v2: gen contract + healthcheck rpc added

Signed-off-by: nfel <nfilsaraee@gmail.com>

wallet/v1/msg.proto

@@ -551,8 +551,9 @@ message BuyAssetReq {
   double amount_irt = 3;
   double amount_asset = 4;
   BuyAssetSide side = 5;
-  optional string discount_code = 6;
-  optional auth.v1.TFA tfa = 7; // This might be used in the future
+  optional uint64 contract_id = 6; // Only in asset that require agreement contract
+  optional string discount_code = 7;
+  optional auth.v1.TFA tfa = 8; // This might be used in the future
 }
 
 enum BuyAssetSide {
@@ -578,3 +579,27 @@ message BuyAssetRes {
   string irt_hash = 2;
   string asset_hash = 3;
 }
+
+/* Contract */
+
+enum ContractType {
+  CONTRACT_TYPE_ICO = 0;
+  CONTRACT_TYPE_MARKET = 1;
+  CONTRACT_TYPE_BNPL = 2;
+  CONTRACT_TYPE_REDEEM = 3;
+}
+
+message GenerateContractReq {
+  auth.v1.InternalIAM iam = 1;
+  int64 asset_id = 2;
+  int64 amount = 3;
+  ContractType contract_type = 4;
+  map<string, string> metadata = 5;
+}
+
+message ContractRes {
+  string link = 1;
+  uint64 contract_id = 2;
+  string contract_hash = 3;
+  string contract_content = 4;
+}