feat(editor): Handle pin data edge cases and unify validation (no-changelog) (#6685)

Github issue / Community forum post (link here to close automatically):

.github/workflows/e2e-reusable.yml

@@ -99,6 +99,8 @@ jobs:
           runTests: false
           install: false
           build: pnpm build
+        env:
+          VUE_APP_MAX_PINNED_DATA_SIZE: 16384
 
       - name: Cypress install
         run: pnpm cypress:install

cypress.config.js

@@ -19,4 +19,9 @@ module.exports = defineConfig({
 		experimentalInteractiveRunEvents: true,
 		experimentalSessionAndOrigin: true,
 	},
+	env: {
+		MAX_PINNED_DATA_SIZE: process.env.VUE_APP_MAX_PINNED_DATA_SIZE
+			? parseInt(process.env.VUE_APP_MAX_PINNED_DATA_SIZE, 10)
+			: 16 * 1024,
+	},
 });

cypress/e2e/13-pinning.cy.ts

@@ -62,13 +62,49 @@ describe('Data pinning', () => {
 
 		workflowPage.actions.saveWorkflowOnButtonClick();
 
-		cy.reload();
 		workflowPage.actions.openNode('Schedule Trigger');
 
 		ndv.getters.outputTableHeaders().first().should('include.text', 'test');
 		ndv.getters.outputTbodyCell(1, 0).should('include.text', 1);
 	});
 
+	it('Should be duplicating pin data when duplicating node', () => {
+		workflowPage.actions.addInitialNodeToCanvas('Schedule Trigger');
+		workflowPage.actions.addNodeToCanvas('Edit Fields', true, true);
+		ndv.getters.container().should('be.visible');
+		ndv.getters.pinDataButton().should('not.exist');
+		ndv.getters.editPinnedDataButton().should('be.visible');
+
+		ndv.actions.setPinnedData([{ test: 1 }]);
+		ndv.actions.close();
+
+		workflowPage.actions.duplicateNode(workflowPage.getters.canvasNodes().last());
+
+		workflowPage.actions.saveWorkflowOnButtonClick();
+
+		workflowPage.actions.openNode('Edit Fields1');
+
+		ndv.getters.outputTableHeaders().first().should('include.text', 'test');
+		ndv.getters.outputTbodyCell(1, 0).should('include.text', 1);
+	});
+
+	it('Should show an error when maximum pin data size is exceeded', () => {
+		workflowPage.actions.addInitialNodeToCanvas('Schedule Trigger');
+		workflowPage.actions.addNodeToCanvas('Edit Fields', true, true);
+		ndv.getters.container().should('be.visible');
+		ndv.getters.pinDataButton().should('not.exist');
+		ndv.getters.editPinnedDataButton().should('be.visible');
+
+		ndv.actions.setPinnedData([
+			{
+				test: '1'.repeat(Cypress.env('MAX_PINNED_DATA_SIZE')),
+			},
+		]);
+		workflowPage.getters
+			.errorToast()
+			.should('contain', 'Workflow has reached the maximum allowed pinned data size');
+	});
+
 	it('Should be able to reference paired items in a node located before pinned data', () => {
 		workflowPage.actions.addInitialNodeToCanvas(MANUAL_TRIGGER_NODE_NAME);
 		workflowPage.actions.addNodeToCanvas(HTTP_REQUEST_NODE_NAME, true, true);

cypress/pages/ndv.ts

@@ -104,7 +104,12 @@ export class NDV extends BasePage {
 			this.getters.pinnedDataEditor().click();
 			this.getters
 				.pinnedDataEditor()
-				.type(`{selectall}{backspace}${JSON.stringify(data).replace(new RegExp('{', 'g'), '{{}')}`);
+				.type(
+					`{selectall}{backspace}${JSON.stringify(data).replace(new RegExp('{', 'g'), '{{}')}`,
+					{
+						delay: 0,
+					},
+				);
 
 			this.actions.savePinnedData();
 		},

cypress/pages/workflow.ts

@@ -2,6 +2,7 @@ import { META_KEY } from '../constants';
 import { BasePage } from './base';
 import { getVisibleSelect } from '../utils';
 import { NodeCreator } from './features/node-creator';
+import Chainable = Cypress.Chainable;
 
