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-rw-r--r--src/rpc/rawtransaction.cpp153
1 files changed, 90 insertions, 63 deletions
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index b967f2dbf8..e65959bf0e 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -3,32 +3,35 @@
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-#include "base58.h"
-#include "chain.h"
-#include "coins.h"
-#include "consensus/validation.h"
-#include "core_io.h"
-#include "init.h"
-#include "keystore.h"
-#include "validation.h"
-#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"
-#include "script/script_error.h"
-#include "script/sign.h"
-#include "script/standard.h"
-#include "txmempool.h"
-#include "uint256.h"
-#include "utilstrencodings.h"
+#include <base58.h>
+#include <chain.h>
+#include <coins.h>
+#include <consensus/validation.h>
+#include <core_io.h>
+#include <init.h>
+#include <keystore.h>
+#include <validation.h>
+#include <validationinterface.h>
+#include <merkleblock.h>
+#include <net.h>
+#include <policy/policy.h>
+#include <policy/rbf.h>
+#include <primitives/transaction.h>
+#include <rpc/safemode.h>
+#include <rpc/server.h>
+#include <script/script.h>
+#include <script/script_error.h>
+#include <script/sign.h>
+#include <script/standard.h>
+#include <txmempool.h>
+#include <uint256.h>
+#include <utilstrencodings.h>
#ifdef ENABLE_WALLET
-#include "wallet/rpcwallet.h"
-#include "wallet/wallet.h"
+#include <wallet/rpcwallet.h>
+#include <wallet/wallet.h>
#endif
+#include <future>
#include <stdint.h>
#include <univalue.h>
@@ -41,7 +44,7 @@ void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry)
// Blockchain contextual information (confirmations and blocktime) is not
// available to code in bitcoin-common, so we query them here and push the
// data into the returned UniValue.
- TxToUniv(tx, uint256(), entry);
+ TxToUniv(tx, uint256(), entry, true, RPCSerializationFlags());
if (!hashBlock.IsNull()) {
entry.push_back(Pair("blockhash", hashBlock.GetHex()));
@@ -160,13 +163,10 @@ UniValue getrawtransaction(const JSONRPCRequest& request)
: "No such mempool transaction. Use -txindex to enable blockchain transaction queries") +
". Use gettransaction for wallet transactions.");
- std::string strHex = EncodeHexTx(*tx, RPCSerializationFlags());
-
if (!fVerbose)
- return strHex;
+ return EncodeHexTx(*tx, RPCSerializationFlags());
UniValue result(UniValue::VOBJ);
- result.push_back(Pair("hex", strHex));
TxToJSON(*tx, hashBlock, result);
return result;
}
@@ -208,7 +208,7 @@ UniValue gettxoutproof(const JSONRPCRequest& request)
LOCK(cs_main);
- CBlockIndex* pblockindex = NULL;
+ CBlockIndex* pblockindex = nullptr;
uint256 hashBlock;
if (!request.params[1].isNull())
@@ -228,7 +228,7 @@ UniValue gettxoutproof(const JSONRPCRequest& request)
}
}
- if (pblockindex == NULL)
+ if (pblockindex == nullptr)
{
CTransactionRef tx;
if (!GetTransaction(oneTxid, tx, Params().GetConsensus(), hashBlock, false) || hashBlock.IsNull())
@@ -339,14 +339,14 @@ UniValue createrawtransaction(const JSONRPCRequest& request)
CMutableTransaction rawTx;
- if (request.params.size() > 2 && !request.params[2].isNull()) {
+ if (!request.params[2].isNull()) {
int64_t nLockTime = request.params[2].get_int64();
if (nLockTime < 0 || nLockTime > std::numeric_limits<uint32_t>::max())
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, locktime out of range");
rawTx.nLockTime = nLockTime;
}
- bool rbfOptIn = request.params.size() > 3 ? request.params[3].isTrue() : false;
+ bool rbfOptIn = request.params[3].isTrue();
for (unsigned int idx = 0; idx < inputs.size(); idx++) {
const UniValue& input = inputs[idx];
@@ -386,7 +386,7 @@ UniValue createrawtransaction(const JSONRPCRequest& request)
rawTx.vin.push_back(in);
}
- std::set<CBitcoinAddress> setAddress;
+ std::set<CTxDestination> destinations;
std::vector<std::string> addrList = sendTo.getKeys();
for (const std::string& name_ : addrList) {
@@ -396,15 +396,16 @@ UniValue createrawtransaction(const JSONRPCRequest& request)
CTxOut out(0, CScript() << OP_RETURN << data);
rawTx.vout.push_back(out);
} else {
- CBitcoinAddress address(name_);
- if (!address.IsValid())
- throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, std::string("Invalid Bitcoin address: ")+name_);
+ CTxDestination destination = DecodeDestination(name_);
+ if (!IsValidDestination(destination)) {
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, std::string("Invalid Bitcoin address: ") + name_);
+ }
- if (setAddress.count(address))
- throw JSONRPCError(RPC_INVALID_PARAMETER, std::string("Invalid parameter, duplicated address: ")+name_);
- setAddress.insert(address);
+ if (!destinations.insert(destination).second) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, std::string("Invalid parameter, duplicated address: ") + name_);
+ }
- CScript scriptPubKey = GetScriptForDestination(address.Get());
+ CScript scriptPubKey = GetScriptForDestination(destination);
CAmount nAmount = AmountFromValue(sendTo[name_]);
CTxOut out(nAmount, scriptPubKey);
@@ -483,7 +484,7 @@ UniValue decoderawtransaction(const JSONRPCRequest& request)
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
UniValue result(UniValue::VOBJ);
- TxToUniv(CTransaction(std::move(mtx)), uint256(), result);
+ TxToUniv(CTransaction(std::move(mtx)), uint256(), result, false);
return result;
}
@@ -531,7 +532,7 @@ UniValue decodescript(const JSONRPCRequest& request)
if (type.isStr() && type.get_str() != "scripthash") {
// P2SH cannot be wrapped in a P2SH. If this script is already a P2SH,
// don't return the address for a P2SH of the P2SH.
