nim-merkletree/tests/testcodexcoders.nim
E M dee521f711
WIP: Add entire merkletree module from codex
This commit does not compile.

There is a circular dependency importing the MerkleTree type. The interface needs to be defined in such a way that we can avoid this circular dependency.
2026-01-16 22:03:42 +11:00

45 lines
1.2 KiB
Nim

import pkg/unittest2
import pkg/questionable/results
import pkg/stew/byteutils
import pkg/merkletree
import ./helpers
const data = [
"00000000000000000000000000000001".toBytes,
"00000000000000000000000000000002".toBytes,
"00000000000000000000000000000003".toBytes,
"00000000000000000000000000000004".toBytes,
"00000000000000000000000000000005".toBytes,
"00000000000000000000000000000006".toBytes,
"00000000000000000000000000000007".toBytes,
"00000000000000000000000000000008".toBytes,
"00000000000000000000000000000009".toBytes, "00000000000000000000000000000010".toBytes,
]
suite "merkletree - coders":
test "encoding and decoding a tree yields the same tree":
let
tree = CodexTree.init(Sha256HashCodec, data).tryGet()
encodedBytes = tree.encode()
decodedTree = CodexTree.decode(encodedBytes).tryGet()
check:
tree == decodedTree
test "encoding and decoding a proof yields the same proof":
let
tree = CodexTree.init(Sha256HashCodec, data).tryGet()
proof = tree.getProof(4).tryGet()
check:
proof.verify(tree.leaves[4], tree.root.tryGet).isOk
let
encodedBytes = proof.encode()
decodedProof = CodexProof.decode(encodedBytes).tryGet()
check:
proof == decodedProof