diff --git a/.github/workflows/node_tests.yml b/.github/workflows/node_tests.yml
index d52b546..cb6efda 100644
--- a/.github/workflows/node_tests.yml
+++ b/.github/workflows/node_tests.yml
@@ -20,6 +20,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+    - name: Install Foundry
+      uses: foundry-rs/foundry-toolchain@v1
     - name: Build
       run: cargo build --verbose
     - name: Run tests
diff --git a/Node/Cargo.lock b/Node/Cargo.lock
index 63755f9..8774cdc 100644
--- a/Node/Cargo.lock
+++ b/Node/Cargo.lock
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+checksum = "76bc14366121efc8dbb487ab05bcc9d346b3b5ec0eaa76e46594cabbe51762c0"
 dependencies = [
- "pin-project-lite",
- "tracing-attributes",
- "tracing-core",
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
 ]
 
 [[package]]
-name = "tracing-attributes"
-version = "0.1.27"
+name = "wasm-bindgen-macro"
+version = "0.2.92"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
+checksum = "a1f8823de937b71b9460c0c34e25f3da88250760bec0ebac694b49997550d726"
 dependencies = [
- "proc-macro2",
  "quote",
- "syn",
+ "wasm-bindgen-macro-support",
 ]
 
 [[package]]
-name = "tracing-core"
-version = "0.1.32"
+name = "wasm-bindgen-macro-support"
+version = "0.2.92"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
+checksum = "e94f17b526d0a461a191c78ea52bbce64071ed5c04c9ffe424dcb38f74171bb7"
 dependencies = [
- "once_cell",
- "valuable",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.66",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
 ]
 
 [[package]]
-name = "tracing-log"
-version = "0.2.0"
+name = "wasm-bindgen-shared"
+version = "0.2.92"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee855f1f400bd0e5c02d150ae5de3840039a3f54b025156404e34c23c03f47c3"
-dependencies = [
- "log",
- "once_cell",
- "tracing-core",
-]
+checksum = "af190c94f2773fdb3729c55b007a722abb5384da03bc0986df4c289bf5567e96"
 
 [[package]]
-name = "tracing-subscriber"
-version = "0.3.18"
+name = "web-sys"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0f048c97dbd9faa9b7df56362b8ebcaa52adb06b498c050d2f4e32f90a7a8b"
+checksum = "77afa9a11836342370f4817622a2f0f418b134426d91a82dfb48f532d2ec13ef"
 dependencies = [
- "nu-ansi-term",
- "sharded-slab",
- "smallvec",
- "thread_local",
- "tracing-core",
- "tracing-log",
+ "js-sys",
+ "wasm-bindgen",
 ]
 
 [[package]]
-name = "unicode-ident"
-version = "1.0.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
-
-[[package]]
-name = "valuable"
-version = "0.1.0"
+name = "webpki-roots"
+version = "0.26.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
+checksum = "bd7c23921eeb1713a4e851530e9b9756e4fb0e89978582942612524cf09f01cd"
+dependencies = [
+ "rustls-pki-types",
+]
 
 [[package]]
-name = "wasi"
-version = "0.11.0+wasi-snapshot-preview1"
+name = "widestring"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+checksum = "7219d36b6eac893fa81e84ebe06485e7dcbb616177469b142df14f1f4deb1311"
 
