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‎.gitignore‎

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.DS_Store
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/.build
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/Packages
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/*.xcodeproj
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xcuserdata/
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DerivedData/
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.swiftpm
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.netrc

‎.gitmodules‎

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[submodule "Sources/cxxopts"]
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path = Sources/cxxopts
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url = https://github.com/jarro2783/cxxopts.git
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[submodule "Sources/filesystem"]
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path = Sources/filesystem
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url = https://github.com/gulrak/filesystem.git
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[submodule "Sources/chiapos"]
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path = Sources/chiapos
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url = git@github.com:keyspacewallet/chiapos.git

‎Package.swift‎

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// swift-tools-version: 5.7
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import PackageDescription
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let package = Package(
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name: "swift-pos",
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products: [
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.library(
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name: "POS",
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targets: ["POS"]),
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],
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targets: [
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.target(
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name: "blake3",
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path: "Sources/chiapos/src/b3",
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exclude: [
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"blake3_avx2_x86-64_unix.S",
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"blake3_avx2.c",
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"blake3_avx512_x86-64_unix.S",
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"blake3_avx512.c",
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"blake3_sse41_x86-64_unix.S",
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"blake3_sse41.c",
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],
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publicHeadersPath: "./",
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cSettings: [
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.define("BLAKE3_NO_AVX2", to: "1"),
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.define("BLAKE3_NO_AVX512", to: "1"),
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.define("BLAKE3_NO_SSE41", to: "1")
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]),
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.target(
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name: "chiapos",
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path: "Sources/chiapos/src",
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exclude: [
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"b3",
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"cli.cpp",
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"../lib/FiniteStateEntropy/lib/huf_compress.c"
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],
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publicHeadersPath: "./",
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cxxSettings: [
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.headerSearchPath("b3"),
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.headerSearchPath("../lib/include")
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]),
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.target(
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name: "ObjCPOS",
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dependencies: ["chiapos", "blake3"],
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path: "Sources/ObjCPOS",
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cxxSettings: [
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.headerSearchPath("../chiapos/src"),
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.headerSearchPath("../chiapos/src/b3"),
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.headerSearchPath("../chiapos/lib/include")
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]),
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.target(
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name: "POS",
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dependencies: ["ObjCPOS"]),
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.testTarget(
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name: "POSTests",
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dependencies: ["POS"]),
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],
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cxxLanguageStandard: .cxx17
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)

‎README.md‎

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# Swift Proof of Space
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Swift package of [Chia-Network/chiapos](https://github.com/Chia-Network/chiapos).

‎Sources/ObjCPOS/Include/POS.h‎

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#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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@interface POS : NSObject
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+ (NSData *)validate_proof:(NSData *)proof_id
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k:(UInt8)k
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challenge:(NSData *)challenge
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proof:(NSData *)proof_bytes;
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@end
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NS_ASSUME_NONNULL_END

‎Sources/ObjCPOS/POS.mm‎

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#import "POS.h"
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#import "verifier.hpp"
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@implementation POS
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+ (NSData *)validate_proof:(NSData *)proof_id k:(UInt8)k challenge:(NSData *)challenge proof:(NSData *)proof_bytes {
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const uint8_t *seed_ptr = (uint8_t *)proof_id.bytes;
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const uint8_t *challenge_ptr = (uint8_t *)challenge.bytes;
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const uint8_t *proof_ptr = (uint8_t *)proof_bytes.bytes;
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LargeBits quality = Verifier().ValidateProof(seed_ptr, k, challenge_ptr, proof_ptr, proof_bytes.length);
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if (quality.GetSize() == 0) {
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return [[NSData alloc] init];
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}
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uint8_t *quality_buf = new uint8_t[32];
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quality.ToBytes(quality_buf);
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return [NSData dataWithBytes:quality_buf length:32];
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}
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@end

‎Sources/POS/POS.swift‎

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@_exported import ObjCPOS

‎Sources/chiapos/.clang-format‎

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BasedOnStyle: Google
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UseTab: Never
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ColumnLimit: 100
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IndentWidth: 4
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TabWidth: 4
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AllowShortIfStatementsOnASingleLine: false
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IndentCaseLabels: false
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AccessModifierOffset: -4
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BinPackArguments: false
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BinPackParameters: false
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AlignAfterOpenBracket: AlwaysBreak
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IndentCaseLabels: true
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AllowAllParametersOfDeclarationOnNextLine: false
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BreakBeforeBraces: Custom
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BraceWrapping:
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AfterFunction: true
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PenaltyReturnTypeOnItsOwnLine: 1000

‎Sources/chiapos/.dockerignore‎

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*
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!lib/
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!python-bindings/
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!src/
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!tests/
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!tools/
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!uint128_t/
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!CMakeLists.txt
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!LICENSE
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!README.md
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‎Sources/chiapos/.flake8‎

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[flake8]
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max-line-length = 120
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exclude = ./lib/pybind11

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