Pavel Zbitskiy

ledger: do not shadow db error in account lookup

1

## Summary DB lookup might fail and acctupdates' lookup method return not original error but overwritten by another one. This makes debugging a bit harder. ## Test Plan Existing tests

tests: reenable catchpoint tests

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## Summary * Reenable TestAcctUpdatesFastUpdates * Fix and restore TestLargeAccountCountCatchpointGeneration * Rename all catchpount tracker test to have TestCatchpoint prefix

prefetcher: enable prefetcher for assets and apps

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## Summary Enable prefetcher for asset and app transactions except the foreign fields. ## Test Plan 1. Modified all prefetcher error tests to ensure all transaction groups returned by the...

We want a tool finding and confirming passing structs by ptr is much more beneficial than by pointer. Came from this [comment](https://github.com/algorand/go-algorand/pull/4003#discussion_r894844990): ```golang - func (ba *baseAccountData) SetAccountData(ad *basics.AccountData) {...

Update trackerDB schema migration

1

Probably not useful for this PR, but maybe in the future it would be. There are some utilities added with the participation registry to fill in the boilerplate for these...

poc: new TxHandler decoder

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## Summary Use msgp marshaller instead of reflect in TxHandler ``` BenchmarkTxHandlerDecoder-8 68 17116004 ns/op 3335105 B/op 51105 allocs/op BenchmarkTxHandlerDecoderMsgp-8 122 10213123 ns/op 1189860 B/op 614 allocs/op ``` ``` BenchmarkTxHandlerProcessDecoded-8...

This is a 320-rounds follow up task Revisit lookupResource and lookupWithoutRewards setting `rnd` when record not found in deltas: ``` rnd = currentDbRound + basics.Round(currentDeltaLen) ```

daemon: add pool error message

1

## Summary Transaction pools might store failed transactions for quite a long time on its StatusCache. When someone requests a pending transaction and it gets retrieved from the StatusCache, there...

Write an e2e test that checks speculation actually works.