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Separate NodeJS demo, switch to Krasnodar

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folex
2021-08-12 17:48:50 +03:00
parent fcfe06768d
commit b0e726cc92
11 changed files with 9726 additions and 286 deletions
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45
aqua-examples/aqua-ipfs-integration/nodejs/provider.ts Normal file
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import { create, CID }from 'ipfs-http-client';
import { AddResult } from 'ipfs-core-types/src/root';
import { Multiaddr, protocols } from 'multiaddr';
import { get_external_swarm_multiaddr, get_external_api_multiaddr } from "@fluencelabs/aqua-ipfs-ts";
import { FluenceClient } from "@fluencelabs/fluence";
export async function provideFile(source: any, provider: FluenceClient): Promise<{ file: AddResult, swarmAddr: string, rpcAddr: string }> {
var swarmAddr;
var result = await get_external_swarm_multiaddr(provider, provider.relayPeerId!, { ttl: 20000 });
if (result.success) {
swarmAddr = result.multiaddr;
} else {
console.error("Failed to retrieve external swarm multiaddr from %s: ", provider.relayPeerId);
throw result.error;
}
var rpcAddr;
var result = await get_external_api_multiaddr(provider, provider.relayPeerId!);
if (result.success) {
rpcAddr = result.multiaddr;
} else {
console.error("Failed to retrieve external api multiaddr from %s: ", provider.relayPeerId);
throw result.error;
}
var rpcMaddr = new Multiaddr(rpcAddr).decapsulateCode(protocols.names.p2p.code);
// HACK: `as any` is needed because ipfs-http-client forgot to add `| Multiaddr` to the `create` types
const ipfs = create(rpcMaddr as any);
console.log("📗 created ipfs client to %s", rpcMaddr);
await ipfs.id();
console.log("📗 connected to ipfs");
const file = await ipfs.add(source);
console.log("📗 uploaded file:", file);
// To download the file, uncomment the following code:
// let files = await ipfs.get(file.cid);
// for await (const file of files) {
// const content = uint8ArrayConcat(await all(file.content));
// console.log("📗 downloaded file of length ", content.length);
// }
return { file, swarmAddr, rpcAddr };
}