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#!/usr/bin/env python3
# Copyright (c) 2016-2017 The Bitcoin Core developers
# Copyright (c) 2018-2019 The Kevacoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test the Key-Value Store."""
from test_framework.blocktools import witness_script, send_to_witness
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *
from test_framework.authproxy import JSONRPCException
from io import BytesIO
import re
class KevaTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 3
def setup_network(self):
super().setup_network()
connect_nodes(self.nodes[0], 2)
self.sync_all()
def run_test(self):
self.nodes[0].generate(161) #block 161
response = self.nodes[0].keva_namespace('first_namespace')
namespaceId = response['namespaceId']
self.log.info("Test basic put and get operations")
key = 'First Key'
value = 'This is the first value!'
self.nodes[0].keva_put(namespaceId, key, value)
response = self.nodes[0].keva_pending()
assert(response[0]['op'] == 'keva_namespace')
assert(response[1]['op'] == 'keva_put')
response = self.nodes[0].keva_get(namespaceId, key)
assert(response['value'] == value)
self.nodes[0].generate(1)
response = self.nodes[0].keva_pending()
assert(len(response) == 0)
self.log.info("Test batch of put operations without exceeding the mempool chain limit")
prefix = 'first-set-of-keys-'
for i in range(24):
key = prefix + str(i)
value = ('value-' + str(i) + '-') * 300
self.nodes[0].keva_put(namespaceId, key, value)
response = self.nodes[0].keva_pending()
assert(len(response) == 24)
self.nodes[0].generate(1)
response = self.nodes[0].keva_pending()
assert(len(response) == 0)
# This will throw "too-long-mempool-chain" exception
self.log.info("Test batch of put operations that exceeds the mempool chain limit")
throwException = False
secondPrefix = 'second-set-of-keys-'
try:
for i in range(30):
key = secondPrefix + '|' + str(i)
value = '-value-' * 320 + '|' + str(i)
self.nodes[0].keva_put(namespaceId, key, value)
except JSONRPCException:
throwException = True
assert(throwException)
self.nodes[0].generate(1)
response = self.nodes[0].keva_pending()
assert(len(response) == 0)
self.log.info("Verify keva_filter works properly")
response = self.nodes[0].keva_filter(namespaceId, secondPrefix)
assert(len(response) == 25)
for i in range(25):
m = re.search('\|(\d+)', response[i]['key'])
keyId = m.group(0)
m = re.search('\|(\d+)', response[i]['value'])
valueId = m.group(0)
assert(keyId == valueId)
self.log.info("Test keva_delete")
keyToDelete = secondPrefix + '|13'
self.nodes[0].keva_delete(namespaceId, keyToDelete)
self.nodes[0].generate(1)
response = self.nodes[0].keva_get(namespaceId, keyToDelete)
assert(response['value'] == '')
self.log.info("Test reset the value after deleting")
newValue = 'This is the new value'
self.nodes[0].keva_put(namespaceId, keyToDelete, newValue)
self.nodes[0].generate(1)
response = self.nodes[0].keva_get(namespaceId, keyToDelete)
assert(response['value'] == newValue)
if __name__ == '__main__':
KevaTest().main()