1 files changed, 395 insertions, 0 deletions
diff --git a/test/functional/wallet.py b/test/functional/wallet.py
new file mode 100755
index 0000000000..80f74fa108
--- /dev/null
+++ b/test/functional/wallet.py
@@ -0,0 +1,395 @@
+#!/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 wallet."""
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import *
+
+class WalletTest (BitcoinTestFramework):
+
+    def check_fee_amount(self, curr_balance, balance_with_fee, fee_per_byte, tx_size):
+        """Return curr_balance after asserting the fee was in range"""
+        fee = balance_with_fee - curr_balance
+        assert_fee_amount(fee, tx_size, fee_per_byte * 1000)
+        return curr_balance
+
+    def __init__(self):
+        super().__init__()
+        self.setup_clean_chain = True
+        self.num_nodes = 4
+        self.extra_args = [['-usehd={:d}'.format(i%2==0)] for i in range(4)]
+
+    def setup_network(self, split=False):
+        self.nodes = start_nodes(3, self.options.tmpdir, self.extra_args[:3])
+        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):
+
+        # Check that there's no UTXO on none of the nodes
+        assert_equal(len(self.nodes[0].listunspent()), 0)
+        assert_equal(len(self.nodes[1].listunspent()), 0)
+        assert_equal(len(self.nodes[2].listunspent()), 0)
+
+        self.log.info("Mining blocks...")
+
+        self.nodes[0].generate(1)
+
+        walletinfo = self.nodes[0].getwalletinfo()
+        assert_equal(walletinfo['immature_balance'], 50)
+        assert_equal(walletinfo['balance'], 0)
+
+        self.sync_all()
+        self.nodes[1].generate(101)
+        self.sync_all()
+
+        assert_equal(self.nodes[0].getbalance(), 50)
+        assert_equal(self.nodes[1].getbalance(), 50)
+        assert_equal(self.nodes[2].getbalance(), 0)
+
+        # Check that only first and second nodes have UTXOs
+        assert_equal(len(self.nodes[0].listunspent()), 1)
+        assert_equal(len(self.nodes[1].listunspent()), 1)
+        assert_equal(len(self.nodes[2].listunspent()), 0)
+
+        # Send 21 BTC from 0 to 2 using sendtoaddress call.
+        self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 11)
+        self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 10)
+
+        walletinfo = self.nodes[0].getwalletinfo()
+        assert_equal(walletinfo['immature_balance'], 0)
+
+        # Have node0 mine a block, thus it will collect its own fee.
+        self.nodes[0].generate(1)
+        self.sync_all()
+
+        # Exercise locking of unspent outputs
+        unspent_0 = self.nodes[2].listunspent()[0]
+        unspent_0 = {"txid": unspent_0["txid"], "vout": unspent_0["vout"]}
+        self.nodes[2].lockunspent(False, [unspent_0])
+        assert_raises_jsonrpc(-4, "Insufficient funds", self.nodes[2].sendtoaddress, self.nodes[2].getnewaddress(), 20)
+        assert_equal([unspent_0], self.nodes[2].listlockunspent())
+        self.nodes[2].lockunspent(True, [unspent_0])
+        assert_equal(len(self.nodes[2].listlockunspent()), 0)
+
+        # Have node1 generate 100 blocks (so node0 can recover the fee)
+        self.nodes[1].generate(100)
+        self.sync_all()
+
+        # node0 should end up with 100 btc in block rewards plus fees, but
+        # minus the 21 plus fees sent to node2
+        assert_equal(self.nodes[0].getbalance(), 100-21)
+        assert_equal(self.nodes[2].getbalance(), 21)
+
+        # Node0 should have two unspent outputs.
