MELD Dev Diary 08

Lending & Borrowing

• Implemented API to build transactions creating Account UTXO.
• Built constraints to build deposit event creation transaction.
• Built constraints for batching transaction.
• Refactor bootstrap executable to export smart contract.
• Reimplement some Haskell typeclass instances to be auto derived to avoid writing customized instances.
• Reimplement typeclass instances for API request and response types to reflect the correct API schema exposed by Swagger endpoints.
• Set up the environment to run batcher services.
• Set up Docker and CI configuration for integration tests.
• Wrote the first integration tests.
• Setup & dockerize base API server for faucet minting test tokens.
• Fixed config change bug in Cardano private testnet by making its Docker build deterministic.
• Wrote utility functions to support writing integration tests for API service.
• Implemented separate dev build for faster build time to improve team productivity and production build for correctness.
• Analyzed existing oracle solutions on Cardano mainnet.

Infrastructure

• Terraform code for cardano-node based on EC2 instance.
• Terraform code for app API on AWS.
• Cloud-init script for cardano-node.

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