Remove cocoapod dependencies

Package.resolved

@@ -1,14 +1,5 @@
 {
   "pins" : [
-    {
-      "identity" : "bigint",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/attaswift/BigInt",
-      "state" : {
-        "revision" : "793a7fac0bfc318e85994bf6900652e827aef33e",
-        "version" : "5.4.1"
-      }
-    },
     {
       "identity" : "connect-swift",
       "kind" : "remoteSourceControl",
@@ -19,12 +10,12 @@
       }
     },
     {
-      "identity" : "generic-json-swift",
+      "identity" : "cryptoswift",
       "kind" : "remoteSourceControl",
-      "location" : "https://github.com/iwill/generic-json-swift",
+      "location" : "https://github.com/krzyzanowskim/CryptoSwift.git",
       "state" : {
-        "revision" : "0a06575f4038b504e78ac330913d920f1630f510",
-        "version" : "2.0.2"
+        "revision" : "678d442c6f7828def400a70ae15968aef67ef52d",
+        "version" : "1.8.3"
       }
     },
     {
@@ -41,17 +32,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/xmtp/libxmtp-swift.git",
       "state" : {
-        "revision" : "abd4f896f539e5bb090c85022177d775ad08dcb1",
-        "version" : "0.5.8-beta4"
-      }
-    },
-    {
-      "identity" : "secp256k1.swift",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/GigaBitcoin/secp256k1.swift.git",
-      "state" : {
-        "revision" : "48fb20fce4ca3aad89180448a127d5bc16f0e44c",
-        "version" : "0.10.0"
+        "revision" : "91653cdaf999119f99189178867e32dcc53b11e8",
+        "version" : "0.6.0"
       }
     },
     {
@@ -68,125 +50,71 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-collections.git",
       "state" : {
-        "revision" : "3d2dc41a01f9e49d84f0a3925fb858bed64f702d",
-        "version" : "1.1.2"
+        "revision" : "671108c96644956dddcd89dd59c203dcdb36cec7",
+        "version" : "1.1.4"
       }
     },
     {
       "identity" : "swift-docc-plugin",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-docc-plugin.git",
       "state" : {
-        "revision" : "26ac5758409154cc448d7ab82389c520fa8a8247",
-        "version" : "1.3.0"
+        "revision" : "85e4bb4e1cd62cec64a4b8e769dcefdf0c5b9d64",
+        "version" : "1.4.3"
       }
     },
     {
       "identity" : "swift-docc-symbolkit",
       "kind" : "remoteSourceControl",
-      "location" : "https://github.com/apple/swift-docc-symbolkit",
+      "location" : "https://github.com/swiftlang/swift-docc-symbolkit",
       "state" : {
         "revision" : "b45d1f2ed151d057b54504d653e0da5552844e34",
         "version" : "1.0.0"
       }
     },
-    {
-      "identity" : "swift-http-types",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/apple/swift-http-types",
-      "state" : {
-        "revision" : "1ddbea1ee34354a6a2532c60f98501c35ae8edfa",
-        "version" : "1.2.0"
-      }
-    },
-    {
-      "identity" : "swift-log",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/apple/swift-log.git",
-      "state" : {
-        "revision" : "9cb486020ebf03bfa5b5df985387a14a98744537",
-        "version" : "1.6.1"
-      }
-    },
     {
       "identity" : "swift-nio",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-nio.git",
       "state" : {
-        "revision" : "fc79798d5a150d61361a27ce0c51169b889e23de",
-        "version" : "2.68.0"
-      }
-    },
-    {
-      "identity" : "swift-nio-extras",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/apple/swift-nio-extras.git",
-      "state" : {
-        "revision" : "05c36b57453d23ea63785d58a7dbc7b70ba1745e",
-        "version" : "1.23.0"
+        "revision" : "914081701062b11e3bb9e21accc379822621995e",
+        "version" : "2.76.1"
       }
     },
     {
       "identity" : "swift-nio-http2",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-nio-http2.git",
       "state" : {
-        "revision" : "a0224f3d20438635dd59c9fcc593520d80d131d0",
-        "version" : "1.33.0"
+        "revision" : "eaa71bb6ae082eee5a07407b1ad0cbd8f48f9dca",
+        "version" : "1.34.1"
       }
     },
     {
       "identity" : "swift-nio-ssl",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-nio-ssl.git",
       "state" : {
-        "revision" : "2b09805797f21c380f7dc9bedaab3157c5508efb",
-        "version" : "2.27.0"
-      }
-    },
-    {
-      "identity" : "swift-nio-transport-services",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/apple/swift-nio-transport-services.git",
-      "state" : {
-        "revision" : "38ac8221dd20674682148d6451367f89c2652980",
-        "version" : "1.21.0"
+        "revision" : "c7e95421334b1068490b5d41314a50e70bab23d1",
+        "version" : "2.29.0"
       }
     },
     {
       "identity" : "swift-protobuf",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-protobuf.git",
       "state" : {
-        "revision" : "d57a5aecf24a25b32ec4a74be2f5d0a995a47c4b",
-        "version" : "1.27.0"
+        "revision" : "ebc7251dd5b37f627c93698e4374084d98409633",
+        "version" : "1.28.2"
       }
     },
     {
       "identity" : "swift-system",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-system.git",
       "state" : {
-        "revision" : "6a9e38e7bd22a3b8ba80bddf395623cf68f57807",
-        "version" : "1.3.1"
-      }
-    },
-    {
-      "identity" : "web3.swift",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/argentlabs/web3.swift",
-      "state" : {
-        "revision" : "1e75f98a5738c470b23bbfffa9314e9f788df76b",
-        "version" : "1.6.1"
-      }
-    },
-    {
-      "identity" : "websocket-kit",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/vapor/websocket-kit.git",
-      "state" : {
-        "revision" : "4232d34efa49f633ba61afde365d3896fc7f8740",
-        "version" : "2.15.0"
+        "revision" : "c8a44d836fe7913603e246acab7c528c2e780168",
+        "version" : "1.4.0"
       }
     }
   ],

