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api/docs/api-observable/classes/_index_.api.md
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# Hierarchy
↳ [ApiCombined](_combined_.apicombined.md)
**↳ Api**
# Constructors
<a id="constructor"></a>
## constructor
⊕ **new Api**(api: *`RpcRxInterface`*): [Api](_index_.api.md)
*Inherited from [ApiBase](_base_.apibase.md).[constructor](_base_.apibase.md#constructor)*
*Defined in [Base.ts:33](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Base.ts#L33)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| api | `RpcRxInterface` |
**Returns:** [Api](_index_.api.md)
___
# Properties
<a id="whenready"></a>
## whenReady
**● whenReady**: *`Observable`<`boolean`>*
*Inherited from [ApiBase](_base_.apibase.md).[whenReady](_base_.apibase.md#whenready)*
*Defined in [Base.ts:33](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Base.ts#L33)*
___
<a id="extrinsics"></a>
## `<Static>` extrinsics
**● extrinsics**: *`Extrinsics`* = extrinsicsStatic
*Inherited from [ApiBase](_base_.apibase.md).[extrinsics](_base_.apibase.md#extrinsics)*
*Defined in [Base.ts:41](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Base.ts#L41)*
___
<a id="storage"></a>
## `<Static>` storage
**● storage**: *`Storage`* = storageStatic
*Inherited from [ApiBase](_base_.apibase.md).[storage](_base_.apibase.md#storage)*
*Defined in [Base.ts:42](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Base.ts#L42)*
___
# Accessors
<a id="genesishash"></a>
## genesisHash
getgenesisHash(): `Hash`
*Inherited from [ApiBase](_base_.apibase.md).[genesisHash](_base_.apibase.md#genesishash)*
*Defined in [Base.ts:87](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Base.ts#L87)*
**Returns:** `Hash`
___
# Methods
<a id="accountidandindex"></a>
## accountIdAndIndex
▸ **accountIdAndIndex**(address?: * `AccountId` &#124; `AccountIndex` &#124; `string` &#124; `null`*): `Observable`<[`AccountId` &#124; `undefined`, `AccountIndex` &#124; `undefined`]>
*Inherited from [ApiCombined](_combined_.apicombined.md).[accountIdAndIndex](_combined_.apicombined.md#accountidandindex)*
*Defined in [Combined.ts:79](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L79)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| `Optional` address | `AccountId` &#124; `AccountIndex` &#124; `string` &#124; `null`|
**Returns:** `Observable`<[`AccountId` &#124; `undefined`, `AccountIndex` &#124; `undefined`]>
___
<a id="accountidfromindex"></a>
## accountIdFromIndex
▸ **accountIdFromIndex**(_accountIndex: * `AccountIndex` &#124; `string`*): `Observable`< `AccountId` &#124; `undefined`>
*Inherited from [ApiCombined](_combined_.apicombined.md).[accountIdFromIndex](_combined_.apicombined.md#accountidfromindex)*
*Defined in [Combined.ts:53](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L53)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| _accountIndex | `AccountIndex` &#124; `string`|
**Returns:** `Observable`< `AccountId` &#124; `undefined`>
___
<a id="accountindexfromid"></a>
## accountIndexFromId
▸ **accountIndexFromId**(accountId: * `AccountId` &#124; `string`*): `Observable`< `AccountIndex` &#124; `undefined`>
*Inherited from [ApiCombined](_combined_.apicombined.md).[accountIndexFromId](_combined_.apicombined.md#accountindexfromid)*
*Defined in [Combined.ts:68](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L68)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| accountId | `AccountId` &#124; `string`|
**Returns:** `Observable`< `AccountIndex` &#124; `undefined`>
___
<a id="accountindexes"></a>
## accountIndexes
▸ **accountIndexes**(): `Observable`<`object`>
*Inherited from [ApiCombined](_combined_.apicombined.md).[accountIndexes](_combined_.apicombined.md#accountindexes)*
*Defined in [Combined.ts:23](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L23)*
**Returns:** `Observable`<`object`>
___
<a id="accountnonce"></a>
## accountNonce
▸ **accountNonce**(address: * `AccountId` &#124; `string`*): `Observable`< `Index` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[accountNonce](_queries_.apiqueries.md#accountnonce)*
