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Smart Contract Development (ERC721) & API & development of a Native Real Estate Dapp (Decentralized App)

We need a smart contract developed with the ERC721 token. An API or SDK will need to be developed as well to communicate with the smart contract to develop our Real Estate Dapp.

See below for the Dapp functionality for our MVP. This could be a long term engagement for our full Dapp, if the MVP developed is up to our standard.

*1.* Information Architecture - create a database that houses the UUIDs & Passwords and any other verifications needed to link to their Chelle Wallet where the ERC-20 tokens that were purchased from our ICO cabinet (for MVP). The database must be able to migrate new columns and/or rows as we scale the app up in Phase 2 where users will be able to convert fiat currencies and other cryptocurrencies like Bitcoin. The database must also keep information about properties that we have purchased (total amount that can be invested), and keep information on how much was invested by each user, and a schema developed per property that holds information specific to said property (sq footage, rooms, floors, pets allowed, security, location etc),. Properties will be added consistently, and the information architecture must be easily updated.

*2.* We need further information/consultation, but another smart contract might need to be developed that handles the logic associated with the creation of the ERC 721 tokens once a user invests in one of our property listings (for MVP). This must be able to scale up in Phase 2 of our app where users will receive monthly returns (dividends) based off the allotted percentage they have invested in each property.

*3.* The back-end logic must communicate with the smart contract(s). Display a users Total Token Balance, how many Invested Tokens and in which specific properties, and tokens left for investing. This must be able to scale for buying/selling properties as well as receive monthly dividends in Phase 2. This might be done with an API to crypto wallet agency.

*4.* Each listed property must have a total amount of investment opportunity. This can be shown with a progress bar and must pull information from the database on how much has been invested by all users on each property listed.

*5.* Users must be able to scroll through our property listings, where they can click on a specific property that leads to another page. This page will contain more details regarding the property: sq footage, rooms, floors, pets allowed, security, location (google maps API), brief description etc.

*6.* If a user chooses to allocate their ERC 20 tokens, the back-end must communicate with the smart contract to issue ERC 721 to users which will be represented as an investment allocation on said property. This will update the users Chelle Wallet, and the user's property portfolio

*7.* A portfolio page must be created that shows all the properties a user as invested in and how many tokens were allocated in each.

*8.* A wallet tab that shows users their Chelle token balance and Chelle Token value. The portfolio page can be apart of this.

*Strategic Planning to Oversee:*

- User's story

- How this person/agency will define the infrastructure requirements and scaling techniques

- how this person/agency defines smart contract integration logic with ethereum blockchain

- sending transactions to Blockchain/mainnet/sidechain

- tracking transactions/balance changes, block changes etc

- back-end integration with smart contract.

*Back-end:* Nodejs/Python/Ruby on Rails?

*Front-end* must be a native app for both IOS and android (Reactjs). Open to suggestions

Taidot: Blockchain, Ethereum, Mobile App Development, Python, React.js

Näytä lisää: dapp development, ethereum dapp tutorial, dapp ethereum, dapp using ethereum, ethereum dapp development, ethereum technology stack, dapp examples, dapp university

Tietoa työnantajasta:
( 1 arvostelu ) Mississauga, Canada

Projektin tunnus: #18145554

67 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_26% %project_currencyDetails_sign_sub_27% tähän työhön

HugeWave

Hi ***Let's built the successful project together*** https://www.freelancer.com/u/HugeWave.html This is my freelancer.com profile and you can review my past experience and projects here. As you see , We ha Lisää

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sphinxsolution

Hello, I hope you are doing well, We are Sphinx solution, a Software Solutions and Services Company of 80+ in-house developers and designers specializing in Mobile Apps Development, Web Technologies, Software Testin Lisää

$10000 CAD 30 päivässä
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itIndia2

Hi there, Here is the Blockchain expertise that we have: [login to view URL] We have a team size of 20+ members and we are confident we can work with this assignment. Let us have a call to take things further and t Lisää

$15000 CAD 85 päivässä
(95 arvostelua)
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kchg

