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@kamino-finance/klend-sdk

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Typescript SDK for interacting with the Kamino Lending (klend) protocol

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/* eslint-disable @typescript-eslint/no-unused-vars */ import { Address, isSome, AccountMeta, AccountSignerMeta, Instruction, 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 const DISCRIMINATOR = Buffer.from([101, 131, 0, 32, 246, 54, 251, 101]) export interface GetIncreasePositionArgs { params: types.GetIncreasePositionParamsFields } export interface GetIncreasePositionAccounts { perpetuals: Address pool: Address position: Option<Address> custody: Address custodyOracleAccount: Address collateralCustody: Address collateralCustodyOracleAccount: Address } export const layout = borsh.struct([ types.GetIncreasePositionParams.layout("params"), ]) export function getIncreasePosition( args: GetIncreasePositionArgs, accounts: GetIncreasePositionAccounts, remainingAccounts: Array<AccountMeta | AccountSignerMeta> = [], programAddress: Address = PROGRAM_ID ) { const keys: Array<AccountMeta | AccountSignerMeta> = [ { address: accounts.perpetuals, role: 0 }, { address: accounts.pool, role: 0 }, isSome(accounts.position) ? { address: accounts.position.value, role: 0 } : { address: programAddress, role: 0 }, { address: accounts.custody, role: 0 }, { address: accounts.custodyOracleAccount, role: 0 }, { address: accounts.collateralCustody, role: 0 }, { address: accounts.collateralCustodyOracleAccount, role: 0 }, ...remainingAccounts, ] const buffer = Buffer.alloc(1000) const len = layout.encode( { params: types.GetIncreasePositionParams.toEncodable(args.params), }, buffer ) const data = Buffer.concat([DISCRIMINATOR, buffer]).slice(0, 8 + len) const ix: Instruction = { accounts: keys, programAddress, data } return ix }