Merge branch 'schouhy/adapt-sequencer-to-bedrock' into Pravdyvy/block-parsing-validation

2026-02-14 10:23:08 +00:00 · 2026-01-15 14:03:23 +02:00 · 2026-01-15 14:03:23 +02:00 · b6a0e62871
commit b6a0e62871
parent de5201e212 8da515da6b
14 changed files with 310 additions and 106 deletions
--- a/Cargo.lock
+++ b/Cargo.lock
@ -1107,7 +1107,7 @@ dependencies = [
 [[package]]
 name = "broadcast-service"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "async-trait",
 "derivative",
@ -1279,7 +1279,7 @@ dependencies = [
 [[package]]
 name = "chain-service"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "async-trait",
 "broadcast-service",
@ -1332,7 +1332,7 @@ dependencies = [
 [[package]]
 name = "circuits-prover"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "circuits-utils",
 "tempfile",
@ -1341,7 +1341,7 @@ dependencies = [
 [[package]]
 name = "circuits-utils"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "dirs",
 ]
@ -1433,7 +1433,7 @@ dependencies = [
 [[package]]
 name = "common-http-client"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "broadcast-service",
 "chain-service",
@ -1578,7 +1578,7 @@ checksum = "460fbee9c2c2f33933d720630a6a0bac33ba7053db5344fac858d4b8952d77d5"
 [[package]]
 name = "cryptarchia-engine"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "cfg_eval",
 "nomos-utils",
@ -1592,7 +1592,7 @@ dependencies = [
 [[package]]
 name = "cryptarchia-sync"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "bytes",
 "cryptarchia-engine",
@ -1772,7 +1772,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d162beedaa69905488a8da94f5ac3edb4dd4788b732fadb7bd120b2625c1976"
 dependencies = [
 "data-encoding",
- "syn 1.0.109",
+ "syn 2.0.111",
 ]

 [[package]]
@ -2409,7 +2409,7 @@ dependencies = [
 [[package]]
 name = "groth16"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "ark-bn254 0.4.0",
 "ark-ec 0.4.2",
@ -2718,7 +2718,7 @@ dependencies = [
 "libc",
 "percent-encoding",
 "pin-project-lite",
- "socket2 0.6.1",
+ "socket2 0.5.10",
 "system-configuration",
 "tokio",
 "tower-service",
@ -3113,7 +3113,7 @@ dependencies = [
 [[package]]
 name = "key-management-system-keys"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "async-trait",
 "bytes",
@ -3138,13 +3138,28 @@ dependencies = [
 [[package]]
 name = "key-management-system-macros"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "proc-macro2",
 "quote",
 "syn 2.0.111",
 ]

