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wallet: Add GetClosestWalletFeature function

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Given a version number, get the closest supported WalletFeature
for a version number.
This commit is contained in:
Andrew Chow 2020-04-29 16:58:12 -04:00
parent 842ae3842d
commit 5f720544f3
2 changed files with 14 additions and 0 deletions
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13
src/wallet/walletutil.cpp
View file

@ -75,3 +75,16 @@ bool IsFeatureSupported(int wallet_version, int feature_version)
{
return wallet_version >= feature_version;
}
WalletFeature GetClosestWalletFeature(int version)
{
if (version >= FEATURE_LATEST) return FEATURE_LATEST;
if (version >= FEATURE_PRE_SPLIT_KEYPOOL) return FEATURE_PRE_SPLIT_KEYPOOL;
if (version >= FEATURE_NO_DEFAULT_KEY) return FEATURE_NO_DEFAULT_KEY;
if (version >= FEATURE_HD_SPLIT) return FEATURE_HD_SPLIT;
if (version >= FEATURE_HD) return FEATURE_HD;
if (version >= FEATURE_COMPRPUBKEY) return FEATURE_COMPRPUBKEY;
if (version >= FEATURE_WALLETCRYPT) return FEATURE_WALLETCRYPT;
if (version >= FEATURE_BASE) return FEATURE_BASE;
return static_cast<WalletFeature>(0);
}

1
src/wallet/walletutil.h
View file

@ -30,6 +30,7 @@ enum WalletFeature
};
bool IsFeatureSupported(int wallet_version, int feature_version);
WalletFeature GetClosestWalletFeature(int version);
enum WalletFlags : uint64_t {
// wallet flags in the upper section (> 1 << 31) will lead to not opening the wallet if flag is unknown