bitcoin/test/functional/interface_bitcoin_cli.py

#!/usr/bin/env python3
# Copyright (c) 2017-2020 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 bitcoin-cli"""
from decimal import Decimal
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal, assert_raises_process_error, get_auth_cookie

# The block reward of coinbaseoutput.nValue (50) BTC/block matures after
# COINBASE_MATURITY (100) blocks. Therefore, after mining 101 blocks we expect
# node 0 to have a balance of (BLOCKS - COINBASE_MATURITY) * 50 BTC/block.
BLOCKS = 101
BALANCE = (BLOCKS - 100) * 50

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

    def skip_test_if_missing_module(self):
        self.skip_if_no_cli()

    def run_test(self):
        """Main test logic"""
        self.nodes[0].generate(BLOCKS)

        self.log.info("Compare responses from getblockchaininfo RPC and `bitcoin-cli getblockchaininfo`")
        cli_response = self.nodes[0].cli.getblockchaininfo()
        rpc_response = self.nodes[0].getblockchaininfo()
        assert_equal(cli_response, rpc_response)

        user, password = get_auth_cookie(self.nodes[0].datadir, self.chain)

        self.log.info("Test -stdinrpcpass option")
        assert_equal(BLOCKS, self.nodes[0].cli('-rpcuser={}'.format(user), '-stdinrpcpass', input=password).getblockcount())
        assert_raises_process_error(1, 'Incorrect rpcuser or rpcpassword', self.nodes[0].cli('-rpcuser={}'.format(user), '-stdinrpcpass', input='foo').echo)

        self.log.info("Test -stdin and -stdinrpcpass")
        assert_equal(['foo', 'bar'], self.nodes[0].cli('-rpcuser={}'.format(user), '-stdin', '-stdinrpcpass', input=password + '\nfoo\nbar').echo())
        assert_raises_process_error(1, 'Incorrect rpcuser or rpcpassword', self.nodes[0].cli('-rpcuser={}'.format(user), '-stdin', '-stdinrpcpass', input='foo').echo)

        self.log.info("Test connecting to a non-existing server")
        assert_raises_process_error(1, "Could not connect to the server", self.nodes[0].cli('-rpcport=1').echo)

        self.log.info("Test connecting with non-existing RPC cookie file")
        assert_raises_process_error(1, "Could not locate RPC credentials", self.nodes[0].cli('-rpccookiefile=does-not-exist', '-rpcpassword=').echo)

        self.log.info("Test -getinfo with arguments fails")
        assert_raises_process_error(1, "-getinfo takes no arguments", self.nodes[0].cli('-getinfo').help)

        self.log.info("Test -getinfo returns expected network and blockchain info")
        if self.is_wallet_compiled():
            self.nodes[0].encryptwallet(password)
        cli_get_info = self.nodes[0].cli('-getinfo').send_cli()
        network_info = self.nodes[0].getnetworkinfo()
        blockchain_info = self.nodes[0].getblockchaininfo()
        assert_equal(cli_get_info['version'], network_info['version'])
        assert_equal(cli_get_info['blocks'], blockchain_info['blocks'])
        assert_equal(cli_get_info['headers'], blockchain_info['headers'])
        assert_equal(cli_get_info['timeoffset'], network_info['timeoffset'])
        assert_equal(cli_get_info['connections'], network_info['connections'])
        assert_equal(cli_get_info['proxy'], network_info['networks'][0]['proxy'])
        assert_equal(cli_get_info['difficulty'], blockchain_info['difficulty'])
        assert_equal(cli_get_info['chain'], blockchain_info['chain'])

        if self.is_wallet_compiled():
            self.log.info("Test -getinfo and bitcoin-cli getwalletinfo return expected wallet info")
            assert_equal(cli_get_info['balance'], BALANCE)
            assert 'balances' not in cli_get_info.keys()
            wallet_info = self.nodes[0].getwalletinfo()
            assert_equal(cli_get_info['keypoolsize'], wallet_info['keypoolsize'])
            assert_equal(cli_get_info['unlocked_until'], wallet_info['unlocked_until'])
            assert_equal(cli_get_info['paytxfee'], wallet_info['paytxfee'])
            assert_equal(cli_get_info['relayfee'], network_info['relayfee'])
            assert_equal(self.nodes[0].cli.getwalletinfo(), wallet_info)

