nim-eth/tests/trie/test_hexary_trie.nim

377 lines
9.7 KiB
Nim

import
unittest, strutils, sequtils, os,
stew/ranges/typedranges, eth/trie/[hexary, db, trie_defs], nimcrypto/utils,
./testutils, algorithm, eth/rlp/types as rlpTypes, random
template put(t: HexaryTrie|SecureHexaryTrie, key, val: string) =
t.put(key.toBytesRange, val.toBytesRange)
template del(t: HexaryTrie|SecureHexaryTrie, key) =
t.del(key.toBytesRange)
template get(t: HexaryTrie|SecureHexaryTrie, key): auto =
t.get(key.toBytesRange)
suite "hexary trie":
setup:
var
db = newMemoryDB()
tr = initHexaryTrie(db)
test "ref-counted keys crash":
proc addKey(intKey: int) =
var key = newSeqWith(20, 0.byte)
key[19] = byte(intKey)
var data = newSeqWith(29, 1.byte)
var k = key.toRange
let v = tr.get(k)
doAssert(v.len == 0)
tr.put(k, toRange(data))
addKey(166)
addKey(193)
addKey(7)
addKey(101)
addKey(159)
addKey(187)
addKey(206)
addKey(242)
addKey(94)
addKey(171)
addKey(14)
addKey(143)
addKey(237)
addKey(148)
addKey(181)
addKey(147)
addKey(45)
addKey(81)
addKey(77)
addKey(123)
addKey(35)
addKey(24)
addKey(188)
addKey(136)
const genesisAccounts = "tests/cases/mainnet-genesis-accounts.txt"
if fileExists(genesisAccounts):
# This test is optional because it takes a while to run and the
# verification is already being part of Nimbus (see genesis.nim).
#
# On the other hand, it's useful to be able to debug just the trie
# code if problems arise. You can download the genesis-accounts file
# using the the following command at the root at the repo:
#
# wget https://gist.github.com/zah/f3a7d325a71d35df3c2606af05d30910/raw/d8bf8fed3d2760f0054cebf4de254a0564a87322/mainnet-genesis-accounts.txt -P tests/cases
test "genesis hash":
for line in lines(genesisAccounts):
var parts = line.split(" ")
var
key = fromHex(parts[0])
val = fromHex(parts[1])
SecureHexaryTrie(tr).put(key.toRange, val.toRange)
check tr.rootHashHex == "D7F8974FB5AC78D9AC099B9AD5018BEDC2CE0A72DAD1827A1709DA30580F0544"
# lexicographic comparison
proc lexComp(a, b: BytesRange): bool =
var
x = 0
y = 0
xlen = a.len
ylen = b.len
while x != xlen:
if y == ylen or b[y] < a[x]: return false
elif a[x] < b[y]: return true
inc x
inc y
result = y != ylen
proc cmp(a, b: BytesRange): int =
if a == b: return 0
if a.lexComp(b): return 1
return -1
test "get values and keys":
randomize()
var
memdb = newMemoryDB()
trie = initHexaryTrie(memdb)
keys = [
"key".toBytesRange,
"abc".toBytesRange,
"hola".toBytesRange,
"bubble".toBytesRange
]
vals = [
"hello".toBytesRange,
"world".toBytesRange,
"block".toBytesRange,
"chain".toBytesRange
]
for i in 0 ..< keys.len:
trie.put(keys[i], vals[i])
var values = trie.getValues()
values.sort(cmp)
vals.sort(cmp)
check values == vals
var paths = trie.getKeys()
paths.sort(cmp)
keys.sort(cmp)
check paths == keys
paths.setLen(0)
for k in trie.keys:
paths.add(k)
paths.sort(cmp)
keys.sort(cmp)
check paths == keys
values.setLen(0)
paths.setLen(0)
for k, v in trie:
paths.add k
values.add v
paths.sort(cmp)
values.sort(cmp)
check paths == keys
check values == vals
test "get values and keys with random data":
var
memdb = newMemoryDB()
trie = initHexaryTrie(memdb)
keys = randList(BytesRange, randGen(5, 32), randGen(10))
vals = randList(BytesRange, randGen(5, 7), randGen(10))
keys2 = randList(BytesRange, randGen(5, 30), randGen(15))
vals2 = randList(BytesRange, randGen(5, 7), randGen(15))
for i in 0 ..< keys.len:
trie.put(keys[i], vals[i])
for i in 0 ..< keys.len:
check trie.get(keys[i]) == vals[i]
var values = trie.getValues()
values.sort(cmp)
vals.sort(cmp)
check values == vals
let rootHash = trie.rootHash
for i in 0 ..< keys2.len:
trie.put(keys2[i], vals2[i])
var trie2 = initHexaryTrie(memdb, rootHash)
# because of pruning, equality become uncertain
values = trie2.getValues()
values.sort(cmp)
let
cmpResultA = values != vals
cmpResultB = values == vals
check cmpResultB or cmpResultA
var values2 = trie.getValues()
vals2.add vals
values2.sort(cmp)
vals2.sort(cmp)
check values2 == vals2
values2.setLen(0)
for k in trie.values:
values2.add(k)
values2.sort(cmp)
check values2 == vals2
var paths = trie.getKeys()
paths.sort(cmp)
keys2.add keys
keys2.sort(cmp)
check paths == keys2
paths.setLen(0)
for k in trie.keys:
paths.add(k)
