[WIP] ArtGPT! (v0) #503
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| Original file line number | Diff line number | Diff line change |
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| import { Message, EmbedBuilder } from 'discord.js' | ||
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| import { PineconeClient } from '@pinecone-database/pinecone' | ||
| import { VectorDBQAChain } from 'langchain/chains' | ||
| import { OpenAIEmbeddings } from 'langchain/embeddings/openai' | ||
| import { OpenAIChat } from 'langchain/llms/openai' | ||
| import { PineconeStore } from 'langchain/vectorstores/pinecone' | ||
| import { VectorOperationsApi } from '@pinecone-database/pinecone/dist/pinecone-generated-ts-fetch' | ||
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| // LLM Environment Variables | ||
| const PINECONE_API_KEY = process.env.PINECONE_API_KEY | ||
| const PINECONE_ENV = process.env.PINECONE_ENV | ||
| const PINECONE_INDEX_NAME = process.env.PINECONE_INDEX_NAME | ||
| // NOTE: OPENAI_API_KEY is not needed to be imported directly, | ||
| // but it is assumed by Langchain to be available in `process.env` | ||
| // so must be present in the .`env` file. | ||
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| // ArtBot username | ||
| const ARTBOT_USERNAME = 'artbot' | ||
| const ARTBOT_MAX_CHARS_RESPONSE = 4000 | ||
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| // Discord consts | ||
| const DISCORD_TEST_SERVER_ID = '785144843986665472' | ||
| const DISCORD_INC_SERVER_ID = '822311470133542912' | ||
| const DISCORD_INC_ARTGPT_CHANNEL_ID = '1103051072756519012' | ||
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| // Color consts | ||
| const ARTBOT_GREEN = 0x00ff00 | ||
| const ARTBOT_WARNING = 0xffff00 | ||
| const ARTBOT_ERROR = 0xff0000 | ||
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| // Rate limit constants | ||
| const MAX_REQUESTS_PER_HOUR = 50 | ||
| const HOUR_IN_MILLISECONDS = 3600000 | ||
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| /** | ||
| * Bot for handling GPT-3.5 powered requests. | ||
| */ | ||
| export class ArtGPTBot { | ||
| queryString = '?artgpt' | ||
| lastRequestTimestamp: number | ||
| currentRequestCount: number | ||
| isLangChainWarmedUp: boolean | ||
| model: OpenAIChat | ||
| pineconeClient: PineconeClient | ||
| pineconeIndex: VectorOperationsApi | undefined // Initialized async | ||
| vectorStore: PineconeStore | undefined // Initialized async | ||
| langChain: VectorDBQAChain | undefined // Initialized async | ||
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| constructor() { | ||
| this.lastRequestTimestamp = Date.now() | ||
| this.currentRequestCount = 0 | ||
| // expect this to be set to `true` within initializeLangchain() | ||
| this.isLangChainWarmedUp = false | ||
| this.model = new OpenAIChat({ | ||
| modelName: 'gpt-3.5-turbo', // With valid API keys can also use 'gpt-4' | ||
| temperature: 0, | ||
| prefixMessages: [ | ||
| { | ||
| role: 'system', | ||
| content: ` | ||
| You are an software integration and project support assistant for | ||
| Art Blocks artists and Art Blocks Engine integration partners. | ||
| You have been trained on github repositories containing the Art Blocks | ||
| Solidity smart contracts and the documentation that covers: these smart | ||
| contracts, the Art Blocks APIs (for token metadata, live rendering, etc.), | ||
| and the processes for using these APIs, contracts, and tools. | ||
| `, | ||
| }, | ||
| ], | ||
| }) | ||
| this.pineconeClient = new PineconeClient() | ||
| this.initializeLangchain() | ||
| } | ||
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| /** | ||
| * Helper to initialize langchain setup. | ||
| */ | ||
| async initializeLangchain() { | ||
|
There was a problem hiding this comment. Hmm i think an essential part of this is that people should be able to run/develop artbot still without needing to have these new GPT env vars set. Looking at the deployment, it seems langchain is throwing an error due to no OpenAI API key and crashing the whole program Can you please make sure this fails gracefully when no env vars are set? |
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| // Validity check the environment variables | ||
| if (!PINECONE_API_KEY) { | ||
| console.error('PINECONE_API_KEY not found in environment variables.') | ||
| return | ||
| } | ||
