#!/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.
"""rawtranscation RPCs QA test.

# Tests the following RPCs:
#    - createrawtransaction
#    - signrawtransaction
#    - sendrawtransaction
#    - decoderawtransaction
#    - getrawtransaction
"""

from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *

# Create one-input, one-output, no-fee transaction:
class RawTransactionsTest(BitcoinTestFramework):

    def __init__(self):
        super().__init__()
        self.setup_clean_chain = True
        self.num_nodes = 3

    def setup_network(self, split=False):
        self.nodes = start_nodes(self.num_nodes, self.options.tmpdir)

        #connect to a local machine for debugging
        #url = "http://bitcoinrpc:DP6DvqZtqXarpeNWyN3LZTFchCCyCUuHwNF7E8pX99x1@%s:%d" % ('127.0.0.1', 18332)
        #proxy = AuthServiceProxy(url)
        #proxy.url = url # store URL on proxy for info
        #self.nodes.append(proxy)

        connect_nodes_bi(self.nodes,0,1)
        connect_nodes_bi(self.nodes,1,2)
        connect_nodes_bi(self.nodes,0,2)

        self.is_network_split=False
        self.sync_all()

    def run_test(self):

        #prepare some coins for multiple *rawtransaction commands
        self.nodes[2].generate(1)
        self.sync_all()
        self.nodes[0].generate(101)
        self.sync_all()
        self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),1.5)
        self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),1.0)
        self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),5.0)
        self.sync_all()
        self.nodes[0].generate(5)
        self.sync_all()

        #########################################
        # sendrawtransaction with missing input #
        #########################################
        inputs  = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1}] #won't exists
        outputs = { self.nodes[0].getnewaddress() : 4.998 }
        rawtx   = self.nodes[2].createrawtransaction(inputs, outputs)
        rawtx   = self.nodes[2].signrawtransaction(rawtx)

        try:
            rawtx   = self.nodes[2].sendrawtransaction(rawtx['hex'])
        except JSONRPCException as e:
            assert("Missing inputs" in e.error['message'])
        else:
            assert(False)


        #########################
        # RAW TX MULTISIG TESTS #
        #########################
        # 2of2 test
        addr1 = self.nodes[2].getnewaddress()
        addr2 = self.nodes[2].getnewaddress()

        addr1Obj = self.nodes[2].validateaddress(addr1)
        addr2Obj = self.nodes[2].validateaddress(addr2)

        mSigObj = self.nodes[2].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey']])
        mSigObjValid = self.nodes[2].validateaddress(mSigObj)

        #use balance deltas instead of absolute values
        bal = self.nodes[2].getbalance()

        # send 1.2 BTC to msig adr
        txId = self.nodes[0].sendtoaddress(mSigObj, 1.2)
        self.sync_all()
        self.nodes[0].generate(1)
        self.sync_all()
        assert_equal(self.nodes[2].getbalance(), bal+Decimal('1.20000000')) #node2 has both keys of the 2of2 ms addr., tx should affect the balance


        # 2of3 test from different nodes
        bal = self.nodes[2].getbalance()
        addr1 = self.nodes[1].getnewaddress()
        addr2 = self.nodes[2].getnewaddress()
        addr3 = self.nodes[2].getnewaddress()

        addr1Obj = self.nodes[1].validateaddress(addr1)
        addr2Obj = self.nodes[2].validateaddress(addr2)
        addr3Obj = self.nodes[2].validateaddress(addr3)

        mSigObj = self.nodes[2].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey'], addr3Obj['pubkey']])
        mSigObjValid = self.nodes[2].validateaddress(mSigObj)

        txId = self.nodes[0].sendtoaddress(mSigObj, 2.2)
        decTx = self.nodes[0].gettransaction(txId)
        rawTx = self.nodes[0].decoderawtransaction(decTx['hex'])
        sPK = rawTx['vout'][0]['scriptPubKey']['hex']
        self.sync_all()
        self.nodes[0].generate(1)
        self.sync_all()

