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Wallet Documetation

Access a Blockchain wallet programmatically. Offical documentation here.

Basic Usage

The Blockchain object contains a single member Wallet object. The wallet credentials must be set before any functionality may be used. Accessing multiple wallets is as simple as setting the credentials before making wallet calls.

$Blockchain = new Blockchain($api_code);
$Blockchain->Wallet->credentials('wallet-id-1', 'password-1', 'optional 2nd password');

// Operations on "wallet-id-1"
// ...

// Switch to another wallet
$Blockchain->Wallet->credentials('wallet-id-2', 'password-2', 'optional 2nd password');

// Operations on "wallet-id-2"
// ...

###A Note About Bitcoin Values

Values returned by this API are string representations of the floating point Bitcoin value, with 8 decimal places of precision, like this: "105.62774000".

Functions that send Bitcoin accept float and string Bitcoin amounts, NOT Satoshi amounts.

Read more about string values on the main documentation.

###Get Current Identifier Use the getIdentifier function to check which wallet is active, without having to enter additional credentials. Returns a string.

$active_id = $Blockchain->Wallet->getIdentifier();

Balances

Functions for fetching the balance of a whole wallet or of a particular address.

###Wallet Balance Get the balance of the whole wallet. Returns a string representing the floating point balance, e.g. "12.64952835".

$balance = $Blockchain->Wallet->getBalance();

###Address Balance Get the balance of a single wallet address. Returns a WalletAddress object.

$balance = $Blockchain->Wallet->getAddressBalance($address);

Transactions

Functions for making outgoing Bitcoin transactions from the wallet.

###Send Send Bitcoin to a single recipient address. The $amount field is either a float or string representation of the floating point value. See above note on Bitcoin values.

The optional $from_address field specifies which wallet address from which to send the funds. An optional $fee amount (float) may be specified but must be more than the default fee listed on the official documentation.

The $public_note parameter is a message that will appear alongside this transaction on the blockchain.info block explorer. A minimum transaction size of 0.005 BTC is required for public notes.

Returns a PaymentResponse object on success and throws a Blockchain_ApiError exception for insufficient funds, etc.

$response = $Blockchain->Wallet->send($to_address, $amount, $from_address=null, $fee=null, $public_note=null);

// Example: Send 0.005 BTC to the Genesis of Bitcoin address, with a 0.0001 BTC fee and a public note
$response = $Blockchain->Wallet->send("1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa", "0.005", null, "0.0001", "Here you go, Satoshi!");

###SendMany Send a multi-recipient transaction to many addresses at once. The $recipients parameter is an associative array with address keys and amount values (see example). Optional parameters are the same as with the send call. Returns PaymentResponse object and throws a Blockchain_ApiError exception for insufficient funds, etc.

$response = $Blockchain->Wallet->sendMany($recipients, $from_address=null, $fee=null, $public_note=null);

// Example: the following produces the same transaction as the previous example.
$recipeints = array(
    "1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa" => "0.005"
);
$response = $Blockchain->Wallet->sendMany($recipients, null, "0.0001", "Here you go, Satoshi!");

Address Management

A wallet may contain many addresses, not all of which must be active at all times. Active addresses are monitored for activity, while archived addresses are not. It is recommended that addresses be archived when it is reasonable to assume that there will not be further activity to that address. For instance, after an invoice is filled, the payment address may be archived once the received coins are moved.

###List Active Addresses Call getAddresses to return a list of the active addresses within the wallet. Returns an array of WalletAddress objects.

$addresses = $Blockchain->Wallet->getAddresses();

###Get New Address Generate a new Bitcoin address, with an optional label, less than 255 characters in length. Returns a WalletAddress object.

$address = $Blockchain->Wallet->getNewAddress($label=null);

###Archive Address Move an address to the archive. Returns true on success and false on failure.

$result = $Blockchain->Wallet->archiveAddress($address);

###Unrchive Address Move an address from the archive to the active address list. Returns true on success and false on failure.

$result = $Blockchain->Wallet->unarchiveAddress($address);

###Consolidate Addresses Removes inactive addresses from the wallet and sets them up as forwarding addresses. Callback notifications will continue to fire for these addresses, but they will not be part of the wallet. The $days parameter determines how long an address must have been inactive in order to be consolidated. A good value for this number is 60 days (the default). Returns a simple string array of addresses.

$addresses = $Blockchain->Wallet->consolidateAddresses($days=60);

Return Objects

Calls to the API usually return first-class objects.

###PaymentResponse

class PaymentResponse {
    public $message;                    // string
    public $tx_hash;                    // string
    public $notice;                     // string
}

###WalletAddress

class WalletAddress {
    public $balance;                    // string, e.g. "12.64952835"
    public $address;                    // string
    public $label;                      // string
    public $total_received;             // string, e.g. "12.64952835"
}