Smart Contract | Extensions

Improving the base functionalities of smart contract standards with Extensions.

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Pausable

Pause token transfers, minting and burning.

Get pausable state of the smart contract.

Curl

curl -X GET "http://0.0.0.0:7000/nftkit/nft/extensions/chain/MUMBAI/contract/0xf277BE034881eE38A9b270E5b6C5c6f333Af2517/paused" \

• Path parameter:

chain: chain to work with.

Main chains: ETHEREUM, POLYGON

Testnet chains: SEPOLIA, GOERLI, MUMBAI, SHIMMEREVM

contract: smart contract address

Pause smart contract

Curl

curl -X POST "http://0.0.0.0:7000/nftkit/nft/extensions/chain/MUMBAI/contract/0xf277BE034881eE38A9b270E5b6C5c6f333Af2517/pause" \

• Path parameter:

chain: chain to work with.

Main chains: ETHEREUM, POLYGON

Testnet chains: SEPOLIA, GOERLI, MUMBAI

contract: smart contract address

Unpause smart contract

Curl

curl -X POST "http://0.0.0.0:7000/nftkit/nft/extensions/chain/MUMBAI/contract/0xf277BE034881eE38A9b270E5b6C5c6f333Af2517/unpause" -H  

• Path parameter:

chain: chain to work with.

Main chains: ETHEREUM, POLYGON

Testnet chains: SEPOLIA, GOERLI, MUMBAI, SHIMMEREVM

contract: smart contract address

Burnable

Pause token burning.

Get burnable state of the smart contract.

Curl

curl -X GET "http://0.0.0.0:7000/nftkit/nft/extensions/chain/MUMBAI/contract/0xf277BE034881eE38A9b270E5b6C5c6f333Af2517/burnable"

• Path parameter:

chain: chain to work with.

Main chains: ETHEREUM, POLYGON

Testnet chains: SEPOLIA, GOERLI, MUMBAI, SHIMMEREVM

contract: smart contract address

Activate/Deactivate burnable feature.

Curl

curl -X POST "http://0.0.0.0:7000/nftkit/nft/extensions/chain/MUMBAI/contract/0xf277BE034881eE38A9b270E5b6C5c6f333Af2517/burnable" \
-H  "Content-Type: application/json" \
-d '{"burnable":false}'

• Path parameter:

chain: chain to work with.

Main chains: ETHEREUM, POLYGON

Testnet chains: SEPOLIA, GOERLI, MUMBAI, SHIMMEREVM

contract: smart contract address

Request body details

{
  "burnable": true
}

• burnable: [boolean] set to true if you want to activate the burn token feature and false if not.

Burn an NFT token.

Curl

curl -X DELETE "http://0.0.0.0:7000/nftkit/nft/extensions/chain/MUMBAI/contract/0xf277BE034881eE38A9b270E5b6C5c6f333Af2517/token/1" 

• Path parameter:

chain: chain to work with.

Main chains: ETHEREUM, POLYGON

Testnet chains: SEPOLIA, GOERLI, MUMBAI, SHIMMEREVM

contract: smart contract address

token: token ID

Update NFT metadata

Curl

curl -X PUT "http://0.0.0.0:7000/nftkit/nft/extensions/chain/MUMBAI/contract/0xf277BE034881eE38A9b270E5b6C5c6f333Af2517/token/1/tokenURI?signedAccount=0x6E7448a6335d5C947953994d071D4Dc1F6e5BE96" \
-H  "Content-Type: application/json" \
-d '{"metadataUri":"string","metadata":{"description":"string","name":"string","image":"string","image_data":"string","external_url":"string","attributes":[{"trait_type":"string","value":"string"}]}}'

• Path parameter:

chain: chain to work with.

Main chains: ETHEREUM, POLYGON

Testnet chains: SEPOLIA, GOERLI, MUMBAI, SHIMMEREVM

contract: smart contract address

token: token ID

signedAccount: the account used to sign the transaction.

Request body details

{
  "metadataUri": "string",
  "metadata": {
    "description": "string",
    "name": "string",
    "image": "string",
    "image_data": "string",
    "external_url": "string",
    "attributes": [
      {
        "trait_type": "string",
        "value": "string"
      }
    ]
  }

• metadataUri: [string] metadata URI of the token.If you want to generate metadata URI using NFT KIT, set the "metadataUri "value as an empty string.

• metadata: NFT KIT will use values inside metadata to generate metadata URI of the token. It confirms the structure defined by ERC721 and ERC1155 standards. For more details about NFT metadata standard.
• description: [string] a description of the token

• name: [string] the name of this specific token

• image: [string] this is the URL to the image of the item. Can be just about any type of image and can be IPFS URLs or paths.

• image_data: [string] Raw SVG image data, if you want to generate images on the fly (not recommended). Only use this if you're not including the image parameter.

• external_url: [string] This is the URL that will appear below the asset's image on OpenSea and will allow users to leave OpenSea and view the item on your site.

• attributes: [string] To give your items a little more pizazz, we also allow you to add custom "attributes" to your metadata that will show up underneath each of your assets.

• trait_type: [string] the name of the trait

• value: [string] the value of the trait