 [[package]]
 name = "winapi"
@@ -422,6 +3631,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
+[[package]]
+name = "winapi-util"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d4cc384e1e73b93bafa6fb4f1df8c41695c8a91cf9c4c64358067d15a7b6c6b"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
@@ -566,3 +3784,99 @@ name = "windows_x86_64_msvc"
 version = "0.52.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bec47e5bfd1bff0eeaf6d8b485cc1074891a197ab4225d504cb7a1ab88b02bf0"
+
+[[package]]
+name = "winnow"
+version = "0.5.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f593a95398737aeed53e489c785df13f3618e41dbcd6718c6addbf1395aa6876"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "winnow"
+version = "0.6.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59b5e5f6c299a3c7890b876a2a587f3115162487e704907d9b6cd29473052ba1"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "winreg"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a277a57398d4bfa075df44f501a17cfdf8542d224f0d36095a2adc7aee4ef0a5"
+dependencies = [
+ "cfg-if",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "ws_stream_wasm"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7999f5f4217fe3818726b66257a4475f71e74ffd190776ad053fa159e50737f5"
+dependencies = [
+ "async_io_stream",
+ "futures",
+ "js-sys",
+ "log",
+ "pharos",
+ "rustc_version 0.4.0",
+ "send_wrapper",
+ "thiserror",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+]
+
+[[package]]
+name = "wyz"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f360fc0b24296329c78fda852a1e9ae82de9cf7b27dae4b7f62f118f77b9ed"
+dependencies = [
+ "tap",
+]
+
+[[package]]
+name = "zerocopy"
+version = "0.7.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae87e3fcd617500e5d106f0380cf7b77f3c6092aae37191433159dda23cfb087"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15e934569e47891f7d9411f1a451d947a60e000ab3bd24fbb970f000387d1b3b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.66",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
+dependencies = [
+ "zeroize_derive",
+]
+
+[[package]]
+name = "zeroize_derive"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.66",
+]
diff --git a/Node/Cargo.toml b/Node/Cargo.toml
index 254b533..a3b74a0 100644
--- a/Node/Cargo.toml
+++ b/Node/Cargo.toml
@@ -6,6 +6,19 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+alloy = { version = "0.1.2", features = [
+    "full",
+    "node-bindings",
+] }
 tokio = { version = "1.38", features = ["full"] }
 tracing = "0.1.40"
-tracing-subscriber = "0.3"
\ No newline at end of file
+tracing-subscriber = "0.3"
+jsonrpsee = { version = "0.23", features = ["http-client", "server"] }
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+lazy_static = "1.4"
+anyhow = "1.0.86"
+k256 = "0.13"
+elliptic-curve = "0.13"
+reqwest = "0.12"
+hex = "0.4"
diff --git a/Node/src/ethereum_l1/abi/PreconfTaskManager.json b/Node/src/ethereum_l1/abi/PreconfTaskManager.json
new file mode 100644
index 0000000..4ae6e20
--- /dev/null
+++ b/Node/src/ethereum_l1/abi/PreconfTaskManager.json
@@ -0,0 +1 @@
+[{"type":"constructor","inputs":[{"name":"_serviceManager","type":"address","internalType":"contract IPreconfServiceManager"},{"name":"_registryCoordinator","type":"address","internalType":"contract IRegistryCoordinator"},{"name":"_indexRegistry","type":"address","internalType":"contract IIndexRegistry"},{"name":"_taikoL1","type":"address","internalType":"contract ITaikoL1"},{"name":"_beaconBlockRootContract","type":"address","internalType":"address"}],"stateMutability":"nonpayable"},{"type":"function","name":"getFallbackPreconfer","inputs":[],"outputs":[{"name":"","type":"address","internalType":"address"}],"stateMutability":"view"},{"type":"function","name":"isLookaheadRequired","inputs":[{"name":"epochTimestamp","type":"uint256","internalType":"uint256"}],"outputs":[{"name":"","type":"bool","internalType":"bool"}],"stateMutability":"view"},{"type":"function","name":"newBlockProposal","inputs":[{"name":"blockParams","type":"bytes","internalType":"bytes"},{"name":"txList","type":"bytes","internalType":"bytes"},{"name":"lookaheadPointer","type":"uint256","internalType":"uint256"},{"name":"lookaheadSetParams","type":"tuple[]","internalType":"struct IPreconfTaskManager.LookaheadSetParam[]","components":[{"name":"timestamp","type":"uint256","internalType":"uint256"},{"name":"preconfer","type":"address","internalType":"address"}]}],"outputs":[],"stateMutability":"payable"},{"type":"function","name":"proveIncorrectLookahead","inputs":[{"name":"lookaheadPointer","type":"uint256","internalType":"uint256"},{"name":"slotTimestamp","type":"uint256","internalType":"uint256"},{"name":"expectedValidator","type":"bytes32[8]","internalType":"bytes32[8]"},{"name":"expectedValidatorIndex","type":"uint256","internalType":"uint256"},{"name":"expectedValidatorProof","type":"bytes32[]","internalType":"bytes32[]"},{"name":"actualValidatorIndex","type":"uint256","internalType":"uint256"},{"name":"validatorsRoot","type":"bytes32","internalType":"bytes32"},{"name":"nr_validators","type":"uint256","internalType":"uint256"},{"name":"beaconStateProof","type":"bytes32[]","internalType":"bytes32[]"},{"name":"beaconStateRoot","type":"bytes32","internalType":"bytes32"},{"name":"beaconBlockProofForState","type":"bytes32[]","internalType":"bytes32[]"},{"name":"beaconBlockProofForProposerIndex","type":"bytes32[]","internalType":"bytes32[]"}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"proveIncorrectPreconfirmation","inputs":[{"name":"header","type":"tuple","internalType":"struct IPreconfTaskManager.PreconfirmationHeader","components":[{"name":"blockId","type":"uint256","internalType":"uint256"},{"name":"chainId","type":"uint256","internalType":"uint256"},{"name":"txListHash","type":"bytes32","internalType":"bytes32"}]},{"name":"signature","type":"bytes","internalType":"bytes"}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"registerConsensusBLSPubKeyHashTreeRoot","inputs":[{"name":"consensusBLSPubKeyHashTreeRoot","type":"bytes32","internalType":"bytes32"}],"outputs":[],"stateMutability":"nonpayable"},{"type":"event","name":"LookaheadUpdated","inputs":[{"name":"","type":"tuple[]","indexed":false,"internalType":"struct IPreconfTaskManager.LookaheadSetParam[]","components":[{"name":"timestamp","type":"uint256","internalType":"uint256"},{"name":"preconfer","type":"address","internalType":"address"}]}],"anonymous":false},{"type":"event","name":"ProvedIncorrectLookahead","inputs":[{"name":"poster","type":"address","indexed":true,"internalType":"address"},{"name":"timestamp","type":"uint256","indexed":true,"internalType":"uint256"},{"name":"disputer","type":"address","indexed":true,"internalType":"address"}],"anonymous":false},{"type":"event","name":"ProvedIncorrectPreconfirmation","inputs":[{"name":"preconfer","type":"address","indexed":true,"internalType":"address"},{"name":"blockId","type":"uint256","indexed":true,"internalType":"uint256"},{"name":"disputer","type":"address","indexed":true,"internalType":"address"}],"anonymous":false},{"type":"error","name":"BeaconBlockProofForProposerIndex","inputs":[]},{"type":"error","name":"BeaconBlockProofForStateFailed","inputs":[]},{"type":"error","name":"BeaconStateProofFailed","inputs":[]},{"type":"error","name":"ConsensusBLSPubKeyHashTreeRootAlreadyRegistered","inputs":[]},{"type":"error","name":"ConsensusBLSPubKeyHashTreeRootNotRegistered","inputs":[]},{"type":"error","name":"EntryNotRegisteredInAVS","inputs":[]},{"type":"error","name":"ExpectedAndActualValidatorAreSame","inputs":[]},{"type":"error","name":"ExpectedValidatorIsIncorrect","inputs":[]},{"type":"error","name":"ExpectedValidatorMustNotBeSlashed","inputs":[]},{"type":"error","name":"InvalidLookaheadPointer","inputs":[]},{"type":"error","name":"InvalidSlotTimestamp","inputs":[]},{"type":"error","name":"MissedDisputeWindow","inputs":[]},{"type":"error","name":"PosterAlreadySlashedForTheEpoch","inputs":[]},{"type":"error","name":"PreconfirmationChainIdMismatch","inputs":[]},{"type":"error","name":"PreconfirmationIsCorrect","inputs":[]},{"type":"error","name":"SenderIsNotTheFallbackPreconfer","inputs":[]},{"type":"error","name":"SenderIsNotThePreconfer","inputs":[]},{"type":"error","name":"SenderNotRegisteredInAVS","inputs":[]},{"type":"error","name":"ValidatorProofFailed","inputs":[]}]
diff --git a/Node/src/ethereum_l1/mod.rs b/Node/src/ethereum_l1/mod.rs
index 8b13789..445924a 100644
--- a/Node/src/ethereum_l1/mod.rs
+++ b/Node/src/ethereum_l1/mod.rs
@@ -1 +1,188 @@
+use alloy::{
+    network::{Ethereum, EthereumWallet, NetworkWallet},
+    primitives::{Address, Bytes, FixedBytes, U256},
+    providers::ProviderBuilder,
+    signers::local::PrivateKeySigner,
+    sol,
+    sol_types::SolValue,
+};
+use anyhow::Error;
+use std::str::FromStr;
 
