feat(transactions): encode eip1559

Cargo.toml

@@ -83,6 +83,7 @@ unnecessary_struct_initialization = "allow"
 alloy = { git = "https://github.com/alloy-rs/alloy", rev = "dc56a76", features = [
     "consensus",
     "contract",
+    "k256",
     "eips",
     "kzg",
     "network",

examples/transactions/examples/encode_decode.rs

@@ -0,0 +1,44 @@
+//! Encode and decode transactions
+use alloy::{
+    consensus::{SignableTransaction, TxEip1559},
+    eips::eip2930::AccessList,
+    primitives::{address, b256, hex, Signature, TxKind, U256},
+};
+use eyre::Result;
+#[tokio::main]
+async fn main() -> Result<()> {
+    // EIP1559 transaction: <https://etherscan.io/tx/0x0ec0b6a2df4d87424e5f6ad2a654e27aaeb7dac20ae9e8385cc09087ad532ee0>
+    let hash = b256!("0ec0b6a2df4d87424e5f6ad2a654e27aaeb7dac20ae9e8385cc09087ad532ee0");
+
+    // Signer of the transaction.
+    let signer = address!("DD6B8b3dC6B7AD97db52F08a275FF4483e024CEa");
+
+    let tx =  TxEip1559 {
+        chain_id: 1,
+        nonce: 0x42,
+        gas_limit: 44386,
+        to: TxKind::Call( address!("6069a6c32cf691f5982febae4faf8a6f3ab2f0f6")),
+        value: U256::from(0_u64),
+        input:  hex!("a22cb4650000000000000000000000005eee75727d804a2b13038928d36f8b188945a57a0000000000000000000000000000000000000000000000000000000000000000").into(),
+        max_fee_per_gas: 0x4a817c800,
+        max_priority_fee_per_gas: 0x3b9aca00,
+        access_list: AccessList::default(),
+    };
+
+    let sig = Signature::from_scalars_and_parity(
+        b256!("840cfc572845f5786e702984c2a582528cad4b49b2a10b9db1be7fca90058565"),
+        b256!("25e7109ceb98168d95b09b18bbf6b685130e0562f233877d492b94eee0c5b6d1"),
+        false,
+    )
+    .unwrap();
+
+    let signed_tx = tx.into_signed(sig);
+
+    // Match hash
+    assert_eq!(*signed_tx.hash(), hash);
+
+    let recovered_signer = signed_tx.recover_signer().unwrap();
+    assert_eq!(recovered_signer, signer);
+
+    Ok(())
+}