Ethereum: Guide for a beginner to request Blockchain
As a cryptocurrency enthusiast, understanding how the blockchain works is essential for making informed decisions on investment and projects. One of the key aspects of this is to ask a blockchain that allows you to access and analyze transactions, addresses and other appropriate information. In this article, we will look at the basics of Ethereum's requests and provide examples of how to execute different requests.
What does a blockchain request mean?
In Ethereum, the request refers to a specific request that extracts specific data from Blockchain. By asking a blockchain, you can gain an idea of your assets behavior over time, identify trends and optimize your investment solutions.
Basic Functions of Ethereum's requests
To start asking the Ethereum blockchain, you will need to understand the basic features provided by the language programming language used on the web. These features allow you to interact with the mechanisms of storage and retrieve Blockchain data.
Here are some of the most common functions of requests:
eth_getblockbyhash (): extracts a block from his hash.
eth_gettransctionCount (): Returns the number of transactions to a block or the entire blockchain.
ETH_GETTRANSActionCountofaddress (): Returns the number of transactions to a specific address.
ETH_GETADDRESS (): retrieves address data, including its balance and transaction history.
ETH_GETBLOCKHEADERBYNUMBER (): extracts a block -sampling from its hash.
Sample requests: finding X transactions in time
Let's use these features to ask for Ethereum blockchain and find out how many addresses have X transactions over time.
1. Find the average size of Bitcoin Transaction
To find the average size of a bitcoin transaction, we can ask the ETH_GETBLOCKBYHASH ()" feature for each block in Bitcoin Blockchain and calculate the total value of all transactions in each block.
Solidness
Pragma Solidity ^0.8.0;
A permanent coverage contract {
UINT256 Public BitcoIntransiatiize;
Addressing public bitcoins;
mapping (Uint256 => Uint256) public transactions;
Function __init (Address _bitcoInaddress) Public {
bitcoinaddress = _bitcoinaddress;
}
Query () Public Returns (Uint256, Uint256) {
for (address _bitcoinaddress in Bitcoinaddress) {
// Bitcoin Blockchain request
Uint256 blockhash = tx.origin; // Replace with your current transaction details
// Get the total value of transactions in this block
Uint256 Totalvalue = 0;
for (Uint256 I = 1; I <= 10; I ++) {// Change a reasonable number of transactions for a block
Uint256 Transactionhash = TXhash (Blockhash, i);
TransactionCounts [transactionhash] += tx.Value * i;
TOTALVALUE += TX.VALUE * I;
}
// Calculate the average transaction size
BitcoIntransactions += (Totalvalue / 10) * I;
}
}
}
`
2. Find the number of addresses with x transactions
To find the number of addresses with X transactions, we can ask the feature eth_getblockbyhash () for each block in the Ethereum blockchain and count the number of addresses in each block.
`Solidness
Pragma Solidity ^0.8.