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Getting hash transactions Ethereum without a private key
As a developer working with Ethereum, you may need to get transaction hash from mining or broadcasting transaction without access to a private key. One of the approaches is the use of RSV values (randomized supply value) associated with the transaction.
In this article, we will examine how to obtain the hash reports of transactions Ethereum using RSV values and then discuss alternative methods.
Understanding hash transaction Ethereum
Ethereum hash transactions is a unique 64-character chain that serves as a fingerprint digital fingerprint. To get a transaction does not have a private key, you must know at least one of the following:
- Transaction ID
: You can get it by searching for a transaction at Ethereum Blockchain Explorer.
- Hash transactions (without a private key) : This is a chain of the 64-character that represents the transaction itself. We will use RSV values to obtain it.
Get hash transactions with RSV values
Ethereum blockchain uses a combination of RSV values and hash to represent the content of each block. And has the standard has:
* R (random delivery value) : random value between 0 and 1, used for further deliveries.
* s (supply value) : Current supply value.
* V (value) : The value of the decimal value representing the amount of the transaction.
It has a private key to obtain a transaction, using RSV values. Here’s a step by step procedure:
- The obbock content of the block:
* Use the Ethereum client such as ether.Js or web3.py to read the block data.
- Extract the value of the transaction ID and RSV:
* Identify the transaction ID from Blockchain Explorer or search for a network transaction.
* Get RSV values (R, S, V) for the transaction specified.
- Calculate the hash transactions without a private key:
* Use the hashing algorithm, such as SHA-256, to combine RSV and transaction data.
Here are several sample codes in JavaScript using web3.Js:
`Javascript
Const Web3 = Require ('Web3');
Const Ethers = requirement ("Etters");
// Set your Ethereum provider (eg infura, alchemy)
Const Provider = New Web3.Providers.httprovider ('
Async function GettransactionHash (transactions) {
Const block = AWAIT provider.getblock (transactionid);
Const TransactionData = bloc.Hash;
// Get RSV values for a specified transaction
Const RSVVALUES = BLACK.TRANSACTIONS [0] .RSV;
Const s = block.transactions [0] .s;
Const v = block.transactions [0] .v;
// Calculate the hash transactions without a private key
Const txhash = eéters.Utils.soliidsafeatdress (
Web3.utils.Tohex (RSVVALUES) +
Web3.utils.Tohex (s) +
Web3.UTILS.TOHEX (V)
);
Return TXHash;
}
// Get hash transactions for a specific transaction ID
GettransactionHash ('transactid').
Console.log (TXHash);
});
Alternative methods
When using RSV values is one of the approaches, there are other methods to obtain a transaction that has without a private key:
- Check Blockchain Explorer : Search for a transaction to a blockchain ethereum explorer such as Etherscan or Blockscat to get the transaction ID and RSV ID values.
- Use a library : Use libraries as
ethers.js(as mentioned above) that provide the API to interact with the Ethereum network without having a private key.
Please note that these alternative methods may have different levels of safety, accuracy or availability compared to the use of a private key.
By understanding how to load Ethereum HASS transactions without a private key, you can now move forward in your development projects and work with Ethereum.
