7
votes
Can ADA locked on a script be staked?
An Ada address is made up of 2 separate credentials, one for payment and one for staking. These are both treated independently and one, the other or both can be script hashes instead of plain key ...
- 2,677
6
votes
Accepted
Does a script always have the same address forever?
Does a script always have the same address forever?
Yes. But the script doesn't live at the address, transactions spending UTxOs at the address must be validated by the script to be spent.
When ...
- 3,247
6
votes
Accepted
Is there any limit to the number of UTXO's sitting at a script address?
Is there any limit to the number of UTXO's sitting at a script address?
There shouldn't be any practical limit.
UTxOs aren't stored in some memory at an address. The address determines who can spend ...
- 3,247
6
votes
What does it mean that a UTxO sits at script address?
UTxOs are always associated with some address or "public key".
Traditionally, on Bitcoin and Cardano that meant a wallet address. And someone could only spend a UTxO in a transaction signed ...
- 3,247
6
votes
How do nodes access the validator code?
A validator script is compiled into Plutus Core by the Plutus Tx compiler. (It's actually a bit more complicated: see https://iohk.io/en/blog/posts/2021/02/02/plutus-tx-compiling-haskell-into-plutus-...
- 609
4
votes
Accepted
How can a node verify a transaction with a script address without the script?
By inspecting the current ledger CDDL specifications, you can see that each block contains a transaction_witness_sets field, where each transaction_witness_set is defined as:
transaction_witness_set =
...
- 756
3
votes
Accepted
Is it possible to send funds to a scriptAddress using a lightweight wallet?
This answer will surely age fast.
At the time of writing both Nami V3.2.0 and Yoroi Nightly 4.11.501 allow you send to script address, but neither advertise any options of setting datums. Nami allows ...
- 403
3
votes
Accepted
Plutus script execution at every end of epoch
As mentioned by Jey earlier, blockchains and smart contracts remain latent until triggered by a user submitted transaction.
One way you could pull this off is that you could use the cardano-cli ...
- 239
3
votes
Why does the Plutus script need be provided in the transaction?
An update on one part of the question that hasn't been addressable till now
If the script was stored separately on the address, then a spending
transaction would only need to point to that script ...
- 239
3
votes
Is there any limit to the number of UTXO's sitting at a script address?
This sounds like a two part question:
Is there any limit to the number of UTXOs stored at a script address
Is there any limit to consuming UTXOs stored at a script address
For the first one, yes and ...
- 361
3
votes
Accepted
Can ADA locked on a script be staked?
When you create an output with a script address, you can put whatever staking key you like on it. That staking key behaves exactly like staking keys do in all other outputs.
Scripts can see staking ...
- 1,162
2
votes
Convert Plutus Address Credential to real-net address
Check here please:
https://cardano.stackexchange.com/a/8808/6196
I answered a similar question in a different post
- 312
2
votes
Can ADA locked on a script be staked?
Yes. There are a few projects doing this, one of them is StakingDAO, which is in Catalyst Fund 7. I cannot give you details about how this is done, but I heard a few other people saying this is ...
- 1,245
2
votes
Is it possible to decode smart contract code from a script hash?
On if it's possible to decode the Plutus code of a given contract, there's a possible duplicate of this question here: Can blockchain viewers read the source code of a smart contract if they know its ...
- 119
2
votes
Accepted
How to build a script transaction if the validator expects it to be signed
I am afraid that via the cardano-cli, you will not be able to do that. Indeed the cli evaluates the execution units before you get to sign the transaction.
Signatories are however available in the ...
- 535
2
votes
Discovering the script source based on address
You can't get the Smart contract code starting from its address.
As @zhekson already mentioned, smart contract addresses are hashes of the code (the serialization of the untyped Plutus core to be ...
- 992
2
votes
Accepted
What happens if I omit a datum hash in a transaction to a script address?
Currently, Cardano has two types of addresses, verification key witnessed addresses and script witnessed address. The former allows spending of value (in the form of UTxOs) from that address if the ...
- 1,862
2
votes
Accepted
Javascript SDK for working with Plutus smart contracts
You have many options for that:
programmatically create a Plutus smart contract to mainnet
Here the only option is plu-ts; it allows you to write and compile a smart contract directly in typescript (...
- 992
1
vote
Is it possible to consume a script UTxO in the same block?
If the first output is in the mempool, you can use it in a subsequent transaction without the node throwing an error. However, there is no assurance that both transactions will be part of the same ...
- 166
1
vote
How To Get Address Transaction history into Smart Contract?
Turns out plutus does not support this yet (if your reading this in the future it might be out of date -> please check the timestamp).
- 972
1
vote
How to Get the Script Address of A Smart Contract?
for those looking to use ```cardano-cli``
cardano-cli address build --$testnet --payment-script-file path/to/serialized-smartContract.plutus.json
- 992
1
vote
Accepted
How to Get the Script Address of A Smart Contract?
There's multiple ways to do it. For example using cardano-addresses or Pycardano library
Pycardano:
script_cbor_hex = '...'
script = cbor2.loads(bytes.fromhex(script_cbor_hex))
script_hash = ...
- 174
1
vote
Accepted
Listing all UTXOs spend by a script as well as the public key it came from
sorry can you please be more specific?
what exactly do you mean "ist all Utxos that were consumed by my script " ?
do you need a list of UTXOs for a specific address?
and additionally, do ...
- 346
1
vote
Accepted
Script Witness Not Validating for Multisig
Finally I was able to sort this out.
You can use this library to create the multisig: https://github.com/tango-crypto/cardano-wallet-js
The code I ran was the following:
multisig.js
const { ...
- 1,055
1
vote
How to generate script address from plutus script cborhex
I've answered this here, but as a reference I'll copy my answer below:
Plutus-Core script bytes are wrapped twice in a CBOR bytearray.
Use the following steps to calculate the script address:
unwrap ...
1
vote
Plutus script execution at every end of epoch
Scripts are executed as part of a transaction validation. That means: no transaction -> no script execution. The blockchain has no mechanism of timed or automatic script execution. What you can do ...
- 1,549
1
vote
Discovering the script source based on address
Firstly, the address you referenced in your question is a Byron address, as pointed out by Samuel. Byron addresses are payment only, and are not associated with scripts (smart contracts) or staking.
...
- 3,639
1
vote
Discovering the script source based on address
That's a Byron address, not a plutus script address. Likely being sent to an exchange.
- 2,677
1
vote
Do script addresses have a staking part? Is it possible to stake from smart contracts on Cardano?
Yes, it can, if you look in the CIP19, it has the header of 0001.....
This address contains both the script has, as well as the stake key hash.
- 7,269
1
vote
Why is there no mechanism available to restrict creation of UTXOs at a script address?
Because the purpose of a script is to determine the conditions a UTxO can be spent.
If you want to deter people from creating arbitrary UTxOs at your script address, you can write the script in a way ...
- 3,247
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