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add support for block pruning via ABCI Commit response (#4588)

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* Added BlockStore.DeleteBlock()

* Added initial block pruner prototype

* wip

* Added BlockStore.PruneBlocks()

* Added consensus setting for block pruning

* Added BlockStore base

* Error on replay if base does not have blocks

* Handle missing blocks when sending VoteSetMaj23Message

* Error message tweak

* Properly update blockstore state

* Error message fix again

* blockchain: ignore peer missing blocks

* Added FIXME

* Added test for block replay with truncated history

* Handle peer base in blockchain reactor

* Improved replay error handling

* Added tests for Store.PruneBlocks()

* Fix non-RPC handling of truncated block history

* Panic on missing block meta in needProofBlock()

* Updated changelog

* Handle truncated block history in RPC layer

* Added info about earliest block in /status RPC

* Reorder height and base in blockchain reactor messages

* Updated changelog

* Fix tests

* Appease linter

* Minor review fixes

* Non-empty BlockStores should always have base > 0

* Update code to assume base > 0 invariant

* Added blockstore tests for pruning to 0

* Make sure we don't prune below the current base

* Added BlockStore.Size()

* config: added retain_blocks recommendations

* Update v1 blockchain reactor to handle blockstore base

* Added state database pruning

* Propagate errors on missing validator sets

* Comment tweaks

* Improved error message

Co-Authored-By: Anton Kaliaev <anton.kalyaev@gmail.com>

* use ABCI field ResponseCommit.retain_height instead of retain-blocks config option

* remove State.RetainHeight, return value instead

* fix minor issues

* rename pruneHeights() to pruneBlocks()

* noop to fix GitHub borkage

Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
This commit is contained in:
Erik Grinaker
2020-04-03 08:38:32 +00:00
committed by GitHub
co-authored by Anton Kaliaev
parent ce50dda66c
commit 4298bbcc4e
42 changed files with 1208 additions and 393 deletions
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abci/example/kvstore/kvstore.go
+8 -2
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@@ -64,7 +64,8 @@ var _ types.Application = (*Application)(nil)
type Application struct {
types.BaseApplication
state State
state State
RetainBlocks int64 // blocks to retain after commit (via ResponseCommit.RetainHeight)
}
func NewApplication() *Application {
@@ -119,7 +120,12 @@ func (app *Application) Commit() types.ResponseCommit {
app.state.AppHash = appHash
app.state.Height++
saveState(app.state)
return types.ResponseCommit{Data: appHash}
resp := types.ResponseCommit{Data: appHash}
if app.RetainBlocks > 0 && app.state.Height >= app.RetainBlocks {
resp.RetainHeight = app.state.Height - app.RetainBlocks + 1
}
return resp
}
// Returns an associated value or nil if missing.