add subdao epoch info related msg support

src/reward_manifest.proto

@@ -46,4 +46,6 @@ message reward_manifest {
     mobile_reward_data mobile_reward_data = 4;
     iot_reward_data iot_reward_data = 5;
   }
+  // the epoch of the reward share
+  uint64 epoch = 6;
 }

src/service/mobile_config.proto

@@ -21,6 +21,44 @@ import "reward_manifest.proto";
 // - Keypair fields are binary encoded public keys, Rust encoding example here:
 //    https://github.com/helium/helium-crypto-rs/blob/main/src/public_key.rs#L347-L354
 
+message sub_dao_epoch_reward_info {
+  // The epoch the reward info was issued for
+  uint64 epoch = 1;
+  // The public key binary address and on-chain identity of the epoch
+  bytes address = 2;
+  // The public key binary address and on-chain identity of the subdao
+  bytes sub_dao = 3;
+  // The utility score of the subdao for the epoch
+  uint64 sub_dao_utility_score = 4;
+  // The total utility score of the dao for the epoch
+  uint64 total_utility_score = 5;
+  // The total emissions of the dao for the epoch
+  uint64 total_emissions = 6;
+  // timestamp in seconds when the rewards were issued
+  uint64 rewards_issued_at = 7;
+}
+
+message sub_dao_epoch_reward_info_req_v1 {
+  // The public key binary address and on-chain identity of the subdao to look
+  // up
+  bytes sub_dao = 1;
+  // The epoch for the specified subdao to look up
+  uint64 epoch = 2;
+  // pubkey binary of the signing keypair
+  bytes signer = 3;
+  bytes signature = 4;
+}
+
+message sub_dao_epoch_reward_info_res_v1 {
+  // The reward info for the specified subdao & epoch
+  sub_dao_epoch_reward_info info = 1;
+  // unix epoch timestamp in seconds
+  uint64 timestamp = 2;
+  // pubkey binary of the signing keypair
+  bytes signer = 3;
+  bytes signature = 4;
+}
+
 message gateway_metadata {
   // The res12 h3 index asserted address of the gateway as a string
   // where an unasserted gateway returns an empty string
@@ -266,6 +304,12 @@ message carrier_incentive_promotion_list_res_v1 {
 // Service Definitions
 // ------------------------------------------------------------------
 
+service sub_dao {
+  // Get reward info for the specified subdao & epoch
+  rpc info(sub_dao_epoch_reward_info_req_v1)
+      returns (sub_dao_epoch_reward_info_res_v1);
+}
+
 service gateway {
   // Get info for the specified gateway
   rpc info(gateway_info_req_v1) returns (gateway_info_res_v1);

src/service/poc_mobile.proto

@@ -619,6 +619,8 @@ message mobile_reward_share {
     radio_reward_v2 radio_reward_v2 = 8;
     promotion_reward promotion_reward = 9;
   }
+  // the epoch of the reward share
+  uint64 epoch = 10;
 }
 
 enum speedtest_avg_validity {