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File Mode	null	100755

				#!/usr/bin/env python3
				# Copyright (c) 2017 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 -uacomment option."""

				from test_framework.test_framework import BitcoinTestFramework
				from test_framework.util import assert_equal


				class UacommentTest(BitcoinTestFramework):
				def set_test_params(self):
				self.num_nodes = 1
				self.setup_clean_chain = True

				def run_test(self):
				self.log.info("test multiple -uacomment")
				test_uacomment = self.nodes[0].getnetworkinfo()["subversion"]
				subversion_len = len(test_uacomment)
				assert_equal(test_uacomment[-12:-2], "testnode-0")

				self.restart_node(0, ["-uacomment=foo"])
				foo_uacomment = self.nodes[0].getnetworkinfo()["subversion"][-17:-2]
				assert_equal(foo_uacomment, "testnode-0; foo")

				self.log.info("test -uacomment max length")
				self.stop_node(0)
				expected = "Total length of network version string (290) exceeds maximum length (256). Reduce the number or size of uacomments."
				self.assert_start_raises_init_error(
				0, ["-uacomment=" + 'a' * 256], expected)

				self.log.info("test -uacomment unsafe characters")
				for unsafe_char in ['/', ':', '(', ')']:
				expected = "User Agent comment (" + \
				unsafe_char + ") contains unsafe characters"
				self.assert_start_raises_init_error(
				0, ["-uacomment=" + unsafe_char], expected)


				if __name__ == '__main__':
				UacommentTest().main()