Buy

Examples

BuyOptions

interface BuyInitOptions {
  coinType: string;
  amount: string;
  walletAddress: string;
  isExact: boolean;
  tx?: Transaction;
}

interface BuyOptions extends BuyInitOptions {
  isExact: boolean;
  threshold: string;
}

Buy

async buy(options: BuyOptions) {
    const { tx, coinType, isExact, threshold, amount, walletAddress } = options;
    const txb = tx || new Transaction();

    const coinAmount = new Decimal(amount)
      .mul(10 ** (isExact ? this.quote_decimals : this.token_decimals))
      .toFixed(0);

    const { tokenAmount, thresholdAmount } = await this.calculateTokenAndThresholdAmount({
      coinType,
      threshold,
      amount: coinAmount,
      atob: true,
      isExact,
    });

    const coinBalance = coinWithBalance({
      type: this.quote_address,
      balance: Number(isExact ? coinAmount : tokenAmount),
    });

    txb.setSenderIfNotSet(walletAddress);
    const [remaining_sui_coin, bought_token_coin] = txb.moveCall({
      target: `${pakcageId}::parrot_fun::buy`,
      arguments: [
        txb.object(globalConfig),
        txb.object(funConfig),
        coinBalance,
        txb.pure.u64(coinAmount),
        txb.pure.u64(thresholdAmount),
        txb.pure.bool(isExact),
      ],
      typeArguments: [coinType],
    });
    txb.transferObjects([remaining_sui_coin!, bought_token_coin!], walletAddress);
    return txb;
  }