*Defined in [Queries.ts:19](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L19)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| address | `AccountId` &#124; `string`|
**Returns:** `Observable`< `Index` &#124; `undefined`>
___
<a id="balancefree"></a>
## balanceFree
▸ **balanceFree**(address: * `AccountId` &#124; `string`*): `Observable`< `Balance` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[balanceFree](_queries_.apiqueries.md#balancefree)*
*Defined in [Queries.ts:23](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L23)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| address | `AccountId` &#124; `string`|
**Returns:** `Observable`< `Balance` &#124; `undefined`>
___
<a id="balancereserved"></a>
## balanceReserved
▸ **balanceReserved**(address: * `AccountId` &#124; `string`*): `Observable`< `Balance` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[balanceReserved](_queries_.apiqueries.md#balancereserved)*
*Defined in [Queries.ts:27](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L27)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| address | `AccountId` &#124; `string`|
**Returns:** `Observable`< `Balance` &#124; `undefined`>
___
<a id="bestnumber"></a>
## bestNumber
▸ **bestNumber**(): `Observable`< `BlockNumber` &#124; `undefined`>
*Inherited from [ApiCalls](_calls_.apicalls.md).[bestNumber](_calls_.apicalls.md#bestnumber)*
*Defined in [Calls.ts:13](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Calls.ts#L13)*
**Returns:** `Observable`< `BlockNumber` &#124; `undefined`>
___
<a id="blocknow"></a>
## blockNow
▸ **blockNow**(): `Observable`< `Moment` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[blockNow](_queries_.apiqueries.md#blocknow)*
*Defined in [Queries.ts:35](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L35)*
**Returns:** `Observable`< `Moment` &#124; `undefined`>
___
<a id="blockperiod"></a>
## blockPeriod
▸ **blockPeriod**(): `Observable`< `Moment` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[blockPeriod](_queries_.apiqueries.md#blockperiod)*
*Defined in [Queries.ts:31](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L31)*
**Returns:** `Observable`< `Moment` &#124; `undefined`>
___
<a id="chain"></a>
## chain
▸ **chain**(): `Observable`< `Text` &#124; `undefined`>
*Inherited from [ApiCalls](_calls_.apicalls.md).[chain](_calls_.apicalls.md#chain)*
*Defined in [Calls.ts:25](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Calls.ts#L25)*
**Returns:** `Observable`< `Text` &#124; `undefined`>
___
<a id="democracylaunchperiod"></a>
## democracyLaunchPeriod
▸ **democracyLaunchPeriod**(): `Observable`< `BlockNumber` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[democracyLaunchPeriod](_queries_.apiqueries.md#democracylaunchperiod)*
*Defined in [Queries.ts:39](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L39)*
**Returns:** `Observable`< `BlockNumber` &#124; `undefined`>
___
<a id="democracynexttally"></a>
## democracyNextTally
▸ **democracyNextTally**(): `Observable`< `ReferendumIndex` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[democracyNextTally](_queries_.apiqueries.md#democracynexttally)*
*Defined in [Queries.ts:43](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L43)*
**Returns:** `Observable`< `ReferendumIndex` &#124; `undefined`>
___
<a id="democracyreferendumvoters"></a>
## democracyReferendumVoters
▸ **democracyReferendumVoters**(referendumId: * `ReferendumIndex` &#124; `BN` &#124; `number`*): `Observable`<`Array`<[RxReferendumVote](../modules/_types_.md#rxreferendumvote)>>
*Inherited from [ApiCombined](_combined_.apicombined.md).[democracyReferendumVoters](_combined_.apicombined.md#democracyreferendumvoters)*
*Defined in [Combined.ts:137](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L137)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| referendumId | `ReferendumIndex` &#124; `BN` &#124; `number`|
