Questions tagged [ethereumjs-tx]
The ethereumjs-tx tag has no usage guidance.
42
questions
0
votes
1answer
17 views
Why do we use `serialize` function of `ethereumjs-tx` package before broadcasting a transaction
I just want to know the purpose/functionality of serialize function which we use before broadcasting a transaction:
const serializedTransaction = tx.serialize()
const raw = '0x' + ...
0
votes
0answers
83 views
eth_sendTransaction doesn't exist when using Infura node
I'm trying to sign a transaction offline and then send it using sendRawTransaction since I'm connected to an Infura node. My raw transaction looks like this:
let data = gntContract.transfer('...
2
votes
1answer
24 views
What does it mean to serialize a transaction?
In tx library there is a function: serialize() that "serializes" your transaction object. You can then convert that serialization into hexa decimal string, and use it to send the transaction with the ...
1
vote
0answers
175 views
raw_tx_demo.js of “Mastering Ethereum” : TypeError: ethTx is not a constructor
I ran raw_tx_demo.js, an example code on page 119 of "Mastering Ethereum" by Antonopoulos and Wood, but got an error message below:
$ node raw_tx_demo.js
/Users/gemcutter/raw_tx_demo.js:22
tx = new ...
0
votes
1answer
392 views
transaction stuck in txpool as pending
I have a geth node, and using truffle-hd-wallet. I am trying to create a transaction between coinbase and the account created by hd-wallet.Created a raw transaction and signed it with privatekey of ...
1
vote
0answers
126 views
What is the networkid and chain id of truffle cli?
I am using truffle console to deploy contracts and using Nodejs/web3js to interract with it. I wanted to use ethereumjs-tx for signing transaction, here is the reference link. I am not sure ,how can ...
1
vote
2answers
170 views
Call a function in meteor wihout confirmation in metamask
I am working on university project and this is the only and last point i need your help. I want to call automatically a state-changing function in meteor without the submit confirmation in metamask. ...
0
votes
1answer
457 views
Transaction signing fails Invalid RLP.“,”data“:”RlpExpectedToBeList"
I'm trying to sign and push a transaction using ethereumjs and Infura. It seems to be working and I'm getting a transaction hash back, but the transaction is not visible on Etherscan, and when I'm ...
0
votes
1answer
39 views
Transaction being reverted by EVM during contract creation (Web3 / ethereumjs-tx)
Hey guys I am running into an issue deploying a smart contract with Web3 to the Ropsten network. The code is running seemingly correctly, and there is a contract address being created, but if I check ...
0
votes
0answers
159 views
intermediate value is not iterable
I try to construct a transaction with Node (11.4.0), ethereumjs-tx (1.3.7) and web3 (1.0.0-beta.55) and Infura.
Infura gives me '0x35b' for the nonce,
then I create the tx:
amount = 0.001;
nonce = '...
3
votes
1answer
158 views
What units of ether does ethereumjs-tx use
Trying to follow this example 100 wei seems very low for the gas price. Is it using a different unit? I'm also slightly unsure if the value should be hex or decimal, or if it accepts both
1
vote
1answer
135 views
How create transaction raw data for using “eth_sendRawTransaction” in C#
My IoT device connects to another computer via Wi-Fi on which Ethereum (Truffle/Ganache) is running which receive a RPC from the IoT.
My task is to create raw transaction data on this IoT Device, so ...
2
votes
2answers
2k views
Need help signing a raw transaction with “ethereumjs-tx”
Here's a NodeJS script where I'm trying to send a raw transaction. I've tried changing params in a lot of different ways and always get the same error. What am I missing? I'm following an example from ...
0
votes
1answer
537 views
Error: types/values length mismatchProblem when calling payable contract function with web3
Enviroment
Node version: v10.15.3
Web3: ^1.0.0-beta.50
Net: Ropsten
My smart contract is a very simple payable/balance one and my goal is to contribute 0.1 ETH to raise the contract balance using ...
0
votes
0answers
213 views
Sign a transaction locally and send it
I'm using Infura as my web3 provider, and have MetaMask installed to connect to the blockchain. I'm trying to send a transaction, but have learned that Infura is read-only, and doesn't support the ...
0
votes
2answers
751 views
web3.js library not loading properly
I am trying to load web3 library after installing it via command prompt. However, looks like it is not loading properly as it is not showing all the details for Ethereum ecosystem (ex. unitmap of ...
5
votes
1answer
2k views
Web3.js 1.0 sendSignedTransaction returns error: Invalid RLP
Running parity private PoA chain, using latest parity client + nodejs + web3.js 1.0
When I try to sign a transaction and then send it following web3.js 1.0 documentation (sendTransaction and ...
1
vote
0answers
74 views
Unhandled promise rejection (rejection id: 100): TypeError: Invalid hex string
Getting this error when calling a write function in the smart contract. Please find the code below.
getListedAsValidator: function(address,sender, callback) {
var self = this;
var config = ...
1
vote
2answers
182 views
Read state from smart contract deployed to azure proof of authority ethereum network
I deployed a smart contract to an azure proof of authority network(ethereum). Following the instructions here https://docs.microsoft.com/en-us/azure/blockchain/templates/ethereum-poa-deployment#...
0
votes
1answer
192 views
Trying to send signed transaction through web browser using ethereum-tx
I am working on signing and sending a transaction using web3 v1.0 and Infura.io. I have setup a script to run the TX but cannot seem to get ethereum-tx to connect in the browser.
<script src="...
1
vote
1answer
285 views
Unable to Generate Same Account from MetaMask Mnemonic in EthereumJSWallet
I've been unable to generate the Account I see in MetaMask in EthereumJSWallet even if I use the same mnemonic.
Due to the lack of documentation, I may be misunderstanding how to do so.
I have run ...
4
votes
2answers
1k views
RangeError: private key length is invalid (In New ETH Transaction pragmatically)
Followed this Ans
Ans1 and Ans2 but no solution got.
const web3 = new Web3('https://ropsten.infura.io/v3/3c52917848e945229c0d33d632b10490');
const account1 = '...
0
votes
1answer
74 views
transaction value does not match signed transaction params in ethereumJS-TX
I sign this transaction with Ethereumjs-tx:
{
nonce: 8,
gasPrice: 20,
gasLimit: 25000,
to: '0x45cc01d4b9ad49b81527d5b6629da8664bb525d3',
value: 1000000,
data: '0x00',
...
1
vote
0answers
72 views
When trying to perform sendSignedTransaction iteratively on wallets in an array, an undefined error is returned
I'm trying to write a script that takes as input a JSON array where each element of the array has an address and a corresponding private key. I'd like to have a function that iterates through this ...
1
vote
0answers
27 views
Trying to iterate through an array to send signed transactions results in one failure and one success
I'm trying to iterate through an array of address/key pairs and send a transaction from each one. When I do this on testrpc with an array of the account info for two different accounts, one ...
3
votes
1answer
617 views
ganache-cli doesn't have enough funds to send tx – number increases proportionally to however much I initialize a wallet with
I'm trying to write a simple function to send a transaction using web3 and ethereumjs-tx that empties the wallet of an account (call this account A) into another account (account B). However, no ...
3
votes
0answers
291 views
How to use ethereumjs-vm to find the internal transactions for a transaction/block using infura.io
I am using infura.io as my node and trying to get the internal transactions (i.e. transfers initiated by smart contract) for a specific transaction (or its parent block). I have two attempts (both ...
3
votes
1answer
301 views
Can't send data to non-contract address using web3 1.0.0 and ganache
Problem
According to this question, it is possible to send data to a non-contract address in Ethereum.
However, if I run my code which sends ether from the first account to the second account on ...
0
votes
1answer
421 views
Problem with sending ERC20 token using web3@1.0.0
Circumstance
I have followed all indications from this GH issue and from other SO posts. The transaction gets successfully broadcasted but no tokens are transferred.
When I check the balance before ...
1
vote
0answers
348 views
Cannot find module ethereumjs-tx even though it is there [duplicate]
I'm trying to send a signed transaction from a web interface using web3, web3 is loaded and I'm connected to an Infuro.io node. Ethereumjs-tx is installed and I've also included it as seperate JS, but ...
0
votes
1answer
208 views
How to get all the contracts deployed by a specific ethereum address?
It is anyhow possible to get all the contracts deployed by a specific ethereum address in lifetime?
If yes, is it possible to get ABI details of the contract by their address?
0
votes
1answer
117 views
How off-chain Tx reduce the cost and problems?
X and Y locked up 1 ETH each on-chain.
Balance: X (1 ETH) & Y (1 ETH).
X signed off-chain Tx sending 0.1 ETH to Y.
Balance: X (0.9) & Y (1.1).
X signed off-chain Tx sending 0.2 ETH to Y.
...
0
votes
1answer
145 views
Offline signed contract throws 'exceeds block gas limit'. Why can't I deploy?
I'm trying to deploy a smart contract onto the Ethereum blockchain by signing the transaction on an offline computer and then transferring the byte code to an online system for deployment. Because of ...
0
votes
1answer
358 views
“The field value must not have more 32 bytes” trying to create transaction from contract method call
I've already interacted with this contract instance using a local Geth node with my wallet loaded/unlocked, so I know there's nothing wrong with the contract.
Now I'm using an Infura RPC node instead ...
2
votes
0answers
808 views
SOLVED - sendRawTransaction (no) errors, valid tx, not found when scanned
I have a method that is supposed to create a transaction, send some wei and validate. When looking around I red that you can use infura.io. I also checked that you need to use raw transactions because ...
3
votes
1answer
151 views
web3.js Transactions security/differences
While learning how to use the web3.js package I came across two types of transactions:
RawTransactions/ web3.eth.sendawTransaction(...) and
simple Transactions/ web3.eth.sendTransaction(...)
I ...
4
votes
4answers
907 views
Raw transaction structure
I made two raw transactions. One was generated by ethereumjs-tx, the other by MyEtherWallet. They are identical until about the last seventh of the way through. Is there a way to work out what caused ...
0
votes
1answer
2k views
Call a Contract With Web3JS/ethereumjs-tx
I want to execute a smart contract on the blockchain. As far as I understood this web3js offers two options
call: executes the contract method locally without using gas
execute: executes the contract ...
3
votes
0answers
1k views
Issue won't allow this transaction (Smart contract)
•Windows 8
•Mist 0.8.9
•Tesnet
When I publish my crowdsale smart contract and try to send ethers,i have this warning
5
votes
3answers
3k views
Proper Transaction Signing
I am trying to implement a voting system in nodejs. My server needs to be able to create transactions and send them to the ethereum blockchain when provided with the user private key. I have tried ...
1
vote
0answers
119 views
eth-lightwallet installation error
I'm using Meteor and have installed eth-lightwallet by typing
meteor npm install --save eth-lightwallet
and
meteor npm install --save ethereumjs-tx
However, when I import lightwallet from "eth-...
0
votes
0answers
94 views
Who pays for the gas when i send a transaction containing a signed transaction of another user
I would love it if there was a way for me to pay the gas costs for a signed transaction I receive and then relay to a node.
So I am the submitting the transaction, but its data contains a signed raw ...
