1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213
|
/*
* Copyright 2018 ConsenSys AG.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package net.consensys.cava.rlp;
import static net.consensys.cava.bytes.Bytes.fromHexString;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import net.consensys.cava.bytes.Bytes;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;
class BytesRLPReaderTest {
private static final Bytes SHORT_LIST = fromHexString(
"f784617364668471776572847a78637684617364668471776572847a78637684617364668471776572847a78637684617364668471776572");
private static final Bytes LONG_LIST = fromHexString(
"f90200cf84617364668471776572847a786376cf84617364668471776572847a786376cf84617364668471776572847a786376cf8461736"
+ "4668471776572847a786376cf84617364668471776572847a786376cf84617364668471776572847a786376cf84617364668471776572"
+ "847a786376cf84617364668471776572847a786376cf84617364668471776572847a786376cf84617364668471776572847a786376cf8"
+ "4617364668471776572847a786376cf84617364668471776572847a786376cf84617364668471776572847a786376cf84617364668471"
+ "776572847a786376cf84617364668471776572847a786376cf84617364668471776572847a786376cf84617364668471776572847a786"
+ "376cf84617364668471776572847a786376cf84617364668471776572847a786376cf84617364668471776572847a786376cf84617364"
+ "668471776572847a786376cf84617364668471776572847a786376cf84617364668471776572847a786376cf846173646684717765728"
+ "47a786376cf84617364668471776572847a786376cf84617364668471776572847a786376cf84617364668471776572847a786376cf84"
+ "617364668471776572847a786376cf84617364668471776572847a786376cf84617364668471776572847a786376cf846173646684717"
+ "76572847a786376cf84617364668471776572847a786376");
private static class SomeObject {
private final String name;
private final int number;
private final BigInteger longNumber;
SomeObject(String name, int number, BigInteger longNumber) {
this.name = name;
this.number = number;
this.longNumber = longNumber;
}
}
@Test
void shouldParseFullObjects() {
Bytes bytes = fromHexString("83426f620486011F71B70768");
SomeObject readObject =
RLP.decode(bytes, reader -> new SomeObject(reader.readString(), reader.readInt(), reader.readBigInteger()));
assertEquals("Bob", readObject.name);
assertEquals(4, readObject.number);
assertEquals(BigInteger.valueOf(1234563434344L), readObject.longNumber);
}
@ParameterizedTest
@CsvSource({"80, 0", "01, 1", "10, 16", "4f, 79", "7f, 127", "8180, 128", "8203e8, 1000", "830186a0, 100000"})
void shouldReadIntegers(String hex, int value) {
assertTrue(RLP.<Boolean>decode(fromHexString(hex), reader -> {
assertEquals(value, reader.readInt());
return true;
}));
}
@ParameterizedTest
// @formatter:off
@CsvSource({
"80, ''",
"00, '\u0000'",
"01, '\u0001'",
"7f, '\u007F'",
"83646f67, dog",
"b74c6f72656d20697073756d20646f6c6f722073697420616d65742c20636f6e7365637465747572206164697069736963696e6720656c69" +
", 'Lorem ipsum dolor sit amet, consectetur adipisicing eli'",
"b8384c6f72656d20697073756d20646f6c6f722073697420616d65742c20636f6e7365637465747572206164697069736963696e6720656c6974" +
", 'Lorem ipsum dolor sit amet, consectetur adipisicing elit'",
"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" +
", 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur mauris magna, suscipit sed vehicula non, iaculis faucibus tortor. Proin suscipit ultricies malesuada. Duis tortor elit, dictum quis tristique eu, ultrices at risus. Morbi a est imperdiet mi ullamcorper aliquet suscipit nec lorem. Aenean quis leo mollis, vulputate elit varius, consequat enim. Nulla ultrices turpis justo, et posuere urna consectetur nec. Proin non convallis metus. Donec tempor ipsum in mauris congue sollicitudin. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Suspendisse convallis sem vel massa faucibus, eget lacinia lacus tempor. Nulla quis ultricies purus. Proin auctor rhoncus nibh condimentum mollis. Aliquam consequat enim at metus luctus, a eleifend purus egestas. Curabitur at nibh metus. Nam bibendum, neque at auctor tristique, lorem libero aliquet arcu, non interdum tellus lectus sit amet eros. Cras rhoncus, metus ac ornare cursus, dolor justo ultrices metus, at ullamcorper volutpat'"
})
// @formatter:on
void shouldReadStrings(String hex, String value) {
assertTrue(RLP.<Boolean>decode(fromHexString(hex), reader -> {
assertEquals(value, reader.readString());
return true;
}));
}
@Test
void shouldThrowWhenInputExhausted() {
EndOfRLPException ex = assertThrows(EndOfRLPException.class, () -> RLP.decode(Bytes.EMPTY, RLPReader::readInt));