**Returns:** `Observable`<`Array`<[RxReferendumVote](../modules/_types_.md#rxreferendumvote)>>
___
<a id="democracyvotersbalancesof"></a>
## democracyVotersBalancesOf
▸ **democracyVotersBalancesOf**(referendumId: * `ReferendumIndex` &#124; `BN` &#124; `number`*): `Observable`<`Array`<`Balance`>>
*Inherited from [ApiCombined](_combined_.apicombined.md).[democracyVotersBalancesOf](_combined_.apicombined.md#democracyvotersbalancesof)*
*Defined in [Combined.ts:182](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L182)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| referendumId | `ReferendumIndex` &#124; `BN` &#124; `number`|
**Returns:** `Observable`<`Array`<`Balance`>>
___
<a id="democracyvotersvotesof"></a>
## democracyVotersVotesOf
▸ **democracyVotersVotesOf**(referendumId: * `ReferendumIndex` &#124; `BN` &#124; `number`*): `Observable`<`Array`<`Bool`>>
*Inherited from [ApiCombined](_combined_.apicombined.md).[democracyVotersVotesOf](_combined_.apicombined.md#democracyvotersvotesof)*
*Defined in [Combined.ts:198](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L198)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| referendumId | `ReferendumIndex` &#124; `BN` &#124; `number`|
**Returns:** `Observable`<`Array`<`Bool`>>
___
<a id="democracyvotingperiod"></a>
## democracyVotingPeriod
▸ **democracyVotingPeriod**(): `Observable`< `BlockNumber` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[democracyVotingPeriod](_queries_.apiqueries.md#democracyvotingperiod)*
*Defined in [Queries.ts:126](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L126)*
**Returns:** `Observable`< `BlockNumber` &#124; `undefined`>
___
<a id="erablocklength"></a>
## eraBlockLength
▸ **eraBlockLength**(): `Observable`< `BlockNumber` &#124; `undefined`>
*Inherited from [ApiCombined](_combined_.apicombined.md).[eraBlockLength](_combined_.apicombined.md#erablocklength)*
*Defined in [Combined.ts:209](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L209)*
**Returns:** `Observable`< `BlockNumber` &#124; `undefined`>
___
<a id="erablockprogress"></a>
## eraBlockProgress
▸ **eraBlockProgress**(): `Observable`< `BlockNumber` &#124; `undefined`>
*Inherited from [ApiCombined](_combined_.apicombined.md).[eraBlockProgress](_combined_.apicombined.md#erablockprogress)*
*Defined in [Combined.ts:224](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L224)*
**Returns:** `Observable`< `BlockNumber` &#124; `undefined`>
___
<a id="erablockremaining"></a>
## eraBlockRemaining
▸ **eraBlockRemaining**(): `Observable`< `BlockNumber` &#124; `undefined`>
*Inherited from [ApiCombined](_combined_.apicombined.md).[eraBlockRemaining](_combined_.apicombined.md#erablockremaining)*
*Defined in [Combined.ts:247](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L247)*
**Returns:** `Observable`< `BlockNumber` &#124; `undefined`>
___
<a id="eralastlengthchange"></a>
## eraLastLengthChange
▸ **eraLastLengthChange**(): `Observable`< `BlockNumber` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[eraLastLengthChange](_queries_.apiqueries.md#eralastlengthchange)*
*Defined in [Queries.ts:151](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L151)*
**Returns:** `Observable`< `BlockNumber` &#124; `undefined`>
___
<a id="fees"></a>
## fees
▸ **fees**(): `Observable`<[RxFees](../modules/_types_.md#rxfees)>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[fees](_queries_.apiqueries.md#fees)*
*Defined in [Queries.ts:130](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L130)*
**Returns:** `Observable`<[RxFees](../modules/_types_.md#rxfees)>
___
<a id="getaccountenumset"></a>
## getAccountEnumSet
▸ **getAccountEnumSet**(index: * `AccountIndex` &#124; `BN` &#124; `number`*): `Observable`< `Array`<`AccountId`> &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[getAccountEnumSet](_queries_.apiqueries.md#getaccountenumset)*
*Defined in [Queries.ts:47](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L47)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| index | `AccountIndex` &#124; `BN` &#124; `number`|
