nim-codex/tests/codex/merkletree/testposeidon2tree.nim

95 lines
2.5 KiB
Nim

import std/unittest
import std/sequtils
import std/sugar
import pkg/chronos
import pkg/poseidon2
import pkg/poseidon2/io
import pkg/questionable/results
import pkg/results
import pkg/stew/byteutils
import pkg/stew/arrayops
import constantine/math/arithmetic
import constantine/math/io/io_bigints
import pkg/constantine/math/io/io_fields
import pkg/constantine/platforms/abstractions
import pkg/codex/merkletree
import ./generictreetests
import ./helpers
const
data =
@[
"0000000000000000000000000000001".toBytes,
"0000000000000000000000000000002".toBytes,
"0000000000000000000000000000003".toBytes,
"0000000000000000000000000000004".toBytes,
"0000000000000000000000000000005".toBytes,
"0000000000000000000000000000006".toBytes,
"0000000000000000000000000000007".toBytes,
"0000000000000000000000000000008".toBytes,
"0000000000000000000000000000009".toBytes, # note one less to account for padding of field elements
]
suite "Test Poseidon2Tree":
proc Poseidon2TreeInit(leaves: seq[Poseidon2Hash]): ?!Poseidon2Tree =
waitFor Poseidon2Tree.init(leaves)
proc Poseidon2TreeInit(leaves: seq[array[31, byte]]): ?!Poseidon2Tree =
waitFor Poseidon2Tree.init(leaves)
var
expectedLeaves: seq[Poseidon2Hash]
setup:
expectedLeaves = toSeq( data.concat().elements(Poseidon2Hash) )
test "Should fail init tree from empty leaves":
check:
Poseidon2TreeInit( leaves = newSeq[Poseidon2Hash](0) ).isErr
test "Init tree from poseidon2 leaves":
let
tree = Poseidon2TreeInit( leaves = expectedLeaves ).tryGet
check:
tree.leaves == expectedLeaves
test "Init tree from byte leaves":
let
tree = Poseidon2TreeInit(
leaves = expectedLeaves.mapIt(
array[31, byte].initCopyFrom( it.toBytes )
)).tryGet
check:
tree.leaves == expectedLeaves
test "Should build from nodes":
let
tree = Poseidon2TreeInit(leaves = expectedLeaves).tryGet
fromNodes = Poseidon2Tree.fromNodes(
nodes = toSeq(tree.nodes),
nleaves = tree.leavesCount).tryGet
check:
tree == fromNodes
let
compressor = proc(
x, y: Poseidon2Hash,
key: PoseidonKeysEnum): Poseidon2Hash {.noSideEffect.} =
compress(x, y, key.toKey)
makeTree = proc(data: seq[Poseidon2Hash]): Poseidon2Tree =
(waitFor Poseidon2Tree.init(leaves = data)).tryGet
testGenericTree(
"Poseidon2Tree",
toSeq( data.concat().elements(Poseidon2Hash) ),
zero,
compressor,
makeTree)