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Merge bitcoin/bitcoin#21786: wallet: ensure sat/vB feerates are in range (mantissa of 3)

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847288df07b45ca535c849e518b22818ab492896 test: fee rate values that cannot be represented as sat/vB (Jon Atack)
06a90fa0381c790f7bde2ab9bf47d2b22acef4a5 rpc: for sat/vB fee rates, limit ParseFixedPoint decimals to 3 (Jon Atack)
0742c7840f03505597fd2de87db97f12597ef667 rpc: enable passing decimals to AmountFromValue, add doxygen (Jon Atack)
8ce3ef57a3e9ad13c0aaa4648e8584241d53592d test: ParseFixedPoint with 3 decimals for sat/vB fee rates (Jon Atack)
b5033275979a2a495b02b25f70cadbdcc8b6eb6a test: type error and out of range fee rates where missing (Jon Atack)
c5fd4344f7fcc257062a610c8ff26ffcc9b53953 test: explicit fee rates with invalid amounts (Jon Atack)
ea6f76b66ecc52360719053489e0ec9f9a673eab test: improve zero-value explicit fee rate coverage (Jon Atack)

Pull request description:

  - Improve/close gaps in existing test coverage before making the change
  - Enable passing `decimals` to `ParseFixedPoint()` when calling `AmountFromValue()`
  - Limit explicit fee rates in sat/vB passed in by users to 3 decimals, and raise otherwise
  - Add regression test coverage

  Closes #20534.

ACKs for top commit:
  MarcoFalke:
    review ACK 847288df07b45ca535c849e518b22818ab492896 🔷

Tree-SHA512: c539d07ae9b21c0d6c8ea460beb9c8dad5559445518aace560abc3c05c588907bae189b6fd7602b3b397de4a42356136c3ec6f960d3dcf2d5d16377aef4ab5a2
This commit is contained in:
MarcoFalke 2021-05-10 09:02:42 +02:00 committed by Konstantin Akimov
parent 22435f1898
commit 3ba99b9c42
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GPG Key ID: 2176C4A5D01EA524
8 changed files with 113 additions and 36 deletions
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4
src/rpc/util.cpp
View File

@ -72,12 +72,12 @@ void RPCTypeCheckObj(const UniValue& o,
}
}
CAmount AmountFromValue(const UniValue& value)
CAmount AmountFromValue(const UniValue& value, int decimals)
{
if (!value.isNum() && !value.isStr())
throw JSONRPCError(RPC_TYPE_ERROR, "Amount is not a number or string");
CAmount amount;
if (!ParseFixedPoint(value.getValStr(), 8, &amount))
if (!ParseFixedPoint(value.getValStr(), decimals, &amount))
throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount");
if (!MoneyRange(amount))
throw JSONRPCError(RPC_TYPE_ERROR, "Amount out of range");

9
src/rpc/util.h
View File

@ -84,7 +84,14 @@ int64_t ParseInt64V(const UniValue& v, const std::string &strName);
double ParseDoubleV(const UniValue& v, const std::string &strName);
bool ParseBoolV(const UniValue& v, const std::string &strName);
CAmount AmountFromValue(const UniValue& value);
/**
* Validate and return a CAmount from a UniValue number or string.
*
* @param[in] value UniValue number or string to parse.
* @param[in] decimals Number of significant digits (default: 8).
* @returns a CAmount if the various checks pass.
*/
CAmount AmountFromValue(const UniValue& value, int decimals = 8);
using RPCArgList = std::vector<std::pair<std::string, UniValue>>;
std::string HelpExampleCli(const std::string& methodname, const std::string& args);

9
src/test/util_tests.cpp
View File

@ -2044,6 +2044,15 @@ BOOST_AUTO_TEST_CASE(test_ParseFixedPoint)
BOOST_CHECK(!ParseFixedPoint("1.1e", 8, &amount));
BOOST_CHECK(!ParseFixedPoint("1.1e-", 8, &amount));
BOOST_CHECK(!ParseFixedPoint("1.", 8, &amount));
// Test with 3 decimal places for fee rates in sat/vB.
BOOST_CHECK(ParseFixedPoint("0.001", 3, &amount));
BOOST_CHECK_EQUAL(amount, CAmount{1});
BOOST_CHECK(!ParseFixedPoint("0.0009", 3, &amount));
BOOST_CHECK(!ParseFixedPoint("31.00100001", 3, &amount));
BOOST_CHECK(!ParseFixedPoint("31.0011", 3, &amount));
BOOST_CHECK(!ParseFixedPoint("31.99999999", 3, &amount));
BOOST_CHECK(!ParseFixedPoint("31.999999999999999999999", 3, &amount));
}
static void TestOtherThread(fs::path dirname, std::string lockname, bool *result)

