encodeInput

Encodes an input as an EvmAdvance call of the rollups contracts Inputs interface. This is the inverse of decodeInput, useful for testing.

Usage

import { encodeInput } from "@cartesi/codec";
 
const data = encodeInput({
  chainId: 1n,
  appContract: "0x0000000000000000000000000000000000000002",
  msgSender: "0x0000000000000000000000000000000000000003",
  blockNumber: 4n,
  blockTimestamp: 5n,
  prevRandao: 6n,
  index: 7n,
  payload: "0xdeadbeef",
});
// "0x415bf363000000...deadbeef00000..."

Parameters

An Input object, with field names and types inferred from the EvmAdvance ABI:

• chainId (bigint): chain id of the base layer.
• appContract (Address): address of the application contract.
• msgSender (Address): address of the input sender.
• blockNumber (bigint): base layer block number in which the input was added.
• blockTimestamp (bigint): base layer block timestamp (in seconds) in which the input was added.
• prevRandao (bigint): prevrandao value of the base layer block in which the input was added.
• index (bigint): index of the input in the application input box.
• payload (Hex | Uint8Array): application-specific payload of the input.

And an optional second parameter:

• to ("hex" | "bytes", optional): representation of the encoded data. Defaults to "hex".

Return Type

Hex | Uint8Array: ABI-encoded input data, starting with the EvmAdvance function selector (0x415bf363).

Returns a Hex string by default, or a Uint8Array when to is "bytes".