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Fetch keys from keypool when private keys are disabled

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When private keys are disabled, still fetch keys from the keypool
if the keypool has keys. Those keys come from importing them and
adding them to the keypool.
This commit is contained in:
Andrew Chow
2018-11-06 09:44:51 -05:00
parent 99cccb900b
commit 9b81fd19ac
3 changed files with 16 additions and 25 deletions
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12
src/wallet/wallet.cpp
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@@ -2833,8 +2833,8 @@ bool CWallet::CreateTransaction(interfaces::Chain::Lock& locked_chain, const std
// post-backup change.
// Reserve a new key pair from key pool
if (IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
strFailReason = _("Can't generate a change-address key. Private keys are disabled for this wallet.");
if (!CanGetAddresses(true)) {
strFailReason = _("Can't generate a change-address key. No keys in the internal keypool and can't generate any keys.");
return false;
}
CPubKey vchPubKey;
@@ -3487,7 +3487,8 @@ bool CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool, bool fRe
if (!IsLocked())
TopUpKeyPool();
bool fReturningInternal = IsHDEnabled() && CanSupportFeature(FEATURE_HD_SPLIT) && fRequestedInternal;
bool fReturningInternal = fRequestedInternal;
fReturningInternal &= (IsHDEnabled() && CanSupportFeature(FEATURE_HD_SPLIT)) || IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS);
bool use_split_keypool = set_pre_split_keypool.empty();
std::set<int64_t>& setKeyPool = use_split_keypool ? (fReturningInternal ? setInternalKeyPool : setExternalKeyPool) : set_pre_split_keypool;
@@ -3504,7 +3505,8 @@ bool CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool, bool fRe
if (!batch.ReadPool(nIndex, keypool)) {
throw std::runtime_error(std::string(__func__) + ": read failed");
}
if (!HaveKey(keypool.vchPubKey.GetID())) {
CPubKey pk;
if (!GetPubKey(keypool.vchPubKey.GetID(), pk)) {
throw std::runtime_error(std::string(__func__) + ": unknown key in key pool");
}
// If the key was pre-split keypool, we don't care about what type it is
@@ -3558,7 +3560,7 @@ bool CWallet::GetKeyFromPool(CPubKey& result, bool internal)
{
LOCK(cs_wallet);
int64_t nIndex;
if (!ReserveKeyFromKeyPool(nIndex, keypool, internal)) {
if (!ReserveKeyFromKeyPool(nIndex, keypool, internal) && !IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
if (IsLocked()) return false;
WalletBatch batch(*database);
result = GenerateNewKey(batch, internal);