Merge pull request #3531 from PastaPastaPasta/backports-0.17-pr6

Backports 0.17 pr6

contrib/devtools/lint-whitespace.sh

@@ -7,12 +7,26 @@
 # Check for new lines in diff that introduce trailing whitespace.
 
 # We can't run this check unless we know the commit range for the PR.
+
+while getopts "?" opt; do
+  case $opt in
+    ?)
+      echo "Usage: .lint-whitespace.sh [N]"
+      echo "       COMMIT_RANGE='<commit range>' .lint-whitespace.sh"
+      echo "       .lint-whitespace.sh -?"
+      echo "Checks unstaged changes, the previous N commits, or a commit range."
+      echo "COMMIT_RANGE='47ba2c3...ee50c9e' .lint-whitespace.sh"
+      exit 0
+    ;;
+  esac
+done
+
 if [ -z "${COMMIT_RANGE}" ]; then
-  echo "Cannot run lint-whitespace.sh without commit range. To run locally, use:"
+  if [ "$1" ]; then
-  echo "COMMIT_RANGE='<commit range>' .lint-whitespace.sh"
+    COMMIT_RANGE="HEAD~$1...HEAD"
-  echo "For example:"
+  else
-  echo "COMMIT_RANGE='47ba2c3...ee50c9e' .lint-whitespace.sh"
+    COMMIT_RANGE="HEAD"
-  exit 1
+  fi
 fi
 
 showdiff() {
@@ -37,21 +51,26 @@ if showdiff | grep -E -q '^\+.*\s+$'; then
   echo "The following changes were suspected:"
   FILENAME=""
   SEEN=0
+  SEENLN=0
   while read -r line; do
     if [[ "$line" =~ ^diff ]]; then
       FILENAME="$line"
       SEEN=0
     elif [[ "$line" =~ ^@@ ]]; then
       LINENUMBER="$line"
+      SEENLN=0
     else
       if [ "$SEEN" -eq 0 ]; then
         # The first time a file is seen with trailing whitespace, we print the
         # filename (preceded by a newline).
         echo
         echo "$FILENAME"
-        echo "$LINENUMBER"
         SEEN=1
       fi
+      if [ "$SEENLN" -eq 0 ]; then
+        echo "$LINENUMBER"
+        SEENLN=1
+      fi
       echo "$line"
     fi
   done < <(showdiff | grep -E '^(diff --git |@@|\+.*\s+$)')
@@ -59,29 +78,34 @@ if showdiff | grep -E -q '^\+.*\s+$'; then
 fi
 
 # Check if tab characters were found in the diff.
-if showcodediff | grep -P -q '^\+.*\t'; then
+if showcodediff | perl -nle '$MATCH++ if m{^\+.*\t}; END{exit 1 unless $MATCH>0}' > /dev/null; then
   echo "This diff appears to have added new lines with tab characters instead of spaces."
   echo "The following changes were suspected:"
   FILENAME=""
   SEEN=0
+  SEENLN=0
   while read -r line; do
     if [[ "$line" =~ ^diff ]]; then
       FILENAME="$line"
       SEEN=0
     elif [[ "$line" =~ ^@@ ]]; then
       LINENUMBER="$line"
+      SEENLN=0
     else
       if [ "$SEEN" -eq 0 ]; then
         # The first time a file is seen with a tab character, we print the
         # filename (preceded by a newline).
         echo
         echo "$FILENAME"
-        echo "$LINENUMBER"
         SEEN=1
       fi
+      if [ "$SEENLN" -eq 0 ]; then
+        echo "$LINENUMBER"
+        SEENLN=1
+      fi
       echo "$line"
     fi
-  done < <(showcodediff | grep -P '^(diff --git |@@|\+.*\t)')
+  done < <(showcodediff | perl -nle 'print if m{^(diff --git |@@|\+.*\t)}')
   RET=1
 fi
 

depends/packages/native_biplist.mk

@@ -1,14 +1,9 @@
 package=native_biplist
-$(package)_version=0.9
+$(package)_version=1.0.3
-$(package)_download_path=https://pypi.python.org/packages/source/b/biplist
+$(package)_download_path=https://bitbucket.org/wooster/biplist/downloads
 $(package)_file_name=biplist-$($(package)_version).tar.gz
-$(package)_sha256_hash=b57cadfd26e4754efdf89e9e37de87885f9b5c847b2615688ca04adfaf6ca604
+$(package)_sha256_hash=4c0549764c5fe50b28042ec21aa2e14fe1a2224e239a1dae77d9e7f3932aa4c6
 $(package)_install_libdir=$(build_prefix)/lib/python/dist-packages
-$(package)_patches=sorted_list.patch
-
-define $(package)_preprocess_cmds
-  patch -p1 < $($(package)_patch_dir)/sorted_list.patch
-endef
 
