#!/usr/bin/env python2
# Copyright (c) 2018 SuperNET developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.


from test_framework.test_framework import BitcoinTestFramework
from test_framework.authproxy import JSONRPCException
from test_framework.util import assert_equal, assert_greater_than, \
    initialize_chain_clean, initialize_chain, start_nodes, start_node, connect_nodes_bi, \
    stop_nodes, sync_blocks, sync_mempools, wait_bitcoinds, rpc_port, assert_raises
from cryptoconditions import assert_success, assert_error, generate_random_string


class CryptoconditionsFaucetTest(BitcoinTestFramework):

    def setup_chain(self):
        print("Initializing CC test directory "+self.options.tmpdir)
        self.num_nodes = 2
        initialize_chain_clean(self.options.tmpdir, self.num_nodes)

    def setup_network(self, split = False):
        print("Setting up network...")
        self.addr    = "RWPg8B91kfK5UtUN7z6s6TeV9cHSGtVY8D"
        self.pubkey  = "02676d00110c2cd14ae24f95969e8598f7ccfaa675498b82654a5b5bd57fc1d8cf"
        self.privkey = "UqMgxk7ySPNQ4r9nKAFPjkXy6r5t898yhuNCjSZJLg3RAM4WW1m9"
        self.addr1    = "RXEXoa1nRmKhMbuZovpcYwQMsicwzccZBp"
        self.pubkey1  = "024026d4ad4ecfc1f705a9b42ca64af6d2ad947509c085534a30b8861d756c6ff0"
        self.privkey1 = "UtdydP56pGTFmawHzHr1wDrc4oUwCNW1ttX8Pc3KrvH3MA8P49Wi"
        self.nodes   = start_nodes(self.num_nodes, self.options.tmpdir,
                    extra_args=[[
                    # always give -ac_name as first extra_arg and port as third
                    '-ac_name=REGTEST',
                    '-conf='+self.options.tmpdir+'/node0/REGTEST.conf',
                    '-port=64367',
                    '-rpcport=64368',
                    '-regtest',
                    '-addressindex=1',
                    '-spentindex=1',
                    '-ac_supply=5555555',
                    '-ac_reward=10000000000000',
                    '-pubkey=' + self.pubkey,
                    '-ac_cc=2',
                    '-whitelist=127.0.0.1',
                    '-debug',
                    '--daemon',
                    '-rpcuser=rt',
                    '-rpcpassword=rt'
                    ],
                    ['-ac_name=REGTEST',
                    '-conf='+self.options.tmpdir+'/node1/REGTEST.conf',
                    '-port=64365',
                    '-rpcport=64366',
                    '-regtest',
                    '-addressindex=1',
                    '-spentindex=1',
                    '-ac_supply=5555555',
                    '-ac_reward=10000000000000',
                    '-pubkey=' + self.pubkey1,
                    '-ac_cc=2',
                    '-whitelist=127.0.0.1',
                    '-debug',
                    '-addnode=127.0.0.1:64367',
                    '--daemon',
                    '-rpcuser=rt',
                    '-rpcpassword=rt']]
        )
        self.is_network_split = split
        self.rpc              = self.nodes[0]
        self.rpc1             = self.nodes[1]
        self.sync_all()
        print("Done setting up network")

    def send_and_mine(self, xtn, rpc_connection):
        txid = rpc_connection.sendrawtransaction(xtn)
        assert txid, 'got txid'
        # we need the tx above to be confirmed in the next block
        rpc_connection.generate(1)
        return txid

    def run_faucet_tests(self):
        rpc = self.rpc
        rpc1 = self.rpc1

        # basic sanity tests
        result = rpc.getwalletinfo()
        assert_greater_than(result['txcount'], 100)
        assert_greater_than(result['balance'], 0.0)
        balance = result['balance']

        faucet  = rpc.faucetaddress()
        assert_equal(faucet['result'], 'success')
        # verify all keys look like valid AC addrs, could be better
        for x in ['myCCaddress', 'FaucetCCaddress', 'Faucetmarker', 'myaddress']:
            assert_equal(faucet[x][0], 'R')

        result  = rpc.faucetaddress(self.pubkey)
        assert_success(result)
        # test that additional CCaddress key is returned
        for x in ['myCCaddress', 'FaucetCCaddress', 'Faucetmarker', 'myaddress', 'CCaddress']:
            assert_equal(result[x][0], 'R')

        # no funds in the faucet yet
        result = rpc.faucetget()
        assert_error(result)

        result = rpc.faucetinfo()
        assert_success(result)

        result = rpc.faucetfund("0")
        assert_error(result)

        result = rpc.faucetfund("-1")
        assert_error(result)

        # we need at least 1 + txfee to get
        result = rpc.faucetfund("2")
        assert_success(result)
        assert result['hex'], "hex key found"

        # broadcast the xtn
        result = rpc.sendrawtransaction(result['hex'])
        txid   = result[0]
        assert txid, "found txid"

        # we need the tx above to be confirmed in the next block
        rpc.generate(1)
        self.sync_all()

        result   = rpc.getwalletinfo()
        # minus one block reward
        balance2 =  result['balance'] - 100000
        # make sure our balance is less now
        assert_greater_than(balance, balance2)

        result = rpc.faucetinfo()
        assert_success(result)
        assert_greater_than( result['funding'], 0 )

        # claiming faucet on second node
        faucetgethex = rpc1.faucetget()
        assert_success(faucetgethex)
        assert faucetgethex['hex'], "hex key found"

        balance1 = rpc1.getwalletinfo()['balance']

        # try to broadcast the faucetget transaction
        result = self.send_and_mine(faucetgethex['hex'], rpc1)
        assert txid, "transaction broadcasted"

        balance2 = rpc1.getwalletinfo()['balance']
        assert_greater_than(balance2, balance1)

        self.sync_all()

    def run_test(self):
        print("Mining blocks...")
        rpc = self.nodes[0]
        rpc1 = self.nodes[1]
        # utxos from block 1 become mature in block 101
        rpc.generate(101)
        self.sync_all()
        rpc.getinfo()
        rpc1.getinfo()
        # this corresponds to -pubkey above
        print("Importing privkeys")
        rpc.importprivkey(self.privkey)
        rpc1.importprivkey(self.privkey1)
        self.run_faucet_tests()


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