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path: root/test/functional/rawtransactions.py
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#!/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.
"""Test the rawtransaction RPCs.

Test the following RPCs:
   - createrawtransaction
   - signrawtransaction
   - sendrawtransaction
   - decoderawtransaction
   - getrawtransaction
"""

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


class multidict(dict):
    """Dictionary that allows duplicate keys.

    Constructed with a list of (key, value) tuples. When dumped by the json module,
    will output invalid json with repeated keys, eg:
    >>> json.dumps(multidict([(1,2),(1,2)])
    '{"1": 2, "1": 2}'

    Used to test calls to rpc methods with repeated keys in the json object."""

    def __init__(self, x):
        dict.__init__(self, x)
        self.x = x

    def items(self):
        return self.x


# Create one-input, one-output, no-fee transaction:
class RawTransactionsTest(BitcoinTestFramework):
    def set_test_params(self):
        self.setup_clean_chain = True
        self.num_nodes = 3

    def setup_network(self, split=False):
        super().setup_network()
        connect_nodes_bi(self.nodes,0,2)

    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()

        # Test `createrawtransaction` required parameters
        assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction)
        assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction, [])

        # Test `createrawtransaction` invalid extra parameters
        assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction, [], {}, 0, False, 'foo')

        # Test `createrawtransaction` invalid `inputs`
        txid = '1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000'
        assert_raises_rpc_error(-3, "Expected type array", self.nodes[0].createrawtransaction, 'foo', {})
        assert_raises_rpc_error(-1, "JSON value is not an object as expected", self.nodes[0].createrawtransaction, ['foo'], {})
        assert_raises_rpc_error(-8, "txid must be hexadecimal string", self.nodes[0].createrawtransaction, [{}], {})
        assert_raises_rpc_error(-8, "txid must be hexadecimal string", self.nodes[0].createrawtransaction, [{'txid': 'foo'}], {})
        assert_raises_rpc_error(-8, "Invalid parameter, missing vout key", self.nodes[0].createrawtransaction, [{'txid': txid}], {})
        assert_raises_rpc_error(-8, "Invalid parameter, missing vout key", self.nodes[0].createrawtransaction, [{'txid': txid, 'vout': 'foo'}], {})
        assert_raises_rpc_error(-8, "Invalid parameter, vout must be positive", self.nodes[0].createrawtransaction, [{'txid': txid, 'vout': -1}], {})
        assert_raises_rpc_error(-8, "Invalid parameter, sequence number is out of range", self.nodes[0].createrawtransaction, [{'txid': txid, 'vout': 0, 'sequence': -1}], {})

        # Test `createrawtransaction` invalid `outputs`
        address = self.nodes[0].getnewaddress()
        assert_raises_rpc_error(-3, "Expected type object", self.nodes[0].createrawtransaction, [], 'foo')
        assert_raises_rpc_error(-8, "Data must be hexadecimal string", self.nodes[0].createrawtransaction, [], {'data': 'foo'})
        assert_raises_rpc_error(-5, "Invalid Bitcoin address", self.nodes[0].createrawtransaction, [], {'foo': 0})
        assert_raises_rpc_error(-3, "Invalid amount", self.nodes[0].createrawtransaction, [], {address: 'foo'})
        assert_raises_rpc_error(-3, "Amount out of range", self.nodes[0].createrawtransaction, [], {address: -1})
        assert_raises_rpc_error(-8, "Invalid parameter, duplicated address: %s" % address, self.nodes[0].createrawtransaction, [], multidict([(address, 1), (address, 1)]))

        # Test `createrawtransaction` invalid `locktime`
        assert_raises_rpc_error(-3, "Expected type number", self.nodes[0].createrawtransaction, [], {}, 'foo')
        assert_raises_rpc_error(-8, "Invalid parameter, locktime out of range", self.nodes[0].createrawtransaction, [], {}, -1)
        assert_raises_rpc_error(-8, "Invalid parameter, locktime out of range", self.nodes[0].createrawtransaction, [], {}, 4294967296)

        # Test `createrawtransaction` invalid `replaceable`
        assert_raises_rpc_error(-3, "Expected type bool", self.nodes[0].createrawtransaction, [], {}, 0, 'foo')

        #########################################
        # 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)

        # This will raise an exception since there are missing inputs
        assert_raises_rpc_error(-25, "Missing inputs", self.nodes[2].sendrawtransaction, rawtx['hex'])

        #####################################
        # getrawtransaction with block hash #
        #####################################

