@ledgerhq/coin-algorand/lib-es/prepareTransaction.js

Ledger Algorand Coin integration

import isEqual from "lodash/isEqual";
import { BigNumber } from "bignumber.js";
import { estimateMaxSpendable } from "./estimateMaxSpendable";
import { getEstimatedFees } from "./getFeesForTransaction";
/**
 * Calculate fees for the current transaction
 * @param {AlgorandAccount} account
 * @param {Transaction} transaction
 */
export const prepareTransaction = async (account, transaction) => {
    let recipient;
    let amount;
    if (transaction.mode === "send") {
        recipient = transaction.recipient;
        amount = transaction.useAllAmount
            ? await estimateMaxSpendable({ account, transaction })
            : transaction.amount;
    }
    else if (transaction.mode === "optIn" || transaction.mode === "claimReward") {
        recipient = account.freshAddress;
        amount = new BigNumber(0);
    }
    else {
        throw new Error(`Unsupported transaction mode '${transaction.mode}'`);
    }
    const fees = await getEstimatedFees(account, transaction);
    const newTx = { ...transaction, fees, amount, recipient };
    return isEqual(transaction, newTx) ? transaction : newTx;
};
export default prepareTransaction;
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