caesure | Python Bitcoin Node | Cryptocurrency library
kandi X-RAY | caesure Summary
kandi X-RAY | caesure Summary
Python Bitcoin Node
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Top functions reviewed by kandi - BETA
- Get all the names from the ledger
- Return the next block of the given name
- Feed a transaction
- Feed a block
- Scan the block chain
- Dump metadata to disk
- Read size from bytes
- Main function
- Get a list of blocks
- Get a block from the queue
- Create new blocks
- Handle block data
- Send a GET request
- Called when a command is received
- Compile rules
- Add a new block
- Write block to disk
- Get address from peers
- Start a worker
- Evaluate the script
- Start connection
- Load block metadata from file
- Fetch blocks from the queue
- Start the server
- Get block headers
- Get headers from the peer
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QUESTION
I saw this syntax in the python implementation of bitcoin over here.
https://github.com/samrushing/caesure/blob/master/caesure/bitcoin.py
I have never seen this syntax before, can someone explain it to me or show me somewhere in the documentation where I can understand it?
...ANSWER
Answered 2021-Jun-04 at 08:38In Python you can assign functions to variables.
fout.write
is a function, so in this example, D
is assigned to that function.
D = fout.write
In this line
D ('hash: %s\n' % (hexify (dhash (self.render())),))
, you are calling the function D
, that is, fout.write
. It would be the same as:
fout.write('hash: %s\n' % (hexify (dhash (self.render())),))
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