Truffle migrate could not connect to your ethereum client. please check that your ethereum client工作

筛选

我最近的搜索
筛选项:
预算
类型
技能
语言
    工作状态
    2,000 truffle migrate could not connect to your ethereum client. please check that your ethereum client 份搜到的工作,货币单位为 USD

    what needs to be done is adding DH key exchange algorithm for my existing project on a webrtc server straming video and audio. My original project code was recording audio from browser and mobile and comparing them to be a second-factor authentication. And what I want to improve is using webrtc and streaming audio from both to compare them, instead of recording. What I have done so far is making a webrtc signalling server and a url link that streams video and audio. How the connection works now is We create a room with a roomID and the peers make a request to the server with the roomID in the url. RoomID will be put in the same room and they start streaming video and audio. But it's too insecure and I need to generate a diffie hellman k...

    $173 (Avg Bid)
    保密协议
    $173 平均报价
    2 个竞标

    因为我不是很清楚代码, 但是我有程序能提供给你方便查看了解,下手 更多详情请直接联系我,方便沟通,方便联系,内容不复杂。请DDD我

    $2416 (Avg Bid)
    $2416 平均报价
    3 个竞标

    气象指数由一个IoT通过sim卡传到cloud,需要一位专业人士链接数据到到网站 I need a great programmer to know how to connect with cloud with my IOT, store the data sent by IOT in the cloud and visualize via a web site. I already have a website in Chinese, and I need to have the same website in English or French but IP should be located in France and the data alss stored in French cloud

    $4329 (Avg Bid)
    $4329 平均报价
    17 个竞标
    Project for Your Local T. 已经结束 left

    您好,Your Local T.。我留意到了你的简历,想让您参与我的项目。我们可以讨论一下项目的细节。

    $8 / hr (Avg Bid)
    $8 / hr 平均报价
    1 个竞标

    Hey , my name is Jay and I work at Moto Morini , we are a motorcycle manufacturer and we are looking to expand our market to the US, we need some staffs for the whole operation procedure which are assistants for now but you could turn to our full-time staff after the branch is all settled if you are into this business. The main office will be located around the North California area. We hope you are good at sales , marketing skills, and a bit more recruitment skills is preferred. Feel free to contact me .

    $19 / hr (Avg Bid)
    $19 / hr 平均报价
    2 个竞标
    Project for Not I. 已经结束 left

    您好,Not I.。我留意到了你的简历,想让您参与我的项目。我们可以讨论一下项目的细节。

    $8 / hr (Avg Bid)
    $8 / hr 平均报价
    1 个竞标

    ...This is a ranking voted by users. Later, I felt that this is a really good project, and it has gained popularity abroad, but it hasn't really become popular yet. It was decided that everyone would make it full-time. The game has not yet been launched, and will be launched on May 5. Our first crowdfunding, we got nearly one million dollars in fundraising within 5 days. However, the ship design and model at that time could not reach the quality approval of the team. After the game is launched in the future, the sale of ships will be one of our main income channels, so long-term cooperation is needed to provide a stable and high-quality original painting and modeling team for a long time. The cost of the specific original painting and m...

    $27 / hr (Avg Bid)
    $27 / hr 平均报价
    5 个竞标

    我需要翻译。

    $99 (Avg Bid)
    $99 平均报价
    5 个竞标

    我需要一个安卓app。我已经有设计稿了,只需要对其进行搭建。

    $139 (Avg Bid)
    $139 平均报价
    8 个竞标

    ...language is not required, the budget is 10,000 RMB, the price can be discussed Main function: The software uses the QQipad protocol to automatically exit the QQ discussion group (also called multi-person chat) Need to be green software without installation and direct operation, to minimize the background operation QQ exists in the discussion group will automatically retreat, must be seconds back Details: If the QQ of the login protocol is bound to the security device, you need to pop up the phone verification or QQ security center verification to ensure that you can log in and use normally. After the login is successful, the current status is displayed next to it, and then you can start and stop the button. After starting...

