240 lines
12 KiB
Solidity
240 lines
12 KiB
Solidity
// SPDX-License-Identifier: CC0-1.0
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pragma solidity ^0.8.16;
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import {IERC1155} from "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
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import {IERC1155BindableErrors} from "./IERC1155BindableErrors.sol";
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/// @title ERC-1155 Bindable Token Standard
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/// @dev See https://eips.ethereum.org/EIPS/eip-5656
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/// Note: the ERC-165 identifier for this interface is 0xd0d555c6.
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interface IERC1155Bindable is IERC1155, IERC1155BindableErrors {
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/// @notice The `Bind` event MUST emit when token ownership is delegated
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/// through an asset and when minting tokens bound to an existing asset.
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/// @dev When minting bound tokens, `from` MUST be set to the zero address.
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/// @param operator The address calling the bind (SHOULD be `msg.sender`).
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/// @param from The address which owns the unbound token(s).
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/// @param to The address which owns the asset being bound to.
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/// @param tokenId The identifier of the token type being bound.
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/// @param amount The number of tokens of type `tokenId` being bound.
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/// @param bindId The identifier of the asset being bound to.
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/// @param bindAddress The contract address handling asset ownership.
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event Bind(
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address indexed operator,
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address indexed from,
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address to,
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uint256 tokenId,
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uint256 amount,
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uint256 bindId,
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address indexed bindAddress
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);
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/// @notice The `BindBatch` event MUST emit when token ownership of
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/// different token types are delegated through different assets at once
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/// and when minting multiple token types bound to existing assets at once.
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/// @dev When minting bound tokens, `from` MUST be set to the zero address.
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/// @param operator The address calling the bind (SHOULD be `msg.sender`).
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/// @param from The address which owns the unbound token(s).
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/// @param to The address which owns the asset being bound to.
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/// @param tokenIds The identifiers of the token types being bound.
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/// @param amounts The number of tokens for each token type being bound.
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/// @param bindIds The identifiers of the assets being bound to.
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/// @param bindAddress The contract address handling asset ownership.
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event BindBatch(
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address indexed operator,
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address indexed from,
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address to,
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uint256[] tokenIds,
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uint256[] amounts,
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uint256[] bindIds,
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address indexed bindAddress
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);
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/// @notice The `Unbind` event MUST emit when asset-delegated token
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/// ownership is revoked and when burning tokens bound to existing assets.
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/// @dev When burning bound tokens, `to` MUST be set to the zero address.
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/// @param operator The address calling the unbind (SHOULD be `msg.sender`).
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/// @param from The address which owns the asset the token(s) are bound to.
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/// @param to The address which will own the token(s) once unbound.
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/// @param tokenId The identifier of the token type being unbound.
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/// @param amount The number of tokens of type `tokenId` being unbound.
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/// @param bindId The identifier of the asset being unbound from.
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/// @param bindAddress The contract address handling bound asset ownership.
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event Unbind(
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address indexed operator,
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address indexed from,
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address to,
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uint256 tokenId,
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uint256 amount,
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uint256 bindId,
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address indexed bindAddress
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);
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/// @notice The `UnbindBatch` event MUST emit when asset-delegated token
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/// ownership is revoked for multiple token types at once and when burning
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/// multiple token types bound to existing assets at once.
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/// @dev When burning bound tokens, `to` MUST be set to the zero address.
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/// @param operator The address calling the unbind (SHOULD be `msg.sender`).
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/// @param from The address which owns the asset the token(s) are bound to.
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/// @param to The address which will own the token(s) once unbound.
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/// @param tokenIds The identifiers of the token types being unbound.
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/// @param amounts The number of tokens for each token type being unbound.
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/// @param bindIds The identifier of the assets being unbound from.
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/// @param bindAddress The contract address handling bound asset ownership.
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event UnbindBatch(
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address indexed operator,
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address indexed from,
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address to,
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uint256[] tokenIds,
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uint256[] amounts,
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uint256[] bindIds,
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address indexed bindAddress
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);
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/// @notice Delegates ownership of `amount` tokens of type `tokenId` from
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/// address `from` through asset `bindId` owned by address `to`.
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/// @dev The function MUST throw unless `msg.sender` is an approved operator
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/// for `from`. The function also MUST throw if `from` owns fewer than
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/// `amount` unbound tokens, or if `to` is not the asset owner. After
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/// delegation of ownership, the function MUST check if `bindAddress` is a
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/// valid contract (code size > 0), and if so, call `onERC1155Bind` on the
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/// contract, throwing if the wrong identifier is returned (see "Binding
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/// Rules") or if the contract is invalid. On bind completion, the function
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/// MUST emit both `Bind` and IERC-1155 `TransferSingle` events to reflect
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/// delegated ownership change.
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/// @param from The address which owns the unbound token(s).
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/// @param to The address which owns the asset being bound to.
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/// @param tokenId The identifier of the token type being bound.
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/// @param amount The number of tokens of type `tokenId` being bound.
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/// @param bindId The identifier of the asset being bound to.
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/// @param bindAddress The contract address handling asset ownership.
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/// @param data Additional data sent with the `onERC1155Bind` hook.
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function bind(
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address from,
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address to,
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uint256 tokenId,
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uint256 amount,
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uint256 bindId,
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address bindAddress,
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bytes calldata data
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) external;
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/// @notice Delegates ownership of `amounts` tokens of types `tokenIds` from
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/// address `from` through assets `bindIds` owned by address `to`.
