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TieredDrop

Methods

DEFAULT_ADMIN_ROLE

function DEFAULT_ADMIN_ROLE() external view returns (bytes32)

Returns

NameTypeDescription
_0bytes32undefined

approve

function approve(address to, uint256 tokenId) external nonpayable

See {IERC721-approve}.

Parameters

NameTypeDescription
toaddressundefined
tokenIduint256undefined

balanceOf

function balanceOf(address owner) external view returns (uint256)

See {IERC721-balanceOf}.

Parameters

NameTypeDescription
owneraddressundefined

Returns

NameTypeDescription
_0uint256undefined

burn

function burn(uint256 tokenId) external nonpayable

Burns tokenId. See {ERC721-_burn}.

Parameters

NameTypeDescription
tokenIduint256undefined

claimWithSignature

function claimWithSignature(ISignatureAction.GenericRequest _req, bytes _signature) external payable returns (address signer)

Parameters

NameTypeDescription
_reqISignatureAction.GenericRequestundefined
_signaturebytesundefined

Returns

NameTypeDescription
signeraddressundefined

contractURI

function contractURI() external view returns (string)

Returns the contract metadata URI.

Returns

NameTypeDescription
_0stringundefined

encryptDecrypt

function encryptDecrypt(bytes data, bytes key) external pure returns (bytes result)

Encrypt/decrypt data on chain.

Encrypt/decrypt given data with key. Uses inline assembly. See: https://ethereum.stackexchange.com/questions/69825/decrypt-message-on-chain

Parameters

NameTypeDescription
databytesBytes of data to encrypt/decrypt.
keybytesSecure key used by caller for encryption/decryption.

Returns

NameTypeDescription
resultbytesOutput after encryption/decryption of given data.

encryptedData

function encryptedData(uint256) external view returns (bytes)

Parameters

NameTypeDescription
_0uint256undefined

Returns

NameTypeDescription
_0bytesundefined

getApproved

function getApproved(uint256 tokenId) external view returns (address)

See {IERC721-getApproved}.

Parameters

NameTypeDescription
tokenIduint256undefined

Returns

NameTypeDescription
_0addressundefined

getBaseURICount

function getBaseURICount() external view returns (uint256)

Returns the count of batches of NFTs.

Each batch of tokens has an in ID and an associated baseURI. See {batchIds}.

Returns

NameTypeDescription
_0uint256undefined

getBatchIdAtIndex

function getBatchIdAtIndex(uint256 _index) external view returns (uint256)

Returns the ID for the batch of tokens the given tokenId belongs to.

See {getBaseURICount}.

Parameters

NameTypeDescription
_indexuint256ID of a token.

Returns

NameTypeDescription
_0uint256undefined

getDefaultRoyaltyInfo

function getDefaultRoyaltyInfo() external view returns (address, uint16)

Returns the default royalty recipient and BPS for this contract's NFTs.

Returns

NameTypeDescription
_0addressundefined
_1uint16undefined

getMetadataForAllTiers

function getMetadataForAllTiers() external view returns (struct LazyMintWithTier.TierMetadata[] metadataForAllTiers)

Returns all metadata for all tiers created on the contract.

Returns

NameTypeDescription
metadataForAllTiersLazyMintWithTier.TierMetadata[]undefined

getRevealURI

function getRevealURI(uint256 _batchId, bytes _key) external view returns (string revealedURI)

Returns revealed URI for a batch of NFTs.

Reveal encrypted base URI for _batchId with caller/admin's _key used for encryption. Reverts if there's no encrypted URI for _batchId. See {encryptDecrypt}.

Parameters

NameTypeDescription
_batchIduint256ID of the batch for which URI is being revealed.
_keybytesSecure key used by caller/admin for encryption of baseURI.

Returns

NameTypeDescription
revealedURIstringDecrypted base URI.

getRoleAdmin

function getRoleAdmin(bytes32 role) external view returns (bytes32)

Returns the admin role that controls the specified role.

See {grantRole} and {revokeRole}. To change a role's admin, use {_setRoleAdmin}.

Parameters

NameTypeDescription
rolebytes32keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")

Returns

NameTypeDescription
_0bytes32undefined

getRoleMember

function getRoleMember(bytes32 role, uint256 index) external view returns (address member)

Returns the role-member from a list of members for a role, at a given index.

