365 lines
17 KiB
Swift
365 lines
17 KiB
Swift
import Foundation
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import os
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/// On-device verification against vectors generated from the reference
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/// implementation (xrpl.js + ripple-keypairs + ripple-binary-codec). Runs only
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/// when the app is launched with `-koinsSelfTest`.
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enum SelfTest {
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private static let log = OSLog(subsystem: "com.koins.app", category: "selftest")
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/// Writes to both stdout and the unified log so results are visible however
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/// the app was launched.
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private static var report: [String] = []
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private static func emit(_ line: String) {
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print(line)
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os_log("%{public}@", log: log, type: .default, line)
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report.append(line)
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}
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/// Writes the collected lines into the app container so the result can be
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/// read back off the device (console output is not always reachable).
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private static func flushReport() {
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guard let documents = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first else { return }
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let url = documents.appendingPathComponent("koins-selftest.txt")
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try? report.joined(separator: "\n").write(to: url, atomically: true, encoding: .utf8)
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}
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static func runIfRequested() {
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if ProcessInfo.processInfo.arguments.contains("-koinsSelfTest") {
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emit("KOINS_SELFTEST begin")
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run()
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emit("KOINS_SELFTEST end")
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}
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if ProcessInfo.processInfo.arguments.contains("-koinsSelfTestNetwork") {
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runNetwork()
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}
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}
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/// End-to-end check of the live network paths (XRP RPC + native Monero
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/// wallet). Triggered with `-koinsSelfTestNetwork`; cleans up after itself.
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static func runNetwork() {
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// Detached so the test does not inherit the main actor: the UI thread must
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// stay free, otherwise the launch-time call would deadlock.
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Task.detached(priority: .userInitiated) {
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emit("KOINS_NET begin")
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// The test creates temporary wallets, so snapshot the real ones and put
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// them back afterwards instead of wiping them.
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let backup = (xrp: WalletStore.wallet(.xrp),
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xmr: WalletStore.wallet(.xmr),
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xrpSecret: WalletStore.secret(.xrp),
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xmrSecret: WalletStore.secret(.xmr))
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func restoreWallets() {
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if let xrp = backup.xrp { WalletStore.saveWallet(xrp, chain: .xrp) } else { WalletStore.removeWallet(.xrp) }
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if let secret = backup.xrpSecret { WalletStore.saveSecret(secret, chain: .xrp) }
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if let xmr = backup.xmr { WalletStore.saveWallet(xmr, chain: .xmr) } else { WalletStore.removeWallet(.xmr) }
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if let secret = backup.xmrSecret { WalletStore.saveSecret(secret, chain: .xmr) }
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emit("KOINS_NET restored saved wallets")
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}
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do {
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let (record, phrase) = try XRPWalletService.shared.createWallet(name: "koins-net-selftest")
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emit("KOINS_NET xrp address \(record.address) phraseWords \(phrase.split(separator: " ").count)")
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let balance = try await XRPWalletService.shared.balance(address: record.address)
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emit("KOINS_NET xrp funded=\(balance.funded) balance=\(balance.total)")
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let history = try await XRPWalletService.shared.transactions(address: record.address)
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emit("KOINS_NET xrp transactions=\(history.count)")
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// A known funded account, to exercise the funded-balance path.
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for reference in ["rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "rHR6xtDW7BxeQN8VB8R9HzXzyMeS42n7C"] {
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let reference = try await XRPWalletService.shared.balance(address: reference)
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emit("KOINS_NET xrp reference funded=\(reference.funded) balance=\(reference.total)")
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let referenceHistory = try await XRPWalletService.shared.transactions(address: "rHR6xtDW7BxeQN8VB8R9HzXzyMeS42n7C")
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emit("KOINS_NET xrp reference transactions=\(referenceHistory.count)")
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}
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} catch {
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emit("KOINS_NET xrp FAIL \(error)")
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}
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do {
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let created = try await MoneroService.shared.createWallet(name: "koins-net-selftest")
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let words = created.mnemonic.split(separator: " ").count
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emit("KOINS_NET xmr address \(created.address) mnemonicWords \(words)")
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let started = try await MoneroService.shared.startSync()
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emit("KOINS_NET xmr startedSync \(started)")
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for attempt in 1...6 {
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try? await Task.sleep(nanoseconds: 5_000_000_000)
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let status = try await MoneroService.shared.syncStatus()
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emit("KOINS_NET xmr status \(attempt) height=\(status.height) daemon=\(status.daemonHeight) connected=\(status.connected) syncing=\(status.syncing)")
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}
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let balance = try await MoneroService.shared.balance()
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emit("KOINS_NET xmr balance \(balance.total) unlocked \(balance.unlocked)")
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let accounts = try await MoneroService.shared.accounts()
