89 lines
2.9 KiB
Nim
89 lines
2.9 KiB
Nim
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import
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unittest2, os, json, strutils,
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eth/[common, rlp], eth/trie/[hexary, db, trie_defs],
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stew/byteutils,
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../tests/test_helpers,
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../nimbus/db/accounts_cache,
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../stateless/witness_from_tree
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type
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Tester = object
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address: seq[EthAddress]
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memDB: TrieDatabaseRef
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proc isValidBranch(branch: openArray[seq[byte]], rootHash: KeccakHash, key, value: openArray[byte]): bool =
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# branch must not be empty
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doAssert(branch.len != 0)
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var db = newMemoryDB()
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for node in branch:
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doAssert(node.len != 0)
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let nodeHash = hexary.keccak(node)
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db.put(nodeHash.data, node)
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var trie = initHexaryTrie(db, rootHash)
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result = trie.get(key) == value
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proc testGetBranch(tester: Tester, rootHash: KeccakHash, testStatusIMPL: var TestStatus) =
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var trie = initHexaryTrie(tester.memdb, rootHash)
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var wb = initWitnessBuilder(tester.memdb, rootHash)
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for address in tester.address:
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var recurseBranch = wb.getBranchRecurse(address)
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var stackBranch = wb.getBranchStack(address)
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check recurseBranch == stackBranch
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var branch = wb.getBranch(address)
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let account = trie.get(address)
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check isValidBranch(branch, trie.rootHash, address, account)
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func parseHash256(n: JsonNode, name: string): Hash256 =
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hexToByteArray(n[name].getStr(), result.data)
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proc setupStateDB(tester: var Tester, wantedState: JsonNode, stateDB: var AccountsCache): Hash256 =
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for ac, accountData in wantedState:
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let account = ethAddressFromHex(ac)
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tester.address.add(account)
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for slot, value in accountData{"storage"}:
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stateDB.setStorage(account, fromHex(UInt256, slot), fromHex(UInt256, value.getStr))
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let nonce = accountData{"nonce"}.getHexadecimalInt.AccountNonce
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let code = accountData{"code"}.getStr.safeHexToSeqByte
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let balance = UInt256.fromHex accountData{"balance"}.getStr
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stateDB.setNonce(account, nonce)
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stateDB.setCode(account, code)
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stateDB.setBalance(account, balance)
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stateDB.persist()
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result = stateDB.rootHash
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proc testBlockWitness(node: JsonNode, rootHash: Hash256, testStatusIMPL: var TestStatus) =
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var
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tester = Tester(memDB: newMemoryDB())
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ac = AccountsCache.init(tester.memDB, emptyRlpHash, true)
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let root = tester.setupStateDB(node, ac)
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if rootHash != emptyRlpHash:
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check root == rootHash
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tester.testGetBranch(root, testStatusIMPL)
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proc testFixtureBC(node: JsonNode, testStatusIMPL: var TestStatus) =
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for fixtureName, fixture in node:
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let rootHash = parseHash256(fixture["genesisBlockHeader"], "stateRoot")
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fixture["pre"].testBlockWitness(rootHash, testStatusIMPL)
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proc testFixtureGST(node: JsonNode, testStatusIMPL: var TestStatus) =
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var fixture: JsonNode
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for fixtureName, child in node:
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fixture = child
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break
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fixture["pre"].testBlockWitness(emptyRlpHash, testStatusIMPL)
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#suite "Block Witness":
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#jsonTest("newBlockChainTests", testFixtureBC)
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suite "Block Witness":
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jsonTest("GeneralStateTests", testFixtureGST)
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