@kamino-finance/klend-sdk
Version:
Typescript SDK for interacting with the Kamino Lending (klend) protocol
55 lines (51 loc) • 2.02 kB
text/typescript
/* eslint-disable @typescript-eslint/no-unused-vars */
import {
Address,
isSome,
AccountMeta,
AccountSignerMeta,
Instruction,
Option,
TransactionSigner,
} from "@solana/kit"
/* eslint-enable @typescript-eslint/no-unused-vars */
import BN from "bn.js" // eslint-disable-line @typescript-eslint/no-unused-vars
import * as borsh from "@coral-xyz/borsh" // eslint-disable-line @typescript-eslint/no-unused-vars
import { borshAddress } from "../utils" // eslint-disable-line @typescript-eslint/no-unused-vars
import * as types from "../types" // eslint-disable-line @typescript-eslint/no-unused-vars
import { PROGRAM_ID } from "../programId"
export const DISCRIMINATOR = Buffer.from([2, 218, 138, 235, 79, 201, 25, 102])
export interface RefreshReserveAccounts {
reserve: Address
lendingMarket: Address
pythOracle: Option<Address>
switchboardPriceOracle: Option<Address>
switchboardTwapOracle: Option<Address>
scopePrices: Option<Address>
}
export function refreshReserve(
accounts: RefreshReserveAccounts,
remainingAccounts: Array<AccountMeta | AccountSignerMeta> = [],
programAddress: Address = PROGRAM_ID
) {
const keys: Array<AccountMeta | AccountSignerMeta> = [
{ address: accounts.reserve, role: 1 },
{ address: accounts.lendingMarket, role: 0 },
isSome(accounts.pythOracle)
? { address: accounts.pythOracle.value, role: 0 }
: { address: programAddress, role: 0 },
isSome(accounts.switchboardPriceOracle)
? { address: accounts.switchboardPriceOracle.value, role: 0 }
: { address: programAddress, role: 0 },
isSome(accounts.switchboardTwapOracle)
? { address: accounts.switchboardTwapOracle.value, role: 0 }
: { address: programAddress, role: 0 },
isSome(accounts.scopePrices)
? { address: accounts.scopePrices.value, role: 0 }
: { address: programAddress, role: 0 },
...remainingAccounts,
]
const data = DISCRIMINATOR
const ix: Instruction = { accounts: keys, programAddress, data }
return ix
}