src/hooks/useSigitMeta.tsx

@@ -11,7 +11,6 @@ import {
   hexToNpub,
   parseNostrEvent,
   parseCreateSignatureEventContent,
-  SigitMetaParseError,
   SigitStatus,
   SignStatus
 } from '../utils'
@@ -21,6 +20,7 @@ import { Event } from 'nostr-tools'
 import store from '../store/store'
 import { AuthState } from '../store/auth/types'
 import { NostrController } from '../controllers'
+import { MetaParseError } from '../types/errors/MetaParseError'
 
 /**
  * Flattened interface that combines properties `Meta`, `CreateSignatureEventContent`,
@@ -247,7 +247,7 @@ export const useSigitMeta = (meta: Meta): FlatMeta => {
           )
         }
       } catch (error) {
-        if (error instanceof SigitMetaParseError) {
+        if (error instanceof MetaParseError) {
           toast.error(error.message)
         }
         console.error(error)

src/layouts/StickySideColumns.tsx

@@ -17,9 +17,11 @@ export const StickySideColumns = ({
       <div className={`${styles.sidesWrap} ${styles.files}`}>
         <div className={styles.sides}>{left}</div>
       </div>
+      <div>
         <div id="content-preview" className={styles.content}>
           {children}
         </div>
+      </div>
       <div className={styles.sidesWrap}>
         <div className={styles.sides}>{right}</div>
       </div>

src/pages/create/index.tsx

@@ -514,6 +514,9 @@ export const CreatePage = () => {
         return (
           file.pages?.flatMap((page, index) => {
             return page.drawnFields.map((drawnField) => {
+              if (!drawnField.counterpart) {
+                throw new Error('Missing counterpart')
+              }
               return {
                 type: drawnField.type,
                 location: {
@@ -670,6 +673,7 @@ export const CreatePage = () => {
   }
 
   const generateCreateSignature = async (
+    markConfig: Mark[],
     fileHashes: {
       [key: string]: string
     },
@@ -677,7 +681,6 @@ export const CreatePage = () => {
   ) => {
     const signers = users.filter((user) => user.role === UserRole.signer)
     const viewers = users.filter((user) => user.role === UserRole.viewer)
-    const markConfig = createMarks(fileHashes)
 
     const content: CreateSignatureEventContent = {
       signers: signers.map((signer) => hexToNpub(signer.pubkey)),
@@ -721,15 +724,13 @@ export const CreatePage = () => {
   }
 
   const handleCreate = async () => {
+    try {
       if (!validateInputs()) return
 
       setIsLoading(true)
       setLoadingSpinnerDesc('Generating file hashes')
       const fileHashes = await generateFileHashes()
-    if (!fileHashes) {
-      setIsLoading(false)
-      return
-    }
+      if (!fileHashes) return
 
       setLoadingSpinnerDesc('Generating encryption key')
       const encryptionKey = await generateEncryptionKey()
@@ -737,10 +738,7 @@ export const CreatePage = () => {
       if (await isOnline()) {
         setLoadingSpinnerDesc('generating files.zip')
         const arrayBuffer = await generateFilesZip()
-      if (!arrayBuffer) {
-        setIsLoading(false)
-        return
-      }
+        if (!arrayBuffer) return
 
         setLoadingSpinnerDesc('Encrypting files.zip')
         const encryptedArrayBuffer = await encryptZipFile(
@@ -748,19 +746,19 @@ export const CreatePage = () => {
           encryptionKey
         )
 
+        const markConfig = createMarks(fileHashes)
+
         setLoadingSpinnerDesc('Uploading files.zip to file storage')
         const fileUrl = await uploadFile(encryptedArrayBuffer)
-      if (!fileUrl) {
-        setIsLoading(false)
-        return
-      }
+        if (!fileUrl) return
 
         setLoadingSpinnerDesc('Generating create signature')
-      const createSignature = await generateCreateSignature(fileHashes, fileUrl)
-      if (!createSignature) {
-        setIsLoading(false)
-        return
-      }
+        const createSignature = await generateCreateSignature(
+          markConfig,
+          fileHashes,
+          fileUrl
+        )
+        if (!createSignature) return
 
         setLoadingSpinnerDesc('Generating keys for decryption')
 
@@ -772,11 +770,8 @@ export const CreatePage = () => {
         }
 
         const keys = await generateKeys(pubkeys, encryptionKey)
+        if (!keys) return
 
