@kamino-finance/klend-sdk
Version:
Typescript SDK for interacting with the Kamino Lending (klend) protocol
49 lines (44 loc) • 1.68 kB
text/typescript
import { TransactionInstruction, PublicKey, AccountMeta } from "@solana/web3.js" // eslint-disable-line @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 * as types from "../types" // eslint-disable-line @typescript-eslint/no-unused-vars
import { PROGRAM_ID } from "../programId"
export interface UpdateSingleReserveConfigArgs {
mode: BN
value: Array<number>
skipValidation: boolean
}
export interface UpdateSingleReserveConfigAccounts {
lendingMarketOwner: PublicKey
lendingMarket: PublicKey
reserve: PublicKey
}
export const layout = borsh.struct([
borsh.u64("mode"),
borsh.array(borsh.u8(), 32, "value"),
borsh.bool("skipValidation"),
])
export function updateSingleReserveConfig(
args: UpdateSingleReserveConfigArgs,
accounts: UpdateSingleReserveConfigAccounts,
programId: PublicKey = PROGRAM_ID
) {
const keys: Array<AccountMeta> = [
{ pubkey: accounts.lendingMarketOwner, isSigner: true, isWritable: false },
{ pubkey: accounts.lendingMarket, isSigner: false, isWritable: false },
{ pubkey: accounts.reserve, isSigner: false, isWritable: true },
]
const identifier = Buffer.from([248, 195, 192, 90, 204, 42, 162, 233])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
mode: args.mode,
value: args.value,
skipValidation: args.skipValidation,
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix = new TransactionInstruction({ keys, programId, data })
return ix
}