3
src/wallet/rpcwallet.cpp
View File

@ -221,7 +221,8 @@ static void SetFeeEstimateMode(const CWallet& wallet, CCoinControl& cc, const Un
if (!estimate_mode.isNull() && estimate_mode.get_str() != "unset") {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both estimate_mode and fee_rate");
}
cc.m_feerate = CFeeRate(AmountFromValue(fee_rate), COIN);
// Fee rates in sat/vB cannot represent more than 3 significant digits.
cc.m_feerate = CFeeRate{AmountFromValue(fee_rate, /* decimals */ 3)};
if (override_min_fee) cc.fOverrideFeeRate = true;
return;
}

20
test/functional/rpc_fundrawtransaction.py
View File

@ -5,6 +5,8 @@
"""Test the fundrawtransaction RPC."""
from decimal import Decimal
from itertools import product
from test_framework.descriptors import descsum_create
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
@ -717,17 +719,16 @@ class RawTransactionsTest(BitcoinTestFramework):
result2 = node.fundrawtransaction(rawtx, {"feeRate": 2 * self.min_relay_tx_fee})
result3 = node.fundrawtransaction(rawtx, {"fee_rate": 10 * btc_kvb_to_sat_vb * self.min_relay_tx_fee})
result4 = node.fundrawtransaction(rawtx, {"feeRate": str(10 * self.min_relay_tx_fee)})
# Test that funding non-standard "zero-fee" transactions is valid.
result5 = self.nodes[3].fundrawtransaction(rawtx, {"fee_rate": 0})
result6 = self.nodes[3].fundrawtransaction(rawtx, {"feeRate": 0})
result_fee_rate = result['fee'] * 1000 / count_bytes(result['hex'])
assert_fee_amount(result1['fee'], count_bytes(result1['hex']), 2 * result_fee_rate)
assert_fee_amount(result2['fee'], count_bytes(result2['hex']), 2 * result_fee_rate)
assert_fee_amount(result3['fee'], count_bytes(result3['hex']), 10 * result_fee_rate)
assert_fee_amount(result4['fee'], count_bytes(result4['hex']), 10 * result_fee_rate)
assert_fee_amount(result5['fee'], count_bytes(result5['hex']), 0)
assert_fee_amount(result6['fee'], count_bytes(result6['hex']), 0)
# Test that funding non-standard "zero-fee" transactions is valid.
for param, zero_value in product(["fee_rate", "feeRate"], [0, 0.000, 0.00000000, "0", "0.000", "0.00000000"]):
assert_equal(self.nodes[3].fundrawtransaction(rawtx, {param: zero_value})["fee"], 0)
# With no arguments passed, expect fee of 225 satoshis.
assert_approx(node.fundrawtransaction(rawtx)["fee"], vexp=0.00000225, vspan=0.00000001)
@ -761,11 +762,16 @@ class RawTransactionsTest(BitcoinTestFramework):
node.fundrawtransaction, rawtx, {param: -1, "add_inputs": True})
assert_raises_rpc_error(-3, "Amount is not a number or string",
node.fundrawtransaction, rawtx, {param: {"foo": "bar"}, "add_inputs": True})
# Test fee rate values that don't pass fixed-point parsing checks.
for invalid_value in ["", 0.000000001, 1e-09, 1.111111111, 1111111111111111, "31.999999999999999999999"]:
assert_raises_rpc_error(-3, "Invalid amount", node.fundrawtransaction, rawtx, {param: invalid_value, "add_inputs": True})
# Test fee_rate values that cannot be represented in sat/vB.
for invalid_value in [0.0001, 0.00000001, 0.00099999, 31.99999999, "0.0001", "0.00000001", "0.00099999", "31.99999999"]:
assert_raises_rpc_error(-3, "Invalid amount",
node.fundrawtransaction, rawtx, {param: "", "add_inputs": True})
node.fundrawtransaction, rawtx, {"fee_rate": invalid_value, "add_inputs": True})
self.log.info("Test min fee rate checks are bypassed with fundrawtxn, e.g. a fee_rate under 1 sat/vB is allowed")
node.fundrawtransaction(rawtx, {"fee_rate": 0.99999999, "add_inputs": True})
node.fundrawtransaction(rawtx, {"fee_rate": 0.999, "add_inputs": True})
node.fundrawtransaction(rawtx, {"feeRate": 0.00000999, "add_inputs": True})
self.log.info("- raises RPC error if both feeRate and fee_rate are passed")

