@kamino-finance/kliquidity-sdk
Version:
Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol
64 lines (59 loc) • 1.98 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 CollectRewardArgs {
rewardIndex: number
}
export interface CollectRewardAccounts {
whirlpool: Address
positionAuthority: TransactionSigner
position: Address
positionTokenAccount: Address
rewardOwnerAccount: Address
rewardVault: Address
tokenProgram: Address
}
export const layout = borsh.struct([borsh.u8("rewardIndex")])
export function collectReward(
args: CollectRewardArgs,
accounts: CollectRewardAccounts,
programAddress: Address = PROGRAM_ID
) {
const keys: Array<IAccountMeta | IAccountSignerMeta> = [
{ address: accounts.whirlpool, role: 0 },
{
address: accounts.positionAuthority.address,
role: 2,
signer: accounts.positionAuthority,
},
{ address: accounts.position, role: 1 },
{ address: accounts.positionTokenAccount, role: 0 },
{ address: accounts.rewardOwnerAccount, role: 1 },
{ address: accounts.rewardVault, role: 1 },
{ address: accounts.tokenProgram, role: 0 },
]
const identifier = Buffer.from([70, 5, 132, 87, 86, 235, 177, 34])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
rewardIndex: args.rewardIndex,
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix: IInstruction = { accounts: keys, programAddress, data }
return ix
}