 define $(package)_build_cmds
     python3 setup.py build

depends/patches/native_biplist/sorted_list.patch

@@ -1,29 +0,0 @@
---- a/biplist/__init__.py	2014-10-26 19:03:11.000000000 +0000
-+++ b/biplist/__init__.py	2016-07-19 19:30:17.663521999 +0000
-@@ -541,7 +541,7 @@
-             return HashableWrapper(n)
-         elif isinstance(root, dict):
-             n = {}
--            for key, value in iteritems(root):
-+            for key, value in sorted(iteritems(root)):
-                 n[self.wrapRoot(key)] = self.wrapRoot(value)
-             return HashableWrapper(n)
-         elif isinstance(root, list):
-@@ -616,7 +616,7 @@
-             elif isinstance(obj, dict):
-                 size = proc_size(len(obj))
-                 self.incrementByteCount('dictBytes', incr=1+size)
--                for key, value in iteritems(obj):
-+                for key, value in sorted(iteritems(obj)):
-                     check_key(key)
-                     self.computeOffsets(key, asReference=True)
-                     self.computeOffsets(value, asReference=True)
-@@ -714,7 +714,7 @@
-                 keys = []
-                 values = []
-                 objectsToWrite = []
--                for key, value in iteritems(obj):
-+                for key, value in sorted(iteritems(obj)):
-                     keys.append(key)
-                     values.append(value)
-                 for key in keys:

doc/bips.md

@@ -28,4 +28,4 @@ BIPs that are implemented by Bitcoin Core (up-to-date up to **v0.13.0**):
 * [`BIP 130`](https://github.com/bitcoin/bips/blob/master/bip-0130.mediawiki): direct headers announcement is negotiated with peer versions `>=70012` as of **v0.12.0** ([PR 6494](https://github.com/bitcoin/bitcoin/pull/6494)).
 * [`BIP 147`](https://github.com/bitcoin/bips/blob/master/bip-0147.mediawiki): NULLDUMMY softfork as of **v0.13.1** ([PR 8636](https://github.com/bitcoin/bitcoin/pull/8636) and [PR 8937](https://github.com/bitcoin/bitcoin/pull/8937)).
 * [`BIP 152`](https://github.com/bitcoin/bips/blob/master/bip-0152.mediawiki): Compact block transfer and related optimizations are used as of **v0.13.0** ([PR 8068](https://github.com/bitcoin/bitcoin/pull/8068)).
-* [`BIP 159`](https://github.com/bitcoin/bips/blob/master/bip-0159.mediawiki): NODE_NETWORK_LIMITED service bit [signaling only] is supported as of **v0.16.0** ([PR 10740](https://github.com/bitcoin/bitcoin/pull/10740)).
+* [`BIP 159`](https://github.com/bitcoin/bips/blob/master/bip-0159.mediawiki): NODE_NETWORK_LIMITED service bit [signaling only] is supported as of **v0.16.0** ([PR 11740](https://github.com/bitcoin/bitcoin/pull/11740)).

doc/release-process.md

@@ -89,7 +89,9 @@ Create the OS X SDK tarball, see the [OS X readme](README_osx.md) for details, a
 
 ### Optional: Seed the Gitian sources cache and offline git repositories
 
-By default, Gitian will fetch source files as needed. To cache them ahead of time:
+NOTE: Gitian is sometimes unable to download files. If you have errors, try the step below.
+
+By default, Gitian will fetch source files as needed. To cache them ahead of time, make sure you have checked out the tag you want to build in dash, then:
 
     pushd ./gitian-builder
     make -C ../dash/depends download SOURCES_PATH=`pwd`/cache/common

src/bench/bench.cpp

@@ -26,6 +26,10 @@ benchmark::BenchRunner::RunAll(benchmark::duration elapsedTimeForOne)
     if (std::ratio_less_equal<benchmark::clock::period, std::micro>::value) {
         std::cerr << "WARNING: Clock precision is worse than microsecond - benchmarks may be less accurate!\n";
     }
+#ifdef DEBUG
+    std::cerr << "WARNING: This is a debug build - may result in slower benchmarks.\n";
+#endif
+
     std::cout << "#Benchmark" << "," << "count" << "," << "min(ns)" << "," << "max(ns)" << "," << "average(ns)" << ","
               << "min_cycles" << "," << "max_cycles" << "," << "average_cycles" << "\n";
 

src/dbwrapper.cpp

@@ -219,14 +219,10 @@ void HandleError(const leveldb::Status& status)
 {
     if (status.ok())
         return;
-    LogPrintf("%s\n", status.ToString());
+    const std::string errmsg = "Fatal LevelDB error: " + status.ToString();
-    if (status.IsCorruption())
+    LogPrintf("%s\n", errmsg);
-        throw dbwrapper_error("Database corrupted");
+    LogPrintf("You can use -debug=leveldb to get more complete diagnostic messages\n");
-    if (status.IsIOError())
+    throw dbwrapper_error(errmsg);
-        throw dbwrapper_error("Database I/O error");
-    if (status.IsNotFound())
-        throw dbwrapper_error("Database entry missing");
-    throw dbwrapper_error("Unknown database error");
 }
 
 const std::vector<unsigned char>& GetObfuscateKey(const CDBWrapper &w)

src/init.cpp

@@ -1017,7 +1017,13 @@ void InitLogging()
     fLogIPs = gArgs.GetBoolArg("-logips", DEFAULT_LOGIPS);
 
     LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
-    LogPrintf("Dash Core version %s\n", FormatFullVersion());
+    std::string version_string = FormatFullVersion();
+#ifdef DEBUG
+    version_string += " (debug build)";
+#else
+    version_string += " (release build)";
+#endif
+    LogPrintf(PACKAGE_NAME " version %s\n", version_string);
 }
 
 namespace { // Variables internal to initialization process only

src/key.cpp

@@ -170,7 +170,7 @@ CPrivKey CKey::GetPrivKey() const {
     size_t privkeylen;
     privkey.resize(PRIVATE_KEY_SIZE);
     privkeylen = PRIVATE_KEY_SIZE;
-    ret = ec_privkey_export_der(secp256k1_context_sign, (unsigned char*) privkey.data(), &privkeylen, begin(), fCompressed ? SECP256K1_EC_COMPRESSED : SECP256K1_EC_UNCOMPRESSED);
+    ret = ec_privkey_export_der(secp256k1_context_sign, privkey.data(), &privkeylen, begin(), fCompressed ? SECP256K1_EC_COMPRESSED : SECP256K1_EC_UNCOMPRESSED);
     assert(ret);
     privkey.resize(privkeylen);
     return privkey;
@@ -199,7 +199,7 @@ bool CKey::Sign(const uint256 &hash, std::vector<unsigned char>& vchSig, uint32_
     secp256k1_ecdsa_signature sig;
     int ret = secp256k1_ecdsa_sign(secp256k1_context_sign, &sig, hash.begin(), begin(), secp256k1_nonce_function_rfc6979, test_case ? extra_entropy : nullptr);
     assert(ret);
-    secp256k1_ecdsa_signature_serialize_der(secp256k1_context_sign, (unsigned char*)vchSig.data(), &nSigLen, &sig);
+    secp256k1_ecdsa_signature_serialize_der(secp256k1_context_sign, vchSig.data(), &nSigLen, &sig);
     vchSig.resize(nSigLen);
     return true;
 }
@@ -226,7 +226,7 @@ bool CKey::SignCompact(const uint256 &hash, std::vector<unsigned char>& vchSig)
     secp256k1_ecdsa_recoverable_signature sig;
     int ret = secp256k1_ecdsa_sign_recoverable(secp256k1_context_sign, &sig, hash.begin(), begin(), secp256k1_nonce_function_rfc6979, nullptr);
     assert(ret);
-    secp256k1_ecdsa_recoverable_signature_serialize_compact(secp256k1_context_sign, (unsigned char*)&vchSig[1], &rec, &sig);
+    secp256k1_ecdsa_recoverable_signature_serialize_compact(secp256k1_context_sign, &vchSig[1], &rec, &sig);
     assert(ret);
     assert(rec != -1);
     vchSig[0] = 27 + rec + (fCompressed ? 4 : 0);

src/qt/transactiondesc.cpp

@@ -255,7 +255,7 @@ QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx, TransactionReco
     if (wtx.mapValue.count("comment") && !wtx.mapValue["comment"].empty())
         strHTML += "<br><b>" + tr("Comment") + ":</b><br>" + GUIUtil::HtmlEscape(wtx.mapValue["comment"], true) + "<br>";
 
-    strHTML += "<b>" + tr("Transaction ID") + ":</b> " + rec->getTxID() + "<br>";
+    strHTML += "<b>" + tr("Transaction ID") + ":</b> " + rec->getTxHash() + "<br>";
     strHTML += "<b>" + tr("Output index") + ":</b> " + QString::number(rec->getOutputIndex()) + "<br>";
     strHTML += "<b>" + tr("Transaction total size") + ":</b> " + QString::number(wtx.tx->GetTotalSize()) + " bytes<br>";
 

src/qt/transactiondescdialog.cpp

@@ -17,10 +17,9 @@ TransactionDescDialog::TransactionDescDialog(const QModelIndex &idx, QWidget *pa
     ui(new Ui::TransactionDescDialog)
 {
     ui->setupUi(this);
-    setWindowTitle(tr("Details for %1").arg(idx.data(TransactionTableModel::TxIDRole).toString()));
+    setWindowTitle(tr("Details for %1").arg(idx.data(TransactionTableModel::TxHashRole).toString()));
     /* Open CSS when configured */
     this->setStyleSheet(GUIUtil::loadStyleSheet());
-
     QString desc = idx.data(TransactionTableModel::LongDescriptionRole).toString();
     ui->detailText->setHtml(desc);
 }

src/qt/transactionfilterproxy.cpp

@@ -32,36 +32,39 @@ bool TransactionFilterProxy::filterAcceptsRow(int sourceRow, const QModelIndex &
 {
     QModelIndex index = sourceModel()->index(sourceRow, 0, sourceParent);
 
