insightcast

Forecasting today is centralized, biased, and easily manipulated. Organizations and communities rely on limited or unreliable data to make decisions, leading to financial loss, misinformation, and poor planning.

Description

insightcast introduces a transparent, decentralized forecasting marketplace transforms real-world events into tradable prediction markets. Users create markets, add liquidity, trade outcomes, and earn from accurate forecasts — all secured by verifiable smart contracts and oracle data.

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✨ Key Features

• Multi-Outcome Markets: support 3+ outcomes (e.g., "BTC price range", "Election with candidates", "Sports score predictions").
• Automated Market Maker (AMM) for Prediction Shares: A custom bonding curve for pricing YES/NO shares dynamically.
• Reputation System: Users gain rating when predictions are correct. Increases their market limits and gives badges.
• Proof-of-Resolution Oracle Layer: Uses Switchboard + fallback community voting.
• Governance Layer: Community votes on: disputed outcomes, oracle provider set, new market categories
• Referral and Affiliate System: Track who brought new market creators/participants.

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Workflow

1. Market Creation

   • A user proposes a forecasting event with multiple outcomes (e.g., “ETH TVL by Q3”).
   • Smart contract creates outcome tokens.

2. Liquidity Provision

   • Market makers add funds → AMM sets initial prices based on liquidity.
   • Ensures legitimacy and accurate metadata.

3. Trading & Forecasting

   • Users buy/sell outcome shares representing probabilities.
   • Reduces total supply and logs impact transparently.

4. Resolution & Payout

   • Switchboard oracle fetches the real result.
   • If oracle fails → DAO governance votes. Winning outcome holders receive proportional rewards.

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🧩 Tech Stack

Layer	Technologies
Smart Contracts:	Anchor, Rust, Solana SPL Tokens
Frontend	Next.js 15, TypeScript, Tailwind, Zustand
Backend	Nestjs + MongoDB
Oracle	Switchboard

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🔄 System Architecture

flowchart TD
    subgraph Blockchain_Layer
        A[MarketFactory Program] --> B[Prediction Market PDA]
        B --> C[Outcome Tokens SPL]
        B --> D[Liquidity Pool PDA]
        E[AMM Engine] --> D
        F[Oracle Resolver] --> B
    end

    subgraph Backend_Layer
        G[API Gateway] --> H[User Profiles & Reputation]
        G --> I[Market Analytics Engine]
        G --> J[Indexing Service]
        G --> K[Notification & Webhooks]
    end

    subgraph Frontend_Layer
        L[Market Explorer] --> G
        M[Trading UI] --> G
        N[Create Market UI] --> G
        O[Governance Panel] --> G
    end

    subgraph External_Services
        P[Switchboard Oracles] --> F
        Q[Arweave/IPFS] -->|Event Metadata| J
    end

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🏗️ Project Structure

insightcast/
├── prediction-market-smartcontract/              # Solana smart contracts (Anchor)
│   ├── programs/
│   │   └── prediction/
│   │       ├── src/
│   │       │   ├── instructions/
│   │       │   ├── states/
│   │       │   ├── constants.rs
│   │       │   ├── errors.rs
│   │       │   ├── events.rs
│   │       │   ├── utils.rs
│   │       └── Cargo.toml
│   ├── Anchor.toml
│   ├── Cargo.lock
│   ├── tests/
│   │   ├── const.ts
│   │   ├── prediction.ts
│   │   └── utils.ts
│   └── README.md
│
├── backend/                   # NestJS Backend
│   ├── src/
│   │   ├── controller/
│   │   │   ├── bot/
│   │   │   │   └── index.ts
│   │   │   ├── utils.ts
│   │   │   ├── initialize/
│   │   │   │   └── index.ts
│   │   │   ├── market/
│   │   │   │   ├── index.ts
│   │   │   │   └── utils.ts
│   │   │   ├── oracle/
│   │   │   │   └── index.ts
│   │   │   ├── profile/
│   │   │   │   └── index.ts
│   │   │   ├── referral/
│   │   │   │   └── index.ts
│   │   │   └── index.ts
│   │   │
│   │   ├── middleware/
│   │   │   └── proposeValidator.ts
│   │   │
│   │   ├── model/
│   │   │   └── (NestJS Mongoose/Prisma Models Here)
│   │   │
│   │   ├── oracle_service/
│   │   │   └── simulateFeed.ts
│   │   │
│   │   ├── prediction_market_sdk/
│   │   │   ├── idl/
│   │   │   ├── config.ts
│   │   │   ├── constants.ts
│   │   │   ├── event.ts
│   │   │   ├── index.ts
│   │   │   └── util.ts
│   │   │
│   │   ├── router/
│   │   │   ├── market/
│   │   │   │   └── index.ts
│   │   │   ├── oracle/
│   │   │   ├── profile/
│   │   │   │   └── index.ts
│   │   │   ├── referral/
│   │   │   │   └── index.ts
│   │   │   └── index.ts
│   │   │
│   │   ├── type/
│   │   │   └── index.ts
│   │   ├── config.ts
│   │   ├── index.ts      
│   │   └── prediction.json
│   │
│   ├── package.json
│   ├── .env.example
│   ├── readme.md           
│   └── tsconfig.json
│
├── frontend/                  # Next.js Frontend
│   ├── public/
│   ├── src/
│   │   ├── app/
│   │   ├── components/
│   │   ├── oracle_service/
│   │   │   └── simulateFeed.ts
│   │   ├── prediction_market_sdk/
│   │   │   ├── idl.ts
│   │   │   ├── constants.ts
│   │   │   ├── util.ts
│   │   └── data/
│   ├── pages/
│   ├── styles/
│   ├── types/
│   ├── utils/
│   ├── next.config.ts
│   ├── package.json
│   └── README.md
│
└── docs/                                        # Documentation 
    ├── architecture.md
    ├── oracle.md
    ├── sdk_usage.md
    └── api_reference.md

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