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-rw-r--r--src/chainparams.cpp11
-rw-r--r--src/chainparams.h5
-rw-r--r--src/init.cpp36
-rw-r--r--src/main.cpp21
-rw-r--r--src/net.cpp4
-rw-r--r--src/rpc/misc.cpp38
-rw-r--r--src/test/hash_tests.cpp4
7 files changed, 69 insertions, 50 deletions
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 0cb0fccd17..7b493ed8a7 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -303,6 +303,12 @@ public:
base58Prefixes[EXT_PUBLIC_KEY] = boost::assign::list_of(0x04)(0x35)(0x87)(0xCF).convert_to_container<std::vector<unsigned char> >();
base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x04)(0x35)(0x83)(0x94).convert_to_container<std::vector<unsigned char> >();
}
+
+ void UpdateBIP9Parameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout)
+ {
+ consensus.vDeployments[d].nStartTime = nStartTime;
+ consensus.vDeployments[d].nTimeout = nTimeout;
+ }
};
static CRegTestParams regTestParams;
@@ -330,4 +336,9 @@ void SelectParams(const std::string& network)
SelectBaseParams(network);
pCurrentParams = &Params(network);
}
+
+void UpdateRegtestBIP9Parameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout)
+{
+ regTestParams.UpdateBIP9Parameters(d, nStartTime, nTimeout);
+}
diff --git a/src/chainparams.h b/src/chainparams.h
index 638893e9ad..0c3820b7c6 100644
--- a/src/chainparams.h
+++ b/src/chainparams.h
@@ -112,4 +112,9 @@ CChainParams& Params(const std::string& chain);
*/
void SelectParams(const std::string& chain);
+/**
+ * Allows modifying the BIP9 regtest parameters.
+ */
+void UpdateRegtestBIP9Parameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout);
+
#endif // BITCOIN_CHAINPARAMS_H
diff --git a/src/init.cpp b/src/init.cpp
index 9b6eca2e1d..f2b13b627a 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -410,6 +410,7 @@ std::string HelpMessage(HelpMessageMode mode)
strUsage += HelpMessageOpt("-limitancestorsize=<n>", strprintf("Do not accept transactions whose size with all in-mempool ancestors exceeds <n> kilobytes (default: %u)", DEFAULT_ANCESTOR_SIZE_LIMIT));
strUsage += HelpMessageOpt("-limitdescendantcount=<n>", strprintf("Do not accept transactions if any ancestor would have <n> or more in-mempool descendants (default: %u)", DEFAULT_DESCENDANT_LIMIT));
strUsage += HelpMessageOpt("-limitdescendantsize=<n>", strprintf("Do not accept transactions if any ancestor would have more than <n> kilobytes of in-mempool descendants (default: %u).", DEFAULT_DESCENDANT_SIZE_LIMIT));
+ strUsage += HelpMessageOpt("-bip9params=deployment:start:end", "Use given start/end times for specified bip9 deployment (regtest-only)");
}
string debugCategories = "addrman, alert, bench, coindb, db, http, libevent, lock, mempool, mempoolrej, net, proxy, prune, rand, reindex, rpc, selectcoins, tor, zmq"; // Don't translate these and qt below
if (mode == HMM_BITCOIN_QT)
@@ -990,6 +991,41 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
fEnableReplacement = (std::find(vstrReplacementModes.begin(), vstrReplacementModes.end(), "fee") != vstrReplacementModes.end());
}
+ if (!mapMultiArgs["-bip9params"].empty()) {
+ // Allow overriding bip9 parameters for testing
+ if (!Params().MineBlocksOnDemand()) {
+ return InitError("BIP9 parameters may only be overridden on regtest.");
+ }
+ const vector<string>& deployments = mapMultiArgs["-bip9params"];
+ for (auto i : deployments) {
+ std::vector<std::string> vDeploymentParams;
+ boost::split(vDeploymentParams, i, boost::is_any_of(":"));
+ if (vDeploymentParams.size() != 3) {
+ return InitError("BIP9 parameters malformed, expecting deployment:start:end");
+ }
+ int64_t nStartTime, nTimeout;
+ if (!ParseInt64(vDeploymentParams[1], &nStartTime)) {
+ return InitError(strprintf("Invalid nStartTime (%s)", vDeploymentParams[1]));
+ }
+ if (!ParseInt64(vDeploymentParams[2], &nTimeout)) {
+ return InitError(strprintf("Invalid nTimeout (%s)", vDeploymentParams[2]));
+ }
+ bool found = false;
+ for (int i=0; i<(int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++i)
+ {
+ if (vDeploymentParams[0].compare(VersionBitsDeploymentInfo[i].name) == 0) {
+ UpdateRegtestBIP9Parameters(Consensus::DeploymentPos(i), nStartTime, nTimeout);
+ found = true;
+ LogPrintf("Setting BIP9 activation parameters for %s to start=%ld, timeout=%ld\n", vDeploymentParams[0], nStartTime, nTimeout);
+ break;
+ }
+ }
+ if (!found) {
+ return InitError(strprintf("Invalid deployment (%s)", vDeploymentParams[0]));
+ }
+ }
+ }
+
// ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
// Initialize elliptic curve code
diff --git a/src/main.cpp b/src/main.cpp
index 82f9e147ee..c9869d04f9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1506,9 +1506,9 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C
// SCRIPT_VERIFY_CLEANSTACK requires SCRIPT_VERIFY_WITNESS, so we
// need to turn both off, and compare against just turning off CLEANSTACK
// to see if the failure is specifically due to witness validation.
