Chain type field (mimblewimble#3790)

* Adding chain type field into get_status rpc

* formatting

api/src/owner_rpc.rs

@@ -49,6 +49,7 @@ pub trait OwnerRpc: Sync + Send {
 		"jsonrpc": "2.0",
 		"result": {
 			"Ok": {
+			"chain": "main",
 			"protocol_version": "2",
 			"user_agent": "MW/Grin 2.x.x",
 			"connections": "8",

api/src/types.rs

@@ -16,7 +16,7 @@ use crate::chain;
 use crate::core::core::hash::Hashed;
 use crate::core::core::merkle_proof::MerkleProof;
 use crate::core::core::{FeeFields, KernelFeatures, TxKernel};
-use crate::core::{core, ser};
+use crate::core::{core, global, ser};
 use crate::p2p;
 use crate::util::secp::pedersen;
 use crate::util::{self, ToHex};
@@ -68,6 +68,8 @@ impl Tip {
 /// Status page containing different server information
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct Status {
+	// The chain type
+	pub chain: String,
 	// The protocol version
 	pub protocol_version: u32,
 	// The user user agent
@@ -91,6 +93,7 @@ impl Status {
 		sync_info: Option<serde_json::Value>,
 	) -> Status {
 		Status {
+			chain: global::get_chain_type().shortname(),
 			protocol_version: ser::ProtocolVersion::local().into(),
 			user_agent: p2p::msg::USER_AGENT.to_string(),
 			connections: connections,

src/bin/cmd/client.rs

@@ -92,6 +92,7 @@ impl HTTPNodeClient {
 		t.reset().unwrap();
 		match self.send_json_request::<Status>("get_status", &serde_json::Value::Null) {
 			Ok(status) => {
+				writeln!(e, "Chain type: {}", status.chain).unwrap();
 				writeln!(e, "Protocol version: {:?}", status.protocol_version).unwrap();
 				writeln!(e, "User agent: {}", status.user_agent).unwrap();
 				writeln!(e, "Connections: {}", status.connections).unwrap();