CHANGELOG.md

Changelog

0.18.0 (2023-10-25)

⚠ BREAKING CHANGES

• expose pedersen hash in acir and bb solver (#3269)
• Switch to new pedersen implementation (#3151)

Features

• Add crate for pub modifier (#3271) (e7a1a1a)
• Cache debug artifacts (#3133) (c5a6229)
• debugger: Print limited source code context (#3217) (dcda1c7)
• Expose pedersen hash in acir and bb solver (#3269) (0108b6c)
• Implement bound_constraint_with_offset in terms of AcirVars (#3233) (8d89cb5)
• Implement euclidean division and signed division in terms of AcirVars (#3230) (b8b7782)
• Noir-wasm takes dependency graph (#3213) (a2c8ebd)
• Replace boolean range constraints with arithmetic opcodes (#3234) (949222c)
• stdlib: Optimize constraint counts in sha256/sha512 (#3253) (d3be552)
• Switch to new pedersen implementation (#3151) (35fb3f7)

Bug Fixes

• Add size checks to integer literals (#3236) (7f8fe8c)
• Fix lexer error formatting (#3274) (74bd517)
• Impl methods are no longer placed in contracts (#3255) (b673b07)
• Recompile artefacts from a different noir version (#3248) (7347b27)
• Show println output before an error occurs in nargo execute (#3211) (2f0b80d)

0.17.0 (2023-10-20)

⚠ BREAKING CHANGES

• Pass ACIR to ACVM by reference rather than passing ownership (#2872)
• Make for loops a statement (#2975)
• traits: trait functions with a default implementation must not be followed by a semicolon (#2987)
• wasm: improve and simplify wasm compiler interface (#2976)
• wasm: update wasm artifacts to match cli artifacts (#2973)

Features

• acir: Set dynamic array values (#3054) (e871866)
• acvm: Separate ACVM optimizations and transformations (#2979) (5865d1a)
• Add destroy method to Noir (#3105) (7e40274)
• Add execute method to Noir class (#3081) (17bdd7e)
• Add ACIR serializer C++ codegen (#2961) (7556982)
• Add an options object to BarretenbergBackend constructor (#3105) (7e40274)
• Add aztec selectors for event structs (#2983) (982380e)
• Add conditional compilation of methods based on the underlying field being used (#3045) (2e008e2)
• Add experimental REPL-based debugger (#2995) (281c696)
• Add JS types for ABI and input maps (#3023) (599e7a1)
• debugger: Highlight current src code loc (#3174) (6b87582)
• Format infix expressions (#3001) (7926ada)
• formatter: Add formatter support for array literals (#3061) (a535321)
• Implement automatic dereferencing for index expressions (#3082) (8221bfd)
• Implement automatic dereferencing for indexing lvalues (#3083) (6e2b70a)
• Implement impl specialization (#3087) (44716fa)
• lsp: Add "info" codelens (#2982) (80770d9)
• Nargo test runtime callstacks and assert messages without string matching (#2953) (1b6a4e6)
• Old docs issues (#3195) (26746c5)
• Optimize euclidean division acir-gen (#3121) (2c175c0)
• Pass ACIR to ACVM by reference rather than passing ownership (#2872) (b3a9c34)
• Pass brillig bytecode to VM by reference (#3030) (4ee290b)
• Prevent unnecessary witness creation in euclidean division (#2980) (c6f660e)
• Provide formatting subcommand (#2640) (a38b15f)
• Publish aztec build of noir_wasm (#3049) (3b51f4d)
• Remove unnecessary truncation of boolean multiplication (#3122) (39dbcf1)
• Return compilation errors from noir_wasm (#3091) (55f63c9)
• Reuse witnesses which have been assigned constant values during ACIR gen (#3137) (9eb43e2)
• Save Brillig execution state in ACVM (#3026) (88682da)
• Solve fixed_base_scalar_mul black box functions in rust (#3153) (1c1afbc)
• traits: Add impl Trait as function return type #2397 (#3176) (4cb2024)
• traits: Add trait impl for buildin types (#2964) (2c87b27)
• traits: Added checks for duplicated trait associated items (types, consts, functions) (#2927) (d49492c)
• traits: Allow multiple traits to share the same associated function name and to be implemented for the same type (#3126) (004f8dd)
• traits: Improve support for traits static method resolution (#2958) (0d0d8f7)
• wasm: Improve and simplify wasm compiler interface (#2976) (1b5124b)
• wasm: Update wasm artifacts to match cli artifacts (#2973) (ce16c0b)

Bug Fixes

• ACIR optimizer should update assertion messages (#3010) (758b6b6)
• Add pub modifier to grumpkin functions (#3036) (f8990d7)
• Add compiler error message for invalid input types (#3220) (989e80d)
• Allow constructors in parentheses in if conditions and for ranges (#3219) (ad192d1)
• Allow two TypeVariable::Constant(N) to unify even if their constants are not equal (#3225) (cc4ca4b)
• Change non-constant argument errors from to_be_radix from ICE to proper error (#3048) (19ce286)
• Check for overflow with hexadecimal inputs (#3004) (db1e736)
• Complete debug metadata (#3228) (2f6509d)
• Determinism of fallback transformer (#3100) (12daad1)
• Disable modulo for fields (#3009) (7e68976)
• Disallow returning constant values (#2978) (79c2e88)
• Do not perform dead instruction elimination on mod,div unless rhs is constant (#3141) (af3d771)
• docs: Update editUrl path for docusaurus (#3184) (4646a93)
• Download expected bb version if installed backend has version mismatch (#3150) (3f03435)
• Fix aztec library after nargo fmt (#3014) (f43083c)
• Fix method program_counter, change method signature (#3012) (5ea522b)
• Fix panic when using repeated arrays which define variables (#3221) (c4faf3a)
• Include .nr and .sol files in builds (#3039) (ae8d0e9)
• Make for loops a statement (#2975) (0e266eb)
• Minor problems with aztec publishing (#3095) (0fc8f20)
• Parse parenthesized lvalues (#3058) (50ca58c)
• Prevent duplicated assert message transformation (#3038) (082a6d0)
• Prevent mutating immutable bindings to mutable types (#3075) (d5ee20e)
• Return error rather than panicking on unreadable circuits (#3179) (d4f61d3)
• traits: Trait functions with a default implementation must not be followed by a semicolon (#2987) (a3593c0)
• Transform hir before type checks (#2994) (a29b568)
• Update link to recursion example (#3224) (10eae15)

