*Rewrite to use kernel client library

*Use new IPFS API
This commit is contained in:
Derrick Hammer 2023-03-31 12:36:53 -04:00
parent db5f00241d
commit 19d6940a7e
Signed by: pcfreak30
GPG Key ID: C997C339BE476FF2
2 changed files with 70 additions and 88 deletions

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@ -4,13 +4,14 @@
"type": "module",
"main": "dist/index.js",
"dependencies": {
"is-ipfs": "^6.0.2",
"@lumeweb/libkernel-universal": "git+https://git.lumeweb.com/LumeWeb/libkernel-universal.git",
"libkernel": "^0.1.43",
"libkmodule": "^0.2.44"
"libkmodule": "^0.2.44",
"p-defer": "^4.0.0"
},
"devDependencies": {
"@types/node": "^18.0.6",
"libskynet": "^0.0.62",
"prettier": "^2.7.1"
"prettier": "^2.7.1",
"typescript": "^5.0.3"
}
}

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@ -1,90 +1,71 @@
import type { DataFn } from "libskynet";
import { ipnsPath, ipfsPath } from "is-ipfs";
import { Client, factory } from "@lumeweb/libkernel-universal";
import defer from "p-defer";
const IPFS_MODULE = "AQDr2iGYEiMKIdb14w7dxwxFYBo3LaYc0mAuRKXsF2w9OQ";
let callModule: any, connectModule: any;
async function loadLibs() {
if (callModule && connectModule) {
return;
interface AbortableGenerator {
abort: () => void;
iterable: AsyncGenerator<object>;
}
if (typeof window !== "undefined" && window?.document) {
const pkg = await import("libkernel");
callModule = pkg.callModule;
connectModule = pkg.connectModule;
} else {
const pkg = await import("libkmodule");
callModule = pkg.callModule;
connectModule = pkg.connectModule;
export class IPFSClient extends Client {
public async ready() {
return this.callModuleReturn("ready");
}
public async stat(cid: string) {
return this.callModuleReturn("stat");
}
public ls(cid: string): AbortableGenerator {
return this.connectModuleGenerator("ls", { cid });
}
public cat(cid: string): AbortableGenerator {
return this.connectModuleGenerator("cat", { cid });
}
public async ipns(cid: string): Promise<string> {
return this.callModuleReturn("ipnsResolve");
}
public async activePeers(): Promise<number> {
return this.callModuleReturn("getActivePeers");
}
private connectModuleGenerator(
method: string,
data: any
): AbortableGenerator {
const pipe = defer();
let done = false;
const [update, result] = this.connectModule(method, data, (item: any) => {
pipe.resolve(item);
});
(async () => {
const ret = await result;
done = true;
this.handleError(ret);
})();
return {
abort() {
update();
},
// @ts-ignore
iterable: async function* (): AsyncGenerator<object> {
// @ts-ignore
const iterator = (await pipe.promise)[Symbol.asyncIterator]();
for await (const value of iterator) {
yield value as object;
}
},
};
}
}
export async function refreshGatewayList() {
const [resp, err] = await doCall("refreshGatewayList");
if (err) {
throw new Error(err);
}
return resp;
}
export async function fetchIpfs(
hash: string,
path = "",
receiveUpdate: DataFn
) {
if (!ipfsPath(`/ipfs/${hash}`)) {
throw new Error("Invalid hash");
}
return doFetch("fetchIpfs", { hash, path }, receiveUpdate);
}
export async function statIpfs(hash: string, path = "") {
if (!ipfsPath(`/ipfs/${hash}`)) {
throw new Error("Invalid hash");
}
return doFetch("statIpfs", { hash, path });
}
export async function fetchIpns(
hash: string,
path = "",
receiveUpdate: DataFn
) {
if (!ipnsPath(`/ipns/{${hash}`)) {
throw new Error("Invalid hash");
}
return doFetch("fetchIpns", { hash, path }, receiveUpdate);
}
export async function statIpns(hash: string, path = "") {
if (!ipnsPath(`/ipns/{${hash}`)) {
throw new Error("Invalid hash");
}
return doFetch("statIpns", { hash, path });
}
async function doFetch(method: string, data: any, receiveUpdate?: DataFn) {
let [resp, err] = await doCall(method, data, receiveUpdate);
if (typeof err?.then === "function") {
[resp, err] = await err;
}
if (err) {
throw new Error(err);
}
return resp;
}
async function doCall(method: string, data?: any, receiveUpdate?: DataFn) {
await loadLibs();
if (receiveUpdate) {
return connectModule(IPFS_MODULE, method, data, receiveUpdate);
}
return callModule(IPFS_MODULE, method, data);
}
export const createClient = factory<IPFSClient>(
IPFSClient,
"_AkimjN5qo5cYklxdBNszsxh6VXgypNZVq4zk_BIS3s76A"
);