Merge pull request #69 from alloy-rs/send_4844

feat(transactions): send 4844 tx

Cargo.toml

@@ -81,7 +81,10 @@ unnecessary_struct_initialization = "allow"
 use_self = "allow"
 
 [workspace.dependencies]
-alloy = { git = "https://github.com/alloy-rs/alloy", rev = "2d1c40c", features = [
+alloy = { git = "https://github.com/alloy-rs/alloy", rev = "e22d9be", features = [
+    "consensus",
+    "kzg",
+    "eips",
     "contract",
     "network",
     "node-bindings",

README.md

@@ -62,8 +62,9 @@ This repository contains the following examples:
   - [x] [Trace transaction](./examples/transactions/examples/trace_transaction.rs)
   - [x] [Transfer ERC20 token](./examples/transactions/examples/transfer_erc20.rs)
   - [x] [Transfer ETH](./examples/transactions/examples/transfer_eth.rs)
-  - [x] [Sign and send a raw transaction](./examples/transactions/examples/sign_transaction.rs) 
-  - [x] [Send transaction with access list](./examples/transactions/examples/with_access_list.rs) 
+  - [x] [Sign and send a raw transaction](./examples/transactions/examples/sign_transaction.rs)
+  - [x] [Send transaction with access list](./examples/transactions/examples/with_access_list.rs)
+  - [x] [Send 4844 transaction](./examples/transactions/examples/send_4844.rs)
 - [x] Wallets
   - [x] [AWS signer](./examples/wallets/examples/aws_signer.rs)
   - [x] [Ledger signer](./examples/wallets/examples/ledger_signer.rs)

examples/transactions/examples/send_4844.rs

@@ -0,0 +1,42 @@
+//! Example showing how to send a 4844 tx.
+
+use alloy::{
+    consensus::{SidecarBuilder, SimpleCoder},
+    eips::eip4844::DATA_GAS_PER_BLOB,
+    network::TransactionBuilder,
+    node_bindings::Anvil,
+    providers::{Provider, ProviderBuilder},
+    rpc::types::eth::TransactionRequest,
+};
+use eyre::Result;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    let anvil = Anvil::new().args(["--hardfork", "cancun"]).spawn();
+    let provider = ProviderBuilder::new().on_builtin(&anvil.endpoint()).await?;
+
+    let from = anvil.addresses()[0];
+    let to = anvil.addresses()[1];
+
+    let sidecar: SidecarBuilder<SimpleCoder> =
+        SidecarBuilder::from_slice("Blobs are fun!".as_bytes());
+
+    let sidecar = sidecar.build()?;
+
+    let gas_price = provider.get_gas_price().await?;
+    let eip1559_est = provider.estimate_eip1559_fees(None).await?;
+    let tx = TransactionRequest::default()
+        .with_from(from)
+        .with_to(to)
+        .with_nonce(0)
+        .with_max_fee_per_blob_gas(gas_price)
+        .with_max_fee_per_gas(eip1559_est.max_fee_per_gas)
+        .with_max_priority_fee_per_gas(eip1559_est.max_priority_fee_per_gas)
+        .with_blob_sidecar(sidecar);
+
+    let receipt = provider.send_transaction(tx).await?.get_receipt().await?;
+
+    assert_eq!(receipt.blob_gas_used.unwrap(), DATA_GAS_PER_BLOB as u128);
+
+    Ok(())
+}