-      if (!keys) {
-        setIsLoading(false)
-        return
-      }
         const meta: Meta = {
           createSignature,
           keys,
@@ -786,10 +781,7 @@ export const CreatePage = () => {
 
         setLoadingSpinnerDesc('Updating user app data')
         const event = await updateUsersAppData(meta)
-      if (!event) {
-        setIsLoading(false)
-        return
-      }
+        if (!event) return
 
         setLoadingSpinnerDesc('Sending notifications to counterparties')
         const promises = sendNotifications(meta)
@@ -810,12 +802,15 @@ export const CreatePage = () => {
           zip.file(`files/${file.name}`, file)
         })
 
+        const markConfig = createMarks(fileHashes)
+
         setLoadingSpinnerDesc('Generating create signature')
-      const createSignature = await generateCreateSignature(fileHashes, '')
-      if (!createSignature) {
-        setIsLoading(false)
-        return
-      }
+        const createSignature = await generateCreateSignature(
+          markConfig,
+          fileHashes,
+          ''
+        )
+        if (!createSignature) return
 
         const meta: Meta = {
           createSignature,
@@ -834,10 +829,7 @@ export const CreatePage = () => {
         }
 
         const arrayBuffer = await generateZipFile(zip)
-      if (!arrayBuffer) {
-        setIsLoading(false)
-        return
-      }
+        if (!arrayBuffer) return
 
         setLoadingSpinnerDesc('Encrypting zip file')
         const encryptedArrayBuffer = await encryptZipFile(
@@ -847,6 +839,14 @@ export const CreatePage = () => {
 
         await handleOfflineFlow(encryptedArrayBuffer, encryptionKey)
       }
+    } catch (error) {
+      if (error instanceof Error) {
+        toast.error(error.message)
+      }
+      console.error(error)
+    } finally {
+      setIsLoading(false)
+    }
   }
 
   const onDrawFieldsChange = (sigitFiles: SigitFile[]) => {
@@ -893,7 +893,7 @@ export const CreatePage = () => {
               <ol className={`${styles.paperGroup} ${styles.orderedFilesList}`}>
                 {selectedFiles.length > 0 &&
                   selectedFiles.map((file, index) => (
-                    <div
+                    <li
                       key={index}
                       className={`${fileListStyles.fileItem} ${isActive(file) && fileListStyles.active}`}
                       onClick={() => {
@@ -901,9 +901,9 @@ export const CreatePage = () => {
                         setCurrentFile(file)
                       }}
                     >
-                      <>
                       <span className={styles.fileName}>{file.name}</span>
                       <Button
+                        aria-label={`delete ${file.name}`}
                         variant="text"
                         onClick={(event) => handleRemoveFile(event, file)}
                         sx={{
@@ -912,21 +912,21 @@ export const CreatePage = () => {
                       >
                         <FontAwesomeIcon icon={faTrash} />
                       </Button>
-                      </>
-                    </div>
+                    </li>
                   ))}
               </ol>
               <Button variant="contained" onClick={handleUploadButtonClick}>
                 <FontAwesomeIcon icon={faUpload} />
                 <span className={styles.uploadFileText}>Upload new files</span>
+              </Button>
               <input
                 ref={fileInputRef}
                 hidden={true}
                 multiple={true}
                 type="file"
+                aria-label="file-upload"
                 onChange={handleSelectFiles}
               />
-              </Button>
             </div>
           }
           right={

src/pages/sign/index.tsx

@@ -542,10 +542,13 @@ export const SignPage = () => {
     setLoadingSpinnerDesc('Signing nostr event')
 
     const prevSig = getPrevSignersSig(hexToNpub(usersPubkey!))
-    if (!prevSig) return
+    if (!prevSig) {
+      setIsLoading(false)
+      toast.error('Previous signature is invalid')
+      return
+    }
 
-    const marks = getSignerMarksForMeta()
-    if (!marks) return
+    const marks = getSignerMarksForMeta() || []
 
     const signedEvent = await signEventForMeta({ prevSig, marks })
     if (!signedEvent) return

src/types/errors/MetaParseError.ts

@@ -0,0 +1,23 @@
+import { Jsonable } from '.'
+
+// Reuse common error messages for meta parsing
+export enum MetaParseErrorType {
+  'PARSE_ERROR_EVENT' = 'error occurred in parsing the create signature event',
+  'PARSE_ERROR_SIGNATURE_EVENT_CONTENT' = "err in parsing the createSignature event's content"
+}
+
+export class MetaParseError extends Error {
+  public readonly context?: Jsonable
+
+  constructor(
+    message: string,
+    options: { cause?: Error; context?: Jsonable } = {}
+  ) {
+    const { cause, context } = options
+
+    super(message, { cause })
+    this.name = this.constructor.name
+
+    this.context = context
+  }
+}

