Top 10 Examples of "ethereumjs-util in functional component" in JavaScript
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it('should give proper information about the TX input', async () => {
const tx = createTransaction(TxTypeSplit, 0,
[{
blockNumber: 1,
txNumberInBlock: 200,
outputNumberInTransaction: 0,
amount: 10
}],
[{
amount: 10,
to: alice
}],
aliceKey
)
const reencodedTX = tx.serialize();
const info = await txTester.getInputInfo(ethUtil.bufferToHex(reencodedTX), 0);
const blockNumber = info[0].toNumber();
const txNumberInBlock = info[1].toNumber();
const outputNumber = info[2].toNumber();
const amount = info[3].toString(10);
assert(blockNumber === 1);
// assert(txNumberInBlock === 200);
assert(outputNumber === 0);
assert(amount === ""+10);
});p2pClient.on('status-changed', (s) => {
// console.log('STATUS', s)
if (s === 'connected') {
start = Date.now();
for (var i = 0; i < 1000; i++) {
transferredAmount = transferredAmount.add(new util.BN(1));
engine.sendDirectTransfer(util.toBuffer(acct4), transferredAmount);
//var msg = sendQueue[sendQueue.length -1];
}
end = Date.now();
cl("Direct Transfers Sent Per SECOND per USER " + 1000 / ((end - start) / 1000));
}
}
)RootChain,
ERC20Validator
} from '../helpers/contracts'
let ChildChain = artifacts.require('../child/ChildChain.sol')
let ChildToken = artifacts.require('../child/ChildERC20.sol')
const web3Child = new web3.constructor(
new web3.providers.HttpProvider('http://localhost:8546')
)
ChildChain.web3 = web3Child
ChildToken.web3 = web3Child
const BN = utils.BN
const rlp = utils.rlp
// const printReceiptEvents = receipt => {
// receipt.logs.forEach(l => {
// console.log(l.event, JSON.stringify(l.args))
// })
// }
contract('ERC20Validator', async function(accounts) {
describe('initialization', async function() {
let stakeToken
let rootToken
let childToken
let rootChain
let stakeManager
let wallets
let childChainassert(exitRecord[6].toNumber() === 0)
assert(exitRecord[7] === true)
assert(exitRecord[8] === false)
//now lets offer a buyoyt for half of the amount
// function publishPreacceptedBuyout(
// bytes22 _index,
// uint256 _amount,
// address _beneficiary,
// uint8 v,
// bytes32 r,
// bytes32 s
// )
const valueBuffer = (new BN(50)).toBuffer("be", 32)
const dataToSign = Buffer.concat([ethUtil.toBuffer(exitRecordHash), valueBuffer, ethUtil.toBuffer(bob)])
const hashToSign = ethUtil.hashPersonalMessage(dataToSign)
const signature = ethUtil.ecsign(hashToSign, aliceKey)
const {v, r, s} = signature
let oldBalanceAlice = await web3.eth.getBalance(alice);
submissionReceipt = await plasma.publishPreacceptedBuyout(
exitRecordHash,
50,
bob,
v,
ethUtil.bufferToHex(r),
ethUtil.bufferToHex(s),
{from: bob, value: 50})
assert(submissionReceipt.logs.length == 1);
let offer = await plasma.exitBuyoutOffers(exitRecordHash);
assert(offer[1] === bob);
assert(offer[0].toString(10) === "50");async function signV2Order(order) {
const signature = await promisify(web3Instance.eth.sign)(
getV2OrderHash(order), order.makerAddress
);
const { v, r, s } = ethUtil.fromRpcSig(signature);
// 0x00 Illegal
// 0x01 Invalid
// 0x02 EIP712 (no prepended string)
// 0x03 EthSign (prepended "\x19Ethereum Signed Message:\n32")
// 0x04 Wallet
// 0x05 Validator
// 0x06 PreSigned
// 0x07 NSignatureTypes
const sigType = 3;
return ethUtil.bufferToHex(
Buffer.concat([
ethUtil.toBuffer(v),
r,
s,// check storage
if (testData.post) {
const expectedAccount = testData.post[testData.exec.address]
// TODO: check all accounts
if (expectedAccount) {
const expectedStorage = expectedAccount.storage
if (expectedStorage) {
for (let key in expectedStorage) {
const keyHex = (new U256(key)).toString(16)
// pad values to get consistent hex strings for comparison
let expectedValue = ethUtil.setLengthLeft(ethUtil.toBuffer(expectedStorage[key]), 32)
