Quick Start

import { createClient, http } from '@cfxdevkit/cdk/client'
import { espaceTestnet } from '@cfxdevkit/cdk/chains'
 
const client = createClient({
  chain: espaceTestnet,
  transport: http(),
})
 
const block = await client.getBlockNumber()
console.log('Block:', block)

import { signerFromPrivateKey } from '@cfxdevkit/cdk/wallet'
 
const signer = signerFromPrivateKey('0xYOUR_PRIVATE_KEY')
 
console.log('eSpace address:', signer.address)
console.log('Core address:', signer.coreAddress) // Base32 format

import { createClient, http } from '@cfxdevkit/cdk/client'
import { espaceTestnet } from '@cfxdevkit/cdk/chains'
 
const client = createClient({ chain: espaceTestnet, transport: http() })
 
const balance = await client.readContract({
  address: '0xYOUR_CONTRACT',
  abi: [{ name: 'balanceOf', type: 'function', inputs: [{ type: 'address' }], outputs: [{ type: 'uint256' }] }],
  functionName: 'balanceOf',
  args: ['0xYOUR_WALLET'],
})

import { createClient, http } from '@cfxdevkit/cdk/client'
import { signerFromPrivateKey } from '@cfxdevkit/cdk/wallet'
import { espaceTestnet } from '@cfxdevkit/cdk/chains'
import { compileContract } from '@cfxdevkit/compiler'
 
const client = createClient({ chain: espaceTestnet, transport: http() })
const signer = signerFromPrivateKey(process.env.PRIVATE_KEY!)
 
// Compile your Solidity
const { abi, bytecode } = await compileContract('MyToken.sol', source)
 
// Deploy
const hash = await client.deployContract({
  abi,
  bytecode,
  account: signer,
})
 
const receipt = await client.waitForTransactionReceipt({ hash })
console.log('Deployed at:', receipt.contractAddress)