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https://github.com/ElementsProject/elements.git
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122 lines
4 KiB
Python
Executable file
122 lines
4 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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assert_raises_message,
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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 = 2
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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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connect_nodes_bi(self.nodes, 0, 1)
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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._test_getblockheader(getblock=True)
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self._test_getblockchaininfo()
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self._test_getdifficulty()
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self.nodes[0].verifychain(4, 0)
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def _test_getdifficulty(self):
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assert_raises_message(JSONRPCException,
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"getdifficulty is DEPRECATED for elements (which lacks pow), always returns this error",
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self.nodes[0].getdifficulty)
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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 'total_amount' not in res
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assert_equal(res['transactions'], 1)
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assert_equal(res['height'], 200)
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assert_equal(res['txouts'], 100)
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assert_equal(res['bytes_serialized'], 3948),
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assert_equal(len(res['bestblock']), 64)
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assert_equal(len(res['hash_serialized']), 64)
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def _test_getblockheader(self, getblock=False):
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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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if getblock:
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header = node.getblock(besthash)
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else:
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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_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 isinstance(header['time'], int)
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assert isinstance(header['mediantime'], 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 'nonce' not in header
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assert 'bits' not in header
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assert 'difficulty' not in header
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assert 'chainwork' not in header
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assert 'signblock_witness_asm' in header
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assert 'signblock_witness_hex' in header
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def _test_getblockchaininfo(self):
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besthash = self.nodes[0].getbestblockhash()
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res = self.nodes[0].getblockchaininfo()
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assert_equal(res['chain'], 'elementsregtest')
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assert_equal(res['signblock_asm'], '1')
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assert_equal(res['signblock_hex'], '51')
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assert 'difficulty' not in res
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assert 'chainwork' not in res
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assert_equal(res['blocks'], 200)
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assert_equal(res['headers'], 200)
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assert_equal(res['bestblockhash'], besthash)
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assert isinstance(res['mediantime'], int)
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assert_equal(res['verificationprogress'], 1)
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assert_equal(res['pruned'], False)
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assert 'pruneheight' not in res
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assert 'softforks' not in res
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assert 'bip9_softforks' in res
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if __name__ == '__main__':
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BlockchainTest().main()
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