Genesis (Spec)

Spec

name

　　type: String
　　Name of a chain.
　　It will be showed in log when you start aion kernal.

dataDir

　　type: Option<String>
　　Name of dir to distinguish data from different chains.
　　For example: data_dir is mainnet which means db path of this chain is ~/.aion/chains/mainnet/db...

engine

　　type:Engine
　　Engine is an enum with two elements UnityEngine(UnityEngine) and Null(NullEngine).
　　Set kind of engine and its parameters.

UnityEngine

params

rampupUpperBound

　　type: Option<Uint>
　　Upper bound of block number for block reward floating.

rampupLowerBound

　　type: Option<Uint>
　　Lower bound of block number for block reward floating.

rampupStartValue

　　type: Option<Uint>
　　Block reward minimum.

rampupEndValue

　　type: Option<Uint>
　　Block reward maximum.

lowerBlockReward

　　type: Option<Uint>
　　Block reward for block which number is less than rampupLowerBound.

upperBlockReward

　　type: Option<Uint>
　　Block reward for block which number is larger than rampupUpperBound.

difficultyBoundDivisor

　　type: Option<Uint>
　　Participate in the calculation of the difficulty unit of change before unity update.

difficultyBoundDivisorUnity

　　type: Option<u64>
　　Participate in the calculation of the difficulty unit of change after unity update.

blockTimeLowerBound

　　type: Option<u64>
　　Lower bound of blocks interval.

blockTimeUpperBound

　　type: Option<u64>
　　Upper bound of blocks interval.

blockTimeUnity

　　type: Option<u64>
　　Unity blocks interval.

minimumPoWDifficulty

　　type: Option<Uint>

minimumPoSDifficulty

　　type: Option<Uint>

NullEngine

　　Temporarily reserved

params

blockReward

　　type: Option<Uint>

params

maximumExtraDataSize

　　type: Uint
　　Maximum size of extra data.

minGasLimit

　　type: Uint
　　Minimum gas limit.

gasLimitBoundDivisor

　　non_zero
　　type: Uint
　　Gas limit bound divisor (how much gas limit can change per block)

registrar

　　type: Option<Address>
　　Registrar contract address.

transactionPermissionContract

　　type: Option<Address>
　　Transaction permission contract address.

monetaryPolicyUpdate

　　type: Option<Uint>
　　Monetary policy update block number.

unityUpdate

　　type: Option<Uint>
　　Unity update block number.

genesis

seal

　　type: Seal
　　Seal is an enum with three elements POWEquihash(POWEquihash), Ethereum(Ethereum) and Generic(Bytes).

POWEquihash

nonce

　　type: H256

solution

　　type: Bytes

Ethereum

nonce

　　type: H64

mixHash

　　type: H256

Generic

difficulty

　　type: Uint

author

　　type: Option<Address>
　　defaults to 0

timestamp

　　type: Option<Uint>
　　defaults to 0

parentHash

　　type: Option<H256>
　　defaults to 0

gasLimit

　　type: Uint

transactionsRoot

　　type: Option<H256>

receiptsRoot

　　type: Option<H256>

stateRoot

　　type: Option<H256>

gasUsed

　　type: Option<Uint>

extraData

　　type: Option<Bytes>

accounts

builtin

　　type: Option<Builtin>
　　Builtin contract

name

　　type: String
　　Builtin name.

activate_at

　　type: Option<Uint>
　　Activation block.

deactivate_at

　　type: Option<Uint>
　　Deactivation block.

owner_address

　　type: Option<Address>
　　Owner address.

address

　　type: Option<Address>
　　contract address. if not specified, it's the same with builtin's key.

balance

　　type: Option<Uint>

nonce

　　type: Option<Uint>

code

　　type: Option<Bytes>

storage

　　type: Option<BTreeMap<Uint, Uint>>

storage_dword

　　type: Option<BTreeMap<Uint, Uint>>

constructor

　　type: Option<Bytes>