+        # Create a couple of transactions to send them to node2, submit them through
+        # node1, and make sure both node0 and node2 pick them up properly:
+        node0utxos = self.nodes[0].listunspent(1)
+        assert_equal(len(node0utxos), 2)
+
+        # create both transactions
+        txns_to_send = []
+        for utxo in node0utxos:
+            inputs = []
+            outputs = {}
+            inputs.append({ "txid" : utxo["txid"], "vout" : utxo["vout"]})
+            outputs[self.nodes[2].getnewaddress("from1")] = utxo["amount"] - 3
+            raw_tx = self.nodes[0].createrawtransaction(inputs, outputs)
+            txns_to_send.append(self.nodes[0].signrawtransaction(raw_tx))
+
+        # Have node 1 (miner) send the transactions
+        self.nodes[1].sendrawtransaction(txns_to_send[0]["hex"], True)
+        self.nodes[1].sendrawtransaction(txns_to_send[1]["hex"], True)
+
+        # Have node1 mine a block to confirm transactions:
+        self.nodes[1].generate(1)
+        self.sync_all()
+
+        assert_equal(self.nodes[0].getbalance(), 0)
+        assert_equal(self.nodes[2].getbalance(), 94)
+        assert_equal(self.nodes[2].getbalance("from1"), 94-21)
+
+        # Send 10 BTC normal
+        address = self.nodes[0].getnewaddress("test")
+        fee_per_byte = Decimal('0.001') / 1000
+        self.nodes[2].settxfee(fee_per_byte * 1000)
+        txid = self.nodes[2].sendtoaddress(address, 10, "", "", False)
+        self.nodes[2].generate(1)
+        self.sync_all()
+        node_2_bal = self.check_fee_amount(self.nodes[2].getbalance(), Decimal('84'), fee_per_byte, count_bytes(self.nodes[2].getrawtransaction(txid)))
+        assert_equal(self.nodes[0].getbalance(), Decimal('10'))
+
+        # Send 10 BTC with subtract fee from amount
+        txid = self.nodes[2].sendtoaddress(address, 10, "", "", True)
+        self.nodes[2].generate(1)
+        self.sync_all()
+        node_2_bal -= Decimal('10')
+        assert_equal(self.nodes[2].getbalance(), node_2_bal)
+        node_0_bal = self.check_fee_amount(self.nodes[0].getbalance(), Decimal('20'), fee_per_byte, count_bytes(self.nodes[2].getrawtransaction(txid)))
+
+        # Sendmany 10 BTC
+        txid = self.nodes[2].sendmany('from1', {address: 10}, 0, "", [])
+        self.nodes[2].generate(1)
+        self.sync_all()
+        node_0_bal += Decimal('10')
+        node_2_bal = self.check_fee_amount(self.nodes[2].getbalance(), node_2_bal - Decimal('10'), fee_per_byte, count_bytes(self.nodes[2].getrawtransaction(txid)))
+        assert_equal(self.nodes[0].getbalance(), node_0_bal)
+
+        # Sendmany 10 BTC with subtract fee from amount
+        txid = self.nodes[2].sendmany('from1', {address: 10}, 0, "", [address])
+        self.nodes[2].generate(1)
+        self.sync_all()
+        node_2_bal -= Decimal('10')
+        assert_equal(self.nodes[2].getbalance(), node_2_bal)
+        node_0_bal = self.check_fee_amount(self.nodes[0].getbalance(), node_0_bal + Decimal('10'), fee_per_byte, count_bytes(self.nodes[2].getrawtransaction(txid)))
+
+        # Test ResendWalletTransactions:
+        # Create a couple of transactions, then start up a fourth
+        # node (nodes[3]) and ask nodes[0] to rebroadcast.
+        # EXPECT: nodes[3] should have those transactions in its mempool.
