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73 lines
2.4 KiB
Scala
73 lines
2.4 KiB
Scala
import java.nio.file._
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import java.security.MessageDigest
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import scala.util.Properties
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name := "bitcoin-s-clightning-rpc"
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libraryDependencies ++= Deps.clightningRpc
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CommonSettings.prodSettings
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TaskKeys.downloadCLightning := {
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val logger = streams.value.log
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import scala.sys.process._
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val binaryDir = CommonSettings.binariesPath.resolve("clightning")
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if (Files.notExists(binaryDir)) {
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logger.info(s"Creating directory for clightning binaries: $binaryDir")
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Files.createDirectories(binaryDir)
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}
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val version = "0.10.1"
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val (platform, suffix) =
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if (Properties.isLinux) ("Ubuntu-20.04", "tar.xz")
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// else if (Properties.isMac) ("darwin-amd64", "tar.gz") // todo c-lightning adding in a future release
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else sys.error(s"Unsupported OS: ${Properties.osName}")
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logger.debug(s"(Maybe) downloading clightning binaries for version: $version")
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val versionDir = binaryDir resolve version
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val location =
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s"https://github.com/ElementsProject/lightning/releases/download/v$version/clightning-v$version-$platform.tar.xz"
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if (Files.exists(versionDir)) {
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logger.debug(
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s"Directory $versionDir already exists, skipping download of clightning $version")
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} else {
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Files.createDirectories(versionDir)
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val archiveLocation = binaryDir resolve s"$version.$suffix"
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logger.info(
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s"Downloading clightning version $version from location: $location")
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logger.info(s"Placing the file in $archiveLocation")
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val downloadCommand = url(location) #> archiveLocation.toFile
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downloadCommand.!!
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val bytes = Files.readAllBytes(archiveLocation)
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val hash = MessageDigest
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.getInstance("SHA-256")
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.digest(bytes)
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.map("%02x" format _)
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.mkString
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val expectedHash =
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if (Properties.isLinux)
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"c99e1879e36f108e4c7d9bef597a4179e6c6b5b92b1142f2bc9e888cf0cf6ea6"
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else sys.error(s"Unsupported OS: ${Properties.osName}")
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if (hash.equalsIgnoreCase(expectedHash)) {
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logger.info(s"Download complete and verified, unzipping result")
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val extractCommand = s"tar -xf $archiveLocation --directory $versionDir"
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logger.info(s"Extracting archive with command: $extractCommand")
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extractCommand.!!
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} else {
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logger.error(
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s"Downloaded invalid version of c-lightning, got $hash, expected $expectedHash")
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}
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logger.info(s"Deleting archive")
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Files.delete(archiveLocation)
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}
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}
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