truthlinked-sdk-macros

Procedural macros used by truthlinked-sdk. Publish this crate before truthlinked-sdk.

What’s included

• #[derive(Event)] with #[topic], #[event(name = \"...\")], #[event(anonymous)], #[event(skip)], #[event(type = \"...\")]
• #[derive(Manifest)] to declare storage access (read/write/commutative slots, map/vec/blob helpers)
• #[derive(BytesCodec)] / #[derive(Codec32)] for deterministic encoding
• #[error_code] to declare numeric error codes
• #[require] to enforce preconditions with custom errors

Example

use truthlinked_sdk::prelude::*;

#[derive(Event)]
#[event(name = "Transfer")]
struct Transfer {
    #[topic] from: [u8; 32],
    #[topic] to: [u8; 32],
    amount: u128,
}

#[derive(Manifest)]
#[manifest(
    read_derived(namespace = "demo.token", key = "balance"),
    write_derived(namespace = "demo.token", key = "balance")
)]
struct TokenManifest;

#[error_code(base = 10_000)]
#[derive(Clone, Copy)]
enum Error {
    ZeroAmount = 1,
}

#[require(amount > 0, Error::ZeroAmount)]
fn transfer(amount: u128) -> Result<()> {
    // contract logic...
    Ok(())
}

License

MIT