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-rw-r--r--src/Makefile.am2
-rw-r--r--src/bitcoin-tx.cpp25
-rw-r--r--src/policy/rbf.h2
-rw-r--r--src/rpc/client.cpp1
-rw-r--r--src/rpc/rawtransaction.cpp26
-rw-r--r--src/wallet/rpcwallet.cpp30
-rw-r--r--src/wallet/wallet.cpp10
-rw-r--r--src/wallet/wallet.h2
8 files changed, 73 insertions, 25 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index ae2eb29c94..199d60b725 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -198,6 +198,7 @@ libbitcoin_server_a_SOURCES = \
noui.cpp \
policy/fees.cpp \
policy/policy.cpp \
+ policy/rbf.cpp \
pow.cpp \
rest.cpp \
rpc/blockchain.cpp \
@@ -240,7 +241,6 @@ libbitcoin_wallet_a_SOURCES = \
wallet/rpcwallet.cpp \
wallet/wallet.cpp \
wallet/walletdb.cpp \
- policy/rbf.cpp \
$(BITCOIN_CORE_H)
# crypto primitives library
diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp
index cf280f485c..367801dd78 100644
--- a/src/bitcoin-tx.cpp
+++ b/src/bitcoin-tx.cpp
@@ -13,6 +13,7 @@
#include "core_io.h"
#include "keystore.h"
#include "policy/policy.h"
+#include "policy/rbf.h"
#include "primitives/transaction.h"
#include "script/script.h"
#include "script/sign.h"
@@ -77,6 +78,7 @@ static int AppInitRawTx(int argc, char* argv[])
strUsage += HelpMessageOpt("in=TXID:VOUT(:SEQUENCE_NUMBER)", _("Add input to TX"));
strUsage += HelpMessageOpt("locktime=N", _("Set TX lock time to N"));
strUsage += HelpMessageOpt("nversion=N", _("Set TX version to N"));
+ strUsage += HelpMessageOpt("rbfoptin(=N)", _("Set RBF opt-in sequence number for input N (if not provided, opt-in all available inputs)"));
strUsage += HelpMessageOpt("outaddr=VALUE:ADDRESS", _("Add address-based output to TX"));
strUsage += HelpMessageOpt("outpubkey=VALUE:PUBKEY[:FLAGS]", _("Add pay-to-pubkey output to TX") + ". " +
_("Optionally add the \"W\" flag to produce a pay-to-witness-pubkey-hash output") + ". " +
@@ -202,6 +204,26 @@ static void MutateTxLocktime(CMutableTransaction& tx, const std::string& cmdVal)
tx.nLockTime = (unsigned int) newLocktime;
}
+static void MutateTxRBFOptIn(CMutableTransaction& tx, const std::string& strInIdx)
+{
+ // parse requested index
+ int inIdx = atoi(strInIdx);
+ if (inIdx < 0 || inIdx >= (int)tx.vin.size()) {
+ throw std::runtime_error("Invalid TX input index '" + strInIdx + "'");
+ }
+
+ // set the nSequence to MAX_INT - 2 (= RBF opt in flag)
+ int cnt = 0;
+ for (CTxIn& txin : tx.vin) {
+ if (strInIdx == "" || cnt == inIdx) {
+ if (txin.nSequence > MAX_BIP125_RBF_SEQUENCE) {
+ txin.nSequence = MAX_BIP125_RBF_SEQUENCE;
+ }
+ }
+ ++cnt;
+ }
+}
+
static void MutateTxAddInput(CMutableTransaction& tx, const std::string& strInput)
{
std::vector<std::string> vStrInputParts;
@@ -649,6 +671,9 @@ static void MutateTx(CMutableTransaction& tx, const std::string& command,
MutateTxVersion(tx, commandVal);
else if (command == "locktime")
MutateTxLocktime(tx, commandVal);
+ else if (command == "rbfoptin") {
+ MutateTxRBFOptIn(tx, commandVal);
+ }
else if (command == "delin")
MutateTxDelInput(tx, commandVal);
diff --git a/src/policy/rbf.h b/src/policy/rbf.h
index 139aec5760..22c73f3319 100644
--- a/src/policy/rbf.h
+++ b/src/policy/rbf.h
@@ -7,6 +7,8 @@
#include "txmempool.h"
+static const uint32_t MAX_BIP125_RBF_SEQUENCE = 0xfffffffd;
+
enum RBFTransactionState {
RBF_TRANSACTIONSTATE_UNKNOWN,
RBF_TRANSACTIONSTATE_REPLACEABLE_BIP125,
diff --git a/src/rpc/client.cpp b/src/rpc/client.cpp
index ed83d1da1e..8dd84e20c9 100644
--- a/src/rpc/client.cpp
+++ b/src/rpc/client.cpp
