Questions tagged [era]

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10 votes
1 answer
271 views

How to change the era period?

I believe the default era period in substrate-node-template is 24 hours. Is there a way for me to change that period?
3 votes
2 answers
130 views

Slashable offences within two eras, what does this mean?

So reading the validators docs: If a validator was unresponsive or found to have committed a slashable offense within two era, the validator will be removed from the active set in a process known as ...
1 vote
0 answers
119 views

How to calculate claimable rewards from dApp Staking on Astar and Shibuya across multiple eras and multiple dApps?

Hi~ I have some questions about the developer staking process. I am using polkadot-api, developer staking part on shibuya-network. At portal.astar.network, I can see staking info on the dApp Staking ...
0 votes
1 answer
46 views

Can a nominator be rewarded multiple times per era?

https://kusama.subscan.io/nominator/DQobcxqahQzXu4Z5gXB1fc5GsK6YGH5kbvtAnznT4RDp3T3 This is one test nominator in Kusama. As you can see, this nominator has been rewarded from several validators. And ...
1 vote
1 answer
137 views

Get era and validator address from Rewarded event

I have Staking Rewarded event. I can get stash address and reward amount from it. How to use api.events.staking.Rewarded.is to get nominator reward? How can I get validator address and era from event? ...
5 votes
1 answer
447 views

How are rewards in DOT calculated from the era points earned by validators in Polkadot?

In the Polkadot wiki I see that "validators are paid proportionally to the amount of era points they have collected" after every era. However there is no info about how many DOTs an era ...
2 votes
2 answers
202 views

What is the difference between currentEra and activeEra

When I look for the exposures.others.length, it is not the same as the explorer show. The exposures.others.length is 302 but the explorer shows 342. Why? Should I use the currentEra or activeEra? ...
1 vote
1 answer
72 views

Genesis Authorities getting payout rewards in PoA

Context I have achieved PoA by setting StakingConfig::force_era to Forcing::ForceNone. This will prevent eras and election to be triggered, so that the validator set will be effectively constant. ...
0 votes
1 answer
123 views

Past reward history in polkadot.js

api.query.staking.erasRewardPoints(era) query returns reward history for selected era. And only last 84 eras reward history is available. I want to get reward history from first era. How can I get ...
6 votes
1 answer
250 views

What might be the reasons that my validator nodes are receiving significant less era points at the moment?

Since I upgraded my 3 KSM nodes : to 0.9.21 on May 11 and 0.9.22 on June 1 my era points dropped almost to zero. My Polkadot node was also upgraded on May 11 but rewards were not affected until June ...
1 vote
0 answers
171 views

How to make sure Mortal Era addition signed invariant?

CheckMortality additional_signed seems variant between blocks(I add some log to check_mortality.rs): I have a usecase that need additional_signed result of Era invariant between some adjacent blocks(...
0 votes
1 answer
87 views

Era taking longer than expected on Westend?

I'm testing with Westend network and it seems like the current era hasn't change for almost 4 days when it's supposed to change every 6h - is that normal / to be expected? And if that's normal how ...
1 vote
1 answer
63 views

When I sign a transaction or generate a payload, what is the appropriate/suggested value for the field called “Era Period”?

I read the documentation in the wiki and the support docs so I know that in Polkadot I can set any value bigger than zero and smaller/equal to 2400 to create a valid mortal transaction. However I was ...
2 votes
1 answer
61 views

Possible to claim Payouts for very old Era?

In payoutStakers() I see that Era argument needs to between current_era and history_depth. So are unclaimed payouts for very old eras effectively lost? If they are unclaimable, then are those funds ...
1 vote
1 answer
74 views

The era of Sign with no submission action is different than submit

I'm using a ed-25519 account, and first sign with no submission, and use the 「Signed transaction」to decode, the result(right pic) show the era Period is 0x40... then I do a real submit, but the ...
2 votes
1 answer
69 views

SessionsPerEra doesn't seem to be affecting sessions per era

Am I fundamentally misunderstanding how staking handles election timings, please? I've been trying to change the number of eras in a session, to increase the number of elections for testing. I ...