Native Terra Swaps

import {
    Coin, LCDClient, MnemonicKey, MsgSwap
} from '@terra-money/terra.js'
import axios from 'axios'

async function main() {

    const mk = new MnemonicKey({
        mnemonic: '',
    })

    let chainID = 'columbus-5'

    let gasPrices = await axios('https://columbus-fcd.terra.dev/v1/txs/gas_prices')
    gasPrices = gasPrices.data

    const lcd = new LCDClient({
        URL: 'https://lcd.terra.dev',
        chainID: 'columbus-5',
        gasAdjustment: 2,
        gasPrices,
        isClassic: true
    })

    const wallet = lcd.wallet(mk)

    try {

        const swap = new MsgSwap(
            wallet.key.accAddress,
            new Coin('usdr', '100000'),
            'uusd'
        )

        const tx = await wallet.createAndSignTx({
            msgs: [swap],
            chainID,
        })

        await lcd.tx.broadcastSync(tx, chainID)

    } catch (e) {
        console.log(e)
    }

}

main().catch()