Lib.rs

Provides debug log which can be written to, but does not affect the host state.

The result of writing to the debug log is implementation specific - it may, for example, be written to a log file, or to stdout etc.

The debug_msg macro supports inline formatting:

extern crate alloc;
use mavryk_smart_rollup_debug::debug_msg;
use mavryk_smart_rollup_host::runtime::Runtime;

fn log_runtime(host: &impl Runtime) {
  debug_msg!(host, "Simple constant string");

  debug_msg!(host, "A format {} with argument {}", "test", 5);
}

In the simplest case, however, one can also write:

use mavryk_smart_rollup_host::runtime::Runtime;

fn log_simple(host: &impl Runtime) {
    host.write_debug("A simple constant string");
}

lib.rs:

Provides debug log which can be written to, but does not affect the host state.

The result of writing to the debug log is implementation specific - it may, for example, be written to a log file, or to stdout etc.