**Returns:** `Observable`< `Array`<`AccountId`> &#124; `undefined`>
___
<a id="getblock"></a>
## getBlock
▸ **getBlock**(hash: *`Uint8Array`*): `Observable`< `SignedBlock` &#124; `undefined`>
*Inherited from [ApiCalls](_calls_.apicalls.md).[getBlock](_calls_.apicalls.md#getblock)*
*Defined in [Calls.ts:29](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Calls.ts#L29)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| hash | `Uint8Array` |
**Returns:** `Observable`< `SignedBlock` &#124; `undefined`>
___
<a id="isconnected"></a>
## isConnected
▸ **isConnected**(): `Observable`<`boolean`>
*Inherited from [ApiBase](_base_.apibase.md).[isConnected](_base_.apibase.md#isconnected)*
*Defined in [Base.ts:91](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Base.ts#L91)*
**Returns:** `Observable`<`boolean`>
___
<a id="nextaccountenumset"></a>
## nextAccountEnumSet
▸ **nextAccountEnumSet**(): `Observable`< `AccountIndex` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[nextAccountEnumSet](_queries_.apiqueries.md#nextaccountenumset)*
*Defined in [Queries.ts:58](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L58)*
**Returns:** `Observable`< `AccountIndex` &#124; `undefined`>
___
<a id="proposaldeposits"></a>
## proposalDeposits
▸ **proposalDeposits**(proposalId: * `PropIndex` &#124; `BN` &#124; `number`*): `Observable`< [RxProposalDeposits](_classes_.rxproposaldeposits.md) &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[proposalDeposits](_queries_.apiqueries.md#proposaldeposits)*
*Defined in [Queries.ts:62](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L62)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| proposalId | `PropIndex` &#124; `BN` &#124; `number`|
**Returns:** `Observable`< [RxProposalDeposits](_classes_.rxproposaldeposits.md) &#124; `undefined`>
___
<a id="publicproposalcount"></a>
## publicProposalCount
▸ **publicProposalCount**(): `Observable`<`number`>
*Inherited from [ApiCombined](_combined_.apicombined.md).[publicProposalCount](_combined_.apicombined.md#publicproposalcount)*
*Defined in [Combined.ts:115](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L115)*
**Returns:** `Observable`<`number`>
___
<a id="publicproposals"></a>
## publicProposals
▸ **publicProposals**(): `Observable`<`Array`<[RxProposal](_classes_.rxproposal.md)>>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[publicProposals](_queries_.apiqueries.md#publicproposals)*
*Defined in [Queries.ts:75](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L75)*
**Returns:** `Observable`<`Array`<[RxProposal](_classes_.rxproposal.md)>>
___
<a id="rawcall"></a>
## rawCall
▸ **rawCall**<`T`>(__namedParameters: *`object`*, ...params: *`Array`<`any`>*): `Observable`<`T`>
*Inherited from [ApiBase](_base_.apibase.md).[rawCall](_base_.apibase.md#rawcall)*
*Defined in [Base.ts:95](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Base.ts#L95)*
**Type parameters:**
#### T
**Parameters:**
| Name | Type |
| ------ | ------ |
| __namedParameters | `object` |
| `Rest` params | `Array`<`any`> |
**Returns:** `Observable`<`T`>
___
<a id="rawstorage"></a>
## rawStorage
▸ **rawStorage**<`T`>(key: * `Uint8Array` &#124; `StorageFunction`*, ...params: *`Array`<`any`>*): `Observable`< `T` &#124; `undefined`>
*Inherited from [ApiBase](_base_.apibase.md).[rawStorage](_base_.apibase.md#rawstorage)*
*Defined in [Base.ts:108](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Base.ts#L108)*
**Type parameters:**
#### T
**Parameters:**
| Name | Type |
| ------ | ------ |
| key | `Uint8Array` &#124; `StorageFunction`|
| `Rest` params | `Array`<`any`> |
**Returns:** `Observable`< `T` &#124; `undefined`>
___
<a id="rawstoragemulti"></a>
## rawStorageMulti
▸ **rawStorageMulti**<`T`>(...keys: *`Array`< `Uint8Array` &#124; [`StorageFunction`] &#124; [`StorageFunction`, `any`]>*): `Observable`<`T`>
*Inherited from [ApiBase](_base_.apibase.md).[rawStorageMulti](_base_.apibase.md#rawstoragemulti)*
*Defined in [Base.ts:123](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Base.ts#L123)*
**Type parameters:**
#### T : `[]`
**Parameters:**
| Name | Type |
