Add monthly income service.

Sources/SubVTData/Model/Report/MonthlyIncomeReport.swift

@@ -0,0 +1,17 @@
+import Foundation
+
+public struct MonthlyIncome: Hashable {
+    public let year: UInt32
+    public let month: UInt32
+    public let income: Decimal
+}
+
+extension MonthlyIncome: Codable {}
+
+public struct MonthlyIncomeReport {
+    public let rewardee: AccountId
+    public let tokenSymbol: String
+    public let monthlyIncome: [MonthlyIncome]
+}
+
+extension MonthlyIncomeReport: Codable {}

Sources/SubVTData/Service/REST/ReportService.swift

@@ -171,4 +171,13 @@ public final class ReportService: BaseRESTService {
             method: .get
         )
     }
+
+    public func getMonthlyIncomeReport(
+        rewardeeAccountId: AccountId
+    ) -> ServiceResponsePublisher<MonthlyIncomeReport> {
+        return perform(
+            path: "/validator/\(rewardeeAccountId.toHex())/income/monthly",
+            method: .get
+        )
+    }
 }

Tests/SubVTDataTests/ReportServiceTests.swift

@@ -244,6 +244,18 @@ final class ReportServiceTests: BaseTest {
         }
     }
 
+    func test19GetMonthlyIncome() {
+        testServiceCall(
+            publisher: service.getMonthlyIncomeReport(
+                rewardeeAccountId: validatorAccountId
+            )
+        ) {
+            (report, error) in
+            print("\(report!.monthlyIncome[0].income)")
+            XCTAssertNil(error)
+        }
+    }
+
     static var allTests = [
         ("test01GetSingleEraReport", test01GetSingleEraReport),
         ("test02GetMultipleEraReport", test02GetMultipleEraReport),
@@ -262,5 +274,7 @@ final class ReportServiceTests: BaseTest {
         ("test15GetSingleSessionValidatorReport", test15GetSingleSessionValidatorReport),
         ("test16GetMultipleSessionValidatorReport", test16GetMultipleSessionValidatorReport),
         ("test17GetCurrentSession", test17GetCurrentSession),
+        ("test18GetNetworkStatus", test18GetNetworkStatus),
+        ("test19GetMonthlyIncome", test19GetMonthlyIncome),
     ]
 }