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/// @dev The function MUST throw unless `msg.sender` is an approved operator
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/// for `from`. The function also MUST throw if length of `amounts` is not
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/// the same as `tokenIds` or `bindIds`, if any unbound balances of
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/// `tokenIds` for `from` is less than that of `amounts`, or if `to` is not
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/// the asset owner. After delegating ownership, the function MUST check if
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/// `bindAddress` is a valid contract (code size > 0), and if so, call
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/// `onERC1155BatchBind` on the contract, throwing if the wrong identifier
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/// is returned (see "Binding Rules") or if the contract is invalid. On
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/// bind completion, the function MUST emit both `BindBatch` and IERC-1155
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/// `TransferBatch` events to reflect delegated ownership changes.
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/// @param from The address which owns the unbound tokens.
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/// @param to The address which owns the assets being bound to.
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/// @param tokenIds The identifiers of the token types being bound.
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/// @param amounts The number of tokens for each token type being bound.
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/// @param bindIds The identifiers of the assets being bound to.
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/// @param bindAddress The contract address handling asset ownership.
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/// @param data Additional data sent with the `onERC1155BatchBind` hook.
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function batchBind(
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address from,
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address to,
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uint256[] calldata tokenIds,
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uint256[] calldata amounts,
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uint256[] calldata bindIds,
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address bindAddress,
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bytes calldata data
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) external;
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/// @notice Revokes delegated ownership of `amount` tokens of type `tokenId`
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/// owned by `from` bound to `bindId`, binding direct ownership to `to`.
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/// @dev The function MUST throw unless `msg.sender` is an approved operator
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/// or owner of the delegated asset `tokenId` is bound to. It also MUST
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/// throw if `from` owns fewer than `amount` bound tokens, or if `to` is
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/// the zero address. Once delegated ownership is revoked, the function
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/// MUST check if `bindAddress` is a valid contract (code size > 0), and if
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/// so, call `onERC1155Unbind` on the contract, throwing if the wrong
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/// identifier is returned (see "Binding Rules") or if the contract is
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/// invalid. The function also MUST check if `to` is a contract, and if so,
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/// call on it `onERC1155Received`, throwing if the wrong identifier is
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/// returned. On unbind completion, the function MUST emit both `Unbind`
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/// and IERC-1155 `TransferSingle` events to reflect delegated ownership change.
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/// @param from The address which owns the asset the token(s) are bound to.
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/// @param to The address which will own the tokens once unbound.
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/// @param tokenId The identifier of the token type being unbound.
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/// @param amount The number of tokens of type `tokenId` being unbound.
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/// @param bindId The identifier of the asset being unbound from.
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/// @param bindAddress The contract address handling bound asset ownership.
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/// @param data Additional data sent with the `onERC1155Unbind` hook.
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function unbind(
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address from,
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address to,
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uint256 tokenId,
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uint256 amount,
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uint256 bindId,
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address bindAddress,
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bytes calldata data
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) external;
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/// @notice Revokes delegated ownership of `amounts` tokens of `tokenIds`
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/// bound to assets `bindIds`, binding direct ownership to `to`.
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/// @dev The function MUST throw unless `msg.sender` is an approved operator
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/// or owner of all delegated assets `tokenIds` are bound to. It also MUST
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/// throw if the length of `amounts` is not the same as `tokenIds` or
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/// `bindIds`, if any bound balances of `tokenId` for `from` is less than
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/// that of `amounts`, or if `to` is the zero address. Once delegated
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/// ownership is revoked, the function MUST check if `bindAddress` is a
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/// valid contract (code size > 0), and if so, call onERC1155BatchUnbind`
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/// on it, throwing if a wrong identifier is returned (see "Binding Rules")
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/// or if the contract is invalid. The function also MUST check if `to` is
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/// a valid contract, and if so, call `onERC1155BatchReceived`, throwing if
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/// the wrong identifier is returned. On unbind completion, the function
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/// MUST emit the `BatchUnbind` and IERC-1155 `TransferBatch` events to
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/// reflect delegated ownership changes.
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/// @param from The address which owns the asset the tokens are bound to.
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/// @param to The address which will own the tokens once unbound.
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/// @param tokenIds The identifiers of the token types being unbound.
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/// @param amounts The number of tokens for each token type being unbound.
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/// @param bindIds The identifier of the assets being unbound from.
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/// @param bindAddress The contract address handling bound asset ownership.
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/// @param data Additional data sent with the `onERC1155BatchUnbind` hook.
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function batchUnbind(
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address from,
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address to,
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uint256[] calldata tokenIds,
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uint256[] calldata amounts,
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uint256[] calldata bindIds,
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address bindAddress,
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bytes calldata data
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) external;
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/// @notice Gets the balance of bound tokens of type `tokenId` bound to the
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/// asset `bindId` at address `bindAddress`.
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/// @param bindId The identifier of the bound asset.
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/// @param bindAddress The contract address handling bound asset ownership.
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/// @param tokenId The identifier of the bound token type being counted.
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/// @return The total number of NFTs bound to the asset.
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function boundBalanceOf(
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address bindAddress,
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uint256 bindId,
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uint256 tokenId
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) external returns (uint256);
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/// @notice Gets the balance of bound tokens for multiple token types given
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/// by `tokenIds` bound to assets `bindIds` at address `bindAddress`.
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/// @notice Retrieves bound balances of multiple asset / token type pairs.
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/// @param bindIds List of bound asset identifiers.
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/// @param bindAddress The contract address handling bound asset ownership.
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/// @param tokenIds The identifiers of the token type being counted.
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/// @return balances The bound balances for each asset / token type pair.
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function boundBalanceOfBatch(
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address bindAddress,
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uint256[] calldata bindIds,
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uint256[] calldata tokenIds
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) external returns (uint256[] memory balances);
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}
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