0.16.0 (2023-10-03)

⚠ BREAKING CHANGES

• Maintain shape of foreign call arguments (#2935)

Features

• abi: Tuples as inputs/outputs to main (#2899) (d8bd78f)
• acvm_js: Export black box solver functions (#2812) (da8a98e)
• Add bb interface implementation (#2902) (fe92dc0)
• Add noir types package (#2893) (e8fc868)
• Dynamic indexing of non-homogenous slices (#2883) (72c3661)
• Maintain shape of foreign call arguments (#2935) (f7869e6)
• Oracle mocker for nargo test (#2928) (0dd1e77)
• ssa: Multiple slice mergers (#2753) (8f76fe5)
• traits: Multi module support for traits (#2844) (4deb07f)

Bug Fixes

• Fix should_fail_with (#2940) (4f07b84)
• Force recompilation when output_debug flag is set. (#2898) (9854416)
• Improve error message when multiplying unit values (#2950) (57b7c55)
• println: Enable printing of arrays/strings >2 in fmt strings (#2947) (309fa70)

0.15.0 (2023-09-28)

⚠ BREAKING CHANGES

• update to bb version 0.7.3 (#2729)

Features

• Contract events in artifacts (#2873) (4765c82)

Bug Fixes

• Finer bit size in bound constrain (#2869) (68385e2)

Miscellaneous Chores

• Update to bb version 0.7.3 (#2729) (fce68d1)

0.14.1 (2023-09-27)

Bug Fixes

• Remove cast for field comparisons in brillig (#2874) (1fc1fdb)
• Remove duplication of code to load stdlib files (#2868) (b694aab)

0.14.0 (2023-09-26)

⚠ BREAKING CHANGES

• noir_js: Rename inner and outer proof methods (#2845)
• generateWitness now returns a serialized witness file (#2842)
• Issue an error when a module is declared twice & fix module search path (#2801)
• Default integers to u64 (#2764)

Features

• abi: Throw errors rather than returning string from noirc_abi_wasm (#2817) (df7b42c)
• acir: Enable dynamic indices on non-homogenous arrays (#2703) (622d2e4)
• Default integers to u64 (#2764) (01cb041)
• Implement string escape sequences (#2803) (f7529b8)
• Remove redundant predicate from brillig quotients (#2784) (a8f18c5)
• traits: Implement trait bounds typechecker + monomorphizer passes (#2717) (5ca99b1)

Bug Fixes

• acvm: Return false rather than panicking on invalid ECDSA signatures (#2783) (155abc0)
• Conditionally run the "Create or Update PR" step in acir artifacts rebuild workflow (#2849) (63da875)
• Error message for assigning the wrong type is backwards #2804 (#2805) (b2d62bf)
• Fix panic in some cases when calling a private function (#2799) (078d5df)
• Fix subtract with underflow in flattening pass (#2796) (f2ed505)
• frontend: Error on unsupported integer annotation (#2778) (90c3d8b)
• Issue an error when a module is declared twice & fix module search path (#2801) (7f76910)
• Lack of cjs package version (#2848) (adc2d59)
• Silence unused variable warnings in stdlib (#2795) (5747bfe)
• Split conditional_regression tests (#2774) (8ed8832)
• ssa: Do not replace previously constrained values (#2647) (d528844)

Miscellaneous Chores

• generateWitness now returns a serialized witness file (#2842) (57d3f37)
• noir_js: Rename inner and outer proof methods (#2845) (71dbbb8)

0.13.0 (2023-09-21)

⚠ BREAKING CHANGES

• constrain is now a hard error (#2758)

Features

• Add pub modifier (#2754) (dda964e)
• Add support for attributes on structs (#2733) (7b3df8e)
• Add wrapping functions in stdlib and use them in relevant test cases (#2725) (49ab121)
• aztec-noir: Abstract storage (#2750) (5481344)
• Constrain is now a hard error (#2758) (388a2b1)
• Refine Noir.js API (#2732) (e79f1ed)
• Short-circuit compilation and read build artifacts from file if program is unchanged (#2743) (87fea4b)
• Signed arithmetic (#2748) (a84216d)
• traits: Implement trait bounds def collector + resolver passes (#2716) (e3d18bb)
• traits: Type checking for Trait impl method signatures (#2652) (8617008)
• Variable liveness analysis for brillig (#2715) (ddb05ab)

Bug Fixes

• Add error message for a contract package with no contracts (#2762) (9701a0c)
• Check for literal overflows in expressions (#2742) (4009f30)
• Keep the correct type for bitshift (#2739) (04fc2ea)
• Make Vec::get accept immutable Vecs (#2776) (f168a54)
• Nightly js test (#2740) (36dcd48)

0.12.0 (2023-09-15)

⚠ BREAKING CHANGES

• Change noir-lang/noir-source-resolver to noir-lang/source-resolver (#2718)
• use american spelling of "serialize" in stdlib (#2675)
• Restrict packages to contain at most a single contract (#2668)
• use two limbs for scalar mul (#2602)

Features

• Add initial version of noir.js (#2681) (e1687c9)
• Allow methods defined in a contract to be non-entry points (#2687) (2103b2f)
• Compile circuits and query circuit sizes in parallel for nargo info (#2665) (f173c05)
• Compile workspace packages in parallel (#2612) (16e5e4d)
• Handle should_fail_with case (#2541) (291d002)
• lsp: Add nargo capabilities for test metadata (#2532) (b4ee23e)
• nargo: Allow installing custom backends from the CLI (#2632) (c0c462c)
• parser: Allow multiple attributes (#2537) (7cdff2e)
• traits: Add default and override of methods (#2585) (98c3ba9)

