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Bugfix: Wallet: Document expectations for AddWalletFlags (now InitWalletFlags) correctly

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This commit is contained in:
Luke Dashjr 2022-08-05 02:53:34 +00:00
parent 30308cc380
commit 0cb6d2aec6
3 changed files with 11 additions and 6 deletions
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10
src/wallet/wallet.cpp
View File

@ -1479,16 +1479,20 @@ bool CWallet::LoadWalletFlags(uint64_t flags)
return true;
}
bool CWallet::AddWalletFlags(uint64_t flags)
void CWallet::InitWalletFlags(uint64_t flags)
{
LOCK(cs_wallet);
// We should never be writing unknown non-tolerable wallet flags
assert(((flags & KNOWN_WALLET_FLAGS) >> 32) == (flags >> 32));
// This should only be used once, when creating a new wallet - so current flags are expected to be blank
assert(m_wallet_flags == 0);
if (!WalletBatch(GetDatabase()).WriteWalletFlags(flags)) {
throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
}
return LoadWalletFlags(flags);
if (!LoadWalletFlags(flags)) assert(false);
}
// Helper for producing a max-sized low-S low-R signature (eg 71 bytes)
@ -2721,7 +2725,7 @@ std::shared_ptr<CWallet> CWallet::Create(WalletContext& context, const std::stri
// ensure this wallet.dat can only be opened by clients supporting HD with chain split and expects no default key
walletInstance->SetMinVersion(FEATURE_LATEST);
walletInstance->AddWalletFlags(wallet_creation_flags);
walletInstance->InitWalletFlags(wallet_creation_flags);
// Only create LegacyScriptPubKeyMan when not descriptor wallet
if (!walletInstance->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {

5
src/wallet/wallet.h
View File

@ -781,8 +781,9 @@ public:
bool IsWalletFlagSet(uint64_t flag) const override;
/** overwrite all flags by the given uint64_t
returns false if unknown, non-tolerable flags are present */
bool AddWalletFlags(uint64_t flags);
flags must be uninitialised (or 0)
only known flags may be present */
void InitWalletFlags(uint64_t flags);
/** Loads the flags into the wallet. (used by LoadWallet) */
bool LoadWalletFlags(uint64_t flags);

2
src/wallet/wallettool.cpp
View File

@ -34,7 +34,7 @@ static void WalletCreate(CWallet* wallet_instance, uint64_t wallet_creation_flag
LOCK(wallet_instance->cs_wallet);
wallet_instance->SetMinVersion(FEATURE_LATEST);
wallet_instance->AddWalletFlags(wallet_creation_flags);
wallet_instance->InitWalletFlags(wallet_creation_flags);
if (!wallet_instance->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
auto spk_man = wallet_instance->GetOrCreateLegacyScriptPubKeyMan();