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Sending inputs ​

Applications receive inputs by sending transactions with the input payload to the InputBox smart contracts of the Cartesi rollups framework. To facilitate this process, we provide a CLI command to send inputs to a running application. The command below will guide you through an interactive process:

shell
sunodo send
sunodo send

To be more specific, there are 5 types of inputs you can send using a sub-command: dapp-address, erc20, erc721, ether, generic. These are detailed below:

DApp Address ​

This input is useful for applications that need to know its own address. The input payload is simply the address of the application and the sender is the DAppAddressRelay smart contract.

shell
sunodo send dapp-address
sunodo send dapp-address

ERC-20 Deposit ​

This input deposits ERC-20 tokens to the application. Refer to the ERC20Portal documentation to understand the input payload format and how to decode it.

shell
sunodo send erc20
sunodo send erc20

ERC-721 Deposit ​

This input deposits ERC-721 tokens (NFT) to the application. Refer to the ERC721Portal documentation to understand the input payload format and how to decode it.

shell
sunodo send erc721
sunodo send erc721

Ether Deposit ​

This input deposits Ether (native token) to the application. Refer to the EtherPortal documentation to understand the input payload format and how to decode it.

shell
sunodo send ether
sunodo send ether

Generic Input ​

The input types above are specialized inputs with a pre-defined payload format and a trusted sender (a smart contract), but they all send inputs to the InputBox. The generic input allows you to send inputs with any payload format.

shell
sunodo send generic
sunodo send generic

The encoding of the payload, from what you specify in the CLI to the raw bytes the InputBox expects, can be specified with the --input-encoding option. We currently support the following encodings:

  • hex: the user input is parsed as a hex-string and converted to bytes.
  • string: the user input is converted from a utf-8 string to bytes
  • abi: allows the user to specify an abi encoded input format in a human-readable format, i.e. address token,uint256 tokenId, and the input values decoded accordinly, as from the input 0x491604c0FDF08347Dd1fa4Ee062a822A5DD06B5D,100000 in this particular example.