Returns member who has role, at index of role-members list. See struct {RoleMembers}, and mapping {roleMembers}

Parameters

NameTypeDescription
rolebytes32keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
indexuint256Index in list of current members for the role.

Returns

NameTypeDescription
memberaddressAddress of account that has role

getRoleMemberCount

function getRoleMemberCount(bytes32 role) external view returns (uint256 count)

Returns total number of accounts that have a role.

Returns count of accounts that have role. See struct {RoleMembers}, and mapping {roleMembers}

Parameters

NameTypeDescription
rolebytes32keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")

Returns

NameTypeDescription
countuint256Total number of accounts that have role

getRoyaltyInfoForToken

function getRoyaltyInfoForToken(uint256 _tokenId) external view returns (address, uint16)

View royalty info for a given token.

Returns royalty recipient and bps for _tokenId.

Parameters

NameTypeDescription
_tokenIduint256The tokenID of the NFT for which to query royalty info.

Returns

NameTypeDescription
_0addressundefined
_1uint16undefined

getTierForToken

function getTierForToken(uint256 _tokenId) external view returns (string)

Returns the tier that the given token is associated with.

Parameters

NameTypeDescription
_tokenIduint256undefined

Returns

NameTypeDescription
_0stringundefined

getTokensInTier

function getTokensInTier(string _tier, uint256 _startIdx, uint256 _endIdx) external view returns (struct LazyMintWithTier.TokenRange[] ranges)

Returns all tokenIds that belong to the given tier.

Parameters

NameTypeDescription
_tierstringundefined
_startIdxuint256undefined
_endIdxuint256undefined

Returns

NameTypeDescription
rangesLazyMintWithTier.TokenRange[]undefined

getTokensInTierLen

function getTokensInTierLen() external view returns (uint256)

Returns the max endIndex that can be used with getTokensInTier.

Returns

NameTypeDescription
_0uint256undefined

grantRole

function grantRole(bytes32 role, address account) external nonpayable

Grants a role to an account, if not previously granted.

Caller must have admin role for the role. Emits {RoleGranted Event}.

Parameters

NameTypeDescription
rolebytes32keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
accountaddressAddress of the account to which the role is being granted.

hasRole

function hasRole(bytes32 role, address account) external view returns (bool)

Checks whether an account has a particular role.

Returns true if account has been granted role.

Parameters

NameTypeDescription
rolebytes32keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
accountaddressAddress of the account for which the role is being checked.

Returns

NameTypeDescription
_0boolundefined

hasRoleWithSwitch

function hasRoleWithSwitch(bytes32 role, address account) external view returns (bool)

Checks whether an account has a particular role; role restrictions can be switched on and off.

Returns true if account has been granted role. Role restrictions can be switched on and off: - If address(0) has ROLE, then the ROLE restrictions don't apply. - If address(0) does not have ROLE, then the ROLE restrictions will apply.

Parameters

NameTypeDescription
rolebytes32keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
accountaddressAddress of the account for which the role is being checked.

Returns

NameTypeDescription
_0boolundefined

initialize

function initialize(address _defaultAdmin, string _name, string _symbol, string _contractURI, address[] _trustedForwarders, address _saleRecipient, address _royaltyRecipient, uint16 _royaltyBps) external nonpayable

Initializes the contract, like a constructor.

Parameters

NameTypeDescription
_defaultAdminaddressundefined
_namestringundefined
_symbolstringundefined
_contractURIstringundefined
_trustedForwardersaddress[]undefined
_saleRecipientaddressundefined
_royaltyRecipientaddressundefined
_royaltyBpsuint16undefined

isApprovedForAll

function isApprovedForAll(address owner, address operator) external view returns (bool)

See {IERC721-isApprovedForAll}.

Parameters

NameTypeDescription
owneraddressundefined
operatoraddressundefined

Returns

NameTypeDescription
_0boolundefined

isEncryptedBatch

function isEncryptedBatch(uint256 _batchId) external view returns (bool)

Returns whether the relevant batch of NFTs is subject to a delayed reveal.

Returns true if _batchId's base URI is encrypted.

Parameters

NameTypeDescription
_batchIduint256ID of a batch of NFTs.