-    int type = index.data(TransactionTableModel::TypeRole).toInt();
-    qint64 datetime = index.data(TransactionTableModel::DateRoleInt).toLongLong();
-    bool involvesWatchAddress = index.data(TransactionTableModel::WatchonlyRole).toBool();
-    bool lockedByInstantSend = index.data(TransactionTableModel::InstantSendRole).toBool();
-    QString address = index.data(TransactionTableModel::AddressRole).toString();
-    QString label = index.data(TransactionTableModel::LabelRole).toString();
-    QString txid = index.data(TransactionTableModel::TxIDRole).toString();
-    qint64 amount = llabs(index.data(TransactionTableModel::AmountRole).toLongLong());
     int status = index.data(TransactionTableModel::StatusRole).toInt();
+    if (!showInactive && status == TransactionStatus::Conflicted)
+        return false;
 
-    if(!showInactive && status == TransactionStatus::Conflicted)
+    int type = index.data(TransactionTableModel::TypeRole).toInt();
-        return false;
+    if (!(TYPE(type) & typeFilter))
-    if(!(TYPE(type) & typeFilter))
         return false;
+
+    bool involvesWatchAddress = index.data(TransactionTableModel::WatchonlyRole).toBool();
     if (involvesWatchAddress && watchOnlyFilter == WatchOnlyFilter_No)
         return false;
     if (!involvesWatchAddress && watchOnlyFilter == WatchOnlyFilter_Yes)
         return false;
+    bool lockedByInstantSend = index.data(TransactionTableModel::InstantSendRole).toBool();
     if (lockedByInstantSend && instantsendFilter == InstantSendFilter_No)
         return false;
     if (!lockedByInstantSend && instantsendFilter == InstantSendFilter_Yes)
         return false;
-    if(datetime < dateFrom || datetime > dateTo)
+    qint64 datetime = index.data(TransactionTableModel::DateRoleInt).toLongLong();
+    if (datetime < dateFrom || datetime > dateTo)
         return false;
+
+    QString address = index.data(TransactionTableModel::AddressRole).toString();
+    QString label = index.data(TransactionTableModel::LabelRole).toString();
+    QString txid = index.data(TransactionTableModel::TxHashRole).toString();
     if (!address.contains(m_search_string, Qt::CaseInsensitive) &&
         !  label.contains(m_search_string, Qt::CaseInsensitive) &&
         !   txid.contains(m_search_string, Qt::CaseInsensitive)) {
         return false;
     }
-    if(amount < minAmount)
+
+    qint64 amount = llabs(index.data(TransactionTableModel::AmountRole).toLongLong());
+    if (amount < minAmount)
         return false;
 
     return true;

src/qt/transactionrecord.cpp

@@ -380,7 +380,7 @@ bool TransactionRecord::statusUpdateNeeded(int chainLockHeight) const
         || (!status.lockedByChainLocks && status.cachedChainLockHeight != chainLockHeight);
 }
 
-QString TransactionRecord::getTxID() const
+QString TransactionRecord::getTxHash() const
 {
     return QString::fromStdString(hash.ToString());
 }

src/qt/transactionrecord.h

@@ -151,7 +151,7 @@ public:
     bool involvesWatchAddress;
 
     /** Return the unique identifier for this transaction (part) */
-    QString getTxID() const;
+    QString getTxHash() const;
 
     /** Return the output index of the subtransaction  */
     int getOutputIndex() const;

src/qt/transactiontablemodel.cpp

@@ -689,10 +689,8 @@ QVariant TransactionTableModel::data(const QModelIndex &index, int role) const
         return rec->status.label;
     case AmountRole:
         return qint64(rec->credit + rec->debit);
-    case TxIDRole:
-        return rec->getTxID();
     case TxHashRole:
-        return QString::fromStdString(rec->hash.ToString());
+        return rec->getTxHash();
     case TxHexRole:
         return priv->getTxHex(rec);
     case TxPlainTextRole:

src/qt/transactiontablemodel.h

@@ -63,8 +63,6 @@ public:
         LabelRole,
         /** Net amount of transaction */
         AmountRole,
-        /** Unique identifier */
-        TxIDRole,
         /** Transaction hash */
         TxHashRole,
         /** Transaction data, hex-encoded */

src/qt/transactionview.cpp

@@ -423,7 +423,7 @@ void TransactionView::exportClicked()
     writer.addColumn(tr("Label"), 0, TransactionTableModel::LabelRole);
     writer.addColumn(tr("Address"), 0, TransactionTableModel::AddressRole);
     writer.addColumn(BitcoinUnits::getAmountColumnTitle(model->getOptionsModel()->getDisplayUnit()), 0, TransactionTableModel::FormattedAmountRole);
-    writer.addColumn(tr("ID"), 0, TransactionTableModel::TxIDRole);
+    writer.addColumn(tr("ID"), 0, TransactionTableModel::TxHashRole);
 
     if(!writer.write()) {
         Q_EMIT message(tr("Exporting Failed"), tr("There was an error trying to save the transaction history to %1.").arg(filename),
@@ -490,7 +490,7 @@ void TransactionView::copyAmount()
 
 void TransactionView::copyTxID()
 {
-    GUIUtil::copyEntryData(transactionView, 0, TransactionTableModel::TxIDRole);
+    GUIUtil::copyEntryData(transactionView, 0, TransactionTableModel::TxHashRole);
 }
 
 void TransactionView::copyTxHex()

src/rpc/blockchain.cpp

@@ -27,6 +27,7 @@
 #include <util.h>
 #include <utilstrencodings.h>
 #include <hash.h>
+#include <validationinterface.h>
 #include <warnings.h>
 