src/types/errors/index.ts

@@ -0,0 +1,29 @@
+export type Jsonable =
+  | string
+  | number
+  | boolean
+  | null
+  | undefined
+  | readonly Jsonable[]
+  | { readonly [key: string]: Jsonable }
+  | { toJSON(): Jsonable }
+
+/**
+ * Handle errors
+ * Wraps the errors without message property and stringify to a message so we can use it later
+ * @param error
+ * @returns
+ */
+export function handleError(error: unknown): Error {
+  if (error instanceof Error) return error
+
+  // No message error, wrap it and stringify
+  let stringified = 'Unable to stringify the thrown value'
+  try {
+    stringified = JSON.stringify(error)
+  } catch (error) {
+    console.error(stringified, error)
+  }
+
+  return new Error(`Wrapped Error: ${stringified}`)
+}

src/utils/mark.ts

@@ -47,7 +47,7 @@ const filterMarksByPubkey = (marks: Mark[], pubkey: string): Mark[] => {
 
 /**
  * Takes Signed Doc Signatures part of Meta and extracts
- * all Marks into one flar array, regardless of the user.
+ * all Marks into one flat array, regardless of the user.
  * @param meta
  */
 const extractMarksFromSignedMeta = (meta: Meta): Mark[] => {

src/utils/meta.ts

@@ -3,6 +3,11 @@ import { fromUnixTimestamp, parseJson } from '.'
 import { Event, verifyEvent } from 'nostr-tools'
 import { toast } from 'react-toastify'
 import { extractFileExtensions } from './file'
+import { handleError } from '../types/errors'
+import {
+  MetaParseError,
+  MetaParseErrorType
+} from '../types/errors/MetaParseError'
 
 export enum SignStatus {
   Signed = 'Signed',
@@ -17,58 +22,6 @@ export enum SigitStatus {
   Complete = 'Completed'
 }
 
-type Jsonable =
-  | string
-  | number
-  | boolean
-  | null
-  | undefined
-  | readonly Jsonable[]
-  | { readonly [key: string]: Jsonable }
-  | { toJSON(): Jsonable }
-
-export class SigitMetaParseError extends Error {
-  public readonly context?: Jsonable
-
-  constructor(
-    message: string,
-    options: { cause?: Error; context?: Jsonable } = {}
-  ) {
-    const { cause, context } = options
-
-    super(message, { cause })
-    this.name = this.constructor.name
-
-    this.context = context
-  }
-}
-
-/**
- * Handle meta errors
- * Wraps the errors without message property and stringify to a message so we can use it later
- * @param error
- * @returns
- */
-function handleError(error: unknown): Error {
-  if (error instanceof Error) return error
-
-  // No message error, wrap it and stringify
-  let stringified = 'Unable to stringify the thrown value'
-  try {
-    stringified = JSON.stringify(error)
-  } catch (error) {
-    console.error(stringified, error)
-  }
-
-  return new Error(`[SiGit Error]: ${stringified}`)
-}
-
-// Reuse common error messages for meta parsing
-export enum SigitMetaParseErrorType {
-  'PARSE_ERROR_EVENT' = 'error occurred in parsing the create signature event',
-  'PARSE_ERROR_SIGNATURE_EVENT_CONTENT' = "err in parsing the createSignature event's content"
-}
-
 export interface SigitCardDisplayInfo {
   createdAt?: number
   title?: string
@@ -89,7 +42,7 @@ export const parseNostrEvent = async (raw: string): Promise<Event> => {
     const event = await parseJson<Event>(raw)
     return event
   } catch (error) {
-    throw new SigitMetaParseError(SigitMetaParseErrorType.PARSE_ERROR_EVENT, {
+    throw new MetaParseError(MetaParseErrorType.PARSE_ERROR_EVENT, {
       cause: handleError(error),
       context: raw
     })
@@ -109,8 +62,8 @@ export const parseCreateSignatureEventContent = async (
       await parseJson<CreateSignatureEventContent>(raw)
     return createSignatureEventContent
   } catch (error) {
-    throw new SigitMetaParseError(
-      SigitMetaParseErrorType.PARSE_ERROR_SIGNATURE_EVENT_CONTENT,
+    throw new MetaParseError(
+      MetaParseErrorType.PARSE_ERROR_SIGNATURE_EVENT_CONTENT,
       {
         cause: handleError(error),
         context: raw
@@ -165,7 +118,7 @@ export const extractSigitCardDisplayInfo = async (meta: Meta) => {
 
     return sigitInfo
   } catch (error) {
-    if (error instanceof SigitMetaParseError) {
+    if (error instanceof MetaParseError) {
       toast.error(error.message)
       console.error(error.name, error.message, error.cause, error.context)
     } else {