| ------ | ------ |
| `Rest` keys | `Array`< `Uint8Array` &#124; [`StorageFunction`] &#124; [`StorageFunction`, `any`]> |
**Returns:** `Observable`<`T`>
___
<a id="referendumcount"></a>
## referendumCount
▸ **referendumCount**(): `Observable`< `ReferendumIndex` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[referendumCount](_queries_.apiqueries.md#referendumcount)*
*Defined in [Queries.ts:94](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L94)*
**Returns:** `Observable`< `ReferendumIndex` &#124; `undefined`>
___
<a id="referenduminfo"></a>
## referendumInfo
▸ **referendumInfo**(referendumId: * `ReferendumIndex` &#124; `BN` &#124; `number`*): `Observable`< [RxReferendum](_classes_.rxreferendum.md) &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[referendumInfo](_queries_.apiqueries.md#referenduminfo)*
*Defined in [Queries.ts:98](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L98)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| referendumId | `ReferendumIndex` &#124; `BN` &#124; `number`|
**Returns:** `Observable`< [RxReferendum](_classes_.rxreferendum.md) &#124; `undefined`>
___
<a id="referendumvote"></a>
## referendumVote
▸ **referendumVote**(index: * `ReferendumIndex` &#124; `BN` &#124; `number`*, address: * `AccountId` &#124; `string`*): `Observable`< `Bool` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[referendumVote](_queries_.apiqueries.md#referendumvote)*
*Defined in [Queries.ts:111](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L111)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| index | `ReferendumIndex` &#124; `BN` &#124; `number`|
| address | `AccountId` &#124; `string`|
**Returns:** `Observable`< `Bool` &#124; `undefined`>
___
<a id="referendumvoters"></a>
## referendumVoters
▸ **referendumVoters**(index: * `ReferendumIndex` &#124; `BN` &#124; `number`*): `Observable`<`Array`<`AccountId`>>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[referendumVoters](_queries_.apiqueries.md#referendumvoters)*
*Defined in [Queries.ts:115](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L115)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| index | `ReferendumIndex` &#124; `BN` &#124; `number`|
**Returns:** `Observable`<`Array`<`AccountId`>>
___
<a id="referendumvotes"></a>
## referendumVotes
▸ **referendumVotes**(index: * `ReferendumIndex` &#124; `BN` &#124; `number`*, addresses: *`Array`< `AccountId` &#124; `string`>*): `Observable`<`boolean`>
*Inherited from [ApiCombined](_combined_.apicombined.md).[referendumVotes](_combined_.apicombined.md#referendumvotes)*
*Defined in [Combined.ts:174](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L174)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| index | `ReferendumIndex` &#124; `BN` &#124; `number`|
| addresses | `Array`< `AccountId` &#124; `string`> |
**Returns:** `Observable`<`boolean`>
___
<a id="referendums"></a>
## referendums
▸ **referendums**(): `Observable`<`Array`<[RxReferendum](_classes_.rxreferendum.md)>>
*Inherited from [ApiCombined](_combined_.apicombined.md).[referendums](_combined_.apicombined.md#referendums)*
*Defined in [Combined.ts:153](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L153)*
**Returns:** `Observable`<`Array`<[RxReferendum](_classes_.rxreferendum.md)>>
___
<a id="referendumsinfo"></a>
## referendumsInfo
▸ **referendumsInfo**(referendumIds: *`Array`< `ReferendumIndex` &#124; `BN` &#124; `number`>*): `Observable`<`Array`<[RxReferendum](_classes_.rxreferendum.md)>>
*Inherited from [ApiCombined](_combined_.apicombined.md).[referendumsInfo](_combined_.apicombined.md#referendumsinfo)*
*Defined in [Combined.ts:125](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L125)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| referendumIds | `Array`< `ReferendumIndex` &#124; `BN` &#124; `number`> |
**Returns:** `Observable`<`Array`<[RxReferendum](_classes_.rxreferendum.md)>>
___
<a id="sessionblockprogress"></a>
## sessionBlockProgress
▸ **sessionBlockProgress**(): `Observable`< `BlockNumber` &#124; `undefined`>
