151 lines
7.5 KiB
ReStructuredText
151 lines
7.5 KiB
ReStructuredText
Sending and receiving payments
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==============================
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Payments in Monero desire a bit of explanation even for people experienced with cryptocurrency.
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The main difference from coins which use transparent blockchain is that Monero transactions do not
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disclose sender or recipient's address, nor they tell what the amount is. This is a great feature
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that makes Monero stand out, however at the same time it causes difficulties. In the outgoing
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payments you won't see the recipient address and, in the incoming ones you won't see the sender.
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For this reason, there are two classes representing those, ``IncomingPayment`` and
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``OutgoingPayment``. They share most attributes from the parent ``Payment`` class but carry only
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one address, depending on which end of the payment your wallet is. Your end address is present
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in ``local_address`` attribute.
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Retrieving payments
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-------------------
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Each ``Wallet`` and ``Account`` object has two methods which will return the list of incoming or
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outgoing payments:
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.. code-block:: python
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In [4]: wallet.incoming()
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Out[4]:
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[in: e9a71c01875bec20812f71d155bfabf42024fde3ec82475562b817dcc8cbf8dc @ 1087530 2.120000000000 id=cb248105ea6a9189,
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in: a0b876ebcf7c1d499712d84cedec836f9d50b608bb22d6cb49fd2feae3ffed14 @ 1087606 1.000000000000 id=0166d8da6c0045c51273dd65d6f63734beb8a84e0545a185b2cfd053fced9f5d,
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in: d29264ad317e8fdb55ea04484c00420430c35be7b3fe6dd663f99aebf41a786c @ 1087858 3.140000000000 id=03f6649304ea4cb2,
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in: f349c6badfa7f6e46666db3996b569a05c6ac4e85417551ec208d96f8a37294a @ 1088400 1.000000000000 id=0000000000000000,
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in: bc8b7ef53552c2d4bce713f513418894d0e2c8dcaf72e681e1d4d5a202f1eb62 @ 1088394 8.000000000000 id=0000000000000000,
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in: 5ef7ead6a041101ed326568fbb59c128403cba46076c3f353cd110d969dac808 @ 1087601 7.000000000000 id=0000000000000000,
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in: cc44568337a186c2e1ccc080b43b4ae9db26a07b7afd7edeed60ce2fc4a6477f @ 1087530 10.000000000000 id=0000000000000000,
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in: 41304bbb514d1abdfdb0704bf70f8d2ec4e753c57aa34b6d0525631d79113b87 @ 1088400 1.000000000000 id=1f2510a597bd634bbd130cf21e63b4ad01f4565faf0d3eb21589f496bf28f7f2,
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in: f34b495cec77822a70f829ec8a5a7f1e727128d62e6b1438e9cb7799654d610e @ 1087601 3.000000000000 id=f75ad90e25d71a12,
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in: 5c3ab739346e9d98d38dc7b8d36a4b7b1e4b6a16276946485a69797dbf887cd8 @ 1087530 10.000000000000 id=f75ad90e25d71a12,
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in: 4ea70add5d0c7db33557551b15cd174972fcfc73bf0f6a6b47b7837564b708d3 @ 1087530 4.000000000000 id=f75ad90e25d71a12]
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In [5]: wallet.outgoing()
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Out[5]:
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[out: a8829744952facbfdaab21ca193298edb1fa16f688cd5dbcdff3ed3968155f28 @ 1088411 2.220000000000 id=0000000000000000,
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out: e291fe40c6102a6193c82ac33227c08e5b30a863dba1bc63e13043a25abbb97a @ 1088523 0.123000000000 id=0000000000000000,
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out: 40de45db57eb87eb8395baf5c1dc705602938317d043f463e68ed85b7108f9f3 @ 1088184 1.000000000000 id=0000000000000000,
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out: 2b41226d45edb875634694fccd95f3c174daa5062763eee619ed4475a7b9207a @ 1088184 2.450000000000 id=6cc9350927868849,
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out: 5e8f392a42899294e6b679ddac13cfe1dfe7f034b1e347424218af06c3dfdc85 @ 1088394 1.000000000000 id=6cc9350927868849,
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out: 5d15fef66fe8de715bcbf2c181f97b9932f9f843aef4724f3026fa3cd1082c68 @ 1088521 3.333333333330 id=0000000000000000,
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out: edc7c28e7b07486be48dac0a178f25a3505114267ddaf3e62ab00d9a6e996044 @ 1088394 21.000000000000 id=0000000000000000,
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out: e32cccd7522e760b1c8a571fd08c75e7a1d822874380edc9656f58284eeb2fe5 @ 1088441 0.070000000000 id=0000000000000000,
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out: d09666238129a1e2a71a9b7c6b30564a95baef926556bb658785cb9c38d9b25a @ 1088479 0.210000000000 id=0000000000000000,
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out: 551721b5358b02565d6a9862867e3806b9a2e0d5aa5158d4d30940251d27bbdd @ 1088516 1.111111111000 id=0000000000000000,
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out: 21e7eb651e8a2bc7661975e965ac6b30a6f4033c6a02e96320e41139ad3e307c @ 1088438 0.070000000000 id=0000000000000000,
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out: 34833fef78c7b7c15383a78912344ecfb3ace479d27c4bd6f3e3f136ddc1d6a9 @ 1088538 3.141592653589 id=0000000000000000000000000000000079323846264338327950288419716939]
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Filtering payments
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^^^^^^^^^^^^^^^^^^
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Retrieving all payments and processing them each time sounds uncomfortable, especially in old
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wallets which have seen a lot of transfers. To make it easier, you may use filtering on payment
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queries.
