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Bump wallet version for pre split keypool

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Bump the wallet version to indicate support for the pre split keypool.
Also prevents any wallets from upgrading to versions between HD_SPLIT
and PRE_SPLIT_KEYPOOL.
This commit is contained in:
Andrew Chow 2018-04-27 23:32:59 -04:00
parent dfcd9f3e6a
commit a8da482a8b
2 changed files with 12 additions and 2 deletions
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10
src/wallet/wallet.cpp
View file

@ -4060,6 +4060,14 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path&
// Upgrade to HD if explicit upgrade
if (gArgs.GetBoolArg("-upgradewallet", false)) {
LOCK(walletInstance->cs_wallet);
// Do not upgrade versions to any version between HD_SPLIT and FEATURE_PRE_SPLIT_KEYPOOL unless already supporting HD_SPLIT
int max_version = walletInstance->nWalletVersion;
if (!walletInstance->CanSupportFeature(FEATURE_HD_SPLIT) && max_version >=FEATURE_HD_SPLIT && max_version < FEATURE_PRE_SPLIT_KEYPOOL) {
InitError(_("Cannot upgrade a non HD split wallet without upgrading to support pre split keypool. Please use -upgradewallet=169900 or -upgradewallet with no version specified."));
return nullptr;
}
bool hd_upgrade = false;
bool split_upgrade = false;
if (walletInstance->CanSupportFeature(FEATURE_HD) && !walletInstance->IsHDEnabled()) {
@ -4076,7 +4084,7 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path&
// Upgrade to HD chain split if necessary
if (walletInstance->CanSupportFeature(FEATURE_HD_SPLIT)) {
LogPrintf("Upgrading wallet to use HD chain split\n");
walletInstance->SetMinVersion(FEATURE_HD_SPLIT);
walletInstance->SetMinVersion(FEATURE_PRE_SPLIT_KEYPOOL);
split_upgrade = FEATURE_HD_SPLIT > prev_version;
}
// Mark all keys currently in the keypool as pre-split

4
src/wallet/wallet.h
View file

@ -89,7 +89,9 @@ enum WalletFeature
FEATURE_NO_DEFAULT_KEY = 159900, // Wallet without a default key written
FEATURE_LATEST = FEATURE_NO_DEFAULT_KEY
FEATURE_PRE_SPLIT_KEYPOOL = 169900, // Upgraded to HD SPLIT and can have a pre-split keypool
FEATURE_LATEST = FEATURE_PRE_SPLIT_KEYPOOL
};
enum class OutputType {