Added the "Description" field to the genesis block & chainparams

blockchain.go

@@ -47,7 +47,7 @@ var blockchainSubdirectory string
  * CreatorPublicKey|1:a3c07ef6cbee246f231a61ff36bbcd8e8563723e3703eb345ecdd933d7709ae2
  * Version|1
  *
- * Of these, only the Creator field is optional. By default, for new block, it is taken
+ * Of these, only the Creator field is optional. By default, for new blocks, it is taken
  * from the "BlockCreator" field in the pubkey metadata (if it exists).
  */
 

chainparams.example.json

@@ -1,5 +1,6 @@
 {
     "creator": "Ivan Voras <ivoras@gmail.com>",
     "genesis_block_timestamp": "2018-08-16T12:49:32+02:00",
-    "bootstrap_peers": [ "cosmos.ivoras.net:2017" ]
-}
+    "bootstrap_peers": [ "cosmos.ivoras.net:2017" ],
+    "description": "The Mighty Blockchain"
+}

chainparams.go

@@ -16,4 +16,7 @@ type ChainParams struct {
 
 	// List of host:port string specifying default peers for this blockchain. If empty, the defaults are used.
 	BootstrapPeers []string `json:"bootstrap_peers"`
+
+	// Description of the blockchain (e.g. its purpose)
+	Description string `json:"description"`
 }

cliactions.go

@@ -282,6 +282,10 @@ func actionNewChain(jsonFilename string) {
 	if err != nil {
 		log.Fatal(err)
 	}
+	err = dbSetMetaString(db, "Description", ncp.Description)
+	if err != nil {
+		log.Fatal(err)
+	}
 
 	if len(ncp.BootstrapPeers) > 0 {
 		// bootstrapPeers is required to be filled in before dbInit()