+pub struct EthereumL1 {
+    rpc_url: reqwest::Url,
+    wallet: EthereumWallet,
+    taiko_preconfirming_address: Address,
+}
+
+sol!(
+    #[allow(missing_docs)]
+    #[sol(rpc)]
+    PreconfTaskManager,
+    "src/ethereum_l1/abi/PreconfTaskManager.json"
+);
+
+sol! {
+    /// @dev Hook and it's data (currently used only during proposeBlock)
+    struct HookCall {
+        address hook;
+        bytes data;
+    }
+
+    /// @dev Represents proposeBlock's _data input parameter
+    struct BlockParams {
+        address assignedProver; // DEPRECATED, value ignored.
+        address coinbase;
+        bytes32 extraData;
+        bytes32 parentMetaHash;
+        HookCall[] hookCalls; // DEPRECATED, value ignored.
+        bytes signature;
+        uint32 l1StateBlockNumber;
+        uint64 timestamp;
+    }
+}
+
+impl EthereumL1 {
+    pub fn new(
+        rpc_url: &str,
+        private_key: &str,
+        taiko_preconfirming_address: &str,
+    ) -> Result<Self, Error> {
+        let signer = PrivateKeySigner::from_str(private_key)?;
+        let wallet = EthereumWallet::from(signer);
+
+        Ok(Self {
+            rpc_url: rpc_url.parse()?,
+            wallet,
+            taiko_preconfirming_address: taiko_preconfirming_address.parse()?,
+        })
+    }
+
+    pub async fn propose_new_block(
+        &self,
+        tx_list: Vec<u8>,
+        parent_meta_hash: [u8; 32],
+    ) -> Result<(), Error> {
+        let provider = ProviderBuilder::new()
+            .with_recommended_fillers()
+            .wallet(self.wallet.clone())
+            .on_http(self.rpc_url.clone());
+
+        let contract = PreconfTaskManager::new(self.taiko_preconfirming_address, provider);
+
+        let block_params = BlockParams {
+            assignedProver: Address::ZERO,
+            coinbase: <EthereumWallet as NetworkWallet<Ethereum>>::default_signer_address(
+                &self.wallet,
+            ),
+            extraData: FixedBytes::from(&[0u8; 32]),
+            parentMetaHash: FixedBytes::from(&parent_meta_hash),
+            hookCalls: vec![],
+            signature: Bytes::from(vec![0; 32]),
+            l1StateBlockNumber: 0,
+            timestamp: 0,
+        };
+
+        let encoded_block_params = Bytes::from(BlockParams::abi_encode_sequence(&block_params));
+
+        let tx_list = Bytes::from(tx_list);
+        let lookahead_set_param: Vec<PreconfTaskManager::LookaheadSetParam> = Vec::new();
+        let builder = contract.newBlockProposal(
+            encoded_block_params,
+            tx_list,
+            U256::from(0),
+            lookahead_set_param,
+        );
+
+        let tx_hash = builder.send().await?.watch().await?;
+        tracing::debug!("Proposed new block: {tx_hash}");
+
+        Ok(())
+    }
+
+    #[cfg(test)]
+    fn new_from_pk(
+        rpc_url: reqwest::Url,
+        private_key: elliptic_curve::SecretKey<k256::Secp256k1>,
+    ) -> Result<Self, Error> {
+        let signer = PrivateKeySigner::from_signing_key(private_key.into());
+        let wallet = EthereumWallet::from(signer);
+
+        Ok(Self {
+            rpc_url,
+            wallet,
+            taiko_preconfirming_address: "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2" // some random address for test
+                .parse()?,
+        })
+    }
+
+    #[cfg(test)]
+    async fn call_test_contract(&self) -> Result<(), Error> {
+        sol! {
+            #[allow(missing_docs)]
+            #[sol(rpc, bytecode="6080806040523460135760df908160198239f35b600080fdfe6080806040526004361015601257600080fd5b60003560e01c9081633fb5c1cb1460925781638381f58a146079575063d09de08a14603c57600080fd5b3460745760003660031901126074576000546000198114605e57600101600055005b634e487b7160e01b600052601160045260246000fd5b600080fd5b3460745760003660031901126074576020906000548152f35b34607457602036600319011260745760043560005500fea2646970667358221220e978270883b7baed10810c4079c941512e93a7ba1cd1108c781d4bc738d9090564736f6c634300081a0033")]
+            contract Counter {
+                uint256 public number;
+
+                function setNumber(uint256 newNumber) public {
+                    number = newNumber;
+                }
+
+                function increment() public {
+                    number++;
+                }
+            }
+        }
+
+        let provider = ProviderBuilder::new()
+            .with_recommended_fillers()
+            .wallet(self.wallet.clone())
+            .on_http(self.rpc_url.clone());
+
+        let contract = Counter::deploy(&provider).await?;
+
+        let builder = contract.setNumber(U256::from(42));
+        let tx_hash = builder.send().await?.watch().await?;
+        println!("Set number to 42: {tx_hash}");
+
+        let builder = contract.increment();
+        let tx_hash = builder.send().await?.watch().await?;
+        println!("Incremented number: {tx_hash}");
+
+        let builder = contract.number();
+        let number = builder.call().await?.number.to_string();
+
+        assert_eq!(number, "43");
+
+        Ok(())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use alloy::node_bindings::Anvil;
+
+    #[tokio::test]
+    async fn test_call_contract() {
+        // Ensure `anvil` is available in $PATH.
+        let anvil = Anvil::new().try_spawn().unwrap();
+        let rpc_url: reqwest::Url = anvil.endpoint().parse().unwrap();
+        let private_key = anvil.keys()[0].clone();
+        let ethereum_l1 = EthereumL1::new_from_pk(rpc_url, private_key).unwrap();
+        ethereum_l1.call_test_contract().await.unwrap();
+    }
+
+    #[tokio::test]
+    async fn test_propose_new_block() {
+        let anvil = Anvil::new().try_spawn().unwrap();
+        let rpc_url: reqwest::Url = anvil.endpoint().parse().unwrap();
+        let private_key = anvil.keys()[0].clone();
+        let ethereum_l1 = EthereumL1::new_from_pk(rpc_url, private_key).unwrap();
+
+        ethereum_l1
+            .propose_new_block(vec![0; 32], [0; 32])
+            .await
+            .unwrap();
+    }
+}
diff --git a/Node/src/main.rs b/Node/src/main.rs
index e6f7a50..0c705b8 100644
--- a/Node/src/main.rs
+++ b/Node/src/main.rs
@@ -3,22 +3,32 @@ mod mev_boost;
 mod node;
 mod p2p_network;
 mod taiko;
+mod utils;
 
