dash/test/functional/feature_asset_locks.py
Konstantin Akimov 4c57ad1c05
chore: increase batch size from 10 to 50 for faster block generation in functional tests
It significantly improve speed of forks activation because reduces overhead for block generations
Bigger batch size can cause time-outs for RPC for tsan job (time-out is 30 seconds)
2024-09-24 01:24:47 +07:00

661 lines
30 KiB
Python
Executable File

#!/usr/bin/env python3
# Copyright (c) 2022-2024 The Dash Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
import copy
import struct
from decimal import Decimal
from io import BytesIO
from test_framework.blocktools import (
create_block,
create_coinbase,
)
from test_framework.authproxy import JSONRPCException
from test_framework.key import ECKey
from test_framework.messages import (
CAssetLockTx,
CAssetUnlockTx,
COIN,
COutPoint,
CTransaction,
CTxIn,
CTxOut,
tx_from_hex,
hash256,
ser_string,
)
from test_framework.script import (
CScript,
OP_CHECKSIG,
OP_RETURN,
)
from test_framework.script_util import key_to_p2pkh_script
from test_framework.test_framework import DashTestFramework
from test_framework.util import (
assert_equal,
assert_greater_than,
assert_greater_than_or_equal,
)
from test_framework.wallet_util import bytes_to_wif
llmq_type_test = 106 # LLMQType::LLMQ_TEST_PLATFORM
tiny_amount = int(Decimal("0.0007") * COIN)
blocks_in_one_day = 576
class AssetLocksTest(DashTestFramework):
def set_test_params(self):
self.set_dash_test_params(4, 2, [["-whitelist=127.0.0.1", "-llmqtestinstantsenddip0024=llmq_test_instantsend"]] * 4, evo_count=2)
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
def create_assetlock(self, coin, amount, pubkey):
node_wallet = self.nodes[0]
inputs = [CTxIn(COutPoint(int(coin["txid"], 16), coin["vout"]))]
credit_outputs = []
tmp_amount = amount
if tmp_amount > COIN:
tmp_amount -= COIN
credit_outputs.append(CTxOut(COIN, key_to_p2pkh_script(pubkey)))
credit_outputs.append(CTxOut(tmp_amount, key_to_p2pkh_script(pubkey)))
lockTx_payload = CAssetLockTx(1, credit_outputs)
remaining = int(COIN * coin['amount']) - tiny_amount - amount
tx_output_ret = CTxOut(amount, CScript([OP_RETURN, b""]))
tx_output = CTxOut(remaining, CScript([pubkey, OP_CHECKSIG]))
lock_tx = CTransaction()
lock_tx.vin = inputs
lock_tx.vout = [tx_output, tx_output_ret] if remaining > 0 else [tx_output_ret]
lock_tx.nVersion = 3
lock_tx.nType = 8 # asset lock type
lock_tx.vExtraPayload = lockTx_payload.serialize()
lock_tx = node_wallet.signrawtransactionwithwallet(lock_tx.serialize().hex())
return tx_from_hex(lock_tx["hex"])
def create_assetunlock(self, index, withdrawal, pubkey=None, fee=tiny_amount):
node_wallet = self.nodes[0]
mninfo = self.mninfo
assert_greater_than(int(withdrawal), fee)
tx_output = CTxOut(int(withdrawal) - fee, CScript([pubkey, OP_CHECKSIG]))
# request ID = sha256("plwdtx", index)
request_id_buf = ser_string(b"plwdtx") + struct.pack("<Q", index)
request_id = hash256(request_id_buf)[::-1].hex()
height = node_wallet.getblockcount()
self.log.info(f"Creating asset unlock: {llmq_type_test} {request_id}")
quorumHash = mninfo[0].node.quorum("selectquorum", llmq_type_test, request_id)["quorumHash"]
self.log.info(f"Used quorum hash: {quorumHash}")
unlockTx_payload = CAssetUnlockTx(
version = 1,
index = index,
fee = fee,
requestedHeight = height,
quorumHash = int(quorumHash, 16),
quorumSig = b'\00' * 96)
unlock_tx = CTransaction()
unlock_tx.vin = []
unlock_tx.vout = [tx_output]
unlock_tx.nVersion = 3
unlock_tx.nType = 9 # asset unlock type
unlock_tx.vExtraPayload = unlockTx_payload.serialize()
unlock_tx.calc_sha256()
msgHash = format(unlock_tx.sha256, '064x')
recsig = self.get_recovered_sig(request_id, msgHash, llmq_type=llmq_type_test, use_platformsign=True)
unlockTx_payload.quorumSig = bytearray.fromhex(recsig["sig"])
unlock_tx.vExtraPayload = unlockTx_payload.serialize()
return unlock_tx
def get_credit_pool_balance(self, node = None, block_hash = None):
if node is None:
node = self.nodes[0]
if block_hash is None:
block_hash = node.getbestblockhash()
block = node.getblock(block_hash)
return int(COIN * block['cbTx']['creditPoolBalance'])
def validate_credit_pool_balance(self, expected = None, block_hash = None):
for node in self.nodes:
locked = self.get_credit_pool_balance(node=node, block_hash=block_hash)
if expected is None:
expected = locked
else:
assert_equal(expected, locked)
self.log.info(f"Credit pool amount matched with '{expected}'")
return expected
def check_mempool_size(self):
self.sync_mempools()
for node in self.nodes:
assert_equal(node.getmempoolinfo()['size'], self.mempool_size)
def check_mempool_result(self, result_expected, tx):
"""Wrapper to check result of testmempoolaccept on node_0's mempool"""
result_expected['txid'] = tx.rehash()
if result_expected['allowed']:
result_expected['vsize'] = tx.get_vsize()
result_test = self.nodes[0].testmempoolaccept([tx.serialize().hex()])
assert_equal([result_expected], result_test)
self.check_mempool_size()
def create_and_check_block(self, txes, expected_error = None):
node_wallet = self.nodes[0]
best_block_hash = node_wallet.getbestblockhash()
best_block = node_wallet.getblock(best_block_hash)
tip = int(best_block_hash, 16)
height = best_block["height"] + 1
block_time = best_block["time"] + 1
cbb = create_coinbase(height, dip4_activated=True, v20_activated=True)
gbt = node_wallet.getblocktemplate()
cbb.vExtraPayload = bytes.fromhex(gbt["coinbase_payload"])
cbb.rehash()
block = create_block(tip, cbb, block_time, version=4)
# Add quorum commitments from block template
for tx_obj in gbt["transactions"]:
tx = tx_from_hex(tx_obj["data"])
if tx.nType == 6:
block.vtx.append(tx)
for tx in txes:
block.vtx.append(tx)
block.hashMerkleRoot = block.calc_merkle_root()
block.solve()
result = node_wallet.submitblock(block.serialize().hex())
if result != expected_error:
raise AssertionError('mining the block should have failed with error %s, but submitblock returned %s' % (expected_error, result))
def set_sporks(self):
spork_enabled = 0
spork_disabled = 4070908800
self.nodes[0].sporkupdate("SPORK_17_QUORUM_DKG_ENABLED", spork_enabled)
self.nodes[0].sporkupdate("SPORK_19_CHAINLOCKS_ENABLED", spork_disabled)
self.nodes[0].sporkupdate("SPORK_2_INSTANTSEND_ENABLED", spork_disabled)
self.wait_for_sporks_same()
def ensure_tx_is_not_mined(self, tx_id):
try:
for node in self.nodes:
node.gettransaction(tx_id)
raise AssertionError("Transaction should not be mined")
except JSONRPCException as e:
assert "Invalid or non-wallet transaction id" in e.error['message']
def send_tx_simple(self, tx):
return self.nodes[0].sendrawtransaction(hexstring=tx.serialize().hex(), maxfeerate=0)
def send_tx(self, tx, expected_error = None, reason = None):
try:
self.log.info(f"Send tx with expected_error:'{expected_error}'...")
