| 1 | # Changelog
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| 2 | All notable changes to this project will be documented in this file.
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| 3 |
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| 4 | The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
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| 5 | (modification: no type change headlines) and this project adheres to
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| 6 | [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
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| 7 |
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| 8 | ## [2.2.2] - 2019-12-17
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| 9 | **MuirGlacier** support by updating to the new difficulty formula as stated
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| 10 | in [EIP-2384](https://eips.ethereum.org/EIPS/eip-2384).
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| 11 |
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| 12 | Please note that this release does not contain all the changes merged into
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| 13 | master since the `v2.2.0` release and only backports the difficulty formula
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| 14 | adjustments to support MuirGlacier without having to go through migration to
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| 15 | the `v3.0.0` which contains breaking changes.
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| 16 |
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| 17 | [2.2.2]: https://github.com/ethereumjs/ethereumjs-block/compare/v2.2.1...v2.2.2
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| 18 |
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| 19 | ## [2.2.1] - 2019-11-14
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| 20 | **Istanbul** support by updating to the most recent `ethereumjs-tx` version
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| 21 | [v2.1.1](https://github.com/ethereumjs/ethereumjs-tx/releases/tag/v2.1.1).
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| 22 |
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| 23 | Please note that this release does not contain all the changes merged into
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| 24 | master since the `v2.2.0` release and only backports the most recent
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| 25 | `ethereumjs-tx` version to allow users to support Istanbul without having
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| 26 | to go through migration to the `v3.0.0` which contains breaking changes.
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| 27 |
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| 28 | [2.2.1]: https://github.com/ethereumjs/ethereumjs-block/compare/v2.2.0...v2.2.1
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| 29 |
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| 30 | ## [2.2.0] - 2019-02-06
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| 31 | **Petersburg** (aka `constantinopleFix`) as well as **Goerli**
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| 32 | support/readiness by updating to a supporting `ethereumjs-common` version
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| 33 | [v1.1.0](https://github.com/ethereumjs/ethereumjs-common/releases/tag/v1.1.0),
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| 34 | PR [#64](https://github.com/ethereumjs/ethereumjs-block/pull/64)
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| 35 |
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| 36 | **Other Changes:**
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| 37 | - Fixed package size issue by excluding tests and docs from being included in
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| 38 | the package, PR [#66](https://github.com/ethereumjs/ethereumjs-block/pull/66)
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| 39 | - Error message fixes in `index.js`,
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| 40 | PR [#62](https://github.com/ethereumjs/ethereumjs-block/pull/62)
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| 41 | - Replace uses of deprecated `new Buffer` with `Buffer.from`,
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| 42 | PR [#60](https://github.com/ethereumjs/ethereumjs-block/pull/60)
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| 43 | - Remove `ethereumjs-testing` dependency (much smaller dev dependencies),
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| 44 | PR [#61](https://github.com/ethereumjs/ethereumjs-block/pull/61)
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| 45 |
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| 46 | [2.2.0]: https://github.com/ethereumjs/ethereumjs-vm/compare/v2.1.0...v2.2.0
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| 47 |
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| 48 | ## [2.1.0] - 2018-10-19
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| 49 | - **Constantinople** support, added difficulty bomb delay (EIP-1234), PR [#54](https://github.com/ethereumjs/ethereumjs-block/pull/54)
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| 50 | - Updated test data, added Constantinople tests, PR [#56](https://github.com/ethereumjs/ethereumjs-block/pull/56), [#57](https://github.com/ethereumjs/ethereumjs-block/pull/57)
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| 51 | - Added ``timestamp`` field to ``setGenesisParams()``, PR [#52](https://github.com/ethereumjs/ethereumjs-block/pull/52)
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| 52 |
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| 53 | [2.1.0]: https://github.com/ethereumjs/ethereumjs-vm/compare/v2.0.1...v2.1.0
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| 54 |
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| 55 | ## [2.0.1] - 2018-08-08
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| 56 | - Fixes ``BlockHeader.prototype.validate()`` bug, see PR [#49](https://github.com/ethereumjs/ethereumjs-block/pull/49)
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| 57 |
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| 58 | [2.0.1]: https://github.com/ethereumjs/ethereumjs-vm/compare/v2.0.0...v2.0.1
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| 59 |
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| 60 | ## [2.0.0] - 2018-06-25
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| 61 | This release introduces both support for different ``chains`` (``mainnet``, ``ropsten``, ...)
