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v20.x
dash/test/functional/feature_asset_locks.py
Konstantin Akimov 4ebdaf69bc
fix: withdrawal (asset unlock) txes to use Platform Quorum on RegTest (#5800) 
## Issue being fixed or feature implemented
Asset Unlock tx uses platform's quorum on devnets, testnet, mainnet, but
still quorum type "Test (100)" on Reg Tests
That's part II PR, prior work is here:
https://github.com/dashpay/dash/pull/5618

## What was done?
- Removed `consensus.llmqTypeAssetLocks` which has been kept only for
RegTest - use `consensus.llmqTypePlatform` instead.
- Functional test `feature_asset_locks.py` uses `llmq_type_test = 106`
instead `llmq_type_test = 100` for asset unlock tx
- there's 4 MNs + 3 evo nodes instead 3 MNs as before: evo nodes
requires to have IS to be active


## How Has This Been Tested?
Run unit/functional tests


## Breaking Changes
Asset Unlock tx uses correct quorum "106 llmq_test_platform" on reg test
instead "100 llmq_test"

## Checklist:
- [x] I have performed a self-review of my own code
- [x] I have commented my code, particularly in hard-to-understand areas
- [x] I have added or updated relevant unit/integration/functional/e2e
tests
- [ ] I have made corresponding changes to the documentation
- [x] I have assigned this pull request to a milestone
2024-01-10 19:49:54 +07:00

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#!/usr/bin/env python3
# Copyright (c) 2022 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,
FromHex,
hash256,
ser_string,
)
from test_framework.script import (
CScript,
OP_CHECKSIG,
OP_DUP,
OP_EQUALVERIFY,
OP_HASH160,
OP_RETURN,
hash160,
)
from test_framework.test_framework import DashTestFramework
from test_framework.util import (
assert_equal,
assert_greater_than,
assert_greater_than_or_equal,
get_bip9_details,
hex_str_to_bytes,
)
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(6, 4, evo_count=3)
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, CScript([OP_DUP, OP_HASH160, hash160(pubkey), OP_EQUALVERIFY, OP_CHECKSIG])))
credit_outputs.append(CTxOut(tmp_amount, CScript([OP_DUP, OP_HASH160, hash160(pubkey), OP_EQUALVERIFY, OP_CHECKSIG])))
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 FromHex(CTransaction(), 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)
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()
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 = hex_str_to_bytes(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 = FromHex(CTransaction(), 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_3_INSTANTSEND_BLOCK_FILTERING", 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 slowly_generate_batch(self, amount):
self.log.info(f"Slowly generate {amount} blocks")
while amount > 0:
self.log.info(f"Generating batch of blocks {amount} left")
next = min(10, amount)
amount -= next
self.bump_mocktime(next)
self.nodes[1].generate(next)
self.sync_all()
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()))
# TODO: need to refactor this part to common code
# enabling instantsend -> 3 rotating quorums -> new 103 quorum
# with following dynamically adding evo nodes one-by-one seems
# as little too much complex for functional test (each which use Evo nodes)
self.nodes[0].sporkupdate("SPORK_2_INSTANTSEND_ENABLED", 0)
self.wait_for_sporks_same()
self.move_to_next_cycle()
self.log.info("Cycle H height:" + str(self.nodes[0].getblockcount()))
self.move_to_next_cycle()
self.log.info("Cycle H+C height:" + str(self.nodes[0].getblockcount()))
self.move_to_next_cycle()
self.log.info("Cycle H+2C height:" + str(self.nodes[0].getblockcount()))
self.mine_cycle_quorum(llmq_type_name='llmq_test_dip0024', llmq_type=103)
for i in range(3):
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()
pubkey = key.get_pubkey().get_bytes()
self.log.info("Testing asset lock...")
locked_1 = 10 * COIN + 141421
locked_2 = 10 * COIN + 314159
coins = node_wallet.listunspent()
coin = None
while coin is None or COIN * coin['amount'] < locked_2:
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})
self.validate_credit_pool_balance(0)
txid_in_block = self.send_tx(asset_lock_tx)
assert "assetLockTx" in node.getrawtransaction(txid_in_block, 1)
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...")
block_hash_1 = node_wallet.gettransaction(txid_in_block)['blockhash']
for inode in self.nodes:
inode.invalidateblock(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(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(llmq_type_name='llmq_test_platform', llmq_type=106, expected_connections=2, expected_members=3, expected_contributions=3, expected_complaints=0, expected_justifications=0, expected_commitments=3 )
self.validate_credit_pool_balance(locked_1)
self.log.info("Testing asset unlock...")
self.log.info("Generating several txes by same quorum....")
self.validate_credit_pool_balance(locked_1)
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})
self.check_mempool_result(tx=asset_unlock_tx_too_big_fee,
result_expected={'allowed': False, 'reject-reason' : 'absurdly-high-fee'})
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))
txid = self.send_tx(asset_unlock_tx)
assert "assetUnlockTx" in node.getrawtransaction(txid, 1)
self.mempool_size += 1
self.check_mempool_size()
self.validate_credit_pool_balance(locked_1)
node.generate(1)
self.sync_all()
self.validate_credit_pool_balance(locked_1 - COIN)
self.mempool_size -= 1
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(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 - 1 * COIN)
self.check_mempool_result(tx=asset_unlock_tx_late, result_expected={'allowed': True})
self.log.info("Checking credit pool amount still is same...")
self.validate_credit_pool_balance(locked_1 - 1 * COIN)
self.send_tx(asset_unlock_tx_late)
node.generate(1)
self.sync_all()
self.validate_credit_pool_balance(locked_1 - 2 * COIN)
self.log.info("Generating many blocks to make quorum far behind (even still active)...")
self.slowly_generate_batch(too_late_height - node.getblockcount() - 1)
self.check_mempool_result(tx=asset_unlock_tx_too_late, result_expected={'allowed': True})
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(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_1)
self.slowly_generate_batch(50)
self.validate_credit_pool_balance(locked_1)
for inode in self.nodes:
inode.reconsiderblock(block_to_reconsider)
self.validate_credit_pool_balance(locked_1 - 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_1 - 2 * COIN)
self.validate_credit_pool_balance(block_hash=block_hash_1, expected=locked_1)
self.log.info("Checking too big withdrawal... 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 })
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 })
txid_in_block = self.send_tx(asset_unlock_tx_full)
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("Forcibly mine asset_unlock_tx_full and ensure block is invalid...")
self.create_and_check_block([asset_unlock_tx_duplicate_index], expected_error = "bad-assetunlock-duplicated-index")
self.log.info("Fast forward to the next day to reset all current unlock limits...")
self.slowly_generate_batch(blocks_in_one_day + 1)
self.mine_quorum(llmq_type_name="llmq_test_platform", llmq_type=106)
total = self.get_credit_pool_balance()
while total <= 10_900 * COIN:
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 > 99 * COIN:
to_lock = 99 * 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()
self.log.info(f"MN_RR status: {get_bip9_details(node, 'mn_rr')}")
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 after expiring txes...")
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()
# activate MN_RR reallocation
self.log.info("Activate mn_rr...")
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(new_total, 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(new_total, self.get_credit_pool_balance())
node.generate(1)
self.sync_all()
new_total += platform_reward
assert_equal(new_total, self.get_credit_pool_balance())
coin = coins.pop()
self.send_tx(self.create_assetlock(coin, COIN, pubkey))
new_total += platform_reward + COIN
node.generate(1)
self.sync_all()
assert_equal(new_total, self.get_credit_pool_balance())
if __name__ == '__main__':
AssetLocksTest().main()
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