+use anyhow::Error;
 use tokio::sync::mpsc;
 
 const MESSAGE_QUEUE_SIZE: usize = 100;
 
 #[tokio::main]
-async fn main() {
+async fn main() -> Result<(), Error> {
     init_logging();
+    let config = utils::config::Config::read_env_variables();
 
     let (avs_p2p_tx, avs_p2p_rx) = mpsc::channel(MESSAGE_QUEUE_SIZE);
     let (node_tx, node_rx) = mpsc::channel(MESSAGE_QUEUE_SIZE);
     let p2p = p2p_network::AVSp2p::new(node_tx.clone(), avs_p2p_rx);
     p2p.start();
-
-    let node = node::Node::new(node_rx, avs_p2p_tx);
-    node.start();
+    let taiko = taiko::Taiko::new(&config.taiko_proposer_url, &config.taiko_driver_url);
+    let ethereum_l1 = ethereum_l1::EthereumL1::new(
+        &config.mev_boost_url,
+        &config.ethereum_private_key,
+        &config.taiko_preconfirming_address,
+    )?;
+    let mev_boost = mev_boost::MevBoost::new(&config.mev_boost_url);
+    let node = node::Node::new(node_rx, avs_p2p_tx, taiko, ethereum_l1, mev_boost);
+    node.entrypoint().await?;
+    Ok(())
 }
 
 fn init_logging() {
diff --git a/Node/src/mev_boost/mod.rs b/Node/src/mev_boost/mod.rs
index 8b13789..388d95c 100644
--- a/Node/src/mev_boost/mod.rs
+++ b/Node/src/mev_boost/mod.rs
@@ -1 +1,20 @@
+#![allow(unused)] //TODO remove after the EthereumL1 is used in release code
 
+use crate::utils::rpc_client::RpcClient;
+
+pub struct MevBoost {
+    _rpc_client: RpcClient,
+}
+
+impl MevBoost {
+    pub fn new(rpc_url: &str) -> Self {
+        let rpc_client = RpcClient::new(rpc_url);
+        Self {
+            _rpc_client: rpc_client,
+        }
+    }
+
+    pub fn send_transaction(&self, _tx: &[u8], _validator_index: u64, _slot: u64) {
+        //TODO: implement
+    }
+}
diff --git a/Node/src/node/mod.rs b/Node/src/node/mod.rs
index 8208708..ad1d3c8 100644
--- a/Node/src/node/mod.rs
+++ b/Node/src/node/mod.rs
@@ -1,53 +1,41 @@
-use crate::taiko::Taiko;
+use crate::{ethereum_l1::EthereumL1, mev_boost::MevBoost, taiko::Taiko};
+use anyhow::{anyhow as any_err, Error, Ok};
 use tokio::sync::mpsc::{Receiver, Sender};
 
 pub struct Node {
     taiko: Taiko,
     node_rx: Option<Receiver<String>>,
     avs_p2p_tx: Sender<String>,
+    gas_used: u64,
+    ethereum_l1: EthereumL1,
+    _mev_boost: MevBoost, // temporary unused
 }
 
 impl Node {
-    pub fn new(node_rx: Receiver<String>, avs_p2p_tx: Sender<String>) -> Self {
-        let taiko = Taiko::new();
+    pub fn new(
+        node_rx: Receiver<String>,
+        avs_p2p_tx: Sender<String>,
+        taiko: Taiko,
+        ethereum_l1: EthereumL1,
+        mev_boost: MevBoost,
+    ) -> Self {
         Self {
             taiko,
             node_rx: Some(node_rx),
             avs_p2p_tx,
+            gas_used: 0,
+            ethereum_l1,
+            _mev_boost: mev_boost,
         }
     }
 
     /// Consumes the Node and starts two loops:
     /// one for handling incoming messages and one for the block preconfirmation
-    pub fn start(mut self) {
+    pub async fn entrypoint(mut self) -> Result<(), Error> {
         tracing::info!("Starting node");
         self.start_new_msg_receiver_thread();
-        self.main_block_preconfirmation_loop()
-    }
-
-    fn main_block_preconfirmation_loop(&self) {
-        loop {
-            self.taiko.get_pending_l2_tx_lists();
-            self.commit_to_the_tx_lists();
-            self.send_preconfirmations_to_the_avs_p2p();
-            self.taiko.submit_new_l2_blocks();
-
-            //TODO: remove after implementation of above methods
-            std::thread::sleep(std::time::Duration::from_secs(1));
-        }
-    }
-
-    fn commit_to_the_tx_lists(&self) {
-        //TODO: implement
-    }
-
-    fn send_preconfirmations_to_the_avs_p2p(&self) {
-        let avs_p2p_tx = self.avs_p2p_tx.clone();
-        tokio::spawn(async move {
-            if let Err(e) = avs_p2p_tx.send("Hello from node!".to_string()).await {
-                tracing::error!("Failed to send message to avs_p2p_tx: {}", e);
-            }
-        });
+        self.preconfirmation_loop().await;
+        Ok(())
     }
 
