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-rw-r--r--src/test/fuzz/http_request.cpp17
-rw-r--r--src/wallet/scriptpubkeyman.cpp2
-rw-r--r--src/wallet/wallet.cpp23
-rwxr-xr-xtest/functional/rpc_fundrawtransaction.py9
-rwxr-xr-xtest/functional/wallet_keypool.py60
5 files changed, 90 insertions, 21 deletions
diff --git a/src/test/fuzz/http_request.cpp b/src/test/fuzz/http_request.cpp
index 4104c5574d..ebf89749e9 100644
--- a/src/test/fuzz/http_request.cpp
+++ b/src/test/fuzz/http_request.cpp
@@ -9,6 +9,7 @@
#include <test/fuzz/util.h>
#include <event2/buffer.h>
+#include <event2/event.h>
#include <event2/http.h>
#include <event2/http_struct.h>
@@ -17,8 +18,24 @@
#include <string>
#include <vector>
+// workaround for libevent versions before 2.1.1,
+// when internal functions didn't have underscores at the end
+#if LIBEVENT_VERSION_NUMBER < 0x02010100
+extern "C" int evhttp_parse_firstline(struct evhttp_request*, struct evbuffer*);
+extern "C" int evhttp_parse_headers(struct evhttp_request*, struct evbuffer*);
+inline int evhttp_parse_firstline_(struct evhttp_request* r, struct evbuffer* b)
+{
+ return evhttp_parse_firstline(r, b);
+}
+inline int evhttp_parse_headers_(struct evhttp_request* r, struct evbuffer* b)
+{
+ return evhttp_parse_headers(r, b);
+}
+#else
extern "C" int evhttp_parse_firstline_(struct evhttp_request*, struct evbuffer*);
extern "C" int evhttp_parse_headers_(struct evhttp_request*, struct evbuffer*);
+#endif
+
std::string RequestMethodString(HTTPRequest::RequestMethod m);
void test_one_input(const std::vector<uint8_t>& buffer)
diff --git a/src/wallet/scriptpubkeyman.cpp b/src/wallet/scriptpubkeyman.cpp
index aa81ebe2fd..ec75f06e5e 100644
--- a/src/wallet/scriptpubkeyman.cpp
+++ b/src/wallet/scriptpubkeyman.cpp
@@ -20,7 +20,7 @@ bool LegacyScriptPubKeyMan::GetNewDestination(const OutputType type, CTxDestinat
// Generate a new key that is added to wallet
CPubKey new_key;
if (!GetKeyFromPool(new_key, type)) {
- error = "Error: Keypool ran out, please call keypoolrefill first";
+ error = _("Error: Keypool ran out, please call keypoolrefill first").translated;
return false;
}
LearnRelatedScripts(new_key, type);
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index feb0563409..4ba74f7f92 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -2770,20 +2770,14 @@ bool CWallet::CreateTransaction(interfaces::Chain::Lock& locked_chain, const std
// rediscover unknown transactions that were written with keys of ours to recover
// post-backup change.
- // Reserve a new key pair from key pool
- if (!CanGetAddresses(true)) {
- strFailReason = _("Can't generate a change-address key. No keys in the internal keypool and can't generate any keys.").translated;
- return false;
- }
+ // Reserve a new key pair from key pool. If it fails, provide a dummy
+ // destination in case we don't need change.
CTxDestination dest;
- bool ret = reservedest.GetReservedDestination(dest, true);
- if (!ret)
- {
- strFailReason = "Keypool ran out, please call keypoolrefill first";
- return false;
+ if (!reservedest.GetReservedDestination(dest, true)) {
+ strFailReason = _("Transaction needs a change address, but we can't generate it. Please call keypoolrefill first.").translated;
}
-
scriptChange = GetScriptForDestination(dest);
+ assert(!dest.empty() || scriptChange.empty());
}
CTxOut change_prototype_txout(0, scriptChange);
coin_selection_params.change_output_size = GetSerializeSize(change_prototype_txout);
@@ -2999,6 +2993,11 @@ bool CWallet::CreateTransaction(interfaces::Chain::Lock& locked_chain, const std
coin_selection_params.use_bnb = false;
continue;
}
+
+ // Give up if change keypool ran out and we failed to find a solution without change:
+ if (scriptChange.empty() && nChangePosInOut != -1) {
+ return false;
+ }
}
// Shuffle selected coins and fill in final vin
@@ -3294,7 +3293,7 @@ bool CWallet::GetNewChangeDestination(const OutputType type, CTxDestination& des
ReserveDestination reservedest(this, type);
if (!reservedest.GetReservedDestination(dest, true)) {
- error = "Error: Keypool ran out, please call keypoolrefill first";
+ error = _("Error: Keypool ran out, please call keypoolrefill first").translated;
return false;
}
diff --git a/test/functional/rpc_fundrawtransaction.py b/test/functional/rpc_fundrawtransaction.py
index 891c4393b3..4bc4913bda 100755
--- a/test/functional/rpc_fundrawtransaction.py
+++ b/test/functional/rpc_fundrawtransaction.py
@@ -500,11 +500,16 @@ class RawTransactionsTest(BitcoinTestFramework):
self.nodes[1].getnewaddress()
self.nodes[1].getrawchangeaddress()
inputs = []
- outputs = {self.nodes[0].getnewaddress():1.1}
+ outputs = {self.nodes[0].getnewaddress():1.09999500}
rawtx = self.nodes[1].createrawtransaction(inputs, outputs)
+ # fund a transaction that does not require a new key for the change output
+ self.nodes[1].fundrawtransaction(rawtx)
+
# fund a transaction that requires a new key for the change output
# creating the key must be impossible because the wallet is locked
- assert_raises_rpc_error(-4, "Keypool ran out, please call keypoolrefill first", self.nodes[1].fundrawtransaction, rawtx)
+ outputs = {self.nodes[0].getnewaddress():1.1}
+ rawtx = self.nodes[1].createrawtransaction(inputs, outputs)
+ assert_raises_rpc_error(-4, "Transaction needs a change address, but we can't generate it. Please call keypoolrefill first.", self.nodes[1].fundrawtransaction, rawtx)
