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Bastian Köcher
5eb816d7a6
* Start * More work! * Moar * More changes * More fixes * More worrk * More fixes * More fixes to make it compile * Adds `NoOffchainStorage` * Pass the extensions * Small basti making small progress * Fix merge errors and remove `ExecutionContext` * Move registration of `ReadRuntimeVersionExt` to `ExecutionExtension` Instead of registering `ReadRuntimeVersionExt` in `sp-state-machine` it is moved to `ExecutionExtension` which provides the default extensions. * Fix compilation * Register the global extensions inside runtime api instance * Fixes * Fix `generate_initial_session_keys` by passing the keystore extension * Fix the grandpa tests * Fix more tests * Fix more tests * Don't set any heap pages if there isn't an override * Fix small fallout * FMT * Fix tests * More tests * Offchain worker custom extensions * More fixes * Make offchain tx pool creation reusable Introduces an `OffchainTransactionPoolFactory` for creating offchain transactions pools that can be registered in the runtime externalities context. This factory will be required for a later pr to make the creation of offchain transaction pools easier. * Fixes * Fixes * Set offchain transaction pool in BABE before using it in the runtime * Add the `offchain_tx_pool` to Grandpa as well * Fix the nodes * Print some error when using the old warnings * Fix merge issues * Fix compilation * Rename `babe_link` * Rename to `offchain_tx_pool_factory` * Cleanup * FMT * Fix benchmark name * Fix `try-runtime` * Remove `--execution` CLI args * Make clippy happy * Forward bls functions * Fix docs * Update UI tests * Update client/api/src/execution_extensions.rs Co-authored-by: Michal Kucharczyk <1728078+michalkucharczyk@users.noreply.github.com> * Apply suggestions from code review Co-authored-by: Koute <koute@users.noreply.github.com> * Update client/cli/src/params/import_params.rs Co-authored-by: Koute <koute@users.noreply.github.com> * Update client/api/src/execution_extensions.rs Co-authored-by: Koute <koute@users.noreply.github.com> * Pass the offchain storage to the MMR RPC * Update client/api/src/execution_extensions.rs Co-authored-by: Sebastian Kunert <skunert49@gmail.com> * Review comments * Fixes --------- Co-authored-by: Michal Kucharczyk <1728078+michalkucharczyk@users.noreply.github.com> Co-authored-by: Koute <koute@users.noreply.github.com> Co-authored-by: Sebastian Kunert <skunert49@gmail.com>
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