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| 62 | and ``hardforks`` up to the latest applied HF (``byzantium``). Parameters and genesis values
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| 63 | are provided by the new [ethereumjs-common](https://github.com/ethereumjs/ethereumjs-common)
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| 64 | library which also defines the set of supported chains and forks.
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| 65 |
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| 66 | Changes in detail:
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| 67 | - New initialization parameters ``opts.chain`` (default: ``mainnet``) and ``opts.hardfork``
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| 68 | (default: ``null``, block number-based behaviour), PR [#44](https://github.com/ethereumjs/ethereumjs-block/pull/44)
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| 69 | - Alternatively a ``Common`` class object can be provided directly with the ``opts.common`` parameter,
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| 70 | see [API](https://github.com/ethereumjs/ethereumjs-block/blob/master/docs/index.md) docs
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| 71 | - Correct block validation for all know hardforks, PR
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| 72 | [#47](https://github.com/ethereumjs/ethereumjs-block/pull/47), if no hardfork is set validation logic
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| 73 | is determined by block number in combination with the ``chain`` set
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| 74 | - Genesis block initialization depending on the ``chain`` set (see ``ethereumjs-common`` for supported chains)
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| 75 | - Extensive test additions to cover the newly introduced capabilities and changes
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| 76 | - Fix default value for ``nonce`` (empty buffer -> ``<Buffer 00 00 00 00 00 00 00 00>``), PR [#42](https://github.com/ethereumjs/ethereumjs-block/pull/42)
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| 77 |
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| 78 | [2.0.0]: https://github.com/ethereumjs/ethereumjs-vm/compare/v1.7.1...v2.0.0
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| 79 |
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| 80 | ## [1.7.1] - 2018-02-15
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| 81 | - Fix ``browserify`` issue blocking updates for packages depending on ``ethereumjs-block``
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| 82 | library, PR [#40](https://github.com/ethereumjs/ethereumjs-block/pull/40)
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| 83 | - Updated ``ethereumjs/common`` dependency, PR [#38](https://github.com/ethereumjs/ethereumjs-block/pull/38)
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| 84 |
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| 85 | [1.7.1]: https://github.com/ethereumjs/ethereumjs-vm/compare/v1.7.0...v1.7.1
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| 86 |
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| 87 | ## [1.7.0] - 2017-10-11
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| 88 | - ``Metro-Byzantium`` compatible
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| 89 | - New difficulty formula (EIP 100)
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| 90 | - Difficulty bomb delay (EIP 649)
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| 91 | - Removed ``isHomestead``, ``isHomesteadReprice`` from API methods
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| 92 |
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| 93 | [1.7.0]: https://github.com/ethereumjs/ethereumjs-vm/compare/v1.6.0...v1.7.0
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| 94 |
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| 95 | ## [1.6.0] - 2017-07-12
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| 96 | - Breakout header-from-rpc as separate module
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| 97 |
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| 98 | [1.6.0]: https://github.com/ethereumjs/ethereumjs-block/compare/v1.5.1...v1.6.0
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| 99 |
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| 100 | ## [1.5.1] - 2017-06-04
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| 101 | - Dev dependency updates
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| 102 | - BN for gas limit
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| 103 |
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| 104 | [1.5.1]: https://github.com/ethereumjs/ethereumjs-block/compare/v1.5.0...v1.5.1
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| 105 |
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| 106 | ## Older releases:
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| 107 |
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| 108 | - [1.5.0](https://github.com/ethereumjs/ethereumjs-block/compare/v1.4.0...v1.5.0) - 2017-01-31
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| 109 | - [1.4.0](https://github.com/ethereumjs/ethereumjs-block/compare/v1.3.1...v1.4.0) - 2016-12-15
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| 110 | - [1.3.1](https://github.com/ethereumjs/ethereumjs-block/compare/v1.3.0...v1.3.1) - 2016-10-14
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| 111 | - [1.3.0](https://github.com/ethereumjs/ethereumjs-block/compare/v1.2.2...v1.3.0) - 2017-10-11
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| 113 |
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