evm: Tune gas fee

Author: kvinwang

standalone/node/src/chain_spec.rs

@@ -522,10 +522,7 @@ pub fn testnet_genesis(
             min_join_bond: DOLLARS,
             ..Default::default()
         },
-        base_fee: {
-            let todo = "tune the values";
-            BaseFeeConfig::new(0x666666.into(), Permill::from_percent(0))
-        },
+        base_fee: BaseFeeConfig::new(100_000_000_000_u64.into(), Permill::zero()),
         dynamic_fee: DynamicFeeConfig::default(),
         ethereum: Default::default(),
         evm: Default::default(),

standalone/runtime/src/lib.rs

@@ -1696,8 +1696,8 @@ impl pallet_dynamic_fee::Config for Runtime {
 }
 
 parameter_types! {
-    pub DefaultBaseFeePerGas: U256 = U256::from(1_000_000_000);
-    pub DefaultElasticity: Permill = Permill::from_parts(125_000);
+    pub DefaultBaseFeePerGas: U256 = 100_000_000_000_u64.into();
+    pub DefaultElasticity: Permill = Permill::zero();
 }
 
 pub struct BaseFeeThreshold;