Bug Fixes

• Avoid overflows in integer division (#2180) (6665210)
• aztec_noir: Support bools as input types (#2674) (9e7a0f0)
• Failing js tests (#2722) (398b6d7)
• Fix update_acir deleting all debug information (#2643) (a8a5395)
• Fix compilation using aztec feature flag (#2663) (7f6fe46)
• Implement auto-dereferencing when calling methods (#2581) (3c731b1)
• Initialize arrays returned by brillig (#2048) (788dfb4)
• Remove duplicate file extension in stack trace (#2655) (1114871)
• ssa: Slice mergers with multiple ifs (#2597) (6110638)
• Support for conditional stores (#2553) (6e6d952)
• Use high limb in scalar multiplication (#2619) (9014b8a)
• Use two limbs for scalar mul (#2602) (d0884ca)
• wasm: Apply transformation map to circuit debug information in noir_wasm (#2635) (9da822f)
• wasm: Avoid requesting stdlib paths from the source-resolver (#2650) (aebab34)
• wasm: Remove stacker from dependencies (#2637) (36691ab)

Miscellaneous Chores

• Change noir-lang/noir-source-resolver to noir-lang/source-resolver (#2718) (31e489e)
• Restrict packages to contain at most a single contract (#2668) (dc3358b)
• Use american spelling of "serialize" in stdlib (#2675) (56c96d0)

0.11.1 (2023-09-07)

Features

• Enable dynamic indices on slices (#2446) (c5c4052)

Bug Fixes

• Disable loop unrolling in brillig (#2590) (464f878)

0.11.0 (2023-09-07)

⚠ BREAKING CHANGES

• stdlib: Rename fixed_base_scalar_mul to be more descriptive (#2488)
• ACVM 0.24 (#2504)
• Update to acvm-backend-barretenberg v0.12.0 (#2377)
• abi: Replace struct name with fully qualified struct path (#2374)
• Remove keys from preprocessed artifacts (#2283)

Features

• Add nargo backend ls and nargo backend use command to switch between backends (#2552) (7471147)
• Add noirc_abi_wasm crate for ABI encoding in JS (#1945) (669e0da)
• Add support for brillig call stacks in runtime errors (#2549) (a077391)
• Apply optimizations to unconstrained code (#2348) (8e0f6c4)
• aztec_noir: Abstract kernel return types (#2521) (2668ac2)
• nargo: Add commands to install and uninstall custom backends. (#2575) (28a413c)
• nargo: Add hidden option to produce JSON output from nargo info (#2542) (14d31a5)
• Pull Language and Opcode support from backend (#2563) (2d0a5e4)
• ssa: Replace values which have previously been constrained with simplified value (#2483) (9be750a)
• stdlib: Grumpkin scalar multiplication API (#2586) (dc34bc4)
• Support for optional assertion messages (#2491) (5f78772)

Bug Fixes

• Allow usage of decimal string encoding for fields larger than a i128 (#2547) (d73f30e)
• aztec_noir: Fix compilation of aztec_library.rs (#2567) (a8d0328)
• aztec_noir: Generalise loop to not always inject a hasher instance (#2529) (9fe4cfd)
• Black box func slice handling (#2562) (c67cd7d)
• Initialize structs during def collection, not name resolution (#2528) (f170529)
• Make def collector ordering more deterministic (#2515) (d49e0af)
• Modulo with divisor of zero should fail constraints (#2578) (fe6e2e6)

Miscellaneous Chores

• abi: Replace struct name with fully qualified struct path (#2374) (0920dd0)
• ACVM 0.24 (#2504) (f06fbdb)
• Remove keys from preprocessed artifacts (#2283) (4554287)
• stdlib: Rename fixed_base_scalar_mul to be more descriptive (#2488) (6efc007)
• Update to acvm-backend-barretenberg v0.12.0 (#2377) (1467275)

0.10.5 (2023-08-30)

Features

• Basic implementation of traits (#2368) (df9f09e)

Bug Fixes

• Implement constant folding during the mem2reg pass (#2464) (5361ebd)
• ssa: Handle right shift with constants (#2481) (13a8c87)

0.10.4 (2023-08-29)

Features

• Add assert_eq keyword (#2137) (b467a2d)
• Add test(should_fail) attribute for tests that are meant to fail (#2418) (74af99d)
• Add syntax for specifying function type environments (#2357) (495a479)
• Add trait definition representation in DefCollector and HIR (#2338) (406a595)
• attributes: Enable custom attributes (#2395) (179611b)
• brillig: Added locations for brillig artifacts (#2415) (3771e52)
• Create equivalence relationships for intermediate witnesses from multiplication (#2414) (cc2a2d8)
• frontend: Aztec syntactic sugar (feature flagged) (#2403) (a894a6e)
• nargo: Support optional directory in git dependencies (#2436) (84fdc55)
• Perform more checks for compile-time arithmetic (#2380) (1be2b1e)
• Report compilation warnings before errors (#2398) (a1d1267)
• ssa: Merge slices in if statements with witness conditions (#2347) (76f7e43)
• ssa: Reuse existing results for duplicated instructions with no side-effects (#2460) (93726c4)
• Standard library functions can now be called with closure args (#2471) (feb8d0e)
• Syntax for environment types now works with generics (#2383) (4609c1a)
• Update to acvm 0.22.0 (#2363) (e050fab)
• Use equivalence information from equality assertions to simplify circuit (#2378) (ec5b021)

Bug Fixes

• acir_gen: Pass accurate contents to slice inputs for bb func calls (#2435) (054642b)
• acir: Attach locations to MemoryOps in ACIR (#2389) (d7d7f22)
• Closure lvalue capture bugfix (#2457) (632006a)
• Correct off-by-one errors in lexer spans (#2393) (bbda9b0)
• Divide by zero should fail to satisfy constraints for Field and ints (#2475) (1b85816)
• Implement handling of array aliasing in the mem2reg optimization pass (#2463) (7123fa9)
• Implement new mem2reg pass (#2420) (7714cd0)
• lsp: Remove duplicated creation of lenses (#2433) (41b568d)
• parser: Fixes for the parsing of 'where' clauses (#2430) (fa31015)
• Remove duplicate T in expected T, found T error on tuple assignment (#2360) (c964ee8)
• Run wasm nodejs tests with no fails (#2387) (67b6710)
• Show types in error message in same order as in source code (#2353) (feebee4)
• ssa: Codegen missing check for unary minus (#2413) (1435a86)
• ssa: Do not optimize for allocates in constant folding (#2466) (9e272f3)
• ssa: Remove padding from ToRadix call with constant inputs (#2479) (37bb781)

0.10.3 (2023-08-16)

Features

• Allow calling higher-order functions with closures (#2335) (75fd3e0)
• lsp: Add Compile code lens for main function and contracts (#2309) (5fe69c6)
• lsp: Add Execute code lens for main functions (#2330) (5aa59e0)

