MELD Dev Diary 86

Welcome! In our Dev Diaries, we delve into the continuous advancements and meticulous fine-tuning of the MELDapp. Here is last week’s progress:

MELDapp Web:

Released build 1.3.12 with a bunch of UX/UI modifications and a brand new feature:

• Always show ISPO pool (DEGA) at the top, as 1st available pool under MELD AVAILABLE POOLS and YOUR POOLS if a user staked $MELD,
• Fixed issue of NFT staking positions’ images not being displayed in the UI,
• Fixed touchpad issues for the Safari browser,
• Selecting a pool in Staking caused re-sorting of the list of pools,
• Fixed empty state for NFTs & improved NFT send flow,
• Added support for ERC-1155 NFTs,
• Wrap gMELD & Unwrap MELD buttons copy changed to more intuitive Top Up and Convert Gas MELD,
• Carried on with continuous improvements of the Supply & Borrow based on feedback from our community and internal roadmap,
• Implemented a new concept of displaying an asset as “protected from liquidation” in the Supply & Borrow public testnet,
• Continued to work on a native MELD bridge, NFT Bank Managers use in Supply & Borrow, Yield Boost and Genius Loans.

MELDapp Mobile:

• Prepared the final build for the official App Store (Apple) release on mainnet,
• Continued with intense development of the FIAT currencies user interface, on/off-ramp, bank account opening and support, associated deposit/withdraw flows & premium subscription mechanism.

Solidity | Backend:

• Added role admins and capability to destroy roles,
• Implemented Genius Loan feature in the Borrow flow,
• Removed unused code from codebase,
• Cleaned up imports in the smart contracts,
• Bumped EVM version to shanghai,
• Optimized storage layout,
• Reorganized code structure to comply with style standards,
• Improved precision of quantities in some Supply & Borrow flows,
• Implemented more tests to increase coverage,
• Added Cardano private testnet for bridge local test environment,
• Updated START_TIME_ISO for systemStart of cardano private testnet for ogmios compatibility,
• Deployed new bridge Cardano contract for dev,
• Added Cardano index config for local,
• Implemented function hashing lock request id in cardano-index,
• Synchronized existing ERC721 tokens with registry repo,
• Migrated NFT management to unified table supporting multiple standards including ERC721 and ERC1155,
• Conducted simulations to test the bridge service,
• Updated bridge subgraph to handle the ‘eventSupportedTokenSet’ event,
• Did some updates to bridge API: sanitize zero addresses, filter supported tokens and supported remote tokens,
• Added more log to service, conduct testing on dev, and debug any issues related to bridging native tokens,
• Experimented with forking an EVM node for testing purposes,
• Established a private testnet and local services for the bridge,
• Simulated and tested the staking action ‘leaveNode’ on forked Kanazawa,
• Defined common flows to scan and import new requests, fix an issue with updating request status,
• Added API to track bank manager nfts data of a user,
• Added missing contract address sanitization for some APIs,
• Fixed bug missing price data from Coin Market Cap,
• Implemented new subgraph for Supra Oracle,
• Returned yield boost instance addresses in lending API,
• Wrote calculation functions to get current epoch and next epoch time,
• Added filed isNative to available tokens response for more consistency,
• Fixed bug missing non-nullable field when initializing entity in yield boost subgraph,
• Moved yield boost instance epoch from global API to new API endpoint,
• Removed staker epochs from staker API to avoid returning unnecessary data,
• Moved defi graphql client to separate package.

Infrastructure:

• Migrated app.meld.com and testnet.meld.com to Cloudfront,
• Deleted some unused DNS records,
• Deleted unused Cardano resources from DEV environment,
• Worked on new mainnet Avalanche validator nodes in GCP,
• Fixed a few marketing-api response header issues in Cloudflare,
• Decommissioned Polygon mumbai node,
• Deployed a few fixes to the native MELD bridge services.

We deeply appreciate your steadfast support, which remains a cornerstone for us. Your feedback holds immeasurable worth as we persist in our pursuit of innovating and perfecting the MELDapp. Stay tuned for a series of forthcoming updates in the weeks ahead.