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Instead of polling the OpenSea API, this bot connects to an Infura websocket channel, subscribing to the collection's contract address events.

It filters those events based on standardERC-721,ERC-1155 token transfer signature logs.

If the transaction's recipient matches the contract address of one of the popular NFT marketplaces on Ethereum, it will extract the token's metadata and post it to a Discord channel.

Currently supporting:

• OpenSea
• LooksRare
• x2y2

Built with 💙 and:

• NinjaWebSocket - Lightweight, user-friendly WebSocket APIs
• Netherum.ABI - Encode/Decode event log topics & data

// You can either configure:// - channel id + bot token// - webhook URL (recommended option: restricts the bot to post to the specified channel)varbot=newNinjaBot(newNinjaBotOptions{DiscordBotToken="<discord_bot_token>",DiscordChannelId="<discord_channel_id>",DiscordWebhookUrl="<discord_webhook_url>",CollectionContractAddress="<collection_contract_address>",InfuraApiKey="<infura_api_key>"});awaitbot.StartAsync();