v0.4.13

• Document versioning scheme
• Rework WASM API to return TSResult<T> = { Success: T } | { Error: JsErrorData } without triggering exceptions
• Rework sum and currency into a coherent Sum type that's ready for multi-currency and exchange rates (breaking DB change)
• Refactor the transport layer to distinguish between protocol and the rest and to use borsh for serialization on our side
• Add strong types for SchnorrSignature, Sha256Hash, BlockId, File types, Mint types and use PublicKey and SecretKey in protocol types (breaking DB change)
• Use bytes without encoding for bill data (breaking DB change)
• Fix plaintext-chain rendering - the nesting of data now works properly and one JSON.parse call is enough (breaking API change)
• Add IdentityType to IdentityCreateBlockData and IdentityUpdateBlockData
• Remove BackupService and BackupStore since it's unused
• Remove file-based FileUpload - we use surreal/nostr-based everywhere
• Refactoring & Restructuring, removing cross-crate exports (breaking for Library dependents)
• Properly separate protocol parts from application in bcr-ebill-core (breaking for Library dependents, breaking DB change)
• Remove email from anon identities and contacts
• Change document max file size to 10 MB and max files on bill to 20
• Add request deadlines to BillHistoryBlock
• Remove identity_proof API and adapt and move to new email confirmation API
• Add dev mode flag disable_mandatory_email_confirmations, to make it easier for testing
• Identity Confirmation via Email
  • Add persistence
  • Adapt create_identity and deanonymize to require a confirmed email for identified users
  • Add endpoints to confirm, verify an email address and to get_email_confirmations
  • Adapt IdentityProof Block to include the email confirmation signed by the mint
  • Split up update_identity and update_email for identity and create identity proof block on email update
  • Change flow for company creation to first call create_company_keys to get a key pair and node id, then confirm email of creator, then create company
    • Add email to signatory and use a data structure for signatories (breaking API and DB change)
  • Adapt signatory handling for companies
    • API for inviting signatories
    • API to accept/reject company invites
    • Restructured company persistence - company table is now a cache, calculated from the chain (similar to bills)
    • Added possibility to locally hide past invites
  • Add notification when being invited to a company
  • Add signer_identity_proof to bill block data and verify it
• Add Contact Handshake

Version: v0.4.13