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Michal Kucharczyk
7a10154188
* BlockId removal: refactor of runtime API It changes the arguments of: - `ApiExt` methods: `has_api`, `has_api_with`, `api_version` - `CallApiAt` method: `runtime_version_at` from: `BlockId<Block>` to: `Block::Hash` It also changes the first argument of all generated runtime API calls from: `BlockId<Block>` to: `Block::Hash` This PR is part of BlockId::Number refactoring analysis (paritytech/substrate#11292) * BlockId removal: refactor of runtime API - tests - tests adjusted to new runtime API, - some tests migrated from block number to block hash * benchmarking-cli: BlockId(0) migrated to info().genesis_hash `runtime_api.call()` now requires the block hash instead of BlockId::Number. To access the genesis hash widely used in benchmarking engine the Client was constrained to satisfy `sp_blockchain::HeaderBackend<Block>` trait which provides `info().genesis_hash`. * trivial: api.call(BlockId) -> api.call(Hash) - Migrated all `runtime_api.calls` to use Hash - Noteworthy (?): -- `validate_transaction_blocking` in transaction pool, * CallApiAtParams::at changed to Block::Hash * missed doc updated * Apply suggestions from code review Co-authored-by: Bastian Köcher <git@kchr.de> * ".git/.scripts/commands/fmt/fmt.sh" * BlockId removal: Benchmark::consumed_weight Little refactor around `Benchmark::consumed_weight`: `BlockId` removed. * at_hash renamed * wrong merge fixed * beefy worker: merged with master * beefy: tests: missing block problem fixed * Apply review suggestion * fix --------- Co-authored-by: Bastian Köcher <git@kchr.de> Co-authored-by: command-bot <>
Substrate offchain workers.
The offchain workers is a special function of the runtime that gets executed after block is imported. During execution it's able to asynchronously submit extrinsics that will either be propagated to other nodes or added to the next block produced by the node as unsigned transactions.
Offchain workers can be used for computation-heavy tasks that are not feasible for execution during regular block processing. It can either be tasks that no consensus is required for, or some form of consensus over the data can be built on-chain for instance via:
- Challenge period for incorrect computations
- Majority voting for results
- etc
License: GPL-3.0-or-later WITH Classpath-exception-2.0