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wallet: avoid double TopUp() calls on descriptor wallets

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Move TopUp() responsibility from the wallet class to each scriptpubkeyman.
So each spkm can decide to call it or not after perform the basic checks
for the new destination request.

Reason:

We were calling it twice in the following flows for descriptor wallets:

A) CWallet::GetNewDestination:
   1) Calls spk_man->TopUp()
   2) Calls spk_man->GetNewDestination() --> which, after the basic script checks, calls TopUp() again.

B) CWallet::GetReservedDestination:
   1) Calls spk_man->TopUp()
   2) Calls spk_man->GetReservedDestination() --> which calls to GetNewDestination (which calls to TopUp again).
This commit is contained in:
furszy
2022-06-30 20:51:40 -03:00
parent bf3f05f41d
commit 599ff5adfc
2 changed files with 7 additions and 5 deletions
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6
src/wallet/scriptpubkeyman.cpp
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@@ -28,6 +28,9 @@ util::Result<CTxDestination> LegacyScriptPubKeyMan::GetNewDestination(const Outp
}
assert(type != OutputType::BECH32M);
// Fill-up keypool if needed
TopUp();
LOCK(cs_KeyStore);
// Generate a new key that is added to wallet
@@ -304,6 +307,9 @@ util::Result<CTxDestination> LegacyScriptPubKeyMan::GetReservedDestination(const
return util::Error{_("Error: Keypool ran out, please call keypoolrefill first")};
}
// Fill-up keypool if needed
TopUp();
if (!ReserveKeyFromKeyPool(index, keypool, internal)) {
return util::Error{_("Error: Keypool ran out, please call keypoolrefill first")};
}