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add details of consensus fault slashing #1286

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add details of consensus fault slashing #1286

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f2a6d56
add details of consensus fault slashing
hunjixin Nov 19, 2021
6e2765e
format
hunjixin Nov 19, 2021
fc94ac6
update consensus fault penalty
hunjixin Nov 23, 2021
e5f5cdd
format
hunjixin Dec 1, 2021
f7db09f
fix spell
hunjixin Dec 1, 2021
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5 changes: 3 additions & 2 deletions content/algorithms/expected_consensus/_index.md
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Expand Up @@ -397,8 +397,9 @@ This is detectable when a given miner submits two blocks that satisfy any of the

A single consensus fault results into:

- miner termination and removal of power from the power table,
- loss of all pledge collateral (which includes the initial pledge and blocks rewards yet to be vested)
- a higger penalty is applied, the amount is approximately the reward of the report height
- unable to become leader within ChainFinality epoch
- unable to submit PreCommitMessage, PreCommitBatchMessage and DeclareFaultsRecovered message within ChainFinality epoch

### Detection and Reporting

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15 changes: 14 additions & 1 deletion content/glossary/_index.md
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Expand Up @@ -78,7 +78,20 @@ The algorithm(s) and logic needed so that the state of the blockchain is agreed

## Consensus Fault Slashing

Consensus Fault Slashing is the penalty that a miner incurs for committing consensus faults. This penalty is applied to miners that have acted maliciously against the network's consensus functionality.
Consensus Fault Slashing is the penalty that a miner incurs for committing consensus faults. This penalty is applied to miners that have acted maliciously against the network's consensus functionality. the detailed error checking process is as follows

1. whether byte data in params is legal block data
2. whether block epoch between UpgradeOrangeHeight - policy.ChainFinality and UpgradeOrangeHeight + policy.ChainFinality
3. two blocks cannot be the same
4. both blocks must be produced by the same miner
5. epoch of sencond block must bigger or equal than the first one
6. whether two blocks and extra blocks belongs to one of [three consensus faults](expected_consensus#types-of-faults),
7. heck if the signature of both block is correct
- block epoch must be whthin lastest ChainFinality epoch after network version7
- get the state when the block height is generated and than get the actor of message receiver,no gas fee is required
- to get the miner info of messager receiver in the previous step, requires a gas fee
- get worker address of miner,requires a gas fee.
- use the worker address obtained in the previous step to verify that the signature

## Cron Actor

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