StarkVault

StarkVault is a smart contract built on StarkNet for managing and verifying digital documents. It allows users to mint documents as unique tokens, store metadata, and retrieve them securely.

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Features

• Mint Document: Create a new document token with owner, hash, and authenticity score.
• Get Document: Retrieve the owner, file hash, and authenticity score of a document by token ID.
• Event Emission: Emits an event when a document is minted.
• Secure Storage: All data is stored on-chain using StarkNet's storage maps.

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Smart Contract Overview

• token_counter: Tracks total minted documents.
• document_owner: Maps token IDs to owner addresses.
• document_hash: Maps token IDs to the document's file hash.
• document_score: Maps token IDs to authenticity scores.

Key Functions

• constructor(): Initializes the token counter.
• mint_document(owner, file_hash, authenticity_score) -> token_id: Mints a new document.
• get_document(token_id) -> (owner, file_hash, authenticity_score): Returns document info.

Event

• DocumentMinted(token_id, owner, file_hash, authenticity_score): Triggered when a new document is minted.

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Deployment

The smart contract is written in Cairo (StarkNet v0.12+ compatible).

Example deployment steps (frontend developer or devops):

1. Build the contract:

   scarb build