UNPKG

@kamino-finance/klend-sdk

Version:

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

66 lines (60 loc) 1.92 kB
/* 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([164, 84, 130, 189, 111, 58, 250, 200]) export interface UpdateGlobalConfigArgs { mode: types.UpdateGlobalConfigModeKind value: Uint8Array } export interface UpdateGlobalConfigAccounts { globalAdmin: TransactionSigner globalConfig: Address } export const layout = borsh.struct([ types.UpdateGlobalConfigMode.layout("mode"), borsh.vecU8("value"), ]) export function updateGlobalConfig( args: UpdateGlobalConfigArgs, accounts: UpdateGlobalConfigAccounts, remainingAccounts: Array<AccountMeta | AccountSignerMeta> = [], programAddress: Address = PROGRAM_ID ) { const keys: Array<AccountMeta | AccountSignerMeta> = [ { address: accounts.globalAdmin.address, role: 2, signer: accounts.globalAdmin, }, { address: accounts.globalConfig, role: 1 }, ...remainingAccounts, ] const buffer = Buffer.alloc(1000) const len = layout.encode( { mode: args.mode.toEncodable(), value: Buffer.from( args.value.buffer, args.value.byteOffset, args.value.length ), }, buffer ) const data = Buffer.concat([DISCRIMINATOR, buffer]).slice(0, 8 + len) const ix: Instruction = { accounts: keys, programAddress, data } return ix }