@kamino-finance/klend-sdk
Version:
Typescript SDK for interacting with the Kamino Lending (klend) protocol
64 lines (59 loc) • 2.04 kB
text/typescript
/* eslint-disable @typescript-eslint/no-unused-vars */
import {
Address,
isSome,
IAccountMeta,
IAccountSignerMeta,
IInstruction,
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 interface CrankPopArgs {
params: types.CrankPopParamsFields
}
export interface CrankPopAccounts {
crank: Address
oracleQueue: Address
queueAuthority: Address
programState: Address
payoutWallet: Address
tokenProgram: Address
crankDataBuffer: Address
queueDataBuffer: Address
mint: Address
}
export const layout = borsh.struct([types.CrankPopParams.layout("params")])
export function crankPop(
args: CrankPopArgs,
accounts: CrankPopAccounts,
programAddress: Address = PROGRAM_ID
) {
const keys: Array<IAccountMeta | IAccountSignerMeta> = [
{ address: accounts.crank, role: 1 },
{ address: accounts.oracleQueue, role: 1 },
{ address: accounts.queueAuthority, role: 0 },
{ address: accounts.programState, role: 0 },
{ address: accounts.payoutWallet, role: 1 },
{ address: accounts.tokenProgram, role: 0 },
{ address: accounts.crankDataBuffer, role: 1 },
{ address: accounts.queueDataBuffer, role: 0 },
{ address: accounts.mint, role: 0 },
]
const identifier = Buffer.from([66, 57, 216, 251, 165, 107, 128, 98])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
params: types.CrankPopParams.toEncodable(args.params),
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix: IInstruction = { accounts: keys, programAddress, data }
return ix
}