Replace the JavaScript mobile app with a native Swift iOS wallet

2026-09-19 13:33:11 +08:00
parent d80b58b704
commit 3e1a39d4d7
79 changed files with 25482 additions and 4023 deletions
@@ -0,0 +1,68 @@
+import CryptoKit
+import Foundation
+
+enum XRPError: LocalizedError {
+  case invalidBase58
+  case invalidAddress
+  case invalidSeed
+  case unsupportedSeed
+  case rpc(String)
+  case network(String)
+
+  var errorDescription: String? {
+    switch self {
+    case .invalidBase58: return "Invalid Base58 text"
+    case .invalidAddress: return "Invalid XRP address"
+    case .invalidSeed: return "Check the recovery phrase or secret"
+    case .unsupportedSeed: return "Unsupported XRP secret"
+    case .rpc(let message): return message
+    case .network(let message): return message
+    }
+  }
+}
+
+enum XRPHash {
+  static func sha256(_ bytes: [UInt8]) -> [UInt8] {
+    Array(SHA256.hash(data: Data(bytes)))
+  }
+
+  static func sha512(_ bytes: [UInt8]) -> [UInt8] {
+    Array(SHA512.hash(data: Data(bytes)))
+  }
+
+  /// First 32 bytes of SHA-512, used by the XRP Ledger everywhere.
+  static func sha512Half(_ bytes: [UInt8]) -> [UInt8] {
+    Array(sha512(bytes).prefix(32))
+  }
+
+  static func ripemd160(_ bytes: [UInt8]) -> [UInt8] {
+    RIPEMD160.hash(bytes)
+  }
+
+  /// Base58Check double-SHA-256 checksum.
+  static func checksum(_ bytes: [UInt8]) -> [UInt8] {
+    Array(sha256(sha256(bytes)).prefix(4))
+  }
+}
+
+enum Hex {
+  static func encode(_ bytes: [UInt8]) -> String {
+    bytes.map { String(format: "%02x", $0) }.joined()
+  }
+
+  static func decode(_ string: String) -> [UInt8]? {
+    var text = string.trimmingCharacters(in: .whitespacesAndNewlines)
+    if text.hasPrefix("0x") || text.hasPrefix("0X") { text = String(text.dropFirst(2)) }
+    guard text.count % 2 == 0 else { return nil }
+    var bytes: [UInt8] = []
+    bytes.reserveCapacity(text.count / 2)
+    var index = text.startIndex
+    while index < text.endIndex {
+      let next = text.index(index, offsetBy: 2)
+      guard let byte = UInt8(text[index..<next], radix: 16) else { return nil }
+      bytes.append(byte)
+      index = next
+    }
+    return bytes
+  }
+}