All Questions
Tagged with offchain-worker pallet
8
questions
3
votes
1
answer
40
views
Is there a way to use a crate that depends on the `std` in substrate OCW?
from what I've learned so far, the OCW is designed specifically for executing heavy and time-consuming computations outside of the runtime. As the OCW is not a part of runtime/wasm, I guess the OCW ...
- 197
2
votes
1
answer
43
views
How to make a fn only callable by an offchain worker?
I don't think this is possible but is it?
I have data that comes from an API that ultimately needs to be stored onchain which I don't want to risk having done through a Pays::No fn in case the call ...
- 29
4
votes
1
answer
50
views
Change state from a task
I have a asynchronous task running in service.spawn_essential_task(task).
Which does some stuff and wants to write data in storage. How can i achieve this?
Changing state by making runtime_apis to ...
- 43
1
vote
1
answer
57
views
Iterate storage maps inside an offchain worker
I need to iterate over the following double map inside an offchain worker:
How can I access this map outside the pallet assets? Can I use an RPC method to get all the values for that double map ...
0
votes
0
answers
73
views
offchain indexing for large files
I'm new to the project and currently working on a pallet, which is supposed to deal with large files offchain. Pallet, offchain indexing and the offchain worker are all working fine, still I get "...
- 1
0
votes
1
answer
149
views
Is there any way to interact between ink smart contract and off-chain worker?
I know that we can interact between smart contract and runtime (and vice versa) but I can not find a way that I can fetch data from API (in off-chain worker pallet) and pass those data to the smart ...
0
votes
1
answer
94
views
Implementing an Identity Management pallet, would be more efficient in a Relay or Parachain?
I'm implementing an Identity Management pallet for an administrative ecosystem.
Suppose that using the same architecture as Polkadot.
Questions
It would be more secure, efficient and scalable to have ...
3
votes
2
answers
102
views
How can a OCW determine if a node is fully synced?
Is there a status-call/api that a OCW could invoke in order to establish if the actual running node instance is fully synced? Maybe listening to a frame_system event? Or knowing the total blocks ...
- 692