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Kris Nuttycombe d6d3be9bf2 Allow deprecated wallet features to be preemptively disabled.
This adds an `-allowdeprecated` CLI parameter whose value is a flag
indicating a deprecated feature that should be explicitly enabled.
Multiple instances of this argument may be provided. In the case that
this parameter is not provided, all currently deprecated RPC methods
that are not slated for removal in the next release remain available.
A user may disable all deprecated features entirely by providing the
string "none" as the argument to this parameter, or enable all
deprecated features, including those slated for removal, by providing
the string "all" as the argument to this parameter. In the case that
"all" or "none" is specified, multiple invocations of `-allowdeprecated`
are not permitted.

To explicitly enable only a specific set of deprecated features, use
`-allowdeprecated=<flag1> -allowdeprecated=<flagN> ...` when starting
zcashd. The following flags are recognized:

- "all" - enables all deprecated features.
- "none" - disables all deprecated features.
- "legacy_privacy" - enables the use of the deprecated "legacy" privacy
  policy for z_sendmany. This causes the default behavior to conform to
  the `FullPrivacy` directive in all cases instead of just for
  transactions involving unified addresses.
- "getnewaddress" - enables the `getnewaddress` RPC method.
- "z_getnewaddress" - enables the `z_getnewaddress` RPC method.
- "zcrawreceive" - enables the `zcrawreceive` RPC method.
- "zcrawjoinsplit" - enables the `zcrawjoinsplit` RPC method.
- "zcrawkeygen" - enables the `zcrawkeygen` RPC method.
- "addrtype" - when this option is set, the deprecated `type` attribute
  is returned in addition to `pool` or `address_type` (which contain the
  same information) in the results of RPC methods that return address metadata.
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Makefile.am Include $(bin_SCRIPTS) in `check-symbols`, `check-security`, and `clean` targets. 2022-03-13 22:53:29 +00:00
README.md make-release.py: Versioning changes for 4.7.0. 2022-04-13 21:48:12 -06:00
SECURITY.md Rename responsible_disclosure.md to SECURITY.md 2021-02-18 23:38:32 +00:00
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configure.ac make-release.py: Versioning changes for 4.7.0. 2022-04-13 21:48:12 -06:00
libzcash_script.pc.in Rename libzcashconsensus.la -> libzcash_script.la 2021-01-25 22:20:25 +00:00
rust-toolchain depends: Update Rust to 1.59.0 2022-03-01 00:09:18 +00:00

README.md

Zcash 4.7.0

What is Zcash?

Zcash is an implementation of the "Zerocash" protocol. Based on Bitcoin's code, Zcash intends to offer a far higher standard of privacy through a sophisticated zero-knowledge proving scheme that preserves confidentiality of transaction metadata. More technical details are available in our Protocol Specification.

This software is the Zcash client. It downloads and stores the entire history of Zcash transactions; depending on the speed of your computer and network connection, the synchronization process could take a day or more once the blockchain has reached a significant size.

🔒 Security Warnings

See important security warnings on the Security Information page.

Zcash is experimental and a work in progress. Use it at your own risk.

📒 Deprecation Policy

This release is considered deprecated 16 weeks after the release day. There is an automatic deprecation shutdown feature which will halt the node some time after this 16-week period. The automatic feature is based on block height.

Getting Started

Please see our user guide for joining the main Zcash network.

Need Help?

  • 📘 See the documentation at the ReadTheDocs for help and more information.
  • 📨 Ask for help on the Zcash forum.
  • 💬 Join our community on Discord

Participation in the Zcash project is subject to a Code of Conduct.

Building

Build Zcash along with most dependencies from source by running the following command:

./zcutil/build.sh -j$(nproc)

Currently, Zcash is only officially supported on Debian and Ubuntu. See the Debian / Ubuntu build for detailed instructions.

License

For license information see the file COPYING.