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zone.go
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zone.go
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package keeper
import (
"fmt"
transfertypes "github.com/cosmos/ibc-go/v3/modules/apps/transfer/types"
"github.com/Carina-labs/nova/x/icacontrol/types"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
icatypes "github.com/cosmos/ibc-go/v3/modules/apps/27-interchain-accounts/types"
)
// RegisterZone stores metadata for the new zone.
func (k Keeper) RegisterZone(ctx sdk.Context, zone *types.RegisteredZone) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefixZone)
bz := k.cdc.MustMarshal(zone)
store.Set([]byte(zone.ZoneId), bz)
}
// GetRegisteredZone gets information about the stored zone that fits the zoneId.
func (k Keeper) GetRegisteredZone(ctx sdk.Context, zoneId string) (types.RegisteredZone, bool) {
zone := types.RegisteredZone{}
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefixZone)
bz := store.Get([]byte(zoneId))
if len(bz) == 0 {
return zone, false
}
k.cdc.MustUnmarshal(bz, &zone)
return zone, true
}
// DeleteRegisteredZone deletes zone information corresponding to zoneId.
func (k Keeper) DeleteRegisteredZone(ctx sdk.Context, zoneId string) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefixZone)
ctx.Logger().Error(fmt.Sprintf("Removing chain: %s", zoneId))
store.Delete([]byte(zoneId))
}
// IterateRegisteredZones navigates all registered zones.
func (k Keeper) IterateRegisteredZones(ctx sdk.Context, fn func(index int64, zoneInfo types.RegisteredZone) (stop bool)) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefixZone)
iterator := sdk.KVStorePrefixIterator(store, nil)
defer func(iterator sdk.Iterator) {
err := iterator.Close()
if err != nil {
ctx.Logger().Error(fmt.Sprintf("unexpected iterator closed: %s", err))
return
}
}(iterator)
i := int64(0)
for ; iterator.Valid(); iterator.Next() {
zone := types.RegisteredZone{}
k.cdc.MustUnmarshal(iterator.Value(), &zone)
stop := fn(i, zone)
if stop {
break
}
i++
}
}
// GetRegisteredZoneForValidatorAddr returns information about the correct zone using the validator address of the counterparty chain.
func (k Keeper) GetRegisteredZoneForValidatorAddr(ctx sdk.Context, validatorAddr string) *types.RegisteredZone {
var zone *types.RegisteredZone
k.IterateRegisteredZones(ctx, func(_ int64, zoneInfo types.RegisteredZone) (stop bool) {
if zoneInfo.ValidatorAddress == validatorAddr {
zone = &zoneInfo
return true
}
return false
})
return zone
}
// GetZoneForDenom returns information about the zone that matches denom.
func (k Keeper) GetZoneForDenom(ctx sdk.Context, denom string) *types.RegisteredZone {
var zone *types.RegisteredZone
k.IterateRegisteredZones(ctx, func(_ int64, zoneInfo types.RegisteredZone) (stop bool) {
if zoneInfo.BaseDenom == denom {
zone = &zoneInfo
return true
}
return false
})
return zone
}
// GetRegisterZoneForPortId returns the appropriate Zone information for portid.
func (k Keeper) GetRegisterZoneForPortId(ctx sdk.Context, portId string) (*types.RegisteredZone, bool) {
var zone *types.RegisteredZone
ok := false
k.IterateRegisteredZones(ctx, func(_ int64, zoneInfo types.RegisteredZone) (stop bool) {
if icatypes.PortPrefix+zoneInfo.IcaConnectionInfo.PortId == portId {
zone = &zoneInfo
ok = true
return true
}
return false
})
return zone, ok
}
// GetRegisterZoneForHostAddr returns the appropriate Zone information for host address.
func (k Keeper) GetRegisterZoneForHostAddr(ctx sdk.Context, hostAddr string) (*types.RegisteredZone, bool) {
var zone *types.RegisteredZone
ok := false
k.IterateRegisteredZones(ctx, func(_ int64, zoneInfo types.RegisteredZone) (stop bool) {
if zoneInfo.IcaAccount.HostAddress == hostAddr {
zone = &zoneInfo
ok = true
return true
}
return false
})
return zone, ok
}
// GetsnDenomForBaseDenom returns an appropriate pair of sn-asset denom for BaseDenom.
func (k Keeper) GetsnDenomForBaseDenom(ctx sdk.Context, baseDenom string) string {
var snDenom string
k.IterateRegisteredZones(ctx, func(_ int64, zoneInfo types.RegisteredZone) (stop bool) {
if zoneInfo.BaseDenom == baseDenom {
snDenom = zoneInfo.SnDenom
return true
}
return false
})
return snDenom
}
// GetBaseDenomForSnDenom returns an appropriate pair of BaseDenom for snDenom.
func (k Keeper) GetBaseDenomForSnDenom(ctx sdk.Context, snDenom string) string {
var baseDenom string
k.IterateRegisteredZones(ctx, func(_ int64, zoneInfo types.RegisteredZone) (stop bool) {
if zoneInfo.SnDenom == snDenom {
baseDenom = zoneInfo.BaseDenom
return true
}
return false
})
return baseDenom
}
func (k Keeper) DenomDuplicateCheck(ctx sdk.Context, baseDenom string) string {
var zoneId string
k.IterateRegisteredZones(ctx, func(_ int64, zoneInfo types.RegisteredZone) (stop bool) {
if zoneInfo.BaseDenom == baseDenom {
zoneId = zoneInfo.ZoneId
return true
}
return false
})
return zoneId
}
// GetIBCHashDenom uses baseDenom and portId and channelId to create the appropriate IBCdenom.
func (k Keeper) GetIBCHashDenom(portId, chanId, baseDenom string) string {
var path string
if portId == "" || chanId == "" {
path = ""
} else {
path = portId + "/" + chanId
}
denomTrace := transfertypes.DenomTrace{
Path: path,
BaseDenom: baseDenom,
}
denomHash := denomTrace.IBCDenom()
return denomHash
}