✨ Spark network guide

020202020202020202020202020202020202020202020202020202020202020202

import { FlashnetClient } from '@flashnet/sdk';
import { SparkWallet } from '@buildonspark/spark-sdk';

const POOL_ID = "0354b3225e9239f2ccf45113fcad5a8ff1526ffd2ec893bcfc2828e3627d334b98";
const DEPIX_ADDRESS = "83408094afab74a7a76886825d68a945c4903f576041b229c83e0a65baa0dc22"; // hex
const BTC_ADDRESS = "020202020202020202020202020202020202020202020202020202020202020202";

async function main() {
  // 1. Initialize YOUR OWN Spark wallet (never Eulen's).
  //    process.env.MNEMONIC is just an example placeholder.
  const { wallet } = await SparkWallet.initialize({
    mnemonicOrSeed: process.env.MNEMONIC,
    options: { network: "MAINNET" },
  });

  const client = new FlashnetClient(wallet);
  await client.initialize();

  // 2. Read the pool's current state (price, reserves, tick).
  const pool = await client.getPool(POOL_ID);
  console.log(pool);

  // 3. Simulate before executing (does not move funds).
  //    Sell DePix for BTC — base units, 8 decimals ("100000000" = 1 DePix).
  const amountIn = "100000000"; // 1 DePix
  const simulation = await client.simulateSwap({
    poolId: POOL_ID,
    assetInAddress: DEPIX_ADDRESS,
    assetOutAddress: BTC_ADDRESS,
    amountIn,
  });
  console.log("Simulated:", simulation);

  // 4. Execute for real.
  const maxSlippageBps = 100; // 1%
  const minAmountOut = (
    (BigInt(simulation.amountOut) * BigInt(10000 - maxSlippageBps)) / 10000n
  ).toString();

  const result = await client.executeSwap({
    poolId: POOL_ID,
    assetInAddress: DEPIX_ADDRESS,
    assetOutAddress: BTC_ADDRESS,
    amountIn,
    maxSlippageBps,
    minAmountOut,
  });
  console.log("Swap executed:", result);
}

main().catch(console.error);