 const nodeCreator = new NodeCreator();
 export class WorkflowPage extends BasePage {
@@ -46,8 +47,8 @@ export class WorkflowPage extends BasePage {
 		canvasNodePlusEndpointByName: (nodeName: string, index = 0) => {
 			return cy.get(this.getters.getEndpointSelector('plus', nodeName, index));
 		},
-		successToast: () => cy.get('.el-notification .el-notification--success').parent(),
-		errorToast: () => cy.get('.el-notification .el-notification--error'),
+		successToast: () => cy.get('.el-notification:has(.el-notification--success)'),
+		errorToast: () => cy.get('.el-notification:has(.el-notification--error)'),
 		activatorSwitch: () => cy.getByTestId('workflow-activate-switch'),
 		workflowMenu: () => cy.getByTestId('workflow-menu'),
 		firstStepButton: () => cy.getByTestId('canvas-add-button'),
@@ -186,6 +187,9 @@ export class WorkflowPage extends BasePage {
 		openNode: (nodeTypeName: string) => {
 			this.getters.canvasNodeByName(nodeTypeName).first().dblclick();
 		},
+		duplicateNode: (node: Chainable<JQuery<HTMLElement>>) => {
+			node.find('[data-test-id="duplicate-node-button"]').click({ force: true });
+		},
 		openExpressionEditorModal: () => {
 			cy.contains('Expression').invoke('show').click();
 			cy.getByTestId('expander').invoke('show').click();

packages/editor-ui/src/components/NodeDetailsView.vue

@@ -660,24 +660,12 @@ export default defineComponent({
 				if (shouldPinDataBeforeClosing === MODAL_CONFIRM) {
 					const { value } = this.outputPanelEditMode;
 
-					if (!this.isValidPinDataSize(value)) {
-						dataPinningEventBus.emit('data-pinning-error', {
-							errorType: 'data-too-large',
-							source: 'on-ndv-close-modal',
-						});
-						return;
-					}
-
-					if (!this.isValidPinDataJSON(value)) {
-						dataPinningEventBus.emit('data-pinning-error', {
-							errorType: 'invalid-json',
-							source: 'on-ndv-close-modal',
-						});
-						return;
-					}
-
 					if (this.activeNode) {
-						this.workflowsStore.pinData({ node: this.activeNode, data: jsonParse(value) });
+						try {
+							this.setPinData(this.activeNode, jsonParse(value), 'on-ndv-close-modal');
+						} catch (error) {
+							console.error(error);
+						}
 					}
 				}
 

packages/editor-ui/src/components/NodeExecuteButton.vue

@@ -34,7 +34,6 @@ import type { INodeUi } from '@/Interface';
 import type { INodeTypeDescription } from 'n8n-workflow';
 import { workflowRun } from '@/mixins/workflowRun';
 import { pinData } from '@/mixins/pinData';
-import { dataPinningEventBus } from '@/event-bus';
 import { useWorkflowsStore } from '@/stores/workflows.store';
 import { useNDVStore } from '@/stores/ndv.store';
 import { useNodeTypesStore } from '@/stores/nodeTypes.store';
@@ -228,9 +227,8 @@ export default defineComponent({
 					);
 					shouldUnpinAndExecute = confirmResult === MODAL_CONFIRM;
 
-					if (shouldUnpinAndExecute) {
-						dataPinningEventBus.emit('data-unpinning', { source: 'unpin-and-execute-modal' });
-						this.workflowsStore.unpinData({ node: this.node });
+					if (shouldUnpinAndExecute && this.node) {
+						this.unsetPinData(this.node, 'unpin-and-execute-modal');
 					}
 				}
 

