Log

Zink only supports static byte array for log arguments for now, see issue #129 for more details.

zink

//! Addition example.
#![no_std]

// for the panic handler.
#[cfg(not(test))]
extern crate zink;

use zink::Event;

/// A `Ping` event.
///
/// TODO: generate this with proc-macro.
struct Ping;

/// TODO: generate this with proc-macro.
impl Event for Ping {
    const NAME: &'static [u8] = b"Ping";
}

#[no_mangle]
pub extern "C" fn log1() {
    Ping.log1(b"pong");
}

63706f6e676350696e6760005260206000a15f5ff3

vyper

event Ping:
  name: String[4]
  topic1: String[4]

@external
def l():
  log Ping("Ping", "pong")

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solidity

// SPDX-License-Identifier: MIT
pragma solidity >=0.7.0 <0.9.0;

contract Test {
  event Ping(string name, string topic);

  function l() public {
    emit Ping("Ping", "pong");
  }
}

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