In this release

This is a mandatory release, as it contains several security fixes, as well as other improvements. However, there's no need to rebuild state when upgrading from 1.x.

UTX Pool Improvements

• Invoke script transactions count towards size limit. waves.utx.max-scripted-size is set to 5000 by default.
• To reduce the amount of logs the node produces under heavy load, execution traces are no longer written to waves.log by default. If you need the traces, define logback.utx-trace.enabled system property either in application.ini, on the command line or in logback.xml to save traces to utx-trace.log. Also waves.log is now rotated when size limit is reached (100 mb by default), in addition to daily rotation.
• When microblock is appended, transactions it contains are removed from pessimistic portfolio.

Miner Improvements

• To improve mining performance, the miner packs unconfirmed transactions in several passes. This ensures that non-scripted transactions are included in the microblock even when scripted transactions pool size limit is reached.
• Default waves.miner.min-micro-block-age has been reduced from 6 seconds to 4 seconds. This will likely reduce the number of orphaned transactions during microforks.

API Changes

• New API has been added which allows requesting transaction statuses in batches. It supports both GET and POST methods:

  GET /transactions/status?id=3qsBVPVRzyfityEo4cpL6ZyAZdXyJ5YQfR2vSeRbvxNy&id=CyvroiVc46ekEtVksmWndS99QSgddMEJozArXEHqKP5r
  POST /transactions/status {"ids": ["3qsBVPVRzyfityEo4cpL6ZyAZdXyJ5YQfR2vSeRbvxNy", "CyvroiVc46ekEtVksmWndS99QSgddMEJozArXEHqKP5r"]

See documentation for more info.

• The node can now render numbers which can potentially have large significand (e.g. balances, amounts, quantites etc.) as strings. To request custom JSON serialization, clients must include the following header in their requests:

  Accept: application/json;large-significand-format=string

See documentation for more info.

• Transactions for address from liquid block are returned in the same order as they were mined.
• Fix callable functions arguments types fetching via /addresses/scriptInfo/{address}/meta.
• Fix decompilation of native function names.
• Add optional receiving of script result trace on transaction broadcast by specifying additional trace=yes parameter.
• Fixed an issue where the node API returned incorrect generating balance

Misc Improvements

• Importer/Exporter shut down gracefully even when metrics are enabled
• Reduced systemd stop timeout
• Improved locking mechanism

SHA256 Checksums

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