Questions tagged [contract]
The contract tag has no usage guidance.
3
votes
2answers
78 views
How to extract the storage of a smart contract?
How do I extract the storage data of a deployed smart contract? I am trying to read the storage data from the "free Ledger Nano S" contract KT1BRudFZEXLYANgmZTka1xCDN5nWTMWY7SZ from the Tezos ...
4
votes
0answers
24 views
Updating a existing contract with new code and storage
Is it possible to update a existing deployed contract with new code & storage on the same address?
It would be like adding a new version or does the updated contract have to be deployed to a new ...
2
votes
1answer
40 views
How to initialise a contract with storage (contract unit)
How do I initialise a contract with the following storage -
storage (contract unit);
Used after the command line parameter --init for contract deployment.
I have tried various formats but none of ...
2
votes
0answers
20 views
Contracts - is events / logging going to be added?
The Ethereum Solidity contract system has a feature for adding events (logging) which can be subscribed via the RPC and also searched for (as the events are stored on the blockchain).
Is there going ...
2
votes
1answer
28 views
Contract - purpose of returned internal operations?
I keep seeing contract internal operations being returned empty (stack - 'NIL operation;') in the example Tezos Michelson contracts.
What is the purpose of the internal operations? Also, are there ...
3
votes
0answers
18 views
Contract : opcodes FAILWITH / FAIL - gas usage
If a contract gets to the point where it fails. What is the process in terms of gas usage?
Storage gas (new storage until failure) : reverted
Gas usage (used until failure) : reverted
Gas fee : paid ...
3
votes
1answer
23 views
Michelson contract files - spaces, new lines and comments
I wanted to check that when a Michelson contract file is created. Do file spaces, new lines and comments increase the gas cost when deployed?
5
votes
1answer
32 views
method for calling to entry point of contract instance (?) created by contract.create
Contract A is not able to find the address of the contract created by contract.create. Tried adding the signature of B as well as it's complete definition in contract A but still, it doesn't solve the ...
8
votes
2answers
60 views
What are the new rules for when a KT1 gets destroyed? Or when “--burn-cap” must be used to send funds to a tz1/tz2/tz3 account?
What are the new rules for when a KT1 gets destroyed? Is there a certain balance that it goes below?
What about tz1/tz2/tz3? I noticed that sometimes --burn-cap must be used to send funds. Why is ...
6
votes
1answer
76 views
Deploying a simple contract using liquidity
Contract (simple.liq):
[%%version 1.0]
type storage = int
let%init storage = 0
let%entry main (parameter : int) storage =
( [], storage + parameter )
Deployment command:
liquidity --tezos-node ...
3
votes
1answer
44 views
Why use transactions to call contracts?
The transaction operation can be used to transfer tez, but also to call a smart contract. This leads to security issues since a user may be tricked into calling a contract when she simply wanted to ...
8
votes
1answer
44 views
how to estimate paid_storage_size_diff?
Example:
I deploy a contract(gen a multi sign address,3owners) or tranfer 0 amount to a KT1 address (for multisign address send money to a tz1 address)
I can estimate fee by: https://github.com/...
-3
votes
1answer
38 views
is this RPC methods related about : deploy or call contract? [duplicate]
but the doc have't example. really bad.
4
votes
1answer
56 views
how to deploy a contract with RPC method?
at first is there any way to deploy a contract with RPC methods?
if had, could give me a step by step example?
why I have so much problems confusing me because the official RPC doc have't detail ...
7
votes
2answers
71 views
Get a returned value when calling a Michelson contract
A call to a Michelson contract results in a storage update and the emission of operations. Is there a simple/standard way for the called contract to return a value to the caller?
