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CurveVariant

tycho_simulation::evm::protocol::curve::adapter

Enum CurveVariant 

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pub enum CurveVariant {
    StableSwapV0,
    StableSwapV1,
    StableSwapV2,
    StableSwapSTETH,
    StableSwapALend,
    StableSwapNG,
    StableSwapMeta,
    TwoCryptoV1,
    TwoCryptoNG,
    TwoCryptoStable,
    TriCryptoV1,
    TriCryptoNG,
}
Expand description

All 11 Curve pool math variants.

Each variant uses a different on-chain smart contract implementation with different invariant math, fee formulas, and state layouts.

Variants§

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StableSwapV0

Earliest StableSwap (2020): sUSD, Compound, BUSD, y, USDT, Pax, Ren, sBTC. A_PRECISION=1, no -1 offset on dy.

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StableSwapV1

3pool era (2021): 3pool, hBTC. A_PRECISION=1, -1 offset on dy.

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StableSwapV2

Base/plain template: factory plain pools, FRAX/USDC. A_PRECISION=100, -1 offset, fee before denormalize.

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StableSwapSTETH

Lido stETH/ETH custom pool (0xDC24316b9AE028F1497c275EB9192a3Ea0f67022). Same shape as StableSwapV2, but get_D adds a +1 divisor guard.

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StableSwapALend

Aave lending template: aave, sAAVE, IB pools. A_PRECISION=100, dynamic fee via offpeg_fee_multiplier.

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StableSwapNG

StableSwap-NG factory pools. A_PRECISION=100, dynamic fee, supports oracle rates (ERC4626).

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StableSwapMeta

Meta pool template: pools paired with a base pool LP token (e.g. GUSD/3CRV). A_PRECISION=100, rates[1] = base pool virtual_price.

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TwoCryptoV1

Legacy 2-coin CryptoSwap (CRV/ETH era). Newton solver for y, inline math (no external MATH contract).

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TwoCryptoNG

TwoCrypto-NG factory pools with CryptoSwap math. Cardano cubic solver. MATH contract version v2.0.0 or v2.1.0.

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TwoCryptoStable

TwoCrypto-NG factory pools with StableSwap math. Newton solver, gamma parameter ignored. MATH contract version v0.1.0.

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TriCryptoV1

Legacy 3-coin CryptoSwap (tricrypto2: USDT/WBTC/WETH). Newton solver for y.

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TriCryptoNG

TriCrypto-NG factory pools. Hybrid cubic + Newton solver.

Implementations§

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impl CurveVariant

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pub fn as_str(&self) -> &'static str

Returns the variant name as used in curve-math’s Pool enum.

Trait Implementations§

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impl Clone for CurveVariant

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Copy for CurveVariant

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impl Debug for CurveVariant

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for CurveVariant

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Display for CurveVariant

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Eq for CurveVariant

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impl FromStr for CurveVariant

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type Err = String

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more
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impl Hash for CurveVariant

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for CurveVariant

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fn eq(&self, other: &Self) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl Serialize for CurveVariant

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for CurveVariant

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