mandos | learning elm project but i 'd also like
kandi X-RAY | mandos Summary
kandi X-RAY | mandos Summary
this is a learning elm project but i'd also like the code to be clear and well-factored enough to be a "teaching" project as well.
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QUESTION
The problem
Here's my function :
...ANSWER
Answered 2022-Jan-17 at 09:58If it's a endpoint I think you have to use SDK special type for that like ManagedVec so that Node can know how to serialize/deserialize it.
So maybe try this :
QUESTION
I'm trying to create an elrond smart contract that would allow multiple elements to be sent at once to reduce the number of transactions to send the initial information to the contract.
To do so, I'm using an endpoint that takes into an argument a VarArgs of MultiArg3
...ANSWER
Answered 2021-Dec-29 at 17:40Since you are using a struct the ManagedBuffer
inside the struc are nested encoded. Which means you need to add the length of the ManagedBuffer
before it.
Luckily there is a shortcut for that by using the nested:
prefix.
So your arguments would look like this:
QUESTION
I am trying to get the data of a single struct and the data of a list of this struct in view methods in a smart contract. The struct would be something like:
...ANSWER
Answered 2021-Dec-21 at 12:10In mandos, you should expect this as out:
QUESTION
I'm trying to run the below mandos test, but when running erdpy contract test
, the test fails and returns the following error: FAIL: address in "setState" "newAddresses" field should have SC format: address:the_crowdfunding_contract
.
The test code is the one from the elrond smart contract tutorial, part 1.
What is the correct format of the SC address in the setState
step?
Versions used:
- erdpy: 1.0.21
- elrod-wasm: 0.22.9
ANSWER
Answered 2021-Nov-14 at 22:39SmartContract addresses in mandos should be prefixed using sc:
instead of address:
So the correct test would look like this:
QUESTION
I'm trying to run the tests for the contract from this tutorial, https://docs.elrond.com/developers/tutorials/your-first-dapp/, but I'm stumbling upon the below error when running erdpy contract test
ANSWER
Answered 2021-Nov-12 at 22:01TLDR: if running in a WSL environment, that might be the issue.
Ok, I've managed to side-fix the issue.
Initially, I was running Windows 10 and Ubuntu 20.04 using WSL2. After trying various solutions (e.g.: updates, reinstalling dependencies etc.) I've given up. I've removed the Ubuntu 20.04 WSL2 environment and instead went for having an actual Ubuntu 20.04 installation, alongside Windows 10 and dual booting between them. Everything ran smoothly in the new, standalone, Ubuntu environment. My guess is that some dependencies are either not installed or not properly configured in a WSL2 environment, but considering my current erdpy & elrond tech stack experience, I cannot confirm or pinpoint the exact root cause.
QUESTION
I created a smart contract and I want to test it using the mandos framework. When I run the erdpy contract test
, it fails with the following command output:
Output: Scenario: contract-deploy.scen.json ... FAIL: result code mismatch. Tx 1. Want: 0. Have: 9 (contract invalid). Message: invalid contract code
How to solve that issue?
...ANSWER
Answered 2021-Oct-26 at 20:08If you get invalid contract code, you can update your arwen version by:
QUESTION
Shouldn't field
be undefined on line 50? It was my understanding that inner nested classes did not have visibility to outer classes, as I ran into on line 65... Just seems kind of inconsistent and I would love to have a better understanding of the outer nested classes visibility to avoid any confusion in the future.
ANSWER
Answered 2020-Dec-18 at 03:32I've write very simplified example:
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Install mandos
Elm packages are available at elm-lang.org. If you are going to make HTTP requests, you may need elm/http and elm/json. You can get them set up in your project with the following commands: elm install elm/http and elm install elm/json. It adds these dependencies into your elm.json file, making these packages available in your project. Please refer guide.elm-lang.org for more information.
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