서비스 비교

import { S3Client, PutObjectCommand } from "@aws-sdk/client-s3";

const s3Client = new S3Client({
endpoint: "https://my-bucket.storage.nami.cloud",
credentials: {
accessKeyId: "your-access-key",
secretAccessKey: "your-secret-key"
}
});

// 파일 업로드 - 표준 S3 API
await s3Client.send(new PutObjectCommand({
Bucket: "my-bucket",
Key: "file.jpg",
Body: fileBuffer
}));

// Walrus 퍼블리셔에 대한 직접 HTTP API 호출
const endpointKey = 'your-endpoint-key';
const response = await fetch(
  `https://walrus-mainnet-publisher.nami.cloud/${endpointKey}/v1/blobs?epochs=5`, 
  {
    method: 'PUT',
    body: fileBuffer
  }
);

const result = await response.json();
if (result.newlyCreated) {
  console.log(`저장 위치: ${result.newlyCreated.blobObject.blobId}`);
  console.log(`유효 기간: ${result.newlyCreated.blobObject.storage.endEpoch}`);
  console.log(`스토리지 비용: ${result.newlyCreated.cost}`);
} else if (result.alreadyCertified) {
  console.log(`이미 존재함: ${result.alreadyCertified.blobId}`);
  console.log(`유효 기간: ${result.alreadyCertified.endEpoch}`);
}