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#!/usr/bin/env python3
# Copyright (c) 2018 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 the getblockfilter RPC."""
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal, assert_is_hex_string, assert_raises_rpc_error,
connect_nodes, disconnect_nodes, sync_blocks
)
FILTER_TYPES = ["basic"]
class GetBlockFilterTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 2
self.extra_args = [["-blockfilterindex"], []]
def run_test(self):
# Create two chains by disconnecting nodes 0 & 1, mining, then reconnecting
disconnect_nodes(self.nodes[0], 1)
self.nodes[0].generate(3)
self.nodes[1].generate(4)
assert_equal(self.nodes[0].getblockcount(), 3)
chain0_hashes = [self.nodes[0].getblockhash(block_height) for block_height in range(4)]
# Reorg node 0 to a new chain
connect_nodes(self.nodes[0], 1)
sync_blocks(self.nodes)
assert_equal(self.nodes[0].getblockcount(), 4)
chain1_hashes = [self.nodes[0].getblockhash(block_height) for block_height in range(4)]
# Test getblockfilter returns a filter for all blocks and filter types on active chain
for block_hash in chain1_hashes:
for filter_type in FILTER_TYPES:
result = self.nodes[0].getblockfilter(block_hash, filter_type)
assert_is_hex_string(result['filter'])
# Test getblockfilter returns a filter for all blocks and filter types on stale chain
for block_hash in chain0_hashes:
for filter_type in FILTER_TYPES:
result = self.nodes[0].getblockfilter(block_hash, filter_type)
assert_is_hex_string(result['filter'])
# Test getblockfilter with unknown block
bad_block_hash = "0123456789abcdef" * 4
assert_raises_rpc_error(-5, "Block not found", self.nodes[0].getblockfilter, bad_block_hash, "basic")
# Test getblockfilter with undefined filter type
genesis_hash = self.nodes[0].getblockhash(0)
assert_raises_rpc_error(-5, "Unknown filtertype", self.nodes[0].getblockfilter, genesis_hash, "unknown")
if __name__ == '__main__':
GetBlockFilterTest().main()
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