#!/usr/bin/env python2 # Copyright (c) 2014 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. # # Exercise the wallet. Ported from wallet.sh. # Does the following: # a) creates 3 nodes, with an empty chain (no blocks). # b) node0 mines a block # c) node1 mines 101 blocks, so now nodes 0 and 1 have 50btc, node2 has none. # d) node0 sends 21 btc to node2, in two transactions (11 btc, then 10 btc). # e) node0 mines a block, collects the fee on the second transaction # f) node1 mines 100 blocks, to mature node0's just-mined block # g) check that node0 has 100-21, node2 has 21 # h) node0 should now have 2 unspent outputs; send these to node2 via raw tx broadcast by node1 # i) have node1 mine a block # j) check balances - node0 should have 0, node2 should have 100 # k) test ResendWalletTransactions - create transactions, startup fourth node, make sure it syncs # from test_framework import BitcoinTestFramework from util import * class WalletTest (BitcoinTestFramework): def setup_chain(self): print("Initializing test directory "+self.options.tmpdir) initialize_chain_clean(self.options.tmpdir, 4) def setup_network(self, split=False): 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) self.is_network_split=False self.sync_all() def run_test (self): print "Mining blocks..." self.nodes[0].setgenerate(True, 1) walletinfo = self.nodes[0].getwalletinfo() assert_equal(walletinfo['immature_balance'], 50) assert_equal(walletinfo['balance'], 0) self.sync_all() self.nodes[1].setgenerate(True, 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) # Send 21 BTC from 0 to 2 using sendtoaddress call. # Second transaction will be child of first, and will require a fee 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 they will collect their own fee. self.nodes[0].setgenerate(True, 1) self.sync_all() # Have node1 generate 100 blocks (so node0 can recover the fee) self.nodes[1].setgenerate(True, 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"] 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].setgenerate(True, 1) self.sync_all() assert_equal(self.nodes[0].getbalance(), 0) assert_equal(self.nodes[2].getbalance(), 100) assert_equal(self.nodes[2].getbalance("from1"), 100-21) # Send 10 BTC normal address = self.nodes[0].getnewaddress("test") self.nodes[2].settxfee(Decimal('0.001')) txid = self.nodes[2].sendtoaddress(address, 10, "", "", False) self.nodes[2].setgenerate(True, 1) self.sync_all() assert_equal(self.nodes[2].getbalance(), Decimal('89.99900000')) assert_equal(self.nodes[0].getbalance(), Decimal('10.00000000')) # Send 10 BTC with subtract fee from amount txid = self.nodes[2].sendtoaddress(address, 10, "", "", True) self.nodes[2].setgenerate(True, 1) self.sync_all() assert_equal(self.nodes[2].getbalance(), Decimal('79.99900000')) assert_equal(self.nodes[0].getbalance(), Decimal('19.99900000')) # Sendmany 10 BTC txid = self.nodes[2].sendmany('from1', {address: 10}, 0, "", []) self.nodes[2].setgenerate(True, 1) self.sync_all() assert_equal(self.nodes[2].getbalance(), Decimal('69.99800000')) assert_equal(self.nodes[0].getbalance(), Decimal('29.99900000')) # Sendmany 10 BTC with subtract fee from amount txid = self.nodes[2].sendmany('from1', {address: 10}, 0, "", [address]) self.nodes[2].setgenerate(True, 1) self.sync_all() assert_equal(self.nodes[2].getbalance(), Decimal('59.99800000')) assert_equal(self.nodes[0].getbalance(), Decimal('39.99800000')) # 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)) connect_nodes_bi(self.nodes, 0, 3) sync_blocks(self.nodes) relayed = self.nodes[0].resendwallettransactions() assert_equal(set(relayed), set([txid1, txid2])) sync_mempools(self.nodes) assert(txid1 in self.nodes[3].getrawmempool()) if __name__ == '__main__': WalletTest ().main ()