16
test/functional/rpc_psbt.py
View File

@ -6,6 +6,8 @@
"""
from decimal import Decimal
from itertools import product
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_approx,
@ -115,14 +117,14 @@ class PSBTTest(BitcoinTestFramework):
assert_approx(res2["fee"], 0.04, 0.005)
self.log.info("Test min fee rate checks with walletcreatefundedpsbt are bypassed, e.g. a fee_rate under 1 sat/vB is allowed")
res3 = self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"fee_rate": "0.99999999", "add_inputs": True})
res3 = self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"fee_rate": "0.999", "add_inputs": True})
assert_approx(res3["fee"], 0.00000224, 0.0000001)
res4 = self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"feeRate": 0.00000999, "add_inputs": True})
assert_approx(res4["fee"], 0.00000224, 0.0000001)
self.log.info("Test min fee rate checks with walletcreatefundedpsbt are bypassed and that funding non-standard 'zero-fee' transactions is valid")
for param in ["fee_rate", "feeRate"]:
assert_equal(self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {param: 0, "add_inputs": True})["fee"], 0)
for param, zero_value in product(["fee_rate", "feeRate"], [0, 0.000, 0.00000000, "0", "0.000", "0.00000000"]):
assert_equal(0, self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {param: zero_value, "add_inputs": True})["fee"])
self.log.info("Test invalid fee rate settings")
for param, value in {("fee_rate", 100000), ("feeRate", 1)}:
@ -132,8 +134,14 @@ class PSBTTest(BitcoinTestFramework):
self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {param: -1, "add_inputs": True})
assert_raises_rpc_error(-3, "Amount is not a number or string",
self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {param: {"foo": "bar"}, "add_inputs": True})
# Test fee rate values that don't pass fixed-point parsing checks.
for invalid_value in ["", 0.000000001, 1e-09, 1.111111111, 1111111111111111, "31.999999999999999999999"]:
assert_raises_rpc_error(-3, "Invalid amount",
self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {param: "", "add_inputs": True})
self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {param: invalid_value, "add_inputs": True})
# Test fee_rate values that cannot be represented in sat/vB.
for invalid_value in [0.0001, 0.00000001, 0.00099999, 31.99999999, "0.0001", "0.00000001", "0.00099999", "31.99999999"]:
assert_raises_rpc_error(-3, "Invalid amount",
self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"fee_rate": invalid_value, "add_inputs": True})
self.log.info("- raises RPC error if both feeRate and fee_rate are passed")
assert_raises_rpc_error(-8, "Cannot specify both fee_rate (duff/B) and feeRate (DASH/kB)",

