Extend deserialiseFromRawBytesHex to produce error description #3304

cblp · 2021-10-20T14:42:58Z

No description provided.

Jimbo4350

Right, let's reorganize these commits:
Commit 1: Change to deserialiseFromRawBytesHex
Commit 2: Propagating this change throughout the repo
Commit 3: Miscellaneous refactorings

cblp · 2021-12-23T15:24:53Z

Right, let's reorganize these commits: Commit 1: Change to deserialiseFromRawBytesHex Commit 2: Propagating this change throughout the repo Commit 3: Miscellaneous refactorings

done

Jimbo4350

Right direction, a few comments

Jimbo4350 · 2021-12-31T15:36:33Z

cardano-api/src/Cardano/Api/SerialiseRaw.hs

-    case Base16.decode hex of
-      Right raw -> deserialiseFromRawBytes proxy raw
-      Left _msg -> Nothing
+                           => AsType a -> ByteString -> Either String a


String isn't a particularly indicative error type. We should create a custom datatype, for example:

data RawBytesHexError = RawBytesHexErrorBase16DecodeFail ByteString String | RawBytesHexErrorRawBytesDecodeFail ByteString String

We can also implement an Error instance to render the errors.

I think it should be done in another patch. String is used already everywhere.

String is used already everywhere.

And it shouldn't be. Even more reason to change the error type.

cardano-api/src/Cardano/Api/Utils.hs

cardano-cli/src/Cardano/CLI/Helpers.hs

cblp · 2022-03-24T11:06:35Z

bors merge

3304: Extend deserialiseFromRawBytesHex to produce error description r=cblp a=cblp Co-authored-by: Yuriy Syrovetskiy <yuriy.syrovetskiy@iohk.io>

iohk-bors · 2022-03-24T11:36:40Z

Build failed:

ci/hydra-build:required

cblp · 2022-04-22T17:24:04Z

bors merge

3304: Extend deserialiseFromRawBytesHex to produce error description r=cblp a=cblp Co-authored-by: Yuriy Syrovetskiy <yuriy.syrovetskiy@iohk.io>

iohk-bors · 2022-04-22T17:55:40Z

This PR was included in a batch that successfully built, but then failed to merge into master. It will not be retried.

Additional information:

{"message":"Waiting on code owner review from MarcFontaine, cleverca22, deepfire, denisshevchenko, and/or jutaro.","documentation_url":"https://docs.github.com/articles/about-protected-branches"}

cblp · 2022-04-27T09:53:25Z

bors merge

3304: Extend deserialiseFromRawBytesHex to produce error description r=cblp a=cblp Co-authored-by: Yuriy Syrovetskiy <yuriy.syrovetskiy@iohk.io>

iohk-bors · 2022-04-27T10:25:15Z

This PR was included in a batch that successfully built, but then failed to merge into master. It will not be retried.

Additional information:

{"message":"Waiting on code owner review from MarcFontaine, cleverca22, deepfire, denisshevchenko, and/or jutaro.","documentation_url":"https://docs.github.com/articles/about-protected-branches"}

dcoutts · 2022-04-28T15:50:27Z

cardano-api/src/Cardano/Api/SerialiseRaw.hs

+data RawBytesHexError
+  = RawBytesHexErrorBase16DecodeFail
+      ByteString -- ^ original input
+      String -- ^ error message


Can we not do better than a String here?

Sorry? Too much indirection for my English.

Do you suggest having something more structured than a String in the second field of RawBytesHexErrorBase16DecodeFail or not?

cardano-api/src/Cardano/Api/Script.hs

dcoutts · 2022-04-28T15:56:24Z

cardano-api/src/Cardano/Api/TxBody.hs

-  case deserialiseFromRawBytesHex AsTxId (BSC.pack str) of
-    Just addr -> return addr
-    Nothing -> fail $ "Incorrect transaction id format:: " ++ show str
+  str <- some Parsec.hexDigit <?> "transaction id (hexadecimal)"


Was there a reason to switch many1 to some? The Parsec version has an implementation specialised to parsers.

some is a less surprising name for the same thing.

dcoutts · 2022-04-28T16:00:03Z

cardano-cli/src/Cardano/CLI/Shelley/Parsers.hs

@@ -1974,7 +1975,7 @@ parseTxIn = TxIn <$> parseTxId <*> (Parsec.char '#' *> parseTxIx)

 parseTxId :: Parsec.Parser TxId
 parseTxId = do
-  str <- Parsec.many1 Parsec.hexDigit Parsec.<?> "transaction id (hexadecimal)"
+  str <- some Parsec.hexDigit <?> "transaction id (hexadecimal)"


Same question. Is this change needed? Why?

MarcFontaine

LGTM concerning the tx-generator

cblp · 2022-05-02T15:27:21Z

bors merge

iohk-bors · 2022-05-02T16:16:32Z

Build succeeded:

cblp requested review from DavidEichmann, dcoutts, erikd, JaredCorduan, Jimbo4350, nc6 and newhoggy as code owners October 20, 2021 14:42

cblp mentioned this pull request Oct 20, 2021

Serialize AssetName to JSON as hex string #3211

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Merge #3304

6f9a580

3304: Extend deserialiseFromRawBytesHex to produce error description r=cblp a=cblp Co-authored-by: Yuriy Syrovetskiy <yuriy.syrovetskiy@iohk.io>

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Merge #3304

f43cebe

3304: Extend deserialiseFromRawBytesHex to produce error description r=cblp a=cblp Co-authored-by: Yuriy Syrovetskiy <yuriy.syrovetskiy@iohk.io>

iohk-bors bot added a commit that referenced this pull request Apr 27, 2022

Merge #3304

da59a79

3304: Extend deserialiseFromRawBytesHex to produce error description r=cblp a=cblp Co-authored-by: Yuriy Syrovetskiy <yuriy.syrovetskiy@iohk.io>

dcoutts reviewed Apr 28, 2022

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cblp added 3 commits April 29, 2022 18:32

Extend deserialiseFromRawBytesHex to produce error description

2b1a604

Use updated deserialiseFromRawBytesHex

061970c

Simplify code using Parsec

beae391

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Extend deserialiseFromRawBytesHex to produce error description #3304

Extend deserialiseFromRawBytesHex to produce error description #3304

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Extend deserialiseFromRawBytesHex to produce error description #3304

Extend deserialiseFromRawBytesHex to produce error description #3304

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