+[[package]]
+name = "key-management-system-service"
+version = "0.1.0"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
+dependencies = [
+ "async-trait",
+ "key-management-system-keys",
+ "log",
+ "overwatch",
+ "serde",
+ "thiserror 2.0.17",
+ "tokio",
+ "tracing",
+]
+
 [[package]]
 name = "key_protocol"
 version = "0.1.0"
@ -3169,7 +3184,7 @@ dependencies = [
 [[package]]
 name = "kzgrs"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "ark-bls12-381",
 "ark-ec 0.4.2",
@ -3188,7 +3203,7 @@ dependencies = [
 [[package]]
 name = "kzgrs-backend"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "ark-ff 0.4.2",
 "ark-poly 0.4.2",
@ -3476,7 +3491,7 @@ dependencies = [
 [[package]]
 name = "mmr"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "ark-ff 0.4.2",
 "groth16",
@ -3594,7 +3609,7 @@ dependencies = [
 [[package]]
 name = "nomos-blend-crypto"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "blake2",
 "groth16",
@ -3612,7 +3627,7 @@ dependencies = [
 [[package]]
 name = "nomos-blend-message"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "blake2",
 "derivative",
@ -3634,7 +3649,7 @@ dependencies = [
 [[package]]
 name = "nomos-blend-proofs"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "ed25519-dalek",
 "generic-array 1.3.5",
@ -3649,7 +3664,7 @@ dependencies = [
 [[package]]
 name = "nomos-core"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "ark-ff 0.4.2",
 "async-trait",
@ -3679,7 +3694,7 @@ dependencies = [
 [[package]]
 name = "nomos-da-messages"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "blake2",
 "futures",
@ -3692,7 +3707,7 @@ dependencies = [
 [[package]]
 name = "nomos-http-api-common"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "axum",
 "governor",
@ -3707,7 +3722,7 @@ dependencies = [
 [[package]]
 name = "nomos-ledger"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "cryptarchia-engine",
 "groth16",
@ -3730,7 +3745,7 @@ dependencies = [
 [[package]]
 name = "nomos-network"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "async-trait",
 "cryptarchia-sync",
@ -3746,7 +3761,7 @@ dependencies = [
 [[package]]
 name = "nomos-storage"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "async-trait",
 "bytes",
@ -3765,7 +3780,7 @@ dependencies = [
 [[package]]
 name = "nomos-utils"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "async-trait",
 "blake2",
@ -4143,7 +4158,7 @@ checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c"
 [[package]]
 name = "pol"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "circuits-prover",
 "circuits-utils",
@ -4171,7 +4186,7 @@ dependencies = [
 [[package]]
 name = "poq"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "circuits-prover",
 "circuits-utils",
@ -4193,7 +4208,7 @@ checksum = "f84267b20a16ea918e43c6a88433c2d54fa145c92a811b5b047ccbe153674483"
 [[package]]
 name = "poseidon2"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "ark-bn254 0.4.0",
 "ark-ff 0.4.2",
@ -4381,7 +4396,7 @@ dependencies = [
 "quinn-udp",
 "rustc-hash",
 "rustls",
- "socket2 0.6.1",
+ "socket2 0.5.10",
 "thiserror 2.0.17",
 "tokio",
 "tracing",
@ -4418,7 +4433,7 @@ dependencies = [
 "cfg_aliases",
 "libc",
 "once_cell",
- "socket2 0.6.1",
+ "socket2 0.5.10",
 "tracing",
 "windows-sys 0.60.2",
 ]
@ -5174,14 +5189,19 @@ version = "0.1.0"
 dependencies = [
 "anyhow",
 "base58",
+ "bedrock_client",
+ "borsh",
 "chrono",
 "common",
 "futures",
- "indexer",
+ "key-management-system-service",
 "log",
 "mempool",
+ "nomos-core",
 "nssa",
 "nssa_core",
+ "rand 0.8.5",
+ "reqwest",
 "serde",
 "serde_json",
 "storage",
@ -5361,7 +5381,7 @@ dependencies = [
 [[package]]
 name = "services-utils"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "async-trait",
 "futures",
@ -6147,10 +6167,11 @@ checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 [[package]]
 name = "utxotree"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "ark-ff 0.4.2",
 "groth16",
+ "nomos-core",
 "num-bigint",
 "poseidon2",
 "rpds",
@ -6605,7 +6626,7 @@ checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
 [[package]]
 name = "witness-generator"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "circuits-utils",
 "tempfile",
@ -6760,7 +6781,7 @@ dependencies = [
 [[package]]
 name = "zksign"
 version = "0.1.0"
-source = "git+https://github.com/logos-blockchain/logos-blockchain.git?branch=marbella-offsite-2025-12#b47525f893353b0441a34a62b87c85ad27fb8519"
+source = "git+https://github.com/logos-blockchain/logos-blockchain.git#b89238be3ad8111b9975e1023b87d8672d0edd74"
 dependencies = [
 "circuits-prover",
 "circuits-utils",
--- a/Cargo.toml
+++ b/Cargo.toml
@ -81,8 +81,9 @@ base58 = "0.2.0"
 itertools = "0.14.0"
 url = "2.5.4"

