ethereumjs-monorepo

@ethereumjs/client

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@ethereumjs/client / ConfigOptions

Interface: ConfigOptions

Defined in: config.ts:32

Properties

accountCache?

optional accountCache: number

Defined in: config.ts:195

Size for the account cache (max number of accounts)

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accounts?

optional accounts: [Address, Uint8Array<ArrayBufferLike>][]

Defined in: config.ts:265

Unlocked accounts of form [address, privateKey] Currently only the first account is used to seal mined PoA blocks

Default: []

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blobsAndProofsCacheBlocks?

optional blobsAndProofsCacheBlocks: number

Defined in: config.ts:334

The cache for blobs and proofs to support CL import blocks

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bootnodes?

optional bootnodes: Multiaddr[]

Defined in: config.ts:92

Network bootnodes (e.g. abc@18.138.108.67 or /ip4/127.0.0.1/tcp/50505/p2p/QmABC)

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codeCache?

optional codeCache: number

Defined in: config.ts:205

Size for the code cache (max number of contracts)

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common?

optional common: Common

Defined in: config.ts:39

Specify the chain by providing a Common instance, the common instance will not be modified by client

Default: ‘mainnet’ Common

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datadir?

optional datadir: string

Defined in: config.ts:79

Root data directory for the blockchain

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debugCode?

optional debugCode: boolean

Defined in: config.ts:219

Generate code for local debugging, currently providing a code snippet which can be used to run blocks on the EthereumJS VM on execution errors

(meant to be used internally for the most part)

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discDns?

optional discDns: boolean

Defined in: config.ts:226

Query EIP-1459 DNS TXT records for peer discovery

Default: true for testnets, false for mainnet

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discV4?

optional discV4: boolean

Defined in: config.ts:233

Use v4 (“findneighbour” node requests) for peer discovery

Default: false for testnets, true for mainnet

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dnsAddr?

optional dnsAddr: string

Defined in: config.ts:175

DNS server to query DNS TXT records from for peer discovery

Default 8.8.8.8 (Google)

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dnsNetworks?

optional dnsNetworks: string[]

Defined in: config.ts:180

EIP-1459 ENR Tree urls to query via DNS for peer discovery

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enableSnapSync?

optional enableSnapSync: boolean

Defined in: config.ts:53

Whether to enable and run snapSync, currently experimental

Default: false

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engineNewpayloadMaxExecute?

optional engineNewpayloadMaxExecute: number

Defined in: config.ts:309

Max blocks including unexecuted parents to be executed in engine’s newPayload

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engineNewpayloadMaxTxsExecute?

optional engineNewpayloadMaxTxsExecute: number

Defined in: config.ts:314

Limit max transactions per block to execute in engine’s newPayload for responsive engine api

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engineParentLookupMaxDepth?

optional engineParentLookupMaxDepth: number

Defined in: config.ts:304

Max depth for parent lookups in engine’s newPayload and forkchoiceUpdated

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execution?

optional execution: boolean

Defined in: config.ts:185

Start continuous VM execution (pre-Merge setting)

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extIP?

optional extIP: string

Defined in: config.ts:104

RLPx external IP

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isSingleNode?

optional isSingleNode: boolean

Defined in: config.ts:247

Is a single node and doesn’t need peers for synchronization

Default: false

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key?

optional key: Uint8Array<ArrayBufferLike>

Defined in: config.ts:86

Private key for the client. Use return value of Config.getClientKey. If left blank, a random key will be generated and used.

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logger?

optional logger: Logger

Defined in: config.ts:135

A custom winston logger can be provided if setting logging verbosity is not sufficient

Default: Logger with loglevel ‘info’

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maxAccountRange?

optional maxAccountRange: bigint

Defined in: config.ts:295

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maxFetcherJobs?

optional maxFetcherJobs: number

Defined in: config.ts:149

Max jobs to be enqueued in the fetcher at any given time

Default: 100

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maxFetcherRequests?

optional maxFetcherRequests: number

Defined in: config.ts:154

Max outgoing multi-peer requests by the fetcher at any given time

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maxInvalidBlocksErrorCache?

optional maxInvalidBlocksErrorCache: number

Defined in: config.ts:321

Cache size of invalid block hashes and their errors

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maxPeers?

optional maxPeers: number

Defined in: config.ts:168

Maximum peers allowed

Default: 25

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maxPerRequest?

optional maxPerRequest: number

Defined in: config.ts:142

Max items per block or header request

Default: 100

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maxRangeBytes?

optional maxRangeBytes: number

Defined in: config.ts:293

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maxStorageRange?

optional maxStorageRange: bigint

Defined in: config.ts:316

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mine?

optional mine: boolean

Defined in: config.ts:240

Enable mining

Default: false

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minerCoinbase?

optional minerCoinbase: Address

Defined in: config.ts:271

Address for mining rewards (etherbase) If not provided, defaults to the primary account.