Package.swift

@@ -7,7 +7,6 @@ let package = Package(
 	name: "XMTPiOS",
 	platforms: [.iOS(.v14), .macOS(.v11)],
 	products: [
-		// Products define the executables and libraries a package produces, and make them visible to other packages.
 		.library(
 			name: "XMTPiOS",
 			targets: ["XMTPiOS"]
@@ -18,26 +17,20 @@ let package = Package(
 		),
 	],
 	dependencies: [
-		// Dependencies declare other packages that this package depends on.
-		// .package(url: /* package url */, from: "1.0.0"),
-		.package(url: "https://github.com/GigaBitcoin/secp256k1.swift.git", exact: "0.10.0"),
-		.package(url: "https://github.com/argentlabs/web3.swift", from: "1.1.0"),
 		.package(url: "https://github.com/1024jp/GzipSwift", from: "5.2.0"),
 		.package(url: "https://github.com/bufbuild/connect-swift", exact: "0.12.0"),
 		.package(url: "https://github.com/apple/swift-docc-plugin.git", from: "1.0.0"),
 		.package(url: "https://github.com/xmtp/libxmtp-swift.git", exact: "3.0.0"),
+		.package(url: "https://github.com/krzyzanowskim/CryptoSwift.git", exact: "1.8.3")
 	],
 	targets: [
-		// Targets are the basic building blocks of a package. A target can define a module or a test suite.
-		// Targets can depend on other targets in this package, and on products in packages this package depends on.
 		.target(
 			name: "XMTPiOS",
 			dependencies: [
-				.product(name: "secp256k1", package: "secp256k1.swift"),
-				"web3.swift",
 				.product(name: "Gzip", package: "GzipSwift"),
 				.product(name: "Connect", package: "connect-swift"),
-				.product(name: "LibXMTP", package: "libxmtp-swift")
+				.product(name: "LibXMTP", package: "libxmtp-swift"),
+				.product(name: "CryptoSwift", package: "CryptoSwift")
 			]
 		),
 		.target(

Sources/XMTPTestHelpers/TestHelpers.swift

@@ -1,6 +1,5 @@
 #if canImport(XCTest)
 	import Combine
-	import CryptoKit
 	import XCTest
 	@testable import XMTPiOS
 	import LibXMTP

Sources/XMTPiOS/Client.swift

@@ -1,6 +1,5 @@
 import Foundation
 import LibXMTP
-import web3
 
 public typealias PreEventCallback = () async throws -> Void
 

Sources/XMTPiOS/Codecs/RemoteAttachmentCodec.swift

@@ -1,13 +1,6 @@
-//
-//  RemoteAttachmentCodec.swift
-//
-//
-//  Created by Pat Nakajima on 2/19/23.
-//
-
 import CryptoKit
+import CryptoSwift
 import Foundation
-import web3
 
 public let ContentTypeRemoteAttachment = ContentTypeID(authorityID: "xmtp.org", typeID: "remoteStaticAttachment", versionMajor: 1, versionMinor: 0)
 
@@ -217,11 +210,7 @@ public struct RemoteAttachmentCodec: ContentCodec {
 			throw RemoteAttachmentError.invalidParameters("missing \(name) parameter")
 		}
 
