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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([3, 15, 172, 114, 200, 0, 131, 32]) export interface InitializeSharesMetadataArgs { name: string symbol: string uri: string } export interface InitializeSharesMetadataAccounts { vaultAdminAuthority: TransactionSigner vaultState: Address sharesMint: Address baseVaultAuthority: Address sharesMetadata: Address systemProgram: Address rent: Address metadataProgram: Address } export const layout = borsh.struct<InitializeSharesMetadataArgs>([ borsh.str("name"), borsh.str("symbol"), borsh.str("uri"), ]) export function initializeSharesMetadata( args: InitializeSharesMetadataArgs, accounts: InitializeSharesMetadataAccounts, remainingAccounts: Array<AccountMeta | AccountSignerMeta> = [], programAddress: Address = PROGRAM_ID ) { const keys: Array<AccountMeta | AccountSignerMeta> = [ { address: accounts.vaultAdminAuthority.address, role: 3, signer: accounts.vaultAdminAuthority, }, { address: accounts.vaultState, role: 0 }, { address: accounts.sharesMint, role: 0 }, { address: accounts.baseVaultAuthority, role: 0 }, { address: accounts.sharesMetadata, role: 1 }, { address: accounts.systemProgram, role: 0 }, { address: accounts.rent, role: 0 }, { address: accounts.metadataProgram, role: 0 }, ...remainingAccounts, ] const buffer = Buffer.alloc(1000) const len = layout.encode( { name: args.name, symbol: args.symbol, uri: args.uri, }, buffer ) const data = Buffer.concat([DISCRIMINATOR, buffer]).slice(0, 8 + len) const ix: Instruction = { accounts: keys, programAddress, data } return ix }