Developer

Contract status:

  • Aptos: public

    • address: 0xc7ea756470f72ae761b7986e4ed6fd409aad183b1b2d3d2f674d979852f45c4b

  • Solana: alpha stage

    • V2 address: EaBNtqenvVqpMoXAjYH6H91jLfVSiygczCCDDufwoVop

    • V3 address: BYxcSnZ1HEPGHaQ9RNaoGmzdzDBRWWnp9W553vjM7PGP

  • EVMs: private. Please talk to us for testing

TypeScript SDKs

You can find our npm package for quoting:

Pool Versions

On Aptos, we have 3 active pool versions:

  • V1: a variant of PieceSwap primarily dedicated to stablecoin pairs

  • V2: a proactively priced variant of constant-product, with separate X-LP token and Y-LP token

  • V3: an improvement over V2 with unified LP token

On Solana, we have 2 active pool versions:

  • V2

  • V3

Aptos Contract

Our Aptos contracts can be viewed here, under address:

0xc7ea756470f72ae761b7986e4ed6fd409aad183b1b2d3d2f674d979852f45c4b

There are several ways to integrate with our Aptos contract

  • invoke entry functions under the router module

  • invoke the entry functions under the modules for the corresponding pool versions

  • invoke the public functions under the modules for the corresponding pool versions

Router entry function invocation

    const POOL_TYPE_PIECEWISE:u8 = 3;  // V1 type
    const POOL_TYPE_SS2:u8 = 4;        // V2 type
    const POOL_TYPE_SS3_ABEL:u8 = 6;   // V3 type
    
    /*
    Execute 1 swap action
    Swaps X to Y
    so X,Y,Z are arranged in swap order, not pool order
    */
    public entry fun one_step_route_script<X, Y>(
        sender: &signer,
        first_pool_type: u8,
        first_is_x_to_y: bool, // whether first trade uses normal order
        x_in: u64,
        y_min_out: u64,
    ) {}
    
    /*
    Execute 2 swap actions back-to-back.
    Swaps X to Y to Z
    so X,Y,Z are arranged in swap order, not pool order
    */
    public entry fun two_step_route_script<X, Y, Z>(
        sender: &signer,
        first_pool_type: u8,
        first_is_x_to_y: bool, // whether first trade uses normal order
        second_pool_type: u8,
        second_is_x_to_y: bool, // whether second trade uses normal order
        x_in: u64,
        z_min_out: u64,
    ) {}
    
    /*
    Execute 3 swap actions back-to-back.
    Swaps X to Y to Z to A
    so X,Y,Z are arranged in swap order, not pool order
    */
    public entry fun three_step_route_script<X, Y, Z, A>(
        sender: &signer,
        first_pool_type: u8,
        first_is_x_to_y: bool, // whether first trade uses normal order
        second_pool_type: u8,
        second_is_x_to_y: bool, // whehter second trade uses normal order
        third_pool_type: u8,
        third_is_x_to_y: bool, // whether third trade uses normal order
        x_in: u64,
        a_min_out: u64,
    ) {}

Module entry function invocation

For V1, under the piece_swap_script module

public entry fun swap_script<X, Y>(
    sender: &signer,
    x_in: u64,
    y_in: u64,
    x_min_out: u64,
    y_min_out: u64,
) {
    assert!(!(x_in > 0 && y_in > 0), E_SWAP_ONLY_ONE_IN_ALLOWED);
    assert!(!(x_min_out > 0 && y_min_out > 0), E_SWAP_ONLY_ONE_OUT_ALLOWED);
    // X to Y
    if (x_in > 0) {
        let y_out = piece_swap::swap_x_to_y<X, Y>(sender, x_in);
        assert!(y_out >= y_min_out, E_OUTPUT_LESS_THAN_MIN);
    }
    else if (y_in > 0) {
        let x_out = piece_swap::swap_y_to_x<X, Y>(sender, y_in);
        assert!(x_out >= x_min_out, E_OUTPUT_LESS_THAN_MIN);
    }
    else {
        assert!(false, E_SWAP_NONZERO_INPUT_REQUIRED);
    }
}

For V2, under the ssswapScript2 module

public entry fun swap_x_to_y<X, Y>(user: &signer, amount: u64, min_out: u64) {
    let input_x = coin::withdraw<X>(user, amount);
    let output_y = ssswap2::swap_x_to_y<X, Y>(input_x);
    assert!(coin::value(&output_y) >= min_out, ERR_OUTPUT_NOT_ENOUGH);
    check_and_deposit(user, output_y);
}

public entry fun swap_y_to_x<X, Y>(user: &signer, amount: u64, min_out: u64) {
    let input_y = coin::withdraw<Y>(user, amount);
    let output_x = ssswap2::swap_y_to_x<X, Y>(input_y);
    assert!(coin::value(&output_x) >= min_out, ERR_OUTPUT_NOT_ENOUGH);
    check_and_deposit(user, output_x);
}

For V3, under the ss3swapAbelScript module

public entry fun swap_x_to_y<X, Y>(user: &signer, amount: u64, min_out: u64){
    let input_x = coin::withdraw<X>(user, amount);
    let output_y = ss3swapAbel::swap_x_to_y<X, Y>(input_x);
    assert!(coin::value(&output_y) >= min_out, ERR_OUTPUT_NOT_ENOUGH);
    check_and_deposit(user, output_y);
}

public entry fun swap_y_to_x<X, Y>(user: &signer, amount: u64, min_out: u64){
    let input_y = coin::withdraw<Y>(user, amount);
    let output_x = ss3swapAbel::swap_y_to_x<X, Y>(input_y);
    assert!(coin::value(&output_x) >= min_out, ERR_OUTPUT_NOT_ENOUGH);
    check_and_deposit(user, output_x);
}

Module direct invocation

For V1, under the piece_swap module

public fun swap_x_to_y_direct<X, Y>(coin_x: coin::Coin<X>): coin::Coin<Y> {}
public fun swap_y_to_x_direct<X, Y>(coin_y: coin::Coin<Y>): coin::Coin<X> {}

For V2, under the ssswap2 module

public fun swap_x_to_y<X, Y>(input_x: coin::Coin<X>): coin::Coin<Y> {}
public fun swap_y_to_x<X, Y>(input_y: coin::Coin<Y>): coin::Coin<X> {}

For V3, under the ss3swapAbel module

public fun swap_x_to_y<X, Y>(input_x: coin::Coin<X>): coin::Coin<Y> {}
public fun swap_y_to_x<X, Y>(input_y: coin::Coin<Y>): coin::Coin<X> {}

Solana Contract

Our Solana contract is currently in alpha state. They can be found at these addresses:

export const PROGRAM_IDS = {
  V2: new PublicKey('EaBNtqenvVqpMoXAjYH6H91jLfVSiygczCCDDufwoVop'),
  V3: new PublicKey('BYxcSnZ1HEPGHaQ9RNaoGmzdzDBRWWnp9W553vjM7PGP'),
}

Our anchor contract IDL can be found here.

Warning: our solana contracts are in alpha status. We may in the future migrate all liquidity to a non-upgradable deployment under a new address.

PreviousObric: Smart Liquidity Matters

Last updated