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bcecdcd8e9
fad68f7[qa] Reduce node count for some tests (MarcoFalke)fac9349[qa] Remove hardcoded "4 nodes" from test_framework (MarcoFalke)
114 lines
3.8 KiB
Python
Executable File
114 lines
3.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2014-2016 The Bitcoin 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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#
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# Test RPC calls related to blockchain state. Tests correspond to code in
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# rpc/blockchain.cpp.
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#
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from decimal import Decimal
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.authproxy import JSONRPCException
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from test_framework.util import (
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assert_equal,
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assert_raises,
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assert_is_hex_string,
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assert_is_hash_string,
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start_nodes,
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connect_nodes_bi,
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)
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class BlockchainTest(BitcoinTestFramework):
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"""
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Test blockchain-related RPC calls:
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- gettxoutsetinfo
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- verifychain
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"""
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def __init__(self):
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super().__init__()
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self.setup_clean_chain = False
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self.num_nodes = 1
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def setup_network(self, split=False):
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self.nodes = start_nodes(self.num_nodes, self.options.tmpdir)
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self.is_network_split = False
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self.sync_all()
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def run_test(self):
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self._test_gettxoutsetinfo()
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self._test_getblockheader()
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self.nodes[0].verifychain(4, 0)
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def _test_gettxoutsetinfo(self):
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node = self.nodes[0]
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res = node.gettxoutsetinfo()
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assert_equal(res['total_amount'], Decimal('98214.28571450'))
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assert_equal(res['transactions'], 200)
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assert_equal(res['height'], 200)
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assert_equal(res['txouts'], 200)
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size = res['disk_size']
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assert size > 6400
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assert size < 64000
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assert_equal(len(res['bestblock']), 64)
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assert_equal(len(res['hash_serialized_2']), 64)
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print("Test that gettxoutsetinfo() works for blockchain with just the genesis block")
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b1hash = node.getblockhash(1)
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node.invalidateblock(b1hash)
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res2 = node.gettxoutsetinfo()
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assert_equal(res2['transactions'], 0)
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assert_equal(res2['total_amount'], Decimal('0'))
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assert_equal(res2['height'], 0)
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assert_equal(res2['txouts'], 0)
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assert_equal(res2['bestblock'], node.getblockhash(0))
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assert_equal(len(res2['hash_serialized_2']), 64)
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print("Test that gettxoutsetinfo() returns the same result after invalidate/reconsider block")
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node.reconsiderblock(b1hash)
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res3 = node.gettxoutsetinfo()
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assert_equal(res['total_amount'], res3['total_amount'])
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assert_equal(res['transactions'], res3['transactions'])
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assert_equal(res['height'], res3['height'])
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assert_equal(res['txouts'], res3['txouts'])
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assert_equal(res['bestblock'], res3['bestblock'])
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assert_equal(res['hash_serialized_2'], res3['hash_serialized_2'])
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def _test_getblockheader(self):
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node = self.nodes[0]
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assert_raises(
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JSONRPCException, lambda: node.getblockheader('nonsense'))
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besthash = node.getbestblockhash()
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secondbesthash = node.getblockhash(199)
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header = node.getblockheader(besthash)
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assert_equal(header['hash'], besthash)
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assert_equal(header['height'], 200)
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assert_equal(header['confirmations'], 1)
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assert_equal(header['previousblockhash'], secondbesthash)
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assert_is_hex_string(header['chainwork'])
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assert_is_hash_string(header['hash'])
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assert_is_hash_string(header['previousblockhash'])
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assert_is_hash_string(header['merkleroot'])
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assert_is_hash_string(header['bits'], length=None)
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assert isinstance(header['time'], int)
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assert isinstance(header['mediantime'], int)
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assert isinstance(header['nonce'], int)
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assert isinstance(header['version'], int)
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assert isinstance(int(header['versionHex'], 16), int)
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assert isinstance(header['difficulty'], Decimal)
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if __name__ == '__main__':
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BlockchainTest().main()
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