Questions tagged [smart-contract]

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How to deploy solidity smart contract on IOTA ? i appreciate any tutorial or document suggestion!

i started by running a hornet-nest-node and wasp node on devnet , then i installed wasp-cli to interact with my node but i didn't figure out what are next steps ! my wasp-config.json : { "database":...
Imen's user avatar
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1 answer
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Problem with ERC20 Faucet

I'm new to the IOTA world so forgive me if this question is too basilar ^^' I'm following the tutorial on https://wiki.iota.org/wasp-evm/getting-started/quickstart/ and i'm trying to deploy a simple ...
MarcoMB's user avatar
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1 vote
1 answer
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Smart contract in WASM to vote for a provider always returns 0 votes

I am working with the local-setup and I have a smart contract to vote for a provider. In my schema: structs: Proposal: provider: String # provider name value: Uint64 # service ...
Antonio Nardella's user avatar
2 votes
1 answer
23 views

Getting error related to deploying the Graph on ShimmerEVM for DeX or other use cases "gas limit exceeds maximum allowed"

The Graph is a protocol for building decentralized applications (dApps) quickly on Ethereum and IPFS using GraphQL. Graph Node is an open source Rust implementation that event sources the Ethereum ...
Antonio Nardella's user avatar
2 votes
2 answers
464 views

How to interpret the gasPrice?

How to interpret the gasPrice? Which unit is it and how to calculate how much SMR it is? I followed this tutorial and I have following transactionReceipt: { hash: '...
Antonio Nardella's user avatar
1 vote
0 answers
14 views

Minimum hardware requirements for a Hornet + WASP node

Hornet minimum hardware specs: 4 cores or 4 vCPU. 8 GB RAM. SSD storage. What percentage of the hardware spec is often used? I'm wondering by how much I should increase the VPS cores & RAM for a ...
0xZiyad's user avatar
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1 vote
1 answer
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ISC WASP fixed block interval

is there way to set a fixed block interval in WASM based chains? e.g. call a tick() function every 10 seconds. in particular, i need a way of calculating elapsed time since X let tick = 0; func1 { ...
0xZiyad's user avatar
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2 votes
1 answer
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How can I update a WASM ISC contracts?

I'm looking for a way to modify/upgrade my deployed contract functions while keeping the state untouched. is there an example somewhere on doing this?
0xZiyad's user avatar
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1 vote
1 answer
59 views

Can IOTA Smart Contracts access IOTA Streams channels or vice versa?

I am currently learning how IOTA Smart Contract Protocol works. From what I have been able to read, the ISCP is a second layer protocol which off-Tangle executes smart contracts. However, its state is ...
user5291's user avatar
  • 164
1 vote
2 answers
260 views

Do Wasp nodes only connect to a GoShimmer nodes?

I want to build a simple project with IOTA. First, I want to start a simple local/private Tangle network and then use wasp to write and run a smart contract. My question is, which nodes can I use to ...
Majd TL's user avatar
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3 votes
0 answers
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Smart Contract for IOTA: Is it finally possible to deploy a contract in IOTA in practice? Or still underway?

I heard before that IOTA decided to add the possibility of developing and deploying the smart contract in IOTA (Like Ethereum) with a specific language called "Abra", and it was promised to be run at ...
Questioner's user avatar
4 votes
2 answers
378 views

What is Qubic exactly? A programming language? An IOTA Smart Contract?

According to this blog entry : IOTA does not “natively” support smart contracts. The IOTA Foundation has publicly stated, that smart contracts will not be a feature of the IOTA core but ...
Questioner's user avatar
6 votes
2 answers
301 views

What are the differences between Qubic smart contracts and Ethereum smart contracts?

I would like to know the differences between Qubic smart contracts and Ethereum smart contracts (for example: Turing-completeness, oracle-like behaviors...).
Bayequentist's user avatar
3 votes
1 answer
850 views

What smart contract language does IOTA use?

What smart contract language does IOTA use? Solidity?
Nathan Aw's user avatar
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3 votes
1 answer
86 views

Can a smart contract make calls (e.g. web service calls) to outside of the network?

Will IOTA smart contracts be able to make calls to external web services or other APIs, or is it too early to tell?
user100487's user avatar
4 votes
1 answer
76 views

Payments & Smart Contracts [closed]

Can I build a payment platform with escrow features (smart contracts), for free money transfers on IOTA?
Eddie Sanders's user avatar
5 votes
2 answers
4k views

How will Smart Contracts be implemented on the Tangle, providing timestamps are enforced? [closed]

On the main DAG? On a second layer? Or something else? How does it work basically?
Bayequentist's user avatar
14 votes
2 answers
389 views

What are timestamps and how are they connected to smart contracts?

What exactly are timestamps? When do we see them in IOTA? And what is the correlation between timestamps and smart contracts?
Vrom's user avatar
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