@kamino-finance/kliquidity-sdk
Version:
Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol
68 lines (63 loc) • 2.18 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 ClaimRewardArgs {
rewardIndex: BN
}
export interface ClaimRewardAccounts {
lbPair: Address
position: Address
binArrayLower: Address
binArrayUpper: Address
sender: TransactionSigner
rewardVault: Address
rewardMint: Address
userTokenAccount: Address
tokenProgram: Address
eventAuthority: Address
program: Address
}
export const layout = borsh.struct([borsh.u64("rewardIndex")])
export function claimReward(
args: ClaimRewardArgs,
accounts: ClaimRewardAccounts,
programAddress: Address = PROGRAM_ID
) {
const keys: Array<IAccountMeta | IAccountSignerMeta> = [
{ address: accounts.lbPair, role: 1 },
{ address: accounts.position, role: 1 },
{ address: accounts.binArrayLower, role: 1 },
{ address: accounts.binArrayUpper, role: 1 },
{ address: accounts.sender.address, role: 2, signer: accounts.sender },
{ address: accounts.rewardVault, role: 1 },
{ address: accounts.rewardMint, role: 0 },
{ address: accounts.userTokenAccount, role: 1 },
{ address: accounts.tokenProgram, role: 0 },
{ address: accounts.eventAuthority, role: 0 },
{ address: accounts.program, role: 0 },
]
const identifier = Buffer.from([149, 95, 181, 242, 94, 90, 158, 162])
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
}