**Proponent:** 16HqymHVxdLtK8jtbur7DusQrfLAVEJZfsQijfxVwhQHiTgU

**Date:** 17.03.2023

**Requested DOT:** 76,620.00

**Requested USD:** 463,627.62

**EMA7:** 6.051

**Short description:** Development of an open-source web API system to ‘bridge’ enterprise IT and the Polkadot blockchain ecosystem.

Please note this motion is a batch call, rejecting [treasury proposal no. 247](https://polkadot.polkassembly.io/treasury/247) and [treasury proposal no. 248](https://polkadot.polkassembly.io/treasury/248) and approving [treasury proposal no. 251](https://polkadot.polkassembly.io/treasury/251): while submitting, the Aventus team made mistakes on submissions regarding the amounts for the first two proposals, and they need to be rejected. 

Contextual information for the treasury proposal to be reviewed and vote can be found [HERE](https://polkadot.polkassembly.io/treasury/251). 

Discussion post can be found [HERE](https://polkadot.polkassembly.io/post/1647). 

The proposal seeks funding for Polkadot Insider's media operations from August 2023 to February 2024. Its primary goals are to maintain and expand media channels, influence South Asia communities, and implement real-world activities for user onboarding. Polkadot Insider entails producing daily infographics, conducting Twitter Spaces, creating educational videos, and hosting interviews with ecosystem contributors. Past performance highlights consistent growth in Twitter impressions and YouTube subscribers/views, along with active participation in Polkadot events. Goals for the grant cycle include enhancing content production, increasing community engagement, and expanding partnerships.

Ink! Smart Contract Decoder: Develop a Subsquid processor and GraphQL access interface, and create a public GitHub repository for delivery.

dApp Marvels storage: Establish a database for automated SQL database creation, connect it to SubSquid smart contract decoder, implement automated schema changes, and create a public GitHub repository for delivery.

Data processing and handling: Set up a data pipeline for low-delay access, develop an automated data aggregation pipeline, and create a public GitHub repository for delivery.

dApp Marvels definition: Translate smart contract events into dApp Marvels, create a database to collect ABIs and process them, design a universal data model, and create a public GitHub repository for delivery.

REST API interface & Marvel display: Build an interactive REST API interface, develop a REST API service, and create a public GitHub repository for delivery.

API <> Database connection: Connect the API to the database, add a JSON outputting service, and create a public GitHub repository for delivery.

**Problem Statement and Audience:** 
- The problem is the lack of an open-source web API system to connect enterprise IT with the Polkadot blockchain ecosystem. 
- The intended audience is the Polkadot community and developers.

**Significance:** 
- The proposed solution aims to bridge the gap between enterprise IT and the Polkadot blockchain ecosystem, enabling seamless integration and collaboration.
- This will enhance the adoption of Polkadot by enterprises and promote the development of decentralized applications.

**Proposed Solution:** 
- Develop an open-source web API system that connects enterprise IT systems with the Polkadot blockchain ecosystem.

**Expected Outcomes and Value Proposition:** 
- Improved integration and collaboration between enterprise IT and the Polkadot blockchain ecosystem.
- Increased adoption of Polkadot by enterprises and the development of decentralized applications.

#98 Polkadot web2/web3 API middleware development