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Why does a block in Substrate-based blockchain have no author and no reward points?

We encountered an issue in our Substrate-based blockchain network where a block has no author and no reward points were given to any validator. This block was finalised. The block was an era-...
Toufeeq's user avatar
  • 156
0 votes
1 answer
27 views

What is the formula of calculating the era points in polkadot?

I've been delving into the era points system on Polkadot, but I'm encountering confusion regarding how the total points for validators are calculated. There are currently 297 active validators, and in ...
Arunjot Singh's user avatar
1 vote
0 answers
124 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 ...
지상범's user avatar
0 votes
1 answer
47 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 ...
Heindrick's user avatar
  • 183
1 vote
1 answer
147 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? ...
Heindrick's user avatar
  • 183
6 votes
1 answer
546 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 ...
Iker's user avatar
  • 1,356
2 votes
2 answers
224 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? ...
Rose's user avatar
  • 305
1 vote
1 answer
75 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. ...
mr_bovo's user avatar
  • 171
0 votes
1 answer
132 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 ...
Heindrick's user avatar
  • 183
6 votes
1 answer
294 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 ...
dominique's user avatar
  • 1,683
1 vote
0 answers
174 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(...
zqhxuyuan's user avatar
  • 205
0 votes
1 answer
90 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 ...
adrian's user avatar
  • 25
1 vote
1 answer
64 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 ...
dominique's user avatar
  • 1,683
2 votes
1 answer
66 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 ...
pravin k's user avatar
  • 111
1 vote
1 answer
84 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 ...
zqhxuyuan's user avatar
  • 205
3 votes
2 answers
136 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 ...
M Kemp's user avatar
  • 505
10 votes
1 answer
313 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?
Kanishka's user avatar
  • 465
2 votes
1 answer
71 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 ...
JelliedOwl - Paul's user avatar