• Methods from Wallet API:

    • import_accounts

    • import_account_keys

    • old_key_to_wif

  • Empty and deprecated files.


  • Refactoring describe wallet-API in code.

  • An assert in _apply_block that led to looped attempts to generate the next block.

  • Sidechain log messages.

  • Disabling unnecessary logs:

    • Added handling error JSON-RPC.

  • Minor Dockerfile fixes.

  • Transaction expiration check for head block.

  • The wallet does not end after disconnecting from the node by TLS connection:

    • Added ping pong mechanism for TLS connection.


  • Added ability to call a contract from another x86-64 contract, for x86-64 VM.

  • Refactor ECHO byte types to uint8_t.

  • Modify precompiled contract ecrecover. Returns the account that the recovered evm_address is associated with.

  • Allow users to use asset BTC and ETH on the Echo network without having a pre balance.

  • Update EVM to 1.8.0 version.

Changed data structures

Actual operation order

Actual objects order