Package.swift

// swift-tools-version: 6.0

import PackageDescription

let package = Package(
    name: "swift-secp256k1",
    products: [
        // WARNING: These APIs should not be considered stable and may change at any time.
        .library(name: "libsecp256k1", targets: ["libsecp256k1"]),
        .library(name: "libsecp256k1_zkp", targets: ["libsecp256k1_zkp"]),
        .library(name: "P256K", targets: ["P256K"]),
        .library(name: "ZKP", targets: ["ZKP"])
    ],
    dependencies: [
        // Dependencies used for package development
        .package(url: "https://github.com/csjones/lefthook-plugin.git", exact: "1.11.12"),
        .package(url: "https://github.com/21-DOT-DEV/swift-plugin-tuist.git", exact: "4.49.1"),
        .package(url: "https://github.com/nicklockwood/SwiftFormat.git", exact: "0.55.6"),
        .package(url: "https://github.com/realm/SwiftLint.git", exact: "0.59.1")
    ],
    targets: [
        .target(name: "P256K", dependencies: ["libsecp256k1"]),
        .target(name: "ZKP", dependencies: ["libsecp256k1_zkp"]),
        .target(
            name: "libsecp256k1",
            cSettings: PackageDescription.CSetting.baseSettings
        ),
        .target(
            name: "libsecp256k1_zkp",
            cSettings: PackageDescription.CSetting.baseSettings + [
                .define("ENABLE_MODULE_BPPP"),
                .define("ENABLE_MODULE_ECDSA_ADAPTOR"),
                .define("ENABLE_MODULE_ECDSA_S2C"),
                .define("ENABLE_MODULE_GENERATOR"),
                .define("ENABLE_MODULE_RANGEPROOF"),
                .define("ENABLE_MODULE_SCHNORRSIG_HALFAGG"),
                .define("ENABLE_MODULE_SURJECTIONPROOF"),
                .define("ENABLE_MODULE_WHITELIST"),
                // Some modules need additional header search paths
                .headerSearchPath("../../Submodules/secp256k1-zkp"),
                .headerSearchPath("../../Submodules/secp256k1-zkp/src")
            ]
        ),
        .testTarget(name: "libsecp256k1zkpTests", dependencies: ["ZKP", "libsecp256k1_zkp"]),
        .testTarget(name: "ZKPTests", dependencies: ["ZKP"])
    ],
    swiftLanguageModes: [.v5],
    cLanguageStandard: .c89
)

extension PackageDescription.CSetting {
    static let baseSettings: [Self] = [
        // Basic config values that are universal and require no dependencies.
        .define("ECMULT_GEN_PREC_BITS", to: "4"),
        .define("ECMULT_WINDOW_SIZE", to: "15"),
        // Enabling additional secp256k1 modules.
        .define("ENABLE_MODULE_ECDH"),
        .define("ENABLE_MODULE_ELLSWIFT"),
        .define("ENABLE_MODULE_EXTRAKEYS"),
        .define("ENABLE_MODULE_MUSIG"),
        .define("ENABLE_MODULE_RECOVERY"),
        .define("ENABLE_MODULE_SCHNORRSIG")
    ]
}