Home Coins Zcash (ZEC) New Launch: 2.1.2 - Electrical Coin Firm

New Launch: 2.1.2 – Electrical Coin Firm


Heartwood testnet activation

This launch helps the activation of Heartwood on testnet, with an activation peak of 903800, slated to happen on Might 6, 2020. Please improve to this launch, or any subsequent launch, to be able to comply with the Heartwood community improve on testnet.

This launch does not help activation of Heartwood on mainnet. With a purpose to comply with the Heartwood improve on mainnet you’ll nonetheless must improve to three.0.0 (or a later model) when it’s launched within the coming month.

The Heartwood community improve deploys ZIP 213, which permits miners to mine immediately into shielded addresses. It additionally deploys ZIP 221, enabling Flyclient help by altering the semantics of current block header fields. The deployment course of for the Heartwood improve is described in ZIP 250.

Testnet: Mining to Sapling addresses

After the activation of Heartwood on testnet, miners will be capable to instantly protect funds to Sapling addresses within the coinbase transactions which mint new testnet cash (TAZ).

This launch offers the power for miners to specify mineraddress=SAPLING_ADDRESS of their zcash.conf file, the place SAPLING_ADDRESS is a Sapling cost deal with that they will acquire utilizing z_getnewaddress. Nevertheless, miners ought to wait till Heartwood has activated on testnet earlier than making this variation to their configuration file, or else getblocktemplate will return block templates that can not be mined.

Sapling viewing key help

This launch offers help for Sapling viewing keys (particularly, the prolonged viewing keys described in ZIP 32) within the pockets. Nodes will observe each despatched and obtained transactions for any Sapling addresses related to the Sapling viewing keys which were imported into the pockets.

  • Use the z_exportviewingkey RPC methodology to acquire the viewing key for a shielded deal with in a node’s pockets. For Sapling addresses, these at all times start with “zxviews” (or “zxviewtestsapling” for testnet addresses).
  • Use z_importviewingkey to import a viewing key into one other node. Imported Sapling viewing keys will likely be saved within the pockets, and remembered throughout restarts.
  • z_getbalance will present the steadiness of a Sapling deal with related to an imported Sapling viewing key. Balances for Sapling viewing keys will likely be included within the output of z_gettotalbalance when the includeWatchonly parameter is ready to true.
  • RPC strategies for viewing shielded transaction info (corresponding to z_listreceivedbyaddress) will return info for Sapling addresses related to imported Sapling viewing keys.

Particulars about what info might be considered with these Sapling viewing keys, and what ensures you could have about that info, might be present in ZIP 310.

View shielded info in pockets transactions

This launch introduces the z_viewtransaction RPC command. This command, given a transaction ID, will decrypt the transaction with all Sapling keys within the native pockets and return the shielded info that it will possibly get better, together with

  • The deal with that every notice belongs to
  • Values in each decimal ZEC/TAZ and zatoshis
  • The ID of the transaction that every spent notice was obtained in
  • An outgoing flag on every new notice, which will likely be true if the output isn’t for an deal with within the pockets
  • A memoStr discipline for every new notice, containing its textual content memo (if its memo discipline incorporates a sound UTF-Eight string)

Different modifications

  • The -maxtimeadjustment possibility has been eliminated; node operators ought to guarantee their node’s native time is configured correctly.
  • Error messages for transactions which are rejected throughout community upgrades are extra clear.
  • We’ve launched a -txexpirynotify possibility which, just like the -blocknotify config possibility, will carry out the configured command at any time when a transaction expires within the mempool.
  • The z_importkey and z_importviewingkey RPC strategies now return the kind of the imported spending or viewing key (Sprout or Sapling) and the corresponding cost deal with.
  • Damaging heights at the moment are permitted in getblock and getblockhash, to pick blocks backwards from the chain tip. A peak of -1 corresponds to the final identified legitimate block on the primary chain.
  • A brand new RPC methodology getexperimentalfeatures returns the listing of enabled experimental options.

 

Extra particulars concerning the modifications on this launch might be discovered within the launch notes.

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