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Merge pull request ethereumjs#596 from ethereumjs/new-release-v410
New release v4.1.0
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‎CHANGELOG.md

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@@ -6,6 +6,71 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
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(modification: no type change headlines) and this project adheres to
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[Semantic Versioning](http://semver.org/spec/v2.0.0.html).
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## [4.1.0] - 2019-09-12
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This is the first feature-complete `Istanbul` release, containing implementations
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for all 6 EIPs, see the HF meta EIP [EIP-1679](https://eips.ethereum.org/EIPS/eip-1679)
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for an overview. Beside this release contains further unrelated features as
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well as bug fixes.
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Note that `Istanbul` support is still labeled as `beta`. All implementations
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have only basic test coverage since the official Ethereum consensus tests are
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not yet merged. There might be also last minute changes to EIPs during the
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testing period.
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**Istanbul Summary**
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See the VM `Istanbul` hardfork meta issue
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[#501](https://github.com/ethereumjs/ethereumjs-vm/issues/501) for a summary
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on all the changes.
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Added EIPs:
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- [EIP-152](https://github.com/ethereum/EIPs/pull/2129): Blake 2b `F` precompile,
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PR [#584](https://github.com/ethereumjs/ethereumjs-vm/pull/584)
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- [EIP-1108](https://eips.ethereum.org/EIPS/eip-1108): Reduce `alt_bn128`
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precompile gas costs,
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PR [#540](https://github.com/ethereumjs/ethereumjs-vm/pull/540)
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(already released in `v4.0.0`)
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- [EIP-1344](https://eips.ethereum.org/EIPS/eip-1344): Add ChainID Opcode,
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PR [#572](https://github.com/ethereumjs/ethereumjs-vm/pull/572)
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- [EIP-1884](https://eips.ethereum.org/EIPS/eip-1884): Trie-size-dependent
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Opcode Repricing,
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PR [#581](https://github.com/ethereumjs/ethereumjs-vm/pull/581)
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- [EIP-2200](https://github.com/ethereum/EIPs/pull/2200): Rebalance net-metered
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SSTORE gas costs,
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PR [#590](https://github.com/ethereumjs/ethereumjs-vm/pull/590)
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**Other Features**
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- Two new event types `beforeMessage` and `afterMessage`, emitting a `Message`
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before and an `EVMResult` after running a `Message`, see also the
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[updated section](https://github.com/ethereumjs/ethereumjs-vm#vms-tracing-events)
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in the `README` on this,
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PR [#577](https://github.com/ethereumjs/ethereumjs-vm/pull/577)
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**Bug Fixes**
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- Transaction error strings should not contain multiple consecutive whitespace
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characters, this has been fixed,
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PR [#578](https://github.com/ethereumjs/ethereumjs-vm/pull/578)
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- Fixed `vm.stateManager.generateCanonicalGenesis()` to produce a correct
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genesis block state root (in particular for the `Goerli` testnet),
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PR [#589](https://github.com/ethereumjs/ethereumjs-vm/pull/589)
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**Refactoring / Docs**
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- Preparation for separate lists of opcodes for the different HFs,
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PR [#582](https://github.com/ethereumjs/ethereumjs-vm/pull/582),
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see also follow-up
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PR [#592](https://github.com/ethereumjs/ethereumjs-vm/pull/592) making this
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list a property of the VM instance
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- Clarification in the docs for the behavior of the `activatePrecompiles`
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VM option,
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PR [#595](https://github.com/ethereumjs/ethereumjs-vm/pull/595)
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[4.1.0]: https://github.com/ethereumjs/ethereumjs-vm/compare/v4.0.0...v4.1.0
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## [4.0.0] - 2019-08-06
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First `TypeScript` based VM release, other highlights:

