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luleigreatluleigreat
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add abi_Chainsql project
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‎abi_chainsql/.classpath‎

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" output="target/classes" path="src/main/java">
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<attributes>
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<attribute name="optional" value="true"/>
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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="src" output="target/test-classes" path="src/test/java">
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<attributes>
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<attribute name="optional" value="true"/>
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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
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<attributes>
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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
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<attributes>
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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="output" path="target/classes"/>
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</classpath>

‎abi_chainsql/.project‎

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>abi_chainsql</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.m2e.core.maven2Builder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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<nature>org.eclipse.m2e.core.maven2Nature</nature>
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</natures>
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</projectDescription>

‎abi_chainsql/.settings/org.eclipse.core.resources.prefs‎

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eclipse.preferences.version=1
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encoding//src/main/java=UTF-8
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encoding//src/test/java=UTF-8
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encoding/<project>=UTF-8

‎abi_chainsql/.settings/org.eclipse.jdt.core.prefs‎

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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
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org.eclipse.jdt.core.compiler.compliance=1.8
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org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
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org.eclipse.jdt.core.compiler.source=1.8

‎abi_chainsql/.settings/org.eclipse.m2e.core.prefs‎

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activeProfiles=
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eclipse.preferences.version=1
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resolveWorkspaceProjects=true
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version=1

‎abi_chainsql/pom.xml‎

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<?xml version="1.0"?>
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<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>com.peersafe</groupId>
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<artifactId>chainsql-java-api</artifactId>
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<version>1.4.4</version>
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</parent>
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<groupId>com.peersafe</groupId>
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<artifactId>abi_chainsql</artifactId>
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<version>1.4.4</version>
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<name>abi_chainsql</name>
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<url>http://maven.apache.org</url>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.bouncycastle</groupId>
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<artifactId>bcprov-jdk15on</artifactId>
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<version>1.56</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.11</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-core</artifactId>
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<version>1.3</version>
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<scope>test</scope>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.hamcrest/hamcrest-core -->
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<dependency>
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<groupId>org.hamcrest</groupId>
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<artifactId>hamcrest-core</artifactId>
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<version>1.3</version>
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<scope>test</scope>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.objenesis/objenesis -->
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<dependency>
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<groupId>org.objenesis</groupId>
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<artifactId>objenesis</artifactId>
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<version>2.1</version>
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<scope>test</scope>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.web3j/utils -->
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<dependency>
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<groupId>org.web3j</groupId>
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<artifactId>utils</artifactId>
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<version>3.4.0</version>
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</dependency>
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</dependencies>
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<profiles>
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<profile>
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<id>release</id>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.2</version>
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<configuration>
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<source>1.8</source>
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<target>1.8</target>
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</configuration>
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</plugin>
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<!-- Source -->
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-source-plugin</artifactId>
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<version>2.2.1</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>jar-no-fork</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<!-- Javadoc -->
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-javadoc-plugin</artifactId>
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<version>2.9.1</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>jar</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<!-- GPG -->
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-gpg-plugin</artifactId>
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<version>1.6</version>
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<executions>
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<execution>
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<phase>verify</phase>
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<goals>
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<goal>sign</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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<distributionManagement>
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<snapshotRepository>
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<id>oss</id>
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<url>https://oss.sonatype.org/content/repositories/snapshots/</url>
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</snapshotRepository>
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<repository>
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<id>oss</id>
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<url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
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</repository>
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</distributionManagement>
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</profile>
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</profiles>
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</project>

‎abi_chainsql/src/main/java/com/peersafe/abi/EventEncoder.java‎

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package com.peersafe.abi;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.stream.Collectors;
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import com.peersafe.abi.datatypes.Event;
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import com.peersafe.abi.datatypes.Type;
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import org.web3j.crypto.Hash;
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import org.web3j.utils.Numeric;
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/**
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* <p>Ethereum filter encoding.
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* Further limited details are available
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* <a href="https://github.com/ethereum/wiki/wiki/Ethereum-Contract-ABI#events">here</a>.
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* </p>
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*/
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public class EventEncoder {
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private EventEncoder() { }
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public static String encode(Event function) {
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List<TypeReference<Type>> indexedParameters = function.getIndexedParameters();
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List<TypeReference<Type>> nonIndexedParameters = function.getNonIndexedParameters();
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String methodSignature = buildMethodSignature(function.getName(),
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indexedParameters, nonIndexedParameters);
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return buildEventSignature(methodSignature);
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}
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static <T extends Type> String buildMethodSignature(
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String methodName, List<TypeReference<T>> indexParameters,
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List<TypeReference<T>> nonIndexedParameters) {
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List<TypeReference<T>> parameters = new ArrayList<>(indexParameters);
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parameters.addAll(nonIndexedParameters);
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StringBuilder result = new StringBuilder();
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result.append(methodName);
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result.append("(");
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String params = parameters.stream()
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.map(p -> Utils.getTypeName(p))
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.collect(Collectors.joining(","));
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result.append(params);
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result.append(")");
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return result.toString();
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}
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public static String buildEventSignature(String methodSignature) {
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byte[] input = methodSignature.getBytes();
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byte[] hash = Hash.sha3(input);
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return Numeric.toHexString(hash);
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}
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}