-		guard let parameterData = parameterHex.web3.hexData else {
-			throw RemoteAttachmentError.invalidParameters("invalid \(name) value")
-		}
-
-		return Data(parameterData)
+		return Data(parameterHex.hexToData)
 	}
 
 	public func shouldPush(content: RemoteAttachment) throws -> Bool {

Sources/XMTPiOS/Crypto.swift

@@ -1,7 +1,3 @@
-//
-//  Crypto.swift
-//
-
 import CryptoKit
 import Foundation
 

Sources/XMTPiOS/Extensions/String.swift

@@ -1,16 +1,9 @@
-//
-//  String.swift
-//
-//
-//  Created by Naomi Plasterer on 7/1/24.
-//
-
 import Foundation
-
+import CryptoSwift
 
 extension String {
 	public var hexToData: Data {
-		return Data(self.web3.bytesFromHex ?? [])
+		return Data(hex: self)
 	}
 }
 

Sources/XMTPiOS/KeyUtil.swift

@@ -1,12 +1,8 @@
-//
-//  web3.swift
-//  Copyright © 2022 Argent Labs Limited. All rights reserved.
-//
 import Foundation
 import Logging
 import secp256k1
-import web3
 import LibXMTP
+import CryptoSwift
 
 enum KeyUtilError: Error {
 	case invalidContext
@@ -18,7 +14,6 @@ enum KeyUtilError: Error {
 	case parseError
 }
 
-// Copied from web3.swift since its version is `internal`
 enum KeyUtilx {
 	static func generatePublicKey(from data: Data) throws -> Data {
 		let vec = try LibXMTP.publicKeyFromPrivateKeyK256(privateKeyBytes: data)
@@ -42,7 +37,7 @@ enum KeyUtilx {
 			secp256k1_context_destroy(ctx)
 		}
 
-		let msgData = hashing ? Util.keccak256(message) : message
+		let msgData = hashing ? message.sha3(.keccak256) : message
 		let msg = (msgData as NSData).bytes.assumingMemoryBound(to: UInt8.self)
 		let privateKeyPtr = (privateKey as NSData).bytes.assumingMemoryBound(to: UInt8.self)
 		let signaturePtr = UnsafeMutablePointer<secp256k1_ecdsa_recoverable_signature>.allocate(capacity: 1)
@@ -64,20 +59,20 @@ enum KeyUtilx {
 		defer {
 			outputWithRecidPtr.deallocate()
 		}
-		outputWithRecidPtr.assign(from: outputPtr, count: 64)
+		outputWithRecidPtr.update(from: outputPtr, count: 64)
 		outputWithRecidPtr.advanced(by: 64).pointee = UInt8(recid)
 
 		let signature = Data(bytes: outputWithRecidPtr, count: 65)
 
 		return signature
 	}
 
-	static func generateAddress(from publicKey: Data) -> EthereumAddress {
+	static func generateAddress(from publicKey: Data) -> String {
 		let publicKeyData = publicKey.count == 64 ? publicKey : publicKey[1 ..< publicKey.count]
 
-		let hash = Util.keccak256(publicKeyData)
+		let hash = publicKeyData.sha3(.keccak256)
 		let address = hash.subdata(in: 12 ..< hash.count)
-		return EthereumAddress("0x" + address.toHex)
+		return "0x" + address.toHex
 	}
 
 	static func recoverPublicKey(message: Data, signature: Data) throws -> Data {

Sources/XMTPiOS/Messages/PrivateKey.swift

@@ -1,4 +1,3 @@
-import CryptoKit
 import Foundation
 import LibXMTP
 

Sources/XMTPiOS/Messages/PublicKey.swift

@@ -1,7 +1,5 @@
-import CryptoKit
 import Foundation
 import LibXMTP
-import web3
 
 typealias PublicKey = Xmtp_MessageContents_PublicKey
 
@@ -11,7 +9,6 @@ enum PublicKeyError: String, Error {
 
 extension PublicKey {
 	var walletAddress: String {
-		KeyUtilx.generateAddress(from: secp256K1Uncompressed.bytes)
-			.toChecksumAddress()
+		KeyUtilx.generateAddress(from: secp256K1Uncompressed.bytes).lowercased()
 	}
 }

Sources/XMTPiOS/Messages/Signature.swift

@@ -7,6 +7,7 @@
 
 import Foundation
 import LibXMTP
+import CryptoSwift
 
 /// Represents a secp256k1 compact recoverable signature.
 public typealias Signature = Xmtp_MessageContents_Signature
@@ -42,7 +43,7 @@ extension Signature {
 	static func ethHash(_ message: String) throws -> Data {
 		let data = try ethPersonalMessage(message)
 
-		return Util.keccak256(data)
+		return data.sha3(.keccak256)
 	}
 
 	static func createIdentityText(key: Data) -> String {