ethash, other: fixed README example, small fixes

Author: holgerd77

README.md

@@ -43,13 +43,13 @@ This monorepo uses [Lerna](https://lerna.js.org/). It links the local packages t
 TLDR: Setup
 ```sh
 npm install
-npm build
+npm run build
 ```
 
 TLDR: To update dependencies and (re-)link packages
 ```sh
 npm run bootstrap
-npm build
+npm run build
 ```
 
 Above is the quickest way to set you up. Going down the road, there are two sets of commands: *project* and *package-specific* commands. You can find them at `./package.json` and `./packages/*/package.json`, respectively. Here's a breakdown:

packages/blockchain/CHANGELOG.md

@@ -122,8 +122,6 @@ in performance benefits for Node.js consumers, see [here](https://github.com/eth
 - Fixed blockchain hanging forever in case code throws between a semaphore `lock`/`unlock`,
   Issue [#877](https://github.com/ethereumjs/ethereumjs-vm/issues/877)
 
-[5.0.0]: https://github.com/ethereumjs/ethereumjs-vm/compare/%40ethereumjs%2Fblockchain%404.0.2...%40ethereumjs%2Fblockchain%405.0.0
-
 ## 4.0.4 - 2020-07-27
 
 This release replaces the tilde (`~`) dependency from `ethereumjs-util` for a caret (`^`) one, meaning that any update to `ethereumjs-util` v6 will also be available for this library.

packages/common/docs/classes/_index_.common.md

@@ -368,13 +368,13 @@ ___
 
 ###  hardfork
 
-▸ **hardfork**(): *string | null*
+▸ **hardfork**(): *string*
 
 *Defined in [index.ts:599](https://github.com/ethereumjs/ethereumjs-vm/blob/master/packages/common/src/index.ts#L599)*
 
 Returns the hardfork set
 
-**Returns:** *string | null*
+**Returns:** *string*
 
 Hardfork name
 

packages/common/src/index.ts

@@ -596,7 +596,7 @@ export default class Common {
    * Returns the hardfork set
    * @returns Hardfork name
    */
-  hardfork(): string | null {
+  hardfork(): string {
     return this._hardfork
   }
 

packages/ethash/README.md

@@ -8,15 +8,17 @@
 
 Implements [Ethash](https://github.com/ethereum/wiki/wiki/Ethash).
 
+Note: this `README` reflects the state of the library from `v1.0.0` onwards. See `README` from the [standalone repository](https://github.com/ethereumjs/ethashjs) for an introduction on the last preceeding release.
+
 # INSTALL
 
-`npm install ethashjs`
+`npm install @ethereumjs/ethash`
 
 # USAGE
 
-```javascript
-const Ethash = require('@ethereumjs/ethash')
-const Block = require('@ethereumjs/block')
+```typescript
+import Ethash from '@ethereumjs/ethash'
+import { Block } from '@ethereumjs/block'
 const level = require('level-mem')
 
 const cacheDB = level()
@@ -25,7 +27,7 @@ const ethash = new Ethash(cacheDB)
 const validblockRlp =
   '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'
 
-const validBlock = new Block(Buffer.from(validblockRlp, 'hex'))
+const validBlock = Block.fromRLPSerializedBlock(Buffer.from(validblockRlp, 'hex'))
 
 const result = await ethash.verifyPOW(validBlock)
 console.log(result) // => true

packages/ethash/package.json

@@ -40,7 +40,7 @@
     "miller-rabin": "^4.0.0"
   },
   "devDependencies": {
-    "@ethereumjs/block": "3.0.0-beta.1",
+    "@ethereumjs/block": "3.0.0-beta.2",
     "@ethereumjs/config-coverage": "^2.0.0",
     "@ethereumjs/config-typescript": "^2.0.0",
     "@ethereumjs/eslint-config-defaults": "^2.0.0",