package grc721

import "std"

type IGRC721 interface {
	BalanceOf(owner std.Address) (uint64, error)
	OwnerOf(tid TokenID) (std.Address, error)
	SetTokenURI(tid TokenID, tURI TokenURI) (bool, error)
	SafeTransferFrom(from, to std.Address, tid TokenID) error
	TransferFrom(from, to std.Address, tid TokenID) error
	Approve(approved std.Address, tid TokenID) error
	SetApprovalForAll(operator std.Address, approved bool) error
	GetApproved(tid TokenID) (std.Address, error)
	IsApprovedForAll(owner, operator std.Address) bool
}

type (
	TokenID  string
	TokenURI string
)

const (
	MintEvent           = "Mint"
	BurnEvent           = "Burn"
	TransferEvent       = "Transfer"
	ApprovalEvent       = "Approval"
	ApprovalForAllEvent = "ApprovalForAll"
)

type NFTGetter func() IGRC721