Update ProtocolResponse (#1369)

* Update `ProtocolResponse`

* Fix protocolVersion type

* Return IOTA_SUPPLY as String in ProtocolResponse

bee-api/bee-rest-api/src/endpoints/routes/api/v2/info.rs

@@ -3,6 +3,7 @@
 
 use std::{convert::Infallible, net::IpAddr};
 
+use bee_message::constant::{IOTA_SUPPLY, PROTOCOL_VERSION};
 use bee_protocol::workers::{config::ProtocolConfig, PeerManager};
 use bee_runtime::{node::NodeInfo, resource::ResourceHandle};
 use bee_tangle::Tangle;
@@ -91,6 +92,7 @@ pub(crate) fn info<B: StorageBackend>(
             pruning_index: *tangle.get_pruning_index(),
         },
         protocol: ProtocolResponse {
+            version: PROTOCOL_VERSION,
             network_name: network_id.0,
             bech32_hrp,
             min_pow_score: protocol_config.minimum_pow_score(),
@@ -99,6 +101,7 @@ pub(crate) fn info<B: StorageBackend>(
                 v_byte_factor_key: protocol_config.byte_cost().v_byte_factor_key,
                 v_byte_factor_data: protocol_config.byte_cost().v_byte_factor_data,
             },
+            token_supply: IOTA_SUPPLY.to_string(),
         },
         metrics: MetricsResponse {
             messages_per_second: 0.0,            // TODO

bee-api/bee-rest-api/src/types/responses.rs

@@ -44,6 +44,8 @@ pub struct StatusResponse {
 /// Protocol information about the node.
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
 pub struct ProtocolResponse {
+    #[serde(rename = "protocolVersion")]
+    pub version: u8,
     #[serde(rename = "networkName")]
     pub network_name: String,
     #[serde(rename = "bech32HRP")]
@@ -52,6 +54,8 @@ pub struct ProtocolResponse {
     pub min_pow_score: f64,
     #[serde(rename = "rentStructure")]
     pub rent_structure: RentStructureResponse,
+    #[serde(rename = "tokenSupply")]
+    pub token_supply: String,
 }
 
 /// Returned in [`InfoResponse`].