Trait near_contract_standards_sbt::non_fungible_token::approval::NonFungibleTokenApprovalReceiver

pub trait NonFungibleTokenApprovalReceiver {
    fn nft_on_approve(
        &mut self,
        token_id: TokenId,
        owner_id: AccountId,
        approval_id: u64,
        msg: String
    ) -> PromiseOrValue<String>;
}

Approval receiver is the trait for the method called (or attempted to be called) when an NFT contract adds an approval for an account.

Required Methods

fn nft_on_approve(
    &mut self,
    token_id: TokenId,
    owner_id: AccountId,
    approval_id: u64,
    msg: String
) -> PromiseOrValue<String>

Respond to notification that contract has been granted approval for a token.

Notes

• Contract knows the token contract ID from predecessor_account_id

Arguments:

• token_id: the token to which this contract has been granted approval
• owner_id: the owner of the token
• approval_id: the approval ID stored by NFT contract for this approval. Expected to be a number within the 2^53 limit representable by JSON.
• msg: specifies information needed by the approved contract in order to handle the approval. Can indicate both a function to call and the parameters to pass to that function.

Implementors