feat: add ics20-irc2 support (#852)

contracts/javascore/ics20/build.gradle

@@ -0,0 +1,85 @@
+version = '0.1.0'
+
+dependencies {
+    implementation project(':lib')
+    implementation project(':score-util')
+    implementation project(':proto-lib')
+    implementation "com.github.sink772:minimal-json:0.9.6"
+    testImplementation project(':test-lib')
+}
+
+
+test {
+    useJUnitPlatform()
+    finalizedBy jacocoTestReport
+}
+
+jacocoTestReport {
+    dependsOn test
+    reports {
+        xml.required = true
+        csv.required = false
+        html.outputLocation = layout.buildDirectory.dir('jacocoHtml')
+    }
+}
+
+optimizedJar {
+    dependsOn(project(':lib').jar)
+    dependsOn(project(':score-util').jar)
+    dependsOn(project(':proto-lib').jar)
+    mainClassName = 'ibc.ics20.ICS20Transfer'
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+    from {
+        configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) }
+    }
+}
+
+deployJar {
+    endpoints {
+        berlin {
+            uri = 'https://berlin.net.solidwallet.io/api/v3'
+            nid = 0x7
+        }
+        lisbon {
+            uri = 'https://lisbon.net.solidwallet.io/api/v3'
+            nid = 0x2
+        }
+        local {
+            uri = 'http://localhost:9082/api/v3'
+            nid = 0x3
+        }
+        uat {
+            uri = project.findProperty('uat.host') as String
+            nid = property('uat.nid') as Integer
+            to = "$xCallConnection"?:null
+        }
+    }
+    keystore = rootProject.hasProperty('keystoreName') ? "$keystoreName" : ''
+    password = rootProject.hasProperty('keystorePass') ? "$keystorePass" : ''
+    parameters {
+        arg('_ibcHandler', "$ibcCore")
+        arg('_serializeIrc2', "")
+    }
+}
+
+task integrationTest(type: Test) {
+    useJUnitPlatform()
+
+    rootProject.allprojects {
+        if (it.getTasks().findByName('optimizedJar')) {
+            dependsOn(it.getTasks().getByName('optimizedJar'))
+        }
+    }
+
+    options {
+        testLogging.showStandardStreams = true
+        description = 'Runs integration tests.'
+        group = 'verification'
+
+        testClassesDirs = sourceSets.intTest.output.classesDirs
+        classpath = sourceSets.intTest.runtimeClasspath
+
+        systemProperty "java", optimizedJar.outputJarName
+    }
+
+}