 #include <evo/specialtx.h>
@@ -381,6 +382,21 @@ UniValue waitforblockheight(const JSONRPCRequest& request)
     return ret;
 }
 
+UniValue syncwithvalidationinterfacequeue(const JSONRPCRequest& request)
+{
+    if (request.fHelp || request.params.size() > 0) {
+        throw std::runtime_error(
+            "syncwithvalidationinterfacequeue\n"
+            "\nWaits for the validation interface queue to catch up on everything that was there when we entered this function.\n"
+            "\nExamples:\n"
+            + HelpExampleCli("syncwithvalidationinterfacequeue","")
+            + HelpExampleRpc("syncwithvalidationinterfacequeue","")
+        );
+    }
+    SyncWithValidationInterfaceQueue();
+    return NullUniValue;
+}
+
 UniValue getdifficulty(const JSONRPCRequest& request)
 {
     if (request.fHelp || request.params.size() != 0)
@@ -2296,6 +2312,7 @@ static const CRPCCommand commands[] =
     { "hidden",             "waitfornewblock",        &waitfornewblock,        {"timeout"} },
     { "hidden",             "waitforblock",           &waitforblock,           {"blockhash","timeout"} },
     { "hidden",             "waitforblockheight",     &waitforblockheight,     {"height","timeout"} },
+    { "hidden",             "syncwithvalidationinterfacequeue", &syncwithvalidationinterfacequeue, {} },
 };
 
 void RegisterBlockchainRPCCommands(CRPCTable &t)

src/wallet/rpcdump.cpp

@@ -829,7 +829,13 @@ UniValue dumpwallet(const JSONRPCRequest& request)
             "Note that if your wallet contains keys which are not derived from your HD seed (e.g. imported keys), these are not covered by\n"
             "only backing up the seed itself, and must be backed up too (e.g. ensure you back up the whole dumpfile).\n"
             "\nArguments:\n"
-            "1. \"filename\"    (string, required) The filename\n"
+            "1. \"filename\"    (string, required) The filename with path (either absolute or relative to dashd)\n"
+            "\nResult:\n"
+            "{                           (json object)\n"
+            "  \"keys\" : {            (int) The number of keys contained in the wallet dump\n"
+            "  \"filename\" : {        (string) The filename with full absolute path\n"
+            "  \"warning\" : {         (string) A warning about not sharing the wallet dump with anyone\n"
+            "}\n"
             "\nExamples:\n"
             + HelpExampleCli("dumpwallet", "\"test\"")
             + HelpExampleRpc("dumpwallet", "\"test\"")
@@ -969,7 +975,7 @@ UniValue dumpwallet(const JSONRPCRequest& request)
 
     std::string strWarning = strprintf(_("%s file contains all private keys from this wallet. Do not share it with anyone!"), request.params[0].get_str().c_str());
     obj.pushKV("keys", int(vKeyBirth.size()));
-    obj.pushKV("file", request.params[0].get_str().c_str());
+    obj.pushKV("filename", filepath.string());
     obj.pushKV("warning", strWarning);
 
     return obj;

test/functional/mempool_persist.py

@@ -66,16 +66,19 @@ class MempoolPersistTest(BitcoinTestFramework):
 
         self.log.debug("Stop-start the nodes. Verify that node0 has the transactions in its mempool and node1 does not. Verify that node2 calculates its balance correctly after loading wallet transactions.")
         self.stop_nodes()
+        # Give this node a head-start, so we can be "extra-sure" that it didn't load anything later
+        # Also don't store the mempool, to keep the datadir clean
+        self.start_node(1, extra_args=["-persistmempool=0"])
         self.start_node(0)
-        self.start_node(1)
         self.start_node(2)
         # Give dashd a second to reload the mempool
-        time.sleep(1)
+        wait_until(lambda: len(self.nodes[0].getrawmempool()) == 5, timeout=1)
-        wait_until(lambda: len(self.nodes[0].getrawmempool()) == 5)
+        wait_until(lambda: len(self.nodes[2].getrawmempool()) == 5, timeout=1)
-        wait_until(lambda: len(self.nodes[2].getrawmempool()) == 5)
+        # The others have loaded their mempool. If node_1 loaded anything, we'd probably notice by now:
         assert_equal(len(self.nodes[1].getrawmempool()), 0)
 
         # Verify accounting of mempool transactions after restart is correct
+        self.nodes[2].syncwithvalidationinterfacequeue()  # Flush mempool to wallet
         assert_equal(node2_balance, self.nodes[2].getbalance())
 
         self.log.debug("Stop-start node0 with -persistmempool=0. Verify that it doesn't load its mempool.dat file.")

test/functional/p2p-versionbits-warning.py

@@ -7,25 +7,24 @@
 Generate chains with block versions that appear to be signalling unknown
 soft-forks, and test that warning alerts are generated.
 """
-
+import os
-from test_framework.mininode import *
-from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import *
 import re
-from test_framework.blocktools import create_block, create_coinbase
 
