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Hathor Network NFTs

Instantiate the Cryptum SDK first:
const sdk = new CryptumSdk({
environment: 'testnet',
apiKey: 'YOUR-API-KEY',
})

Create NFT

Create a new NFT in Hathor blockchain.
*Obs: In Hathor, you will always spend 1% of the amount of tokens you are minting in HTR, that is, to mint 1000 tokens you need to spend 10 HTR.
sdk.nft.create(opts)
  • opts.protocol (string)(required) - blockchain protocol must be HATHOR.
  • opts.wallet (Wallet)(required) - wallet to sign the transaction with.
  • opts.name (string)(required) - token name.
  • opts.symbol (string)(required) - token symbol.
  • opts.amount (string)(required) - token amount to be first minted.
  • opts.uri (string)(required) - metadata URI string.
  • opts.mintAuthorityAddress (string)(optional) - wallet address to be the mint authority. Required if you want to mint more tokens later.
  • opts.meltAuthorityAddress (string)(optional) - wallet address to be the melt authority. Required if you want to burn tokens later.
This function returns the transaction hash which is also the token UID (token identifier).
const { hash } = await sdk.nft.create({
protocol: 'HATHOR',
wallet,
symbol: 'NFT',
name: 'NFT',
amount: '1000000',
uri: 'ipfs://....',
mintAuthorityAddress: 'address...',
meltAuthorityAddress: 'address...',
})

Transfer NFTs

Transfer NFTs in Hathor is the same as any other tokens. See how to transfer here in token transfers​

Mint NFTs

Mint more NFTs.
*Obs: In Hathor, you will always spend 1% of the amount of tokens you are minting in HTR, that is, to mint 1000 tokens you need to spend 10 HTR.

sdk.nft.mint(opts)

  • opts.protocol (string)(required) - blockchain must be HATHOR.
  • opts.wallet (Wallet)(required) - wallet minting tokens.
  • opts.tokenUid (string)(required) - token identifier to be minted.
  • opts.amount (string)(required) - token amount to be minted.
  • opts.destination (string)(required) - destination wallet address to receive the minted tokens.
  • opts.mintAuthorityAddress (string)(optional) - wallet address to be the mint authority. Required if you want to mint more tokens later.
This function returns the hash of this minting transaction from the blockchain.
// Mint 100 NFTs
const { hash } = await sdk.nft.mint({
protocol: 'HATHOR',
wallet,
token: '00000...',
destination: 'WmpvgigZ4pNVLRPW2...sbK8pyV45WtP',
amount: '100',
mintAuthorityAddress: 'address...',
})

Melt NFTs

Melt (burn) NFTs in Hathor blockchain.

sdk.nft.burn(opts)

  • opts.protocol (string)(required) - blockchain must be HATHOR.
  • opts.wallet (Wallet)(required) - wallet to sign the transaction with.
  • opts.tokenUid (string)(required) - token identifier to be burnt.
  • opts.amount (string)(required) - token amount to be burnt.
  • opts.meltAuthorityAddress (string)(optional) - wallet address to be the melt authority. Required if you want to melt more tokens later.
This function returns hash of the burning transaction from the blockchain.
// burn 5 NFTs
const { hash } = await sdk.nft.burn({
protocol: 'HATHOR',
wallet,
token: '000000...',
amount: '5',
meltAuthorityAddress: 'address...',
})