@ledgerhq/coin-aptos/lib-es/logic/craftTransaction.js

Ledger Aptos Coin integration

import buildTransaction, { isTokenType } from "./buildTransaction";
import createTransaction from "./createTransaction";
import BigNumber from "bignumber.js";
import { APTOS_ASSET_ID } from "../constants";
export async function craftTransaction(aptosClient, transactionIntent) {
    const newTx = createTransaction();
    newTx.amount = BigNumber(transactionIntent.amount.toString());
    newTx.recipient = transactionIntent.recipient;
    newTx.mode = transactionIntent.type;
    newTx.useAllAmount = transactionIntent.amount === BigInt(0);
    const account = {
        freshAddress: transactionIntent.sender,
        xpub: transactionIntent.senderPublicKey,
        subAccounts: new Array(),
    };
    let tokenType;
    const contractAddress = getContractAddress(transactionIntent);
    let balance;
    if (newTx.useAllAmount === true) {
        const balances = await aptosClient.getBalances(transactionIntent.sender);
        balance = balances?.find(b => b.contractAddress.toLowerCase() === contractAddress?.toLowerCase());
        if (balance !== undefined) {
            newTx.amount = BigNumber(balance.amount.toString());
        }
    }
    if (transactionIntent.asset.type === "token") {
        tokenType = transactionIntent.asset.standard;
    }
    const aptosTx = await buildTransaction(account, newTx, aptosClient, contractAddress, tokenType ?? undefined);
    return aptosTx.bcsToHex().toString();
}
function getContractAddress(txIntent) {
    if (txIntent.asset.type === "token" && isTokenType(txIntent.asset.standard)) {
        return txIntent.asset.contractAddress;
    }
    return APTOS_ASSET_ID;
}
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