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@marinade.finance/kamino-sdk

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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 '@project-serum/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 UpdateOperationAccountArgs { param: number; keys: Array<PublicKey>; } export interface UpdateOperationAccountAccounts { /** Address to be set as operation account owner. */ owner: PublicKey; /** Initialize operation state account to store operation owner address and white list mint. */ operationState: PublicKey; systemProgram: PublicKey; } export const layout = borsh.struct([borsh.u8('param'), borsh.vec(borsh.publicKey(), 'keys')]); /** * Update the operation account * * # Arguments * * * `ctx`- The context of accounts * * `param`- The vaule can be 0 | 1 | 2 | 3, otherwise will report a error * * `keys`- update operation owner when the `param` is 0 * remove operation owner when the `param` is 1 * update whitelist mint when the `param` is 2 * remove whitelist mint when the `param` is 3 * */ export function updateOperationAccount(args: UpdateOperationAccountArgs, accounts: UpdateOperationAccountAccounts) { const keys: Array<AccountMeta> = [ { pubkey: accounts.owner, isSigner: true, isWritable: false }, { pubkey: accounts.operationState, isSigner: false, isWritable: true }, { pubkey: accounts.systemProgram, isSigner: false, isWritable: false }, ]; const identifier = Buffer.from([127, 70, 119, 40, 188, 227, 61, 7]); const buffer = Buffer.alloc(1000); const len = layout.encode( { param: args.param, keys: args.keys, }, buffer ); const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len); const ix = new TransactionInstruction({ keys, programId: PROGRAM_ID, data }); return ix; }