            # Setup to test -getinfo and -rpcwallet= with multiple wallets.
            wallets = ['', 'Encrypted', 'secret']
            amounts = [BALANCE + Decimal('9.999928'), Decimal(9), Decimal(31)]
            self.nodes[0].createwallet(wallet_name=wallets[1])
            self.nodes[0].createwallet(wallet_name=wallets[2])
            w1 = self.nodes[0].get_wallet_rpc(wallets[0])
            w2 = self.nodes[0].get_wallet_rpc(wallets[1])
            w3 = self.nodes[0].get_wallet_rpc(wallets[2])
            w1.walletpassphrase(password, self.rpc_timeout)
            w2.encryptwallet(password)
            w1.sendtoaddress(w2.getnewaddress(), amounts[1])
            w1.sendtoaddress(w3.getnewaddress(), amounts[2])

            # Mine a block to confirm; adds a block reward (50 BTC) to the default wallet.
            self.nodes[0].generate(1)

            self.log.info("Test -getinfo with multiple wallets and -rpcwallet returns specified wallet balance")
            for i in range(len(wallets)):
                cli_get_info = self.nodes[0].cli('-getinfo', '-rpcwallet={}'.format(wallets[i])).send_cli()
                assert 'balances' not in cli_get_info.keys()
                assert_equal(cli_get_info['balance'], amounts[i])

            self.log.info("Test -getinfo with multiple wallets and -rpcwallet=non-existing-wallet returns no balances")
            cli_get_info_keys = self.nodes[0].cli('-getinfo', '-rpcwallet=does-not-exist').send_cli().keys()
            assert 'balance' not in cli_get_info_keys
            assert 'balances' not in cli_get_info_keys

            self.log.info("Test -getinfo with multiple wallets returns all loaded wallet names and balances")
            assert_equal(set(self.nodes[0].listwallets()), set(wallets))
            cli_get_info = self.nodes[0].cli('-getinfo').send_cli()
            assert 'balance' not in cli_get_info.keys()
            assert_equal(cli_get_info['balances'], {k: v for k, v in zip(wallets, amounts)})

            # Unload the default wallet and re-verify.
            self.nodes[0].unloadwallet(wallets[0])
            assert wallets[0] not in self.nodes[0].listwallets()
            cli_get_info = self.nodes[0].cli('-getinfo').send_cli()
            assert 'balance' not in cli_get_info.keys()
            assert_equal(cli_get_info['balances'], {k: v for k, v in zip(wallets[1:], amounts[1:])})

            self.log.info("Test -getinfo after unloading all wallets except a non-default one returns its balance")
            self.nodes[0].unloadwallet(wallets[2])
            assert_equal(self.nodes[0].listwallets(), [wallets[1]])
            cli_get_info = self.nodes[0].cli('-getinfo').send_cli()
            assert 'balances' not in cli_get_info.keys()
            assert_equal(cli_get_info['balance'], amounts[1])

            self.log.info("Test -getinfo with -rpcwallet=remaining-non-default-wallet returns only its balance")
            cli_get_info = self.nodes[0].cli('-getinfo', '-rpcwallet={}'.format(wallets[1])).send_cli()
            assert 'balances' not in cli_get_info.keys()
            assert_equal(cli_get_info['balance'], amounts[1])

            self.log.info("Test -getinfo with -rpcwallet=unloaded wallet returns no balances")
            cli_get_info = self.nodes[0].cli('-getinfo', '-rpcwallet={}'.format(wallets[2])).send_cli()
            assert 'balance' not in cli_get_info_keys
            assert 'balances' not in cli_get_info_keys
        else:
            self.log.info("*** Wallet not compiled; cli getwalletinfo and -getinfo wallet tests skipped")
            self.nodes[0].generate(1)  # maintain block parity with the wallet_compiled conditional branch

        self.log.info("Test -version with node stopped")
        self.stop_node(0)
        cli_response = self.nodes[0].cli('-version').send_cli()
        assert "{} RPC client version".format(self.config['environment']['PACKAGE_NAME']) in cli_response

        self.log.info("Test -rpcwait option successfully waits for RPC connection")
        self.nodes[0].start()  # start node without RPC connection
        self.nodes[0].wait_for_cookie_credentials()  # ensure cookie file is available to avoid race condition
        blocks = self.nodes[0].cli('-rpcwait').send_cli('getblockcount')
        self.nodes[0].wait_for_rpc_connection()
        assert_equal(blocks, BLOCKS + 1)


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