Questions tagged [block-hash]
The block-hash tag has no usage guidance.
3
questions
3
votes
2
answers
54
views
How to perform chain state query for entries AND at a block hash?
I can do this to get all the structs in my storage:
let queryResult = await api.query.mypallet.mystorage.entries();
but I want this query AT a specific block hash:
let currentHeader = ...
- 530
1
vote
1
answer
300
views
How do I get the block hash of an event?
I am subscribing system events using the events api. After I got the specific event I am looking for, how should get the block hash of this event?
Thanks
api.query.system.events((events) => {
...
- 23
2
votes
1
answer
74
views
How do you query a list of all previous block hashes from a substrate based chain?
I can see how to do so from the subscan api but I am interested in understanding how to query this data from the chain itself. Ie via a storage function or by another means
- 335