commit 764baf371da1ba8b19c9a0bf5e9b46e0ec3484cf Author: Erik C. Thauvin Date: Sat May 8 01:35:55 2021 -0700 Initial commit. diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..6ec2ae2 --- /dev/null +++ b/.gitattributes @@ -0,0 +1,5 @@ +# Set the default behavior, in case people don't have core.autocrlf set. +* text=auto + +# batch files are specific to windows and always crlf +*.bat eol=crlf diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..a602396 --- /dev/null +++ b/.gitignore @@ -0,0 +1,84 @@ +!.vscode/extensions.json +!.vscode/launch.json +!.vscode/settings.json +!.vscode/tasks.json +*.class +*.code-workspace +*.ctxt +*.iws +*.log +*.nar +*.rar +*.sublime-* +*.tar.gz +*.zip +.DS_Store +.classpath +.gradle +.history +.kobalt +.mtj.tmp/ +.mvn/timing.properties +.mvn/wrapper/maven-wrapper.jar +.nb-gradle +.project +.scannerwork +.settings +.vscode/* +/**/.idea/$CACHE_FILE$ +/**/.idea/$PRODUCT_WORKSPACE_FILE$ +/**/.idea/**/caches/build_file_checksums.ser +/**/.idea/**/contentModel.xml +/**/.idea/**/dataSources.ids +/**/.idea/**/dataSources.local.xml +/**/.idea/**/dataSources/ +/**/.idea/**/dbnavigator.xml +/**/.idea/**/dictionaries +/**/.idea/**/dynamic.xml +/**/.idea/**/gradle.xml +/**/.idea/**/httpRequests +/**/.idea/**/libraries +/**/.idea/**/mongoSettings.xml +/**/.idea/**/replstate.xml +/**/.idea/**/shelf +/**/.idea/**/shelf/ +/**/.idea/**/sqlDataSources.xml +/**/.idea/**/tasks.xml +/**/.idea/**/uiDesigner.xml +/**/.idea/**/usage.statistics.xml +/**/.idea/**/workspace.xml +/**/.idea_modules/ +Thumbs.db +__pycache__ +atlassian-ide-plugin.xml +bin/ +build/ +cmake-build-*/ +com_crashlytics_export_strings.xml +crashlytics-build.properties +crashlytics.properties +dependency-reduced-pom.xml +deploy/ +dist/ +ehthumbs.db +fabric.properties +gen/ +gradle.properties +hs_err_pid* +kobaltBuild +kobaltw*-test +lib/kotlin* +libs/ +local.properties +out/ +pom.xml.asc +pom.xml.next +pom.xml.releaseBackup +pom.xml.tag +pom.xml.versionsBackup +proguard-project.txt +project.properties +release.properties +target/ +test-output +venv diff --git a/LICENSE.txt b/LICENSE.txt new file mode 100644 index 0000000..bab61e8 --- /dev/null +++ b/LICENSE.txt @@ -0,0 +1,27 @@ +Copyright (c) 2021, Erik C. Thauvin (erik@thauvin.net) +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + +* Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +* Neither the name of this project nor the names of its contributors may be + used to endorse or promote products derived from this software without + specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/baseline.xml b/baseline.xml new file mode 100644 index 0000000..8c77e12 --- /dev/null +++ b/baseline.xml @@ -0,0 +1,8 @@ + + + + + ThrowsCount:CryptoPrice.kt$CryptoPrice.Companion$ @JvmStatic @JvmOverloads @Throws(CryptoException::class) fun apiCall(paths: List<String>, params: Map<String, String> = emptyMap()): String + UtilityClassWithPublicConstructor:CryptoPrice.kt$CryptoPrice + + diff --git a/build.gradle.kts b/build.gradle.kts new file mode 100644 index 0000000..7584371 --- /dev/null +++ b/build.gradle.kts @@ -0,0 +1,32 @@ +plugins { + id("com.github.ben-manes.versions") version "0.38.0" + id("io.gitlab.arturbosch.detekt") version "1.17.0-RC1" + kotlin("jvm") version "1.5.0" + application +} + +defaultTasks(ApplicationPlugin.TASK_RUN_NAME) + +repositories { + mavenCentral() + maven { url = uri("https://oss.sonatype.org/content/repositories/snapshots") } +} + +dependencies { + implementation(platform("org.jetbrains.kotlin:kotlin-bom")) + implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8") + + implementation("com.squareup.okhttp3:okhttp:4.9.1") + implementation("org.json:json:20210307") + + testImplementation("org.jetbrains.kotlin:kotlin-test") + testImplementation("org.jetbrains.kotlin:kotlin-test-junit") +} + +application { + mainClassName = "net.thauvin.erik.crypto.CryptoPrice" +} + +detekt { + toolVersion = "main-SNAPSHOT" +} diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..e708b1c Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..f371643 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-7.0-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100755 index 0000000..4f906e0 --- /dev/null +++ b/gradlew @@ -0,0 +1,185 @@ +#!