Uses of Class
com.privatechain.core.builder.Blockchain

Packages that use Blockchain

Package	Description
com.privatechain.consensus.pbft	Practical Byzantine Fault Tolerance (PBFT) consensus engine (FR-CONS-04, NFR-REL-03).
com.privatechain.consensus.poa	Proof of Authority (PoA) consensus engine — accepts blocks only from a configured set of authorized signer addresses (FR-CONS-03, AC-02).
com.privatechain.consensus.pow	Proof of Work (PoW) consensus engine — SHA-256 hash mining with configurable difficulty (FR-CONS-02, AC-03).
com.privatechain.consensus.roundrobin	Round-Robin consensus engine — deterministic slot-based block production for development and testing (FR-CONS-05).
com.privatechain.core.builder	Assembly layer — the single location where all library modules are composed.
com.privatechain.core.mempool	In-memory transaction pool with pluggable prioritization and TTL eviction.
com.privatechain.core.spi	Service Provider Interfaces (SPIs) — the primary extension points of the library.
com.privatechain.network.rpc	Netty TCP server, client, and NDJSON message codec — the transport layer of the P2P networking stack (FR-NET-01, ADR-001).
com.privatechain.network.sync	Chain synchronization and fork resolution — brings a node's local chain up to date with the network on startup and after a network partition (FR-NET-04, FR-NET-05).
com.privatechain.storage	BlockchainStorage implementations and chain export utilities for the private-blockchain library.
com.privatechain.wallet	Wallet and key management — secp256k1 key pairs, transaction signing, balance computation, and encrypted keystore serialisation (FR-WALLET-01–04).

Uses of Blockchain in com.privatechain.consensus.pbft

Methods in com.privatechain.consensus.pbft with parameters of type Blockchain

Modifier and Type	Method	Description
boolean	PBFTEngine.validateBlock(Block block, Blockchain chain)	Validates whether the candidate block satisfies the PBFT acceptance rules.

Uses of Blockchain in com.privatechain.consensus.poa

Methods in com.privatechain.consensus.poa with parameters of type Blockchain

Modifier and Type	Method	Description
boolean	ProofOfAuthorityEngine.validateBlock(Block block, Blockchain chain)	Validates whether the candidate block was produced by an authorized miner.

Uses of Blockchain in com.privatechain.consensus.pow

Methods in com.privatechain.consensus.pow with parameters of type Blockchain

Modifier and Type	Method	Description
boolean	ProofOfWorkEngine.validateBlock(Block block, Blockchain chain)	Validates whether the candidate block satisfies the proof-of-work rules.

Uses of Blockchain in com.privatechain.consensus.roundrobin

Methods in com.privatechain.consensus.roundrobin with parameters of type Blockchain

Modifier and Type	Method	Description
boolean	RoundRobinEngine.validateBlock(Block block, Blockchain chain)	Validates whether the candidate block was produced by the peer assigned to the current slot.

Uses of Blockchain in com.privatechain.core.builder

Methods in com.privatechain.core.builder that return Blockchain

Modifier and Type	Method	Description
Blockchain	BlockchainNode.getChain()	Returns the underlying Blockchain for direct chain access.

Uses of Blockchain in com.privatechain.core.mempool

Methods in com.privatechain.core.mempool with parameters of type Blockchain

Modifier and Type	Method	Description
MempoolSubmissionResult	TransactionMempool.submitWithValidation(Transaction transaction, Blockchain chain)	Validates and submits a transaction using the configured TransactionValidator.

Uses of Blockchain in com.privatechain.core.spi

Methods in com.privatechain.core.spi with parameters of type Blockchain

Modifier and Type	Method	Description
ValidationResult	TransactionValidator.validate(Transaction tx, Blockchain chain)	Validates a single transaction against the current chain state.
boolean	ConsensusEngine.validateBlock(Block block, Blockchain chain)	Validates whether the given block satisfies the consensus rules of this engine.

Uses of Blockchain in com.privatechain.network.rpc

Constructors in com.privatechain.network.rpc with parameters of type Blockchain

Modifier	Constructor	Description
	NodeServer(int port, AllowlistManager allowlistManager, PermissionManager permissionManager, PeerManager peerManager, MessageCodec codec, Blockchain blockchain, BlockchainEventBus eventBus)	Constructs a NodeServer with all required dependencies.

Uses of Blockchain in com.privatechain.network.sync

Constructors in com.privatechain.network.sync with parameters of type Blockchain

Modifier	Constructor	Description
	SyncManager(String localNodeId, Blockchain blockchain, PeerManager peerManager, BlockFetcher blockFetcher, ForkResolver forkResolver, MessageCodec codec, NodeClient nodeClient)	Constructs a SyncManager with all required dependencies.

Uses of Blockchain in com.privatechain.storage

Methods in com.privatechain.storage with parameters of type Blockchain

Modifier and Type	Method	Description
static String	ChainExporter.toCsv(Blockchain chain)	Exports the blockchain as a flat RFC-4180 CSV string for audit and analytics use (FR-SER-03).
static String	ChainExporter.toJson(Blockchain chain)	Serializes the entire blockchain to a compact JSON array string (FR-SER-02).

Uses of Blockchain in com.privatechain.wallet

Methods in com.privatechain.wallet with parameters of type Blockchain

Modifier and Type	Method	Description
BigDecimal	Wallet.getBalance(Blockchain blockchain)	Computes the balance of this wallet by scanning the blockchain for all confirmed transactions involving this address.