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minPeers?

optional minPeers: number

Defined in: config.ts:161

Number of peers needed before syncing

Default: 1

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multiaddrs?

optional multiaddrs: Multiaddr[]

Defined in: config.ts:110

Network multiaddrs for libp2p (e.g. /ip4/127.0.0.1/tcp/50505/p2p/QmABC)

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numBlocksPerIteration?

optional numBlocksPerIteration: number

Defined in: config.ts:190

Number of blocks to execute in batch mode and logged to console

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port?

optional port: number

Defined in: config.ts:99

RLPx listening port

Default: 30303

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prefixStorageTrieKeys?

optional prefixStorageTrieKeys: boolean

Defined in: config.ts:61

A temporary option to offer backward compatibility with already-synced databases that are using non-prefixed keys for storage tries

Default: true

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prometheusMetrics?

optional prometheusMetrics: PrometheusMetrics

Defined in: config.ts:339

Enables Prometheus Metrics that can be collected for monitoring client health

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pruneEngineCache?

optional pruneEngineCache: boolean

Defined in: config.ts:322

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safeReorgDistance?

optional safeReorgDistance: number

Defined in: config.ts:277

If there is a reorg, this is a safe distance from which to try to refetch and re-feed the blocks.

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savePreimages?

optional savePreimages: boolean

Defined in: config.ts:329

Save account keys preimages in the meta db (default: false)

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saveReceipts?

optional saveReceipts: boolean

Defined in: config.ts:121

Save tx receipts and logs in the meta db (default: false)

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server?

optional server: RlpxServer

Defined in: config.ts:116

Transport servers (RLPx) Only used for testing purposes

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skeletonFillCanonicalBackStep?

optional skeletonFillCanonicalBackStep: number

Defined in: config.ts:284

If there is a skeleton fillCanonicalChain block lookup errors because of closing chain conditions, this allows skeleton to backstep and fill again using reverse block fetcher.

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skeletonSubchainMergeMinimum?

optional skeletonSubchainMergeMinimum: number

Defined in: config.ts:291

If skeleton subchains can be merged, what is the minimum tail gain, as subchain merge will lead to the ReverseBlockFetcher reset

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snapAvailabilityDepth?

optional snapAvailabilityDepth: bigint

Defined in: config.ts:323

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snapTransitionSafeDepth?

optional snapTransitionSafeDepth: bigint

Defined in: config.ts:324

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storageCache?

optional storageCache: number

Defined in: config.ts:200

Size for the storage cache (max number of contracts)

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syncedStateRemovalPeriod?

optional syncedStateRemovalPeriod: number

Defined in: config.ts:299

The time after which synced state is downgraded to unsynced

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syncmode?

optional syncmode: SyncMode

Defined in: config.ts:46

Synchronization mode (‘full’, ‘none’)

Default: ‘full’

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trieCache?

optional trieCache: number

Defined in: config.ts:210

Size for the trie cache (max number of trie nodes)

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txLookupLimit?

optional txLookupLimit: number

Defined in: config.ts:127

Number of recent blocks to maintain transactions index for (default = 2350000 = about one year, 0 = entire chain)

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useStringValueTrieDB?

optional useStringValueTrieDB: boolean

Defined in: config.ts:67

A temporary option to offer backward compatibility with already-synced databases that stores trie items as string, instead of the more performant Uint8Array

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vm?

optional vm: VM

Defined in: config.ts:74

Provide a custom VM instance to process blocks

Default: VM instance created by client

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vmProfileBlocks?

optional vmProfileBlocks: boolean

Defined in: config.ts:252

Whether to profile VM blocks

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vmProfileTxs?

optional vmProfileTxs: boolean

Defined in: config.ts:257

Whether to profile VM txs