@atomiqlabs/sdk
Version:
atomiq labs SDK for cross-chain swaps between smart chains and bitcoin
61 lines (60 loc) • 1.94 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.FileSystemStorageManager = void 0;
const fs = require("fs/promises");
/**
* StorageManager using local filesystem to persists data, creates a new file for every save object
*/
class FileSystemStorageManager {
constructor(directory) {
this.data = {};
this.directory = directory;
}
async init() {
try {
await fs.mkdir(this.directory);
}
catch (e) { }
}
async saveData(hash, object) {
try {
await fs.mkdir(this.directory);
}
catch (e) { }
this.data[hash] = object;
const cpy = object.serialize();
await fs.writeFile(this.directory + "/" + hash + ".json", JSON.stringify(cpy));
}
async removeData(hash) {
const paymentHash = hash;
try {
if (this.data[paymentHash] != null)
delete this.data[paymentHash];
await fs.rm(this.directory + "/" + paymentHash + ".json");
}
catch (e) {
console.error("FileSystemStorageManager: removeData(): Error: ", e);
}
}
async loadData(type) {
let files;
try {
files = await fs.readdir(this.directory);
}
catch (e) {
console.error("FileSystemStorageManager: loadData(): Error: ", e);
return [];
}
const arr = [];
for (let file of files) {
const paymentHash = file.split(".")[0];
const result = await fs.readFile(this.directory + "/" + file);
const obj = JSON.parse(result.toString());
const parsed = new type(obj);
arr.push(parsed);
this.data[paymentHash] = parsed;
}
return arr;
}
}
exports.FileSystemStorageManager = FileSystemStorageManager;