@ledgerhq/coin-celo/lib-es/bridge/prepareTransaction.js

celo coin integration

import BigNumber from "bignumber.js";
import { isValidAddress } from "@celo/utils/lib/address";
import getFeesForTransaction from "./getFeesForTransaction";
const sameFees = (a, b) => (!a || !b ? a === b : a.eq(b));
export const prepareTransaction = async (account, transaction) => {
    if (transaction.recipient && !isValidAddress(transaction.recipient))
        return transaction;
    if (["send", "vote"].includes(transaction.mode) && !transaction.recipient)
        return transaction;
    if (transaction.mode === "vote" &&
        !transaction.useAllAmount &&
        new BigNumber(transaction.amount).lte(0))
        return transaction;
    const fees = await getFeesForTransaction({ account, transaction });
    if (!sameFees(transaction.fees, fees)) {
        return { ...transaction, fees };
    }
    return transaction;
};
export default prepareTransaction;
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