#!/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.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 target_fee = fee_per_byte * tx_size if fee < target_fee: raise AssertionError("Fee of %s BTC too low! (Should be %s BTC)"%(str(fee), str(target_fee))) # allow the node's estimation to be at most 2 bytes off if fee > fee_per_byte * (tx_size + 2): raise AssertionError("Fee of %s BTC too high! (Should be %s BTC)"%(str(fee), str(target_fee))) return curr_balance 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].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) # 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 it will collect its own fee. self.nodes[0].generate(1) self.sync_all() # 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"] 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(), 100) assert_equal(self.nodes[2].getbalance("from1"), 100-21) # 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('90'), 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)) 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()) #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('0.00000000')); assert(found) #do some -walletbroadcast tests stop_nodes(self.nodes) wait_bitcoinds() 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() txObjNotBroadcasted = self.nodes[0].gettransaction(txIdNotBroadcasted) assert_equal(self.nodes[2].getbalance(), node_2_bal + Decimal('2')); #should not be #create another tx txIdNotBroadcasted = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 2); #restart the nodes with -walletbroadcast=1 stop_nodes(self.nodes) wait_bitcoinds() 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) #tx should be added to balance because after restarting the nodes tx should be broadcastet assert_equal(self.nodes[2].getbalance(), node_2_bal + Decimal('4')); #should not be #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('-2.00000000')) txId = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), "0.0001") txObj = self.nodes[0].gettransaction(txId) assert_equal(txObj['amount'], Decimal('-0.00010000')) #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('-0.00010000')) #this should fail errorString = "" try: txId = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), "1f-4") except JSONRPCException,e: errorString = e.error['message'] assert_equal("Invalid amount" in errorString, True); errorString = "" try: self.nodes[0].generate("2") #use a string to as block amount parameter must fail because it's not interpreted as amount except JSONRPCException,e: errorString = e.error['message'] assert_equal("not an integer" in errorString, True); if __name__ == '__main__': WalletTest ().main ()