     fn start_new_msg_receiver_thread(&mut self) {
@@ -65,8 +53,55 @@ impl Node {
             tokio::select! {
                 Some(message) = node_rx.recv() => {
                     tracing::debug!("Node received message: {}", message);
-                }
+                },
             }
         }
     }
+
+    async fn preconfirmation_loop(&self) {
+        loop {
+            let start_time = tokio::time::Instant::now();
+            if let Err(err) = self.main_block_preconfirmation_step().await {
+                tracing::error!("Failed to execute main block preconfirmation step: {}", err);
+            }
+            let elapsed = start_time.elapsed();
+            let sleep_duration = std::time::Duration::from_secs(4).saturating_sub(elapsed);
+            tokio::time::sleep(sleep_duration).await;
+        }
+    }
+
+    async fn main_block_preconfirmation_step(&self) -> Result<(), Error> {
+        let pending_tx_lists = self
+            .taiko
+            .get_pending_l2_tx_lists()
+            .await
+            .map_err(Error::from)?;
+        if pending_tx_lists.tx_list_bytes.is_empty() {
+            return Ok(());
+        }
+
+        self.commit_to_the_tx_lists();
+        self.send_preconfirmations_to_the_avs_p2p().await?;
+        self.taiko
+            .advance_head_to_new_l2_block(pending_tx_lists.tx_lists, self.gas_used)
+            .await?;
+        self.ethereum_l1
+            .propose_new_block(
+                pending_tx_lists.tx_list_bytes[0].clone(), //TODO: handle rest tx lists
+                pending_tx_lists.parent_meta_hash,
+            )
+            .await?;
+        Ok(())
+    }
+
+    fn commit_to_the_tx_lists(&self) {
+        //TODO: implement
+    }
+
+    async fn send_preconfirmations_to_the_avs_p2p(&self) -> Result<(), Error> {
+        self.avs_p2p_tx
+            .send("Hello from node!".to_string())
+            .await
+            .map_err(|e| any_err!("Failed to send message to avs_p2p_tx: {}", e))
+    }
 }
diff --git a/Node/src/p2p_network/mod.rs b/Node/src/p2p_network/mod.rs
index 4a775eb..d795032 100644
--- a/Node/src/p2p_network/mod.rs
+++ b/Node/src/p2p_network/mod.rs
@@ -26,7 +26,7 @@ impl AVSp2p {
                     .send("Hello from avs p2p!".to_string())
                     .await
                     .unwrap();
-                tokio::time::sleep(tokio::time::Duration::from_secs(2)).await;
+                tokio::time::sleep(tokio::time::Duration::from_secs(60)).await;
             }
         });
 
