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wallet: Avoid use of Chain::Lock in CWallet::ScanForWalletTransactions

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

This change affects behavior in a few small ways.

- If there's no max_height specified, percentage progress is measured ending at
  wallet last processed block instead of node tip

- More consistent error reporting: Early check to see if start_block is on the
  active chain is removed, so start_block is always read and the triggers an
  error if it's unavailable
This commit is contained in:
Russell Yanofsky
2020-01-22 16:53:42 -05:00
parent 1be8ff280c
commit c0d07dc4cb
8 changed files with 65 additions and 42 deletions
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2
src/qt/test/wallettests.cpp
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@@ -153,7 +153,7 @@ void TestGUI(interfaces::Node& node)
{
WalletRescanReserver reserver(wallet.get());
reserver.reserve();
CWallet::ScanResult result = wallet->ScanForWalletTransactions(Params().GetConsensus().hashGenesisBlock, {} /* stop_block */, reserver, true /* fUpdate */);
CWallet::ScanResult result = wallet->ScanForWalletTransactions(Params().GetConsensus().hashGenesisBlock, 0 /* block height */, {} /* max height */, reserver, true /* fUpdate */);
QCOMPARE(result.status, CWallet::ScanResult::SUCCESS);
QCOMPARE(result.last_scanned_block, ::ChainActive().Tip()->GetBlockHash());
QVERIFY(result.last_failed_block.IsNull());