    $1111 (Avg Bid)
    $1111 平均报价
    1 个竞标
    德国dhl API对接 已经结束 left

    目前在做德国dhl api与自己开发的wms系统的对接工作。对接过程中遇到如下问题: 根据DHL官网 提供的wsdl地址:地址: ,生成了webservice client。在生成的客户端文件中,找不到填写DHL账户、密码等权限验证的请求文件。 例如获取快递单号请求request中,既没有看到请求头要我填入账号密码,也没有看到要填token的参数。导致该请求无法通过权限校验,无法获取快递单号和电子面单。 请求技术大牛帮忙解决请求接口问题即可,接下来的开发与测试工作我可以自己完成。谢谢。

    $7 / hr (Avg Bid)
    $7 / hr 平均报价
    2 个竞标
    socks5 proxy client 已经结束 left

    socks5 proxy client socks5 proxy client

    $35 (Avg Bid)
    $35 平均报价
    1 个竞标

    我需要一款安卓应用程序。我想对其进行设计和搭建。

    $2825 (Avg Bid)
    $2825 平均报价
    5 个竞标

    ...interface to support RGB, LVDS and MIPI interface, as only one interface can be used at the same time, so the three interface pins can be reused; 3. Touch screen interface resistive screen interface, the use of ADS7846 or compatible chip, using the SPI interface; Capacitive screen interface, the use of IIC interface; 4. SD card interface CPU to reserve SD / TF card interface pins; 5. Network interface using RMII interface PHY, so RMII interface pins have to be reserved, PHY using DP83848IVV ; 6. Serial communication interface to reserve a RS232 UART; reserved for a RS485 UART, in addition to set aside a pin for the direction of RS485 control; 7. USB interface to set aside 1 USB interface for external USB device; 8. Rotary encoder i...

    $2789 (Avg Bid)
    $2789 平均报价
    2 个竞标
    网页开发 已经结束 left

    我需要一个新网站 设计并搭建 小型企业网站 1. 我需要一個可以利用blockchain ethereum 的網站 2. 那個網站有兩大部分,一個是項目發起人,另外一邊是funding provider 3. 項目發起人可以提交項目 4. fundingprovider可以選擇不同項目,後利用某一種貨幣轉成ether後,作出捐獻,他亦可隨時監控資金的流向,他亦可以核對該項目的進度,然後才給錢

    $2163 (Avg Bid)
    $2163 平均报价
    10 个竞标

    ...based in Shanghai China. The app first feature is in some way similar to 滴滴快车. Monetization will be that the app will deduct a minor percentage from every transaction after every service done. The app will be based in China, and only for coding, we will be providing the interface design, a very simple minimal design would be used. Requirements are to be: 1. Experienced with Wechat/ Alipay or union payment integration. 2. Familiar with geo-location based services and map integrations。 3. Simple rating system for both providers and clients. 4. Familiar with Chinese source code and regulations. 5. Ability to develop the apps within 5 months max. Context: The basic outline of the app would be into 3 features where “client” will chose...

    $5123 (Avg Bid)
    $5123 平均报价
    9 个竞标
    Web development 已经结束 left

    我需要完善一个网站 一个网站建好一半了,需要懂协助开放WordPress网站。按要求独立编写WordPress主题和插件。可以转化设计成主题。理解用户要求编写最有效的插件。所编写程序必须可以安装到工作伙伴的WordPress上。懂得从虚拟和分享服务器间双向migrate WordPress。可以向合作伙伴详细讲解做过什么,遇到什么问题; 最好可以通过所编程序沟通。编程style必须符合各种公开规格,例如PHP-fig。可以在要求时间内完成任务; 如果时间要求不合理,要提出合理反驳; 如不能按时完成,必须明白怎样寻求帮助

    $1180 (Avg Bid)
    $1180 平均报价
    8 个竞标

    如果你是安卓的反,反编译主和其他网络 通信集成插座的IP / TCP水平是比较高的,欢迎参加 项目。我们要做的事是进入大圆直播室,登录多个 客户以保持包的心跳;所以我们需要分析客户的大圆,反。不 只是安卓斗鱼客户端,和ISO版本的安卓平板电脑,可以试试;附件也有一个 详细介绍,如果你需要更多的了解,请与我沟通 长时间在线。

