mirror of
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15bca8493b
By design we can have more and more and more gaps in indexes list so far as we can not re-sign expired transaction of asset-unlock. CRangesList is protected from this situation
505 lines
21 KiB
Python
Executable File
505 lines
21 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2022 The Dash Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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import copy
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import struct
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from decimal import Decimal
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from io import BytesIO
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from test_framework.blocktools import (
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create_block,
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create_coinbase,
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)
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from test_framework.authproxy import JSONRPCException
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from test_framework.key import ECKey
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from test_framework.messages import (
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CAssetLockTx,
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CAssetUnlockTx,
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COIN,
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COutPoint,
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CTransaction,
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CTxIn,
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CTxOut,
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FromHex,
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hash256,
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ser_string,
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)
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from test_framework.script import (
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CScript,
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OP_CHECKSIG,
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OP_DUP,
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OP_EQUALVERIFY,
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OP_HASH160,
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OP_RETURN,
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hash160,
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)
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from test_framework.test_framework import DashTestFramework
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from test_framework.util import (
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assert_equal,
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assert_greater_than,
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assert_greater_than_or_equal,
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)
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llmq_type_test = 100
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tiny_amount = int(Decimal("0.0007") * COIN)
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blocks_in_one_day = 576
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class AssetLocksTest(DashTestFramework):
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def set_test_params(self):
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self.set_dash_test_params(5, 3)
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def skip_test_if_missing_module(self):
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self.skip_if_no_wallet()
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def create_assetlock(self, coin, amount, pubkey):
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node_wallet = self.nodes[0]
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inputs = [CTxIn(COutPoint(int(coin["txid"], 16), coin["vout"]))]
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credit_outputs = CTxOut(amount, CScript([OP_DUP, OP_HASH160, hash160(pubkey), OP_EQUALVERIFY, OP_CHECKSIG]))
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lockTx_payload = CAssetLockTx(1, [credit_outputs])
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remaining = int(COIN * coin['amount']) - tiny_amount - credit_outputs.nValue
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tx_output_ret = CTxOut(credit_outputs.nValue, CScript([OP_RETURN, b""]))
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tx_output = CTxOut(remaining, CScript([pubkey, OP_CHECKSIG]))
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lock_tx = CTransaction()
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lock_tx.vin = inputs
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lock_tx.vout = [tx_output, tx_output_ret] if remaining > 0 else [tx_output_ret]
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lock_tx.nVersion = 3
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lock_tx.nType = 8 # asset lock type
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lock_tx.vExtraPayload = lockTx_payload.serialize()
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lock_tx = node_wallet.signrawtransactionwithwallet(lock_tx.serialize().hex())
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self.log.info(f"next tx: {lock_tx} payload: {lockTx_payload}")
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return FromHex(CTransaction(), lock_tx["hex"])
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def create_assetunlock(self, index, withdrawal, pubkey=None, fee=tiny_amount):
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node_wallet = self.nodes[0]
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mninfo = self.mninfo
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assert_greater_than(int(withdrawal), fee)
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tx_output = CTxOut(int(withdrawal) - fee, CScript([pubkey, OP_CHECKSIG]))
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# request ID = sha256("plwdtx", index)
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request_id_buf = ser_string(b"plwdtx") + struct.pack("<Q", index)
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request_id = hash256(request_id_buf)[::-1].hex()
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height = node_wallet.getblockcount()
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quorumHash = mninfo[0].node.quorum("selectquorum", llmq_type_test, request_id)["quorumHash"]
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unlockTx_payload = CAssetUnlockTx(
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version = 1,
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index = index,
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fee = fee,
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requestedHeight = height,
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quorumHash = int(quorumHash, 16),
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quorumSig = b'\00' * 96)
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unlock_tx = CTransaction()
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unlock_tx.vin = []
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unlock_tx.vout = [tx_output]
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unlock_tx.nVersion = 3
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unlock_tx.nType = 9 # asset unlock type
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unlock_tx.vExtraPayload = unlockTx_payload.serialize()
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unlock_tx.calc_sha256()
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msgHash = format(unlock_tx.sha256, '064x')
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recsig = self.get_recovered_sig(request_id, msgHash, llmq_type=llmq_type_test)
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unlockTx_payload.quorumSig = bytearray.fromhex(recsig["sig"])
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unlock_tx.vExtraPayload = unlockTx_payload.serialize()
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return unlock_tx
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def get_credit_pool_balance(self, node = None, block_hash = None):
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if node is None:
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node = self.nodes[0]
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if block_hash is None:
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block_hash = node.getbestblockhash()
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block = node.getblock(block_hash)
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return int(COIN * block['cbTx']['creditPoolBalance'])
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def validate_credit_pool_balance(self, expected = None, block_hash = None):
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for node in self.nodes:
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locked = self.get_credit_pool_balance(node=node, block_hash=block_hash)
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if expected is None:
