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wallet: Avoid use of Chain::Lock in tryGetTxStatus and tryGetBalances

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This is a step toward removing the Chain::Lock class and reducing cs_main
locking.

It also helps ensure the GUI display stays up to date in the case where the
node chain height runs ahead of wallet last block processed height.
This commit is contained in:
Russell Yanofsky
2020-01-16 15:56:58 -05:00
parent bf30cd4922
commit f6da44ccce
2 changed files with 13 additions and 10 deletions
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17
src/interfaces/wallet.cpp
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@@ -14,6 +14,7 @@
#include <sync.h>
#include <ui_interface.h>
#include <uint256.h>
#include <util/check.h>
#include <util/system.h>
#include <wallet/feebumper.h>
#include <wallet/fees.h>
@@ -62,7 +63,7 @@ WalletTx MakeWalletTx(CWallet& wallet, const CWalletTx& wtx)
WalletTxStatus MakeWalletTxStatus(interfaces::Chain::Lock& locked_chain, const CWalletTx& wtx)
{
WalletTxStatus result;
result.block_height = locked_chain.getBlockHeight(wtx.m_confirm.hashBlock).get_value_or(std::numeric_limits<int>::max());
result.block_height = wtx.m_confirm.block_height > 0 ? wtx.m_confirm.block_height : std::numeric_limits<int>::max();
result.blocks_to_maturity = wtx.GetBlocksToMaturity();
result.depth_in_main_chain = wtx.GetDepthInMainChain();
result.time_received = wtx.nTimeReceived;
@@ -317,13 +318,9 @@ public:
if (mi == m_wallet->mapWallet.end()) {
return false;
}
if (Optional<int> height = locked_chain->getHeight()) {
num_blocks = *height;
block_time = locked_chain->getBlockTime(*height);
} else {
num_blocks = -1;
block_time = -1;
}
num_blocks = m_wallet->GetLastBlockHeight();
block_time = -1;
CHECK_NONFATAL(m_wallet->chain().findBlock(m_wallet->GetLastBlockHash(), FoundBlock().time(block_time)));
tx_status = MakeWalletTxStatus(*locked_chain, mi->second);
return true;
}
@@ -372,12 +369,12 @@ public:
{
auto locked_chain = m_wallet->chain().lock(true /* try_lock */);
if (!locked_chain) return false;
num_blocks = locked_chain->getHeight().get_value_or(-1);
if (!force && num_blocks == cached_num_blocks) return false;
TRY_LOCK(m_wallet->cs_wallet, locked_wallet);
if (!locked_wallet) {
return false;
}
num_blocks = m_wallet->GetLastBlockHeight();
if (!force && num_blocks == cached_num_blocks) return false;
balances = getBalances();
return true;
}