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========================
Removed Protocol Methods
========================
This documents protocol methods that are still supported in some protocol
versions, but not the most recent one.
blockchain.address.get_balance
==============================
Return the confirmed and unconfirmed balances of a bitcoin address.
**Signature**
.. function:: blockchain.address.get_balance(address)
.. deprecated:: 1.2
*Removed in version 1.3.*
* *address*
The address as a Base58 string.
**Result**
See :func:`blockchain.scripthash.get_balance`.
blockchain.address.get_history
==============================
Return the confirmed and unconfirmed history of a bitcoin address.
**Signature**
.. function:: blockchain.address.get_history(address)
.. deprecated:: 1.2
*Removed in version 1.3.*
* *address*
The address as a Base58 string.
**Result**
As for :func:`blockchain.scripthash.get_history`.
blockchain.address.get_mempool
==============================
Return the unconfirmed transactions of a bitcoin address.
**Signature**
.. function:: blockchain.address.get_mempool(address)
.. deprecated:: 1.2
*Removed in version 1.3.*
* *address*
The address as a Base58 string.
**Result**
As for :func:`blockchain.scripthash.get_mempool`.
blockchain.address.listunspent
==============================
Return an ordered list of UTXOs sent to a bitcoin address.
**Signature**
.. function:: blockchain.address.listunspent(address)
.. deprecated:: 1.2
*Removed in version 1.3.*
* *address*
The address as a Base58 string.
**Result**
As for :func:`blockchain.scripthash.listunspent`.
blockchain.address.subscribe
============================
Subscribe to a bitcoin address.
**Signature**
.. function:: blockchain.address.subscribe(address)
.. deprecated:: 1.2
*Removed in version 1.3.*
*address*
The address as a Base58 string.
**Result**
The :ref:`status <status>` of the address.
**Notifications**
As this is a subcription, the client will receive a notification
when the :ref:`status <status>` of the address changes. Its
signature is
.. function:: blockchain.address.subscribe(address, status)
blockchain.numblocks.subscribe
==============================
Subscribe to receive the block height when a new block is found.
**Signature**
.. function:: blockchain.numblocks.subscribe()
.. deprecated:: 1.0
*Removed in version 1.1.*
**Result**
The height of the current block, an integer.
**Notifications**
As this is a subcription, the client will receive a notification
when a new block is found. The notification's signature is:
.. function:: blockchain.numblocks.subscribe(height)
blockchain.utxo.get_address
===========================
Return the address paid to by a UTXO.
**Signature**
.. function:: blockchain.utxo.get_address(tx_hash, index)
*Optional in version 1.0. Removed in version 1.1.*
*tx_hash*
The transaction hash as a hexadecimal string.
*index*
The zero-based index of the UTXO in the transaction.
**Result**
A Base58 address string, or :const:`null`. If the transaction
doesn't exist, the index is out of range, or the output is not paid
to an address, :const:`null` must be returned. If the output is
spent :const:`null` *may* be returned.