cmd, core, eth, miner, params: configurable gas floor and ceil

params/denomination.go

@@ -17,18 +17,12 @@
 package params
 
 // These are the multipliers for ether denominations.
-// Example: To get the wei value of an amount in 'douglas', use
+// Example: To get the wei value of an amount in 'gwei', use
 //
-//    new(big.Int).Mul(value, big.NewInt(params.Douglas))
+//    new(big.Int).Mul(value, big.NewInt(params.GWei))
 //
 const (
-	Wei      = 1
-	Ada      = 1e3
-	Babbage  = 1e6
-	Shannon  = 1e9
-	Szabo    = 1e12
-	Finney   = 1e15
-	Ether    = 1e18
-	Einstein = 1e21
-	Douglas  = 1e42
+	Wei   = 1
+	GWei  = 1e9
+	Ether = 1e18
 )

params/protocol_params.go

@@ -18,10 +18,6 @@ package params
 
 import "math/big"
 
-var (
-	TargetGasLimit = GenesisGasLimit // The artificial target
-)
-
 const (
 	GasLimitBoundDivisor uint64 = 1024    // The bound divisor of the gas limit, used in update calculations.
 	MinGasLimit          uint64 = 5000    // Minimum the gas limit may ever be.