Staking contract
Contract Address
abeychain staking contract is deployed at address:
Contract json ABI
Refer to Staking ABI
Interact with contract interface
deposit
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:
After deposit, the node becomes a validator candidate. Only if the deposit balance > 20000(abey), the validator can be selected as a candidate.
cancel
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.
append
Validator can deposit extra abey
token to the deposit contract by append
function.
withdraw
Validator can withdraw the unlocked token after a locking period of 2 weeks. All the deposit balance can be retrived by getDeposit
function.
getDeposit
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
getDeposit
function outputs uint256
tuple of 3 items:(staked, locked, unlocked)
delegate
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.
undelegate
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.
withdrawDelegate
Delegator can withdraw the unlocked token from a validtor. All the delegation balance can be retrived by getDelegate
function.
getDelegate
getDelegate
return the balance state of a delegator. The state of token balance is similar to getDeposit
getDelegate
function outputs uint256
tuple of 3 items: (staked, locked, unlocked)
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