    $3675 (Avg Bid)
    $3675 平均报价
    5 个竞标

    ...天,但只是发文字和图片的帖子,也可以只发文字) 试用手机,如果需要进一步信息我会提供笔画照片。 please compare and need chinese version website base on these two website first page:choose a city like (cookie remember the city that user the return user will go straight to the 2nd page ) the 2nd page please see and its their 1st the top of this page ,there are buttons 【切换 城市,切换英文版(this is link to another site),免费发帖,我的账号,所在城市名称(press go to the main page ,which is 2nd page),招工,群聊讨论或信息,广告说明,购买广告】 the 3nd page just ad page which is posted by website gonna have lots advertising in the middle and two sides ,so will need change and update in future. no need register to post but if use an email to register an account can manage the ads. when posting

    PHP
    $550 (Avg Bid)
    $550 平均报价
    6 个竞标
    Project for zhengguang04 已经结束 left

    zhengguang04,您好,我看了您帮人制作“Ios client for shadowsocks”https://www.freelancer.com/projects/Mobile-Phone/Ios-client-for-shadowsocks/ 的项目,我对这个蛮感兴趣,想找你做一个。请问该怎么联系你?这个预算我是随便填的。

    $200 - $200
    $200 - $200
    0 个竞标

    opencart connect to Stock Manager Advance (v3.0.1.20 ) sync opencart with Stock Manager Advance including order, member, order status. find the attachment is detail document

    $1368 (Avg Bid)
    $1368 平均报价
    3 个竞标
    CSGO Cevo/esea hack 已经结束 left

    ...strong knowledge of C++/C## to Design a Cheat for the Game Counter-strike:GO. With Certain Features. and Capability to bypass two anti cheat in particular. And Also be compatible on A Specific Operating System. Needs to be done in a Reasonable Amount of time. --------------------------------------------------------------------------------- Needs to have one or two the Following Features And Proof From Leagues Smooth-Aimbot (Human Like, I want to be able to adjust the bot also) ------------------------------------------------------------- Needs to be Proof for the Following Anti-Cheats. CEVO (Paladin/CEVO) [url removed, login to view] ESEA (ESEACLIENT) [url removed, login to view] --------------------------------...

    $483 (Avg Bid)
    $483 平均报价
    2 个竞标

    first of first , you need to know Cantonese, if you dont, pls dont click here. second, you need have wedding video editing experience. third, pls review it before you turn it in to me, white balance / color / light correction, sound adjustment, background music and montage is needed (i have sample that i did before, so you can check and follow) . pls turn in on time. this is a Chinese in America wedding, Cantonese style. 3-5 camera angel , from tea ceremony, church ceremony , wedding boutiques whole day. here is the footage sample.

    $230 - $270
    $230 - $270
    0 个竞标

    I have 10 pages PPT, all in Chinese wordings now. Wanna make an attractive and beautiful powerpoint in 12 hours. I need to check the quality of your previous work before sending you the details PPT file. Thank you.

    $85 (Avg Bid)
    $85 平均报价
    6 个竞标

    1. App download to allow user to access the internet thru our company servers.. 2. GEO Location of device for clients when they enter the office building to know where they are. 3. Building lay out, with using scan QR codes to let clients know where they are at precisely 4. USING wifi, A-GPS and GPS to access location INSIDE the building and on different floors 5. Allow downloading of pamphlets and documents helps references for services provided in the entire 10 story building along with each specific floors 7. Will need ongoing support for at least 1 year, 8. Within the app, the layout for the client changes and makes changes based on the wifi positioning. 9. Smart app controller, allowing the app to control simple internet conne...

    $1271 (Avg Bid)
    $1271 平均报价
    4 个竞标

    We are releasing a product that provides a range of discount services to clients. We are going to sell this product on the chinese wechat platform. As such we need to develop articles to highlight the benefits of the product. This project is to develop 10 articles which I have developed the theme/heading and dot pointed the key issues that the article could cover. It would be preferable that these articles are developed in mandarin/simplified chinese however we would be willing to hire someone to develop these articles in English and then hire someone to translate them.

