How to Deploy an Item Collection Contract in Sequence Builder
This guide provides a detailed walkthrough on setting up and deploying a Web3 Game Item contract in Builder. It discusses the differences between ERC721 and ERC1155 contracts, walks through the steps of deploying a contract.
This guide walks through how to setup and deploy a Web3 Game Item contract in Builder.
Prerequisite: Create a Project
This guide assumes that you have already signed up for Builder and created a Project.
ERC721 vs. ERC1155
Both contracts mint NFTs, but ERC721, being the earlier standard, has gained widespread adoption, particularly in digital collectibles. Known for its simplicity and ease to audit for security, ERC721 tokens are distinct, contributing to their recognition in various NFT marketplaces. Typically you would use an ERC721 contract if: you’re dealing with the single same asset, multiplied, or a multiplicity of 1 item with many in a collection
Example ERC721: Azuki
In contrast, ERC1155 offers versatility with efficient batch operations for both fungible and non-fungible tokens in a single contract, where typically you would be dealing with a multiplicity of a many items to many quanties relationship. However, this flexibility introduces complexity, necessitating careful security attention.
Example ERC1155: Skyweaver
Step 1: Navigate to contracts
Start by selecting your project in the top left and corner for what you want to create the collectible for, and head to the contracts section and select + Deploy new contract
Step 2: Choose your collectible type
Then make your choice of Web3 Game Item Collection (ERC1155) or NFT Collection (ERC721), for this example we’ll walk you through a Web3 Game Item Collection (ERC1155)
The only difference in deployment between an ERC1155 vs ERC721 is that you
add a symbol to an ERC721 NFT Collection
Step 3: Specify contract details
Complete the contract details by specifying a Contract Name and Owner for your contract, with the option to input Royalties. Make sure the Owner address is the Sequence Wallet in the top-right hand corner and that you have funds in this wallet on mainnet, otherwise on testnet - we sponsor these transactions for you.
Note:
While you can change the name later in the builder interface where it will update across the sequence stack, popular explorers do not reindex the information, so what you put first remains
Step 4: Deploy your contract
Deploy your contract from the popup window at http://sequence.app/sign-transaction, and sign the message by selecting confirm
All testnets will be free to transact on.
Optional: Add a Minter Role to the contract
Sequence contracts have Access Control options by default. In some cases, you may want to grant a specific address permissions in order to call various functions such as mint().
First start by selecting your contract you just deployed in the contracts section
Next, head to the Write Contract section
In the grantRole section of the write contract tab navigation
Complete with the following details:
bytes32 role: 0x9f2df0fed2c77648de5860a4cc508cd0818c85b8b8a1ab4ceeef8d981c8956a6
address account: <Wallet Address>
Where the wallet address is the address that you would like to give permissions to mint to, specifically any Sequence wallet.
Complete by selecting write and signing the transaction in the popup window, like before
With a confirmation message showing Response Success
The role string inputted is the result of solidityPackedKeccak256("MINTER_ROLE") in
solidity or ethers.solidityPackedKeccak256(ethers.toUtf8Bytes("MINTER_ROLE"))
in javascript
It’s a typical pattern to use offchain compute like a cloudflare worker with a relayer wallet sending transactions, which would be inputted in the account field, more on how to accomplish this here
Step 6: Mint tokens to your wallet address
Navigate to the mint card in the Write Contract section and input the to being the wallet address you would like to receive the token to, the tokenId (typically starting at 0), and amount of tokens, and finally the data section you can just input 0x00, which typically represent Additional data with no specified format.
Step 7: Confirm your minted collectible
And you’re done!
You can view the transactions submitted to the blockchain for your wallet address in the Transactions tab navigation
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