tx_res = self.send_tx_simple(tx)
if expected_error is None:
self.sync_mempools()
return tx_res
# failure didn't happen, but expected:
message = "Transaction should not be accepted"
if reason is not None:
message += ": " + reason
raise AssertionError(message)
except JSONRPCException as e:
assert expected_error in e.error['message']
def generate_batch(self, count):
self.log.info(f"Generate {count} blocks")
while count > 0:
self.log.info(f"Generating batch of blocks {count} left")
batch = min(50, count)
count -= batch
self.bump_mocktime(batch)
self.nodes[1].generate(batch)
self.sync_all()
# This functional test intentionally setup only 2 MN and only 2 Evo nodes
# to ensure that corner case of quorum with minimum amount of nodes as possible
# does not cause any issues in Dash Core
def mine_quorum_2_nodes(self, llmq_type_name, llmq_type):
self.mine_quorum(llmq_type_name=llmq_type_name, expected_members=2, expected_connections=1, expected_contributions=2, expected_commitments=2, llmq_type=llmq_type)
def run_test(self):
node_wallet = self.nodes[0]
node = self.nodes[1]
self.set_sporks()
self.activate_v19(expected_activation_height=900)
self.log.info("Activated v19 at height:" + str(node.getblockcount()))
self.nodes[0].sporkupdate("SPORK_2_INSTANTSEND_ENABLED", 0)
self.wait_for_sporks_same()
self.mine_quorum_2_nodes(llmq_type_name='llmq_test_instantsend', llmq_type=104)
for _ in range(2):
self.dynamically_add_masternode(evo=True)
node.generate(8)
self.sync_blocks()
self.set_sporks()
self.activate_v20()
node.generate(1)
self.sync_all()
self.mempool_size = 0
key = ECKey()
key.generate()
privkey = bytes_to_wif(key.get_bytes())
node_wallet.importprivkey(privkey)
pubkey = key.get_pubkey().get_bytes()
self.test_asset_locks(node_wallet, node, pubkey)
self.test_asset_unlocks(node_wallet, node, pubkey)
self.test_withdrawal_limits(node_wallet, node, pubkey)
self.test_mn_rr(node_wallet, node, pubkey)
def test_asset_locks(self, node_wallet, node, pubkey):
self.log.info("Testing asset lock...")
locked_1 = 10 * COIN + 141421
locked_2 = 10 * COIN + 314159
coins = node_wallet.listunspent(query_options={'minimumAmount': Decimal(str(locked_2 / COIN))})
coin = coins.pop()
asset_lock_tx = self.create_assetlock(coin, locked_1, pubkey)
self.check_mempool_result(tx=asset_lock_tx, result_expected={'allowed': True, 'fees': {'base': Decimal(str(tiny_amount / COIN))}})
self.validate_credit_pool_balance(0)
txid_in_block = self.send_tx(asset_lock_tx)
rpc_tx = node.getrawtransaction(txid_in_block, 1)
assert_equal(len(rpc_tx["assetLockTx"]["creditOutputs"]), 2)
assert_equal(rpc_tx["assetLockTx"]["creditOutputs"][0]["valueSat"] + rpc_tx["assetLockTx"]["creditOutputs"][1]["valueSat"], locked_1)
assert_equal(rpc_tx["assetLockTx"]["creditOutputs"][0]["scriptPubKey"]["hex"], key_to_p2pkh_script(pubkey).hex())
assert_equal(rpc_tx["assetLockTx"]["creditOutputs"][1]["scriptPubKey"]["hex"], key_to_p2pkh_script(pubkey).hex())
self.validate_credit_pool_balance(0)
node.generate(1)
assert_equal(self.get_credit_pool_balance(node=node), locked_1)
self.log.info("Generate a number of blocks to ensure this is the longest chain for later in the test when we reconsiderblock")
node.generate(12)
self.sync_all()
self.validate_credit_pool_balance(locked_1)
# tx is mined, let's get blockhash
self.log.info("Invalidate block with asset lock tx...")
self.block_hash_1 = node_wallet.gettransaction(txid_in_block)['blockhash']
for inode in self.nodes:
inode.invalidateblock(self.block_hash_1)
assert_equal(self.get_credit_pool_balance(node=inode), 0)
node.generate(3)
self.sync_all()
self.validate_credit_pool_balance(0)
self.log.info("Resubmit asset lock tx to new chain...")
