Svelte / SvelteKit

1import { writable } from 'svelte/store'
2import { Buff } from 'buff-protocol-sdk'
3
4export const buffInstance = writable<Buff | null>(null)
5
6export async function initBuff(
7  pubkey: string,
8  signMessage: (msg: Uint8Array) => Promise<Uint8Array>,
9  apiKey: string
10) {
11  const buff = new Buff({
12    apiKey,
13    plan: 'sprout',
14    investInto: 'BTC',
15  })
16
17  // Authenticate with wallet signature
18  const msg = new TextEncoder().encode('Sign in to Buff')
19  const sig = await signMessage(msg)
20  buff.setWalletAuth(pubkey, Buffer.from(sig).toString('base64'))
21
22  buffInstance.set(buff)
23}