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16 votes
1 answer
317 views

Equivocation crash (network with ~100 Aura Validators)

We've had a test network running for about 3.5 months with regularly-rotating sets of Aura / Grandpa Validators. Suddenly, we have run into an issue whereby the vast majority (~2/3) of the network has ...
Tom Nash's user avatar
  • 428
4 votes
1 answer
503 views

How to use noteStalled to recover from a finality lagging chain?

From the documentation: Grandpa: noteStalled (delay: u32, best_finalized_block_number: u32) interface: api.tx.grandpa.noteStalled summary: Note that the current authority set of the GRANDPA finality ...
Simson's user avatar
  • 1,275
8 votes
1 answer
775 views

Recovering from stalled finality (babe/grandpa)

While experimenting with a relay chain testnet, Decentration and I ran into this issue with multiple validators on the same node, stalled finality and got the chain into slow block-making mode. We ...
JelliedOwl - Paul's user avatar