You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
2.9 KiB
87 lines
2.9 KiB
#!/usr/bin/env python3 |
|
# Copyright (c) 2014-2016 The Bitcoin Core developers |
|
# Distributed under the MIT software license, see the accompanying |
|
# file COPYING or http://www.opensource.org/licenses/mit-license.php. |
|
"""Test RPCs related to blockchainstate. |
|
|
|
Test the following RPCs: |
|
- gettxoutsetinfo |
|
- getdifficulty |
|
- getbestblockhash |
|
- getblockhash |
|
- getblockheader |
|
- verifychain |
|
|
|
Tests correspond to code in rpc/blockchain.cpp. |
|
""" |
|
|
|
from decimal import Decimal |
|
|
|
from test_framework.test_framework import BitcoinTestFramework |
|
from test_framework.util import ( |
|
assert_equal, |
|
assert_raises_jsonrpc, |
|
assert_is_hex_string, |
|
assert_is_hash_string, |
|
) |
|
|
|
|
|
class BlockchainTest(BitcoinTestFramework): |
|
|
|
def __init__(self): |
|
super().__init__() |
|
self.setup_clean_chain = False |
|
self.num_nodes = 2 |
|
|
|
def run_test(self): |
|
self._test_gettxoutsetinfo() |
|
self._test_getblockheader() |
|
self._test_getdifficulty() |
|
self.nodes[0].verifychain(4, 0) |
|
|
|
def _test_gettxoutsetinfo(self): |
|
node = self.nodes[0] |
|
res = node.gettxoutsetinfo() |
|
|
|
assert_equal(res['total_amount'], Decimal('8725.00000000')) |
|
assert_equal(res['transactions'], 200) |
|
assert_equal(res['height'], 200) |
|
assert_equal(res['txouts'], 200) |
|
assert_equal(res['bytes_serialized'], 13924), |
|
assert_equal(len(res['bestblock']), 64) |
|
assert_equal(len(res['hash_serialized']), 64) |
|
|
|
def _test_getblockheader(self): |
|
node = self.nodes[0] |
|
|
|
assert_raises_jsonrpc(-5, "Block not found", |
|
node.getblockheader, "nonsense") |
|
|
|
besthash = node.getbestblockhash() |
|
secondbesthash = node.getblockhash(199) |
|
header = node.getblockheader(besthash) |
|
|
|
assert_equal(header['hash'], besthash) |
|
assert_equal(header['height'], 200) |
|
assert_equal(header['confirmations'], 1) |
|
assert_equal(header['previousblockhash'], secondbesthash) |
|
assert_is_hex_string(header['chainwork']) |
|
assert_is_hash_string(header['hash']) |
|
assert_is_hash_string(header['previousblockhash']) |
|
assert_is_hash_string(header['merkleroot']) |
|
assert_is_hash_string(header['bits'], length=None) |
|
assert isinstance(header['time'], int) |
|
assert isinstance(header['mediantime'], int) |
|
assert isinstance(header['nonce'], int) |
|
assert isinstance(header['version'], int) |
|
assert isinstance(int(header['versionHex'], 16), int) |
|
assert isinstance(header['difficulty'], Decimal) |
|
|
|
def _test_getdifficulty(self): |
|
difficulty = self.nodes[0].getdifficulty() |
|
# 1 hash in 2 should be valid, so difficulty should be 1/2**31 |
|
# binary => decimal => binary math is why we do this check |
|
assert abs(difficulty * 2**31 - 1) < 0.0001 |
|
|
|
if __name__ == '__main__': |
|
BlockchainTest().main()
|
|
|