- r.push_back(Pair("p2sh", CBitcoinAddress(CScriptID(script)).ToString()));
+ r.push_back(Pair("p2sh", EncodeDestination(CScriptID(script))));
}
return r;
@@ -572,7 +573,7 @@ UniValue combinerawtransaction(const JSONRPCRequest& request)
" ]\n"
"\nResult:\n"
- "\"hex\" : \"value\", (string) The hex-encoded raw transaction with signature(s)\n"
+ "\"hex\" (string) The hex-encoded raw transaction with signature(s)\n"
"\nExamples:\n"
+ HelpExampleCli("combinerawtransaction", "[\"myhex1\", \"myhex2\", \"myhex3\"]")
@@ -706,8 +707,9 @@ UniValue signrawtransaction(const JSONRPCRequest& request)
+ HelpExampleRpc("signrawtransaction", "\"myhex\"")
);
+ ObserveSafeMode();
#ifdef ENABLE_WALLET
- LOCK2(cs_main, pwallet ? &pwallet->cs_wallet : NULL);
+ LOCK2(cs_main, pwallet ? &pwallet->cs_wallet : nullptr);
#else
LOCK(cs_main);
#endif
@@ -735,7 +737,7 @@ UniValue signrawtransaction(const JSONRPCRequest& request)
bool fGivenKeys = false;
CBasicKeyStore tempKeystore;
- if (request.params.size() > 2 && !request.params[2].isNull()) {
+ if (!request.params[2].isNull()) {
fGivenKeys = true;
UniValue keys = request.params[2].get_array();
for (unsigned int idx = 0; idx < keys.size(); idx++) {
@@ -757,7 +759,7 @@ UniValue signrawtransaction(const JSONRPCRequest& request)
#endif
// Add previous txouts given in the RPC call:
- if (request.params.size() > 1 && !request.params[1].isNull()) {
+ if (!request.params[1].isNull()) {
UniValue prevTxs = request.params[1].get_array();
for (unsigned int idx = 0; idx < prevTxs.size(); idx++) {
const UniValue& p = prevTxs[idx];
@@ -828,7 +830,7 @@ UniValue signrawtransaction(const JSONRPCRequest& request)
#endif
int nHashType = SIGHASH_ALL;
- if (request.params.size() > 3 && !request.params[3].isNull()) {
+ if (!request.params[3].isNull()) {
static std::map<std::string, int> mapSigHashValues = {
{std::string("ALL"), int(SIGHASH_ALL)},
{std::string("ALL|ANYONECANPAY"), int(SIGHASH_ALL|SIGHASH_ANYONECANPAY)},
@@ -873,7 +875,12 @@ UniValue signrawtransaction(const JSONRPCRequest& request)
ScriptError serror = SCRIPT_ERR_OK;
if (!VerifyScript(txin.scriptSig, prevPubKey, &txin.scriptWitness, STANDARD_SCRIPT_VERIFY_FLAGS, TransactionSignatureChecker(&txConst, i, amount), &serror)) {
- TxInErrorToJSON(txin, vErrors, ScriptErrorString(serror));
+ if (serror == SCRIPT_ERR_INVALID_STACK_OPERATION) {
+ // Unable to sign input and verification failed (possible attempt to partially sign).
