git ssb - Merge pull request #21 from ewasm/blockhash · wanderer🌟/js-primea-hypervisor@a4de660a

implemented blockHash stub

wanderer authored on 8/18/2016, 2:05:56 AM
GitHub committed on 8/18/2016, 2:05:56 AM
Parent: 1258de512d97564568307c5b1f4041dd7a10820f
Parent: 5eb51da3f2ba58b98e6d220d7c90faccdb75b6b6

environment.jsView
		@@ -1,11 +1,18 @@
1	1	const constants = require('./constants.js')
2	2	const U256 = require('./u256.js')
3	3	const Address = require('./address.js')
	4	+const ethUtils = require('ethereumjs-util')
	5	+const Block = require('ethereumjs-block')
	6	+const blockChain = require('./fakeBlockChain.js')
4	7
5	8	module.exports = class Environment {
6	9	constructor (data) {
	10	+ const block = new Block()
	11	+
7	12	const defaults = {
	13	+ block: block,
	14	+ number: ethUtils.bufferToInt(block.header.number),
8	15	// gas tank
9	16	gasPrice: 0,
10	17	gasLimit: 1000000, // The gas limit for the block
11	18	gasRefund: 0,
		@@ -39,9 +46,9 @@
39	46	return this.state.get(address.toString()).code
40	47	}
41	48
42	49	getBlockHash (height) {
43		- // STUB
	50	+ return blockChain.getBlock(height).hash()
44	51	}
45	52
46	53	// kernal
47	54	create (code, value) {

fakeBlockChain.jsView
		@@ -1,0 +1,13 @@
	1	+const utils = require('ethereumjs-util')
	2	+
	3	+module.exports = {
	4	+ getBlock: (n) => {
	5	+ const hash = utils.sha3(new Buffer(utils.bufferToInt(n).toString()))
	6	+ const block = {
	7	+ hash: () => {
	8	+ return hash
	9	+ }
	10	+ }
	11	+ return block
	12	+ }
	13	+}

wanderer🌟 / js-primea-hypervisor