bitcoin-s/clightning-rpc/clightning-rpc.sbt
2021-11-30 13:07:58 -06:00

74 lines
2.4 KiB
Scala

import java.nio.file._
import java.security.MessageDigest
import scala.util.Properties
name := "bitcoin-s-clightning-rpc"
libraryDependencies ++= Deps.clightningRpc
CommonSettings.prodSettings
TaskKeys.downloadCLightning := {
val logger = streams.value.log
import scala.sys.process._
val binaryDir = CommonSettings.binariesPath.resolve("clightning")
if (Files.notExists(binaryDir)) {
logger.info(s"Creating directory for clightning binaries: $binaryDir")
Files.createDirectories(binaryDir)
}
val version = "0.10.2"
val (platform, suffix) =
if (Properties.isLinux) ("Ubuntu-20.04", "tar.xz")
// else if (Properties.isMac) ("darwin-amd64", "tar.gz") // todo c-lightning adding in a future release
else sys.error(s"Unsupported OS: ${Properties.osName}")
logger.debug(s"(Maybe) downloading clightning binaries for version: $version")
val versionDir = binaryDir resolve version
val location =
s"https://github.com/ElementsProject/lightning/releases/download/v$version/clightning-v$version-$platform.tar.xz"
if (Files.exists(versionDir)) {
logger.debug(
s"Directory $versionDir already exists, skipping download of clightning $version")
} else {
Files.createDirectories(versionDir)
val archiveLocation = binaryDir resolve s"$version.$suffix"
logger.info(
s"Downloading clightning version $version from location: $location")
logger.info(s"Placing the file in $archiveLocation")
val downloadCommand = url(location) #> archiveLocation.toFile
downloadCommand.!!
val bytes = Files.readAllBytes(archiveLocation)
val hash = MessageDigest
.getInstance("SHA-256")
.digest(bytes)
.map("%02x" format _)
.mkString
val expectedHash =
if (Properties.isLinux)
"de61bb1dec0f656e192f896de7dcb08f4b07cf9c2bdaef8c78d860cd80ea6776"
else sys.error(s"Unsupported OS: ${Properties.osName}")
if (hash.equalsIgnoreCase(expectedHash)) {
logger.info(s"Download complete and verified, unzipping result")
val extractCommand = s"tar -xf $archiveLocation --directory $versionDir"
logger.info(s"Extracting archive with command: $extractCommand")
extractCommand.!!
} else {
logger.error(
s"Downloaded invalid version of c-lightning, got $hash, expected $expectedHash")
}
logger.info(s"Deleting archive")
Files.delete(archiveLocation)
}
}