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Merge #13253: [0.16] Further Backports

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acdf433822 Hold cs_main while calling UpdatedBlockTip() and ui.NotifyBlockTip (Jesse Cohen)
5ff571e90c [wallet] [tests] Test disallowed multiwallet params (John Newbery)
4c14e7b67c [wallet] Fix zapwallettxes/multiwallet interaction. (John Newbery)
4087dd08e7 RPC Docs: gettxout*: clarify bestblock and unspent counts (David A. Harding)
b8aacd660e [qa] Handle disconnect_node race (Suhas Daftuar)

Pull request description:

  Backports:
  - #13201 [qa] Handle disconnect_node race
  - #13184 RPC Docs: gettxout*: clarify bestblock and unspent counts
  - #13030 [bugfix] [wallet] Fix zapwallettxes/multiwallet interaction.
  - #12988 Hold cs_main while calling UpdatedBlockTip() signal

  to the 0.16 branch.

Tree-SHA512: 8f65002bbafaf9c436f89051b2d79bf6a668fbd07bd317c64af238ed4a7c8efe776864b739a7f2869f1e3daa16f2f4366a85f41b188f9c454879d2c7b309be50
This commit is contained in:
Wladimir J. van der Laan 2018-05-24 10:24:17 +02:00
commit 50b2c9e0df
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GPG Key ID: 1E4AED62986CD25D
6 changed files with 44 additions and 21 deletions
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8
src/rpc/blockchain.cpp
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@ -934,9 +934,9 @@ UniValue gettxoutsetinfo(const JSONRPCRequest& request)
"\nResult:\n"
"{\n"
" \"height\":n, (numeric) The current block height (index)\n"
" \"bestblock\": \"hex\", (string) the best block hash hex\n"
" \"transactions\": n, (numeric) The number of transactions\n"
" \"txouts\": n, (numeric) The number of output transactions\n"
" \"bestblock\": \"hex\", (string) The hash of the block at the tip of the chain\n"
" \"transactions\": n, (numeric) The number of transactions with unspent outputs\n"
" \"txouts\": n, (numeric) The number of unspent transaction outputs\n"
" \"bogosize\": n, (numeric) A meaningless metric for UTXO set size\n"
" \"hash_serialized_2\": \"hash\", (string) The serialized hash\n"
" \"disk_size\": n, (numeric) The estimated size of the chainstate on disk\n"
@ -979,7 +979,7 @@ UniValue gettxout(const JSONRPCRequest& request)
" Note that an unspent output that is spent in the mempool won't appear.\n"
"\nResult:\n"
"{\n"
" \"bestblock\" : \"hash\", (string) the block hash\n"
" \"bestblock\": \"hash\", (string) The hash of the block at the tip of the chain\n"
" \"confirmations\" : n, (numeric) The number of confirmations\n"
" \"value\" : x.xxx, (numeric) The transaction value in " + CURRENCY_UNIT + "\n"
" \"scriptPubKey\" : { (json object)\n"

19
src/validation.cpp
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@ -2607,19 +2607,18 @@ bool CChainState::ActivateBestChain(CValidationState &state, const CChainParams&
assert(trace.pblock && trace.pindex);
GetMainSignals().BlockConnected(trace.pblock, trace.pindex, trace.conflictedTxs);
}
// Notify external listeners about the new tip.
// Enqueue while holding cs_main to ensure that UpdatedBlockTip is called in the order in which blocks are connected
GetMainSignals().UpdatedBlockTip(pindexNewTip, pindexFork, fInitialDownload);
// Always notify the UI if a new block tip was connected
if (pindexFork != pindexNewTip) {
uiInterface.NotifyBlockTip(fInitialDownload, pindexNewTip);
}
}
// When we reach this point, we switched to a new tip (stored in pindexNewTip).
// Notifications/callbacks that can run without cs_main
// Notify external listeners about the new tip.
GetMainSignals().UpdatedBlockTip(pindexNewTip, pindexFork, fInitialDownload);
// Always notify the UI if a new block tip was connected
if (pindexFork != pindexNewTip) {
uiInterface.NotifyBlockTip(fInitialDownload, pindexNewTip);
}
if (nStopAtHeight && pindexNewTip && pindexNewTip->nHeight >= nStopAtHeight) StartShutdown();
// We check shutdown only after giving ActivateBestChainStep a chance to run once so that we