-common-http-client = { git = "https://github.com/logos-blockchain/logos-blockchain.git", branch = "marbella-offsite-2025-12" }
-nomos-core = { git = "https://github.com/logos-blockchain/logos-blockchain.git", branch = "marbella-offsite-2025-12" }
+common-http-client = { git = "https://github.com/logos-blockchain/logos-blockchain.git" }
+key-management-system-service = { git = "https://github.com/logos-blockchain/logos-blockchain.git" }
+nomos-core = { git = "https://github.com/logos-blockchain/logos-blockchain.git" }

 rocksdb = { version = "0.24.0", default-features = false, features = [
  "snappy",
--- a/common/src/block.rs
+++ b/common/src/block.rs
@ -43,7 +43,7 @@ pub struct Block {
    pub body: BlockBody,
 }

-#[derive(Debug, PartialEq, Eq, BorshSerialize, BorshDeserialize)]
+#[derive(Debug, Clone, PartialEq, Eq, BorshSerialize, BorshDeserialize)]
 pub struct HashableBlockData {
    pub block_id: BlockId,
    pub prev_block_hash: BlockHash,
--- a/integration_tests/configs/sequencer/sequencer_config.json
+++ b/integration_tests/configs/sequencer/sequencer_config.json
@ -164,4 +164,4 @@
        "resubscribe_interval": 1000,
        "channel_id": "2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a"
    }
-}
+}
--- a/integration_tests/tests/tps.rs
+++ b/integration_tests/tests/tps.rs
@ -192,6 +192,7 @@ impl TpsTestManager {
                resubscribe_interval: 100,
                channel_id: [42; 32].into(),
            },
+            bedrock_config: None,
        }
    }
 }
--- a/sequencer_core/Cargo.toml
+++ b/sequencer_core/Cargo.toml
@ -19,6 +19,12 @@ tempfile.workspace = true
 chrono.workspace = true
 log.workspace = true
 tokio = { workspace = true, features = ["rt-multi-thread", "macros"] }
+bedrock_client.workspace = true
+key-management-system-service.workspace = true
+nomos-core.workspace=true
+rand.workspace = true
+reqwest.workspace = true
+borsh.workspace = true

