Please describe your proposed solution

Today, the cardano community is growing,so the demand for mining and information retrieval on the blockchain is increasing. There have been some API service providers for the community, but due to the high demand. The current access is quite slow and insufficient. Realizing the importance of this development, we decided to build and develop an API system based on our cardano node and DB synchronization system.

Please define the positive impact your project will have on the wider Cardano community

Benefits for the Cardano ecosystem:

• Developers can focus on developing trading features, swaps, or creating their own project's APIs and SDKs.
• Developers can focus on app development without worrying about building node infrastructure to access data as our APIs are readily available.
• Providing APIs for community use will give developers more options to interact with the Cardano blockchain.
• Developers and businesses have comprehensive and customizable tools to build their blockchain applications.
• By building APIs, we will contribute to expanding the Cardano user community.

What is your capability to deliver your project with high levels of trust and accountability? How do you intend to validate if your approach is feasible?

Our DCOne Crypto team:

We've been operating for over 2 years. Our product is continuously upgraded at: <https://dconecrypto.finance/>

With an experienced team and partnerships with several major Cardano projects such as Koios, Lace, Hunter, etc., we are actively building strong connections with both the community and developers within the Cardano ecosystem.

With a practical, highly applicable product and strong support, we are contributing to the development of the Cardano ecosystem.

Complete the certificate "Cardano Blockchain Certified Associate (CBCA) Alpha Program 2"

Here's where you can see a quick history of the facts and achievements: https://dconecrypto.finance/report-log.html

Here are some of our achievements:

> The current function is up and running smoothly on both the website and the BOT as depicted in the images below. We need some more time to fine-tune the architecture to suit user needs and perfect the API and SDK datasets for users.

1 Submit project

Explore projects, track and trade projects on the Cardano blockchain

2 Cardano Wallet Alert

Receive fast notifications of wallet asset fluctuations

3 Price Tracking

Receive real-time market data first hand today!

• Live BOT Telegram:
• ✅ 400 token #Cardano
• ✅ Realtime data chart
• ✅ Time frames 1D, 7D, 1M, 6M, 1Y, ALL
• ✅ You can also add bots to the group for the community to use

• Cardano Wallet Alert

• Price Tracking: View real-time price chart of Token on the Cardano ecosystem with various time frames directly on the BOT.

• We were mentioned at "Catalyst Weekly #69" with remarkable information

• We contributed the "DCOne Crypto Webhook API" toolkit on https://developers.cardano.org/tools

• We went with Koios and contributed "Koios Cluster as Instance Provider" as instance provider at https://github.com/cardano-community/koios-artifacts

> More information: We understand how to operate and access APIs so in Fund 11 we will build and contribute a source code that provides data access via API with suggestions:

> DCOne Crypto API for Open Source Developers (propose)

>

• We have successfully Closed the DCOne Crypto project at Fund 9 with 1 month ahead of the committed plan.

• We were honored at "Funded Project Reporting &amp; Milestones Guidance - Public" in the category of "Good examples of PoA completions" with project number of DCOne Crypto in Fund 9 (ID: 900078)

• We have been deeply thanked by Lace to all DApps that have supported #LacePlatform see here: https://twitter.com/lace_io/status/1666113474873753600

• We provide a toolkit that helps users to deposit multiple ADA addresses, tokens and create their own NFT, Mint, Burn. See here: https://cardano.dconecrypto.finance/.

• DCOne Crypto is now open source (toolkit that helps users to deposit multiple ADA addresses, tokens and create their own NFT, Mint, Burn): <https://github.com/DCOneCrypto/cardano-connect-wallet-tools>

What are the key milestones you need to achieve in order to complete your project successfully?

Milestone 1: Milestone 1

Architecture infrastructure:

Milestone 1: Deploying infrastructure and building Cardano-node system

Key Activities:

• Design solution architecture diagram for the system
• Setup, configure Cardano - Node system and DB-Sync system
• Perform synchronous running of blockchain database
• Check the query and try to retrieve the data
• Create system documentation and Node build guides.
• Conduct research and analysis of API items that need to be built.
• Build functions, create API queries to query blockchain data
• Execute DbSync queries command
• Validating and testing scripts.

Acceptance Criteria:

• Documentation is easy to read and understand.
• The Node system runs stably and synchronizes in real time.
• Successful execution of test query with reliable results
• API queries working and published on Github

Evidence of Milestone completion:

• System design documentation.
• Screenshots demonstrating Cardano-node system running
• Screenshots or videos demonstrating accessing database DbSync-Node.
• Github repository with DbSync queries
• DbSync queries document.
• Screenshots or videos demonstrating exact DbSync queries.