- if (CheckInputs(tx, state, view, true, scriptVerifyFlags & ~(SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_CLEANSTACK), true, txdata) &&
+ if (tx.wit.IsNull() && CheckInputs(tx, state, view, true, scriptVerifyFlags & ~(SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_CLEANSTACK), true, txdata) &&
!CheckInputs(tx, state, view, true, scriptVerifyFlags & ~SCRIPT_VERIFY_CLEANSTACK, true, txdata)) {
- // Only the witness is wrong, so the transaction itself may be fine.
+ // Only the witness is missing, so the transaction itself may be fine.
state.SetCorruptionPossible();
}
return false;
@@ -2399,6 +2399,7 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
// Start enforcing WITNESS rules using versionbits logic.
if (IsWitnessEnabled(pindex->pprev, chainparams.GetConsensus())) {
flags |= SCRIPT_VERIFY_WITNESS;
+ flags |= SCRIPT_VERIFY_NULLDUMMY;
}
int64_t nTime2 = GetTimeMicros(); nTimeForks += nTime2 - nTime1;
@@ -5505,7 +5506,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
else if (!fMissingInputs2)
{
int nDos = 0;
- if (stateDummy.IsInvalid(nDos) && nDos > 0 && (!state.CorruptionPossible() || State(fromPeer)->fHaveWitness))
+ if (stateDummy.IsInvalid(nDos) && nDos > 0)
{
// Punish peer that gave us an invalid orphan tx
Misbehaving(fromPeer, nDos);
@@ -5516,7 +5517,10 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// Probably non-standard or insufficient fee/priority
LogPrint("mempool", " removed orphan tx %s\n", orphanHash.ToString());
vEraseQueue.push_back(orphanHash);
- if (!stateDummy.CorruptionPossible()) {
+ if (orphanTx.wit.IsNull() && !stateDummy.CorruptionPossible()) {
+ // Do not use rejection cache for witness transactions or
+ // witness-stripped transactions, as they can have been malleated.
+ // See https://github.com/bitcoin/bitcoin/issues/8279 for details.
assert(recentRejects);
recentRejects->insert(orphanHash);
}
@@ -5554,7 +5558,10 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
LogPrint("mempool", "not keeping orphan with rejected parents %s\n",tx.GetHash().ToString());
}
} else {
- if (!state.CorruptionPossible()) {
+ if (tx.wit.IsNull() && !state.CorruptionPossible()) {
+ // Do not use rejection cache for witness transactions or
+ // witness-stripped transactions, as they can have been malleated.
+ // See https://github.com/bitcoin/bitcoin/issues/8279 for details.
assert(recentRejects);
recentRejects->insert(tx.GetHash());
}
@@ -5586,9 +5593,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
if (state.GetRejectCode() < REJECT_INTERNAL) // Never send AcceptToMemoryPool's internal codes over P2P
pfrom->PushMessage(NetMsgType::REJECT, strCommand, (unsigned char)state.GetRejectCode(),
state.GetRejectReason().substr(0, MAX_REJECT_MESSAGE_LENGTH), inv.hash);
- if (nDoS > 0 && (!state.CorruptionPossible() || State(pfrom->id)->fHaveWitness)) {
- // When a non-witness-supporting peer gives us a transaction that would
- // be accepted if witness validation was off, we can't blame them for it.
