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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([130, 80, 38, 153, 80, 212, 182, 253]) export interface IdlMissingTypesArgs { reserveFarmKind: types.ReserveFarmKindKind assetTier: types.AssetTierKind feeCalculation: types.FeeCalculationKind reserveStatus: types.ReserveStatusKind updateConfigMode: types.UpdateConfigModeKind updateLendingMarketConfigValue: types.UpdateLendingMarketConfigValueKind updateLendingMarketConfigMode: types.UpdateLendingMarketModeKind } export interface IdlMissingTypesAccounts { signer: TransactionSigner globalConfig: Address lendingMarket: Address reserve: Address } export const layout = borsh.struct([ types.ReserveFarmKind.layout("reserveFarmKind"), types.AssetTier.layout("assetTier"), types.FeeCalculation.layout("feeCalculation"), types.ReserveStatus.layout("reserveStatus"), types.UpdateConfigMode.layout("updateConfigMode"), types.UpdateLendingMarketConfigValue.layout("updateLendingMarketConfigValue"), types.UpdateLendingMarketMode.layout("updateLendingMarketConfigMode"), ]) export function idlMissingTypes( args: IdlMissingTypesArgs, accounts: IdlMissingTypesAccounts, remainingAccounts: Array<AccountMeta | AccountSignerMeta> = [], programAddress: Address = PROGRAM_ID ) { const keys: Array<AccountMeta | AccountSignerMeta> = [ { address: accounts.signer.address, role: 2, signer: accounts.signer }, { address: accounts.globalConfig, role: 0 }, { address: accounts.lendingMarket, role: 0 }, { address: accounts.reserve, role: 1 }, ...remainingAccounts, ] const buffer = Buffer.alloc(1000) const len = layout.encode( { reserveFarmKind: args.reserveFarmKind.toEncodable(), assetTier: args.assetTier.toEncodable(), feeCalculation: args.feeCalculation.toEncodable(), reserveStatus: args.reserveStatus.toEncodable(), updateConfigMode: args.updateConfigMode.toEncodable(), updateLendingMarketConfigValue: args.updateLendingMarketConfigValue.toEncodable(), updateLendingMarketConfigMode: args.updateLendingMarketConfigMode.toEncodable(), }, buffer ) const data = Buffer.concat([DISCRIMINATOR, buffer]).slice(0, 8 + len) const ix: Instruction = { accounts: keys, programAddress, data } return ix }