# NEW tx appears
asset_lock_tx_2 = self.create_assetlock(coin, locked_2, pubkey)
txid_in_block = self.send_tx(asset_lock_tx_2)
node.generate(1)
self.sync_all()
self.validate_credit_pool_balance(locked_2)
self.log.info("Reconsider old blocks...")
for inode in self.nodes:
inode.reconsiderblock(self.block_hash_1)
self.validate_credit_pool_balance(locked_1)
self.sync_all()
self.log.info('Mine block with incorrect credit-pool value...')
coin = coins.pop()
extra_lock_tx = self.create_assetlock(coin, COIN, pubkey)
self.create_and_check_block([extra_lock_tx], expected_error = 'bad-cbtx-assetlocked-amount')
self.log.info("Mine a quorum...")
self.mine_quorum_2_nodes(llmq_type_name='llmq_test_platform', llmq_type=106)
self.validate_credit_pool_balance(locked_1)
def test_asset_unlocks(self, node_wallet, node, pubkey):
self.log.info("Testing asset unlock...")
self.log.info("Generating several txes by same quorum....")
locked = self.get_credit_pool_balance()
self.validate_credit_pool_balance(locked)
asset_unlock_tx = self.create_assetunlock(101, COIN, pubkey)
asset_unlock_tx_late = self.create_assetunlock(102, COIN, pubkey)
asset_unlock_tx_too_late = self.create_assetunlock(103, COIN, pubkey)
asset_unlock_tx_too_big_fee = self.create_assetunlock(104, COIN, pubkey, fee=int(Decimal("0.1") * COIN))
asset_unlock_tx_zero_fee = self.create_assetunlock(105, COIN, pubkey, fee=0)
asset_unlock_tx_duplicate_index = copy.deepcopy(asset_unlock_tx)
# modify this tx with duplicated index to make a hash of tx different, otherwise tx would be refused too early
asset_unlock_tx_duplicate_index.vout[0].nValue += COIN
too_late_height = node.getblockcount() + 48
self.check_mempool_result(tx=asset_unlock_tx, result_expected={'allowed': True, 'fees': {'base': Decimal(str(tiny_amount / COIN))}})
self.check_mempool_result(tx=asset_unlock_tx_too_big_fee,
result_expected={'allowed': False, 'reject-reason' : 'max-fee-exceeded'})
self.check_mempool_result(tx=asset_unlock_tx_zero_fee,
result_expected={'allowed': False, 'reject-reason' : 'bad-txns-assetunlock-fee-outofrange'})
# not-verified is a correct faiure from mempool. Mempool knows nothing about CreditPool indexes and he just report that signature is not validated
self.check_mempool_result(tx=asset_unlock_tx_duplicate_index,
result_expected={'allowed': False, 'reject-reason' : 'bad-assetunlock-not-verified'})
self.log.info("Validating that we calculate payload hash correctly: ask quorum forcely by message hash...")
asset_unlock_tx_payload = CAssetUnlockTx()
asset_unlock_tx_payload.deserialize(BytesIO(asset_unlock_tx.vExtraPayload))
assert_equal(asset_unlock_tx_payload.quorumHash, int(self.mninfo[0].node.quorum("selectquorum", llmq_type_test, 'e6c7a809d79f78ea85b72d5df7e9bd592aecf151e679d6e976b74f053a7f9056')["quorumHash"], 16))
self.log.info("Test no IS for asset unlock...")
