1 files changed, 66 insertions, 0 deletions
diff --git a/rpc/comms/inproc.go b/rpc/comms/inproc.go
new file mode 100644
index 000000000..5c84b8fd8
--- /dev/null
+++ b/rpc/comms/inproc.go
@@ -0,0 +1,66 @@
+package comms
+
+import (
+	"fmt"
+
+	"github.com/ethereum/go-ethereum/rpc/codec"
+	"github.com/ethereum/go-ethereum/rpc/shared"
+)
+
+type InProcClient struct {
+	api         shared.EthereumApi
+	codec       codec.Codec
+	lastId      interface{}
+	lastJsonrpc string
+	lastErr     error
+	lastRes     interface{}
+}
+
+// Create a new in process client
+func NewInProcClient(codec codec.Codec) *InProcClient {
+	return &InProcClient{
+		codec: codec,
+	}
+}
+
+func (self *InProcClient) Close() {
+	// do nothing
+}
+
+// Need to setup api support
+func (self *InProcClient) Initialize(offeredApi shared.EthereumApi) {
+	self.api = offeredApi
+}
+
+func (self *InProcClient) Send(req interface{}) error {
+	if r, ok := req.(*shared.Request); ok {
+		self.lastId = r.Id
+		self.lastJsonrpc = r.Jsonrpc
+		self.lastRes, self.lastErr = self.api.Execute(r)
+		return self.lastErr
+	}
+
+	return fmt.Errorf("Invalid request (%T)", req)
+}
+
+func (self *InProcClient) Recv() (interface{}, error) {
+	return self.lastRes, self.lastErr
+}
+
+func (self *InProcClient) SupportedModules() (map[string]string, error) {
+	req := shared.Request{
+		Id:      1,
+		Jsonrpc: "2.0",
+		Method:  "modules",
+	}
+
+	if res, err := self.api.Execute(&req); err == nil {
+		if result, ok := res.(map[string]string); ok {
+			return result, nil
+		}
+	} else {
+		return nil, err
+	}
+
+	return nil, fmt.Errorf("Invalid response")
+}