*Inherited from [ApiCombined](_combined_.apicombined.md).[sessionBlockProgress](_combined_.apicombined.md#sessionblockprogress)*
*Defined in [Combined.ts:262](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L262)*
**Returns:** `Observable`< `BlockNumber` &#124; `undefined`>
___
<a id="sessionblockremaining"></a>
## sessionBlockRemaining
▸ **sessionBlockRemaining**(): `Observable`< `BlockNumber` &#124; `undefined`>
*Inherited from [ApiCombined](_combined_.apicombined.md).[sessionBlockRemaining](_combined_.apicombined.md#sessionblockremaining)*
*Defined in [Combined.ts:282](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L282)*
**Returns:** `Observable`< `BlockNumber` &#124; `undefined`>
___
<a id="sessionbrokenvalue"></a>
## sessionBrokenValue
▸ **sessionBrokenValue**(): `Observable`< `Moment` &#124; `undefined`>
*Inherited from [ApiCombined](_combined_.apicombined.md).[sessionBrokenValue](_combined_.apicombined.md#sessionbrokenvalue)*
*Defined in [Combined.ts:297](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L297)*
**Returns:** `Observable`< `Moment` &#124; `undefined`>
___
<a id="sessioncurrentindex"></a>
## sessionCurrentIndex
▸ **sessionCurrentIndex**(): `Observable`< `BlockNumber` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[sessionCurrentIndex](_queries_.apiqueries.md#sessioncurrentindex)*
*Defined in [Queries.ts:163](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L163)*
**Returns:** `Observable`< `BlockNumber` &#124; `undefined`>
___
<a id="sessioncurrentstart"></a>
## sessionCurrentStart
▸ **sessionCurrentStart**(): `Observable`< `Moment` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[sessionCurrentStart](_queries_.apiqueries.md#sessioncurrentstart)*
*Defined in [Queries.ts:167](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L167)*
**Returns:** `Observable`< `Moment` &#124; `undefined`>
___
<a id="sessionlastlengthchange"></a>
## sessionLastLengthChange
▸ **sessionLastLengthChange**(): `Observable`< `BlockNumber` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[sessionLastLengthChange](_queries_.apiqueries.md#sessionlastlengthchange)*
*Defined in [Queries.ts:171](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L171)*
**Returns:** `Observable`< `BlockNumber` &#124; `undefined`>
___
<a id="sessionlength"></a>
## sessionLength
▸ **sessionLength**(): `Observable`< `BlockNumber` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[sessionLength](_queries_.apiqueries.md#sessionlength)*
*Defined in [Queries.ts:175](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L175)*
**Returns:** `Observable`< `BlockNumber` &#124; `undefined`>
___
<a id="sessionreward"></a>
## sessionReward
▸ **sessionReward**(): `Observable`< `Perbill` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[sessionReward](_queries_.apiqueries.md#sessionreward)*
*Defined in [Queries.ts:155](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L155)*
**Returns:** `Observable`< `Perbill` &#124; `undefined`>
___
<a id="sessionrewardcurrent"></a>
## sessionRewardCurrent
▸ **sessionRewardCurrent**(): `Observable`< `Balance` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[sessionRewardCurrent](_queries_.apiqueries.md#sessionrewardcurrent)*
*Defined in [Queries.ts:159](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L159)*
**Returns:** `Observable`< `Balance` &#124; `undefined`>
___
<a id="sessiontimeexpected"></a>
## sessionTimeExpected
▸ **sessionTimeExpected**(): `Observable`< `Moment` &#124; `undefined`>
*Inherited from [ApiCombined](_combined_.apicombined.md).[sessionTimeExpected](_combined_.apicombined.md#sessiontimeexpected)*
*Defined in [Combined.ts:316](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L316)*
**Returns:** `Observable`< `Moment` &#124; `undefined`>
___
<a id="sessiontimeremaining"></a>
## sessionTimeRemaining
▸ **sessionTimeRemaining**(): `Observable`< `Moment` &#124; `undefined`>
*Inherited from [ApiCombined](_combined_.apicombined.md).[sessionTimeRemaining](_combined_.apicombined.md#sessiontimeremaining)*