@@ -86,6 +86,7 @@ static const CRPCConvertParam vRPCConvertParams[] =
{ "createrawtransaction", 0, "inputs" },
{ "createrawtransaction", 1, "outputs" },
{ "createrawtransaction", 2, "locktime" },
+ { "createrawtransaction", 3, "optintorbf" },
{ "signrawtransaction", 1, "prevtxs" },
{ "signrawtransaction", 2, "privkeys" },
{ "sendrawtransaction", 1, "allowhighfees" },
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index e27c2a77c7..00ddd9d16f 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -14,6 +14,7 @@
#include "merkleblock.h"
#include "net.h"
#include "policy/policy.h"
+#include "policy/rbf.h"
#include "primitives/transaction.h"
#include "rpc/server.h"
#include "script/script.h"
@@ -289,9 +290,9 @@ UniValue verifytxoutproof(const JSONRPCRequest& request)
UniValue createrawtransaction(const JSONRPCRequest& request)
{
- if (request.fHelp || request.params.size() < 2 || request.params.size() > 3)
+ if (request.fHelp || request.params.size() < 2 || request.params.size() > 4)
throw std::runtime_error(
- "createrawtransaction [{\"txid\":\"id\",\"vout\":n},...] {\"address\":amount,\"data\":\"hex\",...} ( locktime )\n"
+ "createrawtransaction [{\"txid\":\"id\",\"vout\":n},...] {\"address\":amount,\"data\":\"hex\",...} ( locktime ) ( optintorbf )\n"
"\nCreate a transaction spending the given inputs and creating new outputs.\n"
"Outputs can be addresses or data.\n"
"Returns hex-encoded raw transaction.\n"
@@ -315,6 +316,7 @@ UniValue createrawtransaction(const JSONRPCRequest& request)
" ,...\n"
" }\n"
"3. locktime (numeric, optional, default=0) Raw locktime. Non-0 value also locktime-activates inputs\n"
+ "4. optintorbf (boolean, optional, default=false) Allow this transaction to be replaced by a transaction with higher fees. If provided, it is an error if explicit sequence numbers are incompatible.\n"
"\nResult:\n"
"\"transaction\" (string) hex string of the transaction\n"
@@ -341,6 +343,8 @@ UniValue createrawtransaction(const JSONRPCRequest& request)
rawTx.nLockTime = nLockTime;
}
+ bool rbfOptIn = request.params.size() > 3 ? request.params[3].isTrue() : false;
+
for (unsigned int idx = 0; idx < inputs.size(); idx++) {
const UniValue& input = inputs[idx];
const UniValue& o = input.get_obj();
@@ -354,16 +358,24 @@ UniValue createrawtransaction(const JSONRPCRequest& request)
if (nOutput < 0)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout must be positive");
- uint32_t nSequence = (rawTx.nLockTime ? std::numeric_limits<uint32_t>::max() - 1 : std::numeric_limits<uint32_t>::max());
+ uint32_t nSequence;
+ if (rbfOptIn) {
+ nSequence = MAX_BIP125_RBF_SEQUENCE;
+ } else if (rawTx.nLockTime) {
+ nSequence = std::numeric_limits<uint32_t>::max() - 1;
+ } else {
+ nSequence = std::numeric_limits<uint32_t>::max();
+ }
// set the sequence number if passed in the parameters object
const UniValue& sequenceObj = find_value(o, "sequence");
if (sequenceObj.isNum()) {
int64_t seqNr64 = sequenceObj.get_int64();
- if (seqNr64 < 0 || seqNr64 > std::numeric_limits<uint32_t>::max())
+ if (seqNr64 < 0 || seqNr64 > std::numeric_limits<uint32_t>::max()) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, sequence number is out of range");
- else
+ } else {
nSequence = (uint32_t)seqNr64;
+ }
}
CTxIn in(COutPoint(txid, nOutput), CScript(), nSequence);
@@ -397,6 +409,10 @@ UniValue createrawtransaction(const JSONRPCRequest& request)
}
}
