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andreypfauandreypfau
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boc serialization
Signed-off-by: andreypfau <andreypfau@ton.org>
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‎cell/src/boc/BagOfCells.kt‎

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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,10 @@
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package org.ton.sdk.cell.boc
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import kotlinx.io.Buffer
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import kotlinx.io.readByteArray
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import org.ton.sdk.cell.Cell
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import org.ton.sdk.cell.CellContext
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import kotlin.jvm.JvmField
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import kotlin.jvm.JvmOverloads
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import kotlin.jvm.JvmStatic
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@@ -37,6 +41,72 @@ public abstract class BagOfCells {
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}
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}
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public class EncodeOptions internal constructor(
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/**
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* Enables bag-of-cells index creation
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*
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* (useful for lazy deserialization of large bags of cells).
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*/
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public val withIndex: Boolean,
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/**
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* includes the CRC32-C of all data into the serialization
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*
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* (useful for checking data integrity).
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*/
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public val withCrc32c: Boolean,
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/**
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* Explicitly stores the hash of the root cell into the serialization
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* (so that it can be quickly recovered afterwards without a complete deserialization).
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*/
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public val withTopHashes: Boolean,
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/**
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* Stores hashes of some intermediate (non-leaf) cells
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* (useful for lazy deserialization of large bags of cells).
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*/
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public val withInternalHashes: Boolean,
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/**
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* Stores cell cache bits to control caching of deserialized cells.
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*/
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public val withCacheBits: Boolean
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) {
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public class Builder {
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public var withIndex: Boolean = false
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public var withCrc32c: Boolean = false
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public var withTopHash: Boolean = false
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public var withInternalHashes: Boolean = false
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public var withCacheBits: Boolean = false
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public fun build(): EncodeOptions {
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return EncodeOptions(
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withIndex = withIndex,
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withCrc32c = withCrc32c,
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withTopHashes = withTopHash,
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withInternalHashes = withInternalHashes,
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withCacheBits = withCacheBits
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)
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}
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}
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public companion object {
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@JvmField
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public val Default: EncodeOptions = EncodeOptions(
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withIndex = false,
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withCrc32c = false,
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withTopHashes = false,
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withInternalHashes = false,
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withCacheBits = false
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)
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}
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}
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public companion object {
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@JvmStatic
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@JvmOverloads
@@ -49,5 +119,28 @@ public abstract class BagOfCells {
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boc.getRootCell(it)
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}
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}
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@JvmStatic
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@JvmOverloads
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public fun encodeToByteArray(
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cell: Cell,
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options: EncodeOptions = EncodeOptions.Default
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): ByteArray = encodeToByteArray(arrayOf(cell), options)
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@JvmStatic
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@JvmOverloads
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public fun encodeToByteArray(
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rootCells: Array<Cell>,
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options: EncodeOptions = EncodeOptions.Default
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): ByteArray {
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val serializer = BagOfCellSerializer(CellContext.EMPTY)
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for (cell in rootCells) {
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serializer.addRoot(cell)
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}
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serializer.importCells()
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val buffer = Buffer()
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serializer.serialize(buffer, options)
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return buffer.readByteArray()
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}
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}
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}

‎cell/test/BocTest.kt‎

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Original file line numberDiff line numberDiff line change
@@ -2,21 +2,71 @@ import kotlinx.io.bytestring.hexToByteString
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import org.ton.sdk.bitstring.BitString
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import org.ton.sdk.cell.CellBuilder
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import org.ton.sdk.cell.LevelMask
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import org.ton.sdk.cell.boc.BagOfCellSerializer
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import org.ton.sdk.cell.boc.BagOfCells
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import org.ton.sdk.crypto.HashBytes
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import utils.XorShift128Plus
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import utils.genRandomCell
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import kotlin.io.encoding.Base64
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import kotlin.test.Test
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import kotlin.test.assertContentEquals
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import kotlin.test.assertEquals
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const val WithIndex = 1
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const val WithCRC32C = 2
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const val WithTopHash = 4
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const val WithIntHashes = 8
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const val WithCacheBits = 16
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class BocTest {
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val BLOCK_BOC = Base64.decode(
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"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1424
)
1525

26+
27+
private val encodeOptions = buildList {
28+
for (i in 0 until 32) {
29+
if (i and WithCacheBits != 0 && i and WithIndex == 0) continue
30+
val mode = BagOfCells.EncodeOptions.Builder()
31+
mode.withIndex = i and WithIndex != 0
32+
mode.withCrc32c = i and WithCRC32C != 0
33+
// On c++ implementation it's not work properly
34+
// mode.withTopHash = i and WithTopHash != 0
35+
mode.withInternalHashes = i and WithIntHashes != 0
36+
mode.withCacheBits = i and WithCacheBits != 0
37+
add(mode.build())
38+
}
39+
}
40+
41+
fun randomEncodeOption(random: XorShift128Plus): BagOfCells.EncodeOptions {
42+
return encodeOptions[random.nextInt(encodeOptions.size)]
43+
}
44+
45+
@Test
46+
fun testBoc() {
47+
val random = XorShift128Plus(12311)
48+
repeat(1) {
49+
val cell = genRandomCell(random.nextInt(1, 1001), random)
50+
val cellHash = cell.hash()
51+
val encodeOption = randomEncodeOption(random)
52+
val serialized = BagOfCells.encodeToByteArray(cell, encodeOption)
53+
54+
val loadedCell = BagOfCells.decodeFromByteArray(serialized).first()
55+
assertEquals(cellHash, loadedCell.hash())
56+
57+
val newSerialized = BagOfCells.encodeToByteArray(loadedCell, encodeOption)
58+
assertContentEquals(serialized, newSerialized)
59+
}
60+
}
61+
1662
@Test
1763
fun loadBoc() {
1864
val cell = BagOfCells.decodeFromByteArray(BLOCK_BOC).first()
1965
println(cell)
66+
67+
val serializer = BagOfCellSerializer()
68+
serializer.addRoot(cell)
69+
serializer.importCells()
2070
}
2171

2272
@Test

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