assertEquals("End of RLP source reached", ex.getMessage());
}
@Test
void shouldThrowWhenNextItemIsAList() {
InvalidRLPTypeException ex =
assertThrows(InvalidRLPTypeException.class, () -> RLP.decode(SHORT_LIST, RLPReader::readInt));
assertEquals("Attempted to read a value but next item is a list", ex.getMessage());
}
@Test
void shouldThrowWheSourceIsTruncated() {
InvalidRLPEncodingException ex =
assertThrows(InvalidRLPEncodingException.class, () -> RLP.decode(fromHexString("830186"), RLPReader::readInt));
assertEquals("Insufficient bytes in RLP encoding: expected 3 but have only 2", ex.getMessage());
}
@Test
void shouldThrowWhenLowValueIsntEncodedToSingleByte() {
Bytes bytes1 = fromHexString("8128");
InvalidRLPEncodingException ex1 = assertThrows(InvalidRLPEncodingException.class, () -> RLP.decodeInt(bytes1));
assertEquals("Value should have been encoded as a single byte 0x28", ex1.getMessage());
assertEquals(40, RLP.decodeInt(bytes1, true));
Bytes bytes2 = fromHexString("b80128");
InvalidRLPEncodingException ex2 = assertThrows(InvalidRLPEncodingException.class, () -> RLP.decodeInt(bytes1));
assertEquals("Value should have been encoded as a single byte 0x28", ex2.getMessage());
assertEquals(40, RLP.decodeInt(bytes2, true));
}
@Test
void shouldThrowWhenValueLengthContainsLeadingZeros() {
Bytes bytes1 = fromHexString(
"b900384c6f72656d20697073756d20646f6c6f722073697420616d65742c20636f6e7365637465747572206164697069736963696e6720656c6974");
InvalidRLPEncodingException ex1 = assertThrows(InvalidRLPEncodingException.class, () -> RLP.decodeString(bytes1));
assertEquals("RLP value length contains leading zero bytes", ex1.getMessage());
assertEquals("Lorem ipsum dolor sit amet, consectetur adipisicing elit", RLP.decodeString(bytes1, true));
Bytes bytes2 = fromHexString("bb0000000028");
InvalidRLPEncodingException ex2 = assertThrows(InvalidRLPEncodingException.class, () -> RLP.decodeInt(bytes2));
assertEquals("RLP value length contains leading zero bytes", ex2.getMessage());
InvalidRLPEncodingException ex3 =
assertThrows(InvalidRLPEncodingException.class, () -> RLP.decodeInt(bytes2, true));
assertEquals("RLP value length is zero", ex3.getMessage());
Bytes bytes3 = fromHexString("bd00000000000128");
InvalidRLPEncodingException ex4 = assertThrows(InvalidRLPEncodingException.class, () -> RLP.decodeInt(bytes3));
assertEquals("RLP value length contains leading zero bytes", ex4.getMessage());
assertEquals(40, RLP.decodeInt(bytes3, true));
}
@Test
void shouldThrowWhenListLengthContainsLeadingZeros() {
Bytes bytes1 = fromHexString("0xF9000101");
InvalidRLPEncodingException ex1 =
assertThrows(InvalidRLPEncodingException.class, () -> RLP.decodeList(bytes1, RLPReader::readInt));
assertEquals("RLP list length contains leading zero bytes", ex1.getMessage());
assertEquals(Integer.valueOf(1), RLP.decodeList(bytes1, true, RLPReader::readInt));
Bytes bytes2 = fromHexString("0xF80101");
InvalidRLPEncodingException ex2 =
assertThrows(InvalidRLPEncodingException.class, () -> RLP.decodeList(bytes2, RLPReader::readInt));
assertEquals("RLP list length of 1 was not minimally encoded", ex2.getMessage());
assertEquals(Integer.valueOf(1), RLP.decodeList(bytes2, true, RLPReader::readInt));
}
@Test
void shouldThrowWhenLengthIsOversized() {
Bytes bytes1 = fromHexString("bc0aaaaaaaaa28");
InvalidRLPEncodingException ex1 = assertThrows(InvalidRLPEncodingException.class, () -> RLP.decodeInt(bytes1));
assertEquals("RLP value length is oversized", ex1.getMessage());
Bytes bytes2 = fromHexString("bb8000000128");
InvalidRLPEncodingException ex2 = assertThrows(InvalidRLPEncodingException.class, () -> RLP.decodeInt(bytes2));
assertEquals("RLP value length is oversized", ex2.getMessage());
}
@Test
void shouldReadShortList() {
List<String> expected =
Arrays.asList("asdf", "qwer", "zxcv", "asdf", "qwer", "zxcv", "asdf", "qwer", "zxcv", "asdf", "qwer");
List<Object> result = RLP.decodeToList(SHORT_LIST, (reader, list) -> {
assertEquals(11, reader.remaining());
for (int i = 10; i >= 0; --i) {
list.add(reader.readString());
}
});
assertEquals(expected, result);
}
@Test
void shouldReadLongList() {
List<List<String>> expected =
Stream.generate(() -> Arrays.asList("asdf", "qwer", "zxcv")).limit(31).collect(Collectors.toList());
List<Object> result = RLP.decodeToList(LONG_LIST, (reader, list) -> {
for (int i = 30; i >= 0; --i) {
list.add(reader.readList((subReader, subList) -> {
subList.add(subReader.readString());
subList.add(subReader.readString());
subList.add(subReader.readString());
}));
}
});
assertEquals(expected, result);
}
}
|