diff --git a/Node/src/taiko/l2_tx_lists.rs b/Node/src/taiko/l2_tx_lists.rs
new file mode 100644
index 0000000..d842710
--- /dev/null
+++ b/Node/src/taiko/l2_tx_lists.rs
@@ -0,0 +1,117 @@
+use anyhow::Error;
+use serde::{Deserialize, Deserializer, Serialize};
+use serde_json::Value;
+
+#[derive(Serialize, Deserialize, Debug)]
+#[serde(rename_all = "PascalCase")]
+pub struct RPCReplyL2TxLists {
+    pub tx_lists: Value, // TODO: decode and create tx_list_bytes on AVS node side
+    #[serde(deserialize_with = "deserialize_tx_lists_bytes")]
+    pub tx_list_bytes: Vec<Vec<u8>>,
+    #[serde(deserialize_with = "deserialize_parent_meta_hash")]
+    pub parent_meta_hash: [u8; 32],
+}
+
+fn deserialize_tx_lists_bytes<'de, D>(deserializer: D) -> Result<Vec<Vec<u8>>, D::Error>
+where
+    D: Deserializer<'de>,
+{
+    let vec: Vec<String> = Deserialize::deserialize(deserializer)?;
+    let result = vec
+        .iter()
+        .map(|s| s.as_bytes().to_vec())
+        .collect::<Vec<Vec<u8>>>();
+    Ok(result)
+}
+
+fn deserialize_parent_meta_hash<'de, D>(deserializer: D) -> Result<[u8; 32], D::Error>
+where
+    D: Deserializer<'de>,
+{
+    let s: String = Deserialize::deserialize(deserializer)?;
+    let s = s.trim_start_matches("0x");
+    let bytes = hex::decode(s).map_err(serde::de::Error::custom)?;
+    if bytes.len() != 32 {
+        return Err(serde::de::Error::custom(
+            "Invalid length for parent_meta_hash",
+        ));
+    }
+    let mut array = [0u8; 32];
+    array.copy_from_slice(&bytes);
+    Ok(array)
+}
+
+pub fn decompose_pending_lists_json(json: Value) -> Result<RPCReplyL2TxLists, Error> {
+    // Deserialize the JSON string into the struct
+    let rpc_reply: RPCReplyL2TxLists = serde_json::from_value(json)?;
+    Ok(rpc_reply)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_decompose_pending_lists_json() {
+        let json_data = serde_json::json!(
+            {
+                "TxLists": [
+                    [
+                        {
+                            "type": "0x0",
+                            "chainId": "0x28c61",
+                            "nonce": "0x8836",
+                            "to": "0x8b14d287b4150ff22ac73df8be720e933f659abc",
+                            "gas": "0x35f30",
+                            "gasPrice": "0xf4b87001",
+                            "maxPriorityFeePerGas": null,
+                            "maxFeePerGas": null,
+                            "value": "0x0",
+                            "input": "0x3161b7f60000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000027e9000000000000000000000000000000000000000000000005751b6fc9babade290000000000000000000000000000000000000000000000000000000008f811330000000000000000000000000000000000000000000000000000000000000010",
+                            "v": "0x518e5",
+                            "r": "0xb7b4b5540e08775ebb3c077ca7d572378cdb6ed55e3387173f8248578cc073e9",
+                            "s": "0x1f8860f90b61202d4070d1eba494d38c2cb02c749ea1ec542c8d02e5ceeb6439",
+                            "hash": "0xc653e446eafe51eea1f46e6e351adbd1cc8a3271e6935f1441f613a58d441f6a"
+                        },
+                        {
+                            "type": "0x2",
+                            "chainId": "0x28c61",
+                            "nonce": "0x26d0",
+                            "to": "0x2f6ef5baae08ae9df23528c217a77f03f93b690e",
+                            "gas": "0x1a09b",
+                            "gasPrice": null,
+                            "maxPriorityFeePerGas": "0xcbef0801",
+                            "maxFeePerGas": "0xcbef0801",
+                            "value": "0x0",
+                            "input": "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",
+                            "accessList": [],
+                            "v": "0x0",
+                            "r": "0xbfc407896ee6ed36962d1a591b41aa9a17fe19e176e61cb54a1cd69e3a337508",
+                            "s": "0x621b2448dda4d797447935c051e3908f65dfb3729415280a04cb02c4474baefe",
+                            "yParity": "0x0",
+                            "hash": "0xffbcd2fab90f1bf314ca2da1bf83eeab3d17fd58a0393d29a697b2ff05d0e65c"
+                        }
+                    ]
+                ],
+                "TxListBytes": [
+                    "eJz6ybTuJ6NeU4dZy5cdBYzNzPEGU7pFLrVvEeX/pHXc9se+Ir7J9qmz9jTsOGKYuP0bA36gQECeEb+0+kscEqyl0vknd+26p4lPN8cPQWMC9gs0s0o8XbB9y9YQPo7yuN027DXLrxaZ99zOuxpn3C5u3+QR3nOg+OUC+Y6En9yJCroOBRdfL5lyuUdng07JvIVvQnR6mZ6ee51iuZOxiuknY1kzU09ik9qFltPvORjBRDPjgtlT9PO+7lrHsW7uJ1ONQ+LL65l/WmfyNexkZNmtc12DgPMcCMgvICDPhMxZp+N2d7PIzl0lNrnvPCo+BnYIG99Elq8Ve5l2ovJt1s3puneDy45IOdXqaJFiPhrwuS7EMge3NGu11aH1LQcaFuw/wt6Z9+yt2TRdqUhpx1WzxP9JPix7JrPVS+baPCvjUo4FSdIqHneXXJ/uUml6IPDxhP7U+5uLpohqcLGcZjri7r3uHyAAAP//huiQHQ=="
+                ],
+                "ParentMetaHash": "0x2bcf3b1bb0c4066aa46ba6e99b79d7602f124d5ae8fcffd2977b1c2138aa61bc"
+            }
+        );
+
+        let result = decompose_pending_lists_json(json_data).unwrap();
+
+        assert_eq!(result.tx_lists.as_array().unwrap().len(), 1);
+        assert_eq!(
+            result.tx_lists.as_array().unwrap()[0]
+                .as_array()
+                .unwrap()
+                .len(),
+            2
+        );
+        assert_eq!(result.tx_list_bytes.len(), 1);
+        assert_eq!(result.tx_list_bytes[0].len(), 492);
+        assert_eq!(result.parent_meta_hash.len(), 32);
+    }
+}
diff --git a/Node/src/taiko/mod.rs b/Node/src/taiko/mod.rs
index 1655901..3c41a11 100644
--- a/Node/src/taiko/mod.rs
+++ b/Node/src/taiko/mod.rs
@@ -1,15 +1,144 @@
-pub struct Taiko {}
+use crate::utils::rpc_client::RpcClient;
+use anyhow::Error;
+use serde_json::Value;
+
+pub mod l2_tx_lists;
+
+pub struct Taiko {
+    rpc_proposer: RpcClient,
+    rpc_driver: RpcClient,
+}
 
 impl Taiko {
-    pub fn new() -> Self {
-        Self {}
+    pub fn new(proposer_url: &str, driver_url: &str) -> Self {
+        Self {
+            rpc_proposer: RpcClient::new(proposer_url),
+            rpc_driver: RpcClient::new(driver_url),
+        }
     }
 
-    pub fn get_pending_l2_tx_lists(&self) {
+    pub async fn get_pending_l2_tx_lists(&self) -> Result<l2_tx_lists::RPCReplyL2TxLists, Error> {
         tracing::debug!("Getting L2 tx lists");
+        let result = l2_tx_lists::decompose_pending_lists_json(
+            self.rpc_proposer
+                .call_method("RPC.GetL2TxLists", vec![])
+                .await?,
+        )?;
+
+        if !result.tx_list_bytes.is_empty() {
+            Self::print_number_of_received_txs(&result);
+        }
+
+        Ok(result)
     }
 
