Chia-Network/chia-blockchain 2.2.0 on GitHub

Version 2.2.0 of the Chia reference client is now available for download! We recommend everyone to upgrade.

This release comes packed with a number of new features and enhancements, which we have divided into three categories:

Thanks to @bhorvitz for major help debugging a performance issue during coin DB lookup

Fix TX amount calculation in trade manager (fixes #16842)
Subscribe to DIDs that come into wallet (fixes #17242)
Remove duplicate short option from make_offer command (fixes #17371)
add SerializedProgram.to() to simplify some code
include information for setuptools_scm in git archives
fix type mismatch with Optional[bytes] and bytes in wallet/conditions.py
fixed typo in get_coin_record_by_name docstring (thanks @Abakrombie)
Fixed readme links (thanks @Abakrombie)
DL: Don't allow mirrors with empty urls (fixes #16920)
DL: Improve input for CLI add_missing_files (fixes #17039)
DL: Use unsubscribe queue to relax subscriptions lock
DL: Use Datalayer banning logic for HTTP download failures
extend the mempool tests for timelocks, and improve error codes
extend measured sizes for plot check with value for larger K sizes (thanks @neurosis69)
Add a few missing type annotations
Log string header_hash on long validation warnings
Fix sorted for dictionary keys of both bytes/xch
Fixed an issue where chia wallet did transfer command mistreats the type of fee
Fix signage point message for remote harvesters with large numbers of pools
undo BlockRecord cache insert, when DB fails
Warn if running install-plotter.sh as root

Support for third-party, farmer-rewarded, Harvesters (Chip-22)
Singleton fast forward
Verify p2 delegated conditions signatures and add a new SigningMode for Tangem cards (thanks @MarvinQuevedo)
DL: add upsert action
DL: Add support for generating and verifying DataLayer Proofs of Inclusions get_proof and verify_proof
Improve transparency of what full nodes are doing and where they spend their time with additional Mempool logging
add feature to profile just the block validation
Add --override flag to make_offer
Add full node RPC get_aggsig_additional_data to get the aggsig additional data
Add fork height & rolled_back_records to block event for metrics
extend Block validation timing logs to measure just the CLVM and conditions
Add support for defining a list of full node peers to connect to (thanks @felixbrucker)
Add preliminary support for getting coin states in batches
improve mempool reorg logic when the peak is a non-transaction block
Add additions and removals to get_offer_summary API response (thanks @mikehw)
improve handling of UnfinishedBlocks
Add testnet11 constants to config if missing when configuring to run on testnet
We have added several new translations in this release. Thanks to WNFT, advlive, hezoushe

reorg optimizations
bump chia_rs to 0.4.1
initiate phasing out of the coin_solutions name in JSON structs
slight simplification to get_min_fee_rate()
Remove coin_solutions from SpendBundle entirely
use rust types for VDFInfo, VDFProof and ClassgroupElement
evict entries continuously from seen_unfinished_blocks
move tools/legacy_keyring.py to chia/legacy/keyring.py
Rust proof-of-space, reward chain and foliage types
DL: Compress get_keys_values output by hash.
replace hardcoded value for db_readers (thanks @neurosis69)
use rust types for slots, SubEpochSummary and SubEpochData
Update default testnet to testnet11
remove old work-around for a bug in version 1.1.4 and earlier
use rust implementation of SerializedProgram
Rework block fill logic to fill blocks with more SpendBundles (transactions)
fix typo in logging
increase farmer block fill rate to 60%
Force the use of coin_puzzle_hash index to get_unspent_lineage_info_for_puzzle_hash

GUI Changes

Fixed some issues related to plotting (Chia-Network/chia-blockchain-gui#2245, Chia-Network/chia-blockchain-gui#2253)
Added the ability to set a fee when using Wallet Connect createOfferForIds (thanks @Ganbin)