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

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

import { Account, Address, Base64EncodedDataResponse, GetMultipleAccountsApi, Rpc } from '@solana/kit';
import Decimal from 'decimal.js';
import { Scope } from '@kamino-finance/scope-sdk';
import { OraclePrices } from '@kamino-finance/scope-sdk/dist/@codegen/scope/accounts/OraclePrices';
import { ReserveWithAddress } from '../classes';
import { Reserve } from '../lib';
import { Configuration } from '@kamino-finance/scope-sdk/dist/@codegen/scope/accounts/Configuration';
export declare const MAX_CONFIDENCE_PERCENTAGE: Decimal;
export declare const CONFIDENCE_FACTOR: Decimal;
export type TokenOracleData = {
    mintAddress: Address;
    decimals: Decimal;
    price: Decimal;
    timestamp: bigint;
    valid: boolean;
};
export type CandidatePrice = {
    price: Decimal;
    timestamp: bigint;
    valid: boolean;
};
export type ScopePriceRefreshConfig = {
    scope: Scope;
    scopeConfigurations: [Address, Configuration][];
};
export declare function getTokenOracleDataSync(allOracleAccounts: AllOracleAccounts, reserves: ReserveWithAddress[]): [Reserve, TokenOracleData | undefined][];
export declare function getTokenOracleData(rpc: Rpc<GetMultipleAccountsApi>, reserves: ReserveWithAddress[], oracleAccounts?: AllOracleAccounts): Promise<Array<[Reserve, TokenOracleData | undefined]>>;
export type AllOracleAccounts = Map<Address, Account<Base64EncodedDataResponse>>;
export declare function getAllOracleAccounts(rpc: Rpc<GetMultipleAccountsApi>, 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: Address, cache: Map<Address, 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
 */
export declare function cacheOrGetSwitchboardPrice(oracle: Address, switchboardCache: Map<Address, CandidatePrice>, oracleAccounts: AllOracleAccounts): 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: Address, scopeCache: Map<Address, OraclePrices>, allOracleAccounts: AllOracleAccounts, chain: number[]): CandidatePrice | null;
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