UNPKG

@kamino-finance/kliquidity-sdk

Version:

Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol

78 lines (73 loc) 2.49 kB
/* 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 }