 [features]
 default = []
--- a/sequencer_core/src/block_settlement_client.rs
+++ b/sequencer_core/src/block_settlement_client.rs
@ -0,0 +1,120 @@
+use std::{fs, path::Path};
+
+use anyhow::Result;
+use bedrock_client::BedrockClient;
+use common::block::HashableBlockData;
+use key_management_system_service::keys::{ED25519_SECRET_KEY_SIZE, Ed25519Key, Ed25519PublicKey};
+use nomos_core::mantle::{
+    MantleTx, Op, OpProof, SignedMantleTx, Transaction, TxHash, ledger,
+    ops::channel::{ChannelId, MsgId, inscribe::InscriptionOp},
+};
+use reqwest::Url;
+
+use crate::config::BedrockConfig;
+
+/// A component that posts block data to logos blockchain
+pub struct BlockSettlementClient {
+    bedrock_node_url: Url,
+    bedrock_client: BedrockClient,
+    bedrock_signing_key: Ed25519Key,
+    bedrock_channel_id: ChannelId,
+}
+
+impl BlockSettlementClient {
+    pub fn new(home: &Path, config: &BedrockConfig) -> Self {
+        let bedrock_signing_key = load_or_create_signing_key(&home.join("bedrock_signing_key"))
+            .expect("Signing key should load or be created successfully");
+        let bedrock_node_url =
+            Url::parse(&config.node_url).expect("Bedrock URL should be a valid URL");
+        let bedrock_channel_id = ChannelId::from(config.channel_id);
+        let bedrock_client =
+            BedrockClient::new(None).expect("Bedrock client should be able to initialize");
+        Self {
+            bedrock_node_url,
+            bedrock_client,
+            bedrock_signing_key,
+            bedrock_channel_id,
+        }
+    }
+
+    /// Create and sign a transaction for inscribing data
+    pub fn create_inscribe_tx(&self, data: Vec<u8>, parent: MsgId) -> SignedMantleTx {
+        let verifying_key_bytes = self.bedrock_signing_key.public_key().to_bytes();
+        let verifying_key =
+            Ed25519PublicKey::from_bytes(&verifying_key_bytes).expect("valid ed25519 public key");
+
+        let inscribe_op = InscriptionOp {
+            channel_id: self.bedrock_channel_id,
+            inscription: data,
+            parent,
+            signer: verifying_key,
+        };
+
+        let ledger_tx = ledger::Tx::new(vec![], vec![]);
+
+        let inscribe_tx = MantleTx {
+            ops: vec![Op::ChannelInscribe(inscribe_op)],
+            ledger_tx,
+            storage_gas_price: 0,
+            execution_gas_price: 0,
+        };
+
+        let tx_hash = inscribe_tx.hash();
+        let signature_bytes = self
+            .bedrock_signing_key
+            .sign_payload(tx_hash.as_signing_bytes().as_ref())
+            .to_bytes();
+        let signature =
+            key_management_system_service::keys::Ed25519Signature::from_bytes(&signature_bytes);
+
+        SignedMantleTx {
+            ops_proofs: vec![OpProof::Ed25519Sig(signature)],
+            ledger_tx_proof: empty_ledger_signature(&tx_hash),
+            mantle_tx: inscribe_tx,
+        }
+    }
+
+    /// Post a transaction to the node and wait for inclusion
+    pub async fn post_and_wait(&self, block_data: &HashableBlockData) -> Result<u64> {
+        let msg_id: MsgId = {
+            let mut this = [0; 32];
+            this[0..8].copy_from_slice(&block_data.block_id.to_le_bytes());
+            this.into()
+        };
+
+        let inscription_data = borsh::to_vec(&block_data)?;
+        let tx = self.create_inscribe_tx(inscription_data, msg_id);
+
+        // Post the transaction
+        self.bedrock_client
+            .0
+            .post_transaction(self.bedrock_node_url.clone(), tx.clone())
+            .await?;
+
+        Ok(block_data.block_id)
+    }
+}
+
+/// Load signing key from file or generate a new one if it doesn't exist
+fn load_or_create_signing_key(path: &Path) -> Result<Ed25519Key, ()> {
+    if path.exists() {
+        let key_bytes = fs::read(path).map_err(|_| ())?;
+        if key_bytes.len() != ED25519_SECRET_KEY_SIZE {
+            // TODO: proper error
+            return Err(());
+        }
+        let key_array: [u8; ED25519_SECRET_KEY_SIZE] =
+            key_bytes.try_into().expect("length already checked");
+        Ok(Ed25519Key::from_bytes(&key_array))
+    } else {
+        let mut key_bytes = [0u8; ED25519_SECRET_KEY_SIZE];
+        rand::RngCore::fill_bytes(&mut rand::thread_rng(), &mut key_bytes);
+        fs::write(path, key_bytes).map_err(|_| ())?;
+        Ok(Ed25519Key::from_bytes(&key_bytes))
+    }
+}
+
+fn empty_ledger_signature(tx_hash: &TxHash) -> key_management_system_service::keys::ZkSignature {
+    key_management_system_service::keys::ZkKey::multi_sign(&[], tx_hash.as_ref())
+        .expect("multi-sign with empty key set works")
+}
--- a/sequencer_core/src/config.rs
+++ b/sequencer_core/src/config.rs
@ -54,6 +54,16 @@ pub struct SequencerConfig {
    pub bedrock_auth: (String, String),
    /// Indexer config
    pub indexer_config: IndexerConfig,
+    /// Bedrock configuration options
+    pub bedrock_config: Option<BedrockConfig>,
+}
+
+#[derive(Clone, Serialize, Deserialize)]
+pub struct BedrockConfig {
+    /// Bedrock channel ID
+    pub channel_id: [u8; 32],
+    /// Bedrock Url
+    pub node_url: String,
 }

 impl SequencerConfig {
--- a/sequencer_core/src/lib.rs
+++ b/sequencer_core/src/lib.rs
@ -14,8 +14,9 @@ use mempool::{MemPool, MemPoolHandle};
 use serde::{Deserialize, Serialize};
 use tokio::sync::mpsc::Receiver;