    $129 (Avg Bid)
    $129 平均报价
    32 个竞标

    Translating day to day Cantonese conversations to Korean client

    $566 (Avg Bid)
    $566 平均报价
    1 个竞标

    I am a chinese i am outside chinese now.I can not log in my chinese online bank account outside i need a chinese friend help me buy a virtual product from is a long time project.i need to buy a lot of of them are software.I need you to add the chinese product seller's help me pay him through chinese construction online bank.I want a long time business with time you need to help me buy a virtual need to pay the chinese seller can use baidu to check the Exchange rate. 我也是一个中国女人,我现在不在国内,在美国。我不能在国外登陆中国的网上银行。所以我需要一个中国朋友帮助我买一个虚拟物品,这是一个长期项目,我需要买很多东西从国内。大多数都是虚拟物品,类似软件,和其他服务。我会给你卖家的qq号码,你需要加他然后帮我付款。使用你的国内网上银行,你最好有一个建设银行的网上银行。我经常买很多东西,如果找到合适的人可以长期合作。你会得到一个好评和赚到一些差价。这是一个非常简单的项目,你只需要帮我加一个中国卖家的qq然后支付他,然后截图支付证据,我就会给你付款。

    $125 - $140
    $125 - $140
    0 个竞标

    我有进行中的、与之前的项目相关的工作I need your help - open to bidding'

    $5 / hr (Avg Bid)
    $5 / hr 平均报价
    1 个竞标
    ABOUT ODDSMAKER 已经结束 left

    ...any questions after reading this, please ask me and do not assume you know what I need. Please follow these steps. 1. Go to and click 'table games then 'more table games' and click the european roulette graphic. 2. Play for Fun. 3. Click the '100-spin' button three times; each after the button clears and allows for the next click. 4. Click the 'statistics' button and view the page. 5. Look either at the top row of 5 numbers or the bar graph and look for a 'zero' above any red, black or the green zero. The top five numbers will read 'Never Hit' and show the number(s) if any that have not been hit in the last 300 spins. 6. If no numb...

    $1307 (Avg Bid)
    $1307 平均报价
    4 个竞标

    Hey how are you? I’m Kate and just wondering if you could take a precious moment to help me translate this Simplified Chinese article in Australian English in regards to Arts. This is fairly important to me as it is mainly for my little private business’s art project description. I need it as soon as possible (within a couple of days). Thank you for your cooperation!

    $21 (Avg Bid)
    $21 平均报价
    7 个竞标

    Sip client with the pjsip or other sip stack. Need the cloudy Address Book accroding to the API. Need the presence status. The project should be finished in 1 month.

    $1532 (Avg Bid)
    $1532 平均报价
    3 个竞标

    Our client has a news website based on Wordpress and it has a mobile adapted plugin already. What we need is an app to be wrote and submitted to the apple store and Android marketplace: Requirements: 1) Submitted successfully and be able to be searched by key words; 2) Be able to push messages to those who has installed the app; 3) Be able to read basic statistics for the administrators. The website address is : [dot]com (Pls replace the [doc] with "." )

    $165 (Avg Bid)
    $165 平均报价
    2 个竞标
    MT4 client API 开发包 已经结束 left

    MT4 client API 开发包 或者各种优质的服务端插件 均可高价收购 另外需求开发 MT4 手机交易端 以及收集MT4系统客户订单 同步递交到另外一家比如FXCM的交易商订单的插件

    $1651 (Avg Bid)
    $1651 平均报价
    5 个竞标

    开发一款LSP拦截类型的游戏加速器   LSP加速器 架构:游戏客户端 --> LSP --(自定义协议)--> 中转中心 --(任意协议)--> 代理服务器 ----> 游戏服务器 自定义协议: TCP: LSP 拦截Connect,修改目的地址为 中转中心 地址 发送一个数据给 中转中心,数据格式为 remoteip remoteport pid 之后所有 游戏客户端 的数据直接发给中转中心 UDP:对每一个 游戏客户端 的数据进行封装,在数据头部添加 remoteip remoteport pid 为什么使用自定义协议:减少 LSP 与 中转中心 的握手次数提高性能,而且 LSP 所处的环境很特殊,数据交换比较困难。 中转中心: 对内接口使用 自定义协议 进行通信 对外接口可以使用任意协议 为什么使用中转中心:(或者在LSP代码里面建立连接管理) LSP 与 中转中心 建立连接时,先不与 代理服务器 建立连接,而是直接向 LSP 返回连接成功,这与的做法相同。根据前期测试发现,这种做法才能保证游戏客户端不会造成没有响应的现象。 因为 中转中心 处于本地,所以 LSP 与 中转中心 的通信非常快,本质上只是内存的拷贝。 对于后期的扩展,不需要修改 LSP 的代码,只需要将 中转中心 对外接口所使用的协议进行修改,就能够支持任意协议的代理服务器。 参考

