An AbstractProvider provides a base class for other sub-classes to implement the Provider API by normalizing input arguments and formatting output results as well as tracking events for consistent behaviour on an eventually-consistent network.

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Extended by

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Type parameters

Type parameterValue
CFetchRequest

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Implements

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Constructors

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new AbstractProvider()

new AbstractProvider<C>(_network?, options?): AbstractProvider<C>
Create a new AbstractProvider connected to network, or use the various network detection capabilities to discover the Network if necessary.

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Parameters

ParameterTypeDescription
_network?NetworkishThe network to connect to, or "any" to
options?AbstractProviderOptionsThe options to configure the provider.

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Returns

AbstractProvider<C>

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Source

providers/abstract-provider.ts:826

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Accessors

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connect

get connect(): FetchRequest[]
Get the list of connected FetchRequests.

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Returns

FetchRequest[] The list of connected FetchRequests.

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Source

providers/abstract-provider.ts:1026

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destroyed

get destroyed(): boolean
If this provider has been destroyed using the destroy method. Once destroyed, all resources are reclaimed, internal event loops and timers are cleaned up and no further requests may be sent to the provider.

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Returns

boolean

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Source

providers/abstract-provider.ts:2545

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paused

get paused(): boolean
Whether the provider is currently paused. A paused provider will not emit any events, and generally should not make any requests to the network, but that is up to sub-classes to manage. Setting paused = true is identical to calling .pause(false), which will buffer any events that occur while paused until the provider is unpaused.

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Returns

boolean Whether the provider is paused.

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Source

providers/abstract-provider.ts:2577

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pollingInterval

get pollingInterval(): number
Get the polling interval.

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Returns

number The polling interval.

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Source

providers/abstract-provider.ts:1183

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provider

get provider(): this
Returns this, to allow an AbstractProvider to implement the Contract Runner interface.

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Returns

this The provider instance.

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Source

providers/abstract-provider.ts:1193

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Methods

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_clearTimeout()

_clearTimeout(timerId): void
Clear a timer created using the AbstractProvider._setTimeout | _setTimeout method.

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Parameters

ParameterTypeDescription
timerIdnumberThe ID of the timer to clear.

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Returns

void

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Source

providers/abstract-provider.ts:2221

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destroy()

destroy(): void
Sub-classes may use this to shutdown any sockets or release their resources and reject any pending requests. Sub-classes must call super.destroy().

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Returns

void

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Implementation of

Provider.destroy

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Source

providers/abstract-provider.ts:2554

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getActiveRegions()

getActiveRegions(): Promise<Shard[]>
Get the active region shards based on the protocol expansion number.

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Returns

Promise<Shard[]> A promise that resolves to the active shards.

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Source

providers/abstract-provider.ts:1110

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getActiveZones()

getActiveZones(): Promise<Zone[]>
Get the active zones for a shard based on the protocol expansion number.

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Returns

Promise<Zone[]> A promise that resolves to the active zones.

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Source

providers/abstract-provider.ts:1127

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getLatestQiToQuaiRate()

getLatestQiToQuaiRate(zone, amt?): Promise<bigint>
Get the latest Qi rate for a zone.

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Parameters

ParameterTypeDescription
zoneZoneThe zone to get the rate for.
amt?bigintThe amount to get the rate for. Default is 1

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Returns

Promise<bigint> A promise that resolves to the latest Qi rate.

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Implementation of

Provider.getLatestQiToQuaiRate

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Source

providers/abstract-provider.ts:1149

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getLatestQuaiToQiRate()

getLatestQuaiToQiRate(zone, amt?): Promise<bigint>
Get the latest Quai rate for a zone.

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Parameters

ParameterTypeDescription
zoneZoneThe zone to get the rate for.
amt?bigintThe amount in quais to get the rate for. Default is 1

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Returns

Promise<bigint> A promise that resolves to the latest Quai -> Qi rate for the given amount.

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Implementation of

Provider.getLatestQuaiToQiRate

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Source

providers/abstract-provider.ts:1068

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getProtocolExpansionNumber()

getProtocolExpansionNumber(): Promise<number>
Get the protocol expansion number.

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Returns

Promise<number> A promise that resolves to the protocol expansion number.

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Implementation of

Provider.getProtocolExpansionNumber

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Source

providers/abstract-provider.ts:1101

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getQiToQuaiRateAtBlock()

getQiToQuaiRateAtBlock(
   zone, 
   blockTag, 
amt?): Promise<bigint>
Get the Qi rate at a specific block.

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Parameters

ParameterTypeDescription
zoneZoneThe zone to get the rate for.
blockTagBlockTagThe block tag to get the rate at.
amt?bigintThe amount to get the rate for. Default is 1

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Returns

Promise<bigint> A promise that resolves to the Qi rate at the specified block.

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Implementation of

Provider.getQiToQuaiRateAtBlock

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Source

providers/abstract-provider.ts:1162

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getQuaiToQiRateAtBlock()

getQuaiToQiRateAtBlock(
   zone, 
   blockTag, 
amt?): Promise<bigint>
Get the Quai rate at a specific block.

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Parameters

ParameterTypeDescription
zoneZoneThe zone to get the rate for.
blockTagBlockTagThe block tag to get the rate at.
amt?bigintThe amount to get the rate for. Default is 1

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Returns

Promise<bigint> A promise that resolves to the Quai rate at the specified block.

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Implementation of

Provider.getQuaiToQiRateAtBlock

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Source

providers/abstract-provider.ts:1081

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initialize()

initialize<U>(urls): Promise<void>
Initialize the URL map with the provided URLs.

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Type parameters

Type parameterValue
Ustring[] | FetchRequest

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Parameters

ParameterTypeDescription
urlsUThe URLs to initialize the map with.

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Returns

Promise<void> A promise that resolves when the map is initialized.

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Source

providers/abstract-provider.ts:874

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pause()

pause(dropWhilePaused?): void
Pause the provider. If dropWhilePaused, any events that occur while paused are dropped, otherwise all events will be emitted once the provider is unpaused.

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Parameters

ParameterTypeDescription
dropWhilePaused?booleanWhether to drop events while paused.

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Returns

void

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Source

providers/abstract-provider.ts:2598

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resume()

resume(): void
Resume the provider.

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Returns

void

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Source

providers/abstract-provider.ts:2627

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shardFromHash()

shardFromHash(hash): Shard
Get the shard from a hash.

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Parameters

ParameterTypeDescription
hashstringThe hash to get the shard from.

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Returns

Shard The shard.

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Source

providers/abstract-provider.ts:1047

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zoneFromAddress()

zoneFromAddress(_address): Promise<Zone>
Get the zone from an address.

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Parameters

ParameterTypeDescription
_addressAddressLikeThe address to get the zone from.

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Returns

Promise<Zone> A promise that resolves to the zone.

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Source

providers/abstract-provider.ts:1036

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zoneFromHash()

zoneFromHash(hash): Zone
Get the zone from a hash.

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Parameters

ParameterTypeDescription
hashstringThe hash to get the zone from.

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Returns

Zone The zone.

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Source

providers/abstract-provider.ts:1057