@polkadot/api

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Promise and RxJS wrappers around the Polkadot JS RPC

github.com/polkadot-js/api/tree/master/packages/api

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TypeScript

import type { AccountId, Address } from '@polkadot/types/interfaces'; import type { IKeyringPair } from '@polkadot/types/types'; export declare function isKeyringPair(account: string | IKeyringPair | AccountId | Address): account is IKeyringPair;