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expected = locked
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else:
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assert_equal(expected, locked)
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self.log.info(f"Credit pool amount matched with '{expected}'")
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return expected
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def check_mempool_size(self):
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self.sync_mempools()
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for node in self.nodes:
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assert_equal(node.getmempoolinfo()['size'], self.mempool_size)
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def check_mempool_result(self, result_expected, tx):
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"""Wrapper to check result of testmempoolaccept on node_0's mempool"""
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result_expected['txid'] = tx.rehash()
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result_test = self.nodes[0].testmempoolaccept([tx.serialize().hex()])
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assert_equal([result_expected], result_test)
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self.check_mempool_size()
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def create_and_check_block(self, txes, expected_error = None):
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node_wallet = self.nodes[0]
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best_block_hash = node_wallet.getbestblockhash()
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best_block = node_wallet.getblock(best_block_hash)
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tip = int(best_block_hash, 16)
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height = best_block["height"] + 1
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block_time = best_block["time"] + 1
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cbb = create_coinbase(height, dip4_activated=True, v20_activated=True)
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cbb.calc_sha256()
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block = create_block(tip, cbb, block_time, version=4)
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for tx in txes:
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block.vtx.append(tx)
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block.hashMerkleRoot = block.calc_merkle_root()
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block.solve()
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result = node_wallet.submitblock(block.serialize().hex())
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if result != expected_error:
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raise AssertionError('mining the block should have failed with error %s, but submitblock returned %s' % (expected_error, result))
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def set_sporks(self):
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spork_enabled = 0
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spork_disabled = 4070908800
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self.nodes[0].sporkupdate("SPORK_17_QUORUM_DKG_ENABLED", spork_enabled)
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self.nodes[0].sporkupdate("SPORK_19_CHAINLOCKS_ENABLED", spork_disabled)
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self.nodes[0].sporkupdate("SPORK_3_INSTANTSEND_BLOCK_FILTERING", spork_disabled)
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self.nodes[0].sporkupdate("SPORK_2_INSTANTSEND_ENABLED", spork_disabled)
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self.wait_for_sporks_same()
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def ensure_tx_is_not_mined(self, tx_id):
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try:
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for node in self.nodes:
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node.gettransaction(tx_id)
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raise AssertionError("Transaction should not be mined")
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except JSONRPCException as e:
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assert "Invalid or non-wallet transaction id" in e.error['message']
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def send_tx_simple(self, tx):
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return self.nodes[0].sendrawtransaction(hexstring=tx.serialize().hex(), maxfeerate=0)
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def send_tx(self, tx, expected_error = None, reason = None):
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try:
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self.log.info(f"Send tx with expected_error:'{expected_error}'...")
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tx_res = self.send_tx_simple(tx)
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if expected_error is None:
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self.sync_mempools()
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return tx_res
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# failure didn't happen, but expected:
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message = "Transaction should not be accepted"
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if reason is not None:
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message += ": " + reason
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raise AssertionError(message)
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except JSONRPCException as e:
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assert expected_error in e.error['message']
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def slowly_generate_batch(self, amount):
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self.log.info(f"Slowly generate {amount} blocks")
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while amount > 0:
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self.log.info(f"Generating batch of blocks {amount} left")
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next = min(10, amount)
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amount -= next
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self.bump_mocktime(next)
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self.nodes[1].generate(next)
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self.sync_all()
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def run_test(self):
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node_wallet = self.nodes[0]
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node = self.nodes[1]
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self.set_sporks()
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self.activate_v20()
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self.mempool_size = 0
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key = ECKey()
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key.generate()
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pubkey = key.get_pubkey().get_bytes()
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self.log.info("Testing asset lock...")
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locked_1 = 10 * COIN + 141421
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locked_2 = 10 * COIN + 314159
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coins = node_wallet.listunspent()
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coin = None
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while coin is None or COIN * coin['amount'] < locked_2:
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coin = coins.pop()
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asset_lock_tx = self.create_assetlock(coin, locked_1, pubkey)
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self.check_mempool_result(tx=asset_lock_tx, result_expected={'allowed': True})
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self.validate_credit_pool_balance(0)
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txid_in_block = self.send_tx(asset_lock_tx)
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self.validate_credit_pool_balance(0)
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node.generate(1)
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assert_equal(self.get_credit_pool_balance(node=node_wallet), 0)
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assert_equal(self.get_credit_pool_balance(node=node), locked_1)
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self.log.info("Generate a number of blocks to ensure this is the longest chain for later in the test when we reconsiderblock")
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node.generate(12)
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self.sync_all()
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self.validate_credit_pool_balance(locked_1)
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# tx is mined, let's get blockhash
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self.log.info("Invalidate block with asset lock tx...")
