hooks-rs 0.2.0

Hooks in Rust for Xahau
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//! A hook that accepts any transaction coming through it

#![no_std]
#![no_main]
use core::ops::Neg;

use hooks_rs::*;

#[no_mangle]
pub extern "C" fn cbak(_: u32) -> i64 {
    0
}

// TODO: more test cases
#[no_mangle]
pub extern "C" fn hook(_: u32) -> i64 {
    max_iter(1);
    // mulratio
    if XFL::one().mulratio(false, 1, 2).unwrap_line_number()
        != XFL::one().mulratio(false, 5, 10).unwrap_line_number()
    {
        rollback(b"", line!().into());
    }
    let decimal_10 = XFL::new(-14, 1000000000000000).unwrap_line_number();
    if XFL::one().mulratio(false, 10, 1).unwrap_line_number() != decimal_10 {
        rollback(b"", line!().into());
    };

    // new
    let plus_1000 = XFL::new(-12, 1000000000000000).unwrap_line_number();
    let plus_999 = XFL::new(-13, 9990000000000000).unwrap_line_number();
    let plus_998 = XFL::new(-13, 9980000000000000).unwrap_line_number();
    let minus_1000 = (-plus_1000).unwrap_line_number();
    let minus_999 = (-plus_999).unwrap_line_number();
    let minus_998 = (-plus_998).unwrap_line_number();

    // PartialOrd
    if minus_1000 > minus_999 {
        rollback(b"", line!().into());
    }
    if minus_999 > minus_998 {
        rollback(b"", line!().into());
    }
    if minus_1000 > minus_998 {
        rollback(b"", line!().into());
    }
    if plus_1000 <= plus_999 {
        rollback(b"", line!().into());
    }
    if plus_999 <= plus_998 {
        rollback(b"", line!().into());
    }
    if plus_1000 <= plus_998 {
        rollback(b"", line!().into());
    }

    // exponent & mantissa
    if minus_1000.exponent() != -12 {
        rollback(b"", line!().into());
    }
    if minus_1000.mantissa() != 1000000000000000 {
        rollback(b"", line!().into());
    }
    if minus_999.exponent() != -13 {
        rollback(b"", line!().into());
    }
    if minus_999.mantissa() != 9990000000000000 {
        rollback(b"", line!().into());
    }
    if minus_998.exponent() != -13 {
        rollback(b"", line!().into());
    }
    if minus_998.mantissa() != 9980000000000000 {
        rollback(b"", line!().into());
    }

    // to_int64
    // 3.14
    let approx_pi = XFL::new(-15, 3140000000000000).unwrap_line_number();

    if 3 != approx_pi.to_int64(0, false).unwrap_line_number() {
        rollback(b"", line!().into());
    }

    // negation
    // 1.220111606619773e+32
    let a = XFL::new(17, 1220111606619773).unwrap_line_number();
    let expected_negated_enclosing: i64 = 2054861541687565949;
    if (-a).unwrap_line_number().0 != expected_negated_enclosing {
        rollback(b"", line!().into());
    }

    // multiplication
    // 3.845483684710632e-29
    let a = XFL::new(-44, 3845483684710632).unwrap_line_number();
    // 3.604275125235076e-32
    let b = XFL::new(-47, 3604275125235076).unwrap_line_number();
    // 1.386018118929985e-60
    let expected_multiplication_enclosing = 5009388803754921537;
    if (a * b).unwrap_line_number().0 != expected_multiplication_enclosing {
        rollback(b"", line!().into());
    }

    // division
    // -0.0991285223666045
    let a = XFL::new(-17, 9912852236660450)
        .unwrap_line_number()
        .neg()
        .unwrap_line_number();
    // 1.663822854409434e+29
    let b = XFL::new(14, 1663822854409434).unwrap_line_number();
    // TODO: is this right?
    // -5.957877192508581e-31
    let expected_division_result = XFL::new(-46, 5957877192508581)
        .unwrap_line_number()
        .neg()
        .unwrap_line_number();
    if (a / b).unwrap_line_number() != expected_division_result {
        rollback(b"", line!().into());
    }

    // addition
    // 123123123123123
    let a = XFL::new(-1, 1231231231231230).unwrap_line_number();
    // 55555555
    let b = XFL::new(-8, 5555555500000000).unwrap_line_number();
    // 123123178678678
    let expected_addition_enclosing = 6342299507124445148;
    if (a + b).unwrap_line_number().0 != expected_addition_enclosing {
        rollback(b"", line!().into());
    }

    // root
    let four = XFL::new(0, 4).unwrap_line_number();
    let hundred = XFL::new(0, 100).unwrap_line_number();

    let two = XFL::new(0, 2).unwrap_line_number();
    let ten = XFL::new(0, 10).unwrap_line_number();

    if four.root(2).unwrap_line_number() != two {
        rollback(b"four.root(2)", line!().into());
    }
    if hundred.root(2).unwrap_line_number() != ten {
        rollback(b"hundred.root(2)", line!().into());
    }

    // log (base 10)
    if ten.log().unwrap_line_number() != XFL::one() {
        rollback(b"two.log()", line!().into());
    }

    let thousand = XFL::new(0, 1000).unwrap_line_number();

    if thousand.log().unwrap_line_number() != XFL::new(0, 3).unwrap_line_number() {
        rollback(b"thousand.log()", line!().into());
    }

    // Accept all
    accept(b"", 0);
}