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-rwxr-xr-xcontrib/devtools/check-doc.py2
-rw-r--r--src/txdb.cpp11
2 files changed, 11 insertions, 2 deletions
diff --git a/contrib/devtools/check-doc.py b/contrib/devtools/check-doc.py
index 249214e931..150f368513 100755
--- a/contrib/devtools/check-doc.py
+++ b/contrib/devtools/check-doc.py
@@ -21,7 +21,7 @@ CMD_GREP_DOCS = r"egrep -r -I 'HelpMessageOpt\(\"\-[^\"=]+?(=|\")' %s" % (CMD_RO
REGEX_ARG = re.compile(r'(?:map(?:Multi)?Args(?:\.count\(|\[)|Get(?:Bool)?Arg\()\"(\-[^\"]+?)\"')
REGEX_DOC = re.compile(r'HelpMessageOpt\(\"(\-[^\"=]+?)(?:=|\")')
# list unsupported, deprecated and duplicate args as they need no documentation
-SET_DOC_OPTIONAL = set(['-rpcssl', '-benchmark', '-h', '-help', '-socks', '-tor', '-debugnet', '-whitelistalwaysrelay', '-prematurewitness', '-walletprematurewitness', '-promiscuousmempoolflags', '-blockminsize'])
+SET_DOC_OPTIONAL = set(['-rpcssl', '-benchmark', '-h', '-help', '-socks', '-tor', '-debugnet', '-whitelistalwaysrelay', '-prematurewitness', '-walletprematurewitness', '-promiscuousmempoolflags', '-blockminsize', '-dbcrashratio'])
def main():
used = check_output(CMD_GREP_ARGS, shell=True)
diff --git a/src/txdb.cpp b/src/txdb.cpp
index f0e5098b11..7de11cc617 100644
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -7,8 +7,10 @@
#include "chainparams.h"
#include "hash.h"
+#include "random.h"
#include "pow.h"
#include "uint256.h"
+#include "util.h"
#include <stdint.h>
@@ -82,7 +84,7 @@ bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) {
size_t count = 0;
size_t changed = 0;
size_t batch_size = (size_t)GetArg("-dbbatchsize", nDefaultDbBatchSize);
-
+ int crash_simulate = GetArg("-dbcrashratio", 0);
uint256 old_tip = GetBestBlock();
if (old_tip.IsNull()) {
@@ -124,6 +126,13 @@ bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) {
LogPrint(BCLog::COINDB, "Writing partial batch of %.2f MiB\n", batch.SizeEstimate() * (1.0 / 1048576.0));
db.WriteBatch(batch);
batch.Clear();
+ if (crash_simulate) {
+ static FastRandomContext rng;
+ if (rng.randrange(crash_simulate) == 0) {
+ LogPrintf("Simulating a crash. Goodbye.\n");
+ exit(0);
+ }
+ }
}
}