feat: add createResource endpoint

Signed-off-by: Sownak Roy <[email protected]>

src/app.ts

@@ -1,4 +1,4 @@
-import express from 'express';
+import express, { Request, Response } from 'express';
 import Helmet from 'helmet';
 import swaggerUI from 'swagger-ui-express';
 
@@ -8,6 +8,7 @@ import { DidController } from './controllers/did.js';
 import { CheqdController } from './controllers/cheqd.js';
 import { ResourceController } from './controllers/resource.js';
 import { CheqdRegistrar } from './service/cheqd.js';
+import { MethodSpecificIdAlgo, VerificationMethods } from '@cheqd/sdk';
 
 class App {
 	public express: express.Application;
@@ -29,6 +30,27 @@ class App {
 	private routes() {
 		const app = this.express;
 		const URL_PREFIX = '/1.0';
+		const staticTraits = {
+			cheqd: {
+				updatable: true,
+				deactivatable: true,
+				enumerable: true,
+				historyAvailable: true,
+				humanReadable: false,
+			},
+		};
+		const properties = {
+			cheqd: {
+				supportedVerificationMethods: [
+					VerificationMethods.Ed255192020,
+					VerificationMethods.Ed255192018,
+					VerificationMethods.JWK,
+				],
+				supportedAlgorithm: [MethodSpecificIdAlgo.Base58, MethodSpecificIdAlgo.Uuid],
+				localStoreTTL: process.env.LOCAL_STORE_TTL,
+			},
+		};
+		const didMethods = ['cheqd'];
 
 		app.get('/', (req, res) => res.redirect('api-docs'));
 
@@ -58,6 +80,29 @@ class App {
 			new ResourceController().create
 		);
 
+		app.post(
+			`${URL_PREFIX}/createResource`,
+			ResourceController.createResourceValidator,
+			DidController.commonValidator,
+			new ResourceController().createResource
+		);
+		app.post(
+			`${URL_PREFIX}/updateResource`,
+			ResourceController.createResourceValidator,
+			DidController.commonValidator,
+			new ResourceController().create
+		);
+
+		app.get(`${URL_PREFIX}/methods`, (req: Request, res: Response) => {
+			res.status(200).json(didMethods);
+		});
+		app.get(`${URL_PREFIX}/properties`, (req: Request, res: Response) => {
+			res.status(200).json(properties);
+		});
+		app.get(`${URL_PREFIX}/traits`, (req: Request, res: Response) => {
+			res.status(200).json(staticTraits);
+		});
+
 		// cheqd-helpers
 		app.get(`${URL_PREFIX}/key-pair`, new CheqdController().generateKeys);
 		app.get(`${URL_PREFIX}/did-document`, CheqdController.didDocValidator, new CheqdController().generateDidDoc);

src/controllers/resource.ts

@@ -7,7 +7,7 @@ import { v4 } from 'uuid';
 import { fromString } from 'uint8arrays';
 
 import { CheqdRegistrar, CheqdResolver, NetworkType } from '../service/cheqd.js';
-import { IResourceCreateRequest, IState } from '../types/types.js';
+import { IResourceCreateRequest, IResourceCreateRequestV1, IResourceUpdateRequest, IState } from '../types/types.js';
 import { Messages } from '../types/constants.js';
 import { convertToSignInfo } from '../helpers/helpers.js';
 import { Responses } from '../helpers/response.js';
@@ -29,13 +29,29 @@ export class ResourceController {
 		check('alsoKnownAs.*.uri').isString().withMessage(Messages.Invalid),
 		check('alsoKnownAs.*.description').isString().withMessage(Messages.Invalid),
 	];
+	public static createResourceValidator = [
+		check('did').exists().isString().contains('did:cheqd').withMessage(Messages.InvalidDid),
+		check('jobId')
+			.custom((value, { req }) => {
+				if (!value && !(req.body.name && req.body.type && req.body.content)) return false;
+				return true;
+			})
+			.withMessage('name, type and content are required'),
+		check('name').optional().isString().withMessage(Messages.Invalid),
+		check('type').optional().isString().withMessage(Messages.Invalid),
+		check('content').exists().isString().withMessage(Messages.Invalid),
+		check('relativeDidUrl').optional().isString().contains('/resources/').withMessage(Messages.InvalidDidUrl),
+		check('alsoKnownAs').optional().isArray().withMessage(Messages.Invalid),
+		check('alsoKnownAs.*.uri').isString().withMessage(Messages.Invalid),
+		check('alsoKnownAs.*.description').isString().withMessage(Messages.Invalid),
+	];
 
