encodeEventSignature

Callable

• encodeEventSignature(functionName: string | AbiEventFragment): string

---

• Encodes the event name to its ABI signature, which are the sha3 hash of the event name including input types.

  @example

  const event = web3.eth.abi.encodeEventSignature({
    name: "myEvent",
    type: "event",
    inputs: [
      {
        type: "uint256",
        name: "myNumber",
      },
      {
        type: "bytes32",
        name: "myBytes",
      },
    ],
  });
  console.log(event);
  > 0xf2eeb729e636a8cb783be044acf6b7b1e2c5863735b60d6daae84c366ee87d97
  
   const event = web3.eth.abi.encodeEventSignature({
    inputs: [
      {
        indexed: true,
        name: "from",
        type: "address",
      },
      {
        indexed: true,
        name: "to",
        type: "address",
      },
      {
        indexed: false,
        name: "value",
        type: "uint256",
      },
    ],
    name: "Transfer",
    type: "event",
  });
  console.log(event);
  > 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef

  ---

  Parameters

  • functionName: string | AbiEventFragment

    The event name to encode, or the AbiEventFragment object of the event. If string, it has to be in the form of eventName(param1Type,param2Type,...). eg: myEvent(uint256,bytes32).

  Returns string

  • The ABI signature of the event.