Returns

NameTypeDescription
_0boolundefined

isTrustedForwarder

function isTrustedForwarder(address forwarder) external view returns (bool)

Parameters

NameTypeDescription
forwarderaddressundefined

Returns

NameTypeDescription
_0boolundefined

lazyMint

function lazyMint(uint256 _amount, string _baseURIForTokens, string _tier, bytes _data) external nonpayable returns (uint256 batchId)

Lets an authorized address lazy mint a given amount of NFTs.

Parameters

NameTypeDescription
_amountuint256The number of NFTs to lazy mint.
_baseURIForTokensstringThe base URI for the 'n' number of NFTs being lazy minted, where the metadata for each of those NFTs is ${baseURIForTokens}/${tokenId}.
_tierstringundefined
_databytesAdditional bytes data to be used at the discretion of the consumer of the contract.

Returns

NameTypeDescription
batchIduint256A unique integer identifier for the batch of NFTs lazy minted together.

multicall

function multicall(bytes[] data) external nonpayable returns (bytes[] results)

Receives and executes a batch of function calls on this contract.

Parameters

NameTypeDescription
databytes[]undefined

Returns

NameTypeDescription
resultsbytes[]undefined

name

function name() external view returns (string)

See {IERC721Metadata-name}.

Returns

NameTypeDescription
_0stringundefined

nextTokenIdToMint

function nextTokenIdToMint() external view returns (uint256)

The tokenId of the next NFT that will be minted / lazy minted.

Returns

NameTypeDescription
_0uint256undefined

owner

function owner() external view returns (address)

Returns the owner of the contract.

Returns

NameTypeDescription
_0addressundefined

ownerOf

function ownerOf(uint256 tokenId) external view returns (address)

See {IERC721-ownerOf}.

Parameters

NameTypeDescription
tokenIduint256undefined

Returns

NameTypeDescription
_0addressundefined

primarySaleRecipient

function primarySaleRecipient() external view returns (address)

Returns primary sale recipient address.

Returns

NameTypeDescription
_0addressundefined

renounceRole

function renounceRole(bytes32 role, address account) external nonpayable

Revokes role from the account.

Caller must have the role, with caller being the same as account. Emits {RoleRevoked Event}.

Parameters

NameTypeDescription
rolebytes32keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
accountaddressAddress of the account from which the role is being revoked.

reveal

function reveal(uint256 _index, bytes _key) external nonpayable returns (string revealedURI)

Lets an account with MINTER_ROLE reveal the URI for a batch of 'delayed-reveal' NFTs.

Parameters

NameTypeDescription
_indexuint256undefined
_keybytesundefined

Returns

NameTypeDescription
revealedURIstringundefined

revokeRole

function revokeRole(bytes32 role, address account) external nonpayable

Revokes role from an account.

Caller must have admin role for the role. Emits {RoleRevoked Event}.

Parameters

NameTypeDescription
rolebytes32keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
accountaddressAddress of the account from which the role is being revoked.

royaltyInfo

function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount)

View royalty info for a given token and sale price.

Returns royalty amount and recipient for tokenId and salePrice.

Parameters

NameTypeDescription
tokenIduint256The tokenID of the NFT for which to query royalty info.
salePriceuint256Sale price of the token.

Returns

NameTypeDescription
receiveraddressAddress of royalty recipient account.
royaltyAmountuint256Royalty amount calculated at current royaltyBps value.

safeTransferFrom

function safeTransferFrom(address from, address to, uint256 tokenId) external nonpayable

See {IERC721-safeTransferFrom}.

Parameters

NameTypeDescription
fromaddressundefined
toaddressundefined
tokenIduint256undefined

safeTransferFrom

function safeTransferFrom(address from, address to, uint256 tokenId, bytes _data) external nonpayable

See {IERC721-safeTransferFrom}.

Parameters

NameTypeDescription
fromaddressundefined
toaddressundefined
tokenIduint256undefined
_databytesundefined

setApprovalForAll

function setApprovalForAll(address operator, bool approved) external nonpayable

See {IERC721-setApprovalForAll}.

Parameters

NameTypeDescription
operatoraddressundefined
approvedboolundefined

setContractURI

function setContractURI(string _uri) external nonpayable

Lets a contract admin set the URI for contract-level metadata.

Caller should be authorized to setup contractURI, e.g. contract admin. See {_canSetContractURI}. Emits {ContractURIUpdated Event}.

