lux-swap/dist/dexs/paraswap.js

import { Interface } from "@ethersproject/abi";
import { CHAINS_ENUM, CHAINS } from "@luxwallet/common";
import { generateGetQuote, isSameAddress } from "../utils";
import { ParaSwapABI } from "../abi";
import { DEX_ENUM } from "../consts";
const NATIVE_TOKEN = "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE";
export const SUPPORT_CHAINS = [
    CHAINS_ENUM.ETH,
    CHAINS_ENUM.POLYGON,
    CHAINS_ENUM.BSC,
    CHAINS_ENUM.AVAX,
    CHAINS_ENUM.OP,
    CHAINS_ENUM.ARBITRUM,
    CHAINS_ENUM.FTM,
    CHAINS_ENUM.BASE,
    // CHAINS_ENUM.PZE,
];
export const getQuote = generateGetQuote({
    SUPPORT_CHAINS,
    id: "paraswap",
    dex: DEX_ENUM.PARASWAP,
});
export const decodeCalldata = (tx) => {
    const chain = Object.values(CHAINS).find((item) => item.id === tx.chainId);
    const nullAddress = "0x0000000000000000000000000000000000000000";
    if (!chain)
        return null;
    const contractInterface = new Interface(ParaSwapABI);
    const result = contractInterface.parseTransaction({
        data: tx.data,
    });
    switch (result.name) {
        case "simpleSwap": {
            const [data] = result.args;
            const [fromToken, toToken, fromAmount, toAmount, expectedAmount, callees, exchangeData, startIndexes, values, beneficiary,] = data;
            if (!fromToken || !toToken || !fromAmount || !toAmount)
                return null;
            return {
                fromToken: isSameAddress(fromToken, NATIVE_TOKEN)
                    ? chain.nativeTokenAddress
                    : fromToken,
                fromTokenAmount: fromAmount.toString(),
                toToken: isSameAddress(toToken, NATIVE_TOKEN)
                    ? chain.nativeTokenAddress
                    : toToken,
                minReceiveToTokenAmount: toAmount.toString(),
                toTokenReceiver: beneficiary === nullAddress ? tx.from : beneficiary,
            };
        }
        case "multiSwap": {
            const [data] = result.args;
            const [fromToken, fromAmount, toAmount, expectedAmount, beneficiary, path,] = data;
            if (!fromToken || !fromAmount || !toAmount || !path || path.length <= 0)
                return null;
            const [toToken] = path[path.length - 1];
            return {
                fromToken: isSameAddress(fromToken, NATIVE_TOKEN)
                    ? chain.nativeTokenAddress
                    : fromToken,
                fromTokenAmount: fromAmount.toString(),
                toToken: isSameAddress(toToken, NATIVE_TOKEN)
                    ? chain.nativeTokenAddress
                    : toToken,
                minReceiveToTokenAmount: toAmount.toString(),
                toTokenReceiver: beneficiary === nullAddress ? tx.from : beneficiary,
            };
        }
        case "megaSwap":
            const [data] = result.args;
            const [fromToken, fromAmount, toAmount, expectedAmount, beneficiary, path,] = data;
            if (!fromToken || !fromAmount || !toAmount || !path || path.length <= 0)
                return null;
            const [fromAmountPercent, swapPath] = path[0];
            const [toToken] = swapPath[swapPath.length - 1];
            return {
                fromToken: isSameAddress(fromToken, NATIVE_TOKEN)
                    ? chain.nativeTokenAddress
                    : fromToken,
                fromTokenAmount: fromAmount.toString(),
                toToken: isSameAddress(toToken, NATIVE_TOKEN)
                    ? chain.nativeTokenAddress
                    : toToken,
                minReceiveToTokenAmount: toAmount.toString(),
                toTokenReceiver: beneficiary === nullAddress ? tx.from : beneficiary,
            };
        default:
            return null;
    }
};