46 lines
1.3 KiB
TypeScript
46 lines
1.3 KiB
TypeScript
import type {Buffer} from 'buffer';
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import {PublicKey} from './publickey';
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import {Loader} from './loader';
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import type {Connection} from './connection';
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import type {Signer} from './keypair';
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export const BPF_LOADER_PROGRAM_ID = new PublicKey(
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'BPFLoader2111111111111111111111111111111111',
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);
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/**
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* Factory class for transactions to interact with a program loader
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*/
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export class BpfLoader {
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/**
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* Minimum number of signatures required to load a program not including
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* retries
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*
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* Can be used to calculate transaction fees
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*/
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static getMinNumSignatures(dataLength: number): number {
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return Loader.getMinNumSignatures(dataLength);
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}
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/**
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* Load a SBF program
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*
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* @param connection The connection to use
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* @param payer Account that will pay program loading fees
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* @param program Account to load the program into
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* @param elf The entire ELF containing the SBF program
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* @param loaderProgramId The program id of the BPF loader to use
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* @return true if program was loaded successfully, false if program was already loaded
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*/
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static load(
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connection: Connection,
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payer: Signer,
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program: Signer,
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elf: Buffer | Uint8Array | Array<number>,
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loaderProgramId: PublicKey,
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): Promise<boolean> {
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return Loader.load(connection, payer, program, loaderProgramId, elf);
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}
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}
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