Update versions and release notes.
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Zcash Core 0.11.2.z2
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Zcash Core 0.11.2.z3
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====================
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[Zcash](https://z.cash/) is the Zcash client. It downloads and stores the entire history of Zcash transactions (which is currently several GBs); depending on the speed of your computer and network connection, the synchronization process can take anywhere from a few hours to a day or more.
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Daira Hopwood (1):
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zkSNARK: Add constraint that the total value in a JoinSplit is a 64-bit integer.
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Nathan Wilcox (4):
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Add a depends description for googletest.
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Add a zcash-gtest binary to our build with a single tautological test.
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Add coverage support scoped to only the zcash-gtest run; invoke with make zcash-cov; make cov is a superset.
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Add googlemock 1.7.0 dependency.
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Sean Bowe (49):
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Add serialization for primitive boost::optional<T>.
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New implementation of incremental merkle tree
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Integrate new incremental merkle tree implementation into consensus.
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Test old tree along with new tree as much as possible.
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Deprecate the old tree and remove old tree tests from the test suite.
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Initialize curve/field parameters in case another test hasn't done so.
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Improve well-formedness checks and add additional serialization/deserialization tests.
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Add more well-formedness checks/tests to tree.
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Make appending algorithm more succinct.
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Move incremental merkle tree tests to zcash-gtest.
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NoteEncryption implementation and integration, removal of ECIES and crypto++ dependencies.
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Move NoteEncryption tests to gtest suite.
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Add additional tests for ephemeral key behavior.
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Clarify the usage of decryption API.
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Check exception has specific string message.
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Small nit fixes
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Run `zcash-gtest` in `make check` and fix performance tests.
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Perform zerocash tests as part of full-test-suite, in preparation for removal of zerocash waterfall.
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Distinguish the failure cases of wfcheck in tree.
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Change ciphertext length to match protocol spec, and refactor the use of constants.
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Initialize libsodium in the gtest suite.
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Introduce new `libzcash` Zcash protocol API and crypto constructions surrounding the zkSNARK circuit.
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zkSNARK: Foundations of circuit design and verification logic.
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zkSNARK: Add "zero" constant variable.
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zkSNARK: Enforce spend-authority of input notes.
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zkSNARK: Enforce disclosure of input note nullifiers
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zkSNARK: Authenticate h_sig with a_sk
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zkSNARK: Enforce that new output notes have unique `rho` to prevent faerie gold attack.
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zkSNARK: Enforce disclosure of commitments to output notes.
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zkSNARK: Ensure that values balance correctly.
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zkSNARK: Witness commitments to input notes.
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zkSNARK: Enforce merkle authentication path from nonzero-valued public inputs to root.
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libzcash: Add tests for API
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Remove scriptPubKey/scriptSig from CPourTx, and add randomSeed.
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Transplant of libzcash.
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Added public zkSNARK parameter generation utility.
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Stop testing old tree against new tree.
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Remove nearly all of libzerocash.
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Update public zkSNARK parameters for new circuit.
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Fix performance measurements due to modified transaction structure.
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Remove the zerocash tests from the full test suite.
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Protect-style joinsplits should anchor to the latest root for now, until #604 is resolved.
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Use inheritance for PRF gadgets.
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Rename ZCASH_ constants to ZC_.
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Rename hmac -> mac in circuit.
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`Note` values should be little-endian byte order.
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Update zkSNARK proving/verifying keys.
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Add h_sig test vectors.
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Change testnet network magics.
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Taylor Hornby (7):
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Add check that vpubs are not both nonzero and test it.
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Fix sighash tests
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Add empty merkle/noteencryption tests so Sean can rebase.
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Fix RPC tests
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Rename bitcoin.conf and bitcoind.pid to zcash.conf and zcashd.pid in qa/ and src/
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Trivial change: Capitalize the Z in Zerocash
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Remove the Merkle tree hash function's fixed point.
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@ -1,60 +1,73 @@
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Release Process
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====================
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Meta: There should always be a single release engineer to disambiguate responsibility.
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### Define the release version as:
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$ ZCASH_RELEASE=${UPSTREAM_VERSION}.z${ZCASH_RELEASE_COUNTER}
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## A. Define the release version as:
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$ ZCASH_RELEASE=${UPSTREAM_VERSION}.z${ZCASH_RELEASE_COUNTER}
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Example:
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$ ZCASH_RELEASE=0.11.2.z2
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$ ZCASH_RELEASE=0.11.2.z2
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Also, the following commands use the ZCASH_RELEASE_PREV bash variable for the previous release:
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Also, the following commands use the ZCASH_RELEASE_PREV bash variable
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for the previous release:
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$ ZCASH_RELEASE_PREV=0.11.2.z1
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## B. create a new release branch / github PR
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### B1. update (commit) version in sources
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$ ZCASH_RELEASE_PREV=0.11.2.z1
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### update (commit) version in sources
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doc/README.md
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src/clientversion.h
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In clientverion.h change CLIENT_VERSION_IS_RELEASE to false while Zcash
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doc/README.md
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In `clientversion.h` change CLIENT_VERSION_IS_RELEASE to false while Zcash
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is in alpha-test phase.
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### write release notes
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### B2. write release notes
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git shortlog helps a lot, for example:
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$ git shortlog --no-merges v${ZCASH_RELEASE_PREV}..HEAD \
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> ./doc/release-notes/release-notes-${ZCASH_RELEASE}.md
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### B3. merge the previous changes
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### merge the previous changes
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Do the normal pull-request, review, testing process for this release PR.
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Do the normal pull-request, review, testing process.
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## C. Verify code artifact hosting
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### make tags / release-branch for the newly merged result
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### C1. Ensure depends tree is working
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http://ci.leastauthority.com:8010/builders/depends-sources
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### C2. Ensure public parameters work
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Run `./fetch-params.sh`.
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## D. make tags / release-branch for the newly merged result
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In this example, we ensure zc.v0.11.2.latest is up to date with the
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previous merged PR, then:
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$ git tag v${ZCASH_RELEASE}
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$ git tag v${ZCASH_RELEASE}
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$ git branch zc.v${ZCASH_RELEASE}
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$ git push origin v${ZCASH_RELEASE}
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$ git push origin zc.v${ZCASH_RELEASE}
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### update github default branch to this new release branch
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### write / publish a release announcement
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### celebrate
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### missing steps
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## E. update github default branch to this new release branch
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## F. write / publish a release announcement
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## G. deploy testnet
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## H. write and publish appropriate announcements (blog, zcash-dev, slack)
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## I. celebrate
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## missing steps
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Zcash still needs:
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a. deterministic build
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b. signatured tags
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c. thorough pre-release testing (presumably more thorough than standard PR tests)
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d. release deployment steps (eg: updating build-depends mirror, deploying testnet, etc...)
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e. proper zcash-specific versions and names in software and documentation.
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* deterministic build
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* signatured tags
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* thorough pre-release testing (presumably more thorough than standard PR tests)
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* release deployment steps (eg: updating build-depends mirror, deploying testnet, etc...)
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* proper zcash-specific versions and names in software and documentation.
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