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Node

Node is a component of the blockchain infrastructure that interacts with the Midnight network to perform tasks such as syncing, validating transactions, and maintaining the chain state.

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14 January 2025

Midnight 0.8.0 RC3 release notes​

This pre-release introduces key updates to enhance metrics, improve key derivation methods, and incorporate additional configurations for testnet environments.

New Features​

  • Integrated Prometheus metrics for the ledger to enable real-time monitoring.
  • Added comprehensive benchmarks for midnight-pallet to assess performance.
  • Included governance keys for qanet in the res directory for streamlined management.
  • Introduced a tool to automate release notes creation.
  • Added testnet-02 configurations to the node for improved testing support.

Changes​

  • Ledger upgraded to 3.0.5 and further upgraded to 3.0.6.
  • Transaction generator has a resolved issue with generate-contract-calls by ensuring a random nonce is used by default.
  • Implemented new and legacy key derivation methods across all networks, except for testnet.
  • Updated to use new key derivation for funding wallets in qanet and local genesis files.
  • Rust compiler upgraded from version 1.82 to 1.83.
  • Set the default trie cache size to zero.
  • Adjusted the default shutdown behavior to trigger at 512 MB of remaining storage instead of 1024 MB.
  • Refactored the transaction generator to use thread-local global for network ID serialization/deserialization.

Known Issues​

  • Further validation of benchmarks under high-load scenarios is pending.

Upgrade Instructions​

  1. Deploy the node image specified in this release.
  2. Ensure compatibility with Ledger 3.0.6.
  3. Verify and apply the new testnet-02 configurations.
  4. Align genesis files with the new and legacy key derivation methods where applicable.