‎README.md

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- `Byzantium`
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- `Constantinople`
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- `Petersburg` (default)
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- `Istanbul` (`DRAFT`)
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- `Istanbul` (`beta`)
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If you are still looking for a [Spurious Dragon](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-607.md) compatible version of this library install the latest of the `2.2.x` series (see [Changelog](./CHANGELOG.md)).
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##### Istanbul Harfork Support
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With the `v4.0.0` release we are starting to add implementations of EIPs being
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candidates or accepted for inclusion within the `Istanbul` hardfork. You can
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activate a preliminary `Istanbul` VM by using the `istanbul` `hardfork` option
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flag.
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Currently supported `Istanbul` EIPs:
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- [EIP-1108](https://eips.ethereum.org/EIPS/eip-1803) (Candidate): `alt_bn128` Gas Cost Reductions, see PR [#540](https://github.com/ethereumjs/ethereumjs-vm/pull/540)
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Note that this is highly experimental and solely meant for experimental purposes,
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since `Istanbul` scope is not yet finalized and most EIPs are still in a `DRAFT`
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state and likely subject to updates and changes.
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A final `Istanbul` VM will be released along a major version bump to likely
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`v5.0.0` or `v6.0.0`.
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Have a look at the corresponding issue to follow the discussion and current state on
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[Istanbul planning](https://github.com/ethereumjs/ethereumjs-vm/issues/501).
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A feature-complete `Istanbul` HF implementation is available since the `v4.1.0`
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VM release. You can activate an `Istanbul` VM by using the `istanbul`
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`hardfork` option flag.
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Supported `Istanbul` EIPs:
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- [EIP-152](https://github.com/ethereum/EIPs/pull/2129): Blake 2b `F` precompile,
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PR [#584](https://github.com/ethereumjs/ethereumjs-vm/pull/584)
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- [EIP-1108](https://eips.ethereum.org/EIPS/eip-1108): Reduce `alt_bn128`
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precompile gas costs,
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PR [#540](https://github.com/ethereumjs/ethereumjs-vm/pull/540)
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(already released in `v4.0.0`)
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- [EIP-1344](https://eips.ethereum.org/EIPS/eip-1344): Add ChainID Opcode,
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PR [#572](https://github.com/ethereumjs/ethereumjs-vm/pull/572)
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- [EIP-1884](https://eips.ethereum.org/EIPS/eip-1884): Trie-size-dependent
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Opcode Repricing,
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PR [#581](https://github.com/ethereumjs/ethereumjs-vm/pull/581)
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- [EIP-2200](https://github.com/ethereum/EIPs/pull/2200): Rebalance net-metered
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SSTORE gas costs,
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PR [#590](https://github.com/ethereumjs/ethereumjs-vm/pull/590)
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Note that `Istanbul` support is still labeled as `beta`. All implementations
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have only basic test coverage since the official Ethereum consensus tests are
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not yet merged. There might be also last minute changes to EIPs during the
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testing period.
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# INSTALL
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‎docs/README.md

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* [EVMResult](interfaces/evmresult.md)
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* [ExecResult](interfaces/execresult.md)
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* [NewContractEvent](interfaces/newcontractevent.md)
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* [RunBlockOpts](interfaces/runblockopts.md)
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* [RunBlockResult](interfaces/runblockresult.md)
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* [RunCallOpts](interfaces/runcallopts.md)
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* [TxReceipt](interfaces/txreceipt.md)
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* [VMOpts](interfaces/vmopts.md)
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### Functions
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* [OOGResult](#oogresult)
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---
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## Functions
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<a id="oogresult"></a>
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### OOGResult
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▸ **OOGResult**(gasLimit: *`BN`*): [ExecResult](interfaces/execresult.md)
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*Defined in [evm/evm.ts:80](https://github.com/ethereumjs/ethereumjs-vm/blob/439570a/lib/evm/evm.ts#L80)*
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**Parameters:**
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| Name | Type |
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| ------ | ------ |
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| gasLimit | `BN` |
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**Returns:** [ExecResult](interfaces/execresult.md)
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___
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