+ TxInErrorToJSON(txin, vErrors, "Unable to sign input, invalid stack size (possibly missing key)");
+ } else {
+ TxInErrorToJSON(txin, vErrors, ScriptErrorString(serror));
+ }
}
}
bool fComplete = vErrors.empty();
@@ -911,7 +918,10 @@ UniValue sendrawtransaction(const JSONRPCRequest& request)
+ HelpExampleRpc("sendrawtransaction", "\"signedhex\"")
);
- LOCK(cs_main);
+ ObserveSafeMode();
+
+ std::promise<void> promise;
+
RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VBOOL});
// parse hex string from parameter
@@ -922,9 +932,11 @@ UniValue sendrawtransaction(const JSONRPCRequest& request)
const uint256& hashTx = tx->GetHash();
CAmount nMaxRawTxFee = maxTxFee;
- if (request.params.size() > 1 && request.params[1].get_bool())
+ if (!request.params[1].isNull() && request.params[1].get_bool())
nMaxRawTxFee = 0;
+ { // cs_main scope
+ LOCK(cs_main);
CCoinsViewCache &view = *pcoinsTip;
bool fHaveChain = false;
for (size_t o = 0; !fHaveChain && o < tx->vout.size(); o++) {
@@ -936,8 +948,8 @@ UniValue sendrawtransaction(const JSONRPCRequest& request)
// push to local node and sync with wallets
CValidationState state;
bool fMissingInputs;
- bool fLimitFree = true;
- if (!AcceptToMemoryPool(mempool, state, std::move(tx), fLimitFree, &fMissingInputs, NULL, false, nMaxRawTxFee)) {
+ if (!AcceptToMemoryPool(mempool, state, std::move(tx), &fMissingInputs,
+ nullptr /* plTxnReplaced */, false /* bypass_limits */, nMaxRawTxFee)) {
if (state.IsInvalid()) {
throw JSONRPCError(RPC_TRANSACTION_REJECTED, strprintf("%i: %s", state.GetRejectCode(), state.GetRejectReason()));
} else {
@@ -946,10 +958,24 @@ UniValue sendrawtransaction(const JSONRPCRequest& request)
}
throw JSONRPCError(RPC_TRANSACTION_ERROR, state.GetRejectReason());
}
+ } else {
+ // If wallet is enabled, ensure that the wallet has been made aware
+ // of the new transaction prior to returning. This prevents a race
+ // where a user might call sendrawtransaction with a transaction
+ // to/from their wallet, immediately call some wallet RPC, and get
+ // a stale result because callbacks have not yet been processed.
+ CallFunctionInValidationInterfaceQueue([&promise] {
+ promise.set_value();
+ });
}
} else if (fHaveChain) {
throw JSONRPCError(RPC_TRANSACTION_ALREADY_IN_CHAIN, "transaction already in block chain");
}
+
+ } // cs_main
+
+ promise.get_future().wait();
+
if(!g_connman)
throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");
@@ -958,22 +984,23 @@ UniValue sendrawtransaction(const JSONRPCRequest& request)
{
pnode->PushInventory(inv);
});
+
return hashTx.GetHex();
}
static const CRPCCommand commands[] =
-{ // category name actor (function) okSafeMode
+{ // category name actor (function) argNames
// --------------------- ------------------------ ----------------------- ----------
- { "rawtransactions", "getrawtransaction", &getrawtransaction, true, {"txid","verbose"} },
- { "rawtransactions", "createrawtransaction", &createrawtransaction, true, {"inputs","outputs","locktime","replaceable"} },
- { "rawtransactions", "decoderawtransaction", &decoderawtransaction, true, {"hexstring"} },
- { "rawtransactions", "decodescript", &decodescript, true, {"hexstring"} },
- { "rawtransactions", "sendrawtransaction", &sendrawtransaction, false, {"hexstring","allowhighfees"} },
- { "rawtransactions", "combinerawtransaction", &combinerawtransaction, true, {"txs"} },
- { "rawtransactions", "signrawtransaction", &signrawtransaction, false, {"hexstring","prevtxs","privkeys","sighashtype"} }, /* uses wallet if enabled */
-
- { "blockchain", "gettxoutproof", &gettxoutproof, true, {"txids", "blockhash"} },
- { "blockchain", "verifytxoutproof", &verifytxoutproof, true, {"proof"} },
+ { "rawtransactions", "getrawtransaction", &getrawtransaction, {"txid","verbose"} },
+ { "rawtransactions", "createrawtransaction", &createrawtransaction, {"inputs","outputs","locktime","replaceable"} },
+ { "rawtransactions", "decoderawtransaction", &decoderawtransaction, {"hexstring"} },
+ { "rawtransactions", "decodescript", &decodescript, {"hexstring"} },
+ { "rawtransactions", "sendrawtransaction", &sendrawtransaction, {"hexstring","allowhighfees"} },
+ { "rawtransactions", "combinerawtransaction", &combinerawtransaction, {"txs"} },
+ { "rawtransactions", "signrawtransaction", &signrawtransaction, {"hexstring","prevtxs","privkeys","sighashtype"} }, /* uses wallet if enabled */
+
+ { "blockchain", "gettxoutproof", &gettxoutproof, {"txids", "blockhash"} },
+ { "blockchain", "verifytxoutproof", &verifytxoutproof, {"proof"} },
};
void RegisterRawTransactionRPCCommands(CRPCTable &t)