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Core Components Changelog

All notable changes to the core components will be documented in this file.

Unreleased

Changed

  • The fee for normal transfers is set as expensive as the fee for transfer_to_new.

Unreleased

  • Removed the limitation on the number of withdrawals in the block.
  • (FeeTicker): Increased gas price estimate for transaction.

Changed

  • prover_run_for_next_commit function uses a parameterized timeout instead of a hard-coded one.

Added

Fixed

Release 2021-01-12

Changed

  • gen_token_add_contract crate is rewritten in ts.
  • Metrics were added to some functions from lib/storage.
  • get_tx_by_hash function was simplified.

Added

  • closest_greater_or_eq_packable_fee_amount and closest_greater_or_eq_packable_token_amount functions. test_float_conversions test was expanded.
  • Loadtest scenario for stressing transaction batches

Removed

  • Sequential Sparse Merkle Tree implementation was removed because it has been replaced by the parallel implementation.

Fixed

  • Bug with to_float function. Now, it really rounds to the closest less or equal float number.
  • Wrong index type used in the database causing some queries to take too much time.

Prior to 2020-12-23

Added

  • A possibility to get an Ethereum tx hash for withdrawal operation.
  • Support for non-standard Ethereum signatures.

Changed

  • Robustness of the fee ticker's API interacting module was increased.
  • Blocks that contain withdraw operations are sealed faster.
  • eth_sender module now can be disabled.
  • Transfer to zero address (0x00..00) is now forbidden in zkSync.
  • WebSocket server now uses more threads for handling incoming requests.

Fixed

  • Bug with delay between receiving a job and starting sending heartbeats.