-VB_PERIOD = 144 # versionbits period length for regtest
+from test_framework.blocktools import create_block, create_coinbase
-VB_THRESHOLD = 108 # versionbits activation threshold for regtest
+from test_framework.messages import msg_block
+from test_framework.mininode import P2PInterface, network_thread_start, mininode_lock
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import wait_until
+
+VB_PERIOD = 144           # versionbits period length for regtest
+VB_THRESHOLD = 108        # versionbits activation threshold for regtest
 VB_TOP_BITS = 0x20000000
-VB_UNKNOWN_BIT = 27 # Choose a bit unassigned to any deployment
+VB_UNKNOWN_BIT = 27       # Choose a bit unassigned to any deployment
+VB_UNKNOWN_VERSION = VB_TOP_BITS | (1 << VB_UNKNOWN_BIT)
 
 WARN_UNKNOWN_RULES_MINED = "Unknown block versions being mined! It's possible unknown rules are in effect"
 WARN_UNKNOWN_RULES_ACTIVE = "unknown new rules activated (versionbit {})".format(VB_UNKNOWN_BIT)
-VB_PATTERN = re.compile("^Warning.*versionbit")
+VB_PATTERN = re.compile("Warning: unknown new rules activated.*versionbit")
-
-class TestNode(P2PInterface):
-    def on_inv(self, message):
-        pass
 
 class VersionBitsWarningTest(BitcoinTestFramework):
     def set_test_params(self):
@@ -35,21 +34,21 @@ class VersionBitsWarningTest(BitcoinTestFramework):
     def setup_network(self):
         self.alert_filename = os.path.join(self.options.tmpdir, "alert.txt")
         # Open and close to create zero-length file
-        with open(self.alert_filename, 'w', encoding='utf8') as _:
+        with open(self.alert_filename, 'w', encoding='utf8'):
             pass
         self.extra_args = [["-alertnotify=echo %s >> \"" + self.alert_filename + "\""]]
         self.setup_nodes()
 
-    # Send numblocks blocks via peer with nVersionToUse set.
+    def send_blocks_with_version(self, peer, numblocks, version):
-    def send_blocks_with_version(self, peer, numblocks, nVersionToUse):
+        """Send numblocks blocks to peer with version set"""
         tip = self.nodes[0].getbestblockhash()
         height = self.nodes[0].getblockcount()
-        block_time = self.nodes[0].getblockheader(tip)["time"]+1
+        block_time = self.nodes[0].getblockheader(tip)["time"] + 1
         tip = int(tip, 16)
 
         for _ in range(numblocks):
-            block = create_block(tip, create_coinbase(height+1), block_time)
+            block = create_block(tip, create_coinbase(height + 1), block_time)
-            block.nVersion = nVersionToUse
+            block.nVersion = version
             block.solve()
             peer.send_message(msg_block(block))
             block_time += 1
@@ -57,70 +56,57 @@ class VersionBitsWarningTest(BitcoinTestFramework):
             tip = block.sha256
         peer.sync_with_ping()
 
-    def test_versionbits_in_alert_file(self):
+    def versionbits_in_alert_file(self):
-        with open(self.alert_filename, 'r', encoding='utf8') as f:
+        """Test that the versionbits warning has been written to the alert file."""
-            alert_text = f.read()
+        alert_text = open(self.alert_filename, 'r', encoding='utf8').read()
-        assert(VB_PATTERN.match(alert_text))
+        return VB_PATTERN.search(alert_text) is not None
 
     def run_test(self):
-        # Setup the p2p connection and start up the network thread.
+        # Handy alias
-        self.nodes[0].add_p2p_connection(TestNode())
+        node = self.nodes[0]
-
+        node.add_p2p_connection(P2PInterface())
         network_thread_start()
+        node.p2p.wait_for_verack()
 
-        # Test logic begins here
+        # Mine one period worth of blocks
-        self.nodes[0].p2p.wait_for_verack()
+        node.generate(VB_PERIOD)
 
-        # 1. Have the node mine one period worth of blocks
+        self.log.info("Check that there is no warning if previous VB_BLOCKS have <VB_THRESHOLD blocks with unknown versionbits version.")
-        self.nodes[0].generate(VB_PERIOD)
+        # Build one period of blocks with < VB_THRESHOLD blocks signaling some unknown bit
+        self.send_blocks_with_version(node.p2p, VB_THRESHOLD - 1, VB_UNKNOWN_VERSION)
+        node.generate(VB_PERIOD - VB_THRESHOLD + 1)
 
-        # 2. Now build one period of blocks on the tip, with < VB_THRESHOLD
+        # Check that we're not getting any versionbit-related errors in get*info()
-        # blocks signaling some unknown bit.
+        assert(not VB_PATTERN.match(node.getmininginfo()["warnings"]))
-        nVersion = VB_TOP_BITS | (1<<VB_UNKNOWN_BIT)
+        assert(not VB_PATTERN.match(node.getnetworkinfo()["warnings"]))
-        self.send_blocks_with_version(self.nodes[0].p2p, VB_THRESHOLD-1, nVersion)
 
