129 lines
3.8 KiB
Nim
129 lines
3.8 KiB
Nim
import std/os
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import std/streams
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import pkg/chronicles
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import pkg/chronos
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import pkg/ethers
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import pkg/questionable
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import pkg/questionable/results
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import pkg/zippy/tarballs
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import pkg/chronos/apps/http/httpclient
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import ../../codex/contracts/marketplace
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proc consoleLog(logLevel: LogLevel, msg: LogOutputStr) {.gcsafe.} =
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try:
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stdout.write(msg)
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stdout.flushFile()
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except IOError as err:
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logLoggingFailure(cstring(msg), err)
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proc noOutput(logLevel: LogLevel, msg: LogOutputStr) = discard
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defaultChroniclesStream.outputs[0].writer = consoleLog
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defaultChroniclesStream.outputs[1].writer = noOutput
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defaultChroniclesStream.outputs[2].writer = noOutput
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proc printHelp() =
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info "Usage: ./cirdl [circuitPath] [rpcEndpoint] [marketplaceAddress]"
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info " circuitPath: path where circuit files will be placed."
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info " rpcEndpoint: URL of web3 RPC endpoint."
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info " marketplaceAddress: Address of deployed Codex marketplace contracts."
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proc getCircuitHash(rpcEndpoint: string, marketplaceAddress: string): Future[?!string] {.async.} =
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let provider = JsonRpcProvider.new(rpcEndpoint)
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without address =? Address.init(marketplaceAddress):
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return failure("Invalid address: " & marketplaceAddress)
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let marketplace = Marketplace.new(address, provider)
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let config = await marketplace.config()
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return success config.proofs.zkeyHash
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proc formatUrl(hash: string): string =
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"https://circuit.codex.storage/proving-key/" & hash
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proc retrieveUrl(uri: string): Future[seq[byte]] {.async.} =
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let httpSession = HttpSessionRef.new()
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try:
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let resp = await httpSession.fetch(parseUri(uri))
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return resp.data
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finally:
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await noCancel(httpSession.closeWait())
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proc downloadZipfile(url: string, filepath: string): Future[?!void] {.async.} =
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try:
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let file = await retrieveUrl(url)
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var s = newFileStream(filepath, fmWrite)
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for b in file:
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s.write(b)
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s.close()
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except Exception as exc:
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return failure(exc.msg)
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success()
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proc unzip(zipfile: string, targetPath: string): ?!void =
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try:
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extractAll(zipfile, targetPath)
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except Exception as exc:
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return failure(exc.msg)
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success()
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proc copyFiles(unpackDir: string, circuitPath: string): ?!void =
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try:
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for file in walkDir(unpackDir):
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copyFileToDir(file.path, circuitPath)
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except Exception as exc:
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return failure(exc.msg)
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success()
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proc main() {.async.} =
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info "Codex Circuit Downloader, Aww yeah!"
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let args = os.commandLineParams()
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if args.len != 3:
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printHelp()
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return
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let
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circuitPath = args[0]
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rpcEndpoint = args[1]
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marketplaceAddress = args[2]
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zipfile = "circuit.tar.gz"
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unpackFolder = "." / "tempunpackfolder"
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debug "Starting", circuitPath, rpcEndpoint, marketplaceAddress
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if (dirExists(unpackFolder)):
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removeDir(unpackFolder)
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without circuitHash =? (await getCircuitHash(rpcEndpoint, marketplaceAddress)), err:
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error "Failed to get circuit hash", msg = err.msg
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return
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debug "Got circuithash", circuitHash
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let url = formatUrl(circuitHash)
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if dlErr =? (await downloadZipfile(url, zipfile)).errorOption:
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error "Failed to download circuit file", msg = dlErr.msg
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return
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debug "Download completed"
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if err =? unzip(zipfile, unpackFolder).errorOption:
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error "Failed to unzip file", msg = err.msg
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return
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debug "Unzip completed"
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# Unpack library cannot unpack into existing directory. We also cannot
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# delete the targer directory and have the library recreate it because
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# Codex has likely created it and set correct permissions.
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# So, we unpack to a temp folder and move the files.
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if err =? copyFiles(unpackFolder, circuitPath).errorOption:
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error "Failed to copy files", msg = err.msg
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return
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debug "Files copied"
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removeFile(zipfile)
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removeDir(unpackFolder)
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debug "file and unpack folder removed"
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when isMainModule:
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waitFor main()
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info "Done!"
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