 	public async create(request: Request, response: Response) {
 		const result = validationResult(request);
 		if (!result.isEmpty()) {
 			return response
 				.status(400)
-				.json(Responses.GetInvalidResourceResponse({}, request.body.secret, result.array()[0].msg));
+				.json(Responses.GetInvalidResourceResponseV1({}, request.body.secret, result.array()[0].msg));
 		}
 
 		const { did } = request.params;
@@ -48,7 +64,7 @@ export class ResourceController {
 			version,
 			secret = {},
 			options = {},
-		} = request.body as IResourceCreateRequest;
+		} = request.body as IResourceCreateRequestV1;
 
 		let resourcePayload: Partial<MsgCreateResourcePayload> = {};
 		try {
@@ -84,7 +100,7 @@ export class ResourceController {
 			} else if (!data) {
 				return response
 					.status(400)
-					.json(Responses.GetInvalidResourceResponse({}, secret, Messages.InvalidResource));
+					.json(Responses.GetInvalidResourceResponseV1({}, secret, Messages.InvalidResource));
 			} else {
 				jobId = v4();
 
@@ -108,7 +124,7 @@ export class ResourceController {
 				return response
 					.status(200)
 					.json(
-						Responses.GetResourceActionSignatureResponse(
+						Responses.GetResourceActionSignatureResponseV1(
 							jobId,
 							resolvedDocument.verificationMethod,
 							resourcePayload
@@ -120,11 +136,13 @@ export class ResourceController {
 			await CheqdRegistrar.instance.connect(options);
 			const result = await CheqdRegistrar.instance.createResource(signInputs, resourcePayload);
 			if (result.code == 0) {
-				return response.status(201).json(Responses.GetResourceSuccessResponse(jobId, secret, resourcePayload));
+				return response
+					.status(201)
+					.json(Responses.GetResourceSuccessResponseV1(jobId, secret, resourcePayload));
 			} else {
 				return response
 					.status(400)
-					.json(Responses.GetInvalidResourceResponse(resourcePayload, secret, Messages.InvalidResource));
+					.json(Responses.GetInvalidResourceResponseV1(resourcePayload, secret, Messages.InvalidResource));
 			}
 		} catch (error) {
 			return response.status(500).json({
@@ -139,4 +157,114 @@ export class ResourceController {
 			});
 		}
 	}
+	public async createResource(request: Request, response: Response) {
+		const result = validationResult(request);
+		if (!result.isEmpty()) {
+			return response
+				.status(400)
+				.json(Responses.GetInvalidResourceResponse('', {}, request.body.secret, result.array()[0].msg));
+		}
+
+		let {
+			did,
+			jobId,
+			content,
+			name,
+			type,
+			version,
+			secret = {},
+			options = {},
+		} = request.body as IResourceCreateRequest;
+
+		let resourcePayload: Partial<MsgCreateResourcePayload> = {};
+		try {
+			// check if did is registered on the ledger
+			let resolvedDocument = await CheqdResolver(did);
+			if (!resolvedDocument?.didDocument || resolvedDocument.didDocumentMetadata.deactivated) {
+				return response
+					.status(400)
+					.send(Responses.GetInvalidResponse({ id: did }, secret, Messages.DidNotFound));
+			} else {
+				resolvedDocument = resolvedDocument.didDocument;
+			}
+
+			// Validate and get store data if any
+			if (jobId) {
+				const storeData = LocalStore.instance.getResource(jobId);
+				if (!storeData) {
+					return response.status(400).json(Responses.GetJobExpiredResponse(jobId));
+				} else if (storeData.state == IState.Finished) {
+					return response.status(201).json({
+						jobId,
+						didUrlState: {
+							resourceId: storeData.resource.id,
+							state: IState.Finished,
+							secret,
+							resource: storeData.resource,
+						},
+					});
+				}
+
+				resourcePayload = storeData.resource;
+				resourcePayload.data = new Uint8Array(Object.values(resourcePayload.data!));
+			} else if (!content) {
+				return response
+					.status(400)
+					.json(Responses.GetInvalidResourceResponse('', {}, secret, Messages.InvalidContent));
+			} else {
+				jobId = v4();
+
+				resourcePayload = {
+					collectionId: did.split(':').pop()!,
+					id: v4(),
+					name,
+					resourceType: type,
+					version: version,
+					data: fromString(content, 'base64'),
+				};
+			}
+
+			let signInputs: SignInfo[];
+
+			if (secret.signingResponse) {
+				signInputs = convertToSignInfo(secret.signingResponse);
+			} else {
+				LocalStore.instance.setResource(jobId, { resource: resourcePayload, state: IState.Action });
+				return response
+					.status(200)
+					.json(
+						Responses.GetResourceActionSignatureResponse(
+							jobId,
+							resolvedDocument.verificationMethod,
+							did,
+							resourcePayload
+						)
+					);
+			}
+
+			options.network = options.network || (did.split(':')[2] as NetworkType);
+			await CheqdRegistrar.instance.connect(options);
+			const result = await CheqdRegistrar.instance.createResource(signInputs, resourcePayload);
+			if (result.code == 0) {
+				return response
+					.status(201)
+					.json(Responses.GetResourceSuccessResponse(jobId, secret, did, resourcePayload));
+			} else {
+				return response
+					.status(400)
+					.json(Responses.GetInvalidResourceResponse(did, resourcePayload, secret, Messages.InvalidResource));
+			}
+		} catch (error) {
+			return response.status(500).json({
+				jobId,
+				didUrlState: {
+					state: IState.Failed,
+					reason: Messages.Internal,
+					description: Messages.TryAgain + error,
+					secret,
+					resourcePayload,
+				},
+			});
+		}
+	}
 }

