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

Canton coin integration

import { craftTransaction, estimateFees } from "../common-logic";
import { getNextSequence } from "../network/node";
import BigNumber from "bignumber.js";
export const prepareTransaction = async (account, transaction) => {
    const seq = await getNextSequence(account.freshAddress);
    const craftedTransaction = await craftTransaction({ address: account.freshAddress, nextSequenceNumber: seq }, { amount: transaction.amount, recipient: transaction.recipient });
    const fee = await estimateFees(craftedTransaction.serializedTransaction);
    if (transaction.fee !== new BigNumber(fee.toString())) {
        return { ...transaction, fee: new BigNumber(fee.toString()) };
    }
    return transaction;
};
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