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keys.go
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keys.go
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package types
import (
bbn "github.com/babylonchain/babylon/types"
sdk "github.com/cosmos/cosmos-sdk/types"
)
const (
// ModuleName defines the module name
ModuleName = "btclightclient"
// StoreKey defines the primary module store key
StoreKey = ModuleName
// RouterKey is the message route for slashing
RouterKey = ModuleName
// QuerierRoute defines the module's query routing key
QuerierRoute = ModuleName
// MemStoreKey defines the in-memory store key
MemStoreKey = "mem_btclightclient"
)
var (
HeadersPrefix = []byte{0x0} // reserve this namespace for headers
HeadersObjectPrefix = append(HeadersPrefix, 0x0) // where we save the concrete header bytes
HashToHeightPrefix = append(HeadersPrefix, 0x1) // where we map hash to height
HashToWorkPrefix = append(HeadersPrefix, 0x2) // where we map hash to height
TipPrefix = append(HeadersPrefix, 0x3) // where we store the tip
)
func HeadersObjectKey(height uint64, hash *bbn.BTCHeaderHashBytes) []byte {
he := sdk.Uint64ToBigEndian(height)
hashBytes := hash.MustMarshal()
var prefix []byte
prefix = append(prefix, he...)
return append(prefix, hashBytes...)
}
func HeadersObjectHeightKey(hash *bbn.BTCHeaderHashBytes) []byte {
var prefix []byte
return append(prefix, hash.MustMarshal()...)
}
func HeadersObjectWorkKey(hash *bbn.BTCHeaderHashBytes) []byte {
var prefix []byte
return append(prefix, hash.MustMarshal()...)
}
func TipKey() []byte {
return TipPrefix
}
func KeyPrefix(p string) []byte {
return []byte(p)
}