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♻️ Update to Swift5
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iOS/Linux
- Data(bytes:) to Data()
- index(of:) to firstIndex(of:)
- Refactor deprecated withUnsafeBytes() methods. UnsafePointer<T> -> UnsafeRawBufferPointer

Linux
- RunLoopMode to RunLoop.Mode
- Update Package.swift swift-tools-version to 5.0
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@usatie
usatie committed Sep 13, 2019
1 parent ab9a250 commit 471b872
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Showing 12 changed files with 75 additions and 76 deletions.
8 changes: 4 additions & 4 deletions BitcoinKit.xcodeproj/project.pbxproj
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Expand Up @@ -209,6 +209,7 @@
6E20AED72112D417008A9810 /* MurmurHashTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6E20AED62112D417008A9810 /* MurmurHashTests.swift */; };
6E797C452116C8A5003BEDFD /* OpCodeFactoryTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6E797C442116C8A5003BEDFD /* OpCodeFactoryTests.swift */; };
6EE789DB2112C1E500EAB620 /* CryptoTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6EE789DA2112C1E500EAB620 /* CryptoTests.swift */; };
A201ABB6222ACF7100DEFE13 /* BitcoinKitPrivateSwift.swift in Sources */ = {isa = PBXBuildFile; fileRef = A201ABB5222ACF7100DEFE13 /* BitcoinKitPrivateSwift.swift */; };
A20B537F211C72F9009D147A /* UInt256Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A20B537E211C72F9009D147A /* UInt256Tests.swift */; };
A246ED102118621B0000418D /* MerkleTree.swift in Sources */ = {isa = PBXBuildFile; fileRef = A246ED0F2118621B0000418D /* MerkleTree.swift */; };
A246ED12211864500000418D /* UInt256.swift in Sources */ = {isa = PBXBuildFile; fileRef = A246ED11211864500000418D /* UInt256.swift */; };
Expand All @@ -220,7 +221,6 @@
A2DE5110212AFCF200F54EA0 /* UInt256+BitcoinTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A2DE510F212AFCF200F54EA0 /* UInt256+BitcoinTests.swift */; };
A2E11231212C400A00A0A40A /* ProofOfWorkTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A2E11230212C400A00A0A40A /* ProofOfWorkTests.swift */; };
A2F06FBA2126785200DFF652 /* UInt32+Utility.swift in Sources */ = {isa = PBXBuildFile; fileRef = A2F06FB92126785200DFF652 /* UInt32+Utility.swift */; };
A201ABB6222ACF7100DEFE13 /* BitcoinKitPrivateSwift.swift in Sources */ = {isa = PBXBuildFile; fileRef = A201ABB5222ACF7100DEFE13 /* BitcoinKitPrivateSwift.swift */; };
CF432AF220F0CF9100AD4020 /* Base58Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = CF432AF120F0CF9100AD4020 /* Base58Tests.swift */; };
CF432AF420F0DFAC00AD4020 /* Bech32Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = CF432AF320F0DFAC00AD4020 /* Bech32Tests.swift */; };
CF432AF620F0ED4500AD4020 /* AddressTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = CF432AF520F0ED4500AD4020 /* AddressTests.swift */; };
Expand Down Expand Up @@ -455,6 +455,7 @@
6E20AED62112D417008A9810 /* MurmurHashTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MurmurHashTests.swift; sourceTree = "<group>"; };
6E797C442116C8A5003BEDFD /* OpCodeFactoryTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OpCodeFactoryTests.swift; sourceTree = "<group>"; };
6EE789DA2112C1E500EAB620 /* CryptoTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CryptoTests.swift; sourceTree = "<group>"; };
A201ABB5222ACF7100DEFE13 /* BitcoinKitPrivateSwift.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = BitcoinKitPrivateSwift.swift; path = Core/BitcoinKitPrivateSwift.swift; sourceTree = "<group>"; };
A20B537E211C72F9009D147A /* UInt256Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UInt256Tests.swift; sourceTree = "<group>"; };
A246ED0F2118621B0000418D /* MerkleTree.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MerkleTree.swift; sourceTree = "<group>"; };
A246ED11211864500000418D /* UInt256.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UInt256.swift; sourceTree = "<group>"; };
Expand All @@ -466,7 +467,6 @@
A2DE510F212AFCF200F54EA0 /* UInt256+BitcoinTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UInt256+BitcoinTests.swift"; sourceTree = "<group>"; };
A2E11230212C400A00A0A40A /* ProofOfWorkTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProofOfWorkTests.swift; sourceTree = "<group>"; };
A2F06FB92126785200DFF652 /* UInt32+Utility.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UInt32+Utility.swift"; sourceTree = "<group>"; };
A201ABB5222ACF7100DEFE13 /* BitcoinKitPrivateSwift.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = BitcoinKitPrivateSwift.swift; path = Core/BitcoinKitPrivateSwift.swift; sourceTree = "<group>"; };
CF432AF120F0CF9100AD4020 /* Base58Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Base58Tests.swift; sourceTree = "<group>"; };
CF432AF320F0DFAC00AD4020 /* Bech32Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Bech32Tests.swift; sourceTree = "<group>"; };
CF432AF520F0ED4500AD4020 /* AddressTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AddressTests.swift; sourceTree = "<group>"; };
Expand Down Expand Up @@ -1488,7 +1488,7 @@
SKIP_INSTALL = YES;
SWIFT_INCLUDE_PATHS = "$(SRCROOT)/Libraries";
SWIFT_OPTIMIZATION_LEVEL = "-Onone";
SWIFT_VERSION = 4.2;
SWIFT_VERSION = 5.0;
TARGETED_DEVICE_FAMILY = "1,2";
};
name = Debug;
Expand Down Expand Up @@ -1526,7 +1526,7 @@
PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
SKIP_INSTALL = YES;
SWIFT_INCLUDE_PATHS = "$(SRCROOT)/Libraries";
SWIFT_VERSION = 4.2;
SWIFT_VERSION = 5.0;
TARGETED_DEVICE_FAMILY = "1,2";
};
name = Release;
Expand Down
4 changes: 2 additions & 2 deletions Package.swift
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// swift-tools-version:4.0
// swift-tools-version:5.0
import PackageDescription

