feature/1214 session fetch refactor (#1215)

* chore(docs): remove token economy guide

* refactor(context): update GatewayContext to use Querier interface

* chore(database): update schema path

* docs: Update READMEs for x/did, x/dwn, and x/svc with UCAN integration

* chore(pkg): update database scope name

* refactor(did): optimize GenesisState proto methods

* refactor(svc): update Service proto to use repeated fields

* refactor(api): rename MsgSpawn to MsgInitialize

x/svc/keeper/query_server.go

@@ -28,3 +28,17 @@ func (k Querier) Params(c context.Context, req *types.QueryParamsRequest) (*type
 
 	return &types.QueryParamsResponse{Params: &p}, nil
 }
+
+// OriginExists implements types.QueryServer.
+func (k Querier) OriginExists(goCtx context.Context, req *types.QueryOriginExistsRequest) (*types.QueryOriginExistsResponse, error) {
+	// ctx := sdk.UnwrapSDKContext(goCtx)
+	panic("OriginExists is unimplemented")
+	return &types.QueryOriginExistsResponse{}, nil
+}
+
+// ResolveOrigin implements types.QueryServer.
+func (k Querier) ResolveOrigin(goCtx context.Context, req *types.QueryResolveOriginRequest) (*types.QueryResolveOriginResponse, error) {
+	// ctx := sdk.UnwrapSDKContext(goCtx)
+	panic("ResolveOrigin is unimplemented")
+	return &types.QueryResolveOriginResponse{}, nil
+}