Merge branch 'main' into cuprated-config

Author: Boog900

Cargo.lock

@@ -78,6 +78,7 @@ rayon                 = { version = "1.10.0", default-features = false }
 serde_bytes           = { version = "0.11.15", default-features = false }
 serde_json            = { version = "1.0.128", default-features = false }
 serde                 = { version = "1.0.210", default-features = false }
+strum                 = { version = "0.26.3", default-features = false }
 thiserror             = { version = "1.0.63", default-features = false }
 thread_local          = { version = "1.1.8", default-features = false }
 tokio-util            = { version = "0.7.12", default-features = false }

Cargo.toml

@@ -23,7 +23,7 @@ cuprate-p2p-core         = { path = "../../p2p/p2p-core", features = ["serde"] }
 cuprate-dandelion-tower  = { path = "../../p2p/dandelion-tower" }
 cuprate-async-buffer     = { path = "../../p2p/async-buffer" }
 cuprate-address-book     = { path = "../../p2p/address-book", features = ["serde_config"] }
-cuprate-blockchain       = { path = "../../storage/blockchain" }
+cuprate-blockchain       = { path = "../../storage/blockchain", features = ["service"] }
 cuprate-database-service = { path = "../../storage/service" }
 cuprate-txpool           = { path = "../../storage/txpool" }
 cuprate-database         = { path = "../../storage/database" }
@@ -70,7 +70,7 @@ tokio-util            = { workspace = true }
 tokio-stream          = { workspace = true }
 tokio                 = { workspace = true }
 tower                 = { workspace = true }
-tracing-subscriber    = { workspace = true }
+tracing-subscriber    = { workspace = true, features = ["std", "fmt", "default"] }
 tracing               = { workspace = true }
 
 [lints]

binaries/cuprated/Cargo.toml

@@ -1,6 +1,101 @@
 //! Blockchain
 //!
-//! Will contain the chain manager and syncer.
+//! Contains the blockchain manager, syncer and an interface to mutate the blockchain.
+use std::sync::Arc;
 
+use futures::FutureExt;
+use tokio::sync::{mpsc, Notify};
+use tower::{BoxError, Service, ServiceExt};
+
+use cuprate_blockchain::service::{BlockchainReadHandle, BlockchainWriteHandle};
+use cuprate_consensus::{generate_genesis_block, BlockChainContextService, ContextConfig};
+use cuprate_cryptonight::cryptonight_hash_v0;
+use cuprate_p2p::{block_downloader::BlockDownloaderConfig, NetworkInterface};
+use cuprate_p2p_core::{ClearNet, Network};
+use cuprate_types::{
+    blockchain::{BlockchainReadRequest, BlockchainWriteRequest},
+    VerifiedBlockInformation,
+};
+
+use crate::constants::PANIC_CRITICAL_SERVICE_ERROR;
+
+mod chain_service;
+pub mod interface;
 mod manager;
 mod syncer;
+mod types;
+
+use types::{
+    ConcreteBlockVerifierService, ConcreteTxVerifierService, ConsensusBlockchainReadHandle,
+};
+
+/// Checks if the genesis block is in the blockchain and adds it if not.
+pub async fn check_add_genesis(
+    blockchain_read_handle: &mut BlockchainReadHandle,
+    blockchain_write_handle: &mut BlockchainWriteHandle,
+    network: Network,
+) {
+    // Try to get the chain height, will fail if the genesis block is not in the DB.
+    if blockchain_read_handle
+        .ready()
+        .await
+        .expect(PANIC_CRITICAL_SERVICE_ERROR)
+        .call(BlockchainReadRequest::ChainHeight)
+        .await
+        .is_ok()
+    {
+        return;
+    }
+
+    let genesis = generate_genesis_block(network);
+
+    assert_eq!(genesis.miner_transaction.prefix().outputs.len(), 1);
+    assert!(genesis.transactions.is_empty());
+
+    blockchain_write_handle
+        .ready()
+        .await
+        .expect(PANIC_CRITICAL_SERVICE_ERROR)
+        .call(BlockchainWriteRequest::WriteBlock(
+            VerifiedBlockInformation {
+                block_blob: genesis.serialize(),
+                txs: vec![],
+                block_hash: genesis.hash(),
+                pow_hash: cryptonight_hash_v0(&genesis.serialize_pow_hash()),
+                height: 0,
+                generated_coins: genesis.miner_transaction.prefix().outputs[0]
+                    .amount
+                    .unwrap(),
+                weight: genesis.miner_transaction.weight(),
+                long_term_weight: genesis.miner_transaction.weight(),
+                cumulative_difficulty: 1,
+                block: genesis,
+            },
+        ))
+        .await
+        .expect(PANIC_CRITICAL_SERVICE_ERROR);
+}
+
+/// Initializes the consensus services.
+pub async fn init_consensus(
+    blockchain_read_handle: BlockchainReadHandle,
+    context_config: ContextConfig,
+) -> Result<
+    (
+        ConcreteBlockVerifierService,
+        ConcreteTxVerifierService,
+        BlockChainContextService,
+    ),
+    BoxError,
+> {
+    let read_handle = ConsensusBlockchainReadHandle::new(blockchain_read_handle, BoxError::from);
+
+    let ctx_service =
+        cuprate_consensus::initialize_blockchain_context(context_config, read_handle.clone())
+            .await?;
+
+    let (block_verifier_svc, tx_verifier_svc) =
+        cuprate_consensus::initialize_verifier(read_handle, ctx_service.clone());
+
+    Ok((block_verifier_svc, tx_verifier_svc, ctx_service))
+}