Questions tagged [python]
The python tag has no usage guidance.
13
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0
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1
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Getting error in cryptobot smart contract. [What fix is required ?? ]
import smartpy as sp
# TODO: Code needs to be fixed.
class Cryptobot(sp.Contract):
def __init__(self, manager_address, life_state, initial_mutez, market_address):
self.init(
...
0
votes
1
answer
53
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Buying NFT's on objkt.com using Pytezos
To learn Pytezos I am trying to buy NFT - from Tezzardz collection on objkt.com using Pytezos. How can I specify which Tezzard # I want to buy in a code? Is there anything else I need to know?
test = ...
- 21
2
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1
answer
35
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Pytezos for originating contracts
I am quite new to Pytezos and I have a few questions and would be very happy if you could help me.
I want to make my script buy NFT, I know the smart contract address, how could I get from smart ...
- 21
0
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1
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17
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my tezos oracles docker image (tqtezos/oracle-stock-ticker) is unable to find activation code via faucet file
my tezos oracles docker image (tqtezos/oracle-stock-ticker) is unable to find activation code from faucet configuration file using flask app.
Getting following error:
File "/usr/local/lib/python3....
- 137
0
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2
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54
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Tezos for Python
I am quite new to Python, using it for about half a year. I want to learn coding on Tezos blockchain and got some questions for you.
Is there a chance to deploy smart contract using python? I know ...
- 1
1
vote
1
answer
53
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How to compare a mutez value with int in smartpy
When trying to check the transferred value is positive I get an error that TMutez is not TIntOrNat.:
sp.verify(sp.amount > 0, "Amount should be positive")
- 141
2
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1
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118
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Why does smartpy use sp.for/sp.while instead of the default loops provided by python?
So I just started out with smartpy and I am kinda confused about the point of having separate expression for loops. My understanding is that it is may be because it's a part of on-chain computations, ...
- 317
1
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2
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117
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How to total smartpy.TMutez type stored as values in smartpy.bigmap?
I have the following smartpy.bigmap in smart contract storage:
import smartpy as sp
self.data.init(bgmp=sp.bigmap(tkey=sp.TAddress,tvalue=sp.TMutez))
I would like to total all the stored tvalue so ...
- 201
2
votes
2
answers
126
views
How to connect to sandboxed server with pytezos?
I'm trying to use pytezos with sandboxed tezos server. Pytezos requires the following arguments for connection:
shell, set to http://localhost:18731/
key, which I can't figure out
I tried the ...
- 207
4
votes
2
answers
200
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Unable to get consistent tz2 (secp256pk1) signature
I am trying to reproduce the signing algorithm used for tz2 address which uses the secp256pk1 elliptic curve.
My problem is that when I try to verify if the signature is valid with the tezos cli, I ...
- 347
3
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1
answer
403
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Creating public key hash
Could somebody please point me to a piece of working Python 3.7 code that generates a Tezos public key hash out of seed, password and e-mail address?
Everything I could find so far is always a mix of ...
- 31
2
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1
answer
75
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Can inject operation but can't preapply operation, returns 400
I can inject an operation but can't preapply an operation, it returns 400.
I checked the body's format and it's OK. Why does this rpc return 400? I can inject the operation.
- 593
7
votes
3
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292
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How do I base58 encode the chain ID using Python?
When Tezos needs to sign a baking or endorsement operation payload, byte 0 will be a 0x01 for a baking operation or 0x02 for an endorsement operation. Bytes 1-5 in the operation payload contain the ...
- 1,096