Parameters

NameTypeDescription
_uristringkeccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")

setDefaultRoyaltyInfo

function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external nonpayable

Updates default royalty recipient and bps.

Caller should be authorized to set royalty info. See {_canSetRoyaltyInfo}. Emits {DefaultRoyalty Event}; See {_setupDefaultRoyaltyInfo}.

Parameters

NameTypeDescription
_royaltyRecipientaddressAddress to be set as default royalty recipient.
_royaltyBpsuint256Updated royalty bps.

setOwner

function setOwner(address _newOwner) external nonpayable

Lets an authorized wallet set a new owner for the contract.

Parameters

NameTypeDescription
_newOwneraddressThe address to set as the new owner of the contract.

setPrimarySaleRecipient

function setPrimarySaleRecipient(address _saleRecipient) external nonpayable

Updates primary sale recipient.

Caller should be authorized to set primary sales info. See {_canSetPrimarySaleRecipient}. Emits {PrimarySaleRecipientUpdated Event}; See {_setupPrimarySaleRecipient}.

Parameters

NameTypeDescription
_saleRecipientaddressAddress to be set as new recipient of primary sales.

setRoyaltyInfoForToken

function setRoyaltyInfoForToken(uint256 _tokenId, address _recipient, uint256 _bps) external nonpayable

Updates default royalty recipient and bps for a particular token.

Sets royalty info for _tokenId. Caller should be authorized to set royalty info. See {_canSetRoyaltyInfo}. Emits {RoyaltyForToken Event}; See {_setupRoyaltyInfoForToken}.

Parameters

NameTypeDescription
_tokenIduint256undefined
_recipientaddressAddress to be set as royalty recipient for given token Id.
_bpsuint256Updated royalty bps for the token Id.

supportsInterface

function supportsInterface(bytes4 interfaceId) external view returns (bool)

See ERC 165

Parameters

NameTypeDescription
interfaceIdbytes4undefined

Returns

NameTypeDescription
_0boolundefined

symbol

function symbol() external view returns (string)

See {IERC721Metadata-symbol}.

Returns

NameTypeDescription
_0stringundefined

tokenURI

function tokenURI(uint256 _tokenId) external view returns (string)

Returns the URI for a given tokenId.

Parameters

NameTypeDescription
_tokenIduint256undefined

Returns

NameTypeDescription
_0stringundefined

totalMinted

function totalMinted() external view returns (uint256)

Returns the total amount of tokens minted in the contract.

Returns

NameTypeDescription
_0uint256undefined

totalMintedInTier

function totalMintedInTier(string _tier) external view returns (uint256)

Returns the total number of tokens minted from the given tier.

Parameters

NameTypeDescription
_tierstringundefined

Returns

NameTypeDescription
_0uint256undefined

totalSupply

function totalSupply() external view returns (uint256)

Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens.

Returns

NameTypeDescription
_0uint256undefined

transferFrom

function transferFrom(address from, address to, uint256 tokenId) external nonpayable

See {IERC721-transferFrom}.

Parameters

NameTypeDescription
fromaddressundefined
toaddressundefined
tokenIduint256undefined

verify

function verify(ISignatureAction.GenericRequest _req, bytes _signature) external view returns (bool success, address signer)

Parameters

NameTypeDescription
_reqISignatureAction.GenericRequestundefined
_signaturebytesundefined

Returns

NameTypeDescription
successboolundefined
signeraddressundefined

Events

Approval

event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId)

Parameters

NameTypeDescription
owner indexedaddressundefined
approved indexedaddressundefined
tokenId indexeduint256undefined

ApprovalForAll

event ApprovalForAll(address indexed owner, address indexed operator, bool approved)

Parameters

NameTypeDescription
owner indexedaddressundefined
operator indexedaddressundefined
approvedboolundefined

ContractURIUpdated

event ContractURIUpdated(string prevURI, string newURI)

Parameters

NameTypeDescription
prevURIstringundefined
newURIstringundefined

DefaultRoyalty

event DefaultRoyalty(address indexed newRoyaltyRecipient, uint256 newRoyaltyBps)

Parameters

NameTypeDescription
newRoyaltyRecipient indexedaddressundefined
newRoyaltyBpsuint256undefined

