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Migrate all doc to new pallet macro (#10187)

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* Migrate all doc to new pallet macro

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Fix indent

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Fix format

Signed-off-by: koushiro <koushiro.cqx@gmail.com>
This commit is contained in:
Qinxuan Chen
2021-11-19 06:08:17 +08:00
committed by GitHub
parent 78e60cbc4f
commit 69478639b3
23 changed files with 265 additions and 191 deletions
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substrate/frame/assets/README.md
+29 -21
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@@ -69,35 +69,43 @@ Import the Assets module and types and derive your runtime's configuration trait
```rust
use pallet_assets as assets;
use frame_support::{decl_module, dispatch, ensure};
use frame_system::ensure_signed;
use sp_runtime::ArithmeticError;
pub trait Config: assets::Config { }
#[frame_support::pallet]
pub mod pallet {
use super::*;
use frame_support::pallet_prelude::*;
use frame_system::pallet_prelude::*;
decl_module! {
pub struct Module<T: Config> for enum Call where origin: T::Origin {
pub fn issue_token_airdrop(origin) -> dispatch::DispatchResult {
let sender = ensure_signed(origin).map_err(|e| e.as_str())?;
#[pallet::pallet]
pub struct Pallet<T>(_);
const ACCOUNT_ALICE: u64 = 1;
const ACCOUNT_BOB: u64 = 2;
const COUNT_AIRDROP_RECIPIENTS: u64 = 2;
const TOKENS_FIXED_SUPPLY: u64 = 100;
#[pallet::config]
pub trait Config: frame_system::Config + assets::Config {}
ensure!(!COUNT_AIRDROP_RECIPIENTS.is_zero(), ArithmeticError::DivisionByZero);
#[pallet::call]
impl<T: Config> Pallet<T> {
pub fn issue_token_airdrop(origin: OriginFor<T>) -> DispatchResult {
let sender = ensure_signed(origin)?;
let asset_id = Self::next_asset_id();
const ACCOUNT_ALICE: u64 = 1;
const ACCOUNT_BOB: u64 = 2;
const COUNT_AIRDROP_RECIPIENTS: u64 = 2;
const TOKENS_FIXED_SUPPLY: u64 = 100;
<NextAssetId<T>>::mutate(|asset_id| *asset_id += 1);
<Balances<T>>::insert((asset_id, &ACCOUNT_ALICE), TOKENS_FIXED_SUPPLY / COUNT_AIRDROP_RECIPIENTS);
<Balances<T>>::insert((asset_id, &ACCOUNT_BOB), TOKENS_FIXED_SUPPLY / COUNT_AIRDROP_RECIPIENTS);
<TotalSupply<T>>::insert(asset_id, TOKENS_FIXED_SUPPLY);
ensure!(!COUNT_AIRDROP_RECIPIENTS.is_zero(), ArithmeticError::DivisionByZero);
Self::deposit_event(RawEvent::Issued(asset_id, sender, TOKENS_FIXED_SUPPLY));
Ok(())
}
}
let asset_id = Self::next_asset_id();
<NextAssetId<T>>::mutate(|asset_id| *asset_id += 1);
<Balances<T>>::insert((asset_id, &ACCOUNT_ALICE), TOKENS_FIXED_SUPPLY / COUNT_AIRDROP_RECIPIENTS);
<Balances<T>>::insert((asset_id, &ACCOUNT_BOB), TOKENS_FIXED_SUPPLY / COUNT_AIRDROP_RECIPIENTS);
<TotalSupply<T>>::insert(asset_id, TOKENS_FIXED_SUPPLY);
Self::deposit_event(Event::Issued(asset_id, sender, TOKENS_FIXED_SUPPLY));
Ok(())
}
}
}
```