-    pub fn submit_new_l2_blocks(&self) {
+    fn print_number_of_received_txs(result: &l2_tx_lists::RPCReplyL2TxLists) {
+        if let Some(tx_lists) = result.tx_lists.as_array() {
+            let mut hashes = Vec::new();
+            for tx_list in tx_lists {
+                if let Some(tx_list_array) = tx_list.as_array() {
+                    for tx in tx_list_array {
+                        if let Some(hash) = tx.get("hash") {
+                            hashes.push(hash.as_str().unwrap_or("").get(0..8).unwrap_or(""));
+                        }
+                    }
+                }
+            }
+            tracing::debug!("Received L2 txs: [{}]", hashes.join(" "));
+        }
+    }
+
+    pub async fn advance_head_to_new_l2_block(
+        &self,
+        tx_lists: Value,
+        gas_used: u64,
+    ) -> Result<Value, Error> {
         tracing::debug!("Submitting new L2 blocks");
+        let payload = serde_json::json!({
+            "TxLists": tx_lists,
+            "gasUsed": gas_used,
+        });
+        self.rpc_driver
+            .call_method("RPC.AdvanceL2ChainHeadWithNewBlocks", vec![payload])
+            .await
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use crate::utils::rpc_server::test::RpcServer;
+    use std::net::SocketAddr;
+
+    #[tokio::test]
+    async fn test_get_pending_l2_tx_lists() {
+        tracing_subscriber::fmt::init();
+
+        let (mut rpc_server, taiko) = setup_rpc_server_and_taiko(3030).await;
+        let json = taiko.get_pending_l2_tx_lists().await.unwrap().tx_lists;
+
+        assert_eq!(json.as_array().unwrap().len(), 1);
+        assert_eq!(json[0].as_array().unwrap().len(), 2);
+        assert_eq!(json[0][0]["type"], "0x0");
+        assert_eq!(
+            json[0][0]["hash"],
+            "0xc653e446eafe51eea1f46e6e351adbd1cc8a3271e6935f1441f613a58d441f6a"
+        );
+        assert_eq!(json[0][1]["type"], "0x2");
+        assert_eq!(
+            json[0][1]["hash"],
+            "0xffbcd2fab90f1bf314ca2da1bf83eeab3d17fd58a0393d29a697b2ff05d0e65c"
+        );
+        rpc_server.stop().await;
+    }
+
+    #[tokio::test]
+    async fn test_advance_head_to_new_l2_block() {
+        let (mut rpc_server, taiko) = setup_rpc_server_and_taiko(3040).await;
+        let value = serde_json::json!({
+            "TxLists": [
+                [
+                    {
+                        "type": "0x0",
+                        "chainId": "0x28c61",
+                        "nonce": "0x1",
+                        "to": "0xbfadd5365bb2890ad832038837115e60b71f7cbb",
+                        "gas": "0x267ac",
+                        "gasPrice": "0x5e76e0800",
+                        "maxPriorityFeePerGas": null,
+                        "maxFeePerGas": null,
+                        "value": "0x0",
+                        "input": "0x40d097c30000000000000000000000004cea2c7d358e313f5d0287c475f9ae943fe1a913",
+                        "v": "0x518e6",
+                        "r": "0xb22da5cdc4c091ec85d2dda9054aa497088e55bd9f0335f39864ae1c598dd35",
+                        "s": "0x6eee1bcfe6a1855e89dd23d40942c90a036f273159b4c4fd217d58169493f055",
+                        "hash": "0x7c76b9906579e54df54fe77ad1706c47aca706b3eb5cfd8a30ccc3c5a19e8ecd"
+                    }
+                ]
+            ]
+        });
+
+        let response = taiko
+            .advance_head_to_new_l2_block(value, 1234)
+            .await
+            .unwrap();
+        assert_eq!(
+            response["result"],
+            "Request received and processed successfully"
+        );
+        rpc_server.stop().await;
+    }
+
+    async fn setup_rpc_server_and_taiko(port: u16) -> (RpcServer, Taiko) {
+        // Start the RPC server
+        let mut rpc_server = RpcServer::new();
+        let addr: SocketAddr = format!("127.0.0.1:{}", port).parse().unwrap();
+        rpc_server.start_test_responses(addr).await.unwrap();
+
+        let taiko = Taiko::new(
+            &format!("http://127.0.0.1:{}", port),
+            &format!("http://127.0.0.1:{}", port),
+        );
+        (rpc_server, taiko)
     }
 }
diff --git a/Node/src/utils/config.rs b/Node/src/utils/config.rs
new file mode 100644
index 0000000..6bddc74
--- /dev/null
+++ b/Node/src/utils/config.rs
@@ -0,0 +1,51 @@
+use tracing::{info, warn};
+
+pub struct Config {
+    pub taiko_proposer_url: String,
+    pub taiko_driver_url: String,
+    pub ethereum_private_key: String,
+    pub mev_boost_url: String,
+    pub taiko_preconfirming_address: String,
+}
+
+impl Config {
+    pub fn read_env_variables() -> Self {
+        const ETHEREUM_PRIVATE_KEY: &str = "ETHEREUM_PRIVATE_KEY";
+        const TAIKO_PRECONFIRMING_ADDRESS: &str = "TAIKO_PRECONFIRMING_ADDRESS";
+
+        let config = Self {
+            taiko_proposer_url: std::env::var("TAIKO_PROPOSER_URL")
+                .unwrap_or_else(|_| "http://127.0.0.1:1234".to_string()),
+            taiko_driver_url: std::env::var("TAIKO_DRIVER_URL")
+                .unwrap_or_else(|_| "http://127.0.0.1:1235".to_string()),
+            taiko_preconfirming_address: std::env::var(TAIKO_PRECONFIRMING_ADDRESS).unwrap_or_else(
+                |_| {
+                    warn!(
+                        "No new block proposal contract address found in {} env var, using default",
+                        TAIKO_PRECONFIRMING_ADDRESS
+                    );
+                    "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2".to_string()
+                },
+            ),
+            ethereum_private_key: std::env::var(ETHEREUM_PRIVATE_KEY).unwrap_or_else(|_| {
+                warn!(
+                    "No Ethereum private key found in {} env var, using default",
+                    ETHEREUM_PRIVATE_KEY
+                );
+                "0x4c0883a69102937d6231471b5dbb6204fe512961708279f2e3e8a5d4b8e3e3e8".to_string()
+            }),
+            mev_boost_url: std::env::var("MEV_BOOST_URL")
+                .unwrap_or_else(|_| "http://127.0.0.1:8080".to_string()),
+        };
+
+        info!(
+            "\nConfiguration: \nTaiko proposer URL: {}, \nTaiko driver URL: {}, \nMEV Boost URL: {}, \nNew block proposal contract address: {}",