        # make a tx by sending then generate 2 blocks; block1 has the tx in it
        tx = self.nodes[2].sendtoaddress(self.nodes[1].getnewaddress(), 1)
        block1, block2 = self.nodes[2].generate(2)
        self.sync_all()
        # We should be able to get the raw transaction by providing the correct block
        gottx = self.nodes[0].getrawtransaction(tx, True, block1)
        assert_equal(gottx['txid'], tx)
        assert_equal(gottx['in_active_chain'], True)
        # We should not have the 'in_active_chain' flag when we don't provide a block
        gottx = self.nodes[0].getrawtransaction(tx, True)
        assert_equal(gottx['txid'], tx)
        assert 'in_active_chain' not in gottx
        # We should not get the tx if we provide an unrelated block
        assert_raises_rpc_error(-5, "No such transaction found", self.nodes[0].getrawtransaction, tx, True, block2)
        # An invalid block hash should raise the correct errors
        assert_raises_rpc_error(-8, "parameter 3 must be hexadecimal", self.nodes[0].getrawtransaction, tx, True, True)
        assert_raises_rpc_error(-8, "parameter 3 must be hexadecimal", self.nodes[0].getrawtransaction, tx, True, "foobar")
        assert_raises_rpc_error(-8, "parameter 3 must be of length 64", self.nodes[0].getrawtransaction, tx, True, "abcd1234")
        assert_raises_rpc_error(-5, "Block hash not found", self.nodes[0].getrawtransaction, tx, True, "0000000000000000000000000000000000000000000000000000000000000000")
        # Undo the blocks and check in_active_chain
        self.nodes[0].invalidateblock(block1)
        gottx = self.nodes[0].getrawtransaction(txid=tx, verbose=True, blockhash=block1)
        assert_equal(gottx['in_active_chain'], False)
        self.nodes[0].reconsiderblock(block1)
        assert_equal(self.nodes[0].getbestblockhash(), block2)

        #########################
        # 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']])

        #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']])

        txId = self.nodes[0].sendtoaddress(mSigObj, 2.2)
        decTx = self.nodes[0].gettransaction(txId)
        rawTx = self.nodes[0].decoderawtransaction(decTx['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

        # 2of2 test for combining transactions
        bal = self.nodes[2].getbalance()
        addr1 = self.nodes[1].getnewaddress()
        addr2 = self.nodes[2].getnewaddress()

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

        self.nodes[1].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey']])
        mSigObj = self.nodes[2].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey']])
        mSigObjValid = self.nodes[2].validateaddress(mSigObj)

        txId = self.nodes[0].sendtoaddress(mSigObj, 2.2)
        decTx = self.nodes[0].gettransaction(txId)
        rawTx2 = self.nodes[0].decoderawtransaction(decTx['hex'])
        self.sync_all()
        self.nodes[0].generate(1)
        self.sync_all()

        assert_equal(self.nodes[2].getbalance(), bal) # the funds of a 2of2 multisig tx should not be marked as spendable

        txDetails = self.nodes[0].gettransaction(txId, True)
        rawTx2 = self.nodes[0].decoderawtransaction(txDetails['hex'])
        vout = False
        for outpoint in rawTx2['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'], "redeemScript" : mSigObjValid['hex']}]
        outputs = { self.nodes[0].getnewaddress() : 2.19 }
        rawTx2 = self.nodes[2].createrawtransaction(inputs, outputs)
        rawTxPartialSigned1 = self.nodes[1].signrawtransaction(rawTx2, inputs)
        self.log.info(rawTxPartialSigned1)
        assert_equal(rawTxPartialSigned['complete'], False) #node1 only has one key, can't comp. sign the tx

        rawTxPartialSigned2 = self.nodes[2].signrawtransaction(rawTx2, inputs)
        self.log.info(rawTxPartialSigned2)
        assert_equal(rawTxPartialSigned2['complete'], False) #node2 only has one key, can't comp. sign the tx
        rawTxComb = self.nodes[2].combinerawtransaction([rawTxPartialSigned1['hex'], rawTxPartialSigned2['hex']])
        self.log.info(rawTxComb)
        self.nodes[2].sendrawtransaction(rawTxComb)
        rawTx2 = self.nodes[0].decoderawtransaction(rawTxComb)
        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

        # decoderawtransaction tests
        # witness transaction
        encrawtx = "010000000001010000000000000072c1a6a246ae63f74f931e8365e15a089c68d61900000000000000000000ffffffff0100e1f50500000000000000000000"
        decrawtx = self.nodes[0].decoderawtransaction(encrawtx, True) # decode as witness transaction
        assert_equal(decrawtx['vout'][0]['value'], Decimal('1.00000000'))
        assert_raises_rpc_error(-22, 'TX decode failed', self.nodes[0].decoderawtransaction, encrawtx, False) # force decode as non-witness transaction
        # non-witness transaction
        encrawtx = "01000000010000000000000072c1a6a246ae63f74f931e8365e15a089c68d61900000000000000000000ffffffff0100e1f505000000000000000000"
        decrawtx = self.nodes[0].decoderawtransaction(encrawtx, False) # decode as non-witness transaction
        assert_equal(decrawtx['vout'][0]['value'], Decimal('1.00000000'))
        
        # 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_rpc_error(-1, "not a boolean", self.nodes[0].getrawtransaction, txHash, "Flase")

        # 7. invalid parameters - supply txid and empty array
        assert_raises_rpc_error(-1, "not a boolean", self.nodes[0].getrawtransaction, txHash, [])

        # 8. invalid parameters - supply txid and empty dict
        assert_raises_rpc_error(-1, "not a boolean", 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)

        # 9. invalid parameters - sequence number out of range
        inputs  = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : -1}]
        outputs = { self.nodes[0].getnewaddress() : 1 }
        assert_raises_rpc_error(-8, 'Invalid parameter, sequence number is out of range', self.nodes[0].createrawtransaction, inputs, outputs)

        # 10. invalid parameters - sequence number out of range
        inputs  = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 4294967296}]
        outputs = { self.nodes[0].getnewaddress() : 1 }
        assert_raises_rpc_error(-8, 'Invalid parameter, sequence number is out of range', 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()