Tencent SkillHub · Data Analysis

IQDB

On-chain immutable data storage using IQ Labs tech stack (IQDB, hanLock, x402). Use when building Solana-based persistent storage, on-chain databases, tamper-evident records, password-encoded data, or paid file inscription. Triggers on tasks involving on-chain CRUD, Solana PDA storage, rolling hash verification, Hangul encoding, or HTTP 402 payment-gated inscription.

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Requirements

Target platform: OpenClaw
Install method: Manual import
Extraction: Extract archive
Prerequisites: OpenClaw
Primary doc: SKILL.md

Package facts

Download mode: Yavira redirect
Package format: ZIP package
Source platform: Tencent SkillHub
What's included: references/hanlock.md, references/iqdb-core.md, references/setup.md, references/x402-payments.md, skill.md

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Release facts

Source: Tencent SkillHub
Verification: Indexed source record
Version: 1.0.0

Provenance

Publisher: Emanz1
Source page: View original listing
Canonical URL: Open canonical page

Documentation

ClawHub primary doc Primary doc: SKILL.md 15 sections Open source page

Overview

Build on-chain relational databases on Solana using IQ Labs' tech stack. Three tools: IQDB — Full CRUD relational database on Solana via Anchor PDAs. Tables, rows, rolling keccak hash for tamper-evident history. hanLock — Password-based Hangul syllabic encoding (base-11172). Lightweight data encoding for on-chain privacy. Zero dependencies. x402 — HTTP 402 payment-gated file inscription to Solana. Quote → Pay (USDC/SOL) → Broadcast chunk transactions → Download.

Prerequisites

Node.js 18+ Solana CLI (solana --version) A Solana wallet with devnet SOL (solana airdrop 2)

Network Support

Mainnet: Fully supported. Program ID: 9KLLchQVJpGkw4jPuUmnvqESdR7mtNCYr3qS4iQLabs (via @iqlabs-official/solana-sdk). Devnet: Supported via legacy SDK (@iqlabsteam/iqdb). Program: 7Vk5JJDxUBAaaAkpYQpWYCZNz4SVPm3mJFSxrBzTQuAX.

Install (New Official SDK — recommended)

npm install @iqlabs-official/solana-sdk @solana/web3.js

Install (Legacy SDK — devnet only)

npm install @iqlabsteam/iqdb @coral-xyz/anchor @solana/web3.js

Environment Variables (Legacy SDK)

ANCHOR_WALLET=/path/to/keypair.json # Required — Solana keypair for signing ANCHOR_PROVIDER_URL=https://api.devnet.solana.com # Required — RPC for writes NETWORK_URL=https://api.devnet.solana.com # Required — RPC for reads (must match ANCHOR_PROVIDER_URL) Legacy SDK note: Set NETWORK_URL to match ANCHOR_PROVIDER_URL. The SDK uses separate connections for reads and writes. RPC Note: Public Solana RPCs rate-limit aggressively. Add 2-3 second delays between rapid transactions on mainnet. Use a dedicated RPC provider (Helius, Alchemy, QuickNode) for production.

Minimal Example — New SDK (Mainnet)

const { Connection, Keypair, SystemProgram, PublicKey } = require('@solana/web3.js'); const { writer, reader, setRpcUrl, contract } = require('@iqlabs-official/solana-sdk'); // Monkey-patch for Node v24 Buffer compatibility const seedModule = require('@iqlabs-official/solana-sdk/dist/sdk/utils/seed'); const origFn = seedModule.toSeedBytes; seedModule.toSeedBytes = (v) => Buffer.from(origFn(v)); setRpcUrl('https://api.mainnet-beta.solana.com'); const connection = new Connection('https://api.mainnet-beta.solana.com', 'confirmed'); // Write a row (requires root + table initialized first — see references/iqdb-core.md) const sig = await writer.writeRow( connection, signer, 'my-db-root', 'players', JSON.stringify({ name: 'Alice', score: '1500', level: '12' }) ); // Read rows const rows = await reader.readTableRows(tablePda);

Minimal Example — Legacy SDK (Devnet)