Bug Fixes

• Display warning if last expression of block is unused (#2314) (8110136)

0.10.2 (2023-08-16)

Bug Fixes

• Prevent dead instruction elimination of brillig functions which may contain side-effects (#2340) (ba8ffd8)

0.10.1 (2023-08-15)

Features

• Add full call stacks to runtime errors (#2310) (9004181)
• Improved error message for unexpected return type (#2302) (d7e1e65)
• ssa: Perform dead instruction elimination on intrinsic functions (#2276) (3fe3f8c)
• ssa: Switch mem2reg pass to be per function rather than per block (#2243) (0d548b9)
• stdlib: Implement str as_bytes and into_bytes function (#2298) (92549d4)

0.10.0 (2023-08-15)

⚠ BREAKING CHANGES

• nargo: Remove -p short flag from the --program-dir flag (#2300)
• nargo: Replace --contracts flag with contract package type (#2204)
• nargo: remove flat_witness feature flag (#2208)
• nargo: Require package type be specified in Nargo.toml (#2134)
• Allow specifying new package name with --name flag (#2144)
• nargo: Remove unused flags on LSP command (#2170)
• Support workspaces and package selection on every nargo command (#1992)
• nargo: Require package names in Nargo.toml files (#2056)
• Update to ACVM 0.21.0 (#2051)
• Drop support for the legacy SSA (#2049)
• nargo: Rename nargo gates to nargo info (#2038)
• nargo: Default to new SSA code for compilation

Features

• acir_gen: RecursiveAggregation opcode and updates to black box func call generation (#2097) (5cb8166)
• Add assert_constant (#2242) (a72daa4)
• Add deprecated attribute (#2041) (9e2cf6f)
• Add Option<T> to noir stdlib (#1781) (920a900)
• Add basic benchmarking (#2213) (c8fe617)
• Add slice append (#2241) (90c5d18)
• Add support for bitshifts by distances known at runtime (#2072) (b0fbc53)
• Add support for slices of structs and nested slices in brillig (#2084) (620517f)
• allow returning nested arrays from brillig (#2047) (4378bb8)
• Allow specifying new package name with --name flag (#2144) (e932599)
• Drop support for the legacy SSA (#2049) (3f33e44)
• Execute brillig opcodes with constant inputs at compile-time (#2190) (79af8e6)
• Format strings for prints (#1952) (3c82721)
• Implement traits - parser support #2094 (#2230) (589f173)
• Implement type aliases (#2112) (ce94cb4)
• Include struct names in ABIs (#2266) (9824ca5)
• Issue warning for signed integers (#2185) (1be1bcc)
• Make arrays and slices polymorphic over each other (#2070) (ef91286)
• nargo: Add --exact flag to nargo test (#2272) (1ad9199)
• nargo: Add --workspace flag to run commands in every package (#2313) (d6deb0c)
• nargo: Add support for contracts in nargo check (#2267) (3d1b252)
• nargo: Default to new SSA code for compilation (ce37718)
• nargo: Replace --contracts flag with contract package type (#2204) (968e12c)
• nargo: Require package type be specified in Nargo.toml (#2134) (1c991d0)
• nargo: Support custom entry points specified in TOML (#2158) (effb02a)
• Only create new witnesses for distinctiveness when duplicates exist (#2191) (14cbdbc)
• open functions are unconstrained (be44c7b)
• Optimize x < 0 for unsigned x to false (#2206) (25bc969)
• Optimize away constant calls to black box functions (#1981) (47b372c)
• Optimize equality checks between a boolean and constant (#2201) (478c026)
• Optionally output a debug artifact on compile (#2260) (edded24)
• Perform input validation on user's package names (#2293) (87174ac)
• Perform sorting of constant arrays at compile time (#2195) (c46d7a0)
• Remove comptime and warn upon usage (#2178) (98d0de3)
• Remove an unnecessary witness in mul_with_witness (#2078) (9f3198e)
• replace boolean ANDs with multiplication (#1954) (435ab35)
• ssa: Add additional BinaryOp simplifications (#2124) (50b2816)
• Support contract package type in nargo info command (#2249) (d309cc0)
• Support workspaces and package selection on every nargo command (#1992) (940b189)
• Update to ACVM 0.21.0 (#2051) (ad118eb)

Bug Fixes

• Add foreign impl error (#2216) (a53f5ed)
• Avoid non-determinism in defunctionalization (#2069) (898a9fa)
• avoid non-determinism in defunctionalize (898a9fa)
• avoid potential panic in two_complement (#2081) (63c4da0)
• Fix 3 parser test cases in parsing (#2284) (094aef1)
• fix an ICE happening when we call a closure result from if/else (#2146) (928b3ad)
• Fix an ICE when reassigning a mutable lambda variable to one with a different environment type (#2172) (a56db3e)
• Fix assignment when both mut and &mut are used (#2264) (b07a7ff)
• Fix methods not mutating fields (#2087) (6acc242)
• flattening pass no longer overwrites previously mapped condition values (#2117) (f7742ab)
• globals: Accurately filter literals for resolving globals (#2126) (1c21d0c)
• Implement .len() in Acir-Gen (#2077) (ab61e3a)
• Implement slices of structs (#2150) (6abcb79)
• Initialize numeric generics' type to a polymorphic integer when used in an expression (#2179) (c74b228)
• lsp: Ensure lsp does not crawl past the root specified (#2322) (d69e372)
• lsp: Improve dependency resolution in context of Nargo.toml (#2226) (8846bf2)
• lsp: Pass --program-dir to test command from codelens (#2292) (92e1802)
• Mutating a variable no longer mutates its copy (#2057) (e85e485)
• nargo: Allow --program-dir flag anywhere in a command (#2290) (7834fce)
• nargo: Indicate which TOML file is missing package name (#2177) (9529157)
• nargo: Make dependencies section optional in TOML (#2161) (099f4d4)
• nargo: Remove -p short flag from the --program-dir flag (#2300) (cc2af74)
• Open contract functions are unconstrained (#2052) (be44c7b)
• optimize contracts built by nargo info (b30b3f4)
• Optimize contracts built by nargo info (#2259) (b30b3f4)
• Overflowing assignment will result in an error (#2321) (bc645fc)
• Prevent panic when passing relative paths to --program-dir (#2324) (9eb45da)
• properly capture lvalues in closure environments (#2120) (#2257) (ed5273c)
• remove duplicated name option in nargo new (#2183) (68f5887)
• Remove last vestige of array of structs to struct of arrays conversion (#2217) (34be264)
• Rename Option::value to Option::_value (#2127) (8a1ace7)
• Require package names to be non-empty (#2293) (87174ac)
• Set location before cast instructions in SSA (#2202) (a72cc96)
• simplification of overflowing integer operations (#2153) (4a5d2de)
• stdlib: correct tecurve::contains formula (#1821) (6a10ecf)

