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Remove MakePayment and introduce SignedExtension docs/examples (#3464)

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* New doc for signed extensions.

* Cleanup.

* review nits.
This commit is contained in:
Kian Paimani
2019-08-23 14:12:39 +02:00
committed by GitHub
parent 9c4843315c
commit 94243e66b3
7 changed files with 144 additions and 9 deletions
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substrate/srml/system/src/lib.rs
+17
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@@ -42,6 +42,23 @@
//!
//! See the [`Module`](./struct.Module.html) struct for details of publicly available functions.
//!
//! ### Signed Extensions
//!
//! The system module defines the following extensions:
//!
//! - [`CheckWeight`]: Checks the weight and length of the block and ensure that it does not
//! exceed the limits.
//! - ['CheckNonce']: Checks the nonce of the transaction. Contains a single payload of type
//! `T::Index`.
//! - [`CheckEra`]: Checks the era of the transaction. Contains a single payload of type `Era`.
//! - [`CheckGenesis`]: Checks the provided genesis hash of the transaction. Must be a part of the
//! signed payload of the transaction.
//! - [`CheckVersion`]: Checks that the runtime version is the same as the one encoded in the
//! transaction.
//!
//! Lookup the runtime aggregator file (e.g. `node/runtime`) to see the full list of signed
//! extensions included in a chain.
//!
//! ## Usage
//!
//! ### Prerequisites