Update changelog for release

Author: ValarDragon

.github/workflows/linkify_changelog.yml

@@ -0,0 +1,20 @@
+name: Linkify Changelog
+
+on:
+  workflow_dispatch
+
+jobs:
+  linkify:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Add links
+      run: python3 scripts/linkify_changelog.py CHANGELOG.md
+    - name: Commit
+      run: |
+          git config user.name github-actions
+          git config user.email [email protected]
+          git add .
+          git commit -m "Linkify Changelog"
+          git push

CHANGELOG.md

@@ -1,34 +1,34 @@
-## Pending
+## v0.2.0
 
 ### Breaking changes
-- #12 Make the output of the `ToBitsGadget` impl for `FpVar` fixed-size
-- #48 Add `Clone` trait bound to `CondSelectGadget`.
+- [\#12](https://github.com/arkworks-rs/r1cs-std/pull/12) Make the output of the `ToBitsGadget` impl for `FpVar` fixed-size
+- [\#48](https://github.com/arkworks-rs/r1cs-std/pull/48) Add `Clone` trait bound to `CondSelectGadget`.
 
 ### Features
-- #21 Add `UInt128`
-- #50 Add `DensePolynomialVar`
+- [\#21](https://github.com/arkworks-rs/r1cs-std/pull/21) Add `UInt128`
+- [\#50](https://github.com/arkworks-rs/r1cs-std/pull/50) Add `DensePolynomialVar`
 
 ### Improvements
-- #5 Speedup BLS-12 pairing
-- #13 Add `ToConstraintFieldGadget` to `ProjectiveVar`
-- #15, #16 Allow `cs` to be `None` when converting a Montgomery point into a Twisted Edwards point
-- #20 Add `CondSelectGadget` impl for `UInt`s
-- #22 Reduce density of `three_bit_cond_neg_lookup`
-- #23 Reduce allocations in `UInt`s
-- #33 Speedup scalar multiplication by a constant
-- #35 Construct a `FpVar` from bits
-- #36 Implement `ToConstraintFieldGadget` for `Vec<Uint8>`
-- #40, #43 Faster scalar multiplication for Short Weierstrass curves by relying on affine formulae
-- #46 Add mux gadget as an auto-impl in `CondSelectGadget` to support random access of an array
+- [\#5](https://github.com/arkworks-rs/r1cs-std/pull/5) Speedup BLS-12 pairing
+- [\#13](https://github.com/arkworks-rs/r1cs-std/pull/13) Add `ToConstraintFieldGadget` to `ProjectiveVar`
+- [\#15](https://github.com/arkworks-rs/r1cs-std/pull/15), #16 Allow `cs` to be `None` when converting a Montgomery point into a Twisted Edwards point
+- [\#20](https://github.com/arkworks-rs/r1cs-std/pull/20) Add `CondSelectGadget` impl for `UInt`s
+- [\#22](https://github.com/arkworks-rs/r1cs-std/pull/22) Reduce density of `three_bit_cond_neg_lookup`
+- [\#23](https://github.com/arkworks-rs/r1cs-std/pull/23) Reduce allocations in `UInt`s
+- [\#33](https://github.com/arkworks-rs/r1cs-std/pull/33) Speedup scalar multiplication by a constant
+- [\#35](https://github.com/arkworks-rs/r1cs-std/pull/35) Construct a `FpVar` from bits
+- [\#36](https://github.com/arkworks-rs/r1cs-std/pull/36) Implement `ToConstraintFieldGadget` for `Vec<Uint8>`
+- [\#40](https://github.com/arkworks-rs/r1cs-std/pull/40), #43 Faster scalar multiplication for Short Weierstrass curves by relying on affine formulae
+- [\#46](https://github.com/arkworks-rs/r1cs-std/pull/46) Add mux gadget as an auto-impl in `CondSelectGadget` to support random access of an array
 
 ### Bug fixes
-- #8 Fix bug in `three_bit_cond_neg_lookup` when using a constant lookup bit
-- #9 Fix bug in `short_weierstrass::ProjectiveVar::to_affine` 
-- #29 Fix `to_non_unique_bytes` for `BLS12::G1Prepared`
-- #34 Fix `mul_by_inverse` for constants
-- #42 Fix regression in `mul_by_inverse` constraint count
-- #47 Compile with `panic='abort'` in release mode, for safety of the library across FFI boundaries
-- #57 Clean up `UInt` docs
+- [\#8](https://github.com/arkworks-rs/r1cs-std/pull/8) Fix bug in `three_bit_cond_neg_lookup` when using a constant lookup bit
+- [\#9](https://github.com/arkworks-rs/r1cs-std/pull/9) Fix bug in `short_weierstrass::ProjectiveVar::to_affine`
+- [\#29](https://github.com/arkworks-rs/r1cs-std/pull/29) Fix `to_non_unique_bytes` for `BLS12::G1Prepared`
+- [\#34](https://github.com/arkworks-rs/r1cs-std/pull/34) Fix `mul_by_inverse` for constants
+- [\#42](https://github.com/arkworks-rs/r1cs-std/pull/42) Fix regression in `mul_by_inverse` constraint count
+- [\#47](https://github.com/arkworks-rs/r1cs-std/pull/47) Compile with `panic='abort'` in release mode, for safety of the library across FFI boundaries
+- [\#57](https://github.com/arkworks-rs/r1cs-std/pull/57) Clean up `UInt` docs
 
 ## v0.1.0
 

scripts/linkify_changelog.py

@@ -0,0 +1,31 @@
+import re
+import sys
+import fileinput
+import os
+
+# Set this to the name of the repo, if you don't want it to be read from the filesystem.
+# It assumes the changelog file is in the root of the repo.
+repo_name = ""
+
+# This script goes through the provided file, and replaces any " \#<number>",
+# with the valid mark down formatted link to it. e.g.
+# " [\#number](https://github.com/arkworks-rs/template/pull/<number>)
+# Note that if the number is for a an issue, github will auto-redirect you when you click the link.
+# It is safe to run the script multiple times in succession. 
+#
+# Example usage $ python3 linkify_changelog.py ../CHANGELOG.md
+if len(sys.argv) < 2:
+    print("Must include path to changelog as the first argument to the script")
+    print("Example Usage: python3 linkify_changelog.py ../CHANGELOG.md")
+    exit()
+
+changelog_path = sys.argv[1]
+if repo_name == "":
+    path = os.path.abspath(changelog_path)
+    components = path.split(os.path.sep)
+    repo_name = components[-2]
+
+for line in fileinput.input(inplace=True):
+    line = re.sub(r"\- #([0-9]*)", r"- [\\#\1](https://github.com/arkworks-rs/" + repo_name + r"/pull/\1)", line.rstrip())
+    # edits the current file
+    print(line)