Miscellaneous Chores

• nargo: remove flat_witness feature flag (#2208) (32d52d3)
• nargo: Remove unused flags on LSP command (#2170) (ccba78e)
• nargo: Rename nargo gates to nargo info (#2038) (5907e96)
• nargo: Require package names in Nargo.toml files (#2056) (bb28223)

0.9.0 (2023-07-25)

⚠ BREAKING CHANGES

• ACIR bytecode encoding with Base64 (#1935)
• Update to ACVM 0.18.1 and implement missing brillig blackboxes (#1914)

Features

• ACIR bytecode encoding with Base64 (#1935) (347cfc4)
• Add nargo build as alias for nargo compile (#1940) (13618d4)
• add nargo init command (#1859) (2d87c87)
• Add ability to create a proof for a workspace member using nargo prove -p {crate_name} (#1930) (266126f)
• Add Acir debug information (#1864) (5ff8b53)
• Add multi-line comments (#1936) (cfb1765)
• Add support for nested arrays on brillig gen (#2029) (8adc57c)
• Add to_radix and to_bits support to brillig gen (#2012) (3eef41c)
• Add unit literals and unit types to parser (#1960) (ea80de5)
• Adding internal keyword (#1873) (7a85493)
• Allow arrays of arbitrary types in the program ABI (#1651) (811ede1)
• Allow shadowing by default (#2000) (88a4f74)
• avoid unnecessary witness assignments in euclidean division / bound constraint (#1989) (c23257d)
• brillig_gen: Return slices from foreign calls (#1909) (6fa3144)
• compile to brillig reachable acir fns (#1919) (2b4237d)
• dynamic arrays for experimental-ssa (#1969) (08d199a)
• Implement parsing of traits (#1886) (3ba1e72)
• Implement references in brillig (#1901) (3a078fb)
• initial implementation of slices in brillig (#1932) (ea47936)
• Refactor Logging to use Brillig foreign calls (#1917) (c15f9aa)
• stdlib: Add multiple slice builtins (#1888) (008a16b)
• stdlib: Add secp256r1 builtin function (#1858) (f3800c5)
• stdlib: Vec type (#1905) (3734e25)
• Update to ACVM 0.18.1 and implement missing brillig blackboxes (#1914) (2bc7d25)

Bug Fixes

• 9_conditional end to end test (#1951) (2f6741f)
• regression end to end test (#1965) (59f92e3)
• Account for missing indices in flattened witness map (#1907) (3972410)
• Add missing follow_bindings when checking if a type can be casted (#2022) (537c2bd)
• Add Result to acir gen (#1927) (1f8fd51)
• Assignment to arrays of structs (#1998) (2c3d976)
• brillig_gen: Pass correct size of complex types input for brillig foreign calls (#1922) (04c89d2)
• Create FileManager with a root and normalize filenames against it (#1881) (50c1648)
• Differentiate stdlib CrateId from others (#1895) (211e251)
• Don't panic when checking if an undeclared variable is mutable (#1987) (0449518)
• emit Opcodes in correct order from GeneratedAcir::radix_le_decompose (#1903) (e5fe839)
• emit opcode in correct order from GeneratedAcir::radix_le_decompose (e5fe839)
• emit opcodes for sorting variables in order of execution (c43efab)
• Emit opcodes for sorting variables in order of execution (#1941) (c43efab)
• Fix auto-deref operations assigning the wrong result type (#1904) (827f78c)
• lsp: Avoid storing Context until recompiles are possible (#1891) (fb5f20b)
• method resolution when calling an &mut method with an &mut object type (#1947) (73c2e94)
• Only flatten main (#1984) (ac865b1)
• Parse an if followed by a tuple as a block (#1924) (8df4f05)
• Perform occurs check before binding function types (#2027) (1544786)
• Prevent if and for from parsing constructor expressions (#1916) (6d3029a)
• Rebuild tests plus script to include secp256r1 change (#1908) (ca68666)
• Switch from HashMap to BTreeMap in merge_stores (#2035) (4d179e3)
• update int division optimization (#1928) (fb872c6)
• Various fixes for defunctionalization & brillig gen (#1973) (f99f4bf)
• workaround for LSP dependency resolution (#1865) (a8ac338)

0.8.0 (2023-07-07)

⚠ BREAKING CHANGES

• ssa_refactor: Add Slices (#1728)
• nargo: Make proving and verification keys optional (#1880)
• update to ACVM 0.16.0 (#1863)

Features

• add signed division (#1831) (d0894ad)
• allow main to be a brillig function (#1861) (1330a2a)
• brillig: implemented blackbox functions (#1788) (f9f38de)
• brillig: wrap brillig fns to be top level (1330a2a)
• defunctionalization pass for ssa refactor (#1870) (1d5d84d)
• driver: Remove Driver struct and refactor functions to take Context (#1867) (8895853)
• driver: Remove Driver struct and refactor functions to take context (8895853)
• lsp: Add a codelens that runs test when clicked (#1835) (5d64f8a)
• make array indexes polymophic integers (#1877) (0fc93fa)
• make use of type information when serialising inputs (#1655) (310368d)
• recursion working in brillig (#1854) (e55b5a8)
• ssa refactor: Implement first-class references (#1849) (e5773e4)
• ssa_refactor: Add Slices (#1728) (4bee979)
• update to ACVM 0.16.0 (#1863) (9c89def)

Bug Fixes

• crates: do not process relative dependencies twice (#1856) (b2e71bb)
• lsp: Ensure stdlib is always added before the check_crate phase (#1840) (cb607f5)
• lsp: Ensure that stdlib is always added to the driver during the check_crate phase (cb607f5)
• Prevent comparisons from being used on Fields (#1860) (c8858fd)
• ssa refactor: Add missed call to resolve (#1817) (fa9be1d)
• ssa refactor: Fix recursive call to create_value_from_type (#1815) (890a63b)
• ssa refactor: Prevent stores in 'then' branch from affecting the 'else' branch (#1827) (e068fd4)