| if (!PINECONE_ENV) { | ||
| console.error('PINECONE_ENV not found in environment variables.') | ||
| return | ||
| } | ||
| if (!PINECONE_INDEX_NAME) { | ||
| console.error('PINECONE_INDEX_NAME not found in environment variables.') | ||
| return | ||
| } | ||
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| // Initialize langchain setup | ||
| await this.pineconeClient.init({ | ||
| apiKey: PINECONE_API_KEY, | ||
| environment: PINECONE_ENV, | ||
| }) | ||
| const pineconeIndex = this.pineconeClient.Index(PINECONE_INDEX_NAME) | ||
| this.pineconeIndex = pineconeIndex | ||
| this.vectorStore = await PineconeStore.fromExistingIndex( | ||
| new OpenAIEmbeddings(), | ||
| { pineconeIndex } | ||
| ) | ||
| this.langChain = VectorDBQAChain.fromLLM(this.model, this.vectorStore, { | ||
| k: 2, // This is the number of documents to include as context (4 is default). | ||
| returnSourceDocuments: true, | ||
| }) | ||
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| // We are now warmed up! | ||
| this.isLangChainWarmedUp = true | ||
| } | ||
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| /** | ||
| * Helper to determine if the bot is currently rate-limited. | ||
| */ | ||
| isRateLimited(): boolean { | ||
| // Check if we're in a new hour | ||
| if (Date.now() - this.lastRequestTimestamp > HOUR_IN_MILLISECONDS) { | ||
| // If so, reset the request count | ||
| this.lastRequestTimestamp = Date.now() | ||
| this.currentRequestCount = 0 | ||
| } | ||
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| // Increment the request count | ||
| this.currentRequestCount++ | ||
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| // Check if we're over the request limit | ||
| return this.currentRequestCount >= MAX_REQUESTS_PER_HOUR | ||
| } | ||
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| /** | ||
| * Helper to determine if the bot is being queries in valid server and channel. | ||
| */ | ||
| inValidServerChannel(msg: Message): boolean { | ||
| const serverID = msg.guild ? msg.guild.id : '' | ||
| const channelID = msg.channel ? msg.channel.id : '' | ||
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| // For now, we only handle messages in the Inc and test servers | ||
| if (serverID == DISCORD_TEST_SERVER_ID) { | ||
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| // Handle all messages in the test server | ||
| return true | ||
| } else if (serverID == DISCORD_INC_SERVER_ID) { | ||
| // Only handle messages in the specified #artgpt channel | ||
| if (channelID == DISCORD_INC_ARTGPT_CHANNEL_ID) { | ||
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| return true | ||
| } | ||
| } | ||
| return false | ||
| } | ||
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| /** | ||
| * Send an embed reply to a message. | ||
| * @param msg The message to reply to. | ||
| */ | ||
| async handleRequest(msg: Message) { | ||
| /* | ||
| * NOTE: It is important to check if the message author is the ArtBot | ||
| * Itself to avoid a recursive infinite loop. | ||
| */ | ||
| if (msg.author.username == ARTBOT_USERNAME) { | ||
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| return null | ||
| } | ||
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| const content = msg.content | ||
| const query = content.substring(this.queryString.length + 1, content.length) | ||
| if (this.inValidServerChannel(msg) === false) { | ||
| // Validate server / channel | ||
| this.sendWarningReply( | ||
| msg, | ||
| "I'm sorry, I'm not currently available in this server / channel." | ||
| ) | ||
| return | ||
| } else if (content.length <= this.queryString.length) { | ||
| // Validate request format | ||
| this.sendWarningReply( | ||
| msg, | ||
| `Invalid format, enter ${this.queryString} followed by the query for ArtGPT.` | ||
| ) | ||
| return | ||
| } else if (!this.isLangChainWarmedUp || !this.langChain) { | ||
| // Validate warm-up | ||
| const message = ` | ||
| I'm sorry, I'm still warming up. | ||
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| Please try again in a few minutes. | ||
| ` | ||
| this.sendWarningReply(msg, message) | ||
| return | ||
| } else if (this.isRateLimited() === true) { | ||
| // Validate rate-limit | ||
| const message = ` | ||
| I'm sorry, I'm rate-limited right now. | ||
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| I currently can only process ${MAX_REQUESTS_PER_HOUR} requests per hour. | ||
