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ERC721 Signature Minting

You can access this interface from the NFT Collection contract under the signature interface.

type ERC721SignatureMinting struct {}

func (*ERC721SignatureMinting) Generate​

func (signature *ERC721SignatureMinting) Generate(ctx context.Context, payloadToSign *Signature721PayloadInput) (*SignedPayload721, error)

Generate a new payload from the given data​

payloadToSign: the payload containing the data for the signature mint

returns: the payload signed by the minter's private key

Example​

payload := &thirdweb.Signature721PayloadInput{
    To:                   "0x9e1b8A86fFEE4a7175DAE4bDB1cC12d111Dcb3D6", // address to mint to
    Price:                0,                                            // cost of minting
    CurrencyAddress:      "0x0000000000000000000000000000000000000000", // currency to pay in order to mint
    MintStartTime:        0,                                            // time where minting is allowed to start (epoch seconds)
    MintEndTime:          100000000000000,                              // time when this signature expires (epoch seconds)
    PrimarySaleRecipient: "0x0000000000000000000000000000000000000000", // address to receive the primary sales of this mint
    Metadata: &thirdweb.NFTMetadataInput{                                                               // metadata of the NFT to mint
        Name:  "ERC721 Sigmint!",
    },
    RoyaltyRecipient: "0x0000000000000000000000000000000000000000",     // address to receive royalties of this mint
    RoyaltyBps:       0,                                                // royalty cut of this mint in basis points
}

signedPayload, err := contract.Signature.Generate(payload)

func (*ERC721SignatureMinting) GenerateBatch​

func (signature *ERC721SignatureMinting) GenerateBatch(ctx context.Context, payloadsToSign []*Signature721PayloadInput) ([]*SignedPayload721, error)

Generate a batch of new payload from the given data​

payloadToSign: the payloads containing the data for the signature mint

returns: the payloads signed by the minter's private key

Example​

payload := []*thirdweb.Signature721PayloadInput{
    &thirdweb.Signature721PayloadInput{
        To:                   "0x9e1b8A86fFEE4a7175DAE4bDB1cC12d111Dcb3D6",
        Price:                0,
        CurrencyAddress:      "0x0000000000000000000000000000000000000000",
        MintStartTime:        0,
        MintEndTime:          100000000000000,
        PrimarySaleRecipient: "0x0000000000000000000000000000000000000000",
        Metadata: &thirdweb.NFTMetadataInput{
            Name:  "ERC721 Sigmint!",
            Image: imageFile,
        },
        RoyaltyRecipient: "0x0000000000000000000000000000000000000000",
        RoyaltyBps:       0,
    },
    &thirdweb.Signature721PayloadInput{
        To:                   "0x9e1b8A86fFEE4a7175DAE4bDB1cC12d111Dcb3D6",
        Price:                0,
        CurrencyAddress:      "0x0000000000000000000000000000000000000000",
        MintStartTime:        0,
        MintEndTime:          100000000000000,
        PrimarySaleRecipient: "0x0000000000000000000000000000000000000000",
        Metadata: &thirdweb.NFTMetadataInput{
            Name:  "ERC721 Sigmint!",
            Image: imageFile,
        },
        RoyaltyRecipient: "0x0000000000000000000000000000000000000000",
        RoyaltyBps:       0,
    },
}

signedPayload, err := contract.Signature.GenerateBatch(context.Background(), payload)

func (*ERC721SignatureMinting) Mint​

func (signature *ERC721SignatureMinting) Mint(ctx context.Context, signedPayload *SignedPayload721) (*types.Transaction, error)

Mint a token with the data in given payload.

signedPayload: the payload signed by the minters private key being used to mint

returns: the transaction receipt of the mint

Example​

// Learn more about how to craft a payload in the Generate() function
signedPayload, err := contract.Signature.Generate(payload)
tx, err := contract.Signature.Mint(context.Background(), signedPayload)

func (*ERC721SignatureMinting) MintBatch​

func (signature *ERC721SignatureMinting) MintBatch(ctx context.Context, signedPayloads []*SignedPayload721) (*types.Transaction, error)

Mint a batch of token with the data in given payload.

signedPayload: the list of payloads signed by the minters private key being used to mint

returns: the transaction receipt of the batch mint

Example​

// Learn more about how to craft multiple payloads in the GenerateBatch() function
signedPayloads, err := contract.Signature.GenerateBatch(payloads)
tx, err := contract.Signature.MintBatch(context.Background(), signedPayloads)

func (*ERC721SignatureMinting) Verify​

func (signature *ERC721SignatureMinting) Verify(ctx context.Context, signedPayload *SignedPayload721) (bool, error)

Verify that a signed payload is valid​

signedPayload: the payload to verify

returns: true if the payload is valid, otherwise false.

Example​

// Learn more about how to craft a payload in the Generate() function
signedPayload, err := contract.Signature.Generate(payload)
isValid, err := contract.Signature.Verify(signedPayload)