+        txid1 = self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 1)
+        txid2 = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 1)
+        sync_mempools(self.nodes)
+
+        self.nodes.append(start_node(3, self.options.tmpdir, self.extra_args[3]))
+        connect_nodes_bi(self.nodes, 0, 3)
+        sync_blocks(self.nodes)
+
+        relayed = self.nodes[0].resendwallettransactions()
+        assert_equal(set(relayed), {txid1, txid2})
+        sync_mempools(self.nodes)
+
+        assert(txid1 in self.nodes[3].getrawmempool())
+
+        # Exercise balance rpcs
+        assert_equal(self.nodes[0].getwalletinfo()["unconfirmed_balance"], 1)
+        assert_equal(self.nodes[0].getunconfirmedbalance(), 1)
+
+        #check if we can list zero value tx as available coins
+        #1. create rawtx
+        #2. hex-changed one output to 0.0
+        #3. sign and send
+        #4. check if recipient (node0) can list the zero value tx
+        usp = self.nodes[1].listunspent()
+        inputs = [{"txid":usp[0]['txid'], "vout":usp[0]['vout']}]
+        outputs = {self.nodes[1].getnewaddress(): 49.998, self.nodes[0].getnewaddress(): 11.11}
+
+        rawTx = self.nodes[1].createrawtransaction(inputs, outputs).replace("c0833842", "00000000") #replace 11.11 with 0.0 (int32)
+        decRawTx = self.nodes[1].decoderawtransaction(rawTx)
+        signedRawTx = self.nodes[1].signrawtransaction(rawTx)
+        decRawTx = self.nodes[1].decoderawtransaction(signedRawTx['hex'])
+        zeroValueTxid= decRawTx['txid']
+        sendResp = self.nodes[1].sendrawtransaction(signedRawTx['hex'])
+
+        self.sync_all()
+        self.nodes[1].generate(1) #mine a block
+        self.sync_all()
+
+        unspentTxs = self.nodes[0].listunspent() #zero value tx must be in listunspents output
+        found = False
+        for uTx in unspentTxs:
+            if uTx['txid'] == zeroValueTxid:
+                found = True
+                assert_equal(uTx['amount'], Decimal('0'))
+        assert(found)
+
+        #do some -walletbroadcast tests
+        stop_nodes(self.nodes)
+        self.nodes = start_nodes(3, self.options.tmpdir, [["-walletbroadcast=0"],["-walletbroadcast=0"],["-walletbroadcast=0"]])
+        connect_nodes_bi(self.nodes,0,1)
+        connect_nodes_bi(self.nodes,1,2)
+        connect_nodes_bi(self.nodes,0,2)
+        self.sync_all()
+
+        txIdNotBroadcasted  = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 2)
+        txObjNotBroadcasted = self.nodes[0].gettransaction(txIdNotBroadcasted)
+        self.nodes[1].generate(1) #mine a block, tx should not be in there
+        self.sync_all()
+        assert_equal(self.nodes[2].getbalance(), node_2_bal) #should not be changed because tx was not broadcasted
+
+        #now broadcast from another node, mine a block, sync, and check the balance
+        self.nodes[1].sendrawtransaction(txObjNotBroadcasted['hex'])
+        self.nodes[1].generate(1)
+        self.sync_all()
+        node_2_bal += 2
+        txObjNotBroadcasted = self.nodes[0].gettransaction(txIdNotBroadcasted)
+        assert_equal(self.nodes[2].getbalance(), node_2_bal)
+
+        #create another tx
+        txIdNotBroadcasted  = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 2)
+
+        #restart the nodes with -walletbroadcast=1
+        stop_nodes(self.nodes)
+        self.nodes = start_nodes(3, self.options.tmpdir)
+        connect_nodes_bi(self.nodes,0,1)
+        connect_nodes_bi(self.nodes,1,2)
+        connect_nodes_bi(self.nodes,0,2)
+        sync_blocks(self.nodes)
+
+        self.nodes[0].generate(1)
+        sync_blocks(self.nodes)
+        node_2_bal += 2
+
+        #tx should be added to balance because after restarting the nodes tx should be broadcastet
+        assert_equal(self.nodes[2].getbalance(), node_2_bal)
+
+        #send a tx with value in a string (PR#6380 +)
+        txId  = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), "2")
