nim-codex/tests/codex/merkletree/testcoders.nim

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import std/unittest
import pkg/questionable/results
import pkg/stew/byteutils
import pkg/codex/merkletree
import ../helpers
checksuite "merkletree - coders":
const data =
[
"0123456789012345678901234567890123456789".toBytes,
"1234567890123456789012345678901234567890".toBytes,
"2345678901234567890123456789012345678901".toBytes,
"3456789012345678901234567890123456789012".toBytes,
"4567890123456789012345678901234567890123".toBytes,
"5678901234567890123456789012345678901234".toBytes,
"6789012345678901234567890123456789012345".toBytes,
"7890123456789012345678901234567890123456".toBytes,
"8901234567890123456789012345678901234567".toBytes,
"9012345678901234567890123456789012345678".toBytes,
]
test "encoding and decoding a tree yields the same tree":
var builder = MerkleTreeBuilder.init(multiCodec("sha2-256")).tryGet()
builder.addDataBlock(data[0]).tryGet()
builder.addDataBlock(data[1]).tryGet()
builder.addDataBlock(data[2]).tryGet()
builder.addDataBlock(data[3]).tryGet()
builder.addDataBlock(data[4]).tryGet()
builder.addDataBlock(data[5]).tryGet()
builder.addDataBlock(data[6]).tryGet()
builder.addDataBlock(data[7]).tryGet()
builder.addDataBlock(data[8]).tryGet()
builder.addDataBlock(data[9]).tryGet()
let tree = builder.build().tryGet()
let encodedBytes = tree.encode()
let decodedTree = MerkleTree.decode(encodedBytes).tryGet()
check:
tree == decodedTree