Configuration

Configuration options and settings for @tetherto/wdk-wallet-tron-gasfree

Wallet Configuration

import WalletManagerTronGasfree from '@tetherto/wdk-wallet-tron-gasfree'
import TronWeb from 'tronweb'

// Option 1: Using RPC URL
const config = {
  // Required parameters
  chainId: '728126428', // Blockchain ID
  provider: 'https://api.trongrid.io', // Tron RPC endpoint
  gasFreeProvider: 'https://api.gasfree.com', // Gas-free service URL
  gasFreeApiKey: 'your-api-key', // Gas-free API key
  gasFreeApiSecret: 'your-api-secret', // Gas-free API secret
  serviceProvider: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH', // Service provider address
  verifyingContract: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH', // Verifying contract address
  
  // Optional parameter
  transferMaxFee: 10000000 // Maximum fee in token base units
}

const wallet = new WalletManagerTronGasfree(seedPhrase, config)

// Option 2: Using TronWeb instance
const tronWeb = new TronWeb({ fullHost: 'https://api.trongrid.io' })
const config2 = {
  chainId: '728126428',
  provider: tronWeb,
  gasFreeProvider: 'https://api.gasfree.com',
  gasFreeApiKey: 'your-api-key',
  gasFreeApiSecret: 'your-api-secret',
  serviceProvider: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH',
  verifyingContract: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH'
}

Account Configuration

Both WalletAccountTronGasfree and WalletAccountReadOnlyTronGasfree share similar configuration requirements:

import { WalletAccountTronGasfree, WalletAccountReadOnlyTronGasfree } from '@tetherto/wdk-wallet-tron-gasfree'

// Full access account
const account = new WalletAccountTronGasfree(
  seedPhrase,
  "0'/0/0", // BIP-44 derivation path
  {
    chainId: '728126428',
    provider: 'https://api.trongrid.io',
    gasFreeProvider: 'https://api.gasfree.com',
    gasFreeApiKey: 'your-api-key',
    gasFreeApiSecret: 'your-api-secret',
    serviceProvider: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH',
    verifyingContract: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH',
    transferMaxFee: 10000000 // Optional
  }
)

// Read-only account (transferMaxFee not needed)
const readOnlyAccount = new WalletAccountReadOnlyTronGasfree(
  'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH', // Tron address
  {
    chainId: '728126428',
    provider: 'https://api.trongrid.io',
    gasFreeProvider: 'https://api.gasfree.com',
    gasFreeApiKey: 'your-api-key',
    gasFreeApiSecret: 'your-api-secret',
    serviceProvider: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH',
    verifyingContract: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH'
  }
)

Configuration Options

Provider

The provider option specifies how to connect to the Tron network.

Type: string | TronWeb Required: Yes

Examples:

// Option 1: Using RPC URL
const config = {
  provider: 'https://api.trongrid.io'
}

// Option 2: Using TronWeb instance
const tronWeb = new TronWeb({ fullHost: 'https://api.trongrid.io' })
const config = {
  provider: tronWeb
}

Chain ID

The chainId option specifies the blockchain's ID.

Type: string Required: Yes

Example:

const config = {
  chainId: '728126428' // Tron Mainnet
}

Gas-Free Provider

The gasFreeProvider option specifies the URL of the gas-free service.

Type: string Required: Yes

Example:

const config = {
  gasFreeProvider: 'https://api.gasfree.com'
}

Gas-Free API Key

The gasFreeApiKey option is your API key for the gas-free service.

Type: string Required: Yes

Example:

const config = {
  gasFreeApiKey: 'your-api-key'
}

Gas-Free API Secret

The gasFreeApiSecret option is your API secret for the gas-free service.

Type: string Required: Yes

Example:

const config = {
  gasFreeApiSecret: 'your-api-secret'
}

Service Provider

The serviceProvider option is the Tron address of the gas-free service provider.

Type: string Required: Yes

Example:

const config = {
  serviceProvider: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH'
}

Verifying Contract

The verifyingContract option is the Tron address of the contract that verifies gas-free transactions.

Type: string Required: Yes

Example:

const config = {
  verifyingContract: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH'
}

Transfer Max Fee

The transferMaxFee option sets a maximum limit for transaction fees to prevent unexpectedly high costs.

Type: number Required: No (optional) Unit: Token base units

Example:

const config = {
  transferMaxFee: 10000000 // Maximum fee in token base units
}

// Usage with error handling
try {
  const result = await account.transfer({
    token: 'TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t',
    recipient: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH',
    amount: 1000000
  }, {
    transferMaxFee: 5000 // Override default max fee
  })
} catch (error) {
  if (error.message.includes('exceeds the transfer max fee')) {
    console.error('Transfer cancelled: Fee too high')
  }
}

Network-Specific Configurations

Tron Mainnet

const mainnetConfig = {
  chainId: '728126428',
  provider: 'https://api.trongrid.io',
  gasFreeProvider: 'https://api.gasfree.com',
  gasFreeApiKey: 'your-api-key',
  gasFreeApiSecret: 'your-api-secret',
  serviceProvider: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH',
  verifyingContract: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH'
}

Tron Nile Testnet

const nileConfig = {
  chainId: '3448148', // Nile Testnet
  provider: 'https://nile.trongrid.io',
  gasFreeProvider: 'https://testnet.gasfree.com',
  gasFreeApiKey: 'your-testnet-api-key',
  gasFreeApiSecret: 'your-testnet-api-secret',
  serviceProvider: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH',
  verifyingContract: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH'
}

Node.js Quickstart

Get started with WDK in a Node.js environment

React Native Quickstart

Build mobile wallets with React Native Expo

WDK Tron Gasfree Wallet Usage

Get started with WDK's Tron Gasfree Wallet Usage

WDK Tron Gasfree Wallet API

Get started with WDK's Tron Gasfree Wallet API

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