All Questions
Tagged with pallet-contracts polkadot
5 questions
1
vote
0
answers
26
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how to know about token implementation?
I have a questions about Tokens in polkadot ecosystem , If I am on parachain and this parachain A uses a token from another parachain B , if this token implements on_transfer hook does this hook will ...
- 11
0
votes
1
answer
81
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Get contract address from instantiated ContractRef
Based on this example
I'm doing something similar:
#[ink(message)]
pub fn new_multisig(&mut self, threshold: u8, owners_list: Vec<AccountId>, salt: Vec<u8>) {
let ...
0
votes
0
answers
70
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How to wrap an ink::env::Error in a Custom Error?
In my contract, I have a requirement to call messages from external contracts without knowing their specific identities beforehand. To achieve this, I utilize the call builder, enabling the execution ...
3
votes
1
answer
39
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Off chain worker for https:// request
I have a simple question if i use off chain workers to get calls to https://somecoinexchange/ to get data for some calculation, what will be the gas usage. I was presuming that since no chain work is ...
- 31
2
votes
1
answer
123
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Can I deploy an old ink! v3.x contract on the latest version of substrate/polkadot (pallet-contracts >= polkadot-v0.9.37)?
I have old smart contracts written in ink! v3.x, and I need to update the substrate version (including pallet-contracts) to >= polkadot-v0.9.37. After the update, I'll need to redeploy my smart ...
- 317