@ledgerhq/coin-stellar/lib/logic/craftTransaction.js

Ledger Stellar Coin integration

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.craftTransaction = void 0;
const errors_1 = require("@ledgerhq/errors");
const stellar_sdk_1 = require("@stellar/stellar-sdk");
const network_1 = require("../network");
const types_1 = require("../types");
const sdkWrapper_1 = require("./sdkWrapper");
async function craftTransaction(account, transaction) {
    const { amount, recipient, fee, memoType, memoValue, type, assetCode, assetIssuer } = transaction;
    const source = await (0, network_1.loadAccount)(account.address);
    if (!source) {
        throw new errors_1.NetworkDown();
    }
    const transactionBuilder = (0, sdkWrapper_1.buildTransactionBuilder)(source, fee);
    let operation = null;
    if (type === "changeTrust") {
        if (!assetCode || !assetIssuer) {
            throw new types_1.StellarAssetRequired("");
        }
        operation = (0, sdkWrapper_1.buildChangeTrustOperation)(assetCode, assetIssuer);
    }
    else {
        // Payment
        const recipientAccount = await (0, network_1.getRecipientAccount)({
            recipient,
        });
        if (recipientAccount?.id) {
            operation = (0, sdkWrapper_1.buildPaymentOperation)({
                destination: recipient,
                amount,
                assetCode,
                assetIssuer,
            });
        }
        else {
            if (recipientAccount?.isMuxedAccount) {
                throw new types_1.StellarMuxedAccountNotExist("");
            }
            operation = (0, sdkWrapper_1.buildCreateAccountOperation)(recipient, amount);
        }
    }
    transactionBuilder.addOperation(operation);
    const memo = buildMemo(memoType, memoValue);
    if (memo) {
        transactionBuilder.addMemo(memo);
    }
    const craftedTransaction = transactionBuilder.setTimeout(0).build();
    return {
        transaction: craftedTransaction,
        xdr: craftedTransaction.toXDR(),
        signatureBase: craftedTransaction.signatureBase().toString("base64"),
    };
}
exports.craftTransaction = craftTransaction;
function buildMemo(memoType, memoValue) {
    if (memoType && memoValue) {
        switch (memoType) {
            case "MEMO_TEXT":
                return stellar_sdk_1.Memo.text(memoValue);
            case "MEMO_ID":
                return stellar_sdk_1.Memo.id(memoValue);
            case "MEMO_HASH":
                return stellar_sdk_1.Memo.hash(memoValue);
            case "MEMO_RETURN":
                return stellar_sdk_1.Memo.return(memoValue);
        }
    }
    return null;
}
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