mirror of https://github.com/status-im/nim-eth.git
127 lines
3.9 KiB
Nim
127 lines
3.9 KiB
Nim
{.used.}
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import
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unittest, random,
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eth/trie/[db, binary],
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./testutils, stew/byteutils
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suite "binary trie":
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test "different order insert":
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randomize()
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var kv_pairs = randKVPair()
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var result = zeroHash
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for _ in 0..<1: # repeat 3 times
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var db = newMemoryDB()
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var trie = initBinaryTrie(db)
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random.shuffle(kv_pairs)
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for i, c in kv_pairs:
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trie.set(c.key, c.value)
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let x = trie.get(c.key)
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let y = c.value
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check y == x
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check result == zeroHash or trie.getRootHash() == result
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result = trie.getRootHash()
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# insert already exist key/value
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trie.set(kv_pairs[0].key, kv_pairs[0].value)
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check trie.getRootHash() == result
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# Delete all key/value
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random.shuffle(kv_pairs)
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for i, c in kv_pairs:
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trie.delete(c.key)
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check trie.getRootHash() == zeroHash
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const delSubtrieData = [
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(("\x12\x34\x56\x78", "78"), ("\x12\x34\x56\x79", "79"), "\x12\x34\x56", true, false),
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(("\x12\x34\x56\x78", "78"), ("\x12\x34\x56\xff", "ff"), "\x12\x34\x56", true, false),
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(("\x12\x34\x56\x78", "78"), ("\x12\x34\x56\x79", "79"), "\x12\x34\x57", false, false),
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(("\x12\x34\x56\x78", "78"), ("\x12\x34\x56\x79", "79"), "\x12\x34\x56\x78\x9a", false, true)
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]
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test "delete subtrie":
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for data in delSubtrieData:
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var db = newMemoryDB()
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var trie = initBinaryTrie(db)
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let kv1 = data[0]
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let kv2 = data[1]
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let key_to_be_deleted = data[2]
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let will_delete = data[3]
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let will_raise_error = data[4]
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# First test case, delete subtrie of a kv node
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trie.set(kv1[0].toBytes, kv1[1].toBytes)
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trie.set(kv2[0].toBytes, kv2[1].toBytes)
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check trie.get(kv1[0].toBytes) == kv1[1].toBytes
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check trie.get(kv2[0].toBytes) == kv2[1].toBytes
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if will_delete:
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trie.deleteSubtrie(key_to_be_deleted.toBytes)
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check trie.get(kv1[0].toBytes) == []
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check trie.get(kv2[0].toBytes) == []
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check trie.getRootHash() == zeroHash
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else:
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if will_raise_error:
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try:
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trie.deleteSubtrie(key_to_be_deleted.toBytes)
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except NodeOverrideError:
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discard
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else:
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let root_hash_before_delete = trie.getRootHash()
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trie.deleteSubtrie(key_to_be_deleted.toBytes)
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check trie.get(kv1[0].toBytes) == toBytes(kv1[1])
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check trie.get(kv2[0].toBytes) == toBytes(kv2[1])
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check trie.getRootHash() == root_hash_before_delete
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const invalidKeyData = [
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("\x12\x34\x56", false),
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("\x12\x34\x56\x77", false),
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("\x12\x34\x56\x78\x9a", true),
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("\x12\x34\x56\x79\xab", true),
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("\xab\xcd\xef", false)
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]
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test "invalid key":
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for data in invalidKeyData:
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var db = newMemoryDB()
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var trie = initBinaryTrie(db)
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trie.set("\x12\x34\x56\x78".toBytes, "78".toBytes)
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trie.set("\x12\x34\x56\x79".toBytes, "79".toBytes)
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let invalidKey = data[0]
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let if_error = data[1]
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check trie.get(invalidKey.toBytes) == []
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if if_error:
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try:
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trie.delete(invalidKey.toBytes)
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except NodeOverrideError:
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discard
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else:
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let previous_root_hash = trie.getRootHash()
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trie.delete(invalidKey.toBytes)
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check previous_root_hash == trie.getRootHash()
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test "update value":
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let keys = randList(string, randGen(32, 32), randGen(100, 100))
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let vals = randList(int, randGen(0, 99), randGen(50, 50))
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var db = newMemoryDB()
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var trie = initBinaryTrie(db)
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for key in keys:
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trie.set(key.toBytes, "old".toBytes)
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var current_root = trie.getRootHash()
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for i in vals:
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trie.set(keys[i].toBytes, "old".toBytes)
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check current_root == trie.getRootHash()
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trie.set(keys[i].toBytes, "new".toBytes)
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check current_root != trie.getRootHash()
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check trie.get(keys[i].toBytes) == toBytes("new")
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current_root = trie.getRootHash()
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