// Deposit
pub fn ft_on_transfer(&mut self, sender_id: AccountId, amount: U128, msg: String) -> PromiseOrValue<U128>;
// Withdraw
pub fn withdraw(&mut self, asset_id: Option<AccountId>, amount: U128) -> Promise;

pub fn contract_status(&self) -> ContractStatus;
pub fn name(&self) -> String;
pub fn symbol(&self) -> String;
pub fn decimals(&self) -> u8;
pub fn version(&self) -> String;
pub fn blacklist_status(&self, account_id: &AccountId) -> BlackListStatus;
pub fn owner(&self);
pub fn treasury(&self) -> Vec<(AccountId, StableInfo)>;
pub fn commission(&self) -> CommissionOutput;
pub fn commission_rate(&self, asset_id: &AccountId) -> CommissionRate;

pub fn ft_transfer(&mut self, receiver_id: AccountId, amount: U128, memo: Option<String>);
pub fn ft_transfer_call(
        &mut self,
        receiver_id: AccountId,
        amount: U128,
        memo: Option<String>,
        msg: String,
    ) -> PromiseOrValue<U128>;
pub fn ft_total_supply(&self) -> U128;
pub fn ft_balance_of(&self, account_id: AccountId) -> U128;
pub fn ft_metadata(&self) -> FungibleTokenMetadata;
pub fn ft_on_transfer(&mut self, sender_id: AccountId, amount: U128, msg: String) -> PromiseOrValue<U128>;

pub fn storage_balance_of(&self, account_id: AccountId) -> Option<StorageBalance>;

pub fn new(owner_id: AccountId) -> Self;

pub fn upgrade_name_symbol(&mut self, name: String, symbol: String);
pub fn upgrade_icon(&mut self, data: String);
pub fn add_to_blacklist(&mut self, account_id: &AccountId);
pub fn remove_from_blacklist(&mut self, account_id: &AccountId);
pub fn destroy_black_funds(&mut self, account_id: &AccountId);
pub fn pause(&mut self);
pub fn resume(&mut self);
pub fn extend_guardians(&mut self, guardians: Vec<AccountId>);
pub fn remove_guardians(&mut self, guardians: Vec<AccountId>);
pub fn add_stable_asset(&mut self, asset_id: &AccountId, decimals: u8);
pub fn enable_stable_asset(&mut self, asset_id: &AccountId);
pub fn disable_stable_asset(&mut self, asset_id: &AccountId);
pub fn transfer_commission(&mut self, account_id: AccountId, amount: U128); 
pub fn set_commission_rate(&mut self, asset_id: &AccountId, rate: CommissionRate)
pub fn stake(&self, amount: U128, pool_id: AccountId) -> Promise;
pub fn unstake(&self, amount: U128, pool_id: AccountId) -> Promise;
pub fn unstake_all(&self, pool_id: AccountId) -> Promise;
pub fn withdraw_all(&self, pool_id: AccountId) -> Promise;

pub fn propose_new_owner(&mut self, proposed_owner_id: AccountId);
pub fn accept_ownership(&mut self);

pub fn upgrade();
pub fn migrate() -> Self;