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gui: Avoid wallet tryGetBalances calls before TransactionChanged or BlockTip notifications

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interfaces::Wallet::tryGetBalances was recently updated in
https://github.com/bitcoin/bitcoin/pull/18160 to avoid computing balances
internally, but this not efficient as it could be with #10102 because
tryGetBalances is an interprocess call.

Implementing the TransactionChanged / BlockTip check outside of tryGetBalances
also allows tryGetBalances to be simplified in next commit 'Revert "gui: Avoid
Wallet::GetBalance in WalletModel::pollBalanceChanged"'.
This commit is contained in:
Russell Yanofsky 2020-04-02 07:42:01 -04:00
parent 2bc9b92ed8
commit bf0a510981
1 changed files with 4 additions and 0 deletions
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4
src/qt/walletmodel.cpp
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@ -85,6 +85,10 @@ void WalletModel::updateStatus()
void WalletModel::pollBalanceChanged()
{
// Avoid recomputing wallet balances unless a TransactionChanged or
// BlockTip notification was received.
if (!fForceCheckBalanceChanged && cachedNumBlocks == m_client_model->getNumBlocks()) return;
// Try to get balances and return early if locks can't be acquired. This
// avoids the GUI from getting stuck on periodical polls if the core is
// holding the locks for a longer time - for example, during a wallet