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Closes #1368.
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40 changes: 40 additions & 0 deletions
40
backend-lib/src/main/java/cash/z/ecc/android/sdk/internal/model/JniScanSummary.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| package cash.z.ecc.android.sdk.internal.model | ||
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|
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| import androidx.annotation.Keep | ||
| import cash.z.ecc.android.sdk.internal.ext.isInUIntRange | ||
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| /** | ||
| * Serves as cross layer (Kotlin, Rust) communication class. | ||
| * | ||
| * @param startHeight the minimum height in the scanned range (inclusive). | ||
| * Although it's type Long, it needs to be a UInt. | ||
| * @param endHeight the maximum height in the scanned range (exclusive). | ||
| * Although it's type Long, it needs to be a UInt. | ||
| * @param spentSaplingNoteCount the number of Sapling notes detected as spent in | ||
| * the scanned range. | ||
| * @param receivedSaplingNoteCount the number of Sapling notes detected as | ||
| * received in the scanned range. | ||
| * @throws IllegalArgumentException unless (startHeight and endHeight are UInts, | ||
| * and startHeight is not less than endHeight). | ||
| */ | ||
| @Keep | ||
| class JniScanSummary( | ||
| val startHeight: Long, | ||
| val endHeight: Long, | ||
| val spentSaplingNoteCount: Long, | ||
| val receivedSaplingNoteCount: Long | ||
| ) { | ||
| init { | ||
| // We require some of the parameters below to be in the range of | ||
| // unsigned integer, because they are block heights. | ||
| require(startHeight.isInUIntRange()) { | ||
| "Height $startHeight is outside of allowed UInt range" | ||
| } | ||
| require(endHeight.isInUIntRange()) { | ||
| "Height $endHeight is outside of allowed UInt range" | ||
| } | ||
| require(endHeight >= startHeight) { | ||
| "End height $endHeight must be greater than start height $startHeight." | ||
| } | ||
| } | ||
| } |
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37 changes: 37 additions & 0 deletions
37
sdk-lib/src/main/java/cash/z/ecc/android/sdk/internal/model/ScanSummary.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| package cash.z.ecc.android.sdk.internal.model | ||
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| import cash.z.ecc.android.sdk.model.BlockHeight | ||
| import cash.z.ecc.android.sdk.model.ZcashNetwork | ||
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| internal data class ScanSummary( | ||
| val scannedRange: ClosedRange<BlockHeight>, | ||
| val spentSaplingNoteCount: Long, | ||
| val receivedSaplingNoteCount: Long | ||
| ) { | ||
| companion object { | ||
| /** | ||
| * Note that this function subtracts 1 from [JniScanSummary.endHeight] | ||
| * as the rest of the logic works with [ClosedRange] and the endHeight | ||
| * is exclusive. | ||
| */ | ||
| fun new( | ||
| jni: JniScanSummary, | ||
| zcashNetwork: ZcashNetwork | ||
| ): ScanSummary { | ||
| return ScanSummary( | ||
| scannedRange = | ||
| BlockHeight.new( | ||
| zcashNetwork, | ||
| jni.startHeight | ||
| )..( | ||
| BlockHeight.new( | ||
| zcashNetwork, | ||
| jni.endHeight | ||
| ) - 1 | ||
| ), | ||
| spentSaplingNoteCount = jni.spentSaplingNoteCount, | ||
| receivedSaplingNoteCount = jni.receivedSaplingNoteCount | ||
| ) | ||
| } | ||
| } | ||
| } |