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

Ton Coin integration

import { updateTransaction } from "@ledgerhq/coin-framework/bridge/jsHelpers";
import { fetchAccountInfo } from "./bridge/bridgeHelpers/api";
import { buildTonTransaction, findSubAccountById, getTonEstimatedFees } from "./utils";
const prepareTransaction = async (account, transaction) => {
    const accountInfo = await fetchAccountInfo(account.freshAddress);
    const subAccount = findSubAccountById(account, transaction.subAccountId ?? "");
    const simpleTx = buildTonTransaction(transaction, accountInfo.seqno, account);
    const fees = await getTonEstimatedFees(account, accountInfo.status === "uninit", simpleTx);
    let amount;
    if (transaction.useAllAmount) {
        amount = subAccount ? subAccount.spendableBalance : account.spendableBalance.minus(fees);
    }
    else {
        amount = transaction.amount;
    }
    return updateTransaction(transaction, { fees, amount });
};
export default prepareTransaction;
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