+ if (request.params.size() > 3 && rbfOptIn != SignalsOptInRBF(rawTx)) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter combination: Sequence number(s) contradict optintorbf option");
+ }
+
return EncodeHexTx(rawTx);
}
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 3b6dfd42ca..0841c23b86 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -21,6 +21,7 @@
#include "timedata.h"
#include "util.h"
#include "utilmoneystr.h"
+#include "wallet/coincontrol.h"
#include "wallet/feebumper.h"
#include "wallet/wallet.h"
#include "wallet/walletdb.h"
@@ -2628,7 +2629,7 @@ UniValue fundrawtransaction(const JSONRPCRequest& request)
return NullUniValue;
}
- if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
+ if (request.fHelp || request.params.size() < 1 || request.params.size() > 3)
throw std::runtime_error(
"fundrawtransaction \"hexstring\" ( options )\n"
"\nAdd inputs to a transaction until it has enough in value to meet its out value.\n"
@@ -2657,6 +2658,7 @@ UniValue fundrawtransaction(const JSONRPCRequest& request)
" Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n"
" If no outputs are specified here, the sender pays the fee.\n"
" [vout_index,...]\n"
+ " \"optIntoRbf\" (boolean, optional) Allow this transaction to be replaced by a transaction with higher fees\n"
" }\n"
" for backward compatibility: passing in a true instead of an object will result in {\"includeWatching\":true}\n"
"\nResult:\n"
@@ -2678,20 +2680,21 @@ UniValue fundrawtransaction(const JSONRPCRequest& request)
RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VSTR));
- CTxDestination changeAddress = CNoDestination();
+ CCoinControl coinControl;
+ coinControl.destChange = CNoDestination();
int changePosition = -1;
- bool includeWatching = false;
+ coinControl.fAllowWatchOnly = false; // include watching
bool lockUnspents = false;
bool reserveChangeKey = true;
- CFeeRate feeRate = CFeeRate(0);
- bool overrideEstimatedFeerate = false;
+ coinControl.nFeeRate = CFeeRate(0);
+ coinControl.fOverrideFeeRate = false;
UniValue subtractFeeFromOutputs;
std::set<int> setSubtractFeeFromOutputs;
if (request.params.size() > 1) {
if (request.params[1].type() == UniValue::VBOOL) {
// backward compatibility bool only fallback
- includeWatching = request.params[1].get_bool();
+ coinControl.fAllowWatchOnly = request.params[1].get_bool();
}
else {
RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VSTR)(UniValue::VOBJ));
@@ -2707,6 +2710,7 @@ UniValue fundrawtransaction(const JSONRPCRequest& request)
{"reserveChangeKey", UniValueType(UniValue::VBOOL)},
{"feeRate", UniValueType()}, // will be checked below
{"subtractFeeFromOutputs", UniValueType(UniValue::VARR)},
+ {"optIntoRbf", UniValueType(UniValue::VBOOL)},
},
true, true);
@@ -2716,14 +2720,14 @@ UniValue fundrawtransaction(const JSONRPCRequest& request)
if (!address.IsValid())
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "changeAddress must be a valid bitcoin address");
- changeAddress = address.Get();
+ coinControl.destChange = address.Get();
}
if (options.exists("changePosition"))
changePosition = options["changePosition"].get_int();
if (options.exists("includeWatching"))
- includeWatching = options["includeWatching"].get_bool();
+ coinControl.fAllowWatchOnly = options["includeWatching"].get_bool();
if (options.exists("lockUnspents"))
lockUnspents = options["lockUnspents"].get_bool();
@@ -2733,12 +2737,16 @@ UniValue fundrawtransaction(const JSONRPCRequest& request)
if (options.exists("feeRate"))
{
- feeRate = CFeeRate(AmountFromValue(options["feeRate"]));
- overrideEstimatedFeerate = true;
