public class | source

LightChain

Extends:

Observable → IBlockchain → BaseChain → FullChain → LightChain

Direct Subclass:

A LightChain is initialized by using NiPoPoWs instead of the full blockchain history, but after initialization, it behaves as a regular full blockchain.

Static Method Summary

Static Public Methods
public static	createVolatile(accounts: Accounts, time: Time): Promise<LightChain>
public static	getPersistent(jdb: JungleDB, accounts: Accounts, time: Time): Promise<LightChain>

Constructor Summary

Public Constructor
public	constructor(store: ChainDataStore, accounts: Accounts, time: Time): PartialLightChain

Method Summary

Public Methods
public	async partialChain(): PartialLightChain

Protected Methods
protected	async _init(): *

Inherited Summary

From class Observable
public static get	WILDCARD: string: string
public	bubble(observable: Observable, types: ...string)
public	fire(type: string, args: ...*): Promise
public	off(type: string, id: number)
public	on(type: string, callback: Function): number

From class IBlockchain
public get abstract	head: Block
public get abstract	headHash: Hash
public get abstract	height: number

From class BaseChain
public static	async isBetterProof(proof1: ChainProof, proof2: ChainProof, m: number): Promise<boolean>
public static	async manyPow(headers: Array<BlockHeader>): Promise<void>
protected static	async _getProofScore(chain: BlockChain, lca: Block, m: number): Promise<number>
public	async getBlock(hash: Hash, includeForks: boolean, includeBody: boolean): PromiseBlock>
public	getBlockAt(height: number, includeBody: boolean): PromiseBlock>
public	async getBlockLocators(): Promise<Array<Hash>>
public	getNearestBlockAt(height: number, lower: boolean): PromiseBlock>
public	async getNextTarget(block: Block, next: Block): Promise<BigNumber> Computes the target value for the block after the given block or the head of this chain if no block is given.
public	getRawBlock(hash: Hash, includeForks: boolean): PromiseUint8Array>
public	async getSuccessorBlocks(block: Block): Promise<Array<Block>>
protected	async _extendChainProof(proof: ChainProof, header: BlockHeader, failOnBadness: boolean): Promise<ChainProof>
protected	async _getBlockProof(blockToProve: Block, knownBlock: Block): PromiseBlockChain> MUST be synchronized with .pushBlock() and variants!
protected	_getChainProof(): Promise<ChainProof> MUST be synchronized with .pushBlock() and variants!

From class FullChain
public static	createVolatile(accounts: Accounts, time: Time, transactionStore: TransactionStore): Promise<FullChain>
public static	getPersistent(jdb: JungleDB, accounts: Accounts, time: Time, transactionStore: TransactionStore): Promise<FullChain>
public get	accounts: Accounts
public get	blockExtendedCount: number
public get	blockForkedCount: number
public get	blockInvalidCount: number
public get	blockKnownCount: number
public get	blockOrphanCount: number
public get	blockRebranchedCount: number
public get	head: Block
public get	headHash: Hash
public get	height: *
public get	queue: PrioritySynchronizer
public get	totalDifficulty: BigNumber
public get	totalWork: BigNumber
public get	transactionCache: TransactionCache
public	accountsHash(): Promise<Hash>
public	async getAccountsProof(blockHash: Hash, addresses: Array<Address>): PromiseAccountsProof>
public	async getAccountsTreeChunk(blockHash: Hash, startPrefix: string): PromiseAccountsTreeChunk>
public	getBlockProof(blockToProve: Block, knownBlock: Block): PromiseBlockChain>
public	getBlocks(startBlockHash: Hash, count: number, forward: boolean): Promise<Array<Block>>
public	getChainProof(): Promise<ChainProof>
public	async getTransactionInfoByHash(transactionHash: Hash): PromiseTransactionStoreEntry>
public	async getTransactionReceiptsByAddress(address: Address, limit: number): Promise<?Array<TransactionReceipt>>
public	async getTransactionReceiptsByHashes(hashes: Array<Hash>, limit: number): Promise<?Array<TransactionReceipt>>
public	async getTransactionsProof(blockHash: Hash, addresses: Array<Address>): PromiseTransactionsProof> this method was deprecated.
public	async getTransactionsProofByAddresses(blockHash: Hash, addresses: Array<Address>): PromiseTransactionsProof>
public	async getTransactionsProofByHashes(blockHash: Hash, hashes: Array<Hash>): PromiseTransactionsProof>
public	pushBlock(block: Block): Promise<number>
protected	async _init(): Promise<FullChain>
protected	async _pushBlock(block: Block): Promise<number>
protected	async _rebranch(blockHash: Hash, chainData: ChainData): Promise<boolean>
protected	async _verifyInterlink(block: Block): Promise<boolean>

Static Public Methods

public static createVolatile(accounts: Accounts, time: Time): Promise<LightChain> source

Override:

FullChain#createVolatile

Params:

Name	Type	Attribute	Description
accounts	Accounts
time	Time

Return:

Promise<LightChain>

public static getPersistent(jdb: JungleDB, accounts: Accounts, time: Time): Promise<LightChain> source

Override:

FullChain#getPersistent

Params:

Name	Type	Attribute	Description
jdb	JungleDB
accounts	Accounts
time	Time

Return:

Promise<LightChain>

Public Constructors

public constructor(store: ChainDataStore, accounts: Accounts, time: Time): PartialLightChain source

Override:

FullChain#constructor

Params:

Name	Type	Attribute	Description
store	ChainDataStore
accounts	Accounts
time	Time

LightChain

Extends:

Direct Subclass:

Static Method Summary

Constructor Summary

Method Summary

Inherited Summary

Static Public Methods

public static createVolatile(accounts: Accounts, time: Time): Promise<LightChain> source

Override:

Params:

Return:

public static getPersistent(jdb: JungleDB, accounts: Accounts, time: Time): Promise<LightChain> source

Override:

Params:

Return:

Public Constructors

public constructor(store: ChainDataStore, accounts: Accounts, time: Time): PartialLightChain source

Override:

Params:

Return:

Public Methods

public async partialChain(): PartialLightChain source

Return:

Protected Methods

protected async _init(): * source

Override:

Return: