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dstore

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UpdatedJune 29, 2026 at 20:16

Unified decentralized storage over filecoin + hippius, with MetaMask SIWE auth and Next.js app.

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modc2

modc2/mod

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SKILL.md

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name	dstore
description	Unified decentralized storage over filecoin + hippius, with MetaMask SIWE auth and Next.js app.
type	orbit-module

dstore

Decentralized storage facade over the filecoin and hippius orbit modules. Includes a FastAPI gateway with EIP-4361 (SIWE) MetaMask sign-in and a Next.js app for browser uploads.

The name store is taken by mod/core/dstore/ (a local-FS key-value store). This module is its decentralized counterpart. The filecoin and hippius backends are also exposed as adapters under mod/core/dstore/src/.

Capabilities

put / get / pin / list across filecoin + hippius backends
Per-owner indexing keyed by Ethereum address from SIWE
FastAPI gateway: /nonce, /verify, /put, /get, /list, /pin
Next.js app: MetaMask connect → SIWE sign-in → upload to backend
Owner-scoped object lists pulled from local SQLite index

Usage

Python

import mod as m
s = m.mod('dstore')()
s.put('/path/to/file', backend='both', owner='0xabc')
s.get('bafy...')
s.list(owner='0xabc')
s.status()

CLI

m ddstore/status
m ddstore/backends
m ddstore/put /path/to/file backend=filecoin owner=0xabc
m ddstore/get bafy...
m ddstore/list owner=0xabc
m ddstore/start    # start filecoin + hippius daemons

Serve API + app

m ddstore/serve            # via mod core (api + app)
# or directly:
cd ~/mod/mod/orbit/store && uvicorn api.api:app --port 50150 --reload
cd ~/mod/mod/orbit/dstore/app && npm install && npm run dev

App: http://localhost:50151 — API: http://localhost:50150

SIWE auth flow

client                            server
  | --- GET /nonce?address=0x... ----> |
  | <-- {nonce, domain, origin} ------ |
  | (MetaMask personal_sign SIWE msg)  |
  | --- POST /verify {msg,sig} ------> |
  |   server: ecrecover + nonce check  |
  | <-- {token, expires_in} ---------- |
  | --- Authorization: Bearer <tok> -> |  (all auth'd endpoints)

Tokens are HMAC-SHA256 over a JSON payload {sub: address, exp: ...}, signed with STORE_JWT_SECRET.

API

Function	Description
`put(path, backend='filecoin', owner=None, key=None)`	Upload to filecoin / hippius / both.
`get(cid, backend=None, out=None)`	Retrieve by CID, with cross-backend fallback.
`pin(cid, backend, owner=None)`	Pin a CID on chosen backend(s).
`list(owner=None, backend=None, limit=100)`	List indexed objects.
`rm(cid)`	Drop a record.
`status()`	Module + backend status.
`backends()`	Available backends.
`start()`	Start both backend daemons.
`stop()`	Stop both backend daemons.

Structure

dstore/
├── dstore/mod.py            # Mod anchor class
├── api/api.py              # FastAPI + SIWE
├── app/                    # Next.js app (MetaMask + SIWE)
│   ├── src/app/page.tsx
│   ├── src/lib/wallet.ts
│   └── src/lib/api.ts
├── config.json
└── skill.md

State: ~/.store-mod/store.db (SQLite index).

Env vars

STORE_JWT_SECRET — HMAC secret (generated per-run if absent — set this for stable sessions)
STORE_DOMAIN — SIWE domain field (default localhost:50151)
STORE_ORIGIN — SIWE URI field (default http://localhost:50151)
Filecoin backend: see filecoin/skill.md
Hippius backend: see hippius/skill.md

Mod protocol

Anchor class Mod in dstore/mod.py. Reachable as m.mod('dstore')() or m ddstore/<fn>. Composes the filecoin and hippius orbit modules via m.mod('filecoin')() / m.mod('hippius')().

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name	dstore
description	Unified decentralized storage over filecoin + hippius, with MetaMask SIWE auth and Next.js app.
type	orbit-module

dstore

Decentralized storage facade over the filecoin and hippius orbit modules. Includes a FastAPI gateway with EIP-4361 (SIWE) MetaMask sign-in and a Next.js app for browser uploads.

The name store is taken by mod/core/dstore/ (a local-FS key-value store). This module is its decentralized counterpart. The filecoin and hippius backends are also exposed as adapters under mod/core/dstore/src/.

Capabilities

put / get / pin / list across filecoin + hippius backends
Per-owner indexing keyed by Ethereum address from SIWE
FastAPI gateway: /nonce, /verify, /put, /get, /list, /pin
Next.js app: MetaMask connect → SIWE sign-in → upload to backend
Owner-scoped object lists pulled from local SQLite index

Usage

Python

import mod as m
s = m.mod('dstore')()
s.put('/path/to/file', backend='both', owner='0xabc')
s.get('bafy...')
s.list(owner='0xabc')
s.status()

CLI

m ddstore/status
m ddstore/backends
m ddstore/put /path/to/file backend=filecoin owner=0xabc
m ddstore/get bafy...
m ddstore/list owner=0xabc
m ddstore/start    # start filecoin + hippius daemons

Serve API + app

m ddstore/serve            # via mod core (api + app)
# or directly:
cd ~/mod/mod/orbit/store && uvicorn api.api:app --port 50150 --reload
cd ~/mod/mod/orbit/dstore/app && npm install && npm run dev

App: http://localhost:50151 — API: http://localhost:50150

SIWE auth flow

client                            server
  | --- GET /nonce?address=0x... ----> |
  | <-- {nonce, domain, origin} ------ |
  | (MetaMask personal_sign SIWE msg)  |
  | --- POST /verify {msg,sig} ------> |
  |   server: ecrecover + nonce check  |
  | <-- {token, expires_in} ---------- |
  | --- Authorization: Bearer <tok> -> |  (all auth'd endpoints)

Tokens are HMAC-SHA256 over a JSON payload {sub: address, exp: ...}, signed with STORE_JWT_SECRET.

API

Function	Description
`put(path, backend='filecoin', owner=None, key=None)`	Upload to filecoin / hippius / both.
`get(cid, backend=None, out=None)`	Retrieve by CID, with cross-backend fallback.
`pin(cid, backend, owner=None)`	Pin a CID on chosen backend(s).
`list(owner=None, backend=None, limit=100)`	List indexed objects.
`rm(cid)`	Drop a record.
`status()`	Module + backend status.
`backends()`	Available backends.
`start()`	Start both backend daemons.
`stop()`	Stop both backend daemons.

Structure

dstore/
├── dstore/mod.py            # Mod anchor class
├── api/api.py              # FastAPI + SIWE
├── app/                    # Next.js app (MetaMask + SIWE)
│   ├── src/app/page.tsx
│   ├── src/lib/wallet.ts
│   └── src/lib/api.ts
├── config.json
└── skill.md

State: ~/.store-mod/store.db (SQLite index).

Env vars

STORE_JWT_SECRET — HMAC secret (generated per-run if absent — set this for stable sessions)
STORE_DOMAIN — SIWE domain field (default localhost:50151)
STORE_ORIGIN — SIWE URI field (default http://localhost:50151)
Filecoin backend: see filecoin/skill.md
Hippius backend: see hippius/skill.md

Mod protocol

Anchor class Mod in dstore/mod.py. Reachable as m.mod('dstore')() or m ddstore/<fn>. Composes the filecoin and hippius orbit modules via m.mod('filecoin')() / m.mod('hippius')().