@kamino-finance/kliquidity-sdk
Version:
Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol
78 lines (73 loc) • 2.49 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 CollectRewardV2Args {
rewardIndex: number
remainingAccountsInfo: types.RemainingAccountsInfoFields | null
}
export interface CollectRewardV2Accounts {
whirlpool: Address
positionAuthority: TransactionSigner
position: Address
positionTokenAccount: Address
rewardOwnerAccount: Address
rewardMint: Address
rewardVault: Address
rewardTokenProgram: Address
memoProgram: Address
}
export const layout = borsh.struct([
borsh.u8("rewardIndex"),
borsh.option(types.RemainingAccountsInfo.layout(), "remainingAccountsInfo"),
])
export function collectRewardV2(
args: CollectRewardV2Args,
accounts: CollectRewardV2Accounts,
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.rewardMint, role: 0 },
{ address: accounts.rewardVault, role: 1 },
{ address: accounts.rewardTokenProgram, role: 0 },
{ address: accounts.memoProgram, role: 0 },
]
const identifier = Buffer.from([177, 107, 37, 180, 160, 19, 49, 209])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
rewardIndex: args.rewardIndex,
remainingAccountsInfo:
(args.remainingAccountsInfo &&
types.RemainingAccountsInfo.toEncodable(
args.remainingAccountsInfo
)) ||
null,
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix: IInstruction = { accounts: keys, programAddress, data }
return ix
}