Attribute Macro contractimpl

#[contractimpl]

Exports the publicly accessible functions to the Soroban environment.

Functions that are publicly accessible in the implementation are invocable by other contracts, or directly by transactions, when deployed.

Examples

Define a contract with one function, hello, and call it from within a test using the generated client.

use soroban_sdk::{contract, contractimpl, vec, symbol_short, BytesN, Env, Symbol, Vec};

#[contract]
pub struct HelloContract;

#[contractimpl]
impl HelloContract {
    pub fn hello(env: Env, to: Symbol) -> Vec<Symbol> {
        vec![&env, symbol_short!("Hello"), to]
    }
}

#[test]
fn test() {
    let env = Env::default();
    let contract_id = env.register(HelloContract, ());
    let client = HelloContractClient::new(&env, &contract_id);

    let words = client.hello(&symbol_short!("Dev"));

    assert_eq!(words, vec![&env, symbol_short!("Hello"), symbol_short!("Dev"),]);
}