// Use CommonJS — the SDK bundles CJS internally const { createIQDB } = require('@iqlabsteam/iqdb'); const iqdb = createIQDB(); // Ensure root PDA exists (idempotent) await iqdb.ensureRoot(); // Create a table (idempotent — use ensureTable over createTable) await iqdb.ensureTable('players', ['name', 'score', 'level'], 'name'); // Write a row — data must be a JSON STRING, not an object await iqdb.writeRow('players', JSON.stringify({ name: 'Alice', score: '1500', level: '12' })); // Read all rows — requires userPubkey as string const rows = await iqdb.readRowsByTable({ userPubkey: 'YOUR_WALLET_PUBKEY', tableName: 'players' }); console.log(rows);

Architecture

Root PDA (per wallet) └── Table PDA (per table name) └── Rows stored as transaction data └── hash: keccak(domain || prev_hash || tx_data) Root PDA — One per wallet. Initialized via ensureRoot(). Table PDA — Created via ensureTable() or createTable(). Has column schema and ID column. Rows — Written as JSON strings via writeRow(). Append-only — each write is a new transaction. Rolling hash — Each write appends to an immutable hash chain. Enables tamper detection without full replication.

Core Operations

See references/iqdb-core.md for full API. OperationMethodCostInit rootcontract.initializeDbRootInstruction() / ensureRoot()~0.01 SOL rentCreate tablecontract.createTableInstruction() / ensureTable()~0.02 SOL rentWrite rowwriter.writeRow() / iqdb.writeRow()~0.005-0.01 SOLRead rowsreader.readTableRows() / readRowsByTable()Free (RPC read)Update/DeletepushInstruction(table, txSig, before, after)TX fee onlyExtension tablecreateExtTable(base, rowId, extKey, cols, idCol?)~0.02 SOL rent Cost reference (mainnet): Root + 3 tables + 5 data rows = ~0.09 SOL total.

Important Constraints

Row data size limit: Keep row JSON under ~100 bytes. The on-chain program enforces a transaction size limit (TxTooLong error). For larger data, split across multiple rows or use hanLock sparingly (encoded output is larger than input). Append-only writes: writeRow always appends. Use pushInstruction for updates/deletes. pushInstruction writes to instruction log, not row data. readRowsByTable returns raw rows and does NOT reflect updates/deletes from pushInstruction. To see the full picture including corrections, use searchTableByName which returns both rows (raw) and instruRows/targetContent (instruction history). Your application must apply instruction corrections on top of raw rows. CommonJS required: The SDK uses dynamic require() internally. Use .cjs files or "type": "commonjs" in package.json. ESM imports will fail.

hanLock Encoding

See references/hanlock.md for full API. Encode data with a password before writing on-chain for lightweight privacy: const { encodeWithPassword, decodeWithPassword } = require('hanlock'); const encoded = encodeWithPassword('short secret', 'mypassword'); // → Korean syllable string like "깁닣뭡..." // Write encoded data on-chain await iqdb.writeRow('secrets', JSON.stringify({ owner: 'Alice', data: encoded })); // Later — decode const decoded = decodeWithPassword(encoded, 'mypassword'); // → 'short secret' Note: hanLock encoding expands data size (~3x). Keep input short to stay within the on-chain row size limit.

x402 Payment Flow

See references/x402-payments.md for full API. Payment-gated file inscription to Solana: Quote — POST /quote with file metadata → get price in USDC/SOL Pay — Send payment transaction to provided address Inscribe — POST /inscribe with payment proof → file chunked into Solana transactions Download — GET /download/:txId → reconstruct file from on-chain chunks

Use Cases

Discord RPG Bot — On-chain character persistence, provable item ownership, immutable game state Governance — Tamper-evident proposal/vote storage with rolling hash audit trail Compliance logs — Verifiable edit history for call center records Paid storage — Monetize data inscription via x402

References

IQ Labs SDK — Official Solana SDK (mainnet) @iqlabsteam/iqdb — Legacy SDK (devnet) hanLock — Hangul syllabic encoding Solana Web3.js — Solana client library

Category context

Data access, storage, extraction, analysis, reporting, and insight generation.

Source: Tencent SkillHub

Largest current source with strong distribution and engagement signals.

Package contents

Included in package

5 Docs

references/hanlock.md Docs
references/iqdb-core.md Docs
references/setup.md Docs
references/x402-payments.md Docs
skill.md Docs