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| Please try again later. | ||
| ` | ||
| this.sendWarningReply(msg, message) | ||
| return | ||
| } else { | ||
| // Give a "I'm thinking response" while we wait for the response. | ||
| this.sendEmbedReply( | ||
| msg, | ||
| ARTBOT_GREEN, | ||
| "Your question has been recieved! I'm working on an answer..." | ||
| ) | ||
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| // Query the langchain | ||
| let response | ||
| try { | ||
| response = await this.langChain.call({ query: query }) | ||
| } catch (error) { | ||
| console.error(`Error calling langchain: ${JSON.stringify(error)}`) | ||
| console.error( | ||
| `Error response data: ${JSON.stringify(error.response?.data)}` | ||
| ) | ||
| this.sendErrorReply(msg) | ||
| return | ||
| } | ||
| const sourceDocuments = response.sourceDocuments | ||
| const sourceLocations = sourceDocuments.map((doc: any) => ({ | ||
| repoName: doc.metadata.repoName, | ||
| fileName: doc.metadata.fileName, | ||
| })) | ||
| let sourceLocationsString = '' | ||
| sourceLocations.forEach((location: any) => { | ||
| sourceLocationsString += ` | ||
| - ${location.fileName} in ${location.repoName} | ||
| ` | ||
| }) | ||
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| // Summarize response to be less than ARTBOT_MAX_CHARS_RESPONSE if it is too long. | ||
| if ( | ||
| response.text.length + sourceLocationsString.length > | ||
| ARTBOT_MAX_CHARS_RESPONSE | ||
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| ) { | ||
| console.log('Summarizing response...') | ||
| try { | ||
| response = await this.langChain.call({ | ||
| query: ` | ||
| Please summarize the following response to be less than ${ | ||
| ARTBOT_MAX_CHARS_RESPONSE - sourceLocationsString.length | ||
| } characters: | ||
| --- | ||
| ${query} | ||
| `, | ||
| }) | ||
| } catch (error) { | ||
| console.error(`Error summarizing with langchain: ${error}`) | ||
| this.sendErrorReply(msg) | ||
| return | ||
| } | ||
| } | ||
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| // Provide the real response. | ||
| const message = ` | ||
| *NOTE: I am still in beta, my answers may be wrong.* | ||
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| ${response.text} | ||
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| --- | ||
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| *Source Documents:* | ||
| ${sourceLocationsString} | ||
| ` | ||
| this.sendEmbedReply(msg, ARTBOT_GREEN, message) | ||
| } | ||
| } | ||
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| /** | ||
| * Send an embed reply to a message. | ||
| * @param msg The message to reply to. | ||
| * @param title The title of the embed. | ||
| * @param color The color of the embed. | ||
| * @param description The description of the embed. | ||
| */ | ||
| async sendEmbedReply(msg: Message, color: number, description: string) { | ||
| const embed = new EmbedBuilder() | ||
| .setTitle(this.queryString) | ||
| .setColor(color) | ||
| .setDescription(description) | ||
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| await msg.reply({ embeds: [embed] }) | ||
| } | ||
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| /** | ||
| * Send an warning reply to a message. | ||
| * @param msg The message to reply to. | ||
| */ | ||
| async sendWarningReply(msg: Message, warning: string) { | ||
| this.sendEmbedReply(msg, ARTBOT_WARNING, warning) | ||
| } | ||
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| /** | ||
| * Send an error reply to a message. | ||
| * @param msg The message to reply to. | ||
| */ | ||
| async sendErrorReply(msg: Message) { | ||
| this.sendEmbedReply( | ||
| msg, | ||
| ARTBOT_ERROR, | ||
| "I'm sorry, I encountered an error. Please try again later." | ||
| ) | ||
| } | ||
| } | ||
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I imagine this will be included in the remaining config changes you mentioned, but these should be pulled from the
channels.json- perhaps we can add an optional field for channels where we want this enabled?There was a problem hiding this comment.
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Yeah that's a good point – we definitely could add this information to be exposed via
projectConfig.tsrather than being inline directly, is that your suggestion/preference @grantoesterling ? I don't have a strong opinion on this.