*Defined in [Combined.ts:331](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L331)*
**Returns:** `Observable`< `Moment` &#124; `undefined`>
___
<a id="sessionvalidators"></a>
## sessionValidators
▸ **sessionValidators**(): `Observable`<`Array`<`AccountId`>>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[sessionValidators](_queries_.apiqueries.md#sessionvalidators)*
*Defined in [Queries.ts:183](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L183)*
**Returns:** `Observable`<`Array`<`AccountId`>>
___
<a id="sessionsperera"></a>
## sessionsPerEra
▸ **sessionsPerEra**(): `Observable`< `BlockNumber` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[sessionsPerEra](_queries_.apiqueries.md#sessionsperera)*
*Defined in [Queries.ts:179](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L179)*
**Returns:** `Observable`< `BlockNumber` &#124; `undefined`>
___
<a id="stakingintentions"></a>
## stakingIntentions
▸ **stakingIntentions**(): `Observable`<`Array`<`AccountId`>>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[stakingIntentions](_queries_.apiqueries.md#stakingintentions)*
*Defined in [Queries.ts:194](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L194)*
**Returns:** `Observable`<`Array`<`AccountId`>>
___
<a id="stakingnominating"></a>
## stakingNominating
▸ **stakingNominating**(address: * `AccountId` &#124; `string`*): `Observable`< `AccountId` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[stakingNominating](_queries_.apiqueries.md#stakingnominating)*
*Defined in [Queries.ts:216](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L216)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| address | `AccountId` &#124; `string`|
**Returns:** `Observable`< `AccountId` &#124; `undefined`>
___
<a id="stakingnominatorsfor"></a>
## stakingNominatorsFor
▸ **stakingNominatorsFor**(address: * `AccountId` &#124; `string`*): `Observable`<`Array`<`AccountId`>>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[stakingNominatorsFor](_queries_.apiqueries.md#stakingnominatorsfor)*
*Defined in [Queries.ts:205](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L205)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| address | `AccountId` &#124; `string`|
**Returns:** `Observable`<`Array`<`AccountId`>>
___
<a id="submitandwatchextrinsic"></a>
## submitAndWatchExtrinsic
▸ **submitAndWatchExtrinsic**(extrinsic: *`Extrinsic`*): `Observable`< `ExtrinsicStatus` &#124; `undefined`>
*Inherited from [ApiCalls](_calls_.apicalls.md).[submitAndWatchExtrinsic](_calls_.apicalls.md#submitandwatchextrinsic)*
*Defined in [Calls.ts:51](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Calls.ts#L51)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| extrinsic | `Extrinsic` |
**Returns:** `Observable`< `ExtrinsicStatus` &#124; `undefined`>
___
<a id="submitextrinsic"></a>
## submitExtrinsic
▸ **submitExtrinsic**(extrinsic: *`Extrinsic`*): `Observable`< `Hash` &#124; `undefined`>
*Inherited from [ApiCalls](_calls_.apicalls.md).[submitExtrinsic](_calls_.apicalls.md#submitextrinsic)*
*Defined in [Calls.ts:47](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Calls.ts#L47)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| extrinsic | `Extrinsic` |
**Returns:** `Observable`< `Hash` &#124; `undefined`>
___
<a id="subscribenewhead"></a>
## subscribeNewHead
▸ **subscribeNewHead**(): `Observable`< `Header` &#124; `undefined`>
*Inherited from [ApiCalls](_calls_.apicalls.md).[subscribeNewHead](_calls_.apicalls.md#subscribenewhead)*
*Defined in [Calls.ts:33](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Calls.ts#L33)*
**Returns:** `Observable`< `Header` &#124; `undefined`>
___
<a id="systemevents"></a>
## systemEvents
▸ **systemEvents**(): `Observable`<`Array`<`EventRecord`>>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[systemEvents](_queries_.apiqueries.md#systemevents)*
*Defined in [Queries.ts:220](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L220)*
**Returns:** `Observable`<`Array`<`EventRecord`>>
___
<a id="systemname"></a>
