@kamino-finance/klend-sdk
Version:
Typescript SDK for interacting with the Kamino Lending (klend) protocol
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text/typescript
import { TransactionInstruction, PublicKey, AccountMeta } from "@solana/web3.js" // eslint-disable-line @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 * as types from "../types" // eslint-disable-line @typescript-eslint/no-unused-vars
import { PROGRAM_ID } from "../programId"
export interface InitReferrerTokenStateArgs {
referrer: PublicKey
}
export interface InitReferrerTokenStateAccounts {
payer: PublicKey
lendingMarket: PublicKey
reserve: PublicKey
referrerTokenState: PublicKey
rent: PublicKey
systemProgram: PublicKey
}
export const layout = borsh.struct([borsh.publicKey("referrer")])
export function initReferrerTokenState(
args: InitReferrerTokenStateArgs,
accounts: InitReferrerTokenStateAccounts,
programId: PublicKey = PROGRAM_ID
) {
const keys: Array<AccountMeta> = [
{ pubkey: accounts.payer, isSigner: true, isWritable: true },
{ pubkey: accounts.lendingMarket, isSigner: false, isWritable: false },
{ pubkey: accounts.reserve, isSigner: false, isWritable: false },
{ pubkey: accounts.referrerTokenState, isSigner: false, isWritable: true },
{ pubkey: accounts.rent, isSigner: false, isWritable: false },
{ pubkey: accounts.systemProgram, isSigner: false, isWritable: false },
]
const identifier = Buffer.from([116, 45, 66, 148, 58, 13, 218, 115])
const buffer = Buffer.alloc(1000)
const len = layout.encode(
{
referrer: args.referrer,
},
buffer
)
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len)
const ix = new TransactionInstruction({ keys, programId, data })
return ix
}