+ if (nDoS > 0) {
Misbehaving(pfrom->GetId(), nDoS);
}
}
diff --git a/src/net.cpp b/src/net.cpp
index a0ab544f5f..5e38ec0779 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -2226,11 +2226,7 @@ void CNode::RecordBytesSent(uint64_t bytes)
void CNode::SetMaxOutboundTarget(uint64_t limit)
{
LOCK(cs_totalBytesSent);
- uint64_t recommendedMinimum = (nMaxOutboundTimeframe / 600) * MAX_BLOCK_SERIALIZED_SIZE;
nMaxOutboundLimit = limit;
-
- if (limit > 0 && limit < recommendedMinimum)
- LogPrintf("Max outbound target is very small (%s bytes) and will be overshot. Recommended minimum is %s bytes.\n", nMaxOutboundLimit, recommendedMinimum);
}
uint64_t CNode::GetMaxOutboundTarget()
diff --git a/src/rpc/misc.cpp b/src/rpc/misc.cpp
index a8c5bcd177..06489566ba 100644
--- a/src/rpc/misc.cpp
+++ b/src/rpc/misc.cpp
@@ -320,43 +320,6 @@ UniValue createmultisig(const UniValue& params, bool fHelp)
return result;
}
-UniValue createwitnessaddress(const UniValue& params, bool fHelp)
-{
- if (fHelp || params.size() < 1 || params.size() > 1)
- {
- string msg = "createwitnessaddress \"script\"\n"
- "\nCreates a witness address for a particular script.\n"
- "It returns a json object with the address and witness script.\n"
-
- "\nArguments:\n"
- "1. \"script\" (string, required) A hex encoded script\n"
-
- "\nResult:\n"
- "{\n"
- " \"address\":\"multisigaddress\", (string) The value of the new address (P2SH of witness script).\n"
- " \"witnessScript\":\"script\" (string) The string value of the hex-encoded witness script.\n"
- "}\n"
- ;
- throw runtime_error(msg);
- }
-
- if (!IsHex(params[0].get_str())) {
- throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Script must be hex-encoded");
- }
-
- std::vector<unsigned char> code = ParseHex(params[0].get_str());
- CScript script(code.begin(), code.end());
- CScript witscript = GetScriptForWitness(script);
- CScriptID witscriptid(witscript);
- CBitcoinAddress address(witscriptid);
-
- UniValue result(UniValue::VOBJ);
- result.push_back(Pair("address", address.ToString()));
- result.push_back(Pair("witnessScript", HexStr(witscript.begin(), witscript.end())));
-
- return result;
-}
-
UniValue verifymessage(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() != 3)
@@ -490,7 +453,6 @@ static const CRPCCommand commands[] =
{ "control", "getinfo", &getinfo, true }, /* uses wallet if enabled */
{ "util", "validateaddress", &validateaddress, true }, /* uses wallet if enabled */
{ "util", "createmultisig", &createmultisig, true },
- { "util", "createwitnessaddress", &createwitnessaddress, true },
{ "util", "verifymessage", &verifymessage, true },
{ "util", "signmessagewithprivkey", &signmessagewithprivkey, true },
diff --git a/src/test/hash_tests.cpp b/src/test/hash_tests.cpp
index 82d61209b5..fa9624f13d 100644
--- a/src/test/hash_tests.cpp
+++ b/src/test/hash_tests.cpp
@@ -122,6 +122,10 @@ BOOST_AUTO_TEST_CASE(siphash)
hasher3.Write(uint64_t(x)|(uint64_t(x+1)<<8)|(uint64_t(x+2)<<16)|(uint64_t(x+3)<<24)|
(uint64_t(x+4)<<32)|(uint64_t(x+5)<<40)|(uint64_t(x+6)<<48)|(uint64_t(x+7)<<56));
}
+
+ CHashWriter ss(SER_DISK, CLIENT_VERSION);
+ ss << CTransaction();
+ BOOST_CHECK_EQUAL(SipHashUint256(1, 2, ss.GetHash()), 0x79751e980c2a0a35ULL);
}
BOOST_AUTO_TEST_SUITE_END()