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The current delegation mechanism are prone to unstaking attack. i.e. a
malicious attacker could unstake a small amount from a lot of node it
staked before and make them unqualified, which leads to potential
failure of the network.
Since DEXON does not use consensus like DPoS, node is required to have
at least MinStake in order to become a node. Voting mechanism is not
required in our system since qualified node does not depends on the
number of votes. Instead of managing the delegation mechanism in
governance contract, we should let the owner manage the delegation and
reward distribution mechanism on their own.
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So that other contract can call oracle contract.
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* core/vm: Add Fined field to nodeInfo.
* core/vm: Add PayFine to Governance
* Not qualify if staked-fine < minStake()
* Add test for fine
* Update genesis hash
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* core/vm: Add DKGMPKReady
* param: update GenesisHash
* vendor: sync to latest core
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Only allow a user to withdraw funds after a certain lockup
period. This way, the fund of a bad actor could be confiscated before he
could escape.
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