Market Maker Pool

Direct swap with Market Maker

Contract info

Contract name: MM Pool

BSC

Contract address: 0xfEACb05b373f1A08E68235bA7FC92636b92ced01

View on BscScan

ETH

Contract address: 0x9Ca2A439810524250E543BA8fB6E88578aF242BC

View on Etherscan

Example of Swapping

EIP 712 Signature

const domain = {
  name: "PCS MM Pool",
  version: "1",
  chainId: // 1 or 56,
  verifyingContract: // please refer to the address above,
};

const quoteType = {
  Quote: [
    { name: "nonce", type: "uint256" },
    { name: "user", type: "address" },
    { name: "baseToken", type: "address" },
    { name: "quoteToken", type: "address" },
    { name: "baseTokenAmount", type: "uint256" },
    { name: "quoteTokenAmount", type: "uint256" },
    { name: "expiryTimestamp", type: "uint256" },
  ],
};

const quoteValue = {
    nonce,
    user,
    baseToken,
    quoteToken,
    baseTokenAmount,
    quoteTokenAmount,
    expiryTimestamp,
};

// EIP 712 Signature
const signature = await mm._signTypedData(domain, quoteType, quoteValue);

Name	Type	Description
nonce	uint256	The user nonce can be called from getUserNonce in the contract
user	address	user address
baseToken	address	The token address that the user is sending to the market maker
quoteToken	address	The token address that the user is receiving from the market maker
baseTokenAmount	uint256	The amount of base token in the swap
quoteTokenAmount	uint256	The amount of quote token in the swap
expiryTimestamp	uin256	The expiry time of the signature in unix

swap

struct Quote {
    uint256 nonce;
    address user;
    address baseToken;
    address quoteToken;
    uint256 baseTokenAmount;
    uint256 quoteTokenAmount;
    uint256 expiryTimestamp;
}

function swap(
        address _mmSigner,
        Quote calldata _quote,
        bytes calldata _signature
    ) external payable

Name	Type	Description
_mmSigner	address	The market maker address
_quote	Quote	The Quote struct
_signature	bytes	The signature generated from above