+ coinControl.nFeeRate = CFeeRate(AmountFromValue(options["feeRate"]));
+ coinControl.fOverrideFeeRate = true;
}
if (options.exists("subtractFeeFromOutputs"))
subtractFeeFromOutputs = options["subtractFeeFromOutputs"].get_array();
+
+ if (options.exists("optIntoRbf")) {
+ coinControl.signalRbf = options["optIntoRbf"].get_bool();
+ }
}
}
@@ -2767,7 +2775,7 @@ UniValue fundrawtransaction(const JSONRPCRequest& request)
CAmount nFeeOut;
std::string strFailReason;
- if (!pwallet->FundTransaction(tx, nFeeOut, overrideEstimatedFeerate, feeRate, changePosition, strFailReason, includeWatching, lockUnspents, setSubtractFeeFromOutputs, reserveChangeKey, changeAddress)) {
+ if (!pwallet->FundTransaction(tx, nFeeOut, changePosition, strFailReason, lockUnspents, setSubtractFeeFromOutputs, coinControl, reserveChangeKey)) {
throw JSONRPCError(RPC_WALLET_ERROR, strFailReason);
}
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 3e000d2a9d..b2706d09f6 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -2414,7 +2414,7 @@ bool CWallet::SignTransaction(CMutableTransaction &tx)
return true;
}
-bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, bool overrideEstimatedFeeRate, const CFeeRate& specificFeeRate, int& nChangePosInOut, std::string& strFailReason, bool includeWatching, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, bool keepReserveKey, const CTxDestination& destChange)
+bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nChangePosInOut, std::string& strFailReason, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, CCoinControl coinControl, bool keepReserveKey)
{
std::vector<CRecipient> vecSend;
@@ -2426,12 +2426,7 @@ bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, bool ov
vecSend.push_back(recipient);
}
- CCoinControl coinControl;
- coinControl.destChange = destChange;
coinControl.fAllowOtherInputs = true;
- coinControl.fAllowWatchOnly = includeWatching;
- coinControl.fOverrideFeeRate = overrideEstimatedFeeRate;
- coinControl.nFeeRate = specificFeeRate;
BOOST_FOREACH(const CTxIn& txin, tx.vin)
coinControl.Select(txin.prevout);
@@ -2690,9 +2685,10 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT
// and in the spirit of "smallest possible change from prior
// behavior."
bool rbf = coinControl ? coinControl->signalRbf : fWalletRbf;
+ const uint32_t nSequence = rbf ? MAX_BIP125_RBF_SEQUENCE : (std::numeric_limits<unsigned int>::max() - 1);
for (const auto& coin : setCoins)
txNew.vin.push_back(CTxIn(coin.outpoint,CScript(),
- std::numeric_limits<unsigned int>::max() - (rbf ? 2 : 1)));
+ nSequence));
// Fill in dummy signatures for fee calculation.
if (!DummySignTx(txNew, setCoins)) {
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 8276b29a55..a9c50aee4d 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -932,7 +932,7 @@ public:
* Insert additional inputs into the transaction by
* calling CreateTransaction();
*/
- bool FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, bool overrideEstimatedFeeRate, const CFeeRate& specificFeeRate, int& nChangePosInOut, std::string& strFailReason, bool includeWatching, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, bool keepReserveKey = true, const CTxDestination& destChange = CNoDestination());
+ bool FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nChangePosInOut, std::string& strFailReason, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, CCoinControl, bool keepReserveKey = true);
bool SignTransaction(CMutableTransaction& tx);
/**