/usr/bin/env sh + +# +# Copyright 2015 the original author or authors. +# +# 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 +# +# https://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. +# + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >/dev/null +APP_HOME="`pwd -P`" +cd "$SAVED" >/dev/null + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn () { + echo "$*" +} + +die () { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MINGW* ) + msys=true + ;; + NONSTOP* ) + nonstop=true + ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD="java" + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin or MSYS, switch paths to Windows format before running java +if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + + JAVACMD=`cygpath --unix "$JAVACMD"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=`expr $i + 1` + done + case $i in + 0) set -- ;; + 1) set -- "$args0" ;; + 2) set -- "$args0" "$args1" ;; + 3) set -- "$args0" "$args1" "$args2" ;; + 4) set -- "$args0" "$args1" "$args2" "$args3" ;; + 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Escape application args +save () { + for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done + echo " " +} +APP_ARGS=`save "$@"` + +# Collect all arguments for the java command, following the shell quoting and substitution rules +eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..107acd3 --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,89 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/settings.gradle.kts b/settings.gradle.kts new file mode 100644 index 0000000..f038870 --- /dev/null +++ b/settings.gradle.kts @@ -0,0 +1,10 @@ +/* + * This file was generated by the Gradle 'init' task. + * + * The settings file is used to specify which projects to include in your build. + * + * Detailed information about configuring a multi-project build in Gradle can be found + * in the user manual at https://docs.gradle.org/7.0/userguide/multi_project_builds.html + */ + +rootProject.name = "CryptoPrice" diff --git a/src/main/kotlin/net/thauvin/erik/crypto/CryptoException.kt b/src/main/kotlin/net/thauvin/erik/crypto/CryptoException.kt new file mode 100644 index 0000000..bf13c0a --- /dev/null +++ b/src/main/kotlin/net/thauvin/erik/crypto/CryptoException.kt @@ -0,0 +1,44 @@ +/* + * CryptoExtension.kt + * + * Copyright (c) 2021, Erik C. Thauvin (erik@thauvin.net) + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of this project nor the names of its contributors may be + * used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +package net.thauvin.erik.crypto + +@Suppress("EmptySecondaryConstructor") +class CryptoException : Exception { + constructor(message: String, cause: Throwable) : super(message, cause) {} + constructor(message: String) : super(message) {} + constructor(cause: Throwable) : super(cause) {} + + companion object { + private const val serialVersionUID = 1L + } +} diff --git a/src/main/kotlin/net/thauvin/erik/crypto/CryptoPrice.kt b/src/main/kotlin/net/thauvin/erik/crypto/CryptoPrice.kt new file mode 100644 index 0000000..ac7cb54 --- /dev/null +++ b/src/main/kotlin/net/thauvin/erik/crypto/CryptoPrice.kt @@ -0,0 +1,113 @@ +/* + * CryptoPrice.kt + * + * Copyright (c) 2021, Erik C. Thauvin (erik@thauvin.net) + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of this project nor the names of its contributors may be + * used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +package net.thauvin.erik.crypto + +import okhttp3.HttpUrl.Companion.toHttpUrl +import okhttp3.OkHttpClient +import okhttp3.Request +import org.json.JSONObject +import java.io.IOException +import java.net.URL +import java.time.LocalDate + +data class Price(val base: String, val currency: String, val amount: Double) + +open class CryptoPrice private constructor() { + companion object { + // Coinbase API URL + private const val COINBASE_API_URL = "https://api.coinbase.com/v2/" + + /** + * Make an API call. + */ + @JvmStatic + @JvmOverloads + @Throws(CryptoException::class) + fun apiCall(paths: List, params: Map = emptyMap()): String { + val client = OkHttpClient() + val url = COINBASE_API_URL.toHttpUrl().newBuilder() + paths.forEach { + url.addPathSegment(it) + } + params.forEach { + url.addQueryParameter(it.key, it.value) + } + + val request = Request.Builder().url(url.build()).build() + val response = client.newCall(request).execute() + val body = response.body?.string() + if (body != null) { + val json = JSONObject(body) + if (!response.isSuccessful) { + if (json.has("errors")) { + val data = json.getJSONArray("errors") + throw CryptoException(data.getJSONObject(0).getString("message")) + } else { + throw CryptoException("Invalid API response. (${response.code}") + } + } else { + return body + } + } else { + throw CryptoException("Empty API response.") + } + } + + @JvmStatic + fun main(args: Array) { + val price = marketPrice("BTC") + println("BTC: ${price.amount}") + } + + /** + * Retrieves the current market price. + */ + @JvmStatic + @JvmOverloads + @Throws(CryptoException::class) + fun marketPrice(base: String, currency: String = "USD", date: LocalDate? = null): Price { + val params = mutableMapOf() + if (date != null) { + params.put("date", "$date") + } + val body = apiCall(listOf("prices", "$base-$currency", "spot"), params) + val json = JSONObject(body) + if (json.has("data")) { + val data = json.getJSONObject("data") + return Price(data.getString("base"), data.getString("currency"), data.getString("amount").toDouble()) + } else { + throw CryptoException("Missing JSON data.") + } + } + } +} diff --git a/src/test/kotlin/net/thauvin/erik/cryptoprice/CryptoPriceTest.kt b/src/test/kotlin/net/thauvin/erik/cryptoprice/CryptoPriceTest.kt new file mode 100644 index 0000000..dfd5da6 --- /dev/null +++ b/src/test/kotlin/net/thauvin/erik/cryptoprice/CryptoPriceTest.kt @@ -0,0 +1,65 @@ +package net.thauvin.erik.crypto + +import net.thauvin.erik.crypto.CryptoPrice.Companion.marketPrice +import kotlin.test.Test +import kotlin.test.assertEquals +import kotlin.test.assertFailsWith +import kotlin.test.assertTrue +import java.time.LocalDate + +/** + * The `CryptoPriceTest` class. + */ +class CryptoPriceTest { + @Test + @Throws(CryptoException::class) + fun testBTCPrice() { + val price = marketPrice("BTC") + assertEquals(price.base, "BTC", "BTC") + assertEquals(price.currency, "USD", "is USD") + assertTrue(price.amount > 0.00, "BTC > 0") + } + + @Test + @Throws(CryptoException::class) + fun testETHPrice() { + val price = marketPrice("ETH", "EUR") + assertEquals(price.base, "ETH", "ETH") + assertEquals(price.currency, "EUR", "is EUR") + assertTrue(price.amount > 0.00, "ETH > 0") + } + + @Test + @Throws(CryptoException::class) + fun testETH2Price() { + val price = marketPrice("ETH2", "GBP") + assertEquals(price.base, "ETH2", "ETH2") + assertEquals(price.currency, "GBP", "is GBP") + assertTrue(price.amount > 0.00, "GBP > 0") + } + + @Test + @Throws(CryptoException::class) + fun testBCHPrice() { + val price = marketPrice("BCH", "GBP", LocalDate.now().minusDays(1)) + assertEquals(price.base, "BCH", "ETH2") + assertEquals(price.currency, "GBP", "is GBP") + assertTrue(price.amount > 0.00, "BCH > 0") + } + + @Test + @Throws(CryptoException::class) + fun testMarketPriceExceptions() { + assertFailsWith( + message = "FOO did not fail", + exceptionClass = CryptoException::class, + block = { marketPrice("FOO") } + ) + + assertFailsWith( + message = "BAR did not fail", + exceptionClass = CryptoException::class, + block = { marketPrice("BTC", "BAR") } + ) + } +}