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Buy Fan Tokens

Pre-requisites​

  1. Install dependencies

  2. Download the Moxie Token and Moxie Bonding Curve ABI.

  3. Make sure to have Moxie token in your wallet and sufficient Base ETH to cover the transaction fees.

Step 1: Setup Client​

config.ts
import { createWalletClient, createPublicClient, http } from "viem";
import { mnemonicToAccount } from "viem/accounts";
import { base } from "viem/chains";

const account = mnemonicToAccount("YOUR_WALLET_MNEMONIC");

const client = createWalletClient({
  account,
  chain: base,
  transport: http(),
});

export const publicClient = createPublicClient({
  chain: base,
  transport: http(),
});

Step 2: Check Moxie Token Allowance​

Step 3: Calculate Buy Price For Fan Tokens​

Step 4: Approve Moxie Tokens​

Step 5: Execute Contract Call​

import client from "./client";
import { MoxieBondingCurveABI } from "./abi/ProtocolContracts#MoxieBondingCurve.json";

try {
  client.writeContract({
    account,
    address: "0x373065e66B32a1C428aa14698dFa99BA7199B55E",
    abi: MoxieBondingCurveABI,
    functionName: "buyShares",
    args: [
      // subject address
      "0x338fDD513Ed2eC7ee1249Ee286F967FC56492C78",
      // amount of Moxie to purchase the FT, calculated from step 2
      BigInt("263749847732490543"),
      // (minimum) amount of FT to buy
      BigInt("10000000000000000"),
    ],
  });
} catch (e) {
  console.error(e);
}

Developer Support​

If you have any questions or need help with other use cases, feel free to join the /airstack Warpcast channel and ask your questions there.

Our team is always ready to help you with any questions you may have.