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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| // Copyright 2023 IOTA Stiftung | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| import { utf8ToHex } from '../../../utils'; | ||
| import { MetadataFeature } from './feature'; | ||
|
|
||
| /** | ||
| * The IRC27 NFT standard schema. | ||
| */ | ||
| class Irc27Metadata { | ||
| /** The IRC standard */ | ||
| readonly standard: string = 'IRC27'; | ||
| /** The current version. */ | ||
| readonly version: string = 'v1.0'; | ||
| /** The media type (MIME) of the asset. | ||
| * | ||
| * ## Examples | ||
| * - Image files: `image/jpeg`, `image/png`, `image/gif`, etc. | ||
| * - Video files: `video/x-msvideo` (avi), `video/mp4`, `video/mpeg`, etc. | ||
| * - Audio files: `audio/mpeg`, `audio/wav`, etc. | ||
| * - 3D Assets: `model/obj`, `model/u3d`, etc. | ||
| * - Documents: `application/pdf`, `text/plain`, etc. | ||
| */ | ||
| type: string; | ||
| /** URL pointing to the NFT file location. */ | ||
| uri: string; | ||
| /** The human-readable name of the native token. */ | ||
| name: string; | ||
| /** The human-readable collection name of the native token. */ | ||
| collectionName?: string; | ||
| /** Royalty payment addresses mapped to the payout percentage. */ | ||
| royalties: Map<string, number> = new Map(); | ||
| /** The human-readable name of the native token creator. */ | ||
| issuerName?: string; | ||
| /** The human-readable description of the token. */ | ||
| description?: string; | ||
| /** Additional attributes which follow [OpenSea Metadata standards](https://docs.opensea.io/docs/metadata-standards). */ | ||
| attributes: Attribute[] = []; | ||
|
|
||
| /** | ||
| * @param type The media type (MIME) of the asset. | ||
| * @param uri URL pointing to the NFT file location. | ||
| * @param name The human-readable name of the native token. | ||
| */ | ||
| constructor(type: string, uri: string, name: string) { | ||
| this.type = type; | ||
| this.uri = uri; | ||
| this.name = name; | ||
| } | ||
|
|
||
| withCollectionName(collectionName: string): Irc27Metadata { | ||
| this.collectionName = collectionName; | ||
| return this; | ||
| } | ||
|
|
||
| addRoyalty(address: string, percentage: number): Irc27Metadata { | ||
| this.royalties.set(address, percentage); | ||
| return this; | ||
| } | ||
|
|
||
| withRoyalties(royalties: Map<string, number>): Irc27Metadata { | ||
| this.royalties = royalties; | ||
| return this; | ||
| } | ||
|
|
||
| withIssuerName(issuerName: string): Irc27Metadata { | ||
| this.issuerName = issuerName; | ||
| return this; | ||
| } | ||
|
|
||
| withDescription(description: string): Irc27Metadata { | ||
| this.description = description; | ||
| return this; | ||
| } | ||
|
|
||
| addAttribute(attribute: Attribute): Irc27Metadata { | ||
| this.attributes.push(attribute); | ||
| return this; | ||
| } | ||
|
|
||
| withAttributes(attributes: Attribute[]): Irc27Metadata { | ||
| this.attributes = attributes; | ||
| return this; | ||
| } | ||
|
|
||
| asHex(): string { | ||
| return utf8ToHex(JSON.stringify(this)); | ||
| } | ||
|
|
||
| asFeature(): MetadataFeature { | ||
| return new MetadataFeature(this.asHex()); | ||
| } | ||
| } | ||
|
|
||
| class Attribute { | ||
| trait_type: string; | ||
| value: any; | ||
| display_type?: string; | ||
|
|
||
| constructor(trait_type: string, value: any) { | ||
| this.trait_type = trait_type; | ||
| this.value = value; | ||
| } | ||
|
|
||
| withDisplayType(display_type: string): Attribute { | ||
| this.display_type = display_type; | ||
| return this; | ||
| } | ||
| } | ||
|
|
||
| export { Irc27Metadata, Attribute }; |
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