Decide chocoserver data architecture

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Implement this. For the first implementation, just implement block->tx->log->event

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Modeling is done by this

• https://eth.wiki/json-rpc/API
• https://web3js.readthedocs.io/en/v1.2.0/index.html
• https://docs.ethers.io/v5/

set only minimum required fields.

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How to get ethereum internal transaction

https://ethereum.stackexchange.com/questions/3417/how-to-get-contract-internal-transactions

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added opensea metadata https://docs.opensea.io/docs/metadata-standards

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All services structure

++ Chocoauth & Chocowallet

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database primary key suggestion https://github.com/typeorm/typeorm/issues/3342#issuecomment-450451674