-use crate::block_store::SequencerBlockStore;
+use crate::{block_settlement_client::BlockSettlementClient, block_store::SequencerBlockStore};

+mod block_settlement_client;
 pub mod block_store;
 pub mod config;

@ -28,6 +29,7 @@ pub struct SequencerCore {
    // No logic here for now
    #[allow(unused)]
    receiver: Receiver<BlockHash>,
+    block_settlement_client: Option<BlockSettlementClient>,
 }

 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
@ -94,6 +96,11 @@ impl SequencerCore {
        state.add_pinata_program(PINATA_BASE58.parse().unwrap());

        let (mempool, mempool_handle) = MemPool::new(config.mempool_max_size);
+        let block_settlement = config
+            .bedrock_config
+            .as_ref()
+            .map(|bedrock_config| BlockSettlementClient::new(&config.home, bedrock_config));
+
        let mut this = Self {
            state,
            block_store,
@ -101,6 +108,7 @@ impl SequencerCore {
            chain_height: config.genesis_id,
            sequencer_config: config,
            receiver,
+            block_settlement_client: block_settlement,
        };

        this.sync_state_with_stored_blocks();
@ -145,9 +153,21 @@ impl SequencerCore {
        Ok(tx)
    }

+    pub async fn produce_new_block_and_post_to_settlement_layer(&mut self) -> Result<u64> {
+        let block_data = self.produce_new_block_with_mempool_transactions()?;
+
+        if let Some(block_settlement) = &self.block_settlement_client {
+            block_settlement.post_and_wait(&block_data).await?;
+            log::info!("Posted block data to Bedrock");
+        }
+
+        Ok(self.chain_height)
+    }
+
    /// Produces new block from transactions in mempool
-    pub fn produce_new_block_with_mempool_transactions(&mut self) -> Result<u64> {
+    pub fn produce_new_block_with_mempool_transactions(&mut self) -> Result<HashableBlockData> {
        let now = Instant::now();
+
        let new_block_height = self.chain_height + 1;

        let mut valid_transactions = vec![];
@ -175,8 +195,6 @@ impl SequencerCore {

        let curr_time = chrono::Utc::now().timestamp_millis() as u64;

-        let num_txs_in_block = valid_transactions.len();
-
        let hashable_data = HashableBlockData {
            block_id: new_block_height,
            transactions: valid_transactions,
@ -184,14 +202,16 @@ impl SequencerCore {
            timestamp: curr_time,
        };

-        let block = hashable_data.into_block(self.block_store.signing_key());
+        let block = hashable_data
+            .clone()
+            .into_block(self.block_store.signing_key());

        self.block_store.put_block_at_id(block)?;

        self.chain_height = new_block_height;

        // TODO: Consider switching to `tracing` crate to have more structured and consistent logs
-        // e.g.
+        // // e.g.
        //
        // ```
        // info!(
@ -202,11 +222,10 @@ impl SequencerCore {
        // ```
        log::info!(
            "Created block with {} transactions in {} seconds",
-            num_txs_in_block,
+            hashable_data.transactions.len(),
            now.elapsed().as_secs()
        );
-
-        Ok(self.chain_height)
+        Ok(hashable_data)
    }

    pub fn state(&self) -> &nssa::V02State {
@ -292,6 +311,7 @@ mod tests {
                resubscribe_interval: 100,
                channel_id: [42; 32].into(),
            },
+            bedrock_config: None,
        }
    }

