How to Reveal your NFT later on Opensea using ERC1155 contract
Channel: Neha Yadav
Date: 01/01/2022

How to Reveal your NFT later on Opensea using ERC1155 contract

Code: https://github.com/neha01/NFT

Find the NFT's that we created in this video on Opensea:
https://testnets.opensea.io/collection/pokemon-collection-v3

Other video with complete code walktrough:
(Mint 10000 NFT's on Polygon Mainnet with ERC1155 contract | Sell on Opensea | Full Code Walkthrough)
https://youtu.be/KbhiAaRdgwc

Timestamps:
0:00 : Intro
0:32 : Cloning the repo 
2:50 : Uploading placeholder images folder to Pinata
6:23 : Generating metadata files with script
10:14 : Uploading placeholder metadata folder to Pinata
10:39 : Deploying contract with Remix editor and metamask
14:05 : Minting NFT  with ERC1155 contract
17:38 : Fixing a bug in script & reuploading placeholder images & new metadata folder
22:07 : Checking our placeholder NFT's on Opensea
22:24 : Uploading final images to reveal & its metadata folder to Pinata
23:59 : Setting new URI by calling setURI function on deployed contract
24:46 : Refreshing metadata on Opensea
26:56 : Checking out our Revealed NFT's on Opensea  🥰🎉

Resources:
Install Node:
https://nodejs.org/en/
Install VSCode:
https://code.visualstudio.com/download
Launch VSCode from commandline:
https://stackoverflow.com/questions/29971053/how-to-open-visual-studio-code-from-the-command-line-on-osx
Install Metamask:
https://chrome.google.com/webstore/detail/metamask/nkbihfbeogaeaoehlefnkodbefgpgknn/related
Remix Editor:
https://remix.ethereum.org/
Get Test Ether for Rinkeby:
https://faucet.rinkeby.io/
ERC1155 Token standard:
https://ethereum.org/en/developers/docs/standards/tokens/erc-1155/
Polygon Mainnet & Mumbai testnet Config for Metamask:
https://docs.polygon.technology/docs/develop/metamask/config-polygon-on-metamask/
Opensea Validate metadata endpoint:
https://testnets-api.opensea.io/asset/your_contract_address/your_token_id/validate/ 
https://api.opensea.io/asset/your_contract_address/your_token_id/validate/  (mainnet)
Polygon Mumbai testnet Faucet:
https://faucet.polygon.technology/

Some Books worth your time:
Mastering Bitcoin: https://amzn.to/3pJqxEL
Mastering Ethereum: https://amzn.to/3zfSo2y

Connect with Me:
Github: https://github.com/neha01
Twitter: https://twitter.com/nehay01
Instagram: https://www.instagram.com/nehathinks/
Gmail: neha.yadav.channel@gmail.com