@hikaru-fi/swap-router/test/testSwapOnRealData.js

Package for calculating optimal path for executing swaps

const { toBN } = require("web3-utils");
const { WeightedPool } = require("../poolMath/weightedPool/weightedPool")
const { setPools, getPools } = require("../router/poolCache");
const { getSwap } = require("../router/swap");
const { SwapTypes } = require("../utils/types");


const poolJSON =  {
    "_id": {"$oid": "62b758ded43171bda6d0aa60"},
    "address": "TCPZ7EuzWgxBJPsWajnxNgohMc7QrfZXtC",
    "vaultAddress": "TT6iy6H7hjpVH7g8eYcyak8iu97XfKNC2u",
    "factoryAddress": "TQ73aTFX1cPbem2ogXwuRxtMeM6BhkRCgt",
    "poolManagerAddress": "TG7g7V5fmeiVpWWsxqnhX8g8S86w3wMtmG",
    "swapFee": {"exact": "3000000000000000","approximate": 3000000000000000},
    "name": "TestPool1",
    "symbol": "TP1",
    "tokens": [{
        "address": "TBgegBXzJ7LcTE4uaxV66oH8RaC7iW4LNp",
        "name":"WP DAI",
        "symbol": "WP DAI",
        "exchangeRate": 0.1,
        "multiplier": {"exact": "1000000000000","approximate": 1e12},
        "weight": {"exact": "300000000000000000","approximate": 3e17},
        "balance": {"exact": "1000101999994900","approximate": 1000101999994900},
        "decimal": 6,
        "_id": {"$oid": "62b758ded43171bda6d0aa61"},
        "createdAt": {"$date": {"$numberLong": "1656183006230"}},
        "updatedAt": {"$date": {"$numberLong": "1656183015019"}}
    },{
        "address": "THiitjrLkf5hmK24FZZ5ABDPwEYq9LhMEF",
        "name":"TTR",
        "symbol": "TTR",
        "exchangeRate": 0.1,
        "multiplier": {"exact": "1","approximate": 1},
        "weight": {"exact": "200000000000000000","approximate": 2e17},
        "balance": {"exact": "99999611465657731308658","approximate": 99999611465657731308658},
        "decimal": 18,
        "_id": {"$oid": "62b758ded43171bda6d0aa62"},
        "createdAt": {"$date": {"$numberLong": "1656183006230"}},
        "updatedAt": {"$date": {"$numberLong": "1656183015022"}}
    },{
        "address": "TFfwjZbccda57u96kxjcNHovgKVXpKUZAQ",
        "name":"ST",
        "symbol": "ST",
        "exchangeRate": 0.1,
        "multiplier": {"exact": "10000000","approximate": 1e7},
        "weight": {"exact": "500000000000000000","approximate": 5e17},
        "balance": {"exact": "9999996000000000000000","approximate": 9999996000000000000000},
        "decimal": 11,
        "_id": {"$oid": "62b758ded43171bda6d0aa63"},
        "createdAt": {"$date": {"$numberLong": "1656183006230"}},
        "updatedAt": {"$date": {"$numberLong": "1656183015019"}}
    }],
    "lastModEvent": {
        "block": 23,
        "timestamp": 1656183015023,
        "contract": "TSSMHYeV2uE9qYH95DqyoCuNCzEL1NvU3S",
        "name": "Withdraw",
        "transaction": "87671d23725c4bdef839320c9d6be8eb4de1da3fef57841180e39a96ff1214fd",
        "result": {
            "pool": "d6590288EDA39b0Db2465342dAE38De7154AB9A6",
            "lpAmount": {"negative": 0,"words": [3075503,50870594,7883417],"length": 3,"red": null},
            "tokensReceived": [{"negative": 0,"words": [0],"length": 1,"red": null},{
                "negative": 0,
                "words": [0],
                "length": 1,
                "red": null
            },{"negative": 0,"words": [0],"length": 1,"red": null},{
                "negative": 0,
                "words": [57228300,35],
                "length": 2,
                "red": null
            },{"negative": 0,"words": [0],"length": 1,"red": null}],
            "user": "3Bf5C10904a8d90A87840b30f6Dfd1D1D1513255"
        },
        "resourceNode": "solidityNode",
        "_id": {"$oid": "62b758e7d43171bda6d0e6ed"},
        "createdAt": {"$date": {"$numberLong": "1656183015025"}},
        "updatedAt": {"$date": {"$numberLong": "1656183015025"}}
    },
    "createdAt": {"$date": {"$numberLong": "1656183006230"}},
    "updatedAt": {"$date": {"$numberLong": "1656183015025"}},
    "__v": 0
}

function setupPools() {
    const pool = WeightedPool.fromDBObj(poolJSON);
    const poolDict = {};
    poolDict[pool.address] = pool;
    setPools(poolDict);
}

function testSwap() {
    setupPools();

    const resultSwap = getSwap(
        'TBgegBXzJ7LcTE4uaxV66oH8RaC7iW4LNp',
        'THiitjrLkf5hmK24FZZ5ABDPwEYq9LhMEF',
        toBN(100),
        'BuyTokens',
        getPools(),
        {}
    )

    console.log(resultSwap)
}

testSwap();