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Allow to cancel the txdb upgrade via splashscreen callback

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Jonas Schnelli 2017-06-23 09:35:24 +02:00
parent ae09d4583b
commit 316fcb5106
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GPG key ID: 1EB776BB03C7922D
1 changed files with 9 additions and 0 deletions
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9
src/txdb.cpp
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@ -11,6 +11,8 @@
#include "pow.h"
#include "uint256.h"
#include "util.h"
#include "ui_interface.h"
#include "init.h"
#include <stdint.h>
@ -366,9 +368,11 @@ bool CCoinsViewDB::Upgrade() {
return true;
}
int64_t count = 0;
LogPrintf("Upgrading database...\n");
size_t batch_size = 1 << 24;
CDBBatch batch(db);
uiInterface.SetProgressBreakAction(StartShutdown);
while (pcursor->Valid()) {
boost::this_thread::interruption_point();
if (ShutdownRequested()) {
@ -376,6 +380,10 @@ bool CCoinsViewDB::Upgrade() {
}
std::pair<unsigned char, uint256> key;
if (pcursor->GetKey(key) && key.first == DB_COINS) {
if (count++ % 256 == 0) {
uint32_t high = 0x100 * *key.second.begin() + *(key.second.begin() + 1);
uiInterface.ShowProgress(_("Upgrading UTXO database") + "\n"+ _("(press q to shutdown and continue later)") + "\n", (int)(high * 100.0 / 65536.0 + 0.5));
}
CCoins old_coins;
if (!pcursor->GetValue(old_coins)) {
return error("%s: cannot parse CCoins record", __func__);
@ -400,5 +408,6 @@ bool CCoinsViewDB::Upgrade() {
}
}
db.WriteBatch(batch);
uiInterface.SetProgressBreakAction(std::function<void(void)>());
return true;
}