-        # Fill rest of period with regular version blocks
+        self.log.info("Check that there is a warning if >50 blocks in the last 100 were an unknown version")
-        self.nodes[0].generate(VB_PERIOD - VB_THRESHOLD + 1)
+        # Build one period of blocks with VB_THRESHOLD blocks signaling some unknown bit
-        # Check that we're not getting any versionbit-related errors in
+        self.send_blocks_with_version(node.p2p, VB_THRESHOLD, VB_UNKNOWN_VERSION)
-        # get*info()
+        node.generate(VB_PERIOD - VB_THRESHOLD)
-        assert(not VB_PATTERN.match(self.nodes[0].getmininginfo()["warnings"]))
-        assert(not VB_PATTERN.match(self.nodes[0].getnetworkinfo()["warnings"]))
 
-        # 3. Now build one period of blocks with >= VB_THRESHOLD blocks signaling
+        # Check that get*info() shows the 51/100 unknown block version error.
-        # some unknown bit
+        assert(WARN_UNKNOWN_RULES_MINED in node.getmininginfo()["warnings"])
-        self.send_blocks_with_version(self.nodes[0].p2p, VB_THRESHOLD, nVersion)
+        assert(WARN_UNKNOWN_RULES_MINED in node.getnetworkinfo()["warnings"])
-        self.nodes[0].generate(VB_PERIOD - VB_THRESHOLD)
-        # Might not get a versionbits-related alert yet, as we should
-        # have gotten a different alert due to more than 51/100 blocks
-        # being of unexpected version.
-        # Check that get*info() shows some kind of error.
-        assert(WARN_UNKNOWN_RULES_MINED in self.nodes[0].getmininginfo()["warnings"])
-        assert(WARN_UNKNOWN_RULES_MINED in self.nodes[0].getnetworkinfo()["warnings"])
 
+        self.log.info("Check that there is a warning if previous VB_BLOCKS have >=VB_THRESHOLD blocks with unknown versionbits version.")
         # Mine a period worth of expected blocks so the generic block-version warning
-        # is cleared, and restart the node. This should move the versionbit state
+        # is cleared. This will move the versionbit state to ACTIVE.
-        # to ACTIVE.
+        node.generate(VB_PERIOD)
-        self.nodes[0].generate(VB_PERIOD)
-        self.stop_nodes()
-        # Empty out the alert file
-        with open(self.alert_filename, 'w', encoding='utf8') as _:
-            pass
-        self.start_nodes()
 
-        # TODO this is a workaround. We have to wait for IBD to finish before we generate a block, as otherwise there
+        # Stop-start the node. This is required because dashd will only warn once about unknown versions or unknown rules activating.
-        # won't be any warning generated. This workaround must be removed when we backport https://github.com/bitcoin/bitcoin/pull/12264
+        self.restart_node(0)
-        self.nodes[0].generate(1)
-        time.sleep(5)
 
-        # Connecting one block should be enough to generate an error.
+        # Generating one block guarantees that we'll get out of IBD
-        self.nodes[0].generate(1)
+        node.generate(1)
-        assert(WARN_UNKNOWN_RULES_ACTIVE in self.nodes[0].getmininginfo()["warnings"])
+        wait_until(lambda: not node.getblockchaininfo()['initialblockdownload'], timeout=10, lock=mininode_lock)
-        assert(WARN_UNKNOWN_RULES_ACTIVE in self.nodes[0].getnetworkinfo()["warnings"])
+        # Generating one more block will be enough to generate an error.
-        self.stop_nodes()
+        node.generate(1)
-        self.test_versionbits_in_alert_file()
+        # Check that get*info() shows the versionbits unknown rules warning
-
+        assert(WARN_UNKNOWN_RULES_ACTIVE in node.getmininginfo()["warnings"])
-        # Test framework expects the node to still be running...
+        assert(WARN_UNKNOWN_RULES_ACTIVE in node.getnetworkinfo()["warnings"])
-        self.start_nodes()
+        # Check that the alert file shows the versionbits unknown rules warning
+        wait_until(lambda: self.versionbits_in_alert_file(), timeout=60)
 
 if __name__ == '__main__':
     VersionBitsWarningTest().main()

test/functional/test_framework/netutil.py

@@ -9,7 +9,6 @@ Roughly based on http://voorloopnul.com/blog/a-python-netstat-in-less-than-100-l
 
 import sys
 import socket
-import fcntl
 import struct
 import array
 import os
@@ -90,6 +89,8 @@ def all_interfaces():
     '''
     Return all interfaces that are up
     '''
+    import fcntl  # Linux only, so only import when required
+
     is_64bits = sys.maxsize > 2**32
     struct_size = 40 if is_64bits else 32
     s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

test/functional/test_framework/util.py

@@ -437,7 +437,7 @@ def sync_chain(rpc_connections, *, wait=1, timeout=60):
         timeout -= wait
     raise AssertionError("Chain sync failed: Best block hashes don't match")
 
