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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/balances/src/lib.rs
+11 -2
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@@ -72,8 +72,6 @@
//! - [`Imbalance`](../srml_support/traits/trait.Imbalance.html): Functions for handling
//! imbalances between total issuance in the system and account balances. Must be used when a function
//! creates new funds (e.g. a reward) or destroys some funds (e.g. a system fee).
//! - [`MakePayment`](../srml_support/traits/trait.MakePayment.html): Simple trait designed
//! for hooking into a transaction payment.
//! - [`IsDeadAccount`](../srml_system/trait.IsDeadAccount.html): Determiner to say whether a
//! given account is unused.
//!
@@ -88,6 +86,17 @@
//!
//! - `vesting_balance` - Get the amount that is currently being vested and cannot be transferred out of this account.
//!
//! ### Signed Extensions
//!
//! The balances module defines the following extensions:
//!
//! - [`TakeFees`]: Consumes fees proportional to the length and weight of the transaction.
//! Additionally, it can contain a single encoded payload as a `tip`. The inclusion priority
//! is increased proportional to the tip.
//!
//! Lookup the runtime aggregator file (e.g. `node/runtime`) to see the full list of signed
//! extensions included in a chain.
//!
//! ## Usage
//!
//! The following examples show how to use the Balances module in your custom module.