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Merge pull request #7103

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fa506c0 [wallet] Add rpc tests to verify fee calculations (MarcoFalke)
4b89f01 Default fPayAtLeastCustomFee to false (Ryan Havar)
This commit is contained in:
Wladimir J. van der Laan 2015-11-30 12:18:13 +01:00
parent 6fc287f2df fa506c0c9b
commit a7751824ce
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GPG key ID: 74810B012346C9A6
3 changed files with 31 additions and 13 deletions
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3
qa/rpc-tests/test_framework/util.py
View file

@ -67,6 +67,9 @@ def check_json_precision():
if satoshis != 2000000000000003:
raise RuntimeError("JSON encode/decode loses precision")
def count_bytes(hex_string):
return len(bytearray.fromhex(hex_string))
def sync_blocks(rpc_connections, wait=1):
"""
Wait until everybody has the same block count

39
qa/rpc-tests/wallet.py
View file

@ -24,6 +24,17 @@ 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)
@ -104,33 +115,37 @@ class WalletTest (BitcoinTestFramework):
# Send 10 BTC normal
address = self.nodes[0].getnewaddress("test")
self.nodes[2].settxfee(Decimal('0.001'))
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()
assert_equal(self.nodes[2].getbalance(), Decimal('89.99900000'))
assert_equal(self.nodes[0].getbalance(), Decimal('10.00000000'))
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()
assert_equal(self.nodes[2].getbalance(), Decimal('79.99900000'))
assert_equal(self.nodes[0].getbalance(), Decimal('19.99900000'))
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()
assert_equal(self.nodes[2].getbalance(), Decimal('69.99800000'))
assert_equal(self.nodes[0].getbalance(), Decimal('29.99900000'))
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()
assert_equal(self.nodes[2].getbalance(), Decimal('59.99800000'))
assert_equal(self.nodes[0].getbalance(), Decimal('39.99800000'))
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
@ -191,14 +206,14 @@ class WalletTest (BitcoinTestFramework):
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(), Decimal('59.99800000')); #should not be changed because tx was not broadcasted
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(), Decimal('61.99800000')); #should not be
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);
@ -216,7 +231,7 @@ class WalletTest (BitcoinTestFramework):
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(), Decimal('63.99800000')); #should not be
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")

2
src/wallet/wallet.cpp
View file

@ -41,7 +41,7 @@ CAmount maxTxFee = DEFAULT_TRANSACTION_MAXFEE;
unsigned int nTxConfirmTarget = DEFAULT_TX_CONFIRM_TARGET;
bool bSpendZeroConfChange = DEFAULT_SPEND_ZEROCONF_CHANGE;
bool fSendFreeTransactions = DEFAULT_SEND_FREE_TRANSACTIONS;
bool fPayAtLeastCustomFee = true;
bool fPayAtLeastCustomFee = false;
/**
* Fees smaller than this (in satoshi) are considered zero fee (for transaction creation)