Staking-Contract
abeychain staking contract is deployed at address:
0x000000000000000000747275657374616b696E67
One node can participate as a validator to proposal new blocks with
deposit function. To create your validator, you need to deposit some abey coin and register you validator public key. Delegators can bond their coin to the validator account and shares block reward by their portion. Validator can charge for additional fee rate from the delegators reward.The feeRate calculation:
feeRate = fee / 10000
After deposit, the node becomes a validator candidate. Only if the deposit balance > 20000(abey), the validator can be selected as a candidate.
parameter | type | comment |
pubkey | bytes | BFT public key of 65 bytes |
fee | uint256 | percent of reward charged for delegate, the rate = fee / 10000 |
value | wei | abey token to deposit |
Validator can cancel a portion of the deposit from staking balance. With the
cancel transaction executed, the cancelled portion is locked in the contract for about 2 weeks. After the period, validator can withdraw the canceled coins.parameter | type | comment |
value | uint256 | unlock a portion of deposit, the unit is wei |
Validator can deposit extra
abey token to the deposit contract by append function.parameter | type | comment |
value | wei | amout of coin staked by the deposit account |
Validator can withdraw the unlocked token after a locking period of 2 weeks. All the deposit balance can be retrived by
getDeposit function.parameter | type | comment |
value | uint256(wei) | amount of value withdrawed to the owner |
Validator can query deposit balance by
getDeposit function. there are 3 states for the deposit: staked, locked, unlocked- staked: token which validator bond to stake contract and may receive block reward
- locked: token which were canceld but are still locked in the deposit util 2 weeks.
- unlocked: valdator use withdraw token of unlocked state
parameter | type | comment |
owner | address | address of deposit validator |
getDeposit function outputs uint256 tuple of 3 items:(staked, locked, unlocked)parameter | type | comment |
staked | uint256 | amount which is staked in deposit |
locked | uint256 | amount which is cancelled but still is in lock period |
unlocked | uint256 | amount which validator can withdraw |
People who do not want to run a validator full node can deposit their token to a certern validator to gain staking reward.
If the holder's own deposit is less than 20000 abey, delegtor can not receive any reward as the validator would't be elected as a candidate.
parameter | type | comment |
holder | address | address of a particular validator account |
value | wei | amout of coin deposit to the delegator account |
Delegator can cancel a portion of the deposit from a certern validator holder. With the
undelegate transaction, the cancelled portion is locked in the contract for about 2 weeks. After the period, delegator can withdraw the canceled token.parameter | type | comment |
holder | address | address of the delegator |
value | uint256 | unlock a portion of delegated coin |
Delegator can withdraw the unlocked token from a validtor. All the delegation balance can be retrived by
getDelegate function.parameter | type | comment |
holder | address | address of the delegator |
value | uint256 | amount of coin withdrawed to the owner |
getDelegate return the balance state of a delegator. The state of token balance is similar to getDepositparameter | type | comment |
owner | address | owner address of the delegated coin |
holder | address | address of the delegator |
getDelegate function outputs uint256 tuple of 3 items: (staked, locked, unlocked)parameter | type | comment |
staked | uint256 | amount which is staked in deposit |
locked | uint256 | amount which is cancelled but still is in lock period |
unlocked | uint256 | amount which coin owner can withdraw |
Last modified 2yr ago