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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([26, 136, 225, 217, 22, 21, 83, 20]) export interface IncreasePositionPreSwapArgs { params: types.IncreasePositionPreSwapParamsFields } export interface IncreasePositionPreSwapAccounts { keeper: TransactionSigner keeperAta: Address positionRequest: Address positionRequestAta: Address position: Address collateralCustody: Address collateralCustodyTokenAccount: Address instruction: Address tokenProgram: Address eventAuthority: Address program: Address } export const layout = borsh.struct<IncreasePositionPreSwapArgs>([ types.IncreasePositionPreSwapParams.layout("params"), ]) export function increasePositionPreSwap( args: IncreasePositionPreSwapArgs, accounts: IncreasePositionPreSwapAccounts, remainingAccounts: Array<AccountMeta | AccountSignerMeta> = [], programAddress: Address = PROGRAM_ID ) { const keys: Array<AccountMeta | AccountSignerMeta> = [ { address: accounts.keeper.address, role: 2, signer: accounts.keeper }, { address: accounts.keeperAta, role: 1 }, { address: accounts.positionRequest, role: 1 }, { address: accounts.positionRequestAta, role: 1 }, { address: accounts.position, role: 0 }, { address: accounts.collateralCustody, role: 0 }, { address: accounts.collateralCustodyTokenAccount, role: 0 }, { address: accounts.instruction, role: 0 }, { address: accounts.tokenProgram, role: 0 }, { address: accounts.eventAuthority, role: 0 }, { address: accounts.program, role: 0 }, ...remainingAccounts, ] const buffer = Buffer.alloc(1000) const len = layout.encode( { params: types.IncreasePositionPreSwapParams.toEncodable(args.params), }, buffer ) const data = Buffer.concat([DISCRIMINATOR, buffer]).slice(0, 8 + len) const ix: Instruction = { accounts: keys, programAddress, data } return ix }