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transaction builder, wallet management, and RPC client using WASM cryptography","maintainers":[{"name":"blondfrogs","email":"jeremy.anderson.utah@gmail.com"}],"readme":"# Veil WASM Wrapper\n\n**TypeScript wrapper for Veil blockchain - transaction builder, wallet management, and RPC client**\n\n[![npm version](https://img.shields.io/npm/v/@blondfrogs/veil-wasm-wrapper.svg)](https://www.npmjs.com/package/@blondfrogs/veil-wasm-wrapper)\n[![License](https://img.shields.io/badge/license-MIT-blue)]()\n\n---\n\n## ๐ŸŽฏ Overview\n\nThis package provides a comprehensive TypeScript wrapper for the Veil blockchain, enabling transaction building, wallet management, and blockchain interaction in both browser and Node.js environments. Powered by [@blondfrogs/secp256k1-wasm](https://www.npmjs.com/package/@blondfrogs/secp256k1-wasm) - a pure Rust WASM cryptographic library.\n\n**Features:**\n- โœ… Type-safe TypeScript API\n- โœ… WASM-powered cryptography (no C dependencies!)\n- โœ… Stealth address generation and management\n- โœ… RingCT transaction building\n- โœ… Pedersen commitments & range proofs\n- โœ… MLSAG ring signatures\n- โœ… Wallet key generation and restoration\n- โœ… RPC client for blockchain communication\n- โœ… Output scanning and UTXO management\n- โœ… Transaction serialization/deserialization\n\n---\n\n## ๐Ÿ“ฆ Installation\n\n```bash\nnpm install @blondfrogs/veil-wasm-wrapper\n```\n\nThis will automatically install the required [@blondfrogs/secp256k1-wasm](https://www.npmjs.com/package/@blondfrogs/secp256k1-wasm) dependency.\n\n---\n\n## ๐Ÿš€ Quick Start\n\n### Basic Usage\n\n```typescript\nimport { initWasm, createCommitment, generateRangeProof } from '@blondfrogs/veil-wasm-wrapper';\n\nasync function example() {\n // Initialize WASM module (call once at startup)\n await initWasm();\n\n // Create a Pedersen commitment\n const value = 1000000n; // Amount in satoshis\n const blind = crypto.getRandomValues(new Uint8Array(32));\n const commitment = createCommitment(value, blind);\n\n // Generate a range proof\n const proof = generateRangeProof({\n commitment,\n value,\n blind,\n nonce: commitment, // Use commitment as nonce\n });\n\n console.log('Proof size:', proof.proof.length, 'bytes');\n}\n```\n\n### Transaction Building\n\n```typescript\nimport { initWasm, createWallet, TransactionBuilder } from '@blondfrogs/veil-wasm-wrapper';\n\nasync function sendVeil() {\n await initWasm();\n\n // Create or restore wallet\n const wallet = createWallet();\n console.log('Address:', wallet.stealthAddress);\n\n // Build transaction\n const txBuilder = new TransactionBuilder(wallet);\n const result = await txBuilder.send(\n wallet.spendSecret,\n wallet.scanSecret,\n [{ address: 'sv1qqxxx...', amount: 100_000_000n }], // 1 VEIL\n myUTXOs\n );\n\n console.log('Transaction ID:', result.txid);\n console.log('Fee:', result.fee);\n}\n```\n\n---\n\n## ๐Ÿ“š API Reference\n\n**See [API.md](./API.md) for complete documentation.**\n\nQuick reference:\n\n### Wallet Management\n- `createWallet()` - Create new wallet\n- `restoreWallet()` - Restore from keys\n- `validateAddress()` - Validate stealth addresses\n\n### Transaction Building\n- `TransactionBuilder` - Build RingCT transactions\n- `fetchDecoyOutputs()` - Get decoys for ring signatures\n\n### Scanning\n- `scanTransaction()` - Scan for your outputs\n- `parseWatchOnlyTransactions()` - Parse watch-only RPC data\n\n### RPC Client\n- `RpcRequester` - Interact with Veil nodes\n- `checkKeyImages()` - Check spent status\n\n### Cryptography\n- `createCommitment()` - Pedersen commitments\n- `generateRangeProof()` - Bulletproofs\n- `rewindRangeProof()` - Extract values\n- `generateKeyImage()` - Prevent double-spending\n\n---\n\n## ๐Ÿงช Examples\n\nSee the [examples/](./examples/) directory for complete working examples:\n- `create-wallet.ts` - Wallet creation\n- `build-transaction.ts` - Transaction building\n- `scan-outputs.ts` - Blockchain scanning\n- `blockchain-integration.ts` - RPC usage\n\n---\n\n## ๐Ÿ› ๏ธ Development\n\n### Build\n\n```bash\nnpm run build\n```\n\n### Test\n\n```bash\nnpm test\nnpm run test:watch\n```\n\n### Lint\n\n```bash\nnpm run lint\n```\n\n---\n\n## โš ๏ธ Security Warning\n\n**โš ๏ธ USE AT YOUR OWN RISK โš ๏ธ**\n\nThis library has not been formally audited. Use caution with real funds.\n\n---\n\n## ๐Ÿค Contributing\n\nContributions welcome! Please open an issue or submit a pull request.\n\n---\n\n## ๐Ÿ“„ License\n\nMIT License - See LICENSE file for details\n\n---\n\n## ๐Ÿ”— Links\n\n- **Crypto Library**: [@blondfrogs/secp256k1-wasm](https://www.npmjs.com/package/@blondfrogs/secp256k1-wasm)\n- **Veil Project**: https://veil-project.com/\n- **Discord**: https://discord.veil-project.com/\n\n---\n\nBuilt with ๐Ÿฆ€ Rust + TypeScript for the Veil community\n","readmeFilename":"README.md"}