@kamino-finance/klend-sdk/dist/utils/oracle.d.ts

Typescript SDK for interacting with the Kamino Lending (klend) protocol

import { AccountInfo, Connection, PublicKey } from '@solana/web3.js';
import Decimal from 'decimal.js';
import { OraclePrices } from '@kamino-finance/scope-sdk';
import { PubkeyHashMap } from './pubkey';
import SwitchboardProgram from '@switchboard-xyz/sbv2-lite';
import { Reserve } from '../lib';
export declare const MAX_CONFIDENCE_PERCENTAGE: Decimal;
export declare const CONFIDENCE_FACTOR: Decimal;
export type TokenOracleData = {
    mintAddress: PublicKey;
    decimals: Decimal;
    price: Decimal;
    timestamp: bigint;
    valid: boolean;
};
export type CandidatePrice = {
    price: Decimal;
    timestamp: bigint;
    valid: boolean;
};
export type ScopeRefresh = {
    includeScopeRefresh: boolean;
    scopeFeed: string;
};
export declare function getTokenOracleData(connection: Connection, reserves: Reserve[]): Promise<Array<[Reserve, TokenOracleData | undefined]>>;
export type AllOracleAccounts = PubkeyHashMap<PublicKey, AccountInfo<Buffer>>;
export declare function getAllOracleAccounts(connection: Connection, reserves: Reserve[]): Promise<AllOracleAccounts>;
export type PythPrices = {
    spot?: CandidatePrice;
    twap?: CandidatePrice;
};
/**
 * Get pyth price from cache or fetch if not available
 * @param oracle oracle address
 * @param cache pyth cache
 * @param oracleAccounts all oracle accounts
 */
export declare function cacheOrGetPythPrices(oracle: PublicKey, cache: Map<PublicKey, PythPrices>, oracleAccounts: AllOracleAccounts): PythPrices | null;
/**
 * Get switchboard price from cache or fetch if not available
 * @param oracle oracle address
 * @param switchboardCache cache for oracle prices
 * @param oracleAccounts all oracle accounts
 * @param switchboardV2 loaded switchboard program
 */
export declare function cacheOrGetSwitchboardPrice(oracle: PublicKey, switchboardCache: Map<PublicKey, CandidatePrice>, oracleAccounts: AllOracleAccounts, switchboardV2: SwitchboardProgram): CandidatePrice | null;
/**
 * Get scope price from cache or fetch if not available
 * @param oracle oracle address
 * @param scopeCache cache for oracle prices
 * @param allOracleAccounts all oracle accounts
 * @param chain scope chain
 */
export declare function cacheOrGetScopePrice(oracle: PublicKey, scopeCache: Map<PublicKey, OraclePrices>, allOracleAccounts: AllOracleAccounts, chain: number[]): CandidatePrice | null;
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