let package = Package(
Expand All @@ -25,5 +25,5 @@ let package = Package(
dependencies: ["BitcoinKit"]
)
],
swiftLanguageVersions: [4]
swiftLanguageVersions: [.v5]
)
12 changes: 6 additions & 6 deletions Sources/BitcoinKit/Core/BitcoinKitPrivateSwift.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@ class _SwiftKey {
if outputlen != 33 {
return Data()
}
return Data(bytes: serializedPubkey)
return Data(serializedPubkey)
} else {
var serializedPubkey = [UInt8](repeating: 0, count: 65)
var outputlen = 65
Expand All @@ -60,7 +60,7 @@ class _SwiftKey {
if outputlen != 65 {
return Data()
}
return Data(bytes: serializedPubkey)
return Data(serializedPubkey)
}
}
}
Expand Down Expand Up @@ -110,7 +110,7 @@ class _HDKey {
if secp256k1_ec_privkey_tweak_add(ctx, &privateKeyBytes, &derivedPrivateKeyBytes) == 0 {
return nil
}
result = Data(bytes: privateKeyBytes)
result = Data(privateKeyBytes)
} else {
guard let ctx = secp256k1_context_create(UInt32(SECP256K1_CONTEXT_VERIFY)) else {
return nil
Expand All @@ -129,10 +129,10 @@ class _HDKey {
if secp256k1_ec_pubkey_serialize(ctx, &compressedPublicKeyBytes, &compressedPublicKeyBytesLen, &secpPubkey, UInt32(SECP256K1_EC_COMPRESSED)) == 0 {
return nil
}
result = Data(bytes: compressedPublicKeyBytes)
result = Data(compressedPublicKeyBytes)
}
let fingerPrint: UInt32 = _Hash.sha256ripemd160(publicKey).withUnsafeBytes { $0.pointee }
return _HDKey(privateKey: result, publicKey: result, chainCode: Data(bytes: derivedChainCode), depth: self.depth + 1, fingerprint: fingerPrint, childIndex: childIndex)
let fingerPrint: UInt32 = _Hash.sha256ripemd160(publicKey).to(type: UInt32.self)
return _HDKey(privateKey: result, publicKey: result, chainCode: Data(derivedChainCode), depth: self.depth + 1, fingerprint: fingerPrint, childIndex: childIndex)
}
}
#endif
32 changes: 16 additions & 16 deletions Sources/BitcoinKit/Core/BlockStore.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -291,10 +291,10 @@ public class SQLiteBlockStore: BlockStore {
public func addBlock(_ block: BlockMessage, hash: Data) throws {
let stmt = statements["addBlock"]

