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# Module 2 Specification
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## Goal
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This module is the presentation and aplication layers it comprise the whole
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development toolset and technologies that DECA will use for its dapps
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development (CI/CD, Helia, OrbitDB, Ethers, frameworks, and others) the goal is
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to have a decentralizable base architecture.
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## Dependencies
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- [x] Module 1
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## Subprojects
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- [ ] Lume R&D
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- [ ] Lit R&D
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- [ ] HELIA R&D
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- [ ] OrbitDB R&D
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- [ ] WASM R&D
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- [ ] Decentralizable Assets Bundler
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- [ ] Ethers R&D
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- [ ] Dapp Indexer D&T
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- [ ] Final DAPP Framework
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2024-04-16 20:30:16 +00:00
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> Where:
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> R: Research
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> D: Develop
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> T: Test
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## Development Reports and Repositories
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### Lume R&D
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- [ ] Deno + lume
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### Lit R&D
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- [ ] Lit Compositor
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### HELIA R&D
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The usage of Helia for the dapp will ensure that web clients become their own
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dapp node instance which will share assets and thus network speed and further
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decentralization.
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* [Helia library](https://github.com/ipfs/helia)[^1]
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* [Helia Examples](https://github.com/ipfs-examples/helia-examples/tree/main/examples/helia-webpack)[^2]
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* [Helia Example by Phind](https://www.phind.com/search?cache=v6nzolbm7xl10xvhgfih6bvz)[^3]
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#### Libp2p
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Helia now requires libp2p for handling the peers, and networking
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thus it is important to have some references and tests.
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### OrbitDB R&D
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### WASM
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- [ ] Ethereum Markets tracker wasm
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### Decentralizable Assets Bundler
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### Ethers R&D
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ethers connects to the Ethereum blockchain and perform some verification operations.
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This module is important to ensure frontend/assets decentralization and
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decentralized comunication with the smart contracts.
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#### Ethers-js
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#### Ethers-rs
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#### Ethers-web
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### Dapp Indexer D&T:
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> CID Hashing paradox
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To have a self decentralized website we need to add a hash to the code this hash
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known as CID is generated based on all the assets hashed data, so it makes a
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paradox problem to add the hash if its not know previously in the code, because
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if we add it to the code of the site, the project hash will change.
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#### Possible solutions
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Using SmartContract assets indexer: Use a smart contract with an IPNS and a ENS
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(Ethereum Name Service NFT) which points to an IPNS that will be updated by the
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project developer. This gives us the flexibility to update, and security that
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the blockchain offers. This can also be an alternative to avoid MITM and other
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security issues.
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All the assets should be integrated in the dapp indexer so that it provides
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blockchain security to the dapp and the helia instance and it does not depends
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on centralized systems.
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### Final DAPP Framework
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## Notes and further developments.
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1. Make the ENS Updateable by a DAO and a smart wallet.
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## References
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[^1]: https://github.com/ipfs/helia
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[^2]: https://github.com/ipfs-examples/helia-examples/tree/main/examples/helia-webpack
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