+        txObj = self.nodes[0].gettransaction(txId)
+        assert_equal(txObj['amount'], Decimal('-2'))
+
+        txId  = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), "0.0001")
+        txObj = self.nodes[0].gettransaction(txId)
+        assert_equal(txObj['amount'], Decimal('-0.0001'))
+
+        #check if JSON parser can handle scientific notation in strings
+        txId  = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), "1e-4")
+        txObj = self.nodes[0].gettransaction(txId)
+        assert_equal(txObj['amount'], Decimal('-0.0001'))
+
+        # This will raise an exception because the amount type is wrong
+        assert_raises_jsonrpc(-3, "Invalid amount", self.nodes[0].sendtoaddress, self.nodes[2].getnewaddress(), "1f-4")
+
+        # This will raise an exception since generate does not accept a string
+        assert_raises_jsonrpc(-1, "not an integer", self.nodes[0].generate, "2")
+
+        # Import address and private key to check correct behavior of spendable unspents
+        # 1. Send some coins to generate new UTXO
+        address_to_import = self.nodes[2].getnewaddress()
+        txid = self.nodes[0].sendtoaddress(address_to_import, 1)
+        self.nodes[0].generate(1)
+        self.sync_all()
+
+        # 2. Import address from node2 to node1
+        self.nodes[1].importaddress(address_to_import)
+
+        # 3. Validate that the imported address is watch-only on node1
+        assert(self.nodes[1].validateaddress(address_to_import)["iswatchonly"])
+
+        # 4. Check that the unspents after import are not spendable
+        assert_array_result(self.nodes[1].listunspent(),
+                           {"address": address_to_import},
+                           {"spendable": False})
+
+        # 5. Import private key of the previously imported address on node1
+        priv_key = self.nodes[2].dumpprivkey(address_to_import)
+        self.nodes[1].importprivkey(priv_key)
+
+        # 6. Check that the unspents are now spendable on node1
+        assert_array_result(self.nodes[1].listunspent(),
+                           {"address": address_to_import},
+                           {"spendable": True})
+
+        # Mine a block from node0 to an address from node1
+        cbAddr = self.nodes[1].getnewaddress()
+        blkHash = self.nodes[0].generatetoaddress(1, cbAddr)[0]
+        cbTxId = self.nodes[0].getblock(blkHash)['tx'][0]
+        self.sync_all()
+
+        # Check that the txid and balance is found by node1
+        self.nodes[1].gettransaction(cbTxId)
+
+        # check if wallet or blockchain maintenance changes the balance
+        self.sync_all()
+        blocks = self.nodes[0].generate(2)
+        self.sync_all()
+        balance_nodes = [self.nodes[i].getbalance() for i in range(3)]
+        block_count = self.nodes[0].getblockcount()
+
+        # Check modes:
+        #   - True: unicode escaped as \u....
+        #   - False: unicode directly as UTF-8
+        for mode in [True, False]:
+            self.nodes[0].ensure_ascii = mode
+            # unicode check: Basic Multilingual Plane, Supplementary Plane respectively
+            for s in [u'рыба', u'𝅘𝅥𝅯']:
+                addr = self.nodes[0].getaccountaddress(s)
+                label = self.nodes[0].getaccount(addr)
+                assert_equal(label, s)
+                assert(s in self.nodes[0].listaccounts().keys())
+        self.nodes[0].ensure_ascii = True # restore to default
+
+        # maintenance tests
+        maintenance = [
+            '-rescan',
+            '-reindex',
+            '-zapwallettxes=1',
+            '-zapwallettxes=2',
+            # disabled until issue is fixed: https://github.com/bitcoin/bitcoin/issues/7463
+            # '-salvagewallet',
+        ]
+        chainlimit = 6
+        for m in maintenance:
+            self.log.info("check " + m)
+            stop_nodes(self.nodes)
