defuse/tokens/
nep171.rs

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
use near_contract_standards::non_fungible_token::{TokenId, core::NonFungibleTokenReceiver};
use near_plugins::AccessControllable;
use near_sdk::{AccountId, PromiseOrValue, ext_contract};

#[ext_contract(ext_nft_withdraw)]
pub trait NonFungibleTokenWithdrawer:
    NonFungibleTokenReceiver + NonFungibleTokenWithdrawResolver
{
    /// Returns number of tokens were successfully withdrawn
    ///
    /// Optionally can specify `storage_deposit` for `receiver_id` on `token`.
    /// The amount will be subtracted from user's NEP-141 `wNEAR` balance.
    ///
    /// NOTE: MUST attach 1 yⓃ for security purposes.
    fn nft_withdraw(
        &mut self,
        token: AccountId,
        receiver_id: AccountId,
        token_id: TokenId,
        memo: Option<String>,
        msg: Option<String>,
    ) -> PromiseOrValue<bool>;
}

#[ext_contract(ext_nft_withdraw_resolver)]
pub trait NonFungibleTokenWithdrawResolver {
    fn nft_resolve_withdraw(
        &mut self,
        token: AccountId,
        sender_id: AccountId,
        token_id: TokenId,
        is_call: bool,
    ) -> bool;
}

#[ext_contract(ext_nft_force_withdraw)]
pub trait NonFungibleTokenForceWithdrawer: NonFungibleTokenWithdrawer + AccessControllable {
    fn nft_force_withdraw(
        &mut self,
        owner_id: AccountId,
        token: AccountId,
        receiver_id: AccountId,
        token_id: TokenId,
        memo: Option<String>,
        msg: Option<String>,
    ) -> PromiseOrValue<bool>;
}