43
test/functional/wallet_basic.py
View File

@ -17,6 +17,7 @@ from test_framework.util import (
)
from test_framework.wallet_util import test_address
NOT_A_NUMBER_OR_STRING = "Amount is not a number or string"
OUT_OF_RANGE = "Amount out of range"
@ -277,12 +278,25 @@ class WalletTest(BitcoinTestFramework):
# Test setting explicit fee rate just below the minimum.
self.log.info("Test sendmany raises 'fee rate too low' if fee_rate of 0.99999999 is passed")
assert_raises_rpc_error(-6, "Fee rate (0.999 duff/B) is lower than the minimum fee rate setting (1.000 duff/B)",
self.nodes[2].sendmany, amounts={address: 10}, fee_rate=0.99999999)
self.nodes[2].sendmany, amounts={address: 10}, fee_rate=0.999)
self.log.info("Test sendmany raises if fee_rate of 0 or -1 is passed")
assert_raises_rpc_error(-6, "Fee rate (0.000 duff/B) is lower than the minimum fee rate setting (1.000 duff/B)",
self.nodes[2].sendmany, amounts={address: 10}, fee_rate=0)
self.log.info("Test sendmany raises if an invalid fee_rate is passed")
# Test fee_rate with zero values.
msg = "Fee rate (0.000 duff/B) is lower than the minimum fee rate setting (1.000 duff/B)"
for zero_value in [0, 0.000, 0.00000000, "0", "0.000", "0.00000000"]:
assert_raises_rpc_error(-6, msg, self.nodes[2].sendmany, amounts={address: 1}, fee_rate=zero_value)
msg = "Invalid amount"
# Test fee_rate values that don't pass fixed-point parsing checks.
for invalid_value in ["", 0.000000001, 1e-09, 1.111111111, 1111111111111111, "31.999999999999999999999"]:
assert_raises_rpc_error(-3, msg, self.nodes[2].sendmany, amounts={address: 1.0}, fee_rate=invalid_value)
# Test fee_rate values that cannot be represented in duff/B.
for invalid_value in [0.0001, 0.00000001, 0.00099999, 31.99999999, "0.0001", "0.00000001", "0.00099999", "31.99999999"]:
assert_raises_rpc_error(-3, msg, self.nodes[2].sendmany, amounts={address: 10}, fee_rate=invalid_value)
# Test fee_rate out of range (negative number).
assert_raises_rpc_error(-3, OUT_OF_RANGE, self.nodes[2].sendmany, amounts={address: 10}, fee_rate=-1)
# Test type error.
for invalid_value in [True, {"foo": "bar"}]:
assert_raises_rpc_error(-3, NOT_A_NUMBER_OR_STRING, self.nodes[2].sendmany, amounts={address: 10}, fee_rate=invalid_value)
self.log.info("Test sendmany raises if an invalid conf_target or estimate_mode is passed")
for target, mode in product([-1, 0, 1009], ["economical", "conservative"]):
@ -425,7 +439,7 @@ class WalletTest(BitcoinTestFramework):
self.nodes[0].generate(1)
self.sync_all(self.nodes[0:3])
self.log.info("Test sendtoaddress with fee_rate param (explicit fee rate in sat/vB)")
self.log.info("Test sendtoaddress with fee_rate param (explicit fee rate in duff/B)")
prebalance = self.nodes[2].getbalance()
assert prebalance > 2
address = self.nodes[1].getnewaddress()
@ -462,10 +476,23 @@ class WalletTest(BitcoinTestFramework):
assert_raises_rpc_error(-6, "Fee rate (0.999 duff/B) is lower than the minimum fee rate setting (1.000 duff/B)",
self.nodes[2].sendtoaddress, address=address, amount=1, fee_rate=0.999)
self.log.info("Test sendtoaddress raises if fee_rate of 0 or -1 is passed")
assert_raises_rpc_error(-6, "Fee rate (0.000 duff/B) is lower than the minimum fee rate setting (1.000 duff/B)",
self.nodes[2].sendtoaddress, address=address, amount=10, fee_rate=0)
self.log.info("Test sendtoaddress raises if an invalid fee_rate is passed")
# Test fee_rate with zero values.
msg = "Fee rate (0.000 duff/B) is lower than the minimum fee rate setting (1.000 duff/B)"
for zero_value in [0, 0.000, 0.00000000, "0", "0.000", "0.00000000"]:
assert_raises_rpc_error(-6, msg, self.nodes[2].sendtoaddress, address=address, amount=1, fee_rate=zero_value)
msg = "Invalid amount"
# Test fee_rate values that don't pass fixed-point parsing checks.
for invalid_value in ["", 0.000000001, 1e-09, 1.111111111, 1111111111111111, "31.999999999999999999999"]:
assert_raises_rpc_error(-3, msg, self.nodes[2].sendtoaddress, address=address, amount=1.0, fee_rate=invalid_value)
# Test fee_rate values that cannot be represented in duff/B.
for invalid_value in [0.0001, 0.00000001, 0.00099999, 31.99999999, "0.0001", "0.00000001", "0.00099999", "31.99999999"]:
assert_raises_rpc_error(-3, msg, self.nodes[2].sendtoaddress, address=address, amount=10, fee_rate=invalid_value)
# Test fee_rate out of range (negative number).
assert_raises_rpc_error(-3, OUT_OF_RANGE, self.nodes[2].sendtoaddress, address=address, amount=1.0, fee_rate=-1)
# Test type error.
for invalid_value in [True, {"foo": "bar"}]:
assert_raises_rpc_error(-3, NOT_A_NUMBER_OR_STRING, self.nodes[2].sendtoaddress, address=address, amount=1.0, fee_rate=invalid_value)
self.log.info("Test sendtoaddress raises if an invalid conf_target or estimate_mode is passed")
for target, mode in product([-1, 0, 1009], ["economical", "conservative"]):

