Merge branch 'change_network_difficulty' into 'dev'

Change network difficulty

See merge request !113

src/consensus/pob/miner.rs

@@ -185,6 +185,11 @@ where
         } else {
             parent_block_header.difficulty
         };
+        let network_difficulty = if network_difficulty.eq(&U256::ZERO) {
+            U256::ONE
+        } else {
+            network_difficulty
+        };
         let mut vdf_difficulty = prepare_work(
             parent_block_header.parent_hash,
             miner_behavior.behavior.clone(),

src/res/chainspec/local-demo-docker.ron

@@ -48,7 +48,7 @@
         gas_limit: 5000,
         seal: Pob(
             vanity: "0x5365706f6c69612c20417468656e732c204174746963612c2047726565636521",
-            difficulty: "0x64",
+            difficulty: "0xA",
             nonce: "0x0000000000000000",
             output: "0x0000000000000000000000000000000000000000000000000000000000000000",
         ),