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emit("KOINS_NET xmr accounts \(accounts.count) subaddresses \(accounts.first?.subaddresses.count ?? 0)")
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let account = try await MoneroService.shared.createAccount(label: "Savings")
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emit("KOINS_NET xmr new account index \(account.index) address \(account.address.prefix(12))")
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let subaddress = try await MoneroService.shared.createSubaddress(accountIndex: 0, label: "From Alice")
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emit("KOINS_NET xmr new subaddress index \(subaddress.index) address \(subaddress.address.prefix(12))")
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let reloaded = try await MoneroService.shared.accounts()
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emit("KOINS_NET xmr accounts after \(reloaded.count) subaddresses \(reloaded.first?.subaddresses.count ?? 0)")
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await MoneroService.shared.stopSync()
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await MoneroService.shared.removeWallet(name: "koins-net-selftest")
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} catch {
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emit("KOINS_NET xmr FAIL \(error)")
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}
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restoreWallets()
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emit("KOINS_NET end")
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flushReport()
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}
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}
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static func run() {
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var failures = 0
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func expect(_ name: String, _ actual: String, _ wanted: String) {
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let ok = actual.lowercased() == wanted.lowercased()
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if !ok { failures += 1 }
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emit("KOINS_SELFTEST \(name): \(ok ? "PASS" : "FAIL") \(actual)")
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}
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func expectTrue(_ name: String, _ value: Bool) {
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if !value { failures += 1 }
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emit("KOINS_SELFTEST \(name): \(value ? "PASS" : "FAIL")")
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}
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expect("ripemd160", Hex.encode(RIPEMD160.hash(Array("abc".utf8))),
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"8eb208f7e05d987a9b044a8e98c6b087f15a0bfc")
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// ed25519 vector
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let edSeed = "sEdSPx8CLbFUna3DJdvJ74aQPLdemqu"
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let edAddress = "rEhh6f9rj5UUBhFzGGaxS5zYU2CCqKFXBC"
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let edPublicKey = "EDF9096653463E3A0B79A67E69D9E66AB83D93D4E867335ADE5DAFE8467F4F1734"
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if let keypair = try? XRPKey.keypair(fromSeed: edSeed) {
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expect("ed25519 pubkey", Hex.encode(keypair.publicKey), edPublicKey)
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expect("ed25519 address", keypair.address, edAddress)
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} else {
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failures += 1
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emit("KOINS_SELFTEST ed25519: FAIL keypair threw")
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}
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// secp256k1 vector: exercises the OpenSSL-backed derivation on device.
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let secpSeed = "spFbtYoPd7Hg7AD9XZn7CBwUKC5Qe"
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let secpPublicKey = "0322DC9BB14903F71186BC46B0107D55A069D23CD97BBD205491A992EC68FA0ABE"
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let secpAddress = "rpsRYc8DbXzfVN32w3hZjUtyuF1K89hu47"
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do {
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let keypair = try XRPKey.keypair(fromSeed: secpSeed)
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expect("secp256k1 algorithm", keypair.algorithm.rawValue, "secp256k1")
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expect("secp256k1 pubkey", Hex.encode(keypair.publicKey), secpPublicKey)
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expect("secp256k1 address", keypair.address, secpAddress)
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} catch {
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failures += 1
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emit("KOINS_SELFTEST secp256k1: FAIL \(error)")
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}
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// Serialization + hashing reference vector.
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let signingHex = "53545800120000220000000024000030392E00000309201B05E69F3B61400000000016E36068400000000000000C7321EDF9096653463E3A0B79A67E69D9E66AB83D93D4E867335ADE5DAFE8467F4F173481149A26172134BFDA9708A73305AF2776A26DB7B4F5831492891F44F454D156327AA24F4C8BB72540E31BF1"
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let referenceSignature = "F560672EA3103D2E43179302CD66ACF563A4EDFBA90ADE24E378B743135FD989EE132FA4B703021C2DD1979E770A6CEBC99556EA330AF9E6E7186673F837CB0D"
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let expectedBlob = "120000220000000024000030392E00000309201B05E69F3B61400000000016E36068400000000000000C7321EDF9096653463E3A0B79A67E69D9E66AB83D93D4E867335ADE5DAFE8467F4F17347440F560672EA3103D2E43179302CD66ACF563A4EDFBA90ADE24E378B743135FD989EE132FA4B703021C2DD1979E770A6CEBC99556EA330AF9E6E7186673F837CB0D81149A26172134BFDA9708A73305AF2776A26DB7B4F5831492891F44F454D156327AA24F4C8BB72540E31BF1"
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let expectedHash = "F853B5391CD6317EA370830EEA3C047AC8D21E9FA00E4116D94C48E360B0434F"
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var payment = XRPPayment(account: edAddress,
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destination: "rNMovRR3WPbFLVaSbETCCR71XsqyxhJ9P6",
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amountDrops: 1_500_000,
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feeDrops: 12,
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sequence: 12345,
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lastLedgerSequence: 99000123,
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destinationTag: 777,
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signingPublicKey: Hex.decode(edPublicKey) ?? [],
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signature: Hex.decode(referenceSignature))
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if let payload = try? payment.signingPayload() {
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expect("signing payload", Hex.encode(payload), signingHex)
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} else {
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failures += 1
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}
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if let blob = try? payment.txBlob() {
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expect("tx blob", Hex.encode(blob), expectedBlob)
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if let hash = try? payment.transactionHash() {
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expect("tx hash", Hex.encode(hash), expectedHash)
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} else {
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failures += 1
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}
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} else {
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failures += 1
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}
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// BIP-39 / BIP-32 (m/44'/144'/0'/0/0): the recovery phrase used for new XRP
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// wallets. Vectors come from @scure/bip39 + @scure/bip32 + ripple-keypairs.