self.nodes[0].sporkupdate("SPORK_2_INSTANTSEND_ENABLED", 0)
self.wait_for_sporks_same()
txid = self.send_tx(asset_unlock_tx)
is_id = node_wallet.sendtoaddress(node_wallet.getnewaddress(), 1)
for node in self.nodes:
self.wait_for_instantlock(is_id, node)
tip = self.nodes[0].getblockcount()
indexes_statuses_no_height = self.nodes[0].getassetunlockstatuses(["101", "102", "300"])
assert_equal([{'index': 101, 'status': 'mempooled'}, {'index': 102, 'status': 'unknown'}, {'index': 300, 'status': 'unknown'}], indexes_statuses_no_height)
indexes_statuses_height = self.nodes[0].getassetunlockstatuses(["101", "102", "300"], tip)
assert_equal([{'index': 101, 'status': 'unknown'}, {'index': 102, 'status': 'unknown'}, {'index': 300, 'status': 'unknown'}], indexes_statuses_height)
rawtx = node.getrawtransaction(txid, 1)
rawtx_is = node.getrawtransaction(is_id, 1)
assert_equal(rawtx["instantlock"], False)
assert_equal(rawtx_is["instantlock"], True)
assert_equal(rawtx["chainlock"], False)
assert_equal(rawtx_is["chainlock"], False)
assert not "confirmations" in rawtx
assert not "confirmations" in rawtx_is
self.log.info("Disable back IS")
self.set_sporks()
assert "assetUnlockTx" in node.getrawtransaction(txid, 1)
self.mempool_size += 2
self.check_mempool_size()
self.validate_credit_pool_balance(locked)
node.generate(1)
self.sync_all()
assert_equal(rawtx["instantlock"], False)
assert_equal(rawtx["chainlock"], False)
rawtx = node.getrawtransaction(txid, 1)
assert_equal(rawtx["confirmations"], 1)
self.validate_credit_pool_balance(locked - COIN)
self.mempool_size -= 2
self.check_mempool_size()
block_asset_unlock = node.getrawtransaction(asset_unlock_tx.rehash(), 1)['blockhash']
self.send_tx(asset_unlock_tx,
expected_error = "Transaction already in block chain",
reason = "double copy")
self.log.info("Mining next quorum to check tx 'asset_unlock_tx_late' is still valid...")
self.mine_quorum_2_nodes(llmq_type_name='llmq_test_platform', llmq_type=106)
self.log.info("Checking credit pool amount is same...")
self.validate_credit_pool_balance(locked - 1 * COIN)
self.check_mempool_result(tx=asset_unlock_tx_late, result_expected={'allowed': True, 'fees': {'base': Decimal(str(tiny_amount / COIN))}})
self.log.info("Checking credit pool amount still is same...")
self.validate_credit_pool_balance(locked - 1 * COIN)
self.send_tx(asset_unlock_tx_late)
node.generate(1)
self.sync_all()
self.validate_credit_pool_balance(locked - 2 * COIN)
self.log.info("Generating many blocks to make quorum far behind (even still active)...")
self.generate_batch(too_late_height - node.getblockcount() - 1)
self.check_mempool_result(tx=asset_unlock_tx_too_late, result_expected={'allowed': True, 'fees': {'base': Decimal(str(tiny_amount / COIN))}})
node.generate(1)
self.sync_all()
self.check_mempool_result(tx=asset_unlock_tx_too_late,
result_expected={'allowed': False, 'reject-reason' : 'bad-assetunlock-too-late'})
self.log.info("Checking that two quorums later it is too late because quorum is not active...")
self.mine_quorum_2_nodes(llmq_type_name='llmq_test_platform', llmq_type=106)
self.log.info("Expecting new reject-reason...")
self.check_mempool_result(tx=asset_unlock_tx_too_late,
result_expected={'allowed': False, 'reject-reason' : 'bad-assetunlock-not-active-quorum'})
block_to_reconsider = node.getbestblockhash()
self.log.info("Test block invalidation with asset unlock tx...")