Miscellaneous Chores

• nargo: Make proving and verification keys optional (#1880) (be36c1e)

0.7.1 (2023-06-23)

Features

• brillig: foreign calls with dynamic-size objects (#1705) (fe7bb99)
• update acvm to 0.15.1 (#1764) (b52f25d)

Bug Fixes

• lsp: Ensure LSP can compile on Windows (#1794) (2992915)
• Methods called after being passed through a generic type were not being detected (#1785) (e560cd2)
• nargo: Update acvm-backend-barretenberg to allow wasm backend compilation (#1771) (97da745)
• old ssa: fix to_be_bits (#1765) (2541fbd)
• ssa refactor: ACIR gen NOT integer (#1749) (af749a0)
• ssa refactor: allow simplified call inserts & fix const radix arg handling (#1774) (46facce)
• ssa refactor: Fix flattening pass inserting loads before stores occur (#1783) (4293b15)
• ssa refactor: Fix panic in acir-gen from multiplying values of different types (#1769) (1f9a132)
• ssa refactor: function inlining orphans calls (#1747) (f30a90f)
• ssa refactor: Ignore array out of bounds errors when enable_side_effects is false (#1797) (7b7682a)
• ssa refactor: Implement merging of array values during flattening pass (#1767) (8f24751)
• ssa refactor: recursion_level decrement (#1745) (e449b92)
• ssa refactor: recursive branch analysis (#1759) (635b574)
• ssa refactor: Reset condition value during flattening pass (#1811) (2e330e0)
• ssa refactor: Speedup acir-gen (#1793) (1e75f0e)
• ssa refactor: Speedup find-branch-ends (#1786) (861e42c)
• Update array type when processing staged memory (#1751) (27eb748)

0.7.0 (2023-06-19)

⚠ BREAKING CHANGES

• Update to acvm 0.14.0 (#1594)
• update to ACVM 0.13.0 (#1393)
• stdlib: remove unnecessary merkle functions from stdlib (#1424)
• stdlib: return update verification functions to return bool
• stdlib: update stdlib functions to return bool where appropriate (#1409)
• Change serialization of struct field order to match the user defined order (#1166)
• Update to ACVM 0.12.0 (#1339)
• remove concept of noir fallbacks for foreign functions (#1371)
• nargo: retire print-acir in favour of flag (#1328)

Features

• Allow warnings by default (#1383) (e7a0d5c)
• ci: update noir to build wasm with a nix flake file (#1208) (2209369)
• lsp: Publish diagnostics on file save (#1676) (c53bfc8)
• Make for-loop range be a polymorphic integer instead of just Field in unconstrained functions (#1583) (77fba56)
• multiple item imports in use statement (#1466) (1dcd2ee)
• nargo: Add lsp command to start server that reports no capabilities (#1560) (e28529d)
• nargo: Allow user-specified file for prover inputs instead of Prover.toml (#1531) (91cbec6)
• nargo: retire print-acir in favour of flag (#1328) (dffa3c5)
• pass in closure to Driver to signal backend opcode support (#1349) (1e958c2)
• remove concept of noir fallbacks for foreign functions (#1371) (dbec6f2)
• ssa refactor: mem2reg opt pass (#1363) (5d1efd5)
• stdlib: EdDSA sig verification (#1313) (04a15e0)
• stdlib: return update verification functions to return bool (2b2be1e)
• stdlib: update stdlib functions to return bool where appropriate (#1409) (2b2be1e)
• Update to acvm 0.14.0 (#1594) (f2d6b7b)
• update to ACVM 0.15.0 (#1616) (3109239)
• use RAM/ROM opcode when supported by the backend (#1282) (242f07b)

Bug Fixes

• Change serialization of struct field order to match the user defined order (#1166) (809aa3a)
• Fix modulo operator for comptime values (#1361) (ba15d6d)
• Fix nargo not showing compiler errors or warnings (#1694) (4233068)
• frontend: Avoid panic if dependency cannot be resolved (#1719) (f35b346)
• nargo: prevent -p arg clash (#1605) (4867f4e)
• noirc_driver: Move error printing into nargo (#1598) (561cd63)
• ssa refactor: Add missing calls to resolve in Instruction::simplify (#1678) (07b07d0)
• ssa refactor: BigUint for radix (#1715) (00cf462)
• ssa refactor: Change the result of simplifying Eq and Lt to bool (#1672) (1d48929)
• ssa refactor: Do not remove enable_side_effects instructions in die pass (#1673) (cbee4c0)
• ssa refactor: euclidean division for unsigned (#1721) (a1596bc)
• ssa refactor: filter unreachable blocks from cfg (#1523) (202c345)
• ssa refactor: fix array element propagation through constant folding and DIE (#1674) (301e244)
• ssa refactor: Fix array elements not being mapped to new values (#1717) (4ebcbeb), closes #1688
• ssa refactor: fix bad constant type caching (#1593) (37c0be6)
• ssa refactor: Fix constant folding looping forever (#1611) (afe58cc)
• ssa refactor: Fix failed_to_inline_a_function being set for intrinsics (#1675) (377ac5c)
• ssa refactor: Fix flatten_cfg for ifs with no else (#1671) (7ce8cce)
• ssa refactor: Fix mem2reg pass not always removing unused stores (#1677) (8310544)
• ssa refactor: Fix ssa-gen of nested ifs (#1406) (5fd976e)
• ssa refactor: Fix stack overflow during loop unrolling (#1666) (c7a7216)
• ssa refactor: Implement array equality in SSA-gen (#1704) (0d31d83)
• ssa refactor: more comprehensive instruction simplification (#1735) (97d6747)
• ssa refactor: pad radix result (#1730) (8e9b612)
• ssa refactor: resolve replaced value ids for printing (#1535) (08ca847)
• ssa refactor: safe to query cfg for single block programs (#1401) (e2a23b3)
• ssa refactor: schnorr signature handling (#1727) (98ecf93)
• ssa refactor: Translate strings as arrays of characters (#1669) (2ba2ef6)
• ssa refactor: truncate when simplifying constant casts (#1714) (a2108d7)
• ssa: conditionalise array indexes under IF statements (#1395) (ddca3b4)
• stdlib: Workaround for Field comparison error in EdDSA signature verification (#1372) (e790c9f)

