v0.2.4

What's Changed

• feat: mappings from bytecode to contract name by @daejunpark in #429

Bugfixes:

• fix: add warnings when --width or --depth limits reached by @daejunpark in #433
• fix: handle stack underflows in DUPn/SWAPn instructions by @0xkarmacoma in #439
• fix: avoid raising internal python error on large memory access by @0xkarmacoma in #442
• fix: check infeasible errors by @daejunpark in #445

New Contributors

• @zbraiterman made their first contribution in #435

Full Changelog: v0.2.3...v0.2.4

v0.2.3

What's Changed

• fix: linear memory growth by @karmacoma-eth in #426
• feat: support for snapshot cheatcodes by @daejunpark in #427

Full Changelog: v0.2.2...v0.2.3

v0.2.2

What's Changed

• feat: display spinning progress by @daejunpark in #417
• feat: embrace uv by @karmacoma-eth in #422

New Contributors

• @mdqst made their first contribution in #424

Full Changelog: v0.2.1...v0.2.2

v0.2.1

What's Changed

This release improves internal functionalities.

Improved handling of dynamic arrays:

• feat: consider various lengths for dynamic-sized parameters by @daejunpark in #384
• feat: lazy concretization by @daejunpark in #392

Improved keccak hash reasoning:

• feat: handle concrete keccaks concretely by @karmacoma-eth in #391
• perf: improve hash injectivity constraints by @daejunpark in #406
• feat: injectivity for truncated hashes by @daejunpark in #408

Misc:

• feat: target Panic(k) for any k specified in --panic-error-codes by @daejunpark in #382
• fix: exclude test contract from symbolic calls by @daejunpark in #388
• feat: customize bash prompt in our docker images by @karmacoma-eth in #407

New Contributors

• @PatrickAlphaC made their first contribution in #378

Full Changelog: v0.2.0...v0.2.1

v0.2.0

What's Changed

Breaking changes

• feat: replace --symbolic-storage with enableSymbolicStorage(address) cheatcode by @daejunpark in #355
• feat: empty initial network state by @daejunpark in #352
• feat: reject multiple setup paths by @daejunpark in #351
• perf: increase default assertion solving timeout from 1s to 1m by @daejunpark in #368
• feat: deprecate --bytecode and --reset-bytecode by @daejunpark in #350

New features

• feat: support for new cheatcode of generating calldata by @daejunpark in #360
• feat: branching over symbolic call addresses by @daejunpark in #349

Bug fixes and improvements

• perf: code fastpath scanning for valid jump destinations by @karmacoma-eth in #348
• fix: failed() cheatcode error by @daejunpark in #359
• fix: vm.etch() leaves storage uninitialized by @karmacoma-eth in #363
• fix: manually solve dynamic array overflow conditions by @daejunpark in #366

Full Changelog: v0.1.14...v0.2.0

v0.1.14

What's Changed

halmos.toml configuration

• feat: enhance configuration management by using toml configuration file by @pillip in #296
• feat: toml config, take 2 by @karmacoma-eth in #298
• docs: example halmos.toml by @karmacoma-eth in #299

Docker images

• feat: use docker image to load solvers and setup the testing environment by @EmperorOrokuSaki in #295
• feat: solvers package by @karmacoma-eth in #302
• ci: run workflow using solvers as a base image by @karmacoma-eth in #307
• ci: add intermediary halmos-builder image and dockerize more workflows by @karmacoma-eth in #308

Cheatcode/opcode support

• feat: support for forge-std assert cheatcodes by @daejunpark and @EmperorOrokuSaki in #323
• feat: support vm.getBlockNumber cheatcode by @pillip in #325
• feat: functional implementation of EXTCODEHASH and EXTCODECOPY by @karmacoma-eth in #328
• feat: add support for prank(sender, origin) and startPrank(sender, origin) cheatcodes by @karmacoma-eth in #336

UX improvements

• feat: parse symbols from build to print readable traces by @pillip in #309
• feat: trace rendering: extract selector from calldata by @karmacoma-eth in #339
• feat: add ERC-1155 token receiver hooks as defaults in unknown call resolution by @pcaversaccio in #291
• fix: handle solidity files with no contracts by @karmacoma-eth in #333
• fix: simplify symbol parsing by @karmacoma-eth in #334
• cli: deprecated --solver-parallel by @daejunpark in #314

Performance improvements

• perf: chunk based memory model by @karmacoma-eth in #288
• perf: optimize execution loop by @karmacoma-eth in #293
• feat: cache unsat queries using unsat core by @daejunpark in #311
• perf: prune infeasible paths early by @daejunpark in #319
• perf: early exit for fail() by @daejunpark in #322
• perf: abstract multiplication by @daejunpark in #340

Bugfixes

• fix: smt encoding for evm div-by-zero by @daejunpark in #271
• fix: use --ast to enable foundry build cache by @daejunpark in #289
• fix: add Missing Error Code in parse_build_out Warning by @pcaversaccio in #300
• fix bad abi encoding in createBytes4 by @karmacoma-eth in #329
• fix: parsing unsat core output variants by @daejunpark in #337

New Contributors

• @pcaversaccio made their first contribution in #291
• @EmperorOrokuSaki made their first contribution in #295
• @pillip made their first contribution in #296

Full Changelog: v0.1.13...v0.1.14

v0.1.13

What's Changed

• Add GitHub Codespaces dev container config by @cos in #274
• fix: concrete exitcode for precompile by @daejunpark in #286

Full Changelog: v0.1.12...v0.1.13

v0.1.12

What's Changed

• feat: constrain (r, s, v) signature values by @karmacoma-eth in #259
• fix: vm.etch(addr, "") used to raise an exception by @karmacoma-eth in #264
• feat: --solver-command lets user replace z3 invocations by @karmacoma-eth in #272
• unpin z3 version by @karmacoma-eth in #275 and #276

Full Changelog: v0.1.11...v0.1.12

v0.1.11

What's Changed

• fix: calldata rendering bugfix, large memory offset bugfix by @karmacoma-eth in #242
• docs: add multicaller example by @daejunpark in #241
• fix: use consistent hex prefix handling by @karmacoma-eth in #246
• feat: dump refined queries by @karmacoma-eth in #250
• perf: small bytecode caching optimizations by @karmacoma-eth in #249
• fix: add --build-info to forge build command by @karmacoma-eth in #255
• feat: support for signing and verifying signatures by @karmacoma-eth in #257
• docs: small fixes for getting-started.md by @cos in #258

New Contributors

• @cos made their first contribution in #258

Full Changelog: v0.1.10...v0.1.11

v0.1.10

What's Changed

Performance:

• Reduce memory footprint in #218

Features:

• Introduce other failure modes in #237
• Add --match-test and --match-contract in #238

Dependencies:

• Drop support for python 3.8 in #226
• Require z3 4.12.2 in pyproject in #236

Full Changelog: v0.1.9...v0.1.10