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1b5f4243d1
This PR removes sp-std crate from substrate/primitives sub-directories. For now crates that have `pub use` of sp-std or export macros that would necessitate users of the macros to `extern crate alloc` have been excluded from this PR. There should be no breaking changes in this PR. --------- Co-authored-by: Koute <koute@users.noreply.github.com>
Substrate externalities abstraction
The externalities mainly provide access to storage and to registered extensions. Extensions are for example the keystore or the offchain externalities. These externalities are used to access the node from the runtime via the runtime interfaces.
This crate exposes the main [Externalities] trait.
License: Apache-2.0