try execute { hash.withUnsafeBytes { sqlite3_bind_blob(stmt, 1, $0, Int32(hash.count), SQLITE_TRANSIENT) } }
try execute { hash.withUnsafeBytes { sqlite3_bind_blob(stmt, 1, $0.baseAddress.unsafelyUnwrapped, Int32(hash.count), SQLITE_TRANSIENT) } }
try execute { sqlite3_bind_int64(stmt, 2, sqlite3_int64(bitPattern: UInt64(truncatingIfNeeded: block.version))) }
try execute { block.prevBlock.withUnsafeBytes { sqlite3_bind_blob(stmt, 3, $0, Int32(block.prevBlock.count), SQLITE_TRANSIENT) } }
try execute { block.merkleRoot.withUnsafeBytes { sqlite3_bind_blob(stmt, 4, $0, Int32(block.merkleRoot.count), SQLITE_TRANSIENT) } }
try execute { block.prevBlock.withUnsafeBytes { sqlite3_bind_blob(stmt, 3, $0.baseAddress.unsafelyUnwrapped, Int32(block.prevBlock.count), SQLITE_TRANSIENT) } }
try execute { block.merkleRoot.withUnsafeBytes { sqlite3_bind_blob(stmt, 4, $0.baseAddress.unsafelyUnwrapped, Int32(block.merkleRoot.count), SQLITE_TRANSIENT) } }
try execute { sqlite3_bind_int64(stmt, 5, sqlite3_int64(bitPattern: UInt64(truncatingIfNeeded: block.timestamp))) }
try execute { sqlite3_bind_int64(stmt, 6, sqlite3_int64(bitPattern: UInt64(truncatingIfNeeded: block.bits))) }
try execute { sqlite3_bind_int64(stmt, 7, sqlite3_int64(bitPattern: UInt64(truncatingIfNeeded: block.nonce))) }
Expand All @@ -307,20 +307,20 @@ public class SQLiteBlockStore: BlockStore {
public func addMerkleBlock(_ merkleBlock: MerkleBlockMessage, hash: Data) throws {
let stmt = statements["addMerkleBlock"]

