Examples of a script program type in Sway
| Predicates | Scripts | |
|---|---|---|
| Access data on chain | ❌ | ✅ |
| Read data from smart contracts | ❌ | ✅ |
| Check date or time | ❌ | ✅ |
| Read block hash or number | ❌ | ✅ |
| Read input coins | ✅ | ✅ |
| Read output coins | ✅ | ✅ |
| Read transaction scripts | ✅ | ✅ |
| Read transaction bytecode | ✅ | ✅ |
script;
abi ContractA {
fn test_func(x: u64) -> Identity;
}
const CONTRACTA_ID = 0x79fa8779bed2f36c3581d01c79df8da45eee09fac1fd76a5a656e16326317ef0;
fn main(a: u64) {
let c = abi(ContractA, CONTRACTA_ID);
// Call a contract multiple times
log(c.test_func(a));
log(c.test_func(a + 32));
}