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v4.0.0 - TypeScript Release

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@holgerd77 holgerd77 released this 26 Apr 10:04
· 35 commits to master since this release
v4.0.0
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Learn about vigilant mode.

First TypeScript based release of the library. TypeScript handles ES6 transpilation a bit differently (at the end: cleaner) than babel so require syntax of the library slightly changes to:

let Blockchain = require('ethereumjs-blockchain').default

The library now also comes with a type declaration file distributed along with the package published.

This release drops support for Node versions 4 and 6 due to internal code updates requiring newer Node.js versions and removes the previously deprecated DB constructor options opts.blockDb and opts.detailsDb.

Change Summary:

  • Migration of code base and internal toolchain to TypeScript, PR #92
  • Refactoring of DB operations introducing a separate DBManager class (comes along with dropped Node 6 support), PR #91
  • Auto-generated TSDoc documentation, PR #98
  • Replaced safe-buffer with native Node.js Buffer usage (this comes along with dropped support for Node 4), PR #92
  • Dropped deprecated DB options, PR #100
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