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Use cluster confirmations in rpc and pubsub (#9138)

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* Add runtime methods to simply get status and slot

* Add helper function to get slot confirmation_count from BlockCommitmentCache

* Return cluster confirmations in getSignatureStatus

* Remove use of invalid get_signature_confirmation_status

* Remove unused methods

* Update pubsub to use cluster confirmations

* Fix test_check_signature_subscribe failure

* Refactor confirmations to read commitment cache only once

* Review comments

* Use bank, root from BlockCommitmentCache

* Update docs

* Add metric for block-commitment aggregations

Co-authored-by: Justin Starry <justin@solana.com>
This commit is contained in:
Tyera Eulberg
2020-03-30 17:53:25 -06:00
committed by GitHub
parent 8636ef5e24
commit 50fa577af8
15 changed files with 400 additions and 344 deletions
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5
docs/src/apps/jsonrpc-api.md
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@@ -118,7 +118,7 @@ Many methods that take a commitment parameter return an RpcResponse JSON object
### confirmTransaction
Returns a transaction receipt
Returns a transaction receipt. This method only searches the recent status cache of signatures, which retains all active slots plus `MAX_RECENT_BLOCKHASHES` rooted slots.
#### Parameters:
@@ -656,14 +656,13 @@ curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "m
### getSignatureStatus
Returns the status of a given signature. This method is similar to [confirmTransaction](jsonrpc-api.md#confirmtransaction) but provides more resolution for error events.
Returns the status of a given signature. This method is similar to [confirmTransaction](jsonrpc-api.md#confirmtransaction) but provides more resolution for error events. This method only searches the recent status cache of signatures, which retains all active slots plus `MAX_RECENT_BLOCKHASHES` rooted slots.
#### Parameters:
* `<array>` - An array of transaction signatures to confirm, as base-58 encoded strings
* `<object>` - (optional) Extended Rpc configuration, containing the following optional fields:
* `commitment: <string>` - [Commitment](jsonrpc-api.md#configuring-state-commitment)
* `searchTransactionHistory: <bool>` - whether to search the ledger transaction status cache, which may be expensive
#### Results: