evm-dex-pool 1.2.2

Reusable EVM DEX pool implementations (UniswapV2, UniswapV3, ERC4626) with traits and math
Documentation 
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use alloy::primitives::{address, uint, Address, U160, U256};

pub(crate) const ONE: U160 = uint!(1_U160);
pub(crate) const TWO: U256 = uint!(2_U256);
pub(crate) const THREE: U256 = uint!(3_U256);
pub const Q96: U256 = U256::from_limbs([0, 1 << 32, 0, 0]);
pub const Q128: U256 = U256::from_limbs([0, 0, 1, 0]);
pub const Q192: U256 = U256::from_limbs([0, 0, 0, 1]);

/// Convert a tick to its corresponding word index in the tick bitmap
pub fn tick_to_word(tick: i32, tick_spacing: i32) -> i32 {
    let compressed = tick / tick_spacing;
    let compressed = if tick < 0 && tick % tick_spacing != 0 {
        compressed - 1
    } else {
        compressed
    };
    compressed >> 8
}

/// Convert a word index back to the tick range it represents
pub fn word_to_tick_range(word: i32, tick_spacing: i32) -> (i32, i32) {
    let min_tick = (word << 8) * tick_spacing;
    let max_tick = ((word + 1) << 8) * tick_spacing - 1;
    (min_tick, max_tick)
}

// Factory/quoter
pub const RAMSES_FACTORIES: &[(Address, Address)] = &[(
    address!("0xAAA32926fcE6bE95ea2c51cB4Fcb60836D320C42"),
    address!("0xAAAbFD1E45Cc93d16c2751645e50F2594bE12680"),
)];

pub fn is_ramses_factory(factory: Address) -> bool {
    RAMSES_FACTORIES.iter().any(|(f, _)| *f == factory)
}

pub fn get_ramses_quoter(factory: Address) -> Option<Address> {
    RAMSES_FACTORIES
        .iter()
        .find(|(f, _)| *f == factory)
        .map(|(_, q)| *q)
}