cosmos-sdk/x/stake/keeper_keys.go

83 lines
3.3 KiB
Go

package stake
import (
"encoding/binary"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/wire"
crypto "github.com/tendermint/go-crypto"
)
// TODO remove some of these prefixes once have working multistore
//nolint
var (
// Keys for store prefixes
ParamKey = []byte{0x00} // key for parameters relating to staking
PoolKey = []byte{0x01} // key for the staking pools
ValidatorsKey = []byte{0x02} // prefix for each key to a validator
ValidatorsByPubKeyKey = []byte{0x03} // prefix for each key to a validator by pubkey
ValidatorsBondedKey = []byte{0x04} // prefix for each key to bonded/actively validating validators
ValidatorsByPowerKey = []byte{0x05} // prefix for each key to a validator sorted by power
ValidatorCliffKey = []byte{0x06} // key for block-local tx index
ValidatorPowerCliffKey = []byte{0x07} // key for block-local tx index
TendermintUpdatesKey = []byte{0x08} // prefix for each key to a validator which is being updated
DelegationKey = []byte{0x09} // prefix for each key to a delegator's bond
IntraTxCounterKey = []byte{0x10} // key for block-local tx index
)
const maxDigitsForAccount = 12 // ~220,000,000 atoms created at launch
// get the key for the validator with address
func GetValidatorKey(ownerAddr sdk.Address) []byte {
return append(ValidatorsKey, ownerAddr.Bytes()...)
}
// get the key for the validator with pubkey
func GetValidatorByPubKeyKey(pubkey crypto.PubKey) []byte {
return append(ValidatorsByPubKeyKey, pubkey.Bytes()...)
}
// get the key for the current validator group, ordered like tendermint
func GetValidatorsBondedKey(pk crypto.PubKey) []byte {
addr := pk.Address()
return append(ValidatorsBondedKey, addr.Bytes()...)
}
// get the key for the validator used in the power-store
func GetValidatorsByPowerKey(validator Validator, pool Pool) []byte {
power := validator.EquivalentBondedShares(pool)
powerBytes := []byte(power.ToLeftPadded(maxDigitsForAccount)) // power big-endian (more powerful validators first)
// TODO ensure that the key will be a readable string.. probably should add seperators and have
// heightBytes and counterBytes represent strings like powerBytes does
heightBytes := make([]byte, binary.MaxVarintLen64)
binary.BigEndian.PutUint64(heightBytes, ^uint64(validator.BondHeight)) // invert height (older validators first)
counterBytes := make([]byte, 2)
binary.BigEndian.PutUint16(counterBytes, ^uint16(validator.BondIntraTxCounter)) // invert counter (first txns have priority)
return append(ValidatorsByPowerKey,
append(powerBytes,
append(heightBytes,
append(counterBytes, validator.Owner.Bytes()...)...)...)...) // TODO don't technically need to store owner
}
// get the key for the accumulated update validators
func GetTendermintUpdatesKey(ownerAddr sdk.Address) []byte {
return append(TendermintUpdatesKey, ownerAddr.Bytes()...)
}
// get the key for delegator bond with validator
func GetDelegationKey(delegatorAddr, validatorAddr sdk.Address, cdc *wire.Codec) []byte {
return append(GetDelegationsKey(delegatorAddr, cdc), validatorAddr.Bytes()...)
}
// get the prefix for a delegator for all validators
func GetDelegationsKey(delegatorAddr sdk.Address, cdc *wire.Codec) []byte {
res, err := cdc.MarshalBinary(&delegatorAddr)
if err != nil {
panic(err)
}
return append(DelegationKey, res...)
}