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@wallentx wallentx released this 20 Sep 18:53
1.6.0
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1.6.0 is now available for download. This release is largely focused on providing a new primitive called DataLayer for developers. We also have added a new feature enabling dust filtering when syncing a wallet.

Key features of DataLayer include:

Key Value Store

  • Tabular data can be stored as key/value pairs
  • Keys and values of each row are stored as binary and can be any data type, including for example JSON
  • The hash of the table (“root”) is stored in a singleton on chain

Data Propagation

  • Datalayer data can be hosted by most/any HTTP server, including cloud providers like AWS, Azure, GCP
  • Support for multiple URL mirrors of the data. Mirror URLs are announced on-chain to enable automatic discovery
  • Includes a basic HTTP server with Chia
  • Anyone can participate in ensuring the durability of blockchain data by hosting a mirror

Proof Of Inclusion

  • The Chia DataLayer singleton can be spent by its owner in a way that cryptographically proves the inclusion of a particular row (or multiple rows), specified by the hash of the data in that row

Two-Party Commit

  • Using DataLayer offer files and proofs of inclusion, two people can coordinate a simultaneous (“atomic”) update of their respective data

For end users:

Dust filtering

This is a new feature for end users that enables a wallet sync to ignore dust when calculating wallet balances. This benefits dusted wallets by further improving wallet sync speed through trusted or untrusted sync. After the first 200 transactions, the wallet will ignore coins below the dust size of 1 million mojos. Both the dust size threshold and the number of transactions are configurable in config.yaml. When dust is filtered the coin values do not show up in any transaction list and will also result in balances being calculated without the value of the dust being filtered. See our FAQ for more details.

Added

Changed

  • Delayed pool config update until after sync
  • Minor change to handling sync height to avoid race condition with blockchain DB
  • Ignore FileNotFoundError when checking SSL file permissions if the file doesn’t exist

Fixed

  • Fixed missing wallet state_changed events for GUI
  • Fixed several bugs related to wallet sync status
  • Fixed GUI issue for CAT offers where the CAT Tail would not show in the tooltip for Unknown CATs (Chia-Network/chia-blockchain-gui#950)

Known Issues

  • The CLI command chia configure --enable-data-server, and the config.yaml parameter at data_layer.run_server have no effect, and will be removed in the future
  • DataLayer offers cannot be accepted (take_offer) if the offer has inclusions for the exact same key/value data for both maker and taker inclusions.
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