feature/migrate models (#16)

* feat: add new supported attestation formats to genesis

* feat: refactor keyType to keytype enum

* refactor: remove unused imports and code

* refactor: update main.go to use src package

* refactor: move web-related structs from  to

* refactor: move client middleware package to root

* refactor: remove unused IndexedDB dependency

* feat: update worker implementation to use

* feat: add Caddyfile and Caddy configuration for vault service

* refactor(config): move keyshare and address to Motr config

* fix: validate service origin in AllocateVault

* chore: remove IndexedDB configuration

* feat: add support for IPNS-based vault access

x/did/keeper/keeper.go

@@ -92,26 +92,6 @@ func NewKeeper(
 	return k
 }
 
-// VerifyMinimumStake checks if a validator has a minimum stake
-func (k Keeper) VerifyMinimumStake(ctx sdk.Context, addr string) bool {
-	address, err := sdk.AccAddressFromBech32(addr)
-	if err != nil {
-		return false
-	}
-	addval, err := sdk.ValAddressFromBech32(addr)
-	if err != nil {
-		return false
-	}
-	del, err := k.StakingKeeper.GetDelegation(ctx, address, addval)
-	if err != nil {
-		return false
-	}
-	if del.Shares.IsZero() {
-		return false
-	}
-	return del.Shares.IsPositive()
-}
-
 // VerifyServicePermissions checks if a service has permission
 func (k Keeper) VerifyServicePermissions(
 	ctx sdk.Context,