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block_hash_1 = node_wallet.gettransaction(txid_in_block)['blockhash']
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for inode in self.nodes:
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inode.invalidateblock(block_hash_1)
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assert_equal(self.get_credit_pool_balance(node=inode), 0)
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node.generate(3)
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self.sync_all()
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self.validate_credit_pool_balance(0)
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self.log.info("Resubmit asset lock tx to new chain...")
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# NEW tx appears
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asset_lock_tx_2 = self.create_assetlock(coin, locked_2, pubkey)
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txid_in_block = self.send_tx(asset_lock_tx_2)
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node.generate(1)
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self.sync_all()
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self.validate_credit_pool_balance(locked_2)
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self.log.info("Reconsider old blocks...")
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for inode in self.nodes:
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inode.reconsiderblock(block_hash_1)
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self.validate_credit_pool_balance(locked_1)
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self.sync_all()
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self.log.info('Mine block with incorrect credit-pool value...')
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extra_lock_tx = self.create_assetlock(coin, COIN, pubkey)
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self.create_and_check_block([extra_lock_tx], expected_error = 'bad-cbtx-assetlocked-amount')
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self.log.info("Mine a quorum...")
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self.mine_quorum()
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self.validate_credit_pool_balance(locked_1)
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self.log.info("Testing asset unlock...")
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self.log.info("Generating several txes by same quorum....")
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self.validate_credit_pool_balance(locked_1)
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asset_unlock_tx = self.create_assetunlock(101, COIN, pubkey)
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asset_unlock_tx_late = self.create_assetunlock(102, COIN, pubkey)
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asset_unlock_tx_too_late = self.create_assetunlock(103, COIN, pubkey)
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asset_unlock_tx_too_big_fee = self.create_assetunlock(104, COIN, pubkey, fee=int(Decimal("0.1") * COIN))
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asset_unlock_tx_zero_fee = self.create_assetunlock(105, COIN, pubkey, fee=0)
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asset_unlock_tx_duplicate_index = copy.deepcopy(asset_unlock_tx)
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asset_unlock_tx_duplicate_index.vout[0].nValue += COIN
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too_late_height = node.getblock(node.getbestblockhash())["height"] + 48
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self.check_mempool_result(tx=asset_unlock_tx, result_expected={'allowed': True})
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self.check_mempool_result(tx=asset_unlock_tx_too_big_fee,
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result_expected={'allowed': False, 'reject-reason' : 'absurdly-high-fee'})
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self.check_mempool_result(tx=asset_unlock_tx_zero_fee,
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result_expected={'allowed': False, 'reject-reason' : 'bad-txns-assetunlock-fee-outofrange'})
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# not-verified is a correct faiure from mempool. Mempool knows nothing about CreditPool indexes and he just report that signature is not validated
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self.check_mempool_result(tx=asset_unlock_tx_duplicate_index,
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result_expected={'allowed': False, 'reject-reason' : 'bad-assetunlock-not-verified'})
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self.log.info("Validating that we calculate payload hash correctly: ask quorum forcely by message hash...")
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asset_unlock_tx_payload = CAssetUnlockTx()
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asset_unlock_tx_payload.deserialize(BytesIO(asset_unlock_tx.vExtraPayload))
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assert_equal(asset_unlock_tx_payload.quorumHash, int(self.mninfo[0].node.quorum("selectquorum", llmq_type_test, 'e6c7a809d79f78ea85b72d5df7e9bd592aecf151e679d6e976b74f053a7f9056')["quorumHash"], 16))
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self.send_tx(asset_unlock_tx)
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self.mempool_size += 1
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self.check_mempool_size()
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self.validate_credit_pool_balance(locked_1)
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node.generate(1)
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self.sync_all()
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self.validate_credit_pool_balance(locked_1 - COIN)
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self.mempool_size -= 1
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self.check_mempool_size()
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block_asset_unlock = node.getrawtransaction(asset_unlock_tx.rehash(), 1)['blockhash']
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self.send_tx(asset_unlock_tx,
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expected_error = "Transaction already in block chain",
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reason = "double copy")
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self.check_mempool_result(tx=asset_unlock_tx_duplicate_index,
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result_expected={'allowed': False, 'reject-reason' : 'bad-assetunlock-duplicated-index'})
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self.send_tx(asset_unlock_tx_duplicate_index,
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expected_error = "bad-assetunlock-duplicated-index",
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reason = "double index")
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self.log.info("Mining next quorum to check tx 'asset_unlock_tx_late' is still valid...")
