update gas usage for hooks

Author: laurci

config/config.toml

@@ -153,6 +153,7 @@
     BigFloatAbs = 10
     BigFloatSqrt = 10
     BigFloatPow = 10
+    BigFloatPowPerIteration = 10
     BigFloatFloor = 10
     BigFloatCeil = 10
     BigFloatIsInt = 10

config/gasCost.go

@@ -157,24 +157,25 @@ type BigIntAPICost struct {
 
 // BigFloatAPICost defines the big float operations gas cost config structure
 type BigFloatAPICost struct {
-	BigFloatNewFromParts uint64
-	BigFloatAdd          uint64
-	BigFloatSub          uint64
-	BigFloatMul          uint64
-	BigFloatDiv          uint64
-	BigFloatTruncate     uint64
-	BigFloatNeg          uint64
-	BigFloatClone        uint64
-	BigFloatCmp          uint64
-	BigFloatAbs          uint64
-	BigFloatSqrt         uint64
-	BigFloatPow          uint64
-	BigFloatFloor        uint64
-	BigFloatCeil         uint64
-	BigFloatIsInt        uint64
-	BigFloatSetBigInt    uint64
-	BigFloatSetInt64     uint64
-	BigFloatGetConst     uint64
+	BigFloatNewFromParts    uint64
+	BigFloatAdd             uint64
+	BigFloatSub             uint64
+	BigFloatMul             uint64
+	BigFloatDiv             uint64
+	BigFloatTruncate        uint64
+	BigFloatNeg             uint64
+	BigFloatClone           uint64
+	BigFloatCmp             uint64
+	BigFloatAbs             uint64
+	BigFloatSqrt            uint64
+	BigFloatPow             uint64
+	BigFloatPowPerIteration uint64
+	BigFloatFloor           uint64
+	BigFloatCeil            uint64
+	BigFloatIsInt           uint64
+	BigFloatSetBigInt       uint64
+	BigFloatSetInt64        uint64
+	BigFloatGetConst        uint64
 }
 
 // CryptoAPICost defines the crypto operations gas cost config structure

config/gasSchedule.go

@@ -431,6 +431,7 @@ func FillGasMapBigFloatAPICosts(value uint64) map[string]uint64 {
 	gasMap["BigFloatAbs"] = value
 	gasMap["BigFloatSqrt"] = value
 	gasMap["BigFloatPow"] = value
+	gasMap["BigFloatPowPerIteration"] = value
 	gasMap["BigFloatFloor"] = value
 	gasMap["BigFloatCeil"] = value
 	gasMap["BigFloatIsInt"] = value

scenario/gasSchedules/gasScheduleEmbedGenerated.go

@@ -209,6 +209,7 @@
     BigFloatAbs = 5000
     BigFloatSqrt = 7000
     BigFloatPow = 10000
+    BigFloatPowPerIteration = 10000
     BigFloatFloor = 5000
     BigFloatCeil = 5000
     BigFloatIsInt = 3000

scenario/gasSchedules/gasScheduleV3.toml

@@ -211,6 +211,7 @@
     BigFloatAbs = 5000
     BigFloatSqrt = 7000
     BigFloatPow = 10000
+    BigFloatPowPerIteration = 10000
     BigFloatFloor = 5000
     BigFloatCeil = 5000
     BigFloatIsInt = 3000

scenario/gasSchedules/gasScheduleV4.toml

@@ -481,8 +481,13 @@ func (context *VMHooksImpl) BigFloatPow(destinationHandle, opHandle, exponent in
 	managedType := context.GetManagedTypesContext()
 	metering := context.GetMeteringContext()
 	metering.StartGasTracing(bigFloatPowName)
+	enableEpochsHandler := context.GetEnableEpochsHandler()
 
 	gasToUse := metering.GasSchedule().BigFloatAPICost.BigFloatPow
+	if enableEpochsHandler.IsFlagEnabled(vmhost.BarnardOpcodesFlag) {
+		gasToUse += vmMath.MulUint64(metering.GasSchedule().BigFloatAPICost.BigFloatPowPerIteration, uint64(exponent))
+	}
+
 	err := metering.UseGasBounded(gasToUse)
 	if err != nil {
 		context.FailExecution(err)