Miscellaneous Chores

• stdlib: remove unnecessary merkle functions from stdlib (#1424) (50fcb3c)
• Update to ACVM 0.12.0 (#1339) (b938c7e)
• update to ACVM 0.13.0 (#1393) (22dee75)

0.6.0 (2023-05-16)

⚠ BREAKING CHANGES

• Update to acvm 0.11.0 (#1322)
• parser: deprecate constrain keyword for assert (#1286)

Features

• Enable to_radix for any field element (#1343) (c3bdec2)
• Enable dynamic arrays (#1271) (9f43450)
• Issue an error when attempting to use a return expression (#1330) (a6de557)
• nargo: Remove usage of CompiledProgram in CLI code and use separate ABI/bytecode (#1269) (f144391)
• ssa refactor: experimental-ssa compiler flag (#1289) (afa6749)
• ssa refactor: Implement dominator tree (#1278) (144ebf5)
• ssa: add block opcode (#1291) (951ad71)
• stdlib: add keccak256 foreign function (#1249) (260d87d)

Bug Fixes

• Fix issue with parsing nested generics (#1319) (36f5b8e)
• Fix parser error preventing assignments to tuple fields (#1318) (460568e)
• Fix struct or tuple field assignment failing with generics (#1317) (d872890), closes #1315
• stdlib: support use of to_bits and to_radix for values >128 bits (#1312) (12f3e7e)

Miscellaneous Chores

• parser: deprecate constrain keyword for assert (#1286) (9740f54)
• Update to acvm 0.11.0 (#1322) (da47368)

0.5.1 (2023-05-01)

Bug Fixes

• Add Poseidon examples into integration tests (#1257) (2a5aa52)
• fix linear_eval is no 0 serialisation issue (#1226) (41d96ae)

0.5.0 (2023-04-28)

⚠ BREAKING CHANGES

• Switch to aztec_backend that uses upstream BB & UltraPlonk (#1114)

Features

• noir: added distinct keyword (#1219) (3a65f30)
• noir: added assert keyword (#1227) (0dc2cac)
• Switch to aztec_backend that uses upstream BB & UltraPlonk (#1114) (f14fe0b)

Bug Fixes

• wasm: add std after dependencies (#1245) (55ef8a2)

0.4.1 (2023-04-20)

Features

• Add Poseidon-BN254 hash functions (#1176) (33feb2b)
• bump noir-source-resolver version (#1182) (750ed77)

Bug Fixes

• Add checks for nop (#1160) (809b85f)
• allow comptime or non comptime fields in unconstrained for loops (#1172) (73df465)
• maintain ordering of return value witnesses when constructing ABI (#1177) (b799c8a)
• nargo: restore nargo codegen-verifier functionality (#1185) (528a2a4)
• ssa: set correct predecessors of IF join (#1171) (7628ed6)

0.4.0 (2023-04-17)

⚠ BREAKING CHANGES

• remove outdated arkworks backend (#1151)
• nargo: define preprocessed artifacts for programs/contracts (#1126)
• nargo: use faster hash function for checking preprocessed keys (#1094)
• Fix returning of structs in ACIR (#1058)
• upgrade to acvm 0.8.0 (#1047)

Features

• Add new Vec type to frontend (#1103) (e125157)
• Add storage slots to globals (#1019) (4190e11)
• Allow arbitrary noir functions to be unconstrained (#1044) (ebc8a36)
• Allow non-comptime field indices in unconstrained functions (#1053) (bc52612)
• Allow numeric generics to be referenced and add map (#997) (34eab32)
• Allow secret functions to use public parameters (#1051) (12c0668)
• Allow structs and arrays as globals (#1054) (dadbd3c)
• Changes serialization for contract functions (#1056) (41e0020)
• compiler: Allows specify entry_point source (#1026) (9789f89)
• dynamic array indexing (#886) (aba1ed2)
• Implement 'open' and 'unconstrained' keywords (#1037) (5a66dec)
• Implement std::unsafe::zeroed (#1048) (9a43f85)
• Implement arrays of structs (#1068) (f607150)
• import core logic in cli from nargo crate (#1142) (753a272)
• make noirc_driver aware of contracts (#999) (c21afca)
• Merge all contracts into one ABI (#1033) (473428c)
• nargo: add InvalidPackageError and DependencyResolutionError error types. (#1007) (1e6761b)
• nargo: add skeleton of composite types in template input tomls (#1104) (1fb2756)
• nargo: add test to example noir program (#1039) (f994c4f)
• nargo: allow running nargo from any directory in package (#1010) (761fdb5)
• nargo: define preprocessed artifacts for programs/contracts (#1126) (7528f59)
• nargo: print-acir command (#1031) (408d9c0)
• nargo: remove misleading quotes in generated Prover.toml (#1087) (57c817f)
• nargo: split nargo into core and cli packages (#1065) (7c388f9)
• read-only array (#899) (2e38ab0)
• stdlib: Implement Poseidon hash (#768) (779ab66)

Bug Fixes

• Avoid asserting in typechecker if struct field count is not correct (#1036) (b3d1d7f), closes #1028
• compiler identifying imported functions as being part of a contract (#1112) (61c38d2)
• correct name in CLI output from nargo_cli to nargo (74d7369)
• correct test for mutually exclusive feature flags (#1085) (eb5c917)
• crash when typechecking fields that don't exist (#1070) (a67e8c5)
• Fix returning of structs in ACIR (#1058) (91bd471)
• nargo: correct logic for rejecting transitive local dependencies (#1015) (e2b8b65)
• nargo: correct name in CLI output from nargo_cli to nargo (#1095) (74d7369)
• nargo: give contract artifacts unique names to prevent overwrites (#1158) (1227b2c)
• nargo: only search for Nargo.toml in commands which act on a Nargo package (#1029) (6e642b9)
• nargo: resolve local dependencies relative to root of depending package (38bf571)
• Numeric generics with impls error (#1148) (5d6e4d0)
• rationalise witness for constant values (#984) (ab32365)
• Resolve globals in types (#1043) (2badf14)

