IERC6093

IERC20Errors

Git Source

Standard ERC-20 Errors Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.

Errors

ERC20InsufficientBalance

Indicates an error related to the current balance of a sender. Used in transfers.

error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);

Parameters

Name	Type	Description
sender	address	Address whose tokens are being transferred.
balance	uint256	Current balance for the interacting account.
needed	uint256	Minimum amount required to perform a transfer.

ERC20InvalidSender

Indicates a failure with the token sender. Used in transfers.

error ERC20InvalidSender(address sender);

Parameters

Name	Type	Description
sender	address	Address whose tokens are being transferred.

ERC20InvalidReceiver

Indicates a failure with the token receiver. Used in transfers.

error ERC20InvalidReceiver(address receiver);

Parameters

Name	Type	Description
receiver	address	Address to which tokens are being transferred.

ERC20InsufficientAllowance

Indicates a failure with the spender’s allowance. Used in transfers.

error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);

Parameters

Name	Type	Description
spender	address	Address that may be allowed to operate on tokens without being their owner.
allowance	uint256	Amount of tokens a spender is allowed to operate with.
needed	uint256	Minimum amount required to perform a transfer.

ERC20InvalidApprover

Indicates a failure with the approver of a token to be approved. Used in approvals.

error ERC20InvalidApprover(address approver);

Parameters

Name	Type	Description
approver	address	Address initiating an approval operation.

ERC20InvalidSpender

Indicates a failure with the spender to be approved. Used in approvals.

error ERC20InvalidSpender(address spender);

Parameters

Name	Type	Description
spender	address	Address that may be allowed to operate on tokens without being their owner.

IERC721Errors

Git Source

Standard ERC-721 Errors Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.

Errors

ERC721InvalidOwner

Indicates that an address can't be an owner. For example, address(0) is a forbidden owner in ERC-20. Used in balance queries.

error ERC721InvalidOwner(address owner);

Parameters

Name	Type	Description
owner	address	Address of the current owner of a token.

ERC721NonexistentToken

Indicates a tokenId whose owner is the zero address.

error ERC721NonexistentToken(uint256 tokenId);

Parameters

Name	Type	Description
tokenId	uint256	Identifier number of a token.

ERC721IncorrectOwner

Indicates an error related to the ownership over a particular token. Used in transfers.

error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);

Parameters

Name	Type	Description
sender	address	Address whose tokens are being transferred.
tokenId	uint256	Identifier number of a token.
owner	address	Address of the current owner of a token.

ERC721InvalidSender

Indicates a failure with the token sender. Used in transfers.

error ERC721InvalidSender(address sender);

Parameters

Name	Type	Description
sender	address	Address whose tokens are being transferred.

ERC721InvalidReceiver

Indicates a failure with the token receiver. Used in transfers.

error ERC721InvalidReceiver(address receiver);

Parameters

Name	Type	Description
receiver	address	Address to which tokens are being transferred.

ERC721InsufficientApproval

Indicates a failure with the operator’s approval. Used in transfers.

error ERC721InsufficientApproval(address operator, uint256 tokenId);

Parameters

Name	Type	Description
operator	address	Address that may be allowed to operate on tokens without being their owner.
tokenId	uint256	Identifier number of a token.

ERC721InvalidApprover

Indicates a failure with the approver of a token to be approved. Used in approvals.

error ERC721InvalidApprover(address approver);

Parameters

Name	Type	Description
approver	address	Address initiating an approval operation.

ERC721InvalidOperator

Indicates a failure with the operator to be approved. Used in approvals.

error ERC721InvalidOperator(address operator);

Parameters

Name	Type	Description
operator	address	Address that may be allowed to operate on tokens without being their owner.

IERC1155Errors

Git Source

Standard ERC-1155 Errors Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.

Errors

ERC1155InsufficientBalance

Indicates an error related to the current balance of a sender. Used in transfers.

error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);

Parameters

Name	Type	Description
sender	address	Address whose tokens are being transferred.
balance	uint256	Current balance for the interacting account.
needed	uint256	Minimum amount required to perform a transfer.
tokenId	uint256	Identifier number of a token.

ERC1155InvalidSender

Indicates a failure with the token sender. Used in transfers.

error ERC1155InvalidSender(address sender);

Parameters

Name	Type	Description
sender	address	Address whose tokens are being transferred.

ERC1155InvalidReceiver

Indicates a failure with the token receiver. Used in transfers.

error ERC1155InvalidReceiver(address receiver);

Parameters

Name	Type	Description
receiver	address	Address to which tokens are being transferred.

ERC1155MissingApprovalForAll

Indicates a failure with the operator’s approval. Used in transfers.

error ERC1155MissingApprovalForAll(address operator, address owner);

Parameters

Name	Type	Description
operator	address	Address that may be allowed to operate on tokens without being their owner.
owner	address	Address of the current owner of a token.

ERC1155InvalidApprover

Indicates a failure with the approver of a token to be approved. Used in approvals.

error ERC1155InvalidApprover(address approver);

Parameters

Name	Type	Description
approver	address	Address initiating an approval operation.

ERC1155InvalidOperator

Indicates a failure with the operator to be approved. Used in approvals.

error ERC1155InvalidOperator(address operator);

Parameters

Name	Type	Description
operator	address	Address that may be allowed to operate on tokens without being their owner.

ERC1155InvalidArrayLength

Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation. Used in batch transfers.

error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);

Parameters

Name	Type	Description
idsLength	uint256	Length of the array of token identifiers
valuesLength	uint256	Length of the array of token amounts