@metamask/snaps-sdk/dist/types/handlers/asset-historical-price.d.mts

A library containing the core functionality for building MetaMask Snaps

import type { CaipAssetType } from "@metamask/utils";
/**
 * The historical price value.
 * The first element in the array is the timestamp, the second is the price.
 */
export type HistoricalPriceValue = [number, string];
/**
 * The historical price object.
 * The key is the time period as an ISO 8601 duration or the "all" string, the value is an array of historical price values.
 */
export type HistoricalPriceIntervals = {
    [key: string]: HistoricalPriceValue[];
};
/**
 * The response from the historical price query, containing the historical price about the requested asset pair.
 *
 * @property historicalPrice - The historical price object
 * @property historicalPrice.intervals - The historical price of the asset pair.
 * @property historicalPrice.updateTime - The time at which the historical price has been calculated.
 * @property historicalPrice.expirationTime - The time at which the historical price expires.
 */
export type OnAssetHistoricalPriceResponse = {
    historicalPrice: {
        intervals: HistoricalPriceIntervals;
        updateTime: number;
        expirationTime?: number;
    };
} | null;
/**
 * The `onAssetHistoricalPrice` handler arguments.
 *
 * @property from - The CAIP-19 asset type of the asset requested.
 * @property to - The CAIP-19 asset type of the asset converted to.
 */
export type OnAssetHistoricalPriceArguments = {
    from: CaipAssetType;
    to: CaipAssetType;
};
/**
 * The `onAssetHistoricalPrice` handler. This is called by MetaMask when querying about the historical price of an asset pair on a specific chain.
 *
 * @returns The historical price of the asset pair. See
 * {@link OnAssetHistoricalPriceResponse}.
 */
export type OnAssetHistoricalPriceHandler = (args: OnAssetHistoricalPriceArguments) => Promise<OnAssetHistoricalPriceResponse>;
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