16f90b06e8
One test in AcceptToMemoryPool was to compare a transaction's fee agains the value returned by GetMinRelayFee. This value was zero for all small transactions. For larger transactions (between DEFAULT_BLOCK_PRIORITY_SIZE and MAX_STANDARD_TX_SIZE), this function was preventing low fee transactions from ever being accepted. With this function removed, we will now allow transactions in that range with fees (including modifications via PrioritiseTransaction) below the minRelayTxFee, provided that they have sufficient priority. (cherry picked from commit bitcoin/bitcoin@901b01d674) Zcash: Take the upstream commit message (in particular the references to priority) with a pinch of salt, since we're going to be removing priority in the backport of bitcoin/bitcoin#9602 . The main reason to include this commit is that it removes `GetMinRelayFee`, which is assumed to have happened before bitcoin/bitcoin#9602 . Note that Zcash doesn't have upstream's `-maxmempool` parameter; it uses ZIP 401 for mempool size limiting instead. Signed-off-by: Daira Emma Hopwood <daira@jacaranda.org> |
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README.md
Zcash 5.4.2
What is Zcash?
Zcash is an implementation of the "Zerocash" protocol. Initially based on Bitcoin's design, 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.
The zcashd Full Node
This repository hosts the zcashd software, a Zcash consensus node
implementation. 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 several days.
The zcashd code is derived from a source fork of
Bitcoin Core. The code was forked
initially from Bitcoin Core v0.11.2, and the two codebases have diverged
substantially.
🔒 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.
Other Zcash Implementations
The Zebra project offers a different Zcash consensus node implementation, written largely from the ground up.
Getting Started
Please see our user guide for instructions on 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.