# Class: ChallengeDetails\ Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1971](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1971) ## Extends - [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class)\<`ChallengeDetails`\<`T`\>\> ## Type Parameters ### T `T` *extends* [`NumberType`](https://docs.bitbadges.io/sdk/reference/type-aliases/number-type) ## Implements - [`iChallengeDetails`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details)\<`T`\> ## Constructors ### Constructor > **new ChallengeDetails**\<`T`\>(`data`): `ChallengeDetails`\<`T`\> Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1980](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1980) #### Parameters ##### data [`iChallengeDetails`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details)\<`T`\> #### Returns `ChallengeDetails`\<`T`\> #### Overrides [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`constructor`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#constructor) ## Properties ### isHashed > **isHashed**: `boolean` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1975](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1975) True if the leaves are hashed. Hash(preimage[i]) = leaves[i] #### Implementation of [`iChallengeDetails`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details).[`isHashed`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details#ishashed) *** ### leaves > **leaves**: `string`[] Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1974](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1974) The leaves of the Merkle tree. Leaves should be considered public. Use preimages for the private codes + isHashed. For whitelist trees, these can be the plaintext BitBadges addresses. #### Implementation of [`iChallengeDetails`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details).[`leaves`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details#leaves) *** ### numLeaves? > `optional` **numLeaves?**: `T` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1973](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1973) The number of leaves in the Merkle tree. This takes priority over leaves.length if defined (used for buffer time between leaf generation and leaf length select) #### Implementation of [`iChallengeDetails`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details).[`numLeaves`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details#numleaves) *** ### preimages? > `optional` **preimages?**: `string`[] Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1976](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1976) The preimages of the leaves (only used if isHashed = true). Oftentimes, this is used for private codes so should not be present when user-facing. #### Implementation of [`iChallengeDetails`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details).[`preimages`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details#preimages) *** ### seedCode? > `optional` **seedCode?**: `string` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1977](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1977) Seed code for generating the leaves #### Implementation of [`iChallengeDetails`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details).[`seedCode`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details#seedcode) *** ### tree? > `optional` **tree?**: `MerkleTree` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1978](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1978) The Merkle tree #### Implementation of [`iChallengeDetails`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details).[`tree`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details#tree) *** ### treeOptions? > `optional` **treeOptions?**: `Options` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1972](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1972) The Merkle tree options for how to build it #### Implementation of [`iChallengeDetails`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details).[`treeOptions`](https://docs.bitbadges.io/sdk/reference/interfaces/i-challenge-details#treeoptions) ## Methods ### clone() > **clone**(): `ChallengeDetails` Defined in: [packages/bitbadgesjs-sdk/src/common/base.ts:151](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/common/base.ts#L151) Deep copies the object and returns a new instance. #### Returns `ChallengeDetails` #### Inherited from [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`clone`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#clone) *** ### convert() > **convert**\<`U`\>(`convertFunction`, `options?`): `ChallengeDetails`\<`U`\> Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1994](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1994) Converts the object to a different NumberType equivalent. #### Type Parameters ##### U `U` *extends* [`NumberType`](https://docs.bitbadges.io/sdk/reference/type-aliases/number-type) #### Parameters ##### convertFunction (`item`) => `U` ##### options? [`ConvertOptions`](https://docs.bitbadges.io/sdk/reference/interfaces/convert-options) #### Returns `ChallengeDetails`\<`U`\> #### Overrides [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`convert`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#convert) *** ### equals() > **equals**\<`U`\>(`other`, `normalizeNumberTypes?`): `boolean` Defined in: [packages/bitbadgesjs-sdk/src/common/base.ts:147](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/common/base.ts#L147) Compares this object's fields to another object's fields for equality. Equality is determined by comparing the JSON representations of the objects. If `normalizeNumberTypes` is true, then all number types will be compared as strings (i.e. "1n" === "1" === 1). Else, they will be compared as their native types (i.e. 1n !== 1 !== "1"). #### Type Parameters ##### U `U` *extends* [`CustomType`](https://docs.bitbadges.io/sdk/reference/interfaces/custom-type)\<`U`\> #### Parameters ##### other [`CustomType`](https://docs.bitbadges.io/sdk/reference/interfaces/custom-type)\<`U`\> \| `null` \| `undefined` ##### normalizeNumberTypes? `boolean` #### Returns `boolean` #### Inherited from [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`equals`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#equals) *** ### getNumberFieldNames() > **getNumberFieldNames**(): `string`[] Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1990](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1990) Internal helper method to convert the number fields of the object to a different NumberType equivalent. #### Returns `string`[] #### Overrides [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`getNumberFieldNames`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#getnumberfieldnames) *** ### hasNumberFields() > **hasNumberFields**(): `boolean` Defined in: [packages/bitbadgesjs-sdk/src/common/base.ts:161](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/common/base.ts#L161) Checks if the object has number fields. #### Returns `boolean` #### Inherited from [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`hasNumberFields`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#hasnumberfields) *** ### toJson() > **toJson**(): `JsonObject` Defined in: [packages/bitbadgesjs-sdk/src/common/base.ts:139](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/common/base.ts#L139) Converts the object to a JSON object with all primitive types. #### Returns `JsonObject` #### Inherited from [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`toJson`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#tojson) *** ### toJsonString() > **toJsonString**(): `string` Defined in: [packages/bitbadgesjs-sdk/src/common/base.ts:143](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/common/base.ts#L143) Converts the object to a JSON string. #### Returns `string` #### Inherited from [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`toJsonString`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#tojsonstring)