Upstream sync

config/models.go

@@ -5,6 +5,7 @@ type Config struct {
 	Service      Service
 	AdminService Service
 	Database     Database
+	Blockchain   Blockchain
 }
 
 // Service contains configuration for service
@@ -15,6 +16,14 @@ type Service struct {
 	BlockchainSecret string
 }
 
+// Blockchain contains configuration for blockchain
+type Blockchain struct {
+	NetworkEndpoint  string
+	ContractAddress  string
+	WalletAddress    string
+	WalletPrivateKey string
+}
+
 // Database configuration
 type Database struct {
 	UserName     string