UNPKG

@kamino-finance/kliquidity-sdk

Version:

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

60 lines (55 loc) 1.91 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 CloseBundledPositionArgs { bundleIndex: number } export interface CloseBundledPositionAccounts { bundledPosition: Address positionBundle: Address positionBundleTokenAccount: Address positionBundleAuthority: TransactionSigner receiver: Address } export const layout = borsh.struct([borsh.u16("bundleIndex")]) export function closeBundledPosition( args: CloseBundledPositionArgs, accounts: CloseBundledPositionAccounts, programAddress: Address = PROGRAM_ID ) { const keys: Array<IAccountMeta | IAccountSignerMeta> = [ { address: accounts.bundledPosition, role: 1 }, { address: accounts.positionBundle, role: 1 }, { address: accounts.positionBundleTokenAccount, role: 0 }, { address: accounts.positionBundleAuthority.address, role: 2, signer: accounts.positionBundleAuthority, }, { address: accounts.receiver, role: 1 }, ] const identifier = Buffer.from([41, 36, 216, 245, 27, 85, 103, 67]) const buffer = Buffer.alloc(1000) const len = layout.encode( { bundleIndex: args.bundleIndex, }, buffer ) const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len) const ix: IInstruction = { accounts: keys, programAddress, data } return ix }