    $1250 (Avg Bid)
    $1250 平均报价
    1 个竞标

    1、分为SERVER和CLIENT 2、CLIENT远程控制SERVER 3、SERVER实现磁盘管理,SHELL,进程,服务,注册表,端口反弹 4、SERVER做成WINDOWS 服务自启动 5、SERVER要能通过HTTP代理出去,简单来说,就是可以获得IE代理然后连接出去。 6、过主流防御软件(这个可以协商) 7、SERVER运行于XP,WINDOWS 7/WINDOWS 8(32位和64位)

    $1666 (Avg Bid)
    $1666 平均报价
    2 个竞标

    Check out: You see the following phrases: 缘分是前世感情的延续, 缘分是今世的擦肩而过。 缘分是前世不变的誓言, 缘分是今生痛苦的约定。 缘分是一次机遇的把握, 缘分是一种爱慕的流逝。 缘分是相遇时美好梦想, 缘分是别离后苦涩回忆 I need 500 10-12 word phrases on 缘分.

    $144 (Avg Bid)
    $144 平均报价
    5 个竞标

    我有一个持续工作,之前与之相关的项目为'Migrate J1.5 Rocketheme template'

    $10 / hr (Avg Bid)
    $10 / hr 平均报价
    1 个竞标

    Here is your rare opportunity to make Good Money!!! Do you thrive in a fast-paced environment where your success is directly tied to your effort? Are you passionate about connecting businesses with the power of a stellar website? If so, we want YOU on our team! We're a High Converting Website Design Agency looking for a driven, commission-only sales superstar to join our ranks. In this role, you'll be responsible for: Prospecting and Cold Calling: You'll identify potential clients who need a website refresh or a brand new online presence. Be prepared to make a positive first impression and build rapport over the phone. Understanding Client Needs: You'll have a knack for uncovering a client's vision and tran...

    $5000 (Avg Bid)
    $5000 平均报价
    1 个竞标

    I'm seeking a proficient researcher to explore the viability of using lithium tantalate as an alternative material in the production of smartphone components. This project is specifically targeted toward academic researchers, and the final output is expected to be in the form of presentation slides. Key aspects of the project: - Investigate the potential of lithium tantalate: The main goal of this research is to assess whether lithium tantalate could serve as a cost-effective and efficient alternative material to the ones currently in use. - Academic audience: Given the nature of this project, the target audience for the final output will be academic researchers. Therefore, the content and analysis should be tailored to this group. - Present...

    $13 / hr (Avg Bid)
    $13 / hr 平均报价
    3 个竞标

    I'm in need of a logo designer who specializes in modern, minimalist design. The logo should be black and white, with no other colors included. Key Requirements: - The logo should be appropri...included. Key Requirements: - The logo should be appropriately modern and clean, without any unnecessary frills or complexity. - It should be visually appealing in black and white - these are the only colors that should be used. - Creativity in translating the modern design into a black and white palette is a must. Ideal Skills and Experience: - Proven experience in logo design, with a strong portfolio showcasing modern, minimalist design. - Proficiency in working with a limited color palette, particularly black and white. - Good communication skills to understand and impleme...

    $11 / hr (Avg Bid)
    $11 / hr 平均报价
    15 个竞标

    I HAVE A WORD DOCUMENT THAT FEEDS VIA AN EXCEL SHEET VIA A COMPLEX VBA .. I need the following to addede: Split of Clients for Buys, Sells, Buy/Sell Spreads, Brokerage, Management Costs Currently, the Excel only allows the input of trades for one client, however, we’d like to have this broken up to at least 3 clients (I remarked client and partner in the meeting, however, we have some clients who have an account each, plus a joint-account).

    $84 (Avg Bid)
    $84 平均报价
    35 个竞标

    ...year to bring you a top-notch learning program with Freelancer.com that was never revealed before… It's not just about teaching you everything I know and sharing my journey to the #1 amongst 70 million people; it's also about connecting you with a great community.. Once you complete the program and pass the test, you'll earn an exclusive badge that very few people get.. But.. Also, you get all of the following INCLUDED with NO HIDDEN COST in a YEARLY price of 129 USD: ➡️ Be among the elite few to earn the new IFC badge on your profile so that you can stand out! (Upon successful completion of the test) - Priceless! ➡️ Unlock hours of groundbreaking video content I’ve been working on for months that&#...

