NAVI Dev Race Bonus Task

task2.ts

import { getFullnodeUrl, SuiClient } from "@mysten/sui.js/client";
import { decodeSuiPrivateKey } from "@mysten/sui.js/cryptography";
import { Ed25519Keypair } from "@mysten/sui.js/keypairs/ed25519";
import { TransactionBlock } from "@mysten/sui.js/transactions";
import { MIST_PER_SUI } from "@mysten/sui.js/utils";

/* NAVI addresses */
const NAVI_PACKAGE_ID =
  "0xc6374c7da60746002bfee93014aeb607e023b2d6b25c9e55a152b826dbc8c1ce";
const FLASH_LOAN_CONFIG_ID =
  "0x3672b2bf471a60c30a03325f104f92fb195c9d337ba58072dce764fe2aa5e2dc";
const STORAGE_ID =
  "0xbb4e2f4b6205c2e2a2db47aeb4f830796ec7c005f88537ee775986639bc442fe";
const SUI_POOL_ID =
  "0x96df0fce3c471489f4debaaa762cf960b3d97820bd1f3f025ff8190730e958c5";
const SUI_ASSET_ID = 0;
const vSUI_POOL_ID =
  "0x9790c2c272e15b6bf9b341eb531ef16bcc8ed2b20dfda25d060bf47f5dd88d01";
const vSUI_ASSET_ID = 5;
const INCENTIVE_ID =
  "0xaaf735bf83ff564e1b219a0d644de894ef5bdc4b2250b126b2a46dd002331821";
const INCENTIVE_V2_ID =
  "0xf87a8acb8b81d14307894d12595541a73f19933f88e1326d5be349c7a6f7559c";
const PRICE_ORACLE_ID =
  "0x1568865ed9a0b5ec414220e8f79b3d04c77acc82358f6e5ae4635687392ffbef";
/**/

/* SUI Addresses*/
const SUI_COIN_TYPE = "0x2::sui::SUI";
/**/

/** KRIYA Addresses */
const KRIYA_PACKAGE_ID =
  "0xa0eba10b173538c8fecca1dff298e488402cc9ff374f8a12ca7758eebe830b66";
const VSUI_COIN_TYPE =
  "0x549e8b69270defbfafd4f94e17ec44cdbdd99820b33bda2278dea3b9a32d3f55::cert::CERT";
const VSUI_SUI_POOL =
  "0xf385dee283495bb70500f5f8491047cd5a2ef1b7ff5f410e6dfe8a3c3ba58716";
/**/

(async function () {
  try {
    const mainnetRPC = getFullnodeUrl("mainnet");
    const client = new SuiClient({ url: mainnetRPC });

    const { secretKey } = decodeSuiPrivateKey("privateKey");
    const keypair = Ed25519Keypair.fromSecretKey(secretKey);
    const account = keypair.getPublicKey();

    const borrowAmount = 10 * Number(MIST_PER_SUI);
    const swapAmount = 19 * Number(MIST_PER_SUI);
    const splitAmount = 9 * Number(MIST_PER_SUI);

    const transactionBlock = new TransactionBlock();

    // 1. Split for transaction requirement
    const transactionRequirementCoin = transactionBlock.splitCoins(
      transactionBlock.gas,
      [transactionBlock.pure(splitAmount)]
    );

    // 2. Borrow Flash loan
    const [suiBalance, receipt] = transactionBlock.moveCall({
      target: `${NAVI_PACKAGE_ID}::lending::flash_loan_with_ctx`,
      arguments: [
        transactionBlock.object(FLASH_LOAN_CONFIG_ID),
        transactionBlock.object(SUI_POOL_ID),
        transactionBlock.pure(borrowAmount),
      ],
      typeArguments: [SUI_COIN_TYPE],
    });

    // 3. Convert balance into coin
    const suiCoin = transactionBlock.moveCall({
      target: "0x2::coin::from_balance",
      arguments: [suiBalance],
      typeArguments: [SUI_COIN_TYPE],
    });

    // 4. Merging coins
    transactionBlock.mergeCoins(suiCoin, [transactionRequirementCoin]);

    // 5. Swap 18 SUI to vSUI
    const vSuiCoin = transactionBlock.moveCall({
      target: `${KRIYA_PACKAGE_ID}::spot_dex::swap_token_y`,
      arguments: [
        transactionBlock.object(VSUI_SUI_POOL),
        suiCoin,
        transactionBlock.pure(swapAmount),
        transactionBlock.pure(0),
      ],
      typeArguments: [VSUI_COIN_TYPE, SUI_COIN_TYPE],
    });

    // 6. Get vSuiCoin amount
    const vSuiCoinAmount = transactionBlock.moveCall({
      target: `0x02::coin::value`,
      arguments: [vSuiCoin],
      typeArguments: [VSUI_COIN_TYPE],
    });

    // 7. Deposit, received vSUI to NAVI
    transactionBlock.moveCall({
      target: `${NAVI_PACKAGE_ID}::incentive_v2::entry_deposit`,
      arguments: [
        transactionBlock.object("0x06"),
        transactionBlock.object(STORAGE_ID),
        transactionBlock.object(vSUI_POOL_ID),
        transactionBlock.pure(vSUI_ASSET_ID),
        vSuiCoin,
        vSuiCoinAmount,
        transactionBlock.object(INCENTIVE_ID),
        transactionBlock.object(INCENTIVE_V2_ID),
      ],
      typeArguments: [VSUI_COIN_TYPE],
    });

    // 8. Borrow 10 SUI from NAVI
    const withdrawnSuiBalance = transactionBlock.moveCall({
      target: `${NAVI_PACKAGE_ID}::incentive_v2::borrow`,
      arguments: [
        transactionBlock.object("0x06"),
        transactionBlock.object(PRICE_ORACLE_ID),
        transactionBlock.object(STORAGE_ID),
        transactionBlock.object(SUI_POOL_ID),
        transactionBlock.pure(SUI_ASSET_ID),
        transactionBlock.pure(11 * Number(MIST_PER_SUI)),
        transactionBlock.object(INCENTIVE_V2_ID),
      ],
      typeArguments: [SUI_COIN_TYPE],
    });

    // 9. Repay Flash Loan
    const [extraBalance] = transactionBlock.moveCall({
      target: `${NAVI_PACKAGE_ID}::lending::flash_repay_with_ctx`,
      arguments: [
        transactionBlock.object("0x06"),
        transactionBlock.object(STORAGE_ID),
        transactionBlock.object(SUI_POOL_ID),
        receipt,
        withdrawnSuiBalance,
      ],
      typeArguments: [SUI_COIN_TYPE],
    });

    // 10. Convert extra balance to Coin
    const extraCoin = transactionBlock.moveCall({
      target: "0x02::coin::from_balance",
      arguments: [extraBalance],
      typeArguments: [SUI_COIN_TYPE],
    });

    // 11. Transfer extra coin to wallet
    transactionBlock.transferObjects([extraCoin], account.toSuiAddress());

    const response = await client.signAndExecuteTransactionBlock({
      signer: keypair,
      transactionBlock,
      options: {
        showBalanceChanges: true,
        showObjectChanges: true,
      },
    });

    console.log(response);
  } catch (err) {
    console.error(err);
  }
})();