Drupal Commerce: Price Product Based on Product Type

gistfile1.php

{ "rules_price_square_widgets" : {
    "LABEL" : "Set price of square widgets",
    "PLUGIN" : "reaction rule",
    "OWNER" : "rules",
    "REQUIRES" : [ "rules", "commerce_line_item", "commerce_product_reference" ],
    "ON" : { "commerce_product_calculate_sell_price" : [] },
    "IF" : [
      { "entity_has_field" : { "entity" : [ "commerce-line-item" ], "field" : "commerce_product" } },
      { "data_is" : {
          "data" : [ "commerce-line-item:commerce-product:type" ],
          "value" : "square_widgets"
        }
      }
    ],
    "DO" : [
      { "commerce_line_item_unit_price_amount" : {
          "commerce_line_item" : [ "commerce_line_item" ],
          "amount" : "1000",
          "component_name" : "base_price",
          "round_mode" : "1"
        }
      }
    ]
  }
}