for inode in self.nodes:
inode.invalidateblock(block_asset_unlock)
self.validate_credit_pool_balance(locked)
self.generate_batch(50)
self.validate_credit_pool_balance(locked)
for inode in self.nodes:
inode.reconsiderblock(block_to_reconsider)
self.validate_credit_pool_balance(locked - 2 * COIN)
self.log.info("Forcibly mining asset_unlock_tx_too_late and ensure block is invalid")
self.create_and_check_block([asset_unlock_tx_too_late], expected_error = "bad-assetunlock-not-active-quorum")
node.generate(1)
self.sync_all()
self.validate_credit_pool_balance(locked - 2 * COIN)
self.validate_credit_pool_balance(block_hash=self.block_hash_1, expected=locked)
self.log.info("Forcibly mine asset_unlock_tx_duplicate_index and ensure block is invalid")
self.create_and_check_block([asset_unlock_tx_duplicate_index], expected_error = "bad-assetunlock-duplicated-index")
def test_withdrawal_limits(self, node_wallet, node, pubkey):
self.log.info("Testing withdrawal limits...")
self.log.info("Too big withdrawal is expected to not be mined")
asset_unlock_tx_full = self.create_assetunlock(201, 1 + self.get_credit_pool_balance(), pubkey)
self.log.info("Checking that transaction with exceeding amount accepted by mempool...")
# Mempool doesn't know about the size of the credit pool
self.check_mempool_result(tx=asset_unlock_tx_full, result_expected={'allowed': True, 'fees': {'base': Decimal(str(tiny_amount / COIN))}})
txid_in_block = self.send_tx(asset_unlock_tx_full)
node.generate(1)
self.sync_all()
self.ensure_tx_is_not_mined(txid_in_block)
self.log.info("Forcibly mine asset_unlock_tx_full and ensure block is invalid...")
self.create_and_check_block([asset_unlock_tx_full], expected_error = "failed-creditpool-unlock-too-much")
self.mempool_size += 1
asset_unlock_tx_full = self.create_assetunlock(301, self.get_credit_pool_balance(), pubkey)
self.check_mempool_result(tx=asset_unlock_tx_full, result_expected={'allowed': True, 'fees': {'base': Decimal(str(tiny_amount / COIN))}})
txid_in_block = self.send_tx(asset_unlock_tx_full)
expected_balance = (Decimal(self.get_credit_pool_balance()) - Decimal(tiny_amount))
node.generate(1)
self.sync_all()
self.log.info("Check txid_in_block was mined")
block = node.getblock(node.getbestblockhash())
assert txid_in_block in block['tx']
self.validate_credit_pool_balance(0)
self.log.info(f"Check status of withdrawal and try to spend it")
withdrawal_status = node_wallet.gettransaction(txid_in_block)
assert_equal(withdrawal_status['amount'] * COIN, expected_balance)
assert_equal(withdrawal_status['details'][0]['category'], 'platform-transfer')
spend_withdrawal_hex = node_wallet.createrawtransaction([{'txid': txid_in_block, 'vout' : 0}], { node_wallet.getnewaddress() : (expected_balance - Decimal(tiny_amount)) / COIN})
spend_withdrawal_hex = node_wallet.signrawtransactionwithwallet(spend_withdrawal_hex)['hex']
spend_withdrawal = tx_from_hex(spend_withdrawal_hex)
self.check_mempool_result(tx=spend_withdrawal, result_expected={'allowed': True, 'fees': {'base': Decimal(str(tiny_amount / COIN))}})
spend_txid_in_block = self.send_tx(spend_withdrawal)
node.generate(1)
block = node.getblock(node.getbestblockhash())
assert spend_txid_in_block in block['tx']
self.log.info("Fast forward to the next day to reset all current unlock limits...")
