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zenlink-assets

overview

The implement of the ERC20 assets.

variants

1. issue(T::TokenBalance, AssetInfo)
Issue a new class of pallet-zenlink assets. There are, and will only ever be, 
total such assets and they'll all belong to the origin initially. 
It will have an identifier AssetId instance: 
this will be specified in the Issued event.
  • total: initial total supply.
  • asset_info: the asset info contains name, symbol, decimals.
2. transfer(T::AssetId, <T::Lookup as StaticLookup>::Source, T::TokenBalance)
Move some assets from one holder to another.
  • id: the asset id.
  • target: the receiver of the asset.
  • amount: the amount of the asset to transfer.
3. approve(T::AssetId, <T::Lookup as StaticLookup>::Source, T::TokenBalance)
Allow spender to withdraw from the origin account.
  • id: the asset id.
  • spender: the spender account.
  • amount: the amount of allowance.
4. transfer_from(T::AssetId, <T::Lookup as StaticLookup>::Source, <T::Lookup as StaticLookup>::Source, T::TokenBalance)
Send amount of asset from Account from to Account target.
  • id: the asset id.
  • from: the source of the asset to be transferred.
  • target: the receiver of the asset to be transferred.
  • amount: the amount of asset to be transferred.

beyond ERC20 for zenlink-dex

  • mint: Increase the total supply of the asset
pub fn inner_mint(
    id: &T::AssetId,
    owner: &T::AccountId,
    amount: T::TokenBalance
) -> DispatchResult
  • burn: Decrease the total supply of the asset
pub fn inner_burn(
    id: &T::AssetId,
    owner: &T::AccountId,
    amount: T::TokenBalance
) -> DispatchResult