# Refill the keypool.
self.nodes[1].walletpassphrase("test", 100)
diff --git a/test/functional/wallet_keypool.py b/test/functional/wallet_keypool.py
index e3aeb61197..9e2f00e62f 100755
--- a/test/functional/wallet_keypool.py
+++ b/test/functional/wallet_keypool.py
@@ -5,6 +5,7 @@
"""Test the wallet keypool and interaction with wallet encryption/locking."""
import time
+from decimal import Decimal
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal, assert_raises_rpc_error
@@ -53,12 +54,12 @@ class KeyPoolTest(BitcoinTestFramework):
assert_raises_rpc_error(-12, "Keypool ran out", nodes[0].getrawchangeaddress)
# drain the external keys
- addr.add(nodes[0].getnewaddress())
- addr.add(nodes[0].getnewaddress())
- addr.add(nodes[0].getnewaddress())
- addr.add(nodes[0].getnewaddress())
- addr.add(nodes[0].getnewaddress())
- addr.add(nodes[0].getnewaddress())
+ addr.add(nodes[0].getnewaddress(address_type="bech32"))
+ addr.add(nodes[0].getnewaddress(address_type="bech32"))
+ addr.add(nodes[0].getnewaddress(address_type="bech32"))
+ addr.add(nodes[0].getnewaddress(address_type="bech32"))
+ addr.add(nodes[0].getnewaddress(address_type="bech32"))
+ addr.add(nodes[0].getnewaddress(address_type="bech32"))
assert len(addr) == 6
# the next one should fail
assert_raises_rpc_error(-12, "Error: Keypool ran out, please call keypoolrefill first", nodes[0].getnewaddress)
@@ -82,5 +83,52 @@ class KeyPoolTest(BitcoinTestFramework):
assert_equal(wi['keypoolsize_hd_internal'], 100)
assert_equal(wi['keypoolsize'], 100)
+ # create a blank wallet
+ nodes[0].createwallet(wallet_name='w2', blank=True)
+ w2 = nodes[0].get_wallet_rpc('w2')
+
+ # refer to initial wallet as w1
+ w1 = nodes[0].get_wallet_rpc('')
+
+ # import private key and fund it
+ address = addr.pop()
+ privkey = w1.dumpprivkey(address)
+ res = w2.importmulti([{'scriptPubKey': {'address': address}, 'keys': [privkey], 'timestamp': 'now'}])
+ assert_equal(res[0]['success'], True)
+ w1.walletpassphrase('test', 100)
+
+ res = w1.sendtoaddress(address=address, amount=0.00010000)
+ nodes[0].generate(1)
+ destination = addr.pop()
+
+ # Using a fee rate (10 sat / byte) well above the minimum relay rate
+ # creating a 5,000 sat transaction with change should not be possible
+ assert_raises_rpc_error(-4, "Transaction needs a change address, but we can't generate it. Please call keypoolrefill first.", w2.walletcreatefundedpsbt, inputs=[], outputs=[{addr.pop(): 0.00005000}], options={"subtractFeeFromOutputs": [0], "feeRate": 0.00010})
+
+ # creating a 10,000 sat transaction without change, with a manual input, should still be possible
+ res = w2.walletcreatefundedpsbt(inputs=w2.listunspent(), outputs=[{destination: 0.00010000}], options={"subtractFeeFromOutputs": [0], "feeRate": 0.00010})
+ assert_equal("psbt" in res, True)
+
+ # creating a 10,000 sat transaction without change should still be possible
+ res = w2.walletcreatefundedpsbt(inputs=[], outputs=[{destination: 0.00010000}], options={"subtractFeeFromOutputs": [0], "feeRate": 0.00010})
+ assert_equal("psbt" in res, True)
+ # should work without subtractFeeFromOutputs if the exact fee is subtracted from the amount
+ res = w2.walletcreatefundedpsbt(inputs=[], outputs=[{destination: 0.00008900}], options={"feeRate": 0.00010})
+ assert_equal("psbt" in res, True)
+
+ # dust change should be removed
+ res = w2.walletcreatefundedpsbt(inputs=[], outputs=[{destination: 0.00008800}], options={"feeRate": 0.00010})
+ assert_equal("psbt" in res, True)
+
+ # create a transaction without change at the maximum fee rate, such that the output is still spendable:
+ res = w2.walletcreatefundedpsbt(inputs=[], outputs=[{destination: 0.00010000}], options={"subtractFeeFromOutputs": [0], "feeRate": 0.0008824})
+ assert_equal("psbt" in res, True)
+ assert_equal(res["fee"], Decimal("0.00009706"))
+
+ # creating a 10,000 sat transaction with a manual change address should be possible
+ res = w2.walletcreatefundedpsbt(inputs=[], outputs=[{destination: 0.00010000}], options={"subtractFeeFromOutputs": [0], "feeRate": 0.00010, "changeAddress": addr.pop()})
+ assert_equal("psbt" in res, True)
+
+
if __name__ == '__main__':
KeyPoolTest().main()