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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, 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 VrfPoolRequestArgs { params: types.VrfPoolRequestParamsFields } export interface VrfPoolRequestAccounts { authority: TransactionSigner vrfPool: Address escrow: Address mint: Address queue: Address queueAuthority: Address dataBuffer: Address recentBlockhashes: Address programState: Address tokenProgram: Address } export const layout = borsh.struct([ types.VrfPoolRequestParams.layout("params"), ]) export function vrfPoolRequest( args: VrfPoolRequestArgs, accounts: VrfPoolRequestAccounts, programAddress: Address = PROGRAM_ID ) { const keys: Array<IAccountMeta | IAccountSignerMeta> = [ { address: accounts.authority.address, role: 2, signer: accounts.authority, }, { address: accounts.vrfPool, role: 1 }, { address: accounts.escrow, role: 1 }, { address: accounts.mint, role: 0 }, { address: accounts.queue, role: 1 }, { address: accounts.queueAuthority, role: 0 }, { address: accounts.dataBuffer, role: 0 }, { address: accounts.recentBlockhashes, role: 0 }, { address: accounts.programState, role: 0 }, { address: accounts.tokenProgram, role: 0 }, ] const identifier = Buffer.from([67, 49, 182, 255, 222, 161, 116, 238]) const buffer = Buffer.alloc(1000) const len = layout.encode( { params: types.VrfPoolRequestParams.toEncodable(args.params), }, buffer ) const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len) const ix: IInstruction = { accounts: keys, programAddress, data } return ix }