        #THIS IS A INCOMPLETE FEATURE
        #NODE2 HAS TWO OF THREE KEY AND THE FUNDS SHOULD BE SPENDABLE AND COUNT AT BALANCE CALCULATION
        assert_equal(self.nodes[2].getbalance(), bal) #for now, assume the funds of a 2of3 multisig tx are not marked as spendable

        txDetails = self.nodes[0].gettransaction(txId, True)
        rawTx = self.nodes[0].decoderawtransaction(txDetails['hex'])
        vout = False
        for outpoint in rawTx['vout']:
            if outpoint['value'] == Decimal('2.20000000'):
                vout = outpoint
                break

        bal = self.nodes[0].getbalance()
        inputs = [{ "txid" : txId, "vout" : vout['n'], "scriptPubKey" : vout['scriptPubKey']['hex']}]
        outputs = { self.nodes[0].getnewaddress() : 2.19 }
        rawTx = self.nodes[2].createrawtransaction(inputs, outputs)
        rawTxPartialSigned = self.nodes[1].signrawtransaction(rawTx, inputs)
        assert_equal(rawTxPartialSigned['complete'], False) #node1 only has one key, can't comp. sign the tx
        
        rawTxSigned = self.nodes[2].signrawtransaction(rawTx, inputs)
        assert_equal(rawTxSigned['complete'], True) #node2 can sign the tx compl., own two of three keys
        self.nodes[2].sendrawtransaction(rawTxSigned['hex'])
        rawTx = self.nodes[0].decoderawtransaction(rawTxSigned['hex'])
        self.sync_all()
        self.nodes[0].generate(1)
        self.sync_all()
        assert_equal(self.nodes[0].getbalance(), bal+Decimal('50.00000000')+Decimal('2.19000000')) #block reward + tx

        # getrawtransaction tests
        # 1. valid parameters - only supply txid
        txHash = rawTx["hash"]
        assert_equal(self.nodes[0].getrawtransaction(txHash), rawTxSigned['hex'])

        # 2. valid parameters - supply txid and 0 for non-verbose
        assert_equal(self.nodes[0].getrawtransaction(txHash, 0), rawTxSigned['hex'])

        # 3. valid parameters - supply txid and False for non-verbose
        assert_equal(self.nodes[0].getrawtransaction(txHash, False), rawTxSigned['hex'])

        # 4. valid parameters - supply txid and 1 for verbose.
        # We only check the "hex" field of the output so we don't need to update this test every time the output format changes.
        assert_equal(self.nodes[0].getrawtransaction(txHash, 1)["hex"], rawTxSigned['hex'])

        # 5. valid parameters - supply txid and True for non-verbose
        assert_equal(self.nodes[0].getrawtransaction(txHash, True)["hex"], rawTxSigned['hex'])

        # 6. invalid parameters - supply txid and string "Flase"
        assert_raises(JSONRPCException, self.nodes[0].getrawtransaction, txHash, "Flase")

        # 7. invalid parameters - supply txid and empty array
        assert_raises(JSONRPCException, self.nodes[0].getrawtransaction, txHash, [])

        # 8. invalid parameters - supply txid and empty dict
        assert_raises(JSONRPCException, self.nodes[0].getrawtransaction, txHash, {})

        inputs  = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 1000}]
        outputs = { self.nodes[0].getnewaddress() : 1 }
        rawtx   = self.nodes[0].createrawtransaction(inputs, outputs)
        decrawtx= self.nodes[0].decoderawtransaction(rawtx)
        assert_equal(decrawtx['vin'][0]['sequence'], 1000)
        
        inputs  = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : -1}]
        outputs = { self.nodes[0].getnewaddress() : 1 }
        assert_raises(JSONRPCException, self.nodes[0].createrawtransaction, inputs, outputs)
        
        inputs  = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 4294967296}]
        outputs = { self.nodes[0].getnewaddress() : 1 }
        assert_raises(JSONRPCException, self.nodes[0].createrawtransaction, inputs, outputs)
        
        inputs  = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 4294967294}]
        outputs = { self.nodes[0].getnewaddress() : 1 }
        rawtx   = self.nodes[0].createrawtransaction(inputs, outputs)
        decrawtx= self.nodes[0].decoderawtransaction(rawtx)
        assert_equal(decrawtx['vin'][0]['sequence'], 4294967294)

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