45
test/functional/wallet_send.py
View File

@ -347,22 +347,41 @@ class WalletSendTest(BitcoinTestFramework):
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_conf_target=0.1, arg_estimate_mode=mode, expect_error=(-8, msg))
assert_raises_rpc_error(-8, msg, w0.send, {w1.getnewaddress(): 1}, 0.1, mode)
for mode in ["economical", "conservative", "dash/kb", "duff/b"]:
self.log.debug("{}".format(mode))
for k, v in {"string": "true", "object": {"foo": "bar"}}.items():
for mode in ["economical", "conservative"]:
for k, v in {"string": "true", "bool": True, "object": {"foo": "bar"}}.items():
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, conf_target=v, estimate_mode=mode,
expect_error=(-3, "Expected type number for conf_target, got {}".format(k)))
expect_error=(-3, f"Expected type number for conf_target, got {k}"))
# Test setting explicit fee rate just below the minimum and at zero.
# Test setting explicit fee rate just below the minimum of 1 duff/B.
self.log.info("Explicit fee rate raises RPC error 'fee rate too low' if fee_rate of 0.99999999 is passed")
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=0.99999999,
expect_error=(-4, "Fee rate (0.999 duff/B) is lower than the minimum fee rate setting (1.000 duff/B)"))
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=0.99999999,
expect_error=(-4, "Fee rate (0.999 duff/B) is lower than the minimum fee rate setting (1.000 duff/B)"))
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=0,
expect_error=(-4, "Fee rate (0.000 duff/B) is lower than the minimum fee rate setting (1.000 duff/B)"))
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=0,
expect_error=(-4, "Fee rate (0.000 duff/B) is lower than the minimum fee rate setting (1.000 duff/B)"))
msg = "Fee rate (0.999 duff/B) is lower than the minimum fee rate setting (1.000 duff/B)"
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=0.999, expect_error=(-4, msg))
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=0.999, expect_error=(-4, msg))
self.log.info("Explicit fee rate raises if invalid fee_rate is passed")
# Test fee_rate with zero values.
msg = "Fee rate (0.000 duff/B) is lower than the minimum fee rate setting (1.000 duff/B)"
for zero_value in [0, 0.000, 0.00000000, "0", "0.000", "0.00000000"]:
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=zero_value, expect_error=(-4, msg))
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=zero_value, expect_error=(-4, msg))
msg = "Invalid amount"
# Test fee_rate values that don't pass fixed-point parsing checks.
for invalid_value in ["", 0.000000001, 1e-09, 1.111111111, 1111111111111111, "31.999999999999999999999"]:
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=invalid_value, expect_error=(-3, msg))
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=invalid_value, expect_error=(-3, msg))
# Test fee_rate values that cannot be represented in duff/B.
for invalid_value in [0.0001, 0.00000001, 0.00099999, 31.99999999, "0.0001", "0.00000001", "0.00099999", "31.99999999"]:
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=invalid_value, expect_error=(-3, msg))
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=invalid_value, expect_error=(-3, msg))
# Test fee_rate out of range (negative number).
msg = "Amount out of range"
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=-1, expect_error=(-3, msg))
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=-1, expect_error=(-3, msg))
# Test type error.
msg = "Amount is not a number or string"
for invalid_value in [True, {"foo": "bar"}]:
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate=invalid_value, expect_error=(-3, msg))
self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate=invalid_value, expect_error=(-3, msg))
# TODO: Return hex if fee rate is below -maxmempool
# res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, conf_target=0.1, estimate_mode="duff/b", add_to_wallet=False)