b3_utils 0.13.1

Utility functions for building on the Internet Computer
Documentation 
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#[cfg(test)]
mod test {
    use crate::{Environment, Subaccount};

    #[test]
    fn test_production_subaccount() {
        let subaccount = Subaccount::new(Environment::Production, 0);
        assert_eq!(
            subaccount.to_owned(),
            Subaccount([
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
            ])
        );

        let subaccount = Subaccount::new(Environment::Production, 0);
        assert_eq!(
            subaccount.to_owned(),
            Subaccount([
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
            ])
        );

        let subaccount = Subaccount::new(Environment::Production, 1);

        assert_eq!(subaccount.nonce(), 1);

        assert_eq!(
            subaccount.to_owned(),
            Subaccount([
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
            ])
        );

        assert_eq!(subaccount.to_hex(), "1");

        let subaccount = "001".parse::<Subaccount>().unwrap();

        assert_eq!(
            subaccount,
            Subaccount([
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
            ])
        );

        let subaccount = Subaccount::new(Environment::Production, 512);

        assert_eq!(
            subaccount.to_owned(),
            Subaccount([
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0
            ])
        )
    }

    #[test]
    fn test_development_subaccount() {
        let subaccount = Subaccount::new(Environment::Development, 0);
        assert_eq!(
            subaccount.to_owned(),
            Subaccount([
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 255, 0, 0, 0, 0, 0, 0, 0, 0
            ])
        );

        let subaccount = Subaccount::new(Environment::Development, 1);

        assert_eq!(
            subaccount.to_owned(),
            Subaccount([
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 255, 0, 0, 0, 0, 0, 0, 0, 1
            ])
        );

        assert_eq!(subaccount.to_hex(), "ff0000000000000001");

        let subaccount = Subaccount::from_hex(
            &"0000000000000000000000000000000000000000000000ff0000000000000001",
        )
        .expect("Failed to parse subaccount");

        assert_eq!(subaccount, Subaccount::new(Environment::Development, 1));
    }

    #[test]
    fn test_staging_subaccount() {
        let subaccount = Subaccount::new(Environment::Staging, 0);
        assert_eq!(
            subaccount.to_owned(),
            Subaccount([
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 170, 0, 0, 0, 0, 0, 0, 0, 0
            ])
        );

        let subaccount = Subaccount::new(Environment::Staging, 1);

        assert_eq!(
            subaccount.to_owned(),
            Subaccount([
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
                0, 0, 170, 0, 0, 0, 0, 0, 0, 0, 1
            ])
        );

        assert_eq!(subaccount.to_hex(), "aa0000000000000001");
    }
}