putils 0.1.1-rc1

Utilities for writing Solana programs with the pinocchio framework
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

//! Anchor-esque account and instruction discriminator

/// The AccountDiscriminator trait is used to uniquely identify accounts
pub trait AccountDiscriminator {
    const DISCRIMINATOR: u8;
}

/// The InstructionDiscriminator trait is used to uniquely identify instructions
pub trait InstructionDiscriminator {
    fn discriminator(&self) -> u8;
}

#[cfg(test)]
mod test {
    use super::*;

    pub struct FooBar {}

    impl AccountDiscriminator for FooBar {
        const DISCRIMINATOR: u8 = 1;
    }

    impl InstructionDiscriminator for FooBar {
        fn discriminator(&self) -> u8 {
            69
        }
    }

    #[test]
    fn test_discriminator() {
        assert_eq!(1, FooBar::DISCRIMINATOR);
        assert_eq!(69, FooBar {}.discriminator());
    }
}