packages/editor-ui/src/components/RunData.vue

@@ -538,9 +538,10 @@ import { externalHooks } from '@/mixins/externalHooks';
 import { genericHelpers } from '@/mixins/genericHelpers';
 import { nodeHelpers } from '@/mixins/nodeHelpers';
 import { pinData } from '@/mixins/pinData';
+import type { PinDataSource } from '@/mixins/pinData';
 import CodeNodeEditor from '@/components/CodeNodeEditor/CodeNodeEditor.vue';
 import { dataPinningEventBus } from '@/event-bus';
-import { clearJsonKey, executionDataToJson, stringSizeInBytes, isEmpty } from '@/utils';
+import { clearJsonKey, executionDataToJson, isEmpty } from '@/utils';
 import { useWorkflowsStore } from '@/stores/workflows.store';
 import { useNDVStore } from '@/stores/ndv.store';
 import { useNodeTypesStore } from '@/stores/nodeTypes.store';
@@ -646,9 +647,6 @@ export default defineComponent({
 		this.init();
 
 		if (!this.isPaneTypeInput) {
-			dataPinningEventBus.on('data-pinning-error', this.onDataPinningError);
-			dataPinningEventBus.on('data-unpinning', this.onDataUnpinning);
-
 			this.showPinDataDiscoveryTooltip(this.jsonData);
 		}
 		this.ndvStore.setNDVBranchIndex({
@@ -660,8 +658,6 @@ export default defineComponent({
 	},
 	beforeUnmount() {
 		this.hidePinDataDiscoveryTooltip();
-		dataPinningEventBus.off('data-pinning-error', this.onDataPinningError);
-		dataPinningEventBus.off('data-unpinning', this.onDataUnpinning);
 	},
 	computed: {
 		...mapStores(useNodeTypesStore, useNDVStore, useWorkflowsStore),
@@ -1028,27 +1024,22 @@ export default defineComponent({
 			this.onExitEditMode({ type: 'cancel' });
 		},
 		onClickSaveEdit() {
+			if (!this.node) {
+				return;
+			}
+
 			const { value } = this.editMode;
 
 			this.clearAllStickyNotifications();
 
-			if (!this.isValidPinDataSize(value)) {
-				this.onDataPinningError({ errorType: 'data-too-large', source: 'save-edit' });
-				return;
-			}
-
-			if (!this.isValidPinDataJSON(value)) {
-				this.onDataPinningError({ errorType: 'invalid-json', source: 'save-edit' });
+			try {
+				this.setPinData(this.node, clearJsonKey(value) as INodeExecutionData[], 'save-edit');
+			} catch (error) {
+				console.error(error);
 				return;
 			}
 
 			this.ndvStore.setOutputPanelEditModeEnabled(false);
-			this.workflowsStore.pinData({
-				node: this.node,
-				data: clearJsonKey(value) as INodeExecutionData[],
-			});
-
-			this.onDataPinningSuccess({ source: 'save-edit' });
 
 			this.onExitEditMode({ type: 'save' });
 		},
@@ -1061,53 +1052,11 @@ export default defineComponent({
 				type,
 			});
 		},
-		onDataUnpinning({
-			source,
-		}: {
-			source: 'banner-link' | 'pin-icon-click' | 'unpin-and-execute-modal';
-		}) {
-			this.$telemetry.track('User unpinned ndv data', {
-				node_type: this.activeNode?.type,
-				session_id: this.sessionId,
-				run_index: this.runIndex,
-				source,
-				data_size: stringSizeInBytes(this.pinData),
-			});
-		},
-		onDataPinningSuccess({ source }: { source: 'pin-icon-click' | 'save-edit' }) {
-			const telemetryPayload = {
-				pinning_source: source,
-				node_type: this.activeNode.type,
-				session_id: this.sessionId,
-				data_size: stringSizeInBytes(this.pinData),
-				view: this.displayMode,
-				run_index: this.runIndex,
-			};
-			void this.$externalHooks().run('runData.onDataPinningSuccess', telemetryPayload);
-			this.$telemetry.track('Ndv data pinning success', telemetryPayload);
-		},
-		onDataPinningError({
-			errorType,
-			source,
-		}: {
-			errorType: 'data-too-large' | 'invalid-json';
-			source: 'on-ndv-close-modal' | 'pin-icon-click' | 'save-edit';
-		}) {
-			this.$telemetry.track('Ndv data pinning failure', {
-				pinning_source: source,
-				node_type: this.activeNode.type,
-				session_id: this.sessionId,
-				data_size: stringSizeInBytes(this.pinData),
-				view: this.displayMode,
-				run_index: this.runIndex,
-				error_type: errorType,
-			});
-		},
-		async onTogglePinData({
-			source,
-		}: {
-			source: 'banner-link' | 'pin-icon-click' | 'unpin-and-execute-modal';
-		}) {
+		async onTogglePinData({ source }: { source: PinDataSource }) {
+			if (!this.node) {
+				return;
+			}
+
 			if (source === 'pin-icon-click') {
 				const telemetryPayload = {
 					node_type: this.activeNode.type,
@@ -1123,20 +1072,17 @@ export default defineComponent({
 			this.updateNodeParameterIssues(this.node);
 