Initialized

event Initialized(uint8 version)

Parameters

NameTypeDescription
versionuint8undefined

OwnerUpdated

event OwnerUpdated(address indexed prevOwner, address indexed newOwner)

Parameters

NameTypeDescription
prevOwner indexedaddressundefined
newOwner indexedaddressundefined

PrimarySaleRecipientUpdated

event PrimarySaleRecipientUpdated(address indexed recipient)

Parameters

NameTypeDescription
recipient indexedaddressundefined

RequestExecuted

event RequestExecuted(address indexed user, address indexed signer, ISignatureAction.GenericRequest _req)

Emitted when a payload is verified and executed.

Parameters

NameTypeDescription
user indexedaddressundefined
signer indexedaddressundefined
_reqISignatureAction.GenericRequestundefined

RoleAdminChanged

event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole)

Parameters

NameTypeDescription
role indexedbytes32undefined
previousAdminRole indexedbytes32undefined
newAdminRole indexedbytes32undefined

RoleGranted

event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender)

Parameters

NameTypeDescription
role indexedbytes32undefined
account indexedaddressundefined
sender indexedaddressundefined

RoleRevoked

event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender)

Parameters

NameTypeDescription
role indexedbytes32undefined
account indexedaddressundefined
sender indexedaddressundefined

RoyaltyForToken

event RoyaltyForToken(uint256 indexed tokenId, address indexed royaltyRecipient, uint256 royaltyBps)

Parameters

NameTypeDescription
tokenId indexeduint256undefined
royaltyRecipient indexedaddressundefined
royaltyBpsuint256undefined

TokenURIRevealed

event TokenURIRevealed(uint256 indexed index, string revealedURI)

Parameters

NameTypeDescription
index indexeduint256undefined
revealedURIstringundefined

TokensClaimed

event TokensClaimed(address indexed claimer, address indexed receiver, uint256 startTokenId, uint256 quantityClaimed, string[] tiersInPriority)

Emitted when tokens are claimed via claimWithSignature.

Parameters

NameTypeDescription
claimer indexedaddressundefined
receiver indexedaddressundefined
startTokenIduint256undefined
quantityClaimeduint256undefined
tiersInPrioritystring[]undefined

TokensLazyMinted

event TokensLazyMinted(string indexed tier, uint256 indexed startTokenId, uint256 endTokenId, string baseURI, bytes encryptedBaseURI)

Parameters

NameTypeDescription
tier indexedstringundefined
startTokenId indexeduint256undefined
endTokenIduint256undefined
baseURIstringundefined
encryptedBaseURIbytesundefined

Transfer

event Transfer(address indexed from, address indexed to, uint256 indexed tokenId)

Parameters

NameTypeDescription
from indexedaddressundefined
to indexedaddressundefined
tokenId indexeduint256undefined

Errors

ApprovalCallerNotOwnerNorApproved

error ApprovalCallerNotOwnerNorApproved()

The caller must own the token or be an approved operator.

ApprovalQueryForNonexistentToken

error ApprovalQueryForNonexistentToken()

The token does not exist.

ApprovalToCurrentOwner

error ApprovalToCurrentOwner()

The caller cannot approve to the current owner.

ApproveToCaller

error ApproveToCaller()

The caller cannot approve to their own address.

BalanceQueryForZeroAddress

error BalanceQueryForZeroAddress()

Cannot query the balance for the zero address.

MintToZeroAddress

error MintToZeroAddress()

Cannot mint to the zero address.

MintZeroQuantity

error MintZeroQuantity()

The quantity of tokens minted must be more than zero.

OwnerQueryForNonexistentToken

error OwnerQueryForNonexistentToken()

The token does not exist.

TransferCallerNotOwnerNorApproved

error TransferCallerNotOwnerNorApproved()

The caller must own the token or be an approved operator.

TransferFromIncorrectOwner

error TransferFromIncorrectOwner()

The token must be owned by from.

TransferToNonERC721ReceiverImplementer

error TransferToNonERC721ReceiverImplementer()

Cannot safely transfer to a contract that does not implement the ERC721Receiver interface.

TransferToZeroAddress

error TransferToZeroAddress()

Cannot transfer to the zero address.

URIQueryForNonexistentToken

error URIQueryForNonexistentToken()

The token does not exist.