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walletdb: Refactor wallet flags loading

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Move wallet flags loading to its own function in WalletBatch

The return value is changed to be TOO_NEW rather than CORRUPT when
unknown flags are found.
This commit is contained in:
Andrew Chow 2022-04-12 11:39:46 -04:00 committed by Andrew Chow
parent 01b35b55a1
commit 52932c5adb
1 changed files with 14 additions and 10 deletions
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24
src/wallet/walletdb.cpp
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@ -803,6 +803,19 @@ static DBErrors LoadMinVersion(CWallet* pwallet, DatabaseBatch& batch) EXCLUSIVE
return DBErrors::LOAD_OK;
}
static DBErrors LoadWalletFlags(CWallet* pwallet, DatabaseBatch& batch) EXCLUSIVE_LOCKS_REQUIRED(pwallet->cs_wallet)
{
AssertLockHeld(pwallet->cs_wallet);
uint64_t flags;
if (batch.Read(DBKeys::FLAGS, flags)) {
if (!pwallet->LoadWalletFlags(flags)) {
pwallet->WalletLogPrintf("Error reading wallet database: Unknown non-tolerable wallet flags found\n");
return DBErrors::TOO_NEW;
}
}
return DBErrors::LOAD_OK;
}
DBErrors WalletBatch::LoadWallet(CWallet* pwallet)
{
CWalletScanState wss;
@ -822,13 +835,7 @@ DBErrors WalletBatch::LoadWallet(CWallet* pwallet)
// Load wallet flags, so they are known when processing other records.
// The FLAGS key is absent during wallet creation.
uint64_t flags;
if (m_batch->Read(DBKeys::FLAGS, flags)) {
if (!pwallet->LoadWalletFlags(flags)) {
pwallet->WalletLogPrintf("Error reading wallet database: Unknown non-tolerable wallet flags found\n");
return DBErrors::CORRUPT;
}
}
if ((result = LoadWalletFlags(pwallet, *m_batch)) != DBErrors::LOAD_OK) return result;
#ifndef ENABLE_EXTERNAL_SIGNER
if (pwallet->IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
@ -873,9 +880,6 @@ DBErrors WalletBatch::LoadWallet(CWallet* pwallet)
// we assume the user can live with:
if (IsKeyType(strType) || strType == DBKeys::DEFAULTKEY) {
result = DBErrors::CORRUPT;
} else if (strType == DBKeys::FLAGS) {
// reading the wallet flags can only fail if unknown flags are present
result = DBErrors::TOO_NEW;
} else if (wss.tx_corrupt) {
pwallet->WalletLogPrintf("Error: Corrupt transaction found. This can be fixed by removing transactions from wallet and rescanning.\n");
// Set tx_corrupt back to false so that the error is only printed once (per corrupt tx)