A simple Codeigniter library to use the Blockchain Wallet API

• Getting Started
• Documentation

To use the blockchain wallet API, make sure you read the Blockchain API documentations. You will need to run the Blockchain wallet service, Click here for setup instructions.

Start by completing the following steps:

1. Copy /application/libraries/Blockchain.php to the /application/libraries folder.
2. Load the library using the Codeigniter loader $this->load->library('blockchain' , $config),
3. See the documentation for usage.
4. And that's it!

To use this class outside Codeigniter just remove the following line found in the top:

defined('BASEPATH') OR exit('No direct script access allowed');

Make sure you followed the steps on Getting Started first, after that you can simply load the library using: $this->load->library('blockchain' , $config)

$config options are:

• guid - Blockchain Wallet Identifier. (the one used for login - Wallet ID)
• main_password - Main Blockchain password.
• second_password - You need to set this if double encryption is enabled .
• api_code - You API code, required if you are going to use the create_wallet() function.
• base_url - The base url used for the API. (default:http://127.0.0.1)
• port - If you would like to set a custom port. (default:3000)

$this->blockchain->create_wallet($options)

Options are:

• password - The new wallet password, must be at least 10 charachters.
• private_key - A private key to add to the wallet (Wallet import format preferred). (optional)
• email - An e-mail to associate to the new wallet. (optional)
• label - A label to set for the wallet's first address. (Alphanumeric only) (optional)

$this->blockchain->send($to,$amount,$from,$fee)

Parameters are:

• to - Recipient Bitcoin Address.
• amount - Amount in satoshis.
• from - Send from a specific Bitcoin Address. (Optional)
• fee - Transaction fee value in satoshi. (Must be greater than default fee) (Optional)

$this->blockchain->send_many($recipients,$from,$fee)

Parameters are:

• recipients - Recipients Bitcoin Address as an associative array, $address=>$amount. (amount in satoshis).
• from - Send from a specific Bitcoin Address. (Optional)
• fee - Transaction fee value in satoshi. (Must be greater than default fee) (Optional)

$this->blockchain->wallet_balance()

No parameters.

$this->blockchain->wallet_balance()

No parameters.

$this->blockchain->wallet_balance($address)

Parameters are:

• address - The bitcoin address to get it's balance.

$this->blockchain->new_address($label)

Parameters are:

• label - Label to attach to the new address. (optional)