@ -640,9 +660,9 @@ mod tests {
        let tx = common::test_utils::produce_dummy_empty_transaction();
        mempool_handle.push(tx).await.unwrap();

-        let block_id = sequencer.produce_new_block_with_mempool_transactions();
-        assert!(block_id.is_ok());
-        assert_eq!(block_id.unwrap(), genesis_height + 1);
+        let block = sequencer.produce_new_block_with_mempool_transactions();
+        assert!(block.is_ok());
+        assert_eq!(block.unwrap().block_id, genesis_height + 1);
    }

    #[tokio::test]
@ -679,7 +699,8 @@ mod tests {
        // Create block
        let current_height = sequencer
            .produce_new_block_with_mempool_transactions()
-            .unwrap();
+            .unwrap()
+            .block_id;
        let block = sequencer
            .block_store
            .get_block_at_id(current_height)
@ -718,7 +739,8 @@ mod tests {
        mempool_handle.push(tx.clone()).await.unwrap();
        let current_height = sequencer
            .produce_new_block_with_mempool_transactions()
-            .unwrap();
+            .unwrap()
+            .block_id;
        let block = sequencer
            .block_store
            .get_block_at_id(current_height)
@ -729,7 +751,8 @@ mod tests {
        mempool_handle.push(tx.clone()).await.unwrap();
        let current_height = sequencer
            .produce_new_block_with_mempool_transactions()
-            .unwrap();
+            .unwrap()
+            .block_id;
        let block = sequencer
            .block_store
            .get_block_at_id(current_height)
@ -766,7 +789,8 @@ mod tests {
            mempool_handle.push(tx.clone()).await.unwrap();
            let current_height = sequencer
                .produce_new_block_with_mempool_transactions()
-                .unwrap();
+                .unwrap()
+                .block_id;
            let block = sequencer
                .block_store
                .get_block_at_id(current_height)
--- a/sequencer_rpc/src/process.rs
+++ b/sequencer_rpc/src/process.rs
@ -396,6 +396,7 @@ mod tests {
                resubscribe_interval: 100,
                channel_id: [42; 32].into(),
            },
+            bedrock_config: None,
        }
    }

--- a/sequencer_runner/configs/debug/sequencer_config.json
+++ b/sequencer_runner/configs/debug/sequencer_config.json
@ -154,5 +154,9 @@
        37,
        37,
        37
-    ]
-}
+    ],
+    "bedrock_config": {
+        "channel_id": [1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1],
+        "node_url": "http://localhost:45403"
+    }
+}
--- a/sequencer_runner/src/lib.rs
+++ b/sequencer_runner/src/lib.rs
@ -69,7 +69,9 @@ pub async fn startup_sequencer(
            let id = {
                let mut state = seq_core_wrapped.lock().await;

-                state.produce_new_block_with_mempool_transactions()?
+                state
+                    .produce_new_block_and_post_to_settlement_layer()
+                    .await?
            };

            info!("Block with id {id} created");
--- a/wallet/Cargo.toml
+++ b/wallet/Cargo.toml
@ -14,7 +14,7 @@ serde_json.workspace = true
 env_logger.workspace = true
 log.workspace = true
 serde.workspace = true
-tokio.workspace = true
+tokio = { workspace = true, features = ["macros"] }
 clap.workspace = true
 base64.workspace = true
 bytemuck.workspace = true
--- a/wallet/src/cli/config.rs
+++ b/wallet/src/cli/config.rs
@ -10,7 +10,13 @@ use crate::{
 #[derive(Subcommand, Debug, Clone)]
 pub enum ConfigSubcommand {
    /// Getter of config fields
-    Get { key: String },
+    Get {
+        /// Print all config fields
+        #[arg(short, long)]
+        all: bool,
+        /// Config field key to get
+        key: Option<String>,
+    },
    /// Setter of config fields
    Set { key: String, value: String },
    /// Prints description of corresponding field
@ -23,58 +29,66 @@ impl WalletSubcommand for ConfigSubcommand {
        wallet_core: &mut WalletCore,
    ) -> Result<SubcommandReturnValue> {
        match self {
-            ConfigSubcommand::Get { key } => match key.as_str() {
-                "all" => {
+            ConfigSubcommand::Get { all, key } => {
+                if all {
                    let config_str =
                        serde_json::to_string_pretty(&wallet_core.storage.wallet_config)?;