Hi, I just read your job posting and am so interested in your job as a senior full-stack developer. As you can see in my profile (http://www.freelancer.com/u/kchg) I have so much experienced with building the real est Lisää

$20000 CAD 10 päivässä
(35 arvostelua)
7.5
ploosesl

hi, would love to develop your mvp to reach the full project to do as wel, my biggest suggestion to may be to the mobile apps natively? And i can take care of the api and backend no worries. I am a Pro iOS & Android Ap Lisää

$20000 CAD 45 päivässä
(100 arvostelua)
8.3
technorizen

Hello , I have similar kind of expertise and work experience. I have gone through your requirement and understand that,you are looking for highly skilled, qualified, and experience Mobile App development team for Lisää

$11000 CAD 10 päivässä
(136 arvostelua)
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MobiStudioz

Hi there, I read through the job details extremely carefully and I am absolutely sure that I can do the project very well. ►►Overview- -Real Estate Token Mobile Application Development. ►►App Flow- -User pr Lisää

$20000 CAD 90 päivässä
(32 arvostelua)
7.6
jinzhenzhu8691

My name is LiMing. I read your project description and understood your idea perfectly i can develop your project, "Smart Contract Development (ERC721) & API & development of a Native Real Estate Dapp (Decentralize Lisää

$16666 CAD 10 päivässä
(33 arvostelua)
7.4
edison4mobile

Hi, How are you? I have enough experience on erc20, erc 721 and smart contract and web3. I finished token exchange a few months ago. So I have enough experience on that. Regards

$10000 CAD 50 päivässä
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$17647 CAD 10 päivässä
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HalosysIndia

Hello, We can surely help you in Real Estate Dapp Smart Contract development, as this inline to our core expertise. I have discreetly analyzed your requirement and glad to submit a proposal. #Who we are: I would like Lisää

$14444 CAD 7 päivässä
(5 arvostelua)
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BigCityInstitute

Full Stack Developer (Cryptocurrency Expert) I am confident that you will be completely satisfied with the quality, timeliness, and professionalism of my work. - Masters degree in Computer Science - more than 10 ye Lisää

$10000 CAD 40 päivässä
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starlingdimond29

Hey there, I’m a frontend / backend developer. I can virtually build any app/site with any of the most complex functions you’ve envisioned. Do message me to discuss your project in greater detail!

$16666 CAD 7 päivässä
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technosystem

Already developed ERC 20 and ERC 721 based Tokens and Daps. [login to view URL] [login to view URL] [login to view URL] [login to view URL] [login to view URL] Lisää

$15694 CAD 60 päivässä
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omsoftware

Hello, Greetings!! Yes we can develop your real estate dapp we have great experience at this Reference Link: [login to view URL] [login to view URL] Please check attached Lisää

$10000 CAD 10 päivässä
(15 arvostelua)
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mingming46

Hi I have rich experience wi th token creation on ERC20, smart contract development using Solidity, web3js, trufflejs, embarkjs programming for DApps development. Please check my representative contract src and Lisää

$16666 CAD 10 päivässä
(14 arvostelua)
6.2
mxicoders

Dear Sir, Greeting from my side, I would like to apply for this job, and we will make it as per your requirement, as described in your Job details. Let me introduce our self, I and my teams are expert in Block Lisää

$11111 CAD 21 päivässä
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sapotacorp

Dear nishal101! I am professional web developer have a look at my profile having nice ratings and reviews. Our React.js's projects: [login to view URL] Our latest Canada's projects: http://miracles.v Lisää

$17711 CAD 30 päivässä
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sanjayios

Hello, I will design and develop your real estate app with back end, please send me a message so we can discuss more. I am a skilled and experienced Mobile Developer having 6+ years of experience in developing va Lisää

$11111 CAD 10 päivässä
(12 arvostelua)
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jexplorer

Hi there, How are you? hope you are doing great. So are you looking for a ERC20 or ERC 721? cause in the chelle wallet you said you are using ERC20 tokens? I am submitting my proposal according to a points that y Lisää

$11111 CAD 10 päivässä
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5.7