4
src/validationinterface.cpp
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@ -139,6 +139,10 @@ void CMainSignals::MempoolEntryRemoved(CTransactionRef ptx, MemPoolRemovalReason
}
void CMainSignals::UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload) {
// Dependencies exist that require UpdatedBlockTip events to be delivered in the order in which
// the chain actually updates. One way to ensure this is for the caller to invoke this signal
// in the same critical section where the chain is updated
m_internals->m_schedulerClient.AddToProcessQueue([pindexNew, pindexFork, fInitialDownload, this] {
m_internals->UpdatedBlockTip(pindexNew, pindexFork, fInitialDownload);
});

10
src/wallet/init.cpp
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@ -82,19 +82,19 @@ bool WalletParameterInteraction()
}
}
int zapwallettxes = gArgs.GetArg("-zapwallettxes", 0);
bool zapwallettxes = gArgs.GetBoolArg("-zapwallettxes", false);
// -zapwallettxes implies dropping the mempool on startup
if (zapwallettxes != 0 && gArgs.SoftSetBoolArg("-persistmempool", false)) {
LogPrintf("%s: parameter interaction: -zapwallettxes=%s -> setting -persistmempool=0\n", __func__, zapwallettxes);
if (zapwallettxes && gArgs.SoftSetBoolArg("-persistmempool", false)) {
LogPrintf("%s: parameter interaction: -zapwallettxes enabled -> setting -persistmempool=0\n", __func__);
}
// -zapwallettxes implies a rescan
if (zapwallettxes != 0) {
if (zapwallettxes) {
if (is_multiwallet) {
return InitError(strprintf("%s is only allowed with a single wallet file", "-zapwallettxes"));
}
if (gArgs.SoftSetBoolArg("-rescan", true)) {
LogPrintf("%s: parameter interaction: -zapwallettxes=%s -> setting -rescan=1\n", __func__, zapwallettxes);
LogPrintf("%s: parameter interaction: -zapwallettxes enabled -> setting -rescan=1\n", __func__);
}
}

9
test/functional/test_framework/util.py
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@ -335,7 +335,14 @@ def set_node_times(nodes, t):
def disconnect_nodes(from_connection, node_num):
for peer_id in [peer['id'] for peer in from_connection.getpeerinfo() if "testnode%d" % node_num in peer['subver']]:
from_connection.disconnectnode(nodeid=peer_id)
try:
from_connection.disconnectnode(nodeid=peer_id)
except JSONRPCException as e:
# If this node is disconnected between calculating the peer id
# and issuing the disconnect, don't worry about it.
# This avoids a race condition if we're mass-disconnecting peers.
if e.error['code'] != -29: # RPC_CLIENT_NODE_NOT_CONNECTED
raise
# wait to disconnect
wait_until(lambda: [peer['id'] for peer in from_connection.getpeerinfo() if "testnode%d" % node_num in peer['subver']] == [], timeout=5)

13
test/functional/wallet_multiwallet.py
View File

@ -56,6 +56,19 @@ class MultiWalletTest(BitcoinTestFramework):
open(not_a_dir, 'a').close()
self.assert_start_raises_init_error(0, ['-walletdir=' + not_a_dir], 'Error: Specified -walletdir "' + not_a_dir + '" is not a directory')
self.log.info("Do not allow -zapwallettxes with multiwallet")
self.assert_start_raises_init_error(0, ['-zapwallettxes', '-wallet=w1', '-wallet=w2'], "Error: -zapwallettxes is only allowed with a single wallet file")
self.assert_start_raises_init_error(0, ['-zapwallettxes=1', '-wallet=w1', '-wallet=w2'], "Error: -zapwallettxes is only allowed with a single wallet file")
self.assert_start_raises_init_error(0, ['-zapwallettxes=2', '-wallet=w1', '-wallet=w2'], "Error: -zapwallettxes is only allowed with a single wallet file")
self.log.info("Do not allow -salvagewallet with multiwallet")
self.assert_start_raises_init_error(0, ['-salvagewallet', '-wallet=w1', '-wallet=w2'], "Error: -salvagewallet is only allowed with a single wallet file")
self.assert_start_raises_init_error(0, ['-salvagewallet=1', '-wallet=w1', '-wallet=w2'], "Error: -salvagewallet is only allowed with a single wallet file")
self.log.info("Do not allow -upgradewallet with multiwallet")
self.assert_start_raises_init_error(0, ['-upgradewallet', '-wallet=w1', '-wallet=w2'], "Error: -upgradewallet is only allowed with a single wallet file")
self.assert_start_raises_init_error(0, ['-upgradewallet=1', '-wallet=w1', '-wallet=w2'], "Error: -upgradewallet is only allowed with a single wallet file")
# if wallets/ doesn't exist, datadir should be the default wallet dir
wallet_dir2 = data_dir('walletdir')
os.rename(wallet_dir(), wallet_dir2)