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self.mine_quorum()
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self.log.info("Checking credit pool amount is same...")
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self.validate_credit_pool_balance(locked_1 - 1 * COIN)
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self.check_mempool_result(tx=asset_unlock_tx_late, result_expected={'allowed': True})
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self.log.info("Checking credit pool amount still is same...")
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self.validate_credit_pool_balance(locked_1 - 1 * COIN)
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self.send_tx(asset_unlock_tx_late)
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node.generate(1)
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self.sync_all()
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self.validate_credit_pool_balance(locked_1 - 2 * COIN)
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self.log.info("Generating many blocks to make quorum far behind (even still active)...")
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self.slowly_generate_batch(too_late_height - node.getblock(node.getbestblockhash())["height"] - 1)
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self.check_mempool_result(tx=asset_unlock_tx_too_late, result_expected={'allowed': True})
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node.generate(1)
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self.sync_all()
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self.check_mempool_result(tx=asset_unlock_tx_too_late,
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result_expected={'allowed': False, 'reject-reason' : 'bad-assetunlock-too-late'})
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self.log.info("Checking that two quorums later it is too late because quorum is not active...")
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self.mine_quorum()
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self.log.info("Expecting new reject-reason...")
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self.check_mempool_result(tx=asset_unlock_tx_too_late,
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result_expected={'allowed': False, 'reject-reason' : 'bad-assetunlock-not-active-quorum'})
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block_to_reconsider = node.getbestblockhash()
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self.log.info("Test block invalidation with asset unlock tx...")
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for inode in self.nodes:
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inode.invalidateblock(block_asset_unlock)
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self.validate_credit_pool_balance(locked_1)
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self.slowly_generate_batch(50)
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self.validate_credit_pool_balance(locked_1)
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for inode in self.nodes:
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inode.reconsiderblock(block_to_reconsider)
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self.validate_credit_pool_balance(locked_1 - 2 * COIN)
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self.log.info("Forcibly mining asset_unlock_tx_too_late and ensure block is invalid...")
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self.create_and_check_block([asset_unlock_tx_too_late], expected_error = "bad-assetunlock-not-active-quorum")
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node.generate(1)
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self.sync_all()
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self.validate_credit_pool_balance(locked_1 - 2 * COIN)
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self.validate_credit_pool_balance(block_hash=block_hash_1, expected=locked_1)
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self.log.info("Checking too big withdrawal... expected to not be mined")
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asset_unlock_tx_full = self.create_assetunlock(201, 1 + self.get_credit_pool_balance(), pubkey)
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self.log.info("Checking that transaction with exceeding amount accepted by mempool...")
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# Mempool doesn't know about the size of the credit pool
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self.check_mempool_result(tx=asset_unlock_tx_full, result_expected={'allowed': True })
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txid_in_block = self.send_tx(asset_unlock_tx_full)
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node.generate(1)
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self.sync_all()
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self.ensure_tx_is_not_mined(txid_in_block)
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self.log.info("Forcibly mine asset_unlock_tx_full and ensure block is invalid...")
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self.create_and_check_block([asset_unlock_tx_full], expected_error = "failed-creditpool-unlock-too-much")
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self.mempool_size += 1
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asset_unlock_tx_full = self.create_assetunlock(301, self.get_credit_pool_balance(), pubkey)
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self.check_mempool_result(tx=asset_unlock_tx_full, result_expected={'allowed': True })
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txid_in_block = self.send_tx(asset_unlock_tx_full)
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node.generate(1)
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self.sync_all()
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self.log.info("Check txid_in_block was mined...")
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block = node.getblock(node.getbestblockhash())
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assert txid_in_block in block['tx']
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self.validate_credit_pool_balance(0)
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self.log.info("After many blocks duplicated tx still should not be mined")
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self.send_tx(asset_unlock_tx_duplicate_index,
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expected_error = "bad-assetunlock-duplicated-index",
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reason = "double index")
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self.log.info("Forcibly mine asset_unlock_tx_full and ensure block is invalid...")
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self.create_and_check_block([asset_unlock_tx_duplicate_index], expected_error = "bad-assetunlock-duplicated-index")
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self.log.info("Fast forward to the next day to reset all current unlock limits...")
