Revert main files that were changed for no apparent reason

.gitignore

@@ -6,4 +6,4 @@ DerivedData/
 .swiftpm/configuration/registries.json
 .swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
 .netrc
-/ExampleWallet/.idea/
+.idea/

Package.swift

@@ -6,8 +6,8 @@ let package = Package(
         name: "ConcordiumSwiftSDK",
         platforms: [
             // To be kept in sync with README.
-            .macOS(.v10_15),
             .iOS(.v15),
+            .macOS(.v10_15),
         ],
         products: [
             .library(

Sources/ConcordiumSwiftSDK/Client.swift

@@ -3,14 +3,14 @@ import GRPC
 import NIOCore
 import NIOPosix
 
-class Client {
+public class Client {
     let grpc: Concordium_V2_QueriesNIOClient
 
-    init(channel: GRPCChannel) {
+    public init(channel: GRPCChannel) {
         grpc = Concordium_V2_QueriesNIOClient(channel: channel)
     }
 
-    func getCryptographicParameters(at block: BlockIdentifier) async throws -> CryptographicParameters {
+    public func getCryptographicParameters(at block: BlockIdentifier) async throws -> CryptographicParameters {
         let req = block.toGrpcType()
         let res = try await grpc.getCryptographicParameters(req).response.get()
         return CryptographicParameters(
@@ -20,13 +20,21 @@ class Client {
         )
     }
 
-    func getNextAccountSequenceNumber(of address: AccountAddress) async throws -> NextAccountSequenceNumber {
+    public func getNextAccountSequenceNumber(of address: AccountAddress) async throws -> NextAccountSequenceNumber {
         var req = Concordium_V2_AccountAddress()
         req.value = address.bytes
         let res = try await grpc.getNextAccountSequenceNumber(req).response.get()
         return NextAccountSequenceNumber(
-            sequenceNumber: res.sequenceNumber.value,
+            sequenceNumber: res.hasSequenceNumber ? res.sequenceNumber.value : nil,
             allFinal: res.allFinal
         )
     }
+
+    public func getAccountInfo(of account: AccountIdentifier, at block: BlockIdentifier) async throws -> AccountInfo {
+        var req = Concordium_V2_AccountInfoRequest()
+        req.accountIdentifier = account.toGrpcType()
+        req.blockHash = block.toGrpcType()
+        let res = try await grpc.getAccountInfo(req).response.get()
+        return try .fromGrpcType(res)
+    }
 }

Sources/ConcordiumSwiftSDK/Extensions/Data+Helper.swift

@@ -1,12 +1,12 @@
 import Foundation
 
-enum DataError: Error {
+public enum DataError: Error {
     case invalidHexString
 }
 
 // Courtesy of ChatGPT ¯\_(ツ)_/¯
 
-extension Data {
+public extension Data {
     init(fromHexString hex: String) throws {
         let length = hex.count / 2
         var data = Data(capacity: length)
@@ -22,7 +22,7 @@ extension Data {
         self = data
     }
 
-    public func hexadecimalString() -> String {
-        return map { String(format: "%02hhx", $0) }.joined()
+    func hexadecimalString() -> String {
+        map { String(format: "%02hhx", $0) }.joined()
     }
 }