    $28 (Avg Bid)
    $28 平均报价
    1 个竞标

    As a beginner with keen interest in Full stack Java Script developer, I am looking for a tutor with an impressive full stack development track record and hands on experience. Tutor must teach every facet from front end(HTML, CSS, JAVASCRIPT), back end(JavaScript), Git & Git hub,React.Js, Node.Js with express.js...looking for a tutor with an impressive full stack development track record and hands on experience. Tutor must teach every facet from front end(HTML, CSS, JAVASCRIPT), back end(JavaScript), Git & Git hub,React.Js, Node.Js with , database(MongoDB/PostgreSql), API’s, web security, DevOps deployment, cloud services(Aws/Azure), Test and debugging and project management. On every check point tutor needs to give real world project experience by Building proje...

    $1151 (Avg Bid)
    $1151 平均报价
    9 个竞标

    I'm looking to create a stock market prediction tool that could help me identify profitable investment opportunities. The primary data source for this project would be historical stock prices. I'm looking for a freelancer who could implement this in Python. Requirements: - Develop an algorithm to predict profitable investments based on historical stock prices - Ensure the tool is easy to use, with clear and concise output - Implement a user-friendly interface and visualizations for the predictions - Provide documentation on how the tool works, and how it should be used Ideal Skills: - Strong background in stock market analysis and investment - Proficiency in Python, with experience in data analysis and prediction - Previous experience ...

    $104 (Avg Bid)
    $104 平均报价
    12 个竞标

    ...arm 3d models and would like to find someone who's able to modify those models, cut into smaller parts and convert into CAD format. I will use the parts for 3d printing. The original model is in 3ds, fbx and obj format. Image of the model is attached and I only need you to work on the arm and upper body parts, which is circled in red. Key deliverables: - The final mechanical parts should work be compatible with standard CAD software, such as SolidWorks, Onshape. STEP or SLDPRT format works for me. - The final model should be as close as possible to real human body size, The total height of this woman will be 165cm. - I only need the 3d parts to be a shell, no need for inner mechanical structure, but each pieces of the shell should have mechan...

    $110 (Avg Bid)
    $110 平均报价
    30 个竞标

    I'm looking to enhance two key areas of my website and I need your expertise. - Supplier Product Upload and Search Functionality: Firstly, I would like to improve the way how suppliers can upload products (one product with different supplier prices by different suppliers), and how it is displayed to customers. - MLS Feed Integration: Secondly, I'm looking to connect my website to receive an MLS feed from another website. This would require you to setup the connection and ensure the data is accurately synced. Ideal Skills: - Proficiency in web development with a focus on ecommerce features - Experience with implementing search functionality improvements - Knowledge of MLS feed integration would be a bonus. - Laravel If ...

    $179 (Avg Bid)
    $179 平均报价
    71 个竞标

    As your client, I'll need focused assistance with my project that involves two primary tasks: - **Color Correction:** I have several photographs that require professional color correction before they're suitable for online publishing. You should have an eye for detail and experience in using popular photo editing tools. A background in graphic design would be an added advantage. - **Document Formatting:** Alongside the graphics, I also have documents that need proper formatting. Ideal candidates have prior experience with professional document design and formatting, varying from layouts to font choices. For both tasks, strong attention to detail, technical proficiency, and an understanding of aesthetics are crucial. If you have ...

    $2 / hr (Avg Bid)
    $2 / hr 平均报价
    5 个竞标

    I am looking for someone that has listened to the Drake vs Kendrick Diss tracks many times. I need someone that is very active with the culture & knows almost everything thats going on in this beef. I need someone that has seen all the memes around the beef. And knows the history of the beef. I'm looking to put together some content around this beef. And I need someone that can guide me. 1. How old are you? 2. Where do you live? 3. Who do you think won the battle and why? 4. If I needed you to defend the loser, could you do so? 5. Tell me something interesting about this beef? 6. What social media platforms are you active on? 7. Did you auto generate this application you sent me, or did you type it out?

    $4 / hr (Avg Bid)
    $4 / hr 平均报价
    10 个竞标