-
Notifications
You must be signed in to change notification settings - Fork 5
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Adding parsing of query signatures (#93)
- Loading branch information
Showing
5 changed files
with
237 additions
and
18 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| using EdjCase.ICP.Candid.Encodings; | ||
| using EdjCase.ICP.Candid.Models; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Formats.Cbor; | ||
| using System.Linq; | ||
| using System.Text; | ||
|
|
||
| namespace EdjCase.ICP.Agent.Responses | ||
| { | ||
| internal static class CborUtil | ||
| { | ||
| public static UnboundedUInt ReadNat(CborReader reader) | ||
| { | ||
| CborReaderState state = reader.PeekState(); | ||
| switch (state) | ||
| { | ||
| case CborReaderState.UnsignedInteger: | ||
| return reader.ReadUInt64(); | ||
| default: | ||
| byte[] codeBytes = reader.ReadByteString().ToArray(); | ||
| return LEB128.DecodeUnsigned(codeBytes); | ||
| } | ||
| } | ||
|
|
||
| public static Principal ReadPrincipal(CborReader reader) | ||
| { | ||
| return Principal.FromBytes(reader.ReadByteString()); | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| using EdjCase.ICP.Agent.Models; | ||
| using EdjCase.ICP.Candid.Models; | ||
| using Org.BouncyCastle.Crypto.Agreement; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Formats.Cbor; | ||
| using System.Linq; | ||
| using System.Text; | ||
|
|
||
| namespace EdjCase.ICP.Agent.Responses | ||
| { | ||
| /// <summary> | ||
| /// Signature data from a replica node | ||
| /// </summary> | ||
| public class NodeSignature | ||
| { | ||
| /// <summary> | ||
| /// Timestamp when the signature was created | ||
| /// </summary> | ||
| public ICTimestamp Timestamp { get; } | ||
| /// <summary> | ||
| /// The signature bytes | ||
| /// </summary> | ||
| public byte[] Signature { get; } | ||
| /// <summary> | ||
| /// The identity of the signer | ||
| /// </summary> | ||
| public Principal Identity { get; } | ||
|
|
||
| /// <param name="timestamp">Timestamp when the signature was created</param> | ||
| /// <param name="signature">The signature bytes</param> | ||
| /// <param name="identity">The identity of the signer</param> | ||
| public NodeSignature(ICTimestamp timestamp, byte[] signature, Principal identity) | ||
| { | ||
| this.Timestamp = timestamp ?? throw new ArgumentNullException(nameof(timestamp)); | ||
| this.Signature = signature ?? throw new ArgumentNullException(nameof(signature)); | ||
| this.Identity = identity ?? throw new ArgumentNullException(nameof(identity)); | ||
| } | ||
|
|
||
| internal static NodeSignature ReadCbor(CborReader reader) | ||
| { | ||
| ICTimestamp? timestamp = null; | ||
| byte[]? signature = null; | ||
| Principal? identity = null; | ||
| _ = reader.ReadStartMap(); | ||
| while (reader.PeekState() != CborReaderState.EndMap) | ||
| { | ||
| string name = reader.ReadTextString(); | ||
| switch (name) | ||
| { | ||
| case "timestamp": | ||
| timestamp = ICTimestamp.FromNanoSeconds(CborUtil.ReadNat(reader)); | ||
| break; | ||
| case "signature": | ||
| signature = reader.ReadByteString(); | ||
| break; | ||
| case "identity": | ||
| identity = CborUtil.ReadPrincipal(reader); | ||
| break; | ||
| default: | ||
| // Skip | ||
| reader.SkipValue(); | ||
| break; | ||
| } | ||
| } | ||
| reader.ReadEndMap(); | ||
|
|
||
| if (timestamp == null) | ||
| { | ||
| throw new Exception("Node signature is missing the timestamp field"); | ||
| } | ||
| if (signature == null) | ||
| { | ||
| throw new Exception("Node signature is missing the signature field"); | ||
| } | ||
| if (identity == null) | ||
| { | ||
| throw new Exception("Node signature is missing the identity field"); | ||
| } | ||
|
|
||
|
|
||
| return new NodeSignature( | ||
| timestamp, | ||
| signature, | ||
| identity | ||
| ); | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters