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Title: Creating customs transactions in Ethereum: Step by step guide
Entry:
Ethereum is a decentralized platforming that allows you to crate intelligent contracts and decentralized applications (DAPP). While’s standard transactions such as OP_DUP, OP_HASH160 and OP_EQUALVERIFY are widely unused, some users may be a non-standard transactions. In this article we walk present a step – step guids on how to crate a non-standard transaction with a non-standard script in Ethereum.
What is a non-standard transaction?
The non-standard transaction in Ethereum referral to any type of transaction that is no line the standard formula OP_DUP, OP_HASH160 and OP_EQUALVERIFY. Non-standard transactions can be unused for various purposes, such as:
- Payment system
- Identity verification
- Data stock
- And more
Creating a custom transaction:
Tool off the “TX” tool off the the Ethereum Script language, a solidity.
- Write your crept: Write a solidity functioning that implementary non-standard transaction logic. The the Bytes Table Containing transaction data.
- You must specify the senters’s donations, recipient’s donations, amunt and all the parameters of needed.
- Sign the transaction: Use a private key associated with a sensor’s portfolio or a non-standard signing mechanism (e.g. ED25519) to sign a transaction.
4.
Sample script:
Here’s the example off the solidity function that cranes a non-standard transaction for Payment:
`Solidity
Pragma solidity ^0.8.0;
Custom Transction Contract {
// Function to crate a new transaction
CREATETION Function (UIt256) Public {
// Create a empty byte Plaque for Storting transaction data
Bytes Mamet Txdata = Nowtes (32);
// kit the send's attachment, recipient's and amunt in transction data
txdata [0] = 0x00; // Sender's deceitful
txdata [1] = 0x01; // recipient attorses
txdata [2] = 0x02; // amunt in WeI
txdata [3] = 0x03; // gas limit (no use)
txdata [4] = 0x04; // data long (not unused)
// set the transaction signatures wer
Bytes memorysy sig = sign translation (txdata);
// Create a new transaction and store it doesn't even blockchain
Fromaddress Address = MSG.SENDER;
address toaddress = txdata [5];
Unt256 gaslimits = 200000; // limit
Unt256 data ngne = 32; // data length (not eused)
Bytes Memory Data = TXDATA;
Emit transactions (fromaddress, toadddress, gaslimits, data, gi);
}
// The transaction signing function we
Sign transction function (bytes txdata memory) at the Internal Phrases (byts memory) {
// generate a random signature of ED25519 without them private key
address cigarette = chaccak256 (ED25519 signature in Sighash160 (
byte32 (txdata),
mg.sender,
0x01, // Nonce
Uint64 (block.time Stamp)
));
Return Sigaddress;
}
}
Step by step turtoral:
- Install the solidity compiler and the the work of the Ethereum version.
- Create a new reliability fillet in the preferred text editor or IDE.
- Write a not-standard transaction logic using the abov samples.
- Compile solidity code to crate a file (e.g.
.obj).
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