Gnosis Chain API method that allows submitting a signed transaction to the network. Once a transaction is signed, you can use the eth_sendRawTransaction method to submit the signed transaction to the Gnosis Chain network for processing.
Note that the interactive example in this page will not work, due to the fact that
eth_sendRawTransactionis used to modify the state of the blockchain, it is not possible to duplicate the same request.
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Parameters
data— the signed transaction. The serialized transaction data, which includes the transaction metadata such as the nonce, gas price, gas limit, recipient address, and data payload, as well as the digital signature generated using the private key associated with the address that is sending the transaction. Typically, signed with a library such as web3.py, web3.js, or ethers.js using the sender's private key.
Response
result— the unique hash identifying the transaction or the zero hash if the transaction is not available yet. The zero hash is a special value that represents an invalid or null hash.
eth_sendRawTransaction code examples
eth_sendRawTransaction code examplesThe following examples demonstrate how to use Web3 libraries to make an ETH transfer on the Sepolia testnet.
Additional libraries requirement
Note that web3.js requires installing two extra libraries:
const Web3 = require("web3");
const Tx = require('ethereumjs-tx').Transaction;
const Common = require('ethereumjs-common').default;
const NODE_URL = "CHAINSTACK_NODE_URL";
const web3 = new Web3(NODE_URL);
async function sendEth(value) {
// Define the sender and receiver addresses, and the private key
const sender = '0x19e7e376e7c213b7e7e7e46cc70a5dd086daff2a';
const receiver = '0xe9ba4b4d84d7a3c80245514213b88d50ed937114';
const privateKey = Buffer.from('1111111111111111111111111111111111111111111111111111111111111111', 'hex');
// Define the gas limit
const gasLimit = await web3.eth.estimateGas({
from: sender,
to: receiver,
});
// Get the transaction count for the sender address
const nonce = await web3.eth.getTransactionCount(sender);
// Define the transaction object
const transactionObject = {
to: receiver,
gasPrice: web3.utils.toHex(web3.utils.toWei('50', 'gwei')),
gasLimit: web3.utils.toHex(gasLimit),
nonce: web3.utils.toHex(nonce),
value: web3.utils.toHex(web3.utils.toWei(value, 'ether')),
};
// Define the chain configuration
const common = Common.forCustomChain(
'mainnet', {
name: 'sepolia',
networkId: 11155111,
chainId: 11155111,
},
'petersburg',
);
// Create a new transaction object to sign
const tx = new Tx(transactionObject, {
common
});
// Sign the transaction using the private key
const signedTx = tx.sign(privateKey);
// Serialize the signed transaction and send it to the blockchain
const serializedTx = tx.serialize();
const rawTransaction = '0x' + serializedTx.toString('hex');
console.log(`Raw transaction: ${rawTransaction}\n`)
try {
console.log(`Sending transaction...`)
const result = await web3.eth.sendSignedTransaction(rawTransaction);
console.log(`Transaction hash: ${result.transactionHash}`);
} catch (error) {
console.error(error);
}
}
sendEth("2");
const ethers = require('ethers');
const NODE_URL = "CHAINSTACK_NODE_URL";
const provider = new ethers.JsonRpcProvider(NODE_URL);
async function sendEth(value) {
// Define the sender and receiver addresses, and the private key
const sender = '0x19e7e376e7c213b7e7e7e46cc70a5dd086daff2a';
const receiver = '0xe9ba4b4d84d7a3c80245514213b88d50ed937114';
const privateKey = '1111111111111111111111111111111111111111111111111111111111111111';
// Define the gas limit
const gasLimit = await provider.estimateGas({
from: sender,
to: receiver,
value: ethers.parseEther(value),
});
// Get the transaction count for the sender address
const nonce = await provider.getTransactionCount(sender);
// Define the transaction object
const transactionObject = {
to: receiver,
gasPrice: ethers.parseUnits('50', 'gwei'),
gasLimit: gasLimit.toString(),
nonce: nonce,
value: ethers.parseEther(value),
};
// Sign the transaction using the private key
const wallet = new ethers.Wallet(privateKey, provider);
console.log(`Sending transaction...`)
const transaction = await wallet.sendTransaction(transactionObject);
console.log('Transaction hash:', transaction.hash);
}
sendEth("2");
from web3 import Web3
node_url = "CHAINSTACK_NODE_URL"
web3 = Web3(Web3.HTTPProvider(node_url))
# Define the sender and receiver addresses, and the private key
sender = '0x19e7e376e7c213b7e7e7e46cc70a5dd086daff2a'
receiver = '0xe9ba4b4d84d7a3c80245514213b88d50ed937114'
private_key = '1111111111111111111111111111111111111111111111111111111111111111'
# Estimate gas limit
gas_limit = web3.eth.estimate_gas({
'from': sender,
'to': receiver
})
# Build the transaction object
transaction = {
'nonce': web3.eth.get_transaction_count(sender),
'to': receiver,
'value': web3.to_wei(1, 'ether'), # value to send
'gas': gas_limit,
'gasPrice': web3.eth.gas_price,
'chainId': web3.eth.chain_id
}
# Sign the transaction
signed_tx = web3.eth.account.sign_transaction(transaction, private_key)
print(f'Signed transaction: {signed_tx}')
# Send the transaction
print('Sending transaction...')
tx_hash = web3.eth.send_raw_transaction(signed_tx.rawTransaction)
print(f'Transaction hash: {web3.toHex(tx_hash)}')
Note that you will need to edit the
sender,receiver, andprivateKeyfields to be able to use this code.
Use case
One potential use case for eth_sendRawTransaction is to automatically swap ETH for a token when its price reaches a certain level. eth_sendRawTransaction will allow specifying custom transaction parameters, such as gas price or gas limit, to optimize the speed and cost of the transaction.
For instance, you could build a program monitoring the price of a specific token and execute a swapExactETHForTokens transaction when the token reaches a certain price level, it could use eth_sendRawTransaction to submit a raw transaction with a custom gas price and limit that are optimized for the current network conditions.
Try the eth_sendRawTransaction RPC method yourself
eth_sendRawTransaction RPC method yourself