Merge pull request #72 from ethereumjs/new-release-v330

New release v3.3.0 (Constantinople support for validation)

Author: holgerd77

CHANGELOG.md

@@ -6,6 +6,12 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 
+## [3.3.0] - 2018-10-19
+- Constantinople support when using block validation (set with ``opts.validate`` in constructor),
+ update to a Constantinople-ready version of the ``ethereumjs-block`` dependency (>2.1.0), PR [#71](https://github.com/ethereumjs/ethereumjs-blockchain/pull/71)
+
+[3.3.0]: https://github.com/ethereumjs/ethereumjs-blockchain/compare/v3.2.1...v3.3.0
+
 ## [3.2.1] - 2018-08-29
 - Fixed an issue with the ``iterator()`` function returning an error on end of block iteration instead of finish gracefully, PR [#64](https://github.com/ethereumjs/ethereumjs-blockchain/pull/64)
 - Updated ``ethereumjs-common`` dependency to ``v0.5.0`` (custom chain support), PR [#63](https://github.com/ethereumjs/ethereumjs-blockchain/pull/63)

README.md

@@ -31,6 +31,10 @@ new Blockchain({db: db}).iterator('i', (block, reorg, cb) => {
 }, (err) => console.log(err || 'Done.'))
 ```
 
+**WARNING**: Since ``ethereumjs-blockchain`` is also doing write operations
+on the DB for safety reasons only run this on a copy of your database, otherwise this might lead
+to a compromised DB state.
+
 # API
 
 - [`Blockchain`](#blockchain)
@@ -56,7 +60,7 @@ Implements functions for retrieving, manipulating and storing Ethereum's blockch
 ### `new Blockchain(opts)`
 Creates new Blockchain object
 - `opts.db` - Database to store blocks and metadata. Should be a [levelup](https://github.com/rvagg/node-levelup) instance.
-- `opts.validate` - this the flag to validate blocks (e.g. Proof-of-Work).
+- `opts.validate` - this the flag to validate blocks (e.g. Proof-of-Work), latest HF rules supported: ``Constantinople``.
 
 [DEPRECATION NOTE]
 The old separated DB constructor parameters `opts.blockDB` and `opts.detailsDB` from before the Geth DB-compatible ``v3.0.0`` release are deprecated and continued usage is discouraged. When provided `opts.blockDB` will be used

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ethereumjs-blockchain",
-  "version": "3.2.1",
+  "version": "3.3.0",
   "description": "A module to store and interact with blocks",
   "main": "index.js",
   "scripts": {