chore(papyrus_base_layer): add eth base layer config to node infra

`ser_required_param` seems to be unsupported by the current infra tests
and unused elsewhere, using regular `ser_param` instead.

config/sequencer/default_config.json

@@ -1,4 +1,14 @@
 {
+  "base_layer_config.node_url": {
+    "description": "A required param! Ethereum node URL. A schema to match to Infura node: https://mainnet.infura.io/v3/<your_api_key>, but any other node can be used.",
+    "param_type": "String",
+    "privacy": "Private"
+  },
+  "base_layer_config.starknet_contract_address": {
+    "description": "Starknet contract address in ethereum.",
+    "privacy": "Public",
+    "value": "0xc662c410C0ECf747543f5bA90660f6ABeBD9C8c4"
+  },
   "batcher_config.block_builder_config.bouncer_config.block_max_capacity.builtin_count.add_mod": {
     "description": "Max number of add mod builtin usage in a block.",
     "privacy": "Public",

crates/papyrus_base_layer/Cargo.toml

@@ -32,6 +32,7 @@ tempfile = { workspace = true, optional = true }
 thiserror.workspace = true
 tokio = { workspace = true, features = ["full", "sync"] }
 url = { workspace = true, features = ["serde"] }
+validator.workspace = true
 
 [dev-dependencies]
 ethers-core.workspace = true

crates/papyrus_base_layer/src/ethereum_base_layer_contract.rs

@@ -18,6 +18,7 @@ use starknet_api::block::{BlockHash, BlockHashAndNumber, BlockNumber};
 use starknet_api::hash::StarkHash;
 use starknet_api::StarknetApiError;
 use url::Url;
+use validator::Validate;
 
 use crate::{BaseLayerContract, L1Event};
 
@@ -122,7 +123,7 @@ pub enum EthereumBaseLayerError {
     FeeOutOfRange(alloy_primitives::ruint::FromUintError<u128>),
 }
 
-#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
+#[derive(Debug, Deserialize, Serialize, Clone, PartialEq, Validate)]
 pub struct EthereumBaseLayerConfig {
     pub node_url: Url,
     pub starknet_contract_address: EthereumContractAddress,

crates/starknet_sequencer_node/Cargo.toml

@@ -17,6 +17,7 @@ clap.workspace = true
 const_format.workspace = true
 futures.workspace = true
 infra_utils.workspace = true
+papyrus_base_layer.workspace = true
 papyrus_config.workspace = true
 papyrus_proc_macros = { workspace = true, optional = true }
 papyrus_protobuf.workspace = true

crates/starknet_sequencer_node/src/config/node_config.rs

@@ -6,6 +6,7 @@ use std::vec::Vec;
 
 use clap::Command;
 use infra_utils::path::resolve_project_relative_path;
+use papyrus_base_layer::ethereum_base_layer_contract::EthereumBaseLayerConfig;
 use papyrus_config::dumping::{
     append_sub_config_name,
     generate_struct_pointer,
@@ -116,6 +117,8 @@ pub struct SequencerNodeConfig {
     #[validate]
     pub consensus_manager_config: ConsensusManagerConfig,
     #[validate]
+    pub base_layer_config: EthereumBaseLayerConfig,
+    #[validate]
     pub gateway_config: GatewayConfig,
     #[validate]
     pub http_server_config: HttpServerConfig,
@@ -144,6 +147,7 @@ impl SerializeConfig for SequencerNodeConfig {
             ),
             append_sub_config_name(self.gateway_config.dump(), "gateway_config"),
             append_sub_config_name(self.http_server_config.dump(), "http_server_config"),
+            append_sub_config_name(self.base_layer_config.dump(), "base_layer_config"),
             append_sub_config_name(self.rpc_state_reader_config.dump(), "rpc_state_reader_config"),
             append_sub_config_name(self.compiler_config.dump(), "compiler_config"),
             append_sub_config_name(self.mempool_p2p_config.dump(), "mempool_p2p_config"),