49 lines
1.1 KiB
TypeScript
49 lines
1.1 KiB
TypeScript
import {
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Commitment,
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Connection,
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PublicKey,
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PublicKeyInitData,
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} from "@solana/web3.js";
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import { deriveAddress } from "../../utils";
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import {
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deriveEmitterSequenceKey,
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getSequenceTracker,
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SequenceTracker,
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} from "./sequence";
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export interface EmitterAccounts {
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emitter: PublicKey;
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sequence: PublicKey;
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}
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export function deriveWormholeEmitterKey(
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emitterProgramId: PublicKeyInitData
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): PublicKey {
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return deriveAddress([Buffer.from("emitter")], emitterProgramId);
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}
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export function getEmitterKeys(
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emitterProgramId: PublicKeyInitData,
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wormholeProgramId: PublicKeyInitData
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): EmitterAccounts {
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const emitter = deriveWormholeEmitterKey(emitterProgramId);
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return {
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emitter,
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sequence: deriveEmitterSequenceKey(emitter, wormholeProgramId),
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};
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}
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export async function getProgramSequenceTracker(
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connection: Connection,
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emitterProgramId: PublicKeyInitData,
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wormholeProgramId: PublicKeyInitData,
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commitment?: Commitment
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): Promise<SequenceTracker> {
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return getSequenceTracker(
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connection,
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deriveWormholeEmitterKey(emitterProgramId),
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wormholeProgramId,
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commitment
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);
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}
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