try execute { hash.withUnsafeBytes { sqlite3_bind_blob(stmt, 1, $0, Int32(hash.count), SQLITE_TRANSIENT) } }
try execute { hash.withUnsafeBytes { sqlite3_bind_blob(stmt, 1, $0.baseAddress.unsafelyUnwrapped, Int32(hash.count), SQLITE_TRANSIENT) } }
try execute { sqlite3_bind_int64(stmt, 2, sqlite3_int64(bitPattern: UInt64(truncatingIfNeeded: merkleBlock.version))) }
try execute { merkleBlock.prevBlock.withUnsafeBytes { sqlite3_bind_blob(stmt, 3, $0, Int32(merkleBlock.prevBlock.count), SQLITE_TRANSIENT) } }
try execute { merkleBlock.merkleRoot.withUnsafeBytes { sqlite3_bind_blob(stmt, 4, $0, Int32(merkleBlock.merkleRoot.count), SQLITE_TRANSIENT) } }
try execute { merkleBlock.prevBlock.withUnsafeBytes { sqlite3_bind_blob(stmt, 3, $0.baseAddress.unsafelyUnwrapped, Int32(merkleBlock.prevBlock.count), SQLITE_TRANSIENT) } }
try execute { merkleBlock.merkleRoot.withUnsafeBytes { sqlite3_bind_blob(stmt, 4, $0.baseAddress.unsafelyUnwrapped, Int32(merkleBlock.merkleRoot.count), SQLITE_TRANSIENT) } }
try execute { sqlite3_bind_int64(stmt, 5, sqlite3_int64(bitPattern: UInt64(truncatingIfNeeded: merkleBlock.timestamp))) }
try execute { sqlite3_bind_int64(stmt, 6, sqlite3_int64(bitPattern: UInt64(truncatingIfNeeded: merkleBlock.bits))) }
try execute { sqlite3_bind_int64(stmt, 7, sqlite3_int64(bitPattern: UInt64(truncatingIfNeeded: merkleBlock.nonce))) }
try execute { sqlite3_bind_int64(stmt, 8, sqlite3_int64(bitPattern: UInt64(truncatingIfNeeded: merkleBlock.totalTransactions))) }
try execute { sqlite3_bind_int64(stmt, 9, sqlite3_int64(bitPattern: merkleBlock.numberOfHashes.underlyingValue)) }
let hashes = Data(merkleBlock.hashes.flatMap { $0 })
try execute { hashes.withUnsafeBytes { sqlite3_bind_blob(stmt, 10, $0, Int32(hashes.count), SQLITE_TRANSIENT) } }
try execute { hashes.withUnsafeBytes { sqlite3_bind_blob(stmt, 10, $0.baseAddress.unsafelyUnwrapped, Int32(hashes.count), SQLITE_TRANSIENT) } }
try execute { sqlite3_bind_int64(stmt, 11, sqlite3_int64(bitPattern: merkleBlock.numberOfFlags.underlyingValue)) }
let flags = Data(merkleBlock.flags)
try execute { flags.withUnsafeBytes { sqlite3_bind_blob(stmt, 12, $0, Int32(flags.count), SQLITE_TRANSIENT) } }
try execute { flags.withUnsafeBytes { sqlite3_bind_blob(stmt, 12, $0.baseAddress.unsafelyUnwrapped, Int32(flags.count), SQLITE_TRANSIENT) } }

try executeUpdate { sqlite3_step(stmt) }
try execute { sqlite3_reset(stmt) }
Expand All @@ -329,7 +329,7 @@ public class SQLiteBlockStore: BlockStore {
public func addTransaction(_ transaction: Transaction, hash: Data) throws {
let stmt = statements["addTransaction"]

try execute { hash.withUnsafeBytes { sqlite3_bind_blob(stmt, 1, $0, Int32(hash.count), SQLITE_TRANSIENT) } }
try execute { hash.withUnsafeBytes { sqlite3_bind_blob(stmt, 1, $0.baseAddress.unsafelyUnwrapped, Int32(hash.count), SQLITE_TRANSIENT) } }
try execute { sqlite3_bind_int64(stmt, 2, sqlite3_int64(bitPattern: UInt64(truncatingIfNeeded: transaction.version))) }
try execute { sqlite3_bind_int(stmt, 3, 0) } // Not supported 'flag' currently
try execute { sqlite3_bind_int64(stmt, 4, sqlite3_int64(bitPattern: transaction.txInCount.underlyingValue)) }
Expand All @@ -353,10 +353,10 @@ public class SQLiteBlockStore: BlockStore {
let stmt = statements["addTransactionInput"]

try execute { sqlite3_bind_int64(stmt, 1, sqlite3_int64(bitPattern: input.scriptLength.underlyingValue)) }
try execute { input.signatureScript.withUnsafeBytes { sqlite3_bind_blob(stmt, 2, $0, Int32(input.signatureScript.count), SQLITE_TRANSIENT) } }
try execute { input.signatureScript.withUnsafeBytes { sqlite3_bind_blob(stmt, 2, $0.baseAddress.unsafelyUnwrapped, Int32(input.signatureScript.count), SQLITE_TRANSIENT) } }
try execute { sqlite3_bind_int64(stmt, 3, sqlite3_int64(bitPattern: UInt64(truncatingIfNeeded: input.sequence))) }
try execute { txId.withUnsafeBytes { sqlite3_bind_blob(stmt, 4, $0, Int32(txId.count), SQLITE_TRANSIENT) } }
try execute { input.previousOutput.hash.withUnsafeBytes { sqlite3_bind_blob(stmt, 5, $0, Int32(input.previousOutput.hash.count), SQLITE_TRANSIENT) } }
try execute { txId.withUnsafeBytes { sqlite3_bind_blob(stmt, 4, $0.baseAddress.unsafelyUnwrapped, Int32(txId.count), SQLITE_TRANSIENT) } }
try execute { input.previousOutput.hash.withUnsafeBytes { sqlite3_bind_blob(stmt, 5, $0.baseAddress.unsafelyUnwrapped, Int32(input.previousOutput.hash.count), SQLITE_TRANSIENT) } }

