EVMC 12.1.0

Added

• Add EVMC_DELEGATED call flag. #720
• Add EVMC_EXPERIMENTAL revision to enable experimental features of EVMs. #728
• Add support for transient storage in Rust bindings. #725

EVMC 12.0.0

Added

• Add Osaka EVM revision. #711
• Add EOF TXCREATE instruction support. #709
• Add EOFCREATE message kind support. #681
• Add support for EOF creation transaction (EOFCREATE) in the evmc run. #713
• go: Expose transient storage API. #708

Changed

• Set Cancun as the latest stable revision EVMC_LATEST_STABLE_REVISION. #716

Fixed

• C++: Fix basic_string<unsigned char> incompatibility with latest libc++. #712
• rust: Update bindgen to fix bindings generation. #707

Removed

• Java bindings have been removed. #706

EVMC 11.0.1

Changed

• Improved compatibility with CMake 3.27. #701

EVMC 11.0.0 "Cancun"

Added

• Extended tx_context with the EIP-4844 blob hashes #691
• Extended tx_context with the EIP-7516 "blob base fee" for the BLOBBASEFEE EVM instruction. #696
• Added EIP-1153 transient storage support #693
• Go: the Execute() now also returns the amount of gas refunded. #690

EVMC 10.1.1

Fixed

• cmake: Fix evmc_add_vm_test() not working in cross-compilation #695

EVMC 10.1.0 "Shanghai"

Added

• The Prague EVM revision (anticipated after Cancun) #683
• C++: Make evmc::Result accessible via evmc_result reference #686

Changed

• Set Shanghai as the latest stable revision EVMC_LATEST_STABLE_REVISION. #687
• Bump minimum supported compiler versions: #685
  • GCC: 7 → 8
  • Clang: 5 → 9
  • CMake: 3.10 → 3.16

EVMC 10.0.0

Added

• Information about PUSH0 instruction from EIP-3855 for Shanghai revision. #628
• The Paris (aka The Merge) EVM revision. #627 #634
• The Cancun EVM revision (anticipated after Shanghai) #633
• The gas refund counter has been added to the evmc_result. #666
• The error code EVMC_LOADER_UNSPECIFIED_ERROR has been defined to provide a convenient way of initializing evmc_loader_error_code objects. #617
• Support for Visual Studio 2022. #619
• C++ types evmc::address and evmc::bytes32 are convertible to std::basic_string_view<uint8_t>. #636
• Convenient constructors for C++ evmc::result. #660
• Rust: The EvmcVm::set_option has been added. #614

Changed

• The code_address field has been added to the evmc_message type. It represents the address of an account from which the code is being executed and is useful for DELEGATECALL implementations. #611 #615
• The evmc_message::destination field has been renamed to evmc_message::recipient to clarify its purpose and match the naming from the Yellow Paper. #616
• The evmc_storage_status has been extended to provide information about every possible case of storage net gas metering (EIP-2200). #661
• The selfdestruct method returns the information if the given address has not been registered as selfdestructed yet. #662
• C++: The evmc::result has been renamed to evmc::Result for consistency with C++ types of similar kind. #665
• C++: The HostContext does not cache transaction context (evmc_tx_context) anymore. #631
• Go: The create2Salt parameter has been removed from the VM.Execute(). #612
• Code quality improvements. #618 #620 #621 #632
• According to EIP-4399, block_difficulty field was renamed to block_prev_randao, and DIFFICULTY opcode to PREVRANDAO. #635
• The evmc::hex support C++ library has been refactored and converted to a single-header library. #643 #648 #649 #654
• For command-line tools to load input/code from a file the @file syntax must be used. E.g. evmc run @contract.evm --input @data.in. #647
• Improvements to the evmc::MockedHost testing utility around account storage and selfdestructs. #661 #662 #670

Fixed

• Java bindings fixes. #653

Removed

• The support for C++ 0_address and 0_bytes32 literals has been removed. #652

EVMC 9.0.0

Added

• Support for London EIP-3198: block_base_fee member added to evmc_tx_context, BASEFEE instruction added. #603
• Added Shanghai EVM revision. #604
• Added EVMC_LATEST_STABLE_REVISON: alias for the latest known EVM revision with finalized specification. #605
• The --bench flag has been added to evmc run to more precisely measure execution time. #598
• Output stream operators and to_string() overloads for EVMC types evmc_revision and evmc_status_code are now part of public C and C++ API. #599

Changed

• Adjustments to evmc::mocked_host: storage changes to non-existent keys are now preserved. #594

EVMC 8.0.0

Added

• Support for Berlin EIP-2929: access_account() and access_storage() functions added to evmc_host_interface. #571

Changed

• Instruction SHA3 has been renamed to KECCAK256 as proposed by EIP-1803 to better match the underlying hash function. #590
• The C++ standard required has been increased to C++17. The minimal officially supported Clang version has been increased from 3.8 to 5. #584

EVMC 7.5.0

Added

• New option --input for evmc run tool to specify execution input data (calldata). #564
• New option --create for evmc run tool to create new contract with provided init code before main execution. This allows using Solidity compiler binary outputs directly by the tool. #566

  solc --bin Contract.sol -o .
  evmc run --create Contract.bin --input 370158ea

• evmc run tool accepts both hex-strings or file paths for code and --input arguments. #574
• New static C++ library evmc::hex added with procedures for hex encoding/decoding. Hex-strings are used by EVMC and related projects for internal testing. #575
• New EVMC_INSUFFICIENT_BALANCE error code has been registered. #528

Changed

• Java bindings fixes and improvements. It must be noted the bindings are in a work in progress state and are not suggested for production use. #535 #537 #541 #545 #549 #550 #551 #552 #553 #557 #579 #580 #581
• C++'s std::hash and comparison operators for EVMC types has been optimized. #560 #561
• evmc --version now also informs about the version of the loaded EVM. #567
• The Example VM (evmc::example-vm) has been converted from C to C++. It now implements a subset of real EVM opcodes so examples and tests can use valid EVM bytecodes. #539