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-rw-r--r--src/bitcoin-tx.cpp81
1 files changed, 51 insertions, 30 deletions
diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp
index d8d7934bf6..a9f7264f68 100644
--- a/src/bitcoin-tx.cpp
+++ b/src/bitcoin-tx.cpp
@@ -1,26 +1,26 @@
-// Copyright (c) 2009-2016 The Bitcoin Core developers
+// Copyright (c) 2009-2017 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#if defined(HAVE_CONFIG_H)
-#include "config/bitcoin-config.h"
+#include <config/bitcoin-config.h>
#endif
-#include "base58.h"
-#include "clientversion.h"
-#include "coins.h"
-#include "consensus/consensus.h"
-#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"
+#include <base58.h>
+#include <clientversion.h>
+#include <coins.h>
+#include <consensus/consensus.h>
+#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>
#include <univalue.h>
-#include "util.h"
-#include "utilmoneystr.h"
-#include "utilstrencodings.h"
+#include <util.h>
+#include <utilmoneystr.h>
+#include <utilstrencodings.h>
#include <stdio.h>
@@ -77,18 +77,18 @@ 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("replaceable(=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("outdata=[VALUE:]DATA", _("Add data-based output to TX"));
+ strUsage += HelpMessageOpt("outmultisig=VALUE:REQUIRED:PUBKEYS:PUBKEY1:PUBKEY2:....[:FLAGS]", _("Add Pay To n-of-m Multi-sig output to TX. n = REQUIRED, m = PUBKEYS") + ". " +
+ _("Optionally add the \"W\" flag to produce a pay-to-witness-script-hash output") + ". " +
+ _("Optionally add the \"S\" flag to wrap the output in a pay-to-script-hash."));
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") + ". " +
_("Optionally add the \"S\" flag to wrap the output in a pay-to-script-hash."));
- strUsage += HelpMessageOpt("outdata=[VALUE:]DATA", _("Add data-based output to TX"));
strUsage += HelpMessageOpt("outscript=VALUE:SCRIPT[:FLAGS]", _("Add raw script output to TX") + ". " +
_("Optionally add the \"W\" flag to produce a pay-to-witness-script-hash output") + ". " +
_("Optionally add the \"S\" flag to wrap the output in a pay-to-script-hash."));
- strUsage += HelpMessageOpt("outmultisig=VALUE:REQUIRED:PUBKEYS:PUBKEY1:PUBKEY2:....[:FLAGS]", _("Add Pay To n-of-m Multi-sig output to TX. n = REQUIRED, m = PUBKEYS") + ". " +
- _("Optionally add the \"W\" flag to produce a pay-to-witness-script-hash output") + ". " +
- _("Optionally add the \"S\" flag to wrap the output in a pay-to-script-hash."));
+ strUsage += HelpMessageOpt("replaceable(=N)", _("Set RBF opt-in sequence number for input N (if not provided, opt-in all available inputs)"));
strUsage += HelpMessageOpt("sign=SIGHASH-FLAGS", _("Add zero or more signatures to transaction") + ". " +
_("This command requires JSON registers:") +
_("prevtxs=JSON object") + ", " +
@@ -305,11 +305,14 @@ static void MutateTxAddOutPubKey(CMutableTransaction& tx, const std::string& str
bool bScriptHash = false;
if (vStrInputParts.size() == 3) {
std::string flags = vStrInputParts[2];
- bSegWit = (flags.find("W") != std::string::npos);
- bScriptHash = (flags.find("S") != std::string::npos);
+ bSegWit = (flags.find('W') != std::string::npos);
+ bScriptHash = (flags.find('S') != std::string::npos);
}
if (bSegWit) {
+ if (!pubkey.IsCompressed()) {