+            config.taiko_proposer_url,
+            config.taiko_driver_url,
+            config.mev_boost_url,
+            config.taiko_preconfirming_address
+        );
+
+        config
+    }
+}
diff --git a/Node/src/utils/mod.rs b/Node/src/utils/mod.rs
new file mode 100644
index 0000000..29186bd
--- /dev/null
+++ b/Node/src/utils/mod.rs
@@ -0,0 +1,3 @@
+pub mod config;
+pub mod rpc_client;
+pub mod rpc_server;
diff --git a/Node/src/utils/rpc_client.rs b/Node/src/utils/rpc_client.rs
new file mode 100644
index 0000000..7f50242
--- /dev/null
+++ b/Node/src/utils/rpc_client.rs
@@ -0,0 +1,28 @@
+use anyhow::Error;
+use jsonrpsee::core::client::ClientT;
+use jsonrpsee::http_client::{HttpClient, HttpClientBuilder};
+use serde_json::Value;
+use std::time::Duration;
+
+pub struct RpcClient {
+    client: HttpClient,
+}
+
+impl RpcClient {
+    pub fn new(url: &str) -> Self {
+        // let client = HttpClientBuilder::default().build(url).unwrap();
+
+        let client = HttpClientBuilder::default()
+            .request_timeout(Duration::from_secs(1))
+            .build(url)
+            .unwrap();
+        RpcClient { client }
+    }
+
+    pub async fn call_method(&self, method: &str, params: Vec<Value>) -> Result<Value, Error> {
+        self.client
+            .request(method, params)
+            .await
+            .map_err(Error::from)
+    }
+}
diff --git a/Node/src/utils/rpc_server.rs b/Node/src/utils/rpc_server.rs
new file mode 100644
index 0000000..1311da6
--- /dev/null
+++ b/Node/src/utils/rpc_server.rs
@@ -0,0 +1,103 @@
+#[cfg(test)]
+pub mod test {
+    use jsonrpsee::server::{ServerBuilder, ServerHandle};
+    use jsonrpsee::RpcModule;
+    use lazy_static::lazy_static;
+    use serde_json::json;
+    use std::net::SocketAddr;
+    use tracing::info;
+
+    pub struct RpcServer {
+        handle: Option<ServerHandle>,
+    }
+
+    impl RpcServer {
+        pub fn new() -> Self {
+            RpcServer {
+                handle: None::<ServerHandle>,
+            }
+        }
+
+        #[cfg(test)]
+        pub async fn start_test_responses(
+            &mut self,
+            addr: SocketAddr,
+        ) -> Result<(), Box<dyn std::error::Error>> {
+            let server = ServerBuilder::default().build(addr).await?;
+            let mut module = RpcModule::new(());
+
+            module.register_async_method("RPC.GetL2TxLists", |_, _, _| async {
+                TX_LISTS_RESPONSE.clone()
+            })?;
+            module.register_async_method(
+                "RPC.AdvanceL2ChainHeadWithNewBlocks",
+                |_, _, _| async {
+                    json!({
+                        "result": "Request received and processed successfully",
+                        "id": 1
+                    })
+                },
+            )?;
+
+            let handle = server.start(module);
+            tokio::spawn(handle.clone().stopped());
+
+            self.handle = Some(handle);
+            Ok(())
+        }
+
+        pub async fn stop(&mut self) {
+            if let Some(handle) = self.handle.take() {
+                handle.stop().unwrap();
+            }
+            info!("Server stopped");
+        }
+    }
+
+    lazy_static! {
+        pub static ref TX_LISTS_RESPONSE: serde_json::Value = json!({
+            "TxLists": [
+                [
+                    {
+                        "type": "0x0",
+                        "chainId": "0x28c61",
+                        "nonce": "0x8836",
+                        "to": "0x8b14d287b4150ff22ac73df8be720e933f659abc",
+                        "gas": "0x35f30",
+                        "gasPrice": "0xf4b87001",
+                        "maxPriorityFeePerGas": null,
+                        "maxFeePerGas": null,
+                        "value": "0x0",
+                        "input": "0x3161b7f60000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000027e9000000000000000000000000000000000000000000000005751b6fc9babade290000000000000000000000000000000000000000000000000000000008f811330000000000000000000000000000000000000000000000000000000000000010",
+                        "v": "0x518e5",
+                        "r": "0xb7b4b5540e08775ebb3c077ca7d572378cdb6ed55e3387173f8248578cc073e9",
+                        "s": "0x1f8860f90b61202d4070d1eba494d38c2cb02c749ea1ec542c8d02e5ceeb6439",
+                        "hash": "0xc653e446eafe51eea1f46e6e351adbd1cc8a3271e6935f1441f613a58d441f6a"
+                    },
+                    {
+                        "type": "0x2",
+                        "chainId": "0x28c61",
+                        "nonce": "0x26d0",
+                        "to": "0x2f6ef5baae08ae9df23528c217a77f03f93b690e",
+                        "gas": "0x1a09b",
+                        "gasPrice": null,
+                        "maxPriorityFeePerGas": "0xcbef0801",
+                        "maxFeePerGas": "0xcbef0801",
+                        "value": "0x0",
+                        "input": "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",
+                        "accessList": [],
+                        "v": "0x0",
+                        "r": "0xbfc407896ee6ed36962d1a591b41aa9a17fe19e176e61cb54a1cd69e3a337508",
+                        "s": "0x621b2448dda4d797447935c051e3908f65dfb3729415280a04cb02c4474baefe",
+                        "yParity": "0x0",
+                        "hash": "0xffbcd2fab90f1bf314ca2da1bf83eeab3d17fd58a0393d29a697b2ff05d0e65c"
+                    }
+                ]
+            ],
+            "TxListBytes": [
+                "eJz6ybTuJ6NeU4dZy5cdBYzNzPEGU7pFLrVvEeX/pHXc9se+Ir7J9qmz9jTsOGKYuP0bA36gQECeEb+0+kscEqyl0vknd+26p4lPN8cPQWMC9gs0s0o8XbB9y9YQPo7yuN027DXLrxaZ99zOuxpn3C5u3+QR3nOg+OUC+Y6En9yJCroOBRdfL5lyuUdng07JvIVvQnR6mZ6ee51iuZOxiuknY1kzU09ik9qFltPvORjBRDPjgtlT9PO+7lrHsW7uJ1ONQ+LL65l/WmfyNexkZNmtc12DgPMcCMgvICDPhMxZp+N2d7PIzl0lNrnvPCo+BnYIG99Elq8Ve5l2ovJt1s3puneDy45IOdXqaJFiPhrwuS7EMge3NGu11aH1LQcaFuw/wt6Z9+yt2TRdqUhpx1WzxP9JPix7JrPVS+baPCvjUo4FSdIqHneXXJ/uUml6IPDxhP7U+5uLpohqcLGcZjri7r3uHyAAAP//huiQHQ=="
+            ],
+            "ParentMetaHash": "0x2bcf3b1bb0c4066aa46ba6e99b79d7602f124d5ae8fcffd2977b1c2138aa61bc"
+        });
+    }
+}