@onflow/frw-cadence

Cadence scripts and transaction templates for Flow Reference Wallet.

Overview

This package provides a collection of pre-built Cadence scripts and transaction templates for common Flow blockchain operations. It serves as a centralized repository for all Flow-specific smart contract interactions used by the Flow Reference Wallet.

Features

• Pre-built Scripts: Ready-to-use Cadence scripts for common operations
• Transaction Templates: Reusable transaction templates for various use cases
• Type Safety: TypeScript interfaces for script parameters and results
• Network Support: Scripts compatible with both mainnet and testnet
• Optimized Performance: Efficient scripts designed for minimal computation costs

Usage

Basic Usage

import { CadenceScripts, CadenceTransactions } from '@onflow/frw-cadence';

// Execute a script to get account info
const accountInfo = await CadenceScripts.getAccountInfo(address);

// Execute a transaction to transfer tokens
const txId = await CadenceTransactions.transferTokens({
  amount: '10.0',
  recipient: '0x1234...',
  tokenType: 'FLOW',
});

Integration with FCL

import * as fcl from '@onflow/fcl';
import { getBalanceScript } from '@onflow/frw-cadence';

const script = getBalanceScript();
const balance = await fcl.query({
  cadence: script,
  args: (arg, t) => [arg(address, t.Address)],
});

Common Operations

Account Management

• Account information retrieval
• Storage inspection
• Capability management
• Key management

Token Operations

• Balance queries
• Token transfers
• Vault setup and management
• Multi-token support

NFT Operations

• Collection enumeration
• NFT metadata retrieval
• Transfer operations
• Collection setup

Development

# Install dependencies
pnpm install

# Build the package
pnpm build

# Run tests
pnpm test

# Type checking
pnpm type-check