 			if (this.hasPinData) {
-				this.onDataUnpinning({ source });
-				this.workflowsStore.unpinData({ node: this.node });
+				this.unsetPinData(this.node, source);
 				return;
 			}
 
-			if (!this.isValidPinDataSize(this.rawInputData)) {
-				this.onDataPinningError({ errorType: 'data-too-large', source: 'pin-icon-click' });
+			try {
+				this.setPinData(this.node, this.rawInputData, 'pin-icon-click');
+			} catch (error) {
+				console.error(error);
 				return;
 			}
 
-			this.onDataPinningSuccess({ source: 'pin-icon-click' });
-
-			this.workflowsStore.pinData({ node: this.node, data: this.rawInputData });
-
 			if (this.maxRunIndex > 0) {
 				this.showToast({
 					title: this.$locale.baseText('ndv.pinData.pin.multipleRuns.title', {

packages/editor-ui/src/constants.ts

@@ -1,9 +1,12 @@
 import type { NodeCreatorOpenSource } from './Interface';
 import { NodeConnectionType } from 'n8n-workflow';
 
-export const MAX_WORKFLOW_SIZE = 16777216; // Workflow size limit in bytes
-export const MAX_WORKFLOW_PINNED_DATA_SIZE = 12582912; // Workflow pinned data size limit in bytes
-export const MAX_DISPLAY_DATA_SIZE = 204800;
+export const MAX_WORKFLOW_SIZE = 1024 * 1024 * 16; // Workflow size limit in bytes
+export const MAX_EXPECTED_REQUEST_SIZE = 2048; // Expected maximum workflow request metadata (i.e. headers) size in bytes
+export const MAX_PINNED_DATA_SIZE = import.meta.env.VUE_APP_MAX_PINNED_DATA_SIZE
+	? parseInt(import.meta.env.VUE_APP_MAX_PINNED_DATA_SIZE, 10)
+	: 1024 * 1024 * 12; // Workflow pinned data size limit in bytes
+export const MAX_DISPLAY_DATA_SIZE = 1024 * 200;
 export const MAX_DISPLAY_ITEMS_AUTO_ALL = 250;
 
 export const PLACEHOLDER_FILLED_AT_EXECUTION_TIME = '[filled at execution time]';

packages/editor-ui/src/mixins/pinData.ts

@@ -1,17 +1,27 @@
 import { defineComponent } from 'vue';
 import type { INodeUi } from '@/Interface';
-import type { INodeTypeDescription, IPinData } from 'n8n-workflow';
+import type { IPinData, INodeExecutionData } from 'n8n-workflow';
 import { stringSizeInBytes } from '@/utils';
-import { MAX_WORKFLOW_PINNED_DATA_SIZE, PIN_DATA_NODE_TYPES_DENYLIST } from '@/constants';
+import {
+	MAX_EXPECTED_REQUEST_SIZE,
+	MAX_PINNED_DATA_SIZE,
+	MAX_WORKFLOW_SIZE,
+	PIN_DATA_NODE_TYPES_DENYLIST,
+} from '@/constants';
 import { mapStores } from 'pinia';
 import { useWorkflowsStore } from '@/stores/workflows.store';
+import { useNDVStore } from '@/stores/ndv.store';
 import { useToast } from '@/composables';
+import { jsonParse, jsonStringify } from 'n8n-workflow';
 