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self.slowly_generate_batch(blocks_in_one_day + 1)
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self.mine_quorum()
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total = self.get_credit_pool_balance()
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while total <= 10_900 * COIN:
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|
self.log.info(f"Collecting coins in pool... Collected {total}/{10_900 * COIN}")
|
|
coin = coins.pop()
|
|
to_lock = int(coin['amount'] * COIN) - tiny_amount
|
|
if to_lock > 50 * COIN:
|
|
to_lock = 50 * COIN
|
|
total += to_lock
|
|
tx = self.create_assetlock(coin, to_lock, pubkey)
|
|
self.send_tx_simple(tx)
|
|
self.sync_mempools()
|
|
node.generate(1)
|
|
self.sync_all()
|
|
credit_pool_balance_1 = self.get_credit_pool_balance()
|
|
assert_greater_than(credit_pool_balance_1, 10_900 * COIN)
|
|
limit_amount_1 = 1000 * COIN
|
|
# take most of limit by one big tx for faster testing and
|
|
# create several tiny withdrawal with exactly 1 *invalid* / causes spend above limit tx
|
|
withdrawals = [600 * COIN, 131 * COIN, 131 * COIN, 131 * COIN, 131 * COIN]
|
|
amount_to_withdraw_1 = sum(withdrawals)
|
|
index = 400
|
|
for next_amount in withdrawals:
|
|
index += 1
|
|
asset_unlock_tx = self.create_assetunlock(index, next_amount, pubkey)
|
|
self.send_tx_simple(asset_unlock_tx)
|
|
if index == 401:
|
|
self.sync_mempools()
|
|
node.generate(1)
|
|
|
|
self.sync_mempools()
|
|
node.generate(1)
|
|
self.sync_all()
|
|
|
|
new_total = self.get_credit_pool_balance()
|
|
amount_actually_withdrawn = total - new_total
|
|
block = node.getblock(node.getbestblockhash())
|
|
self.log.info("Testing that we tried to withdraw more than we could...")
|
|
assert_greater_than(amount_to_withdraw_1, amount_actually_withdrawn)
|
|
self.log.info("Checking that we tried to withdraw more than the limit...")
|
|
assert_greater_than(amount_to_withdraw_1, limit_amount_1)
|
|
self.log.info("Checking we didn't actually withdraw more than allowed by the limit...")
|
|
assert_greater_than_or_equal(limit_amount_1, amount_actually_withdrawn)
|
|
assert_equal(amount_actually_withdrawn, 993 * COIN)
|
|
node.generate(1)
|
|
self.sync_all()
|
|
self.log.info("Checking that exactly 1 tx stayed in mempool...")
|
|
self.mempool_size = 1
|
|
self.check_mempool_size()
|
|
|
|
assert_equal(new_total, self.get_credit_pool_balance())
|
|
self.log.info("Fast forward to next day again...")
|
|
self.slowly_generate_batch(blocks_in_one_day - 2)
|
|
self.log.info("Checking mempool is empty now...")
|
|
self.mempool_size = 0
|
|
self.check_mempool_size()
|
|
|
|
self.log.info("Creating new asset-unlock tx. It should be mined exactly 1 block after")
|
|
credit_pool_balance_2 = self.get_credit_pool_balance()
|
|
limit_amount_2 = credit_pool_balance_2 // 10
|
|
index += 1
|
|
asset_unlock_tx = self.create_assetunlock(index, limit_amount_2, pubkey)
|
|
self.send_tx(asset_unlock_tx)
|
|
node.generate(1)
|
|
self.sync_all()
|
|
assert_equal(new_total, self.get_credit_pool_balance())
|
|
node.generate(1)
|
|
self.sync_all()
|
|
new_total -= limit_amount_2
|
|
assert_equal(new_total, self.get_credit_pool_balance())
|
|
self.log.info("Trying to withdraw more... expecting to fail")
|
|
index += 1
|
|
asset_unlock_tx = self.create_assetunlock(index, COIN * 100, pubkey)
|
|
self.send_tx(asset_unlock_tx)
|
|
node.generate(1)
|
|
self.sync_all()
|
|
|
|
self.log.info("generate many blocks to be sure that mempool is empty afterwards...")
|
|
self.slowly_generate_batch(60)
|
|
self.log.info("Checking that credit pool is not changed...")
|
|
assert_equal(new_total, self.get_credit_pool_balance())
|
|
self.check_mempool_size()
|
|
|
|
if __name__ == '__main__':
|
|
AssetLocksTest().main()
|