Known issues

Known issues in the Autonity codebase

Snap syncing is not supported for new networks

There is a known issue in the go-ethereum codebase where the default snap syncmode is not yet supported for new networks - see https://github.com/autonity/autonity/blob/master/eth/handler.go#L196-L200.

To resolve, for new networks:

• genesis nodes bootstrapping the network need to run with full sync: set the flag --syncmode "full" when starting the node
• new nodes joining the network after genesis can run in the default “snap” syncmode.

Autonity Protocol proposer election algorithm contains an off-by-one error

The proposer election algorithm for height h and round r actually returns the result for height h-1 and round r.

The Autonity Protocol Contract Interface function getProposer() takes parameters of block height and consensus round. To get the elected proposer for height = h and round = r pass the following parameters to it: - height = h - 1. - round = r.

Light client syncing is not supported

Autonity does not currently support light clients and the LES Protocol. The blockchain sync mode “light” should not be set: --syncmode light is not supported.