forked from cerc-io/plugeth
core/vm, params: EIP160: EXP reprice
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445feaeef5
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779ddb1832
@ -313,7 +313,8 @@ func calculateGasAndSize(gasTable params.GasTable, env Environment, contract *Co
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quadMemGas(mem, newMemSize, gas)
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case EXP:
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gas.Add(gas, new(big.Int).Mul(big.NewInt(int64(len(stack.data[stack.len()-2].Bytes()))), params.ExpByteGas))
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expByteLen := int64((stack.data[stack.len()-2].BitLen() + 7) / 8)
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gas.Add(gas, new(big.Int).Mul(big.NewInt(expByteLen), gasTable.ExpByte))
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case SSTORE:
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err := stack.require(2)
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if err != nil {
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@ -26,9 +26,7 @@ type GasTable struct {
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Calls *big.Int
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Suicide *big.Int
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Exp *big.Int
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ExpOneByte *big.Int
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Exp256 *big.Int
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ExpByte *big.Int
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// CreateBySuicide occurs when the
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// refunded account is one that does
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@ -48,7 +46,7 @@ var (
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SLoad: big.NewInt(50),
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Calls: big.NewInt(40),
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Suicide: big.NewInt(0),
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Exp: big.NewInt(20),
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ExpByte: big.NewInt(10),
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// explicitly set to nil to indicate
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// this rule does not apply to homestead.
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@ -66,7 +64,7 @@ var (
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SLoad: big.NewInt(200),
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Calls: big.NewInt(700),
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Suicide: big.NewInt(5000),
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Exp: big.NewInt(20),
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ExpByte: big.NewInt(10),
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CreateBySuicide: big.NewInt(25000),
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}
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@ -78,9 +76,7 @@ var (
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SLoad: big.NewInt(200),
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Calls: big.NewInt(700),
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Suicide: big.NewInt(5000),
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Exp: big.NewInt(80),
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ExpOneByte: big.NewInt(160),
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Exp256: big.NewInt(2640),
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ExpByte: big.NewInt(50),
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CreateBySuicide: big.NewInt(25000),
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}
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