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send_eip1559_transaction.rs
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send_eip1559_transaction.rs
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//! Example showing how to send an [EIP-1559](https://eips.ethereum.org/EIPS/eip-1559) transaction.
use alloy::{
network::TransactionBuilder,
node_bindings::Anvil,
primitives::U256,
providers::{Provider, ProviderBuilder},
rpc::types::TransactionRequest,
};
use eyre::Result;
#[tokio::main]
async fn main() -> Result<()> {
// Spin up a local Anvil node.
// Ensure `anvil` is available in $PATH.
let anvil = Anvil::new().try_spawn()?;
// Create a provider.
let rpc_url = anvil.endpoint().parse()?;
let provider = ProviderBuilder::new().on_http(rpc_url);
// Create two users, Alice and Bob.
let alice = anvil.addresses()[0];
let bob = anvil.addresses()[1];
// Build a transaction to send 100 wei from Alice to Bob.
// The `from` field is automatically filled to the first signer's address (Alice).
let tx = TransactionRequest::default()
.with_to(bob)
.with_nonce(0)
.with_chain_id(anvil.chain_id())
.with_value(U256::from(100))
.with_gas_limit(21_000)
.with_max_priority_fee_per_gas(1_000_000_000)
.with_max_fee_per_gas(20_000_000_000);
// Send the transaction and wait for the broadcast.
let pending_tx = provider.send_transaction(tx).await?;
println!("Pending transaction... {}", pending_tx.tx_hash());
// Wait for the transaction to be included and get the receipt.
let receipt = pending_tx.get_receipt().await?;
println!(
"Transaction included in block {}",
receipt.block_number.expect("Failed to get block number")
);
assert_eq!(receipt.from, alice);
assert_eq!(receipt.to, Some(bob));
Ok(())
}