33 lines
1.2 KiB
Kotlin
33 lines
1.2 KiB
Kotlin
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package cash.z.ecc.android.sdk.model
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/**
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* A [ZIP 316](https://zips.z.cash/zip-0316) Unified Spending Key.
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*
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* This is the spend authority for an account under the wallet's seed.
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*
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* An instance of this class contains all of the per-pool spending keys that could be
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* derived at the time of its creation. As such, it is not suitable for long-term storage,
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* export/import, or backup purposes.
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*/
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data class UnifiedSpendingKey internal constructor(
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/**
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* A [ZIP 316](https://zips.z.cash/zip-0316) account identifier.
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*/
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val account: Int,
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/**
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* The binary encoding of the [ZIP 316](https://zips.z.cash/zip-0316) Unified Spending
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* Key for [account].
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*
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* This encoding **MUST NOT** be exposed to users. It is an internal encoding that is
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* inherently unstable, and only intended to be passed between the SDK and the storage
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* backend. Wallets **MUST NOT** allow this encoding to be exported or imported.
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*/
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internal val bytes: FirstClassByteArray
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) {
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// Override to prevent leaking key to logs
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override fun toString() = "UnifiedSpendingKey(account=$account)"
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fun copyBytes() = bytes.byteArray.copyOf()
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}
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