ERC721Portal
The ERC721Portal allows anyone to perform transfers of ERC-721 tokens to a dApp while informing the off-chain machine.
depositERC721Token()
function depositERC721Token(contract IERC721 _token, address _dapp, uint256 _tokenId, bytes _baseLayerData, bytes _execLayerData) external
Transfer an ERC-721 token to a dApp and add an input to the dApp's input box to signal such operation.
The caller must change the approved address for the ERC-721 token
to the portal address beforehand, by calling the approve function in the
token contract.
Parameters
| Name | Type | Description |
|---|---|---|
| _token | contract IERC721 | The ERC-721 token contract |
| _dapp | address | The address of the dApp |
| _tokenId | uint256 | The identifier of the token being transferred |
| _baseLayerData | bytes | Additional data to be interpreted by the base layer |
| _execLayerData | bytes | Additional data to be interpreted by the execution layer |