paths.sort(cmp)
check paths == keys2
values.setLen(0)
paths.setLen(0)
for k, v in trie:
paths.add k
values.add v
paths.sort(cmp)
values.sort(cmp)
check paths == keys2
check values == vals2
test "non-pruning mode":
var
memdb = newMemoryDB()
nonPruningTrie = initHexaryTrie(memdb, false)
keys = randList(BytesRange, randGen(5, 77), randGen(30))
vals = randList(BytesRange, randGen(1, 57), randGen(30))
moreKeys = randList(BytesRange, randGen(5, 33), randGen(45))
moreVals = randList(BytesRange, randGen(1, 47), randGen(45))
for i in 0 ..< keys.len:
nonPruningTrie.put(keys[i], vals[i])
let rootHash = nonPruningTrie.rootHash
for i in 0 ..< moreKeys.len:
nonPruningTrie.put(moreKeys[i], moreVals[i])
var
readOnlyTrie = initHexaryTrie(memdb, rootHash)
secondaryTrie = initHexaryTrie(memdb, rootHash, false)
keys.sort(cmp)
vals.sort(cmp)
var
roKeys = readOnlyTrie.getKeys()
roValues = readOnlyTrie.getValues()
scKeys = secondaryTrie.getKeys()
scValues = secondaryTrie.getValues()
roKeys.sort(cmp)
roValues.sort(cmp)
scKeys.sort(cmp)
scValues.sort(cmp)
check keys == roKeys
check vals == roValues
check keys == scKeys
check vals == scValues
test "elaborate non-pruning test":
type
History = object
keys: seq[BytesRange]
values: seq[BytesRange]
rootHash: KeccakHash
const
listLength = 30
numLoop = 100
for iteration in 0 ..< numLoop:
var
memdb = newMemoryDB()
nonPruningTrie = initHexaryTrie(memdb, false)
keys = randList(BytesRange, randGen(3, 33), randGen(listLength))
values = randList(BytesRange, randGen(5, 77), randGen(listLength))
historyList = newSeq[History](listLength)
ok = true
for i, k in keys:
historyList[i].keys = newSeq[BytesRange](i + 1)
historyList[i].values = newSeq[BytesRange](i + 1)
for x in 0 ..< i + 1:
historyList[i].keys[x] = keys[x]
historyList[i].values[x] = values[x]
nonPruningTrie.put(keys[i], values[i])
historyList[i].rootHash = nonPruningTrie.rootHash
historyList[i].keys.sort(cmp)
historyList[i].values.sort(cmp)
for h in historyList:
var
trie = initHexaryTrie(memdb, h.rootHash)
pKeys: seq[BytesRange] = @[]
pValues = trie.getValues()
for k in trie.keys:
pKeys.add k
pKeys.sort(cmp)
pValues.sort(cmp)
check pKeys.len == h.keys.len
check pValues.len == h.values.len
check pKeys == h.keys
check pValues == h.values
ok = ok and pKeys.len == h.keys.len
ok = ok and pValues.len == h.values.len
ok = ok and pKeys == h.keys
ok = ok and pValues == h.values
if not ok: break
if not ok:
echo "ITERATION: ", iteration
break
proc isValidBranch(branch: seq[BytesRange], rootHash: KeccakHash, key, value: BytesRange): bool =
# branch must not be empty
doAssert(branch.len != 0)
var db = newMemoryDB()
for node in branch:
doAssert(node.len != 0)
let nodeHash = hexary.keccak(node)
db.put(nodeHash.data, node.toOpenArray)
var trie = initHexaryTrie(db, rootHash)
result = trie.get(key) == toRange(value)
test "get branch with pruning trie":
var
memdb = newMemoryDB()
trie = initHexaryTrie(memdb)
keys = randList(BytesRange, randGen(5, 77), randGen(30))
vals = randList(BytesRange, randGen(1, 57), randGen(30))
for i in 0 ..< keys.len:
trie.put(keys[i], vals[i])
for i in 0 ..< keys.len:
var branch = trie.getBranch(keys[i])
check isValidBranch(branch, trie.rootHash, keys[i], vals[i])
test "get branch with non pruning trie":
const
numKeyVal = 30
var
memdb = newMemoryDB()
nonPruningTrie = initHexaryTrie(memdb, false)
keys = randList(BytesRange, randGen(5, 77), randGen(numKeyVal))
vals = randList(BytesRange, randGen(1, 57), randGen(numKeyVal))
roots = newSeq[KeccakHash](numKeyVal)
for i in 0 ..< keys.len:
nonPruningTrie.put(keys[i], vals[i])
roots[i] = nonPruningTrie.rootHash
for i in 0 ..< keys.len:
var trie = initHexaryTrie(memdb, roots[i], false)
for x in 0 ..< i+1:
var branch = trie.getBranch(keys[x])
check isValidBranch(branch, trie.rootHash, keys[x], vals[x])
test "isPruning getter":
var
memdb = newMemoryDB()
nonPruningTrie = initHexaryTrie(memdb, false)
pruningTrie = initHexaryTrie(memdb, true)
nonPruningSecureTrie = initSecureHexaryTrie(memdb, false)
pruningSecureTrie = initSecureHexaryTrie(memdb, true)
check nonPruningTrie.isPruning == false
check pruningTrie.isPruning == true
check nonPruningSecureTRie.isPruning == false
check pruningSecureTRie.isPruning == true