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For example, you may ask for payments from a recent period, limiting the blockchain height:
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.. code-block:: python
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In [1]: wallet.incoming(min_height=1088000)
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Out[1]:
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[in: f349c6badfa7f6e46666db3996b569a05c6ac4e85417551ec208d96f8a37294a @ 1088400 1.000000000000 id=0000000000000000,
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in: bc8b7ef53552c2d4bce713f513418894d0e2c8dcaf72e681e1d4d5a202f1eb62 @ 1088394 8.000000000000 id=0000000000000000,
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in: 41304bbb514d1abdfdb0704bf70f8d2ec4e753c57aa34b6d0525631d79113b87 @ 1088400 1.000000000000 id=1f2510a597bd634bbd130cf21e63b4ad01f4565faf0d3eb21589f496bf28f7f2]
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Or ask for specific payment ID:
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.. code-block:: python
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In [2]: wallet.incoming(payment_id='f75ad90e25d71a12')
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Out[2]:
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[in: f34b495cec77822a70f829ec8a5a7f1e727128d62e6b1438e9cb7799654d610e @ 1087601 3.000000000000 id=f75ad90e25d71a12,
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in: 5c3ab739346e9d98d38dc7b8d36a4b7b1e4b6a16276946485a69797dbf887cd8 @ 1087530 10.000000000000 id=f75ad90e25d71a12,
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in: 4ea70add5d0c7db33557551b15cd174972fcfc73bf0f6a6b47b7837564b708d3 @ 1087530 4.000000000000 id=f75ad90e25d71a12]
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Or limit by both criteria at the same time:
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.. code-block:: python
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In [3]: wallet.incoming(payment_id='f75ad90e25d71a12', min_height=1087601)
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Out[3]: [in: f34b495cec77822a70f829ec8a5a7f1e727128d62e6b1438e9cb7799654d610e @ 1087601 3.000000000000 id=f75ad90e25d71a12]
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With Monero releases > 0.11.x you will be also able to filter payments by the address:
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.. code-block:: python
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In [4]: wallet.incoming(local_address='BhE3cQvB7VF2uuXcpXp28Wbadez6GgjypdRS1F1Mzqn8Advd6q8VfaX8ZoEDobjejrMfpHeNXoX8MjY8q8prW1PEALgr1En')
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Out[4]:
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[in: 5ef7ead6a041101ed326568fbb59c128403cba46076c3f353cd110d969dac808 @ 1087601 7.000000000000 id=0000000000000000,
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in: 41304bbb514d1abdfdb0704bf70f8d2ec4e753c57aa34b6d0525631d79113b87 @ 1088400 1.000000000000 id=1f2510a597bd634bbd130cf21e63b4ad01f4565faf0d3eb21589f496bf28f7f2,
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in: f34b495cec77822a70f829ec8a5a7f1e727128d62e6b1438e9cb7799654d610e @ 1087601 3.000000000000 id=f75ad90e25d71a12]
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The same criteria may be used for filtering outgoing payments.
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.. note:: In outgoing payments the `local_address` is always set to the account's main address,
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making such filtering useless.
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Payment and Transaction objects
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-------------------------------
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Each of the payments returned by the wallet carries all essential data:
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.. code-block:: python
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In [5]: incoming = wallet.incoming()
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In [6]: incoming[0].amount
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Out[6]: Decimal('2.120000000000')
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In [7]: incoming[0].local_address
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Out[7]: 9tQoHWyZ4yXUgbz9nvMcFZUfDy5hxcdZabQCxmNCUukKYicXegsDL7nQpcUa3A1pF6K3fhq3scsyY88tdB1MqucULcKzWZC
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In [8]: incoming[0].payment_id
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Out[8]: cb248105ea6a9189
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It also has a related ``Transaction`` object which offers additional information:
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.. code-block:: python
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In [9]: incoming[0].transaction.height
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Out[9]: 1087530
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In [10]: incoming[0].transaction.hash
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Out[10]: 'e9a71c01875bec20812f71d155bfabf42024fde3ec82475562b817dcc8cbf8dc'
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Having a running instance of the wallet you may always check the number of confirmations for each
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payment object:
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.. code-block:: python
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In [11]: wallet.confirmations(incoming[0])
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Out[11]: 5132
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Mempool: Unconfirmed payments
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-----------------------------
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Sending payments
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----------------
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API reference
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-------------
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.. automodule:: monero.transaction
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:members:
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