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95 lines
3.1 KiB
95 lines
3.1 KiB
#!/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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"""Test RPCs related to blockchainstate. |
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Test the following RPCs: |
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- gettxoutsetinfo |
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- getdifficulty |
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- getbestblockhash |
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- getblockhash |
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- getblockheader |
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- verifychain |
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Tests correspond to code in 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.util import ( |
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assert_equal, |
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assert_raises_jsonrpc, |
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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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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_getdifficulty() |
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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('8725.00000000')) |
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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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assert_equal(res['bytes_serialized'], 13924), |
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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): |
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node = self.nodes[0] |
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assert_raises_jsonrpc(-5, "Block not found", |
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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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def _test_getdifficulty(self): |
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difficulty = self.nodes[0].getdifficulty() |
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# 1 hash in 2 should be valid, so difficulty should be 1/2**31 |
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# binary => decimal => binary math is why we do this check |
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assert abs(difficulty * 2**31 - 1) < 0.0001 |
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if __name__ == '__main__': |
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BlockchainTest().main()
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