try executeUpdate { sqlite3_step(stmt) }
try execute { sqlite3_reset(stmt) }
Expand All @@ -368,8 +368,8 @@ public class SQLiteBlockStore: BlockStore {
try execute { sqlite3_bind_int64(stmt, 1, sqlite3_int64(bitPattern: UInt64(truncatingIfNeeded: index))) }
try execute { sqlite3_bind_int64(stmt, 2, sqlite3_int64(bitPattern: UInt64(truncatingIfNeeded: output.value))) }
try execute { sqlite3_bind_int64(stmt, 3, sqlite3_int64(bitPattern: output.scriptLength.underlyingValue)) }
try execute { output.lockingScript.withUnsafeBytes { sqlite3_bind_blob(stmt, 4, $0, Int32(output.lockingScript.count), SQLITE_TRANSIENT) } }
try execute { txId.withUnsafeBytes { sqlite3_bind_blob(stmt, 5, $0, Int32(txId.count), SQLITE_TRANSIENT) } }
try execute { output.lockingScript.withUnsafeBytes { sqlite3_bind_blob(stmt, 4, $0.baseAddress.unsafelyUnwrapped, Int32(output.lockingScript.count), SQLITE_TRANSIENT) } }
try execute { txId.withUnsafeBytes { sqlite3_bind_blob(stmt, 5, $0.baseAddress.unsafelyUnwrapped, Int32(txId.count), SQLITE_TRANSIENT) } }
if Script.isPublicKeyHashOut(output.lockingScript) {
let pubKeyHash = Script.getPublicKeyHash(from: output.lockingScript)
let address = publicKeyHashToAddress(Data([network.pubkeyhash]) + pubKeyHash)
Expand All @@ -382,14 +382,14 @@ public class SQLiteBlockStore: BlockStore {

private func deleteTransactionInput(txId: Data) throws {
let stmt = statements["deleteTransactionInput"]
try execute { txId.withUnsafeBytes { sqlite3_bind_blob(stmt, 1, $0, Int32(txId.count), SQLITE_TRANSIENT) } }
try execute { txId.withUnsafeBytes { sqlite3_bind_blob(stmt, 1, $0.baseAddress.unsafelyUnwrapped, Int32(txId.count), SQLITE_TRANSIENT) } }
try executeUpdate { sqlite3_step(stmt) }
try execute { sqlite3_reset(stmt) }
}

private func deleteTransactionOutput(txId: Data) throws {
let stmt = statements["deleteTransactionOutput"]
try execute { txId.withUnsafeBytes { sqlite3_bind_blob(stmt, 1, $0, Int32(txId.count), SQLITE_TRANSIENT) } }
try execute { txId.withUnsafeBytes { sqlite3_bind_blob(stmt, 1, $0.baseAddress.unsafelyUnwrapped, Int32(txId.count), SQLITE_TRANSIENT) } }
try executeUpdate { sqlite3_step(stmt) }
try execute { sqlite3_reset(stmt) }
}
Expand Down
2 changes: 1 addition & 1 deletion Sources/BitcoinKit/Core/Helpers.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@ func pton(_ address: String) -> Data {
inet_pton(AF_INET6, address, UnsafeMutablePointer($0))
}
var buffer = Data(count: 16)
_ = buffer.withUnsafeMutableBytes { memcpy($0, &addr, 16) }
_ = buffer.withUnsafeMutableBytes { memcpy($0.baseAddress.unsafelyUnwrapped, &addr, 16) }
return buffer
}