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let zeroMnemonic = "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about"
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expect("bip39 encode", BIP39.mnemonic(from: [UInt8](repeating: 0, count: 16)), zeroMnemonic)
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expect("bip39 entropy", Hex.encode(BIP39.entropy(from: zeroMnemonic) ?? []), String(repeating: "00", count: 16))
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expect("bip39 rejects bad checksum",
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BIP39.entropy(from: "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon") == nil ? "rejected" : "accepted",
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"rejected")
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// BIP-32 intermediate values, to isolate derivation problems.
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if let master = BIP32.masterKey(fromSeed: BIP39.seed(from: zeroMnemonic)) {
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expect("bip32 master key", Hex.encode(master.privateKey),
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"1837c1be8e2995ec11cda2b066151be2cfb48adf9e47b151d46adab3a21cdf67")
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expect("bip32 master chain code", Hex.encode(master.chainCode),
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"7923408dadd3c7b56eed15567707ae5e5dca089de972e07f3b860450e2a3b70e")
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let H = BIP32.hardenedBit
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for (level, path, expected) in [
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(1, [H | 44], "cd46049fb82a4fccbd967c5234e61152f4df87d01d1ef833420814c67ee4b7ea"),
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(2, [H | 44, H | 144], "a12250f1f38fb41b62f0f1a4ec9d3555d24788843cb30e6d98a777fe540adc1d"),
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(3, [H | 44, H | 144, H | 0], "54bac451906ecd52648a49126a2606c9177761f14d31dda079c0f768ac3501fd"),
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(4, [H | 44, H | 144, H | 0, 0], "e582ce1724e93eebe3f38f1d42c01620b66d136946fec450dfe71b62e65de54f"),
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(5, BIP32.xrpPath, "90802a50aa84efb6cdb225f17c27616ea94048c179142fecf03f4712a07ea7a4"),
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] {
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if let child = BIP32.derive(path, from: master) {
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expect("bip32 level \(level)", Hex.encode(child.privateKey), expected)
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} else {
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failures += 1
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emit("KOINS_SELFTEST bip32 level \(level): FAIL derivation returned nil")
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}
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}
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} else {
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failures += 1
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emit("KOINS_SELFTEST bip32 master: FAIL")
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}
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let mnemonicCases: [(String, String, String)] = [
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(zeroMnemonic,
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"031d68bc1a142e6766b2bdfb006ccfe135ef2e0e2e94abb5cf5c9ab6104776fbae",
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"rHsMGQEkVNJmpGWs8XUBoTBiAAbwxZN5v3"),
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("legal winner thank year wave sausage worth useful legal winner thank yellow",
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"0283e0926eb0ab7bb8f5c0b5637d9e2526bdc398763af79cd904f013178961692d",
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"rpaLPza5oxhJ7V8nFDwPm9F7kmZ16uc8do"),
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]
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for (position, vector) in mnemonicCases.enumerated() {
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do {
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let keypair = try XRPKey.keypair(fromMnemonic: vector.0)
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expect("bip44 pubkey #\(position)", Hex.encode(keypair.publicKey), vector.1)
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expect("bip44 address #\(position)", keypair.address, vector.2)
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} catch {
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failures += 1
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emit("KOINS_SELFTEST bip44 #\(position): FAIL \(error)")
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}
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}
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// QR round trip: generate an image, read it back, parse the payment URI.