-export interface IPinDataContext {
-	node: INodeUi;
-	nodeType: INodeTypeDescription;
-	$showError(error: Error, title: string): void;
-}
+export type PinDataSource =
+	| 'pin-icon-click'
+	| 'save-edit'
+	| 'on-ndv-close-modal'
+	| 'duplicate-node'
+	| 'add-nodes';
+
+export type UnpinDataSource = 'unpin-and-execute-modal';
 
 export const pinData = defineComponent({
 	setup() {
@@ -20,7 +30,7 @@ export const pinData = defineComponent({
 		};
 	},
 	computed: {
-		...mapStores(useWorkflowsStore),
+		...mapStores(useWorkflowsStore, useNDVStore),
 		pinData(): IPinData[string] | undefined {
 			return this.node ? this.workflowsStore.pinDataByNodeName(this.node.name) : undefined;
 		},
@@ -83,13 +93,16 @@ export const pinData = defineComponent({
 				return false;
 			}
 		},
-		isValidPinDataSize(data: string | object): boolean {
+		isValidPinDataSize(data: string | object, activeNodeName: string): boolean {
 			if (typeof data === 'object') data = JSON.stringify(data);
 
-			if (
-				this.workflowsStore.pinDataSize + stringSizeInBytes(data) >
-				MAX_WORKFLOW_PINNED_DATA_SIZE
-			) {
+			const { pinData: currentPinData, ...workflow } = this.workflowsStore.getCurrentWorkflow();
+			const workflowJson = jsonStringify(workflow, { replaceCircularRefs: true });
+
+			const newPinData = { ...currentPinData, [activeNodeName]: data };
+			const newPinDataSize = this.workflowsStore.getPinDataSize(newPinData);
+
+			if (newPinDataSize > MAX_PINNED_DATA_SIZE) {
 				this.showError(
 					new Error(this.$locale.baseText('ndv.pinData.error.tooLarge.description')),
 					this.$locale.baseText('ndv.pinData.error.tooLarge.title'),
@@ -98,7 +111,83 @@ export const pinData = defineComponent({
 				return false;
 			}
 
+			if (
+				stringSizeInBytes(workflowJson) + newPinDataSize >
+				MAX_WORKFLOW_SIZE - MAX_EXPECTED_REQUEST_SIZE
+			) {
+				this.showError(
+					new Error(this.$locale.baseText('ndv.pinData.error.tooLargeWorkflow.description')),
+					this.$locale.baseText('ndv.pinData.error.tooLargeWorkflow.title'),
+				);
+
+				return false;
+			}
+
 			return true;
 		},
+		setPinData(node: INodeUi, data: string | INodeExecutionData[], source: PinDataSource): boolean {
+			if (typeof data === 'string') {
+				if (!this.isValidPinDataJSON(data)) {
+					this.onDataPinningError({ errorType: 'invalid-json', source });
+					throw new Error('Invalid JSON');
+				}
+
+				data = jsonParse(data);
+			}
+
+			if (!this.isValidPinDataSize(data, node.name)) {
+				this.onDataPinningError({ errorType: 'data-too-large', source });
+				throw new Error('Data too large');
+			}
+
+			this.onDataPinningSuccess({ source });
+			this.workflowsStore.pinData({ node, data: data as INodeExecutionData[] });
+		},
+		unsetPinData(node: INodeUi, source: UnpinDataSource): void {
+			this.onDataUnpinning({ source });
+			this.workflowsStore.unpinData({ node });
+		},
+		onDataPinningSuccess({ source }: { source: PinDataSource }) {
+			const telemetryPayload = {
+				pinning_source: source,
+				node_type: this.activeNode?.type,
+				session_id: this.sessionId,
+				data_size: stringSizeInBytes(this.pinData),
+				view: this.displayMode,
+				run_index: this.runIndex,
+			};
+			void this.$externalHooks().run('runData.onDataPinningSuccess', telemetryPayload);
+			this.$telemetry.track('Ndv data pinning success', telemetryPayload);
+		},
+		onDataPinningError({
+			errorType,
+			source,
+		}: {
+			errorType: 'data-too-large' | 'invalid-json';
+			source: PinDataSource;
+		}) {
+			this.$telemetry.track('Ndv data pinning failure', {
+				pinning_source: source,
+				node_type: this.activeNode?.type,
+				session_id: this.sessionId,
+				data_size: stringSizeInBytes(this.pinData),
+				view: this.displayMode,
+				run_index: this.runIndex,
+				error_type: errorType,
+			});
+		},
+		onDataUnpinning({
+			source,
+		}: {
+			source: 'banner-link' | 'pin-icon-click' | 'unpin-and-execute-modal';
+		}) {
+			this.$telemetry.track('User unpinned ndv data', {
+				node_type: this.activeNode?.type,
+				session_id: this.sessionId,
+				run_index: this.runIndex,
+				source,
+				data_size: stringSizeInBytes(this.pinData),
+			});
+		},
 	},
 });

