Questions tagged [python]
The python tag has no usage guidance.
27
questions
0
votes
2
answers
26
views
Url error in smartpy
I trying to write a smart contract on the tezos network and using import FA2 library for this. But when I try to run the code I face the url error.
this is my code :
import smartpy as sp
FA2 = sp.io....
- 1
0
votes
1
answer
12
views
Pytezos: transfer endpoint
I get an unexpected arguments error while trying to make a transfer endpoint call.
my_contract.transfer([{
"transfer_item":
{
"from_": "tz1...",
"txs&...
- 1
1
vote
1
answer
23
views
Examples of deploying a smart contract on a tezos sandbox with python/pytezos
I've been looking for up to date examples of deploying a smart contract on a tezos sandbox for a while now. Does anyone know of any good references? I'm using python/pytezos.
user9011
0
votes
1
answer
29
views
Decoding the "0501..." strings used by SigningType.MICHELINE
Is there a trick to decoding the "0501..." strings used by SigningType.MICHELINE. I am trying to unpack it from python using:
from pytezos.michelson.types import MichelsonType
ty = ...
user9011
0
votes
2
answers
59
views
Using Pytezos to Properly call a smart contract with correct parameters ( to purchase token from objkt )
I am hitting a wall trying to figure out a working proof of concept to get pytezos to "purchase" a token from objkt. I am using the following script with pytezos under the assumption that:
...
- 101
2
votes
1
answer
29
views
Pytezos: structuring call for FA2
Can you guys help me correctly structure a call to the update_operators in an FA2? I tried everything single combination I can think of, and it still doesn't work
It says the structure should be like ...
-1
votes
1
answer
56
views
How to validate a tezos address either it's valid or invalid?
Like in web3.py we can check an ethereum address is valid or invalid by this
web3.utils.isAddress(address)
Is there any function available in pytezos or not?
- 49
-2
votes
1
answer
45
views
I've setup the tezos node for Ghostnet testnet but don't know how interact with node
I'm facing this issue while interacting with my node
- 49
1
vote
1
answer
56
views
how to find the balance in pytezos [duplicate]
how to find the balance of an tezos account in pytezos?
- 49
1
vote
1
answer
83
views
How to create an address of tezos by using pytezos?
I've created an address of tezos by using pytezos with the below mentioned code
addr = Key.generate()
publicKey = addr.public_key_hash()
pvtKey = addr.secret_key(passphrase='12435')
and when I import ...
- 49
1
vote
1
answer
51
views
How can I connect to the kathmandunet in pytezos?
I'm using pytezos and trying to send 1 xtz from one account to another account using pytezos and I want to do this transaction on kathmandunet and I don't know how to initialize the pytezos instance ...
- 49
2
votes
1
answer
30
views
How to use the pytezos.crypto.encoding.base58_encode function?
i'm trying to use the pytezos.crypto.key library. But i miss something giving the Key object my public key as an argument. Here my code :
encoded_key=pytezos.crypto.encoding.base58_encode(bytearray(b'...
- 23
0
votes
1
answer
71
views
How to interact with tezos blockchain by using python?
I want to create a python script in which I need to create some functions like
1-GetTransactionByHash
2-GetBlockByHash
3-GetBalanceOfWallet
I want to ask that how could I do it by using python in ...
- 49
1
vote
1
answer
67
views
Gas Exhausted error
I am trying to use pytezos to perform a transaction on Tezos testnet.
I am receiving a 'Gas Exhausted' error although it is suppose to autofill.
Python code:
native_key = await Key.from_mnemonic(words,...
- 113
0
votes
1
answer
23
views
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
151
views
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 = ...
- 31
3
votes
1
answer
92
views
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 ...
- 31
0
votes
1
answer
17
views
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
votes
2
answers
100
views
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
73
views
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
votes
1
answer
135
views
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, ...
- 351
1
vote
2
answers
145
views
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
138
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
5
votes
2
answers
224
views
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 ...
- 357
3
votes
1
answer
457
views
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
votes
1
answer
138
views
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
answers
317
views
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