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

Ledger Stellar Coin integration

import invariant from "invariant";
import { updateTransaction } from "@ledgerhq/coin-framework/bridge/jsHelpers";
import { fetchAccountNetworkInfo } from "../network";
import { getAssetCodeIssuer } from "./logic";
export const prepareTransaction = async (account, transaction) => {
    const networkInfo = transaction.networkInfo || (await fetchAccountNetworkInfo(account));
    invariant(networkInfo.family === "stellar", "stellar networkInfo expected");
    const fees = transaction.fees || networkInfo.fees;
    const baseReserve = transaction.baseReserve || networkInfo.baseReserve;
    const [assetCode, assetIssuer] = getAssetCodeIssuer(transaction);
    if (transaction.networkInfo !== networkInfo ||
        transaction.fees !== fees ||
        transaction.baseReserve !== baseReserve) {
        return updateTransaction(transaction, {
            networkInfo,
            fees,
            baseReserve,
            assetCode,
            assetIssuer,
        });
    }
    return updateTransaction(transaction, { assetCode, assetIssuer });
};
export default prepareTransaction;
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