self.generate_batch(blocks_in_one_day)
self.mine_quorum_2_nodes(llmq_type_name='llmq_test_platform', llmq_type=106)
total = self.get_credit_pool_balance()
coins = node_wallet.listunspent()
while total <= 10_901 * COIN:
coin = coins.pop()
to_lock = int(coin['amount'] * COIN) - tiny_amount
if to_lock > 99 * COIN:
to_lock = 99 * COIN
total += to_lock
tx = self.create_assetlock(coin, to_lock, pubkey)
self.send_tx_simple(tx)
self.log.info(f"Collecting coins in pool... Collected {total}/{10_901 * COIN}")
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_901 * COIN)
limit_amount_1 = 1000 * COIN
self.log.info("Create 5 transactions and make sure that only 4 of them can be mined")
self.log.info("because their sum is bigger than the hard-limit (1000)")
# 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, 100 * COIN, 100 * COIN, 100 * COIN - 10000, 100 * COIN + 10001]
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)
last_txid = self.send_tx_simple(asset_unlock_tx)
# make sure larger amounts are mined first simply to make this test deterministic
node.prioritisetransaction(last_txid, next_amount // 10000)
self.sync_mempools()
node.generate(1)
self.sync_all()
new_total = self.get_credit_pool_balance()
amount_actually_withdrawn = total - new_total
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 hard-limit (1000)")
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, 900 * COIN + 10001)
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())
pending_txid = node.getrawmempool()[0]
amount_to_withdraw_2 = limit_amount_1 - amount_actually_withdrawn
self.log.info(f"We can still consume {Decimal(str(amount_to_withdraw_2 / COIN))} before we hit the hard-limit (1000)")
index += 1
asset_unlock_tx = self.create_assetunlock(index, amount_to_withdraw_2, pubkey)
self.send_tx_simple(asset_unlock_tx)
self.sync_mempools()
node.generate(1)
self.sync_all()
new_total = self.get_credit_pool_balance()
amount_actually_withdrawn = total - new_total
assert_equal(limit_amount_1, amount_actually_withdrawn)
self.log.info("Checking that exactly the same tx as before stayed in mempool and it's the only one...")
self.mempool_size = 1
self.check_mempool_size()
assert_equal(new_total, self.get_credit_pool_balance())
assert pending_txid in node.getrawmempool()
self.log.info("Fast forward to next day again...")
self.generate_batch(blocks_in_one_day - 1)
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, pubkey)
self.send_tx(asset_unlock_tx)
node.generate(1)
self.sync_all()
tip = self.nodes[0].getblockcount()
indexes_statuses_no_height = self.nodes[0].getassetunlockstatuses(["101", "102", "103"])
assert_equal([{'index': 101, 'status': 'mined'}, {'index': 102, 'status': 'mined'}, {'index': 103, 'status': 'unknown'}], indexes_statuses_no_height)
indexes_statuses_height = self.nodes[0].getassetunlockstatuses(["101", "102", "103"], tip)
assert_equal([{'index': 101, 'status': 'chainlocked'}, {'index': 102, 'status': 'chainlocked'}, {'index': 103, 'status': 'unknown'}], indexes_statuses_height)
self.log.info("generate many blocks to be sure that mempool is empty after expiring txes...")
self.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()
def test_mn_rr(self, node_wallet, node, pubkey):
self.log.info("Activate mn_rr...")
locked = self.get_credit_pool_balance()
node.generate(12 - node.getblockcount() % 12)
self.activate_mn_rr(expected_activation_height=node.getblockcount() + 12 * 3)
self.log.info(f'height: {node.getblockcount()} credit: {self.get_credit_pool_balance()}')
assert_equal(locked, self.get_credit_pool_balance())
bt = node.getblocktemplate()
platform_reward = bt['masternode'][0]['amount']
assert_equal(bt['masternode'][0]['script'], '6a') # empty OP_RETURN
owner_reward = bt['masternode'][1]['amount']
operator_reward = bt['masternode'][2]['amount'] if len(bt['masternode']) == 3 else 0
all_mn_rewards = platform_reward + owner_reward + operator_reward
assert_equal(all_mn_rewards, bt['coinbasevalue'] * 3 // 4) # 75/25 mn/miner reward split
assert_equal(platform_reward, all_mn_rewards * 375 // 1000) # 0.375 platform share
assert_equal(platform_reward, 31916328)
assert_equal(locked, self.get_credit_pool_balance())
node.generate(1)
self.sync_all()
locked += platform_reward
assert_equal(locked, self.get_credit_pool_balance())
coins = node_wallet.listunspent(query_options={'minimumAmount': 1})
coin = coins.pop()
self.send_tx(self.create_assetlock(coin, COIN, pubkey))
locked += platform_reward + COIN
node.generate(1)
self.sync_all()
assert_equal(locked, self.get_credit_pool_balance())
if __name__ == '__main__':
AssetLocksTest().main()