Context
Context in which the SDK is being used
Holds the current low level API
Holds the current keyring pair
Holds the current Identity
Hierarchy
Context
Index
Properties
Accessors
Methods
Properties
Optional currentPair
Optional currentPair• currentPair? : KeyringPair
Defined in src/base/Context.ts:76
isArchiveNode
• isArchiveNode: boolean = false
Defined in src/base/Context.ts:81
Whether the current node is an archive node (contains a full history from genesis onward) or not
polymeshApi
• polymeshApi: ApiPromise
Defined in src/base/Context.ts:74
Accessors
middlewareApi
• get middlewareApi(): ApolloClient‹NormalizedCacheObject›
Defined in src/base/Context.ts:657
Retrieve the middleware client
throws if cred entials are not set
Returns: ApolloClient‹NormalizedCacheObject›
Methods
accountBalance
▸ accountBalance(account?: string | Account): Promise‹AccountBalance›
Defined in src/base/Context.ts:233
Retrieve the account level POLYX balance
note can be subscribed to
Parameters:
Name | Type |
| string | Account |
Returns: Promise‹AccountBalance›
▸ accountBalance(account: string | Account | undefined, callback: SubCallback‹AccountBalance›): Promise‹UnsubCallback›
Defined in src/base/Context.ts:234
Retrieve the account level POLYX balance
note can be subscribed to
Parameters:
Name | Type |
| string | Account | undefined |
|
Returns: Promise‹UnsubCallback›
getAccounts
▸ getAccounts(): Array‹AccountData›
Defined in src/base/Context.ts:206
Retrieve a list of addresses associated with the account
Returns: Array‹AccountData›
getCurrentAccount
▸ getCurrentAccount(): CurrentAccount
Defined in src/base/Context.ts:292
Retrieve current Account
throws if there is no current account associated to the SDK instance
Returns: CurrentAccount
getCurrentIdentity
▸ getCurrentIdentity(): Promise‹CurrentIdentity›
Defined in src/base/Context.ts:312
Retrieve current Identity
throws if there is no Identity associated to the current Account (or there is no current Account associated to the SDK instance)
Returns: Promise‹CurrentIdentity›
getCurrentPair
▸ getCurrentPair(): KeyringPair
Defined in src/base/Context.ts:332
Retrieve current Keyring Pair
throws if there is no Account associated to the SDK instance
Returns: KeyringPair
getInvalidDids
▸ getInvalidDids(identities: (string | Identity‹›)[]): Promise‹string[]›
Defined in src/base/Context.ts:347
Check whether Identities exist
Parameters:
Name | Type |
| (string | Identity‹›)[] |
Returns: Promise‹string[]›
getLatestBlock
▸ getLatestBlock(): Promise‹BigNumber›
Defined in src/base/Context.ts:715
Retrieve the latest block number
Returns: Promise‹BigNumber›
getSecondaryKeys
▸ getSecondaryKeys(): Promise‹SecondaryKey[]›
Defined in src/base/Context.ts:545
Retrieve the list of secondary keys related to the Account
note can be subscribed to
Returns: Promise‹SecondaryKey[]›
▸ getSecondaryKeys(callback: SubCallback‹SecondaryKey[]›): Promise‹UnsubCallback›
Defined in src/base/Context.ts:546
Parameters:
Name | Type |
|
Returns: Promise‹UnsubCallback›
getTransactionArguments
▸ getTransactionArguments(args: object): TransactionArgument[]
Defined in src/base/Context.ts:397
Retrieve the types of arguments that a certain transaction requires to be run
Parameters:
▪ args: object
Name | Type | Description |
| TxTag | tag associated with the transaction that will be executed if the proposal passes |
Returns: TransactionArgument[]
getTransactionFees
▸ getTransactionFees(tag: TxTag): Promise‹BigNumber›
Defined in src/base/Context.ts:370
Retrieve the protocol fees associated with running a specific transaction
Parameters:
Name | Type | Description |
| TxTag | transaction tag (i.e. TxTags.asset.CreateAsset or "asset.createAsset") |
Returns: Promise‹BigNumber›
isMiddlewareAvailable
▸ isMiddlewareAvailable(): Promise‹boolean›
Defined in src/base/Context.ts:702
Return whether the middleware is enabled and online
Returns: Promise‹boolean›
isMiddlewareEnabled
▸ isMiddlewareEnabled(): boolean
Defined in src/base/Context.ts:695
Return whether the middleware was enabled at startup
Returns: boolean
issuedClaims
▸ issuedClaims(opts: object): Promise‹ResultSet‹ClaimData››
Defined in src/base/Context.ts:587
Retrieve a list of claims. Can be filtered using parameters
note uses the middleware
Parameters:
▪Default value opts: object= {}
Name | Type | Description |
| types of the claims to fetch. Defaults to any type | |
| undefined | false | true | whether to include expired claims. Defaults to true |
| undefined | number | page size |
| undefined | number | page offset |
| (string | Identity‹›)[] | identities (or Identity IDs) for which to fetch claims (targets). Defaults to all targets |
| (string | Identity‹›)[] | identity IDs of claim issuers. Defaults to all claim issuers |
Returns: Promise‹ResultSet‹ClaimData››
queryMiddleware
▸ queryMiddleware‹Result›(query: GraphqlQuery‹unknown›): Promise‹ApolloQueryResult‹Result››
Defined in src/base/Context.ts:673
Make a query to the middleware server using the apollo client
Type parameters:
▪ Result: Partial‹Query›
Parameters:
Name | Type |
| GraphqlQuery‹unknown› |
Returns: Promise‹ApolloQueryResult‹Result››
setPair
▸ setPair(address: string): Promise‹void›
Defined in src/base/Context.ts:216
Set a pair as the current account keyring pair
Parameters:
Name | Type |
| string |
Returns: Promise‹void›
Static create
Static create▸ create(params: object): Promise‹Context›
Defined in src/base/Context.ts:112
Create the Context instance
Parameters:
▪ params: object
Name | Type |
| ApolloClient‹NormalizedCacheObject› | null |
| ApiPromise |
| string |
Returns: Promise‹Context›
▸ create(params: object): Promise‹Context›
Defined in src/base/Context.ts:118
Create the Context instance
Parameters:
▪ params: object
Name | Type |
| |
| ApolloClient‹NormalizedCacheObject› | null |
| ApiPromise |
Returns: Promise‹Context›
▸ create(params: object): Promise‹Context›
Defined in src/base/Context.ts:124
Create the Context instance
Parameters:
▪ params: object
Name | Type |
| ApolloClient‹NormalizedCacheObject› | null |
| ApiPromise |
| string |
Returns: Promise‹Context›
▸ create(params: object): Promise‹Context›
Defined in src/base/Context.ts:130
Create the Context instance
Parameters:
▪ params: object
Name | Type |
| ApolloClient‹NormalizedCacheObject› | null |
| ApiPromise |
Returns: Promise‹Context›
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