## systemName
▸ **systemName**(): `Observable`< `Text` &#124; `undefined`>
*Inherited from [ApiCalls](_calls_.apicalls.md).[systemName](_calls_.apicalls.md#systemname)*
*Defined in [Calls.ts:39](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Calls.ts#L39)*
**Returns:** `Observable`< `Text` &#124; `undefined`>
___
<a id="systemversion"></a>
## systemVersion
▸ **systemVersion**(): `Observable`< `Text` &#124; `undefined`>
*Inherited from [ApiCalls](_calls_.apicalls.md).[systemVersion](_calls_.apicalls.md#systemversion)*
*Defined in [Calls.ts:43](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Calls.ts#L43)*
**Returns:** `Observable`< `Text` &#124; `undefined`>
___
<a id="validatingbalance"></a>
## validatingBalance
▸ **validatingBalance**(address: * `AccountId` &#124; `string`*): `Observable`<[RxBalance](../modules/_types_.md#rxbalance)>
*Inherited from [ApiCombined](_combined_.apicombined.md).[validatingBalance](_combined_.apicombined.md#validatingbalance)*
*Defined in [Combined.ts:346](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L346)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| address | `AccountId` &#124; `string`|
**Returns:** `Observable`<[RxBalance](../modules/_types_.md#rxbalance)>
___
<a id="validatingbalances"></a>
## validatingBalances
▸ **validatingBalances**(...addresses: *`Array`< `AccountId` &#124; `string`>*): `Observable`<[RxBalanceMap](../modules/_types_.md#rxbalancemap)>
*Inherited from [ApiCombined](_combined_.apicombined.md).[validatingBalances](_combined_.apicombined.md#validatingbalances)*
*Defined in [Combined.ts:371](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L371)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| `Rest` addresses | `Array`< `AccountId` &#124; `string`> |
**Returns:** `Observable`<[RxBalanceMap](../modules/_types_.md#rxbalancemap)>
___
<a id="validatorcount"></a>
## validatorCount
▸ **validatorCount**(): `Observable`< `u32` &#124; `undefined`>
*Inherited from [ApiQueries](_queries_.apiqueries.md).[validatorCount](_queries_.apiqueries.md#validatorcount)*
*Defined in [Queries.ts:231](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Queries.ts#L231)*
**Returns:** `Observable`< `u32` &#124; `undefined`>
___
<a id="votingbalance"></a>
## votingBalance
▸ **votingBalance**(address: * `AccountIndex` &#124; `AccountId` &#124; `string`*): `Observable`<[RxBalance](../modules/_types_.md#rxbalance)>
*Inherited from [ApiCombined](_combined_.apicombined.md).[votingBalance](_combined_.apicombined.md#votingbalance)*
*Defined in [Combined.ts:385](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L385)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| address | `AccountIndex` &#124; `AccountId` &#124; `string`|
**Returns:** `Observable`<[RxBalance](../modules/_types_.md#rxbalance)>
___
<a id="votingbalances"></a>
## votingBalances
▸ **votingBalances**(...addresses: *`Array`< `AccountId` &#124; `string`>*): `Observable`<[RxBalance](../modules/_types_.md#rxbalance)[]>
*Inherited from [ApiCombined](_combined_.apicombined.md).[votingBalances](_combined_.apicombined.md#votingbalances)*
*Defined in [Combined.ts:425](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L425)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| `Rest` addresses | `Array`< `AccountId` &#124; `string`> |
**Returns:** `Observable`<[RxBalance](../modules/_types_.md#rxbalance)[]>
___
<a id="votingbalancesnominatorsfor"></a>
## votingBalancesNominatorsFor
▸ **votingBalancesNominatorsFor**(address: * `AccountId` &#124; `string`*): `Observable`<`any`>
*Inherited from [ApiCombined](_combined_.apicombined.md).[votingBalancesNominatorsFor](_combined_.apicombined.md#votingbalancesnominatorsfor)*
*Defined in [Combined.ts:414](https://github.com/polkadot-js/api/blob/6b3ba22/packages/api-observable/src/Combined.ts#L414)*
**Parameters:**
| Name | Type |
| ------ | ------ |
| address | `AccountId` &#124; `string`|
**Returns:** `Observable`<`any`>
___
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