@marinade.finance/kamino-sdk
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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 '@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;
}