src/helpers/response.ts

@@ -98,7 +98,7 @@ export class Responses {
 		};
 	}
 
-	static GetResourceActionSignatureResponse(
+	static GetResourceActionSignatureResponseV1(
 		jobId: string,
 		verificationMethod: VerificationMethod[],
 		resource: Partial<MsgCreateResourcePayload>
@@ -129,6 +129,38 @@ export class Responses {
 			},
 		};
 	}
+	static GetResourceActionSignatureResponse(
+		jobId: string,
+		verificationMethod: VerificationMethod[],
+		did: string,
+		resource: Partial<MsgCreateResourcePayload>
+	) {
+		const signingRequest = verificationMethod.map((method) => {
+			return {
+				kid: method.id,
+				type: method.type,
+				alg: 'EdDSA',
+				serializedPayload: toString(
+					MsgCreateResourcePayload.encode(MsgCreateResourcePayload.fromPartial(resource)).finish(),
+					'base64pad'
+				),
+			};
+		});
+
+		return {
+			jobId,
+			didUrlState: {
+				didUrl: did + '/resources/' + resource.id,
+				state: IState.Action,
+				action: IAction.GetSignature,
+				description: Messages.GetSignature,
+				signingRequest,
+				secret: {
+					signingResponse: [Messages.SigingResponse],
+				},
+			},
+		};
+	}
 
 	static GetInvalidResponse(didDocument: DIDDocument | undefined, secret: Record<string, any> = {}, error: string) {
 		return {
@@ -167,7 +199,7 @@ export class Responses {
 		};
 	}
 
-	static GetResourceSuccessResponse(
+	static GetResourceSuccessResponseV1(
 		jobId: string,
 		secret: Record<string, any>,
 		resourcePayload: Partial<MsgCreateResourcePayload>
@@ -182,8 +214,29 @@ export class Responses {
 			},
 		};
 	}
+	static GetResourceSuccessResponse(
+		jobId: string,
+		secret: Record<string, any>,
+		did: string,
+		resourcePayload: Partial<MsgCreateResourcePayload>
+	) {
+		return {
+			jobId,
+			didUrlState: {
+				didUrl: did + '/resources/' + resourcePayload.id || '',
+				state: IState.Finished,
+				secret,
+				content: resourcePayload.data,
+				name: resourcePayload.name,
+				type: resourcePayload.resourceType,
+				version: resourcePayload.version,
+			},
+			didRegistrationMetadata: {},
+			contentMetadata: {},
+		};
+	}
 
-	static GetInvalidResourceResponse(
+	static GetInvalidResourceResponseV1(
 		resourcePayload: Partial<MsgCreateResourcePayload> = {},
 		secret: Record<string, any> = {},
 		error: string
@@ -200,4 +253,22 @@ export class Responses {
 			},
 		};
 	}
+	static GetInvalidResourceResponse(
+		did: string,
+		resourcePayload: Partial<MsgCreateResourcePayload> = {},
+		secret: Record<string, any> = {},
+		error: string
+	) {
+		return {
+			jobId: null,
+			didUrlState: {
+				didUrl: did + '/resources/' + resourcePayload.id,
+				state: IState.Failed,
+				reason: Messages.Invalid,
+				description: Messages.Invalid + ': ' + error,
+				secret,
+				resourcePayload,
+			},
+		};
+	}
 }