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let xmrAddress = "46cRPeU77sBVGSVXPyCjvJUdC9AjqvETWb6giUGskdnWN8ZifindmrH7mcztKU52iKgvWXY4dyPujg9LYUY1Q7dvDiwHNCE"
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let xrpAddress = "rHR6xtDW7BxeQN8VB8R9HzXzyMeS42n7C"
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func roundTrip(_ name: String, _ text: String, checks: [(String, String)]) {
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guard let image = QRCodeImage.make(text) else {
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failures += 1
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emit("KOINS_SELFTEST \(name): FAIL could not render QR image")
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return
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}
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guard let decoded = QRCodeReader.decodeText(in: image) else {
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failures += 1
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emit("KOINS_SELFTEST \(name): FAIL vision could not read the QR image (\(Int(image.size.width))px)")
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return
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}
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guard let payload = QRCodeReader.parse(decoded) else {
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failures += 1
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emit("KOINS_SELFTEST \(name): FAIL parse of '\(decoded)'")
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return
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}
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for (label, expected) in checks {
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let actual: String
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switch label {
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case "address": actual = payload.address
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case "amount": actual = payload.amount ?? ""
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case "tag": actual = payload.tag.map(String.init) ?? ""
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case "paymentId": actual = payload.paymentId ?? ""
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case "memo": actual = payload.memo ?? ""
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default: actual = ""
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}
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expect("\(name) \(label)", actual, expected)
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}
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}
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roundTrip("qr monero uri",
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"monero:\(xmrAddress)?tx_amount=1.5&tx_payment_id=abc123&tx_description=Rent",
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checks: [("address", xmrAddress), ("amount", "1.5"), ("paymentId", "abc123"), ("memo", "Rent")])
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roundTrip("qr monero plain", xmrAddress, checks: [("address", xmrAddress)])
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roundTrip("qr xrp uri",
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"ripple:\(xrpAddress)?amount=12.5&dt=99",
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checks: [("address", xrpAddress), ("amount", "12.5"), ("tag", "99")])
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roundTrip("qr xrp plain", xrpAddress, checks: [("address", xrpAddress)])
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expectTrue("qr monero detected", AddressFormat.isMonero(xmrAddress))
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expectTrue("qr xrp detected", AddressFormat.isXRP(xrpAddress))
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expectTrue("qr rejects junk", QRCodeReader.parse("hello world")?.address == "hello world")
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expectTrue("qr not monero", !AddressFormat.isMonero(xrpAddress))
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expectTrue("qr not xrp", !AddressFormat.isXRP(xmrAddress))
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emit("biometrics available=\(Biometrics.isAvailable) label=\(Biometrics.label)")
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// secp256k1 signing must produce a low-S DER signature.
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if let keypair = try? XRPKey.keypair(fromSeed: secpSeed),
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let message = Hex.decode(signingHex),
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let signature = try? XRPKey.sign(message: message, keypair: keypair) {
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let isDer = signature.count > 8 && signature[0] == 0x30
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expect("secp256k1 signature is DER", isDer ? "yes" : "no", "yes")
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if let order = BigNumber.fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141"),
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let half = order.dividedByTwo(),
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let s = DER.signatureScalar(signature) {
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expect("secp256k1 signature is low-S", s.lessThanOrEqual(half) ? "yes" : "no", "yes")
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}
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emit("KOINS_SELFTEST secp256k1 signature len: \(signature.count)")
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} else {
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failures += 1
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emit("KOINS_SELFTEST secp256k1 sign: FAIL")
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}
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emit("KOINS_SELFTEST summary: \(failures == 0 ? "ALL PASS" : "\(failures) FAILURE(S)")")
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flushReport()
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}
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}
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/// Minimal big-endian integer helper used only for the low-S check.
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struct BigNumber {
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let bytes: [UInt8]
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static func fromHex(_ hex: String) -> BigNumber? {
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Hex.decode(hex).map { BigNumber(bytes: $0) }
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}
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func dividedByTwo() -> BigNumber? {
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var result: [UInt8] = []
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var carry: UInt16 = 0
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for byte in bytes {
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let value = carry * 256 + UInt16(byte)
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result.append(UInt8(value / 2))
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carry = value % 2
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}
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return BigNumber(bytes: result)
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}
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func lessThanOrEqual(_ other: BigNumber) -> Bool {
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let left = trimmed()
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let right = other.trimmed()
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if left.count != right.count { return left.count < right.count }
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for (a, b) in zip(left, right) where a != b { return a < b }
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return true
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}
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private func trimmed() -> [UInt8] {
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var value = bytes
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while value.first == 0 && value.count > 1 { value.removeFirst() }
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return value
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}
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}
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enum DER {
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/// Extracts the `s` component from a DER-encoded ECDSA signature.
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static func signatureScalar(_ der: [UInt8]) -> BigNumber? {
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guard der.count > 8, der[0] == 0x30 else { return nil }
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var index = 2
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guard der[index] == 0x02 else { return nil }
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let rLength = Int(der[index + 1])
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index += 2 + rLength
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guard index + 2 <= der.count, der[index] == 0x02 else { return nil }
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let sLength = Int(der[index + 1])
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let start = index + 2
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guard start + sLength <= der.count else { return nil }
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return BigNumber(bytes: Array(der[start..<(start + sLength)]))
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}
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} |