Expand Down
11 changes: 5 additions & 6 deletions Sources/BitcoinKit/Core/Keys/Encoding.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -134,7 +134,7 @@ extension Encoding {
let size = sizeFromBase(size: string.lengthOfBytes(using: .utf8) - zerosCount)
var decodedBytes: [UInt8] = Array(repeating: 0, count: size)
for c in string {
guard let baseIndex: Int = baseAlphabets.index(of: c)?.utf16Offset(in: baseAlphabets) else { return nil }
guard let baseIndex: Int = baseAlphabets.firstIndex(of: c)?.utf16Offset(in: baseAlphabets) else { return nil }
var carry = baseIndex
var i = 0
for j in (0...decodedBytes.count - 1).reversed() where carry != 0 || i < length {
Expand Down Expand Up @@ -195,15 +195,14 @@ public struct Bech32 {
var decodedIn5bit: [UInt8] = [UInt8]()
for c in base32.lowercased() {
// We can't have characters other than base32 alphabets.
print(base32Alphabets)
guard let baseIndex = base32Alphabets.index(of: c)?.utf16Offset(in: base32Alphabets) else {
guard let baseIndex = base32Alphabets.firstIndex(of: c)?.utf16Offset(in: base32Alphabets) else {
return nil
}
decodedIn5bit.append(UInt8(baseIndex))
}

// We can't have invalid checksum
let payload = Data(bytes: decodedIn5bit)
let payload = Data(decodedIn5bit)
guard verifyChecksum(prefix: prefix, payload: payload) else {
return nil
}
Expand Down Expand Up @@ -272,7 +271,7 @@ public struct Bech32 {
if pad && bits > 0 {
converted.append(lastBits)
}
return Data(bytes: converted)
return Data(converted)
}

internal static func convertFrom5bit(data: Data) throws -> Data {
Expand All @@ -298,7 +297,7 @@ public struct Bech32 {
throw DecodeError.invalidBits
}

return Data(bytes: converted)
return Data(converted)
}

private enum DecodeError: Error {
Expand Down
2 changes: 1 addition & 1 deletion Sources/BitcoinKit/Core/Keys/PrivateKey.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,7 @@ public struct PrivateKey {
var key = Data(count: count)
var status: Int32 = 0
repeat {
status = key.withUnsafeMutableBytes { SecRandomCopyBytes(kSecRandomDefault, count, $0) }
status = key.withUnsafeMutableBytes { SecRandomCopyBytes(kSecRandomDefault, count, $0.baseAddress.unsafelyUnwrapped) }
} while (status != 0 || !check([UInt8](key)))

self.data = key
Expand Down
2 changes: 1 addition & 1 deletion Sources/BitcoinKit/Core/Mnemonic.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,7 @@ public struct Mnemonic {
public static func generate(strength: Strength = .default, language: Language = .english) throws -> [String] {
let byteCount = strength.rawValue / 8
var bytes = Data(count: byteCount)
let status = bytes.withUnsafeMutableBytes { SecRandomCopyBytes(kSecRandomDefault, byteCount, $0) }
let status = bytes.withUnsafeMutableBytes { SecRandomCopyBytes(kSecRandomDefault, byteCount, $0.baseAddress.unsafelyUnwrapped) }
guard status == errSecSuccess else { throw MnemonicError.randomBytesError }
return generate(entropy: bytes, language: language)
}
Expand Down
9 changes: 4 additions & 5 deletions Sources/BitcoinKit/Core/Serialization.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -91,11 +91,10 @@ extension Data {
}

func to<T>(type: T.Type) -> T {
var data = self
while data.count < MemoryLayout<T>.size {
data.append(0)
}
return data.withUnsafeBytes { $0.pointee }
var data = Data(count: MemoryLayout<T>.size)
// Doing this for aligning memory layout
_ = data.withUnsafeMutableBytes { self.copyBytes(to: $0) }
return data.withUnsafeBytes { $0.load(as: T.self) }
}

func to(type: String.Type) -> String {
Expand Down
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