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@cheqd/sdk

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A TypeScript SDK built with CosmJS to interact with the cheqd network ledger

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import { AbstractCheqdSDKModule } from './_.js'; import { CheqdSigningStargateClient } from '../signer.js'; import { ISignInputs } from '../types.js'; import { MsgCreateResource, MsgCreateResourcePayload, MsgCreateResourceResponse, QueryClientImpl, protobufPackage, } from '@cheqd/ts-proto/cheqd/resource/v2/index.js'; import { createPagination, createProtobufRpcClient } from '@cosmjs/stargate'; import { fileTypeFromBuffer } from 'file-type'; import { toString } from 'uint8arrays/to-string'; import { assert } from '@cosmjs/utils'; import { isJSON } from '../utils.js'; export const defaultResourceExtensionKey = 'resource'; export const protobufLiterals = { MsgCreateResource: 'MsgCreateResource', MsgCreateResourceResponse: 'MsgCreateResourceResponse', }; export const typeUrlMsgCreateResource = `/${protobufPackage}.${protobufLiterals.MsgCreateResource}`; export const typeUrlMsgCreateResourceResponse = `/${protobufPackage}.${protobufLiterals.MsgCreateResourceResponse}`; export function isMsgCreateResourceEncodeObject(obj) { return obj.typeUrl === typeUrlMsgCreateResource; } export const setupResourceExtension = (base) => { const rpc = createProtobufRpcClient(base); const queryService = new QueryClientImpl(rpc); return { [defaultResourceExtensionKey]: { resource: async (collectionId, resourceId) => { const { resource } = await queryService.Resource({ collectionId, id: resourceId }); assert(resource); return resource; }, resourceMetadata: async (collectionId, resourceId) => { const { resource } = await queryService.ResourceMetadata({ collectionId, id: resourceId }); assert(resource); return resource; }, collectionResources: async (collectionId, paginationKey) => { const response = await queryService.CollectionResources({ collectionId, pagination: createPagination(paginationKey), }); return response; }, }, }; }; export class ResourceModule extends AbstractCheqdSDKModule { // @ts-expect-error underlying type `GeneratedType` is intentionally wider static registryTypes = [ [typeUrlMsgCreateResource, MsgCreateResource], [typeUrlMsgCreateResourceResponse, MsgCreateResourceResponse], ]; static baseMinimalDenom = 'ncheq'; static fees = { DefaultCreateResourceImageFee: { amount: '10000000000', denom: ResourceModule.baseMinimalDenom }, DefaultCreateResourceJsonFee: { amount: '10000000000', denom: ResourceModule.baseMinimalDenom }, DefaultCreateResourceDefaultFee: { amount: '10000000000', denom: ResourceModule.baseMinimalDenom }, }; static querierExtensionSetup = setupResourceExtension; querier; constructor(signer, querier) { super(signer, querier); this.querier = querier; this.methods = { createLinkedResourceTx: this.createLinkedResourceTx.bind(this), queryLinkedResource: this.queryLinkedResource.bind(this), queryLinkedResourceMetadata: this.queryLinkedResourceMetadata.bind(this), queryLinkedResources: this.queryLinkedResources.bind(this), }; } getRegistryTypes() { return ResourceModule.registryTypes; } getQuerierExtensionSetup() { return ResourceModule.querierExtensionSetup; } static async signPayload(payload, signInputs) { const signBytes = MsgCreateResourcePayload.encode(payload).finish(); let signatures; if (ISignInputs.isSignInput(signInputs)) { signatures = await CheqdSigningStargateClient.signIdentityTx(signBytes, signInputs); } else { signatures = signInputs; } return { payload, signatures, }; } async createLinkedResourceTx(signInputs, resourcePayload, address, fee, memo, context) { if (!this._signer) { this._signer = context.sdk.signer; } const payload = MsgCreateResourcePayload.fromPartial(resourcePayload); const msg = await ResourceModule.signPayload(payload, signInputs); const encObj = { typeUrl: typeUrlMsgCreateResource, value: msg, }; if (address === '') { address = (await context.sdk.options.wallet.getAccounts())[0].address; } if (!fee) { if (payload.data.length === 0) { throw new Error('Linked resource data is empty'); } fee = await (async function () { const mimeType = await ResourceModule.readMimeType(payload.data); if (mimeType.startsWith('image/')) { return await ResourceModule.generateCreateResourceImageFees(address); } if (mimeType.startsWith('application/json')) { return await ResourceModule.generateCreateResourceJsonFees(address); } return await ResourceModule.generateCreateResourceDefaultFees(address); })(); } return this._signer.signAndBroadcast(address, [encObj], fee, memo); } async queryLinkedResource(collectionId, resourceId, context) { if (!this.querier) { this.querier = context.sdk.querier; } return await this.querier[defaultResourceExtensionKey].resource(collectionId, resourceId); } async queryLinkedResourceMetadata(collectionId, resourceId, context) { if (!this.querier) { this.querier = context.sdk.querier; } return await this.querier[defaultResourceExtensionKey].resourceMetadata(collectionId, resourceId); } async queryLinkedResources(collectionId, context) { if (!this.querier) { this.querier = context.sdk.querier; } return await this.querier[defaultResourceExtensionKey].collectionResources(collectionId); } static async readMimeType(content) { if (isJSON(toString(content, 'utf-8'))) return 'application/json'; return (await fileTypeFromBuffer(content))?.mime ?? 'application/octet-stream'; } static async generateCreateResourceImageFees(feePayer, granter) { return { amount: [ResourceModule.fees.DefaultCreateResourceImageFee], gas: '2000000', payer: feePayer, granter: granter, }; } static async generateCreateResourceJsonFees(feePayer, granter) { return { amount: [ResourceModule.fees.DefaultCreateResourceJsonFee], gas: '2000000', payer: feePayer, granter: granter, }; } static async generateCreateResourceDefaultFees(feePayer, granter) { return { amount: [ResourceModule.fees.DefaultCreateResourceDefaultFee], gas: '2000000', payer: feePayer, granter: granter, }; } } //# sourceMappingURL=resource.js.map