Gives permission to to to transfer tokenId token to another account.
The approval is cleared when the token is transferred.
Only a single account can be approved at a time, so approving the zero address clears previous approvals.
Requirements:
tokenId must exist.Emits an {Approval} event.
Returns the number of tokens in owner's account.
Returns the account approved for tokenId token.
Requirements:
tokenId must exist.Returns if the operator is allowed to manage all of the assets of owner.
Returns the token collection name.
Returns the owner of the tokenId token.
Requirements:
tokenId must exist.Safely transfers tokenId token from from to to, checking first that contract recipients
are aware of the ERC721 protocol to prevent tokens from being forever locked.
Requirements:
from cannot be the zero address.to cannot be the zero address.tokenId token must exist and be owned by from.from, it must be have been allowed to move this token by either approve or setApprovalForAll.to refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.Emits a {Transfer} event.
Safely transfers tokenId token from from to to.
Requirements:
from cannot be the zero address.to cannot be the zero address.tokenId token must exist and be owned by from.from, it must be approved to move this token by either approve or setApprovalForAll.to refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.Emits a {Transfer} event.
Approve or remove operator as an operator for the caller.
Operators can call transferFrom or safeTransferFrom for any token owned by the caller.
Requirements:
operator cannot be the caller.Emits an {ApprovalForAll} event.
Returns true if this contract implements the interface defined by
interfaceId. See the corresponding
https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
to learn more about how these ids are created.
This function call must use less than 30 000 gas. Defined in EIP181.
The MNS node to query.
if the interface is supported
Returns the token collection symbol.
Returns a token ID at a given index of all the tokens stored by the contract.
Use along with totalSupply to enumerate all tokens.
Returns a token ID owned by owner at a given index of its token list.
Use along with balanceOf to enumerate all of owner's tokens.
Returns the Uniform Resource Identifier (URI) for tokenId token.
Returns the total amount of tokens stored by the contract.
Transfers tokenId token from from to to.
WARNING: Usage of this method is discouraged, use safeTransferFrom whenever possible.
Requirements:
from cannot be the zero address.to cannot be the zero address.tokenId token must be owned by from.from, it must be approved to move this token by either approve or setApprovalForAll.Emits a {Transfer} event.
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Interface that represents a smart contract, which implements EIP721Enumerable