PolkadotJS version 0.9.30

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Im following following tutorial https://github.com/gautamdhameja/substrate-validator-set/blob/polkadot-v0.9.30/docs/council-integration.md and getting the following error when submitting keys

How to fix this error?

1 Answer 1


It appears to me that the output from rotatekeys shouldsplit in to half

The first 64bits are the correct key

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