packages/editor-ui/src/plugins/i18n/locales/en.json

@@ -795,8 +795,10 @@
 	"ndv.pinData.beforeClosing.title": "Save output changes before closing?",
 	"ndv.pinData.beforeClosing.cancel": "Discard",
 	"ndv.pinData.beforeClosing.confirm": "Save",
-	"ndv.pinData.error.tooLarge.title": "Output data is too large to pin",
-	"ndv.pinData.error.tooLarge.description": "You can pin at most 12MB of output per workflow.",
+	"ndv.pinData.error.tooLarge.title": "Pinned data too big",
+	"ndv.pinData.error.tooLarge.description": "Workflow has reached the maximum allowed pinned data size",
+	"ndv.pinData.error.tooLargeWorkflow.title": "Pinned data too big",
+	"ndv.pinData.error.tooLargeWorkflow.description": "Workflow has reached the maximum allowed size",
 	"noTagsView.readyToOrganizeYourWorkflows": "Ready to organize your workflows?",
 	"noTagsView.withWorkflowTagsYouReFree": "With workflow tags, you're free to create the perfect tagging system for your flows",
 	"node.thisIsATriggerNode": "This is a Trigger node. <a target=\"_blank\" href=\"https://docs.n8n.io/workflows/components/nodes/\">Learn more</a>",

packages/editor-ui/src/shims.d.ts

@@ -13,6 +13,7 @@ declare global {
 			PROD: boolean;
 			NODE_ENV: 'development' | 'production';
 			VUE_APP_URL_BASE_API: string;
+			VUE_APP_MAX_PINNED_DATA_SIZE: string;
 		};
 	}
 

packages/editor-ui/src/stores/workflows.store.ts

@@ -61,7 +61,7 @@ import type {
 import { deepCopy, NodeHelpers, Workflow } from 'n8n-workflow';
 import { findLast } from 'lodash-es';
 
-import { useRootStore } from './n8nRoot.store';
+import { useRootStore } from '@/stores/n8nRoot.store';
 import {
 	getActiveWorkflows,
 	getCurrentExecutions,
@@ -71,7 +71,7 @@ import {
 	getWorkflow,
 	getWorkflows,
 } from '@/api/workflows';
-import { useUIStore } from './ui.store';
+import { useUIStore } from '@/stores/ui.store';
 import { dataPinningEventBus } from '@/event-bus';
 import {
 	isJsonKeyObject,
@@ -82,8 +82,8 @@ import {
 	makeRestApiRequest,
 	unflattenExecutionData,
 } from '@/utils';
-import { useNDVStore } from './ndv.store';
-import { useNodeTypesStore } from './nodeTypes.store';
+import { useNDVStore } from '@/stores/ndv.store';
+import { useNodeTypesStore } from '@/stores/nodeTypes.store';
 import { useUsersStore } from '@/stores/users.store';
 import { useSettingsStore } from '@/stores/settings.store';
 
