docs(readme): update readme with new cli and usage information
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README.md
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README.md
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# Motr Enclave
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Motr Enclave is an [Extism](https://extism.org) plugin that provides encrypted key storage for the Nebula wallet. Built with Go 1.25+ and compiled for the `wasip1` target, it embeds a SQLite database for managing sensitive identity and cryptographic material.
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Extism WASM plugin providing encrypted key storage for Nebula wallet. Built with Go 1.25+ for `wasip1`.
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## Overview
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## Quick Start
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The enclave runs as a portable WASM plugin with an embedded SQLite database. All data is encrypted at rest using a secret derived from the user's WebAuthn credentials. The plugin can be loaded by any Extism host runtime (browser, Node.js, Python, Rust, etc.).
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```bash
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make start
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```
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## Architecture
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This single command:
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1. Installs dependencies (Go, Bun)
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2. Builds the WASM plugin
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3. Builds the TypeScript SDK
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4. Starts the dev server at http://localhost:8080
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```text
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┌─────────────────────────────────────────────────────────────────────┐
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│ NEBULA WALLET │
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├─────────────────────────────────────────────────────────────────────┤
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│ │
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│ ┌──────────────────────┐ ┌──────────────────────────────────┐ │
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│ │ Extism Plugin │ │ API Clients (Live Data) │ │
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│ │ (Go/wasip1) │ │ │ │
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│ ├──────────────────────┤ ├──────────────────────────────────┤ │
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│ │ • WebAuthn Creds │ │ • Token Balances │ │
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│ │ • MPC Key Shares │ │ • Transaction History │ │
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│ │ • UCAN Tokens │ │ • NFT Holdings │ │
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│ │ • Device Sessions │ │ • Price Data │ │
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│ │ • Service Grants │ │ • Chain State │ │
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│ │ • DID State │ │ • Network Status │ │
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│ │ • Capability Delgs │ │ │ │
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│ └──────────────────────┘ └──────────────────────────────────┘ │
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│ │ │ │
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│ │ Encrypted with │ REST/gRPC │
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│ │ WebAuthn-derived key │ │
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│ ▼ ▼ │
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│ ┌──────────────────────┐ ┌──────────────────────────────────┐ │
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│ │ IPFS (CID Storage) │ │ Sonr Protocol / Indexers │ │
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│ │ Browser Storage │ │ (PostgreSQL for live queries) │ │
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│ └──────────────────────┘ └──────────────────────────────────┘ │
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└─────────────────────────────────────────────────────────────────────┘
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## Manual Setup
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```bash
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make deps # Install tooling
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make build # Build WASM plugin
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make sdk # Build TypeScript SDK
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make dev # Start dev server
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```
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## Usage
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### TypeScript/ESM
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```typescript
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import { createEnclave } from '@sonr/motr-enclave';
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const enclave = await createEnclave('/enclave.wasm');
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const { did, database } = await enclave.generate(credential);
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await enclave.load(database);
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const accounts = await enclave.exec('resource:accounts action:list');
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const didDoc = await enclave.query();
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```
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### CLI
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```bash
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make test-plugin
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```
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## Plugin Functions
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The Extism plugin exposes four host-callable functions:
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### `generate()`
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Initializes the database and generates initial MPC key shares.
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- **Input**: Base64-encoded `PublicKeyCredential` from a WebAuthn registration ceremony
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- **Output**: Serialized database buffer ready for storage
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- **Side Effects**: Creates DID document, credentials, and key shares
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### `load()`
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Loads an existing database from a serialized buffer.
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- **Input**: Raw database bytes (typically resolved from an IPFS CID)
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- **Output**: Success/error status
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- **Usage**: Client resolves CID from IPFS, passes buffer to plugin
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### `exec()`
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Executes an action by parsing a UCAN token with GitHub-style filter syntax.
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- **Input**: Filter string (e.g., `resource:accounts action:sign subject:did:sonr:abc`)
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- **Output**: Action result or error
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- **Authorization**: Validates UCAN capability chain before execution
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### `query()`
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Resolves a DID to its document and queries associated resources.
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- **Input**: DID string (e.g., `did:sonr:abc123`)
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- **Output**: JSON-encoded DID document with resolved resources
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- **Usage**: Lookup identity state, verification methods, accounts
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## Data Storage
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The embedded SQLite database stores security-critical information:
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- **Identity**: DID documents and verification methods
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- **Credentials**: WebAuthn registrations for device-bound authentication
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- **Key Material**: MPC key shares and derived blockchain accounts
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- **Authorization**: UCAN tokens, capability delegations, and service grants
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- **State**: Active sessions and protocol sync checkpoints
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## Security Model
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The enclave uses WebAuthn PRF (Pseudo-Random Function) extension to derive encryption keys. During authentication, the PRF output is passed through HKDF to generate a 256-bit AES key. This key encrypts the SQLite database before serialization to IPFS or local storage.
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| Function | Input | Output |
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|----------|-------|--------|
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| `generate` | WebAuthn credential (base64) | DID + database buffer |
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| `load` | Database buffer | Success status |
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| `exec` | Filter string + optional UCAN | Action result |
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| `query` | DID (optional) | DID document |
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## Project Structure
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```
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motr-enclave/
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├── db/
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│ ├── schema.sql # Database schema (12 tables)
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│ └── query.sql # SQLC query definitions
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├── example/
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│ ├── index.html # Browser test UI
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│ └── test.js # Extism JS SDK test harness
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├── sqlc.yaml # SQLC configuration
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├── Makefile # Build commands
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└── main.go # Plugin entry point
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├── main.go # Go plugin source
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├── src/ # TypeScript SDK
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├── dist/ # Built SDK
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├── example/ # Browser test app
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├── db/ # SQLite schema
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└── Makefile
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```
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## Development
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### Prerequisites
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- [Go](https://go.dev/doc/install) 1.25+
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- [SQLC](https://sqlc.dev/) for database code generation
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- [Extism CLI](https://extism.org/docs/install) (optional, for testing)
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### Building
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```bash
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make build # Build WASM for wasip1
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make generate # Regenerate SQLC database code
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make test # Run tests
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make test # Run Go tests
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make lint # Run linter
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make clean # Remove build artifacts
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```
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### Testing the Plugin
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**CLI Testing:**
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```bash
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extism call ./build/enclave.wasm generate --input '{"credential": "dGVzdA=="}' --wasi
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extism call ./build/enclave.wasm query --input '{"did": "did:sonr:abc123"}' --wasi
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```
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**Browser Testing:**
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```bash
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make serve
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# Open http://localhost:8080/example/ in your browser
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```
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The browser test UI provides interactive testing of all plugin functions with real-time output.
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## Tables
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| Table | Description |
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|-------|-------------|
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| `did_documents` | Local cache of Sonr DID state |
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| `verification_methods` | Cryptographic keys for DID operations |
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| `credentials` | WebAuthn credential storage |
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| `key_shares` | MPC/TSS key shares (encrypted) |
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| `accounts` | Derived blockchain accounts |
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| `ucan_tokens` | Capability authorization tokens |
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| `ucan_revocations` | Revoked UCAN registry |
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| `sessions` | Active device sessions |
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| `services` | Connected third-party dApps |
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| `grants` | Service permissions |
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| `delegations` | Capability delegation chains |
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| `sync_checkpoints` | Protocol sync state |
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