Milestone 2: Milestone 2: API Development

Key Activities:

• Provide a common architectural framework for source code
• Design and develop APIs from the outputs of milestone 1
• Create APIs documents with Swagger/OpenAPI spec generation
• Implement security
• Providing API to display token prices.
• Providing API to swap tokens with DEX (MINSWAP, SUNDAESWAP, WINGRIDER, SPECTRUM, MUESLISWAP) including: orders, canceling orders, balances, etc.
• Providing API for token price history.
• Providing API for supported DEX exchanges.

Acceptance Criteria:

• Fully functional API building
• System can run correctly and low latency

Evidence of Milestone completion:

• Github repository with source code project.
• Github repository with API specification document.

Milestone 3: Milestone 3: API testing, bugs fix and integration

Key Activities:

• Test the API for compatibility with web platforms
• Tweaking and refining the APIs
• Trial integration into some partner systems - eg dconecrypto.finance website, BOT https://t.me/dconecryptobot
• Create documentation and integration guides

Acceptance Criteria:

• Integration guides and documentation available for developers.
• Integrate the API into at least one working system
• The our APIs are ready to use

Evidence of Milestone completion:

• Github repository with integration guides.
• Screenshots demonstrating APIs running.
• Successfully integrated into dconecrypto.finance website, BOT https://t.me/dconecryptobot
• Screenshots demonstrating successful integration our API

Milestone 4: Milestone 4 : User Adoption and community promotion

Key Activities:

• Promote API to Cardano community in telegram group, twitter,…
• Using telegram bot to reach users
• Receive feedback and reviews from the community
• Tracking metric data to evaluate community interest
• Published code on Github
• Make a youtube video to introduce the solution

Acceptance Criteria:

• At least one system is successfully integrated and running officially
• Good feedback from the community
• Telegram bot push our APIs project to at least 5 groups

Evidence of Milestone completion:

• Screenshots demonstrating feedback from community about our APIs system
• Screenshots demonstrating community rating about our APIs system
• Video youtube introduce our APIs

Final Milestone: Milestone Final: Upgrade and optimize

Key Activities:

• Continue to receive user feedback
• Analyze data to identify areas of improvement and optimization
• Update system patches from community feedback

Acceptance Criteria:

• Perform providing updates based on user feedback
• API system runs smoothly and accurately

Evidence of Milestone completion:

• Document update patches
• Github repository with updated document.

Who is in the project team and what are their roles?

Founder &amp; CEO at DCOne Crypto

Dinh Huu Tac Qui

• Twitter: <https://twitter.com/dconeservice>
• Telegram: <https://t.me/DCOneService>

CTO at DCOne Crypto.

Luu Quoc Cuong

Senior Developer, IBM with 15+ Years of experience in Development.

• Twitter: <https://twitter.com/cuongLuu3535>
• Linkedin: <https://www.linkedin.com/in/cuong-quoc-516147117/>
• Telegram: <https://t.me/Cuongluu>

Full Stack: Nguyen Hoang Le Cong

• Twitter: <https://twitter.com/lecong290398>
• Linkedin: <https://www.linkedin.com/in/cong-le-099235142>
• Telegram: <https://t.me/lecong290398>

Frontend: Le Thanh Hien

• LinkedIn: <https://www.linkedin.com/in/hienle3001>

Devops / Systems Administrator/ Mobile App: Nguyen Khanh Hung

• LinkedIn: <https://www.linkedin.com/in/nguy%E1%BB%85n-kh%C3%A1nh-h%C6%B0ng-a38826201/>

Please provide a cost breakdown of the proposed work and resources

The total budget of the project is 54,000 ₳

(rate: 1 ₳ = 0,4 USD)

Technical Project Lead:

$3,000/month *3 months = $9,000

DevOps/ System:

$2,200/month * 2 months = $4,400

Database engineer:

$2,000/month * 2 months=$4,000

Core version server cost system infrastructure:

12 months = $4,200

Total cost: $21,600

No dependencies

How does the cost of the project represent value for money for the Cardano ecosystem?

The cost of the project represent value for the Cardano ecosystem by:

• Enhancing developer productivity: Developers can save time and effort by leveraging the pre-built components and functionalities offered by the API system. This increased productivity translates into cost savings for developers and organizations building applications on Cardano.
• Less burden on developers: By using our APIs, developers can focus on building great features for their apps instead of starting from scratch. This helps application development projects to be completed quickly. Businesses can then take advantage of market opportunities faster, increasing revenue and return on investment.
• Leverage the existing system: By using our API system, developers can take advantage of Cardano's robust and secure blockchain infrastructure without costly investments or maintenance costs continuously.
• Drive ecosystem growth and innovation: Our API system is open source, so developers are free to build and contribute together. This helps to expand use cases, engage broader users, and bring more value to the growth of the Cardano ecosystem.

These benefits contribute to the overall value and success of Cardano as a blockchain platform.