Read most protocol params from common/params.json

* Add params package with exported variables generated from
  github.com/ethereum/common/blob/master/params.json
* Use params package variables in applicable places
* Add check for minimum gas limit in validation of block's gas limit
* Remove common/params.json from go-ethereum to avoid
  outdated version of it

1 files changed, 5 insertions, 2 deletions

diff --git a/generators/defaults.go b/generators/defaults.go
index b0c71111c..41d46729c 100644
--- a/generators/defaults.go
+++ b/generators/defaults.go
@@ -35,13 +35,16 @@ func main() {
 	m := make(map[string]setting)
 	json.Unmarshal(content, &m)
 
-	filepath := path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "core", os.Args[2])
+	filepath := path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "params", os.Args[2])
 	output, err := os.OpenFile(filepath, os.O_RDWR|os.O_CREATE, os.ModePerm /*0777*/)
 	if err != nil {
 		fatal("error opening file for writing %v\n", err)
 	}
 
-	output.WriteString(`package core
+	output.WriteString(`// DO NOT EDIT!!!
+// AUTOGENERATED FROM generators/defaults.go
+
+package params
 
 import "math/big"