Miscellaneous Chores

• nargo: use faster hash function for checking preprocessed keys (#1094) (a69758c)
• remove outdated arkworks backend (#1151) (bc8ed9a)
• upgrade to acvm 0.8.0 (#1047) (63f958b)

0.3.2 (2023-03-16)

Features

• stdlib: Implement elliptic curve primitives (#964) (30d612d)

Bug Fixes

• nargo: correct inconsistent file extension for ACIR hashes (#994) (23c22d7)
• Prevent calling contract functions from outside the contract (#980) (21360e3)
• reverse slash direction in StdLibAssets prefix on windows (#992) (65b7108)

0.3.1 (2023-03-13)

Features

• add nargo preprocess command (#912) (8922ceb)

Bug Fixes

• Update backend dependency containing updated pk write fix (#956) (5d627a7)

0.3.0 (2023-03-13)

⚠ BREAKING CHANGES

• nargo: rename contract command to codegen-verifier (#959)
• replace dummy ABIs with FunctionSignature type alias (#930)
• nargo: save program ABI alongside ACIR (#922)
• nargo: restrict CliError visibility to crate (#911)
• prevent inconsistent language usage in Driver (#881)
• abi: add explicit return type field to ABI. (#865)
• abi: merge both abi encoding/decoding methods (#862)
• abi: add an explicit mapping from ABI params to witness indices (#851)
• Allow impls on primitive types (#847)

Features

• abi: add an explicit mapping from ABI params to witness indices (#851) (5bd4bd5)
• abi: add explicit return type field to ABI. (#865) (8ca5676)
• abi: merge both abi encoding/decoding methods (#862) (fecd32c)
• add support for reading boolean arrays from toml (#900) (93d83bf)
• Allow impls on primitive types (#847) (479da0e)
• ci: Publish noir_wasm when we cut a release (#871) (5186ab9)
• compile: compile w/dependencies and options (#965) (3f897f6)
• compile: Noir std lib embedded (#973) (13b9069)
• Implement basic contracts (#944) (8ba3ab2)
• Implement endianness specified versions of to_bytes to_radix and to_bits (#914) (43abc6b)
• nargo: save program ABI alongside ACIR (#922) (ddaf305)
• separate contract/program compilation from IO (#967) (c60f545)
• Silence output of prove and verify (#892) (811b346)
• ssa: add location to ssa instructions (#931) (356858b)
• update to ACVM 0.5.0 (#902) (9b58da4)

Bug Fixes

• abi: ensure that return value is loaded from toml (#883) (adba24c)
• add more readable error for missing argument in toml (#971) (e31f41f)
• allow parsing strings from toml into booleans (#894) (f729a00)
• check the argument count of generic types (#970) (2688dc4)
• compute witness when println evaluated before input (#891) (2727b34)
• correct type checking to handle false bools (#893) (6c7aa2f)
• display command description in CLI for nargo prove (#949) (2829af1)
• evaluate constant division (#909) (b91307b)
• Fix multiple call of to_le_bytes (#941) (2ee0119)
• generate valid toml when outputting nested structs (#936) (ba947a7)
• Improve member access error (#940) (9b5b5f6)
• nargo: Switch order of writing acir file and acir checksum file (#895) (4fc94dc)
• nargo: Use yml extension for bug report link presented upon panic (#960) (f7b3711)
• nargo: Use yml extension on the bug report link presented upon panic (f7b3711)
• noir_wasm: Update wasm ACIR serialization (#898) (575436f)
• Optimize parser (#869) (e927a39)
• prevent inconsistent language usage in Driver (48cda7a)
• prevent inconsistent language usage in Driver (#881) (48cda7a)
• properly initialize Evaluator in test (#863) (bbb70bd)
• properly initialize Evaluator in test (bbb70bd)
• Remove uses of std::process::exit (#963) (870ea46)
• ssa: fix the compile-time check for equality in acir-gen (#904) (161e4fb)

Miscellaneous Chores

• nargo: rename contract command to codegen-verifier (#959) (2e63492)
• nargo: restrict CliError visibility to crate (#911) (ed0e1ab)
• replace dummy ABIs with FunctionSignature type alias (#930) (156125b)

0.2.0 (2023-02-16)

⚠ BREAKING CHANGES

• Make abi field non-optional in CompiledProgram (#856)
• nargo: bump MSRV to 1.66.0 (#799)

Features

• acvm: Update to acvm 0.4.1 (#779) (6f57e86)
• ci: Add concurrency group for rust workflow (#806) (1b80f55)
• ci: Add concurreny group for rust workflow (1b80f55)
• ci: Build binaries when a release is made (#773) (a0c0c2c)
• Impls with generics (#798) (bea735d)
• nargo: add flag to verify created proofs (#737) (e981c7c)
• nargo: add panic hook (74cb340)
• nargo: Add panic hook (#850) (74cb340)
• nargo: Update nargo to use preprocessing interface (#765) (b3f1556)
• nargo: Version info in nargo and wasm (#802) (fd64be5)
• ssa: array sort (#754) (32e9320)
• std_lib: println statements (#630) (d5d1be2)
• stdlib: Add higher order array functions (#833) (9c62fef)

Bug Fixes

• avoid testing equality between unit values in acir_gen test (#849) (c2b7230)
• ci: Skip the title check if handling a merge group (#790) (71b179c)
• nargo: nargo test now only runs test functions defined in the current module (#805) (c6293c9)
• operators issuing type errors when used with matching integer types arising from generic code (#789) (932943a)
• ssa: delete instructions with false predicate (#760) (f329379)
• ssa: synchronisation for functions (#764) (615357a)

Miscellaneous Chores

• Make abi field non-optional in CompiledProgram (#856) (98acb5a)
• nargo: bump MSRV to 1.66.0 (#799) (59ff9e8)

0.1.1 (2023-02-06)

Features

• ci: Add workflow to validate PR title (#730) (e5e8542)
• ci: Change release workflow to use release-please (950ca55)
• docs: Introduce Conventional Commits & release process docs (#717) (950ca55)
• nargo: add nargo execute command (#725) (9d6be60)
• nargo: Add nargo test command to run all unit tests (#728) (2e1dc82)
• nargo: add option to save witness to file in execute command (9d6be60)
• nargo: add support for testing noir libraries (#752) (27bd2ac)
• nargo: Leverage rustls instead of openssl for downloads (#691) (933809c)