                    println!("{config_str}");
-                }
-                "override_rust_log" => {
-                    if let Some(value) = &wallet_core.storage.wallet_config.override_rust_log {
-                        println!("{value}");
-                    } else {
-                        println!("Not set");
+                } else if let Some(key) = key {
+                    match key.as_str() {
+                        "override_rust_log" => {
+                            if let Some(value) =
+                                &wallet_core.storage.wallet_config.override_rust_log
+                            {
+                                println!("{value}");
+                            } else {
+                                println!("Not set");
+                            }
+                        }
+                        "sequencer_addr" => {
+                            println!("{}", wallet_core.storage.wallet_config.sequencer_addr);
+                        }
+                        "seq_poll_timeout_millis" => {
+                            println!(
+                                "{}",
+                                wallet_core.storage.wallet_config.seq_poll_timeout_millis
+                            );
+                        }
+                        "seq_tx_poll_max_blocks" => {
+                            println!(
+                                "{}",
+                                wallet_core.storage.wallet_config.seq_tx_poll_max_blocks
+                            );
+                        }
+                        "seq_poll_max_retries" => {
+                            println!("{}", wallet_core.storage.wallet_config.seq_poll_max_retries);
+                        }
+                        "seq_block_poll_max_amount" => {
+                            println!(
+                                "{}",
+                                wallet_core.storage.wallet_config.seq_block_poll_max_amount
+                            );
+                        }
+                        "initial_accounts" => {
+                            println!("{:#?}", wallet_core.storage.wallet_config.initial_accounts);
+                        }
+                        "basic_auth" => {
+                            if let Some(basic_auth) = &wallet_core.storage.wallet_config.basic_auth
+                            {
+                                println!("{basic_auth}");
+                            } else {
+                                println!("Not set");
+                            }
+                        }
+                        _ => {
+                            println!("Unknown field");
+                        }
                    }
+                } else {
+                    println!("Please provide a key or use --all flag");
                }
-                "sequencer_addr" => {
-                    println!("{}", wallet_core.storage.wallet_config.sequencer_addr);
-                }
-                "seq_poll_timeout_millis" => {
-                    println!(
-                        "{}",
-                        wallet_core.storage.wallet_config.seq_poll_timeout_millis
-                    );
-                }
-                "seq_tx_poll_max_blocks" => {
-                    println!(
-                        "{}",
-                        wallet_core.storage.wallet_config.seq_tx_poll_max_blocks
-                    );
-                }
-                "seq_poll_max_retries" => {
-                    println!("{}", wallet_core.storage.wallet_config.seq_poll_max_retries);
-                }
-                "seq_block_poll_max_amount" => {
-                    println!(
-                        "{}",
-                        wallet_core.storage.wallet_config.seq_block_poll_max_amount
-                    );
-                }
-                "initial_accounts" => {
-                    println!("{:#?}", wallet_core.storage.wallet_config.initial_accounts);
-                }
-                "basic_auth" => {
-                    if let Some(basic_auth) = &wallet_core.storage.wallet_config.basic_auth {
-                        println!("{basic_auth}");
-                    } else {
-                        println!("Not set");
-                    }
-                }
-                _ => {
-                    println!("Unknown field");
-                }
-            },
+            }
            ConfigSubcommand::Set { key, value } => {
                match key.as_str() {
                    "override_rust_log" => {