hevm changelog

0.24 - 2019-01-23

• Fix STATICCALL for precompiled contracts
• Assume Solidity 0.5.2 in tests

0.23 - 2018-12-12

• Show passing test traces with --verbose flag

0.22 - 2018-11-13

• Simple memory view in TTY

0.21 - 2018-10-29

• Fix Hackage package by including C header files for ethjet

0.20 - 2018-10-27

• Parse constructor inputs from Solidity AST

0.19 - 2018-10-09

• Enable experimental 'cheat' address, allowing for modification of the EVM environment from within the tests. Currently just the block timestamp can be adjusted.

0.18 - 2018-10-09

• Fix duplicate address bug

0.17 - 2018-10-05

• Semigroup/Monoid fix

0.16 - 2018-09-19

• Move ethjet into hevm

[0.15] - 2018-05-09

• Fix SDIV/SMOD definitions for extreme case

[0.14.1] - 2018-04-17

• Improve PC display in TTY

[0.14] - 2018-03-08

• Implement STATICCALL

[0.13] - 2018-02-28

• Require specific block number for RPC debugging
• Implement RETURNDATACOPY and RETURNDATASIZE
• Fix bug where created contracts didn't get their balance

[0.12.3] - 2017-12-19

• More useful RPC debugging because we strip the entire BZZR metadata

[0.12.2] - 2017-12-17

• Experimental new ecrecover implementation via libethjet
• Correct error checking for setUp() invocations

[0.12.1] - 2017-11-28

• Test name regex matching via --match
• Fixed source map parsing bug when used with solc --optimize
• TTY: fix a padding-related display glitch

0.12 - 2017-11-14

• Use 13 different environment variables to control block parameters for unit testing, e.g. block number, timestamp, initial balance, etc.

  Full list:

  • DAPP_TEST_ADDRESS
  • DAPP_TEST_CALLER
  • DAPP_TEST_ORIGIN
  • DAPP_TEST_GAS_CREATE
  • DAPP_TEST_GAS_CALL
  • DAPP_TEST_BALANCE_CREATE
  • DAPP_TEST_BALANCE_CALL
  • DAPP_TEST_COINBASE
  • DAPP_TEST_NUMBER
  • DAPP_TEST_TIMESTAMP
  • DAPP_TEST_GAS_LIMIT
  • DAPP_TEST_GAS_PRICE
  • DAPP_TEST_DIFFICULTY

0.11.5 - 2017-11-14

• Use --state with --exec --debug

0.11.4 - 2017-11-12

• Fix bug when unit test contract has creations in constructor

0.11.3 - 2017-11-08

• Fix array support in ABI module

0.11.2 - 2017-11-04

• TTY: show a help bar with key bindings at the bottom

0.11.1 - 2017-11-02

• TTY: fix a display glitch
• TTY: improve display of ABI hashes on the stack

0.11 - 2017-10-31

• Add "hevm flatten" for Etherscan-ish source code concatenation
• Simplify code by removing concrete/symbolic machine abstraction

0.10.9 - 2017-10-23

• Fix bugs in ABI formatting

0.10.7 - 2017-10-19

• Fix library linking bug
• Fix gas consumption of DELEGATECALL
• Better error tracing
• Experimental "contract browser" (stupid list of addresses)

0.10.6 - 2017-10-19

• Enable library linking for unit tests and debugger
• Use the same default gas/balance values as ethrun

0.10.5 - 2017-10-17

• Better trace output including arguments and return values
• Proof of concept coverage analysis via dapp-test --coverage

0.10 - 2017-10-10

• Enable new trace output by default for failing tests
• Exit with failure code from test runner when tests fail
• More fixes to improve Ethereum test suite compliance

0.9.5 - 2017-10-06

• Prototype of new trace output with hevm dapp-test --verbose
• Nicer trace tree in the TTY debugger
• Many fixes to improve Ethereum test suite compliance

0.9 - 2017-09-29

• Integrates with live chains via RPC (read-only)
• Exposes a special contract address with test-related functionality (time warp)

0.8.5 - 2017-09-22

• Renames hevm from its maiden name hsevm ✨

0.8 - 2017-09-21

• Implements gas metering (Metropolis rules by default)
• Shows gas counter in the terminal interface
• Enables debugger for consensus test executions
• Consensus test runner script with HTML reporting
• Passes 564 of the VMTests; fails 115 (see 0.8 test report)
• Command line options for specifying initial gas amounts and balances
• Improved TTY UI layout

0.7 - 2017-09-07

• Can save and load contract states to disk using a Git-backed store (only --exec)
• Can debug raw EVM bytecode using exec --debug
• Fixes exec --value
• Has smarter defaults for command line when running tests or debugging
• Fixes bug with MSIZE in CALL context

0.6.5 - 2017-09-01

• Fixes exec with regards to exit codes and error messages

0.6.1 - 2017-08-03

• TTY: Adds command C-n in TTY for "stepping over"

0.6 - 2017-08-03

• TTY: Adds second line to stack entries with humanized formatting
• TTY: Gets rid of the separate log pane in favor of a unified trace pane

0.5 - 2017-08-02

• TTY: Adds p command for stepping backwards
• Adds ability to track origins of stack and heap words
• Tracks Keccak preimage for words that come from the SHA3 instruction

0.4 - 2017-07-31

• Parallelizes unit test runner
• Improves speed by changing representation of memory
• Internal refactoring for future support of symbolic execution
• Adds logs to the trace pane

0.3.2 - 2017-06-17

• Adds REVERT opcode
• Sets TIMESTAMP value to 1 in unit tests

0.3.0 - 2017-06-14

• Reverts contract state after CALL fails
• Improves test runner console output

0.2.0 - 2017-06-13

• Fixes bug in CALL

0.1.0.1 - 2017-03-31

• Highlights Solidity exactly on character level
• Adds N command for stepping by Solidity source position instead of by opcode

0.1.0.0 - 2017-03-29

• First release