
 
  app.RegisterTxService(clientCtx)