@@ -237,17 +237,6 @@ export const useWorkflowsStore = defineStore(STORES.WORKFLOWS, {
 		getPinData(): IPinData | undefined {
 			return this.workflow.pinData;
 		},
-		pinDataSize(): number {
-			const ndvStore = useNDVStore();
-			const activeNode = ndvStore.activeNodeName;
-			return this.workflow.nodes.reduce((acc, node) => {
-				if (typeof node.pinData !== 'undefined' && node.name !== activeNode) {
-					acc += stringSizeInBytes(node.pinData);
-				}
-
-				return acc;
-			}, 0);
-		},
 		shouldReplaceInputDataWithPinData(): boolean {
 			return !this.activeWorkflowExecution || this.activeWorkflowExecution?.mode === 'manual';
 		},
@@ -283,6 +272,11 @@ export const useWorkflowsStore = defineStore(STORES.WORKFLOWS, {
 		},
 	},
 	actions: {
+		getPinDataSize(pinData: Record<string, string | INodeExecutionData[]> = {}): number {
+			return Object.values(pinData).reduce<number>((acc, value) => {
+				return acc + stringSizeInBytes(value);
+			}, 0);
+		},
 		getNodeTypes(): INodeTypes {
 			const nodeTypes: INodeTypes = {
 				nodeTypes: {},

packages/editor-ui/src/views/NodeView.vue

@@ -241,6 +241,7 @@ import { useUniqueNodeName } from '@/composables/useUniqueNodeName';
 import { useI18n } from '@/composables/useI18n';
 import { workflowHelpers } from '@/mixins/workflowHelpers';
 import { workflowRun } from '@/mixins/workflowRun';
+import { pinData } from '@/mixins/pinData';
 
 import NodeDetailsView from '@/components/NodeDetailsView.vue';
 import Node from '@/components/Node.vue';
@@ -367,6 +368,7 @@ export default defineComponent({
 		workflowHelpers,
 		workflowRun,
 		debounceHelper,
+		pinData,
 	],
 	components: {
 		NodeDetailsView,
@@ -1719,10 +1721,6 @@ export default defineComponent({
 					});
 				});
 
-				if (workflowData.pinData) {
-					this.workflowsStore.setWorkflowPinData(workflowData.pinData);
-				}
-
 				const tagsEnabled = this.settingsStore.areTagsEnabled;
 				if (importTags && tagsEnabled && Array.isArray(workflowData.tags)) {
 					const allTags = await this.tagsStore.fetchAll();
@@ -3234,12 +3232,13 @@ export default defineComponent({
 
 				await this.addNodes([newNodeData], [], true);
 
-				const pinData = this.workflowsStore.pinDataByNodeName(nodeName);
-				if (pinData) {
-					this.workflowsStore.pinData({
-						node: newNodeData,
-						data: pinData,
-					});
+				const pinDataForNode = this.workflowsStore.pinDataByNodeName(nodeName);
+				if (pinDataForNode?.length) {
+					try {
+						this.setPinData(newNodeData, pinDataForNode, 'duplicate-node');
+					} catch (error) {
+						console.error(error);
+					}
 				}
 
 				this.uiStore.stateIsDirty = true;
@@ -3963,6 +3962,29 @@ export default defineComponent({
 				tempWorkflow.renameNode(oldName, nodeNameTable[oldName]);
 			}
 
+			if (data.pinData) {
+				let pinDataSuccess = true;
+				for (const nodeName of Object.keys(data.pinData)) {
+					// Pin data limit reached
+					if (!pinDataSuccess) {
+						this.showError(
+							new Error(this.$locale.baseText('ndv.pinData.error.tooLarge.description')),
+							this.$locale.baseText('ndv.pinData.error.tooLarge.title'),
+						);
+						continue;
+					}
+
+					const node = tempWorkflow.nodes[nodeNameTable[nodeName]];
+					try {
+						this.setPinData(node, data.pinData![nodeName], 'add-nodes');
+						pinDataSuccess = true;
+					} catch (error) {
+						pinDataSuccess = false;
+						console.error(error);
+					}
+				}
+			}
+
 			// Add the nodes with the changed node names, expressions and connections
 			this.historyStore.startRecordingUndo();
 			await this.addNodes(

scripts/run-e2e.js

@@ -13,6 +13,7 @@ function runTests(options) {
 	process.env.N8N_USER_FOLDER = userFolder;
 	process.env.E2E_TESTS = 'true';
 	process.env.NODE_OPTIONS = '--dns-result-order=ipv4first';
+	process.env.VUE_APP_MAX_PINNED_DATA_SIZE = `${16 * 1024}`;
 
 	if (options.customEnv) {
 		Object.keys(options.customEnv).forEach((key) => {