expectedValue = '0x' + expectedValue.toString('hex')
let actualValue = environment.state[testData.exec.address]['storage'][keyHex]
if (actualValue) {
actualValue = '0x' + ethUtil.setLengthLeft(ethUtil.toBuffer(actualValue), 32).toString('hex')
} else {
actualValue = '0x' + ethUtil.setLengthLeft(ethUtil.toBuffer(0), 32).toString('hex')
}
t.equals(actualValue, expectedValue, `should have correct storage value at key ${key}`)
}
}
}
}
}import Trie from 'merkle-patricia-tree'
import utils from 'ethereumjs-util'
import EthereumTx from 'ethereumjs-tx'
import EthereumBlock from 'ethereumjs-block/from-rpc'
import MerkleTree from '../helpers/merkle-tree.js'
const rlp = utils.rlp
// raw header
function getRawHeader(_block) {
if (typeof _block.difficulty !== 'string') {
_block.difficulty = '0x' + _block.difficulty.toString(16)
}
const block = new EthereumBlock(_block)
return block.header
}
// squanch transaction
export function squanchTx(tx) {
tx.gasPrice = '0x' + parseInt(tx.gasPrice).toString(16)
tx.value = '0x' + parseInt(tx.value).toString(16) || '0'
tx.gas = '0x' + parseInt(tx.gas).toString(16)if (self.opts.debug) {
vm.on('step', function (data) {
console.log(data.opcode.name)
})
}
// create tx
var txParams = payload.params[0]
// console.log('params:', payload.params)
const normalizedTxParams = {
to: txParams.to ? ethUtil.addHexPrefix(txParams.to) : undefined,
from: txParams.from ? ethUtil.addHexPrefix(txParams.from) : undefined,
value: txParams.value ? ethUtil.addHexPrefix(txParams.value) : undefined,
data: txParams.data ? ethUtil.addHexPrefix(txParams.data) : undefined,
gasLimit: txParams.gas ? ethUtil.addHexPrefix(txParams.gas) : block.header.gasLimit,
gasPrice: txParams.gasPrice ? ethUtil.addHexPrefix(txParams.gasPrice) : undefined,
nonce: txParams.nonce ? ethUtil.addHexPrefix(txParams.nonce) : undefined,
}
var tx = new FakeTransaction(normalizedTxParams)
tx._from = normalizedTxParams.from || '0x0000000000000000000000000000000000000000'
vm.runTx({
tx: tx,
block: block,
skipNonce: true,
skipBalance: true
}, function(err, results) {
if (err) return cb(err)
if (results.error != null) {
return cb(new Error("VM error: " + results.error))
}enableHomestead: true
})
if (self.opts.debug) {
vm.on('step', function (data) {
console.log(data.opcode.name)
})
}
// create tx
var txParams = payload.params[0]
// console.log('params:', payload.params)
const normalizedTxParams = {
to: txParams.to ? ethUtil.addHexPrefix(txParams.to) : undefined,
from: txParams.from ? ethUtil.addHexPrefix(txParams.from) : undefined,
value: txParams.value ? ethUtil.addHexPrefix(txParams.value) : undefined,
data: txParams.data ? ethUtil.addHexPrefix(txParams.data) : undefined,
gasLimit: txParams.gas ? ethUtil.addHexPrefix(txParams.gas) : block.header.gasLimit,
gasPrice: txParams.gasPrice ? ethUtil.addHexPrefix(txParams.gasPrice) : undefined,
nonce: txParams.nonce ? ethUtil.addHexPrefix(txParams.nonce) : undefined,
}
var tx = new FakeTransaction(normalizedTxParams)
tx._from = normalizedTxParams.from || '0x0000000000000000000000000000000000000000'
vm.runTx({
tx: tx,
block: block,
skipNonce: true,
skipBalance: true
}, function(err, results) {
if (err) return cb(err)function normalizeDecodedValue(type, value) {
if (_.isArray(value))
return _.map(value, v => normalizeDecodedValue(type, v));
const elementType = /^[a-z0-9]+/i.exec(type)[0];
assert(elementType);
// Convert addresses to checksummed addresses.
if (elementType == 'address')
return ethjs.toChecksumAddress(value);
// Convert integers to strings.
if (/^u?int/.test(elementType) && _.isObject(value))
return value.toString(10);
// Resize bytes values.
const m = /^bytes(\d+)?$/.exec(elementType);
if (m && m[1]) {
const size = parseInt(m[1]);
return ethjs.bufferToHex(ethjs.setLengthRight(value, size));
}
return value;
}