gRPC: Uptime runtime to v2 (#590)

* Upgrade to gRPC v2 runtime

* Fix tests

* Update docs

* Win/Linus/macOS path friendliness

* Swagger/docs update

gctrpc/README.md

@@ -33,12 +33,13 @@ manager or by downloading one of the releases from the official repository:
 
 [protoc releases](https://github.com/protocolbuffers/protobuf/releases)
 
-Then use `go get -u` to download the following packages:
+Then use `go get` to download the following packages:
 
 ```bash
-go get -u github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway
-go get -u github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger
-go get -u github.com/golang/protobuf/protoc-gen-go
+go get github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-grpc-gateway
+go get github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger
+go get google.golang.org/protobuf/cmd/protoc-gen-go
+go get google.golang.org/grpc/cmd/protoc-gen-go-grpc
 ```
 
 This will place three binaries in your `$GOBIN`;
@@ -46,6 +47,7 @@ This will place three binaries in your `$GOBIN`;
 * `protoc-gen-grpc-gateway`
 * `protoc-gen-swagger`
 * `protoc-gen-go`
+* `protoc-gen-go-grpc`
 
 Make sure that your `$GOBIN` is in your `$PATH`.
 

gctrpc/gen_pb_linux.sh

@@ -1,5 +1,9 @@
 echo "GoCryptoTrader: Generating gRPC, proxy and swagger files."
+# You may need to include the go mod package for the annotations file:
+# $GOPATH/pkg/mod/github.com/grpc-ecosystem/grpc-gateway/v2@v2.0.1/third_party/googleapis
+
 export GOPATH=$(go env GOPATH)
-protoc -I=. -I=$GOPATH/src -I=$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis --go_out=plugins=grpc:. rpc.proto
+protoc -I=. -I=$GOPATH/src -I=$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis --go_out=. rpc.proto
+protoc -I=. -I=$GOPATH/src -I=$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis --go-grpc_out=. rpc.proto
 protoc -I=. -I=$GOPATH/src -I=$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis --grpc-gateway_out=logtostderr=true:. rpc.proto
 protoc -I=. -I=$GOPATH/src -I=$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis --swagger_out=logtostderr=true:. rpc.proto

gctrpc/gen_pb_win.bat

@@ -1,5 +1,9 @@
 @echo off
 echo GoCryptoTrader: Generating gRPC, proxy and swagger files.
-protoc -I=. -I=%GOPATH%\src -I=%GOPATH%\src\github.com\grpc-ecosystem\grpc-gateway\third_party\googleapis --go_out=plugins=grpc:. rpc.proto
+REM You may need to include the go mod package for the annotations file:
+REM %GOPATH%\pkg\mod\github.com\grpc-ecosystem\grpc-gateway\v2@v2.0.1\third_party\googleapis
+
+protoc -I=. -I=%GOPATH%\src -I=%GOPATH%\src\github.com\grpc-ecosystem\grpc-gateway\third_party\googleapis --go_out=. rpc.proto
+protoc -I=. -I=%GOPATH%\src -I=%GOPATH%\src\github.com\grpc-ecosystem\grpc-gateway\third_party\googleapis --go-grpc_out=. rpc.proto
 protoc -I=. -I=%GOPATH%\src -I=%GOPATH%\src\github.com\grpc-ecosystem\grpc-gateway\third_party\googleapis --grpc-gateway_out=logtostderr=true:. rpc.proto
 protoc -I=. -I=%GOPATH%\src -I=%GOPATH%\src\github.com\grpc-ecosystem\grpc-gateway\third_party\googleapis --swagger_out=logtostderr=true:. rpc.proto

gctrpc/rpc.proto

@@ -3,7 +3,7 @@ import "google/api/annotations.proto";
 import "google/protobuf/timestamp.proto";
 
 package gctrpc;
-option go_package = ".;gctrpc";
+option go_package = "github.com/thrasher-corp/gocryptotrader/gctrpc";
 
 message GetInfoRequest {}
 
@@ -799,8 +799,8 @@ message WebsocketSetURLRequest {
 }
 
 message FindMissingCandlePeriodsRequest {
-    string exchangeName = 1;
-    string assetType = 2;
+    string exchange_name = 1;
+    string asset_type = 2;
     CurrencyPair pair = 3;
     int64 interval = 4;
     string start = 5;
@@ -808,18 +808,18 @@ message FindMissingCandlePeriodsRequest {
 }
 
 message FindMissingTradePeriodsRequest {
-    string exchangeName = 1;
-    string assetType = 2;
+    string exchange_name = 1;
+    string asset_type = 2;
     CurrencyPair pair = 3;
     string start = 4;
     string end = 5;
 }
 
 message FindMissingIntervalsResponse {
-    string exchangeName = 1;
-    string assetType = 2;
+    string exchange_name = 1;
+    string asset_type = 2;
     CurrencyPair pair = 3;
-    repeated string missingPeriods = 4;
+    repeated string missing_periods = 4;
     string status = 5;
 }