Coverage Summary for Class: GetMinimumGasPrice (co.rsk.pcc.blockheader)
Class |
Class, %
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Method, %
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Line, %
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GetMinimumGasPrice |
0%
(0/1)
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0%
(0/3)
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0%
(0/7)
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1 /*
2 * This file is part of RskJ
3 * Copyright (C) 2019 RSK Labs Ltd.
4 * (derived from ethereumJ library, Copyright (c) 2016 <ether.camp>)
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 package co.rsk.pcc.blockheader;
21
22 import co.rsk.core.Coin;
23 import co.rsk.pcc.ExecutionEnvironment;
24 import org.ethereum.core.Block;
25 import org.ethereum.core.CallTransaction;
26 import org.ethereum.util.ByteUtil;
27
28 /**
29 * This implements the "getMinGasPrice" method
30 * that belongs to the BlockHeaderContract native contract.
31 *
32 * @author Diego Masini
33 */
34 public class GetMinimumGasPrice extends BlockHeaderContractMethod {
35 private final CallTransaction.Function function = CallTransaction.Function.fromSignature(
36 "getMinGasPrice",
37 new String[]{"int256"},
38 new String[]{"bytes"}
39 );
40
41 public GetMinimumGasPrice(ExecutionEnvironment executionEnvironment, BlockAccessor blockAccessor) {
42 super(executionEnvironment, blockAccessor);
43 }
44
45 @Override
46 public CallTransaction.Function getFunction() {
47 return function;
48 }
49
50 @Override
51 protected Object internalExecute(Block block, Object[] arguments) {
52 Coin minGasPrice = block.getMinimumGasPrice();
53 if (minGasPrice == null) {
54 return ByteUtil.EMPTY_BYTE_ARRAY;
55 }
56
57 return minGasPrice.getBytes();
58 }
59 }