+ throw std::runtime_error("Uncompressed pubkeys are not useable for SegWit outputs");
+ }
// Call GetScriptForWitness() to build a P2WSH scriptPubKey
scriptPubKey = GetScriptForWitness(scriptPubKey);
}
@@ -364,8 +367,8 @@ static void MutateTxAddOutMultiSig(CMutableTransaction& tx, const std::string& s
bool bScriptHash = false;
if (vStrInputParts.size() == numkeys + 4) {
std::string flags = vStrInputParts.back();
- bSegWit = (flags.find("W") != std::string::npos);
- bScriptHash = (flags.find("S") != std::string::npos);
+ bSegWit = (flags.find('W') != std::string::npos);
+ bScriptHash = (flags.find('S') != std::string::npos);
}
else if (vStrInputParts.size() > numkeys + 4) {
// Validate that there were no more parameters passed
@@ -375,10 +378,19 @@ static void MutateTxAddOutMultiSig(CMutableTransaction& tx, const std::string& s
CScript scriptPubKey = GetScriptForMultisig(required, pubkeys);
if (bSegWit) {
+ for (CPubKey& pubkey : pubkeys) {
+ if (!pubkey.IsCompressed()) {
+ throw std::runtime_error("Uncompressed pubkeys are not useable for SegWit outputs");
+ }
+ }
// Call GetScriptForWitness() to build a P2WSH scriptPubKey
scriptPubKey = GetScriptForWitness(scriptPubKey);
}
if (bScriptHash) {
+ if (scriptPubKey.size() > MAX_SCRIPT_ELEMENT_SIZE) {
+ throw std::runtime_error(strprintf(
+ "redeemScript exceeds size limit: %d > %d", scriptPubKey.size(), MAX_SCRIPT_ELEMENT_SIZE));
+ }
// Get the ID for the script, and then construct a P2SH destination for it.
scriptPubKey = GetScriptForDestination(CScriptID(scriptPubKey));
}
@@ -435,14 +447,23 @@ static void MutateTxAddOutScript(CMutableTransaction& tx, const std::string& str
bool bScriptHash = false;
if (vStrInputParts.size() == 3) {
std::string flags = vStrInputParts.back();
- bSegWit = (flags.find("W") != std::string::npos);
- bScriptHash = (flags.find("S") != std::string::npos);
+ bSegWit = (flags.find('W') != std::string::npos);
+ bScriptHash = (flags.find('S') != std::string::npos);
+ }
+
+ if (scriptPubKey.size() > MAX_SCRIPT_SIZE) {
+ throw std::runtime_error(strprintf(
+ "script exceeds size limit: %d > %d", scriptPubKey.size(), MAX_SCRIPT_SIZE));
}
if (bSegWit) {
scriptPubKey = GetScriptForWitness(scriptPubKey);
}
if (bScriptHash) {
+ if (scriptPubKey.size() > MAX_SCRIPT_ELEMENT_SIZE) {
+ throw std::runtime_error(strprintf(
+ "redeemScript exceeds size limit: %d > %d", scriptPubKey.size(), MAX_SCRIPT_ELEMENT_SIZE));
+ }
scriptPubKey = GetScriptForDestination(CScriptID(scriptPubKey));
}
@@ -682,10 +703,10 @@ static void MutateTx(CMutableTransaction& tx, const std::string& command,
else if (command == "outaddr")
MutateTxAddOutAddr(tx, commandVal);
else if (command == "outpubkey") {
- if (!ecc) { ecc.reset(new Secp256k1Init()); }
+ ecc.reset(new Secp256k1Init());
MutateTxAddOutPubKey(tx, commandVal);
} else if (command == "outmultisig") {
- if (!ecc) { ecc.reset(new Secp256k1Init()); }
+ ecc.reset(new Secp256k1Init());
MutateTxAddOutMultiSig(tx, commandVal);
} else if (command == "outscript")
MutateTxAddOutScript(tx, commandVal);
@@ -693,7 +714,7 @@ static void MutateTx(CMutableTransaction& tx, const std::string& command,
MutateTxAddOutData(tx, commandVal);
else if (command == "sign") {
- if (!ecc) { ecc.reset(new Secp256k1Init()); }
+ ecc.reset(new Secp256k1Init());
MutateTxSign(tx, commandVal);
}