-def sync_mempools(rpc_connections, *, wait=1, timeout=60, wait_func=None):
+def sync_mempools(rpc_connections, *, wait=1, timeout=60, flush_scheduler=True, wait_func=None):
     """
     Wait until everybody has the same transactions in their memory
     pools
@@ -449,6 +449,9 @@ def sync_mempools(rpc_connections, *, wait=1, timeout=60, wait_func=None):
             if set(rpc_connections[i].getrawmempool()) == pool:
                 num_match = num_match + 1
         if num_match == len(rpc_connections):
+            if flush_scheduler:
+                for r in rpc_connections:
+                    r.syncwithvalidationinterfacequeue()
             return
         if wait_func is not None:
             wait_func()

test/functional/wallet-dump.py

@@ -7,7 +7,10 @@ import os
 import sys
 
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import (assert_equal, assert_raises_rpc_error)
+from test_framework.util import (
+    assert_equal,
+    assert_raises_rpc_error,
+)
 
 
 def read_dump(file_name, addrs, script_addrs, hd_master_addr_old):
@@ -87,7 +90,8 @@ class WalletDumpTest(BitcoinTestFramework):
         self.start_nodes()
 
     def run_test (self):
-        tmpdir = self.options.tmpdir
+        wallet_unenc_dump = os.path.join(self.nodes[0].datadir, "wallet.unencrypted.dump")
+        wallet_enc_dump = os.path.join(self.nodes[0].datadir, "wallet.encrypted.dump")
 
         # generate 20 addresses to compare against the dump
         test_addr_count = 20
@@ -104,10 +108,11 @@ class WalletDumpTest(BitcoinTestFramework):
         script_addrs = [multisig_addr]
 
         # dump unencrypted wallet
-        self.nodes[0].dumpwallet(tmpdir + "/node0/wallet.unencrypted.dump")
+        result = self.nodes[0].dumpwallet(wallet_unenc_dump)
+        assert_equal(result['filename'], wallet_unenc_dump)
 
         found_addr, found_script_addr, found_addr_chg, found_addr_rsv, hd_master_addr_unenc = \
-            read_dump(tmpdir + "/node0/wallet.unencrypted.dump", addrs, script_addrs, None)
+            read_dump(wallet_unenc_dump, addrs, script_addrs, None)
         assert_equal(found_addr, test_addr_count)  # all keys must be in the dump
         # This is 1, not 2 because we aren't testing for witness scripts
         assert_equal(found_script_addr, 1)  # all scripts must be in the dump
@@ -120,10 +125,10 @@ class WalletDumpTest(BitcoinTestFramework):
         self.nodes[0].walletpassphrase('test', 30)
         # Should be a no-op:
         self.nodes[0].keypoolrefill()
-        self.nodes[0].dumpwallet(tmpdir + "/node0/wallet.encrypted.dump")
+        self.nodes[0].dumpwallet(wallet_enc_dump)
 
         found_addr, found_script_addr, found_addr_chg, found_addr_rsv, _ = \
-            read_dump(tmpdir + "/node0/wallet.encrypted.dump", addrs, script_addrs, hd_master_addr_unenc)
+            read_dump(wallet_enc_dump, addrs, script_addrs, hd_master_addr_unenc)
         assert_equal(found_addr, test_addr_count)
         # This is 1, not 2 because we aren't testing for witness scripts
         assert_equal(found_script_addr, 1)
@@ -132,7 +137,7 @@ class WalletDumpTest(BitcoinTestFramework):
         assert_equal(found_addr_rsv, 180)  # keypool size
 
         # Overwriting should fail
-        assert_raises_rpc_error(-8, "already exists", self.nodes[0].dumpwallet, tmpdir + "/node0/wallet.unencrypted.dump")
+        assert_raises_rpc_error(-8, "already exists", lambda: self.nodes[0].dumpwallet(wallet_enc_dump))
 
         # Restart node with new wallet, and test importwallet
         self.stop_node(0)
@@ -142,11 +147,11 @@ class WalletDumpTest(BitcoinTestFramework):
         result = self.nodes[0].validateaddress(multisig_addr)
         assert(result['ismine'] == False)
 
-        self.nodes[0].importwallet(os.path.abspath(tmpdir + "/node0/wallet.unencrypted.dump"))
+        self.nodes[0].importwallet(wallet_unenc_dump)
 
         # Now check IsMine is true
         result = self.nodes[0].validateaddress(multisig_addr)
         assert(result['ismine'] == True)
 
 if __name__ == '__main__':
-    WalletDumpTest().main ()
+    WalletDumpTest().main()

test/functional/zapwallettxes.py

@@ -59,6 +59,7 @@ class ZapWalletTXesTest (BitcoinTestFramework):
         self.start_node(0, ["-persistmempool=1", "-zapwallettxes=2"])
 
         wait_until(lambda: self.nodes[0].getmempoolinfo()['size'] == 1, timeout=3)
+        self.nodes[0].syncwithvalidationinterfacequeue()  # Flush mempool to wallet
 
         assert_equal(self.nodes[0].gettransaction(txid1)['txid'], txid1)
         assert_equal(self.nodes[0].gettransaction(txid2)['txid'], txid2)