btcstaking: verify covenant signatures and undelegation data

babylonlabs-io / babylon-contract

CosmWasm smart contracts for Babylon integration

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Closed SebastianElvis closed 2 days ago

SebastianElvis commented 5 days ago

Part of #7

This PR adds more verification rules to a newly active BTC delegation:

ensure that all covenant signatures over {slashing, unbonding, unbonding slashing} txs are valid
ensure that the unbonding tx is spending the staking tx
ensure that the unbonding tx and unbonding slashing tx are consistent