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* switch to simple codec, trie broken for now * Actualy use trie_root_noext * align some hash, failing test on EMCH comment * Fix trie code over layout instead of hash, revert legacy code for legacy mainnet ?? * stub behind LayOut * fix no_std * temp solution for legacy trie behind feature legacy-key in various crate * use remote project * rc client db need prefix * update trie deps * bum spec runtime version * Removing legacy as default. * Switch mode to non legacy. * bump runtime version * Remove legacy trie compatibility features. * fix warning * bump version * change hash on new test. * Move dependency (#11 trie PR) patched to a parity repo. Bench reverted to correct hasher. Some renaming and doc improvments. * ChildBitmap renaming to BitMap. * Renaming of LayOut to Layout. * formatting. * Removing abreviation such as _ix nb_ or bm. * Update deps and apply renaming 'Buff' -> 'Buffer'. * Align to latest trie crates naming changes. * Update trie dependency. * Update trie dependency. * change block_import test hash * update trie deps (trie use new scale codec but it does not seems to be an issue). * update to use latest trie version (no mgmt of multiple radix). * tabify * Restoring test to 10 000. * Use published crate, trie bench is currently down until publishing (require another pr to update version). * Update trie-bench.
= SRML The Substrate Runtime Module Library (SRML) is a collection of runtime modules. == What are runtime modules? A Substrate runtime can be composed of several smaller components for separation of concerns. These components are called runtime _modules_. Each runtime module packages together a set of functions (dispatchable extrinsic calls, public or private, mutable or immutable), storage items, and events. There are four primary components that support runtime modules: === system module https://github.com/paritytech/substrate/tree/master/srml/system[`system`] provides low-level APIs and utilities for other modules. https://github.com/paritytech/substrate/tree/master/srml/system[`system`] also defines all core types and extrinsic events for the Substrate runtime. *All modules depend on the system module.* === executive module https://github.com/paritytech/substrate/tree/master/srml/executive[`executive`] dispatches incoming extrinsic calls to the respective modules in the runtime. === support macros https://github.com/paritytech/substrate/tree/master/srml/support[`support` macros] are a collection of Rust macros to facilitate the implementation of common module components. https://github.com/paritytech/substrate/tree/master/srml/support[`support` macros] expand at runtime to generate types (e.g. `Module`, `Call`, `Store`, `Event`) which are thereafter used by the runtime to communicate with the modules. Common support macros include https://crates.parity.io/srml_support/macro.decl_module.html[`decl_module`], https://crates.parity.io/srml_support_procedural/macro.decl_storage.html[`decl_storage`], https://crates.parity.io/srml_support/macro.decl_event.html[`decl_event`], and https://crates.parity.io/srml_support/macro.ensure.html[`ensure`]. === runtime The runtime expands the support macros to get type and trait implementations for each module before calling https://github.com/paritytech/substrate/tree/master/srml/executive[`executive`] to dispatch calls to the individual modules. To see an example of how this might look, see https://github.com/paritytech/substrate/blob/master/node/runtime/src/lib.rs[`../node/runtime`].