Initial commit: smart contract templates for bash, go, python, and typescript

go/proto/remote_sc.proto

@@ -0,0 +1,50 @@
+syntax = "proto3";
+
+package remote_sc;
+
+option go_package = "git.dragonchain.com/dragonchain/sc-templates/go/proto";
+
+// SmartContractService defines the bi-directional streaming service for remote
+// smart contract execution. External workers connect to this service to receive
+// execution tasks and send back results.
+service SmartContractService {
+  // Run establishes a bi-directional stream. The server sends SmartContractRequest
+  // messages to the client for execution, and the client sends back
+  // SmartContractResponse messages with results.
+  rpc Run(stream SmartContractResponse) returns (stream SmartContractRequest);
+}
+
+// SmartContractRequest is sent from the server to the connected worker
+// to request execution of a smart contract.
+message SmartContractRequest {
+  // Unique identifier for this execution request, used to correlate responses
+  string transaction_id = 1;
+
+  // Full transaction JSON to be processed by the smart contract
+  string transaction_json = 2;
+
+  // Environment variables to set for the smart contract execution
+  map<string, string> env_vars = 3;
+
+  // Secrets to be made available to the smart contract
+  map<string, string> secrets = 4;
+}
+
+// SmartContractResponse is sent from the worker back to the server
+// with the results of smart contract execution.
+message SmartContractResponse {
+  // The transaction_id from the original request, for correlation
+  string transaction_id = 1;
+
+  // The result data from the smart contract execution as JSON
+  string result_json = 2;
+
+  // Logs captured during smart contract execution
+  string logs = 3;
+
+  // Whether to persist the output to the chain
+  bool output_to_chain = 4;
+
+  // Error message if execution failed
+  string error = 5;
+}