/
keeper.go
50 lines (40 loc) · 1.7 KB
/
keeper.go
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package keeper
import (
"github.com/cosmos/cosmos-sdk/codec"
storeprefix "github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
commitmenttypes "github.com/cosmos/ibc-go/modules/core/23-commitment/types"
"github.com/cosmos/ibc-go/modules/core/exported"
"github.com/datachainlab/ibc-proxy/modules/proxy/types"
)
type Keeper struct {
proxyStoreKey sdk.StoreKey
ibcStoreKey sdk.StoreKey
cdc codec.BinaryCodec
clientKeeper types.ClientKeeper
}
func NewKeeper(cdc codec.BinaryCodec, proxyStoreKey, ibcStoreKey sdk.StoreKey, clientKeeper types.ClientKeeper) Keeper {
return Keeper{
proxyStoreKey: proxyStoreKey,
ibcStoreKey: ibcStoreKey,
cdc: cdc,
clientKeeper: clientKeeper,
}
}
// GetCommitmentPrefix returns the IBC connection store prefix as a commitment
// Prefix
func (k Keeper) GetProxyCommitmentPrefix() exported.Prefix {
prefix := commitmenttypes.NewMerklePrefix([]byte(k.proxyStoreKey.Name()))
return &prefix
}
func (k Keeper) GetIBCCommitmentPrefix() exported.Prefix {
prefix := commitmenttypes.NewMerklePrefix([]byte(k.ibcStoreKey.Name()))
return &prefix
}
func (k Keeper) ProxyStore(ctx sdk.Context, upstreamPrefix exported.Prefix, upstreamClientID string) sdk.KVStore {
return storeprefix.NewStore(ctx.KVStore(k.proxyStoreKey), append([]byte(upstreamClientID+"/"), string(upstreamPrefix.Bytes())+"/"...))
}
func (k Keeper) ProxyClientStore(ctx sdk.Context, upstreamPrefix exported.Prefix, upstreamClientID string, counterpartyClientIdentifier string) sdk.KVStore {
clientPrefix := append([]byte("clients/"+counterpartyClientIdentifier), '/')
return storeprefix.NewStore(k.ProxyStore(ctx, upstreamPrefix, upstreamClientID), clientPrefix)
}