84 lines
2.7 KiB
Swift
84 lines
2.7 KiB
Swift
//
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// MnemonicSeedPhraseProvider.swift
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// secant-testnet
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//
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// Created by Lukáš Korba on 03/09/2022.
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//
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import Foundation
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import MnemonicSwift
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struct MnemonicSeedPhraseProvider {
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/// Random 24 words mnemonic phrase
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var randomMnemonic: () throws -> String
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/// Random 24 words mnemonic phrase as array of words
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var randomMnemonicWords: () throws -> [String]
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/// Generate deterministic seed from mnemonic phrase
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var toSeed: (String) throws -> [UInt8]
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/// Get this mnemonic phrase as array of words
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var asWords: (String) throws -> [String]
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/// Validates whether the given mnemonic is correct
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var isValid: (String) throws -> Void
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}
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extension MnemonicSeedPhraseProvider {
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static let live = MnemonicSeedPhraseProvider(
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randomMnemonic: {
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try Mnemonic.generateMnemonic(strength: 256)
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},
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randomMnemonicWords: {
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try Mnemonic.generateMnemonic(strength: 256).components(separatedBy: " ")
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},
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toSeed: { mnemonic in
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let data = try Mnemonic.deterministicSeedBytes(from: mnemonic)
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return [UInt8](data)
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},
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asWords: { mnemonic in
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mnemonic.components(separatedBy: " ")
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},
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isValid: { mnemonic in
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try Mnemonic.validate(mnemonic: mnemonic)
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}
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)
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static let mock = MnemonicSeedPhraseProvider(
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randomMnemonic: {
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"""
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still champion voice habit trend flight \
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survey between bitter process artefact blind \
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carbon truly provide dizzy crush flush \
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breeze blouse charge solid fish spread
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"""
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},
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randomMnemonicWords: {
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let mnemonic = """
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still champion voice habit trend flight \
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survey between bitter process artefact blind \
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carbon truly provide dizzy crush flush \
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breeze blouse charge solid fish spread
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"""
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return mnemonic.components(separatedBy: " ")
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},
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toSeed: { _ in
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let seedString = Data(
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base64Encoded: "9VDVOZZZOWWHpZtq1Ebridp3Qeux5C+HwiRR0g7Oi7HgnMs8Gfln83+/Q1NnvClcaSwM4ADFL1uZHxypEWlWXg=="
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)!// swiftlint:disable:this force_unwrapping
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return [UInt8](seedString)
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},
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asWords: { mnemonic in
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let mnemonic = """
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still champion voice habit trend flight \
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survey between bitter process artefact blind \
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carbon truly provide dizzy crush flush \
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breeze blouse charge solid fish spread
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"""
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return mnemonic.components(separatedBy: " ")
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},
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isValid: { _ in }
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)
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}
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