@ledgerhq/coin-near/lib-es/estimateMaxSpendable.js

Near Coin integration

import { BigNumber } from "bignumber.js";
import { getMainAccount } from "@ledgerhq/coin-framework/account/index";
import { createTransaction } from "./createTransaction";
import getEstimatedFees from "./getFeesForTransaction";
import { getMaxAmount } from "./logic";
export const estimateMaxSpendable = async ({ account, parentAccount, transaction }) => {
    const mainAccount = getMainAccount(account, parentAccount);
    const draftTransaction = {
        ...createTransaction(account),
        ...transaction,
        amount: mainAccount.spendableBalance,
    };
    const fees = await getEstimatedFees(draftTransaction);
    const maxSpendable = getMaxAmount(mainAccount, draftTransaction, fees);
    if (maxSpendable.lt(0)) {
        return new BigNumber(0);
    }
    return maxSpendable;
};
export default estimateMaxSpendable;
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