+            # set lower ancestor limit for later
+            self.nodes = start_nodes(3, self.options.tmpdir, [[m, "-limitancestorcount="+str(chainlimit)]] * 3)
+            while m == '-reindex' and [block_count] * 3 != [self.nodes[i].getblockcount() for i in range(3)]:
+                # reindex will leave rpc warm up "early"; Wait for it to finish
+                time.sleep(0.1)
+            assert_equal(balance_nodes, [self.nodes[i].getbalance() for i in range(3)])
+
+        # Exercise listsinceblock with the last two blocks
+        coinbase_tx_1 = self.nodes[0].listsinceblock(blocks[0])
+        assert_equal(coinbase_tx_1["lastblock"], blocks[1])
+        assert_equal(len(coinbase_tx_1["transactions"]), 1)
+        assert_equal(coinbase_tx_1["transactions"][0]["blockhash"], blocks[1])
+        assert_equal(len(self.nodes[0].listsinceblock(blocks[1])["transactions"]), 0)
+
+        # ==Check that wallet prefers to use coins that don't exceed mempool limits =====
+
+        # Get all non-zero utxos together
+        chain_addrs = [self.nodes[0].getnewaddress(), self.nodes[0].getnewaddress()]
+        singletxid = self.nodes[0].sendtoaddress(chain_addrs[0], self.nodes[0].getbalance(), "", "", True)
+        self.nodes[0].generate(1)
+        node0_balance = self.nodes[0].getbalance()
+        # Split into two chains
+        rawtx = self.nodes[0].createrawtransaction([{"txid":singletxid, "vout":0}], {chain_addrs[0]:node0_balance/2-Decimal('0.01'), chain_addrs[1]:node0_balance/2-Decimal('0.01')})
+        signedtx = self.nodes[0].signrawtransaction(rawtx)
+        singletxid = self.nodes[0].sendrawtransaction(signedtx["hex"])
+        self.nodes[0].generate(1)
+
+        # Make a long chain of unconfirmed payments without hitting mempool limit
+        # Each tx we make leaves only one output of change on a chain 1 longer
+        # Since the amount to send is always much less than the outputs, we only ever need one output
+        # So we should be able to generate exactly chainlimit txs for each original output
+        sending_addr = self.nodes[1].getnewaddress()
+        txid_list = []
+        for i in range(chainlimit*2):
+            txid_list.append(self.nodes[0].sendtoaddress(sending_addr, Decimal('0.0001')))
+        assert_equal(self.nodes[0].getmempoolinfo()['size'], chainlimit*2)
+        assert_equal(len(txid_list), chainlimit*2)
+
+        # Without walletrejectlongchains, we will still generate a txid
+        # The tx will be stored in the wallet but not accepted to the mempool
+        extra_txid = self.nodes[0].sendtoaddress(sending_addr, Decimal('0.0001'))
+        assert(extra_txid not in self.nodes[0].getrawmempool())
+        assert(extra_txid in [tx["txid"] for tx in self.nodes[0].listtransactions()])
+        self.nodes[0].abandontransaction(extra_txid)
+        total_txs = len(self.nodes[0].listtransactions("*",99999))
+
+        # Try with walletrejectlongchains
+        # Double chain limit but require combining inputs, so we pass SelectCoinsMinConf
+        stop_node(self.nodes[0],0)
+        self.nodes[0] = start_node(0, self.options.tmpdir, ["-walletrejectlongchains", "-limitancestorcount="+str(2*chainlimit)])
+
+        # wait for loadmempool
+        timeout = 10
+        while (timeout > 0 and len(self.nodes[0].getrawmempool()) < chainlimit*2):
+            time.sleep(0.5)
+            timeout -= 0.5
+        assert_equal(len(self.nodes[0].getrawmempool()), chainlimit*2)
+
+        node0_balance = self.nodes[0].getbalance()
+        # With walletrejectlongchains we will not create the tx and store it in our wallet.
+        assert_raises_jsonrpc(-4, "Transaction has too long of a mempool chain", self.nodes[0].sendtoaddress, sending_addr, node0_balance - Decimal('0.01'))
+
+        # Verify nothing new in wallet
+        assert_equal(total_txs, len(self.nodes[0].listtransactions("*",99999)))
+
+if __name__ == '__main__':
+    WalletTest().main()