MELD Dev Diary 06

Lending & Borrowing

• Implemented new checks for account contract allowing creation of new user deposit requests.
• Implemented the process to collect deposit requests a single account UTXO in pool contract.
• Added auth token for pool contract to verify authenticity.
• Fixed Protocol Parameter contract to conform Plutarch validator script type signature.
• Wrote a tiny package to polyfill the difference between old and new plutus-ledger-api libraries, enabling the ability to extract common contract types to a separate package and cross-compile with both on-chain and off-chain dependencies.
• Added logic tests for account contracts, pool contracts, and NFT minting policies.
• Refactored multiple auth token minting policies into a single minting policy for more reusability.
• Researched how the underlying representation of each Plutarch data type is structured in Plutus Core in order to write correct typeclasses to extract data from PDatum and PRedeemer.
• Prepared scaffolding for indexers loading configuration and environment variables.
• Wrote Docker bake configuration to automate all Docker image builds with a single command.
• Implemented Docker compose configuration to automate process of setting up private testnet with protocol’s root UTXO, compile scripts and upload as reference scripts.
• Implemented new CI jobs to run unit tests, build and publish Docker images.
• Reorder file structure and Docker image layers to enhance caching and performance of Docker build.

Infrastructure

• Terraformed self hosted GitHub runner for CI of lending and borrowing product.
• Configured self hosted GitHub runner through terraform and shell scripts.
• Developed MELD software versioning strategy document.

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