‎abi_chainsql/src/main/java/com/peersafe/abi/EventValues.java‎

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package com.peersafe.abi;
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import java.util.List;
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import com.peersafe.abi.datatypes.Type;
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/**
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* Persisted solidity event parameters.
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*/
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public class EventValues {
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private final List<Type> indexedValues;
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private final List<Type> nonIndexedValues;
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public EventValues(List<Type> indexedValues, List<Type> nonIndexedValues) {
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this.indexedValues = indexedValues;
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this.nonIndexedValues = nonIndexedValues;
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}
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public List<Type> getIndexedValues() {
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return indexedValues;
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}
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public List<Type> getNonIndexedValues() {
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return nonIndexedValues;
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}
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}

‎abi_chainsql/src/main/java/com/peersafe/abi/FunctionEncoder.java‎

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package com.peersafe.abi;
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import java.math.BigInteger;
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import java.util.List;
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import java.util.stream.Collectors;
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import com.peersafe.abi.datatypes.Function;
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import com.peersafe.abi.datatypes.StaticArray;
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import com.peersafe.abi.datatypes.Type;
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import com.peersafe.abi.datatypes.Uint;
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import org.web3j.crypto.Hash;
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import org.web3j.utils.Numeric;
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/**
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* <p>Ethereum Contract Application Binary Interface (ABI) encoding for functions.
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* Further details are available
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* <a href="https://github.com/ethereum/wiki/wiki/Ethereum-Contract-ABI">here</a>.
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* </p>
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*/
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public class FunctionEncoder {
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private FunctionEncoder() { }
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public static String encode(Function function) {
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List<Type> parameters = function.getInputParameters();
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String methodSignature = buildMethodSignature(function.getName(), parameters);
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String methodId = buildMethodId(methodSignature);
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StringBuilder result = new StringBuilder();
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result.append(methodId);
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return encodeParameters(parameters, result);
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}
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public static String encodeConstructor(List<Type> parameters) {
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return encodeParameters(parameters, new StringBuilder());
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}
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private static String encodeParameters(List<Type> parameters, StringBuilder result) {
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int dynamicDataOffset = getLength(parameters) * Type.MAX_BYTE_LENGTH;
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StringBuilder dynamicData = new StringBuilder();
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for (Type parameter:parameters) {
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String encodedValue = TypeEncoder.encode(parameter);
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if (TypeEncoder.isDynamic(parameter)) {
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String encodedDataOffset = TypeEncoder.encodeNumeric(
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new Uint(BigInteger.valueOf(dynamicDataOffset)));
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result.append(encodedDataOffset);
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dynamicData.append(encodedValue);
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dynamicDataOffset += encodedValue.length() >> 1;
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} else {
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result.append(encodedValue);
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}
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}
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result.append(dynamicData);
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return result.toString();
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}
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private static int getLength(List<Type> parameters) {
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int count = 0;
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for (Type type:parameters) {
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if (type instanceof StaticArray) {
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count += ((StaticArray) type).getValue().size();
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} else {
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count++;
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}
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}
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return count;
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}
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static String buildMethodSignature(String methodName, List<Type> parameters) {
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StringBuilder result = new StringBuilder();
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result.append(methodName);
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result.append("(");
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String params = parameters.stream()
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.map(Type::getTypeAsString)
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.collect(Collectors.joining(","));
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result.append(params);
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result.append(")");
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return result.toString();
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}
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static String buildMethodId(String methodSignature) {
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byte[] input = methodSignature.getBytes();
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byte[] hash = Hash.sha3(input);
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return Numeric.toHexString(hash).substring(0, 10);
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}
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}

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