Avalanche primitive types in Rust (experimental)

Ava Labs

Last update: Feb 4, 2023

Related tags

Cryptography avalanche-types-rs

Overview

AvalancheGo Compatibility

Crate Version(s)	AvalancheGo Version(s)	Protocol Version
v0.0.134-155	v1.9.2,v1.9.3	19
v0.0.156-176	v1.9.4	20
v0.0.177-200	v1.9.5	21
v0.0.201+	v1.9.6,v1.9.7	22

Introduction

The avalanche-types crate implements and is the canonical representation of Avalanche primitive types in Rust. Avalanche types are separated by modules and are all under the src directory.

This crate also provides an SDK library for developing subnets in Rust. For the SDK functionality, see src/subnet which contains everything required to build a subnet VM in Rust.

The following VMs were built with the SDK:

Simple Rust VM: TimestampVM
Complex Rust VM: SpacesVM

Getting Started

Examples can be found in examples and is a good first step to getting an understanding of general usage.

Tutorials

How to Build a Simple Rust VM tutorial provides a basic example of using the Rust SDK.

Rust Version

avalanche-types currently works on Rust 1.67 and above as it requires support for the 2021 edition. This project uses the stable toolchain.

Getting Help

First please try find the answer to your question in the code documentation. If more clarification is required, try opening an issue with the question.

Features

Ids (e.g., src/ids)
Transaction types/serialization (e.g., src/platformvm/txs)
Certificates (e.g., src/key/cert)
Keys and addresses (e.g., src/key/secp256k1)
Peer-to-peer messages (e.g., src/message)
RPC chain VM (e.g., src/subnet/rpc)
Genesis generate helper (e.g., src/subnet_evm)
Protobuf generated stubs and helpers (e.g., src/proto)

The basic types available in this crate are used in other Avalanche Rust projects (e.g., distributed load tester blizzard, avalanche-ops).

License

This project is licensed under the BSD 3.

Comments

Update aws-smithy-types requirement from 0.53.1 to 0.54.1
Updates the requirements on aws-smithy-types to permit the latest version.

Changelog

Sourced from aws-smithy-types's changelog.

January 25th, 2023

New this release:

🐛 (server, smithy-rs#920) Fix bug in OperationExtensionFutures Future::poll implementation

January 24th, 2023

Breaking Changes:

⚠ (server, smithy-rs#2161) Remove deprecated service builder, this includes:

Remove aws_smithy_http_server::routing::Router and aws_smithy_http_server::request::RequestParts.

Move the aws_smithy_http_server::routers::Router trait and aws_smithy_http_server::routing::RoutingService into aws_smithy_http_server::routing.

Remove the following from the generated SDK:

operation_registry.rs

operation_handler.rs

server_operation_handler_trait.rs

If migration to the new service builder API has not already been completed a brief summary of required changes can be seen in previous release notes and in API documentation of the root crate.

New this release:

🐛 (server, smithy-rs#2213) @sparse list shapes and map shapes with constraint traits and with constrained members are now supported

🐛 (server, smithy-rs#2200) Event streams no longer generate empty error enums when their operations don’t have modeled errors

(all, smithy-rs#2223) aws_smithy_types::date_time::DateTime, aws_smithy_types::Blob now implement the Eq and Hash traits

(server, smithy-rs#2223) Code-generated types for server SDKs now implement the Eq and Hash traits when possible

January 12th, 2023

New this release:

🐛 (server, smithy-rs#2201) Fix severe bug where a router fails to deserialize percent-encoded query strings, reporting no operation match when there could be one. If your Smithy model uses an operation with a request URI spec containing query string literals, you are affected. This fix was released in aws-smithy-http-server v0.53.1.

January 11th, 2023

Breaking Changes:

⚠ (client, smithy-rs#2099) The Rust client codegen plugin is now called rust-client-codegen instead of rust-codegen. Be sure to update your smithy-build.json files to refer to the correct plugin name.

⚠ (client, smithy-rs#2099) Client codegen plugins need to define a service named software.amazon.smithy.rust.codegen.client.smithy.customize.ClientCodegenDecorator (this is the new file name for the plugin definition in resources/META-INF/services).

⚠ (server, smithy-rs#2099) Server codegen plugins need to define a service named software.amazon.smithy.rust.codegen.server.smithy.customize.ServerCodegenDecorator (this is the new file name for the plugin definition in resources/META-INF/services).

New this release:

🐛 (server, smithy-rs#2103) In 0.52, @length-constrained collection shapes whose members are not constrained made the server code generator crash. This has been fixed.

(server, smithy-rs#1879) Servers support the @default trait: models can specify default values. Default values will be automatically supplied when not manually set.

(server, smithy-rs#2131) The constraint @length on non-streaming blob shapes is supported.

🐛 (client, smithy-rs#2150) Fix bug where string default values were not supported for endpoint parameters

🐛 (all, smithy-rs#2170, aws-sdk-rust#706) Remove the webpki-roots feature from hyper-rustls

🐛 (server, smithy-rs#2054) Servers can generate a unique request ID and use it in their handlers.

... (truncated)

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dependencies
opened by dependabot[bot] 1
Update aws-smithy-types requirement from 0.53.1 to 0.54.0
Updates the requirements on aws-smithy-types to permit the latest version.

Changelog

Sourced from aws-smithy-types's changelog.

January 24th, 2023

Breaking Changes:

⚠ (server, smithy-rs#2161) Remove deprecated service builder, this includes:

Remove aws_smithy_http_server::routing::Router and aws_smithy_http_server::request::RequestParts.

Move the aws_smithy_http_server::routers::Router trait and aws_smithy_http_server::routing::RoutingService into aws_smithy_http_server::routing.

Remove the following from the generated SDK:

operation_registry.rs

operation_handler.rs

server_operation_handler_trait.rs

If migration to the new service builder API has not already been completed a brief summary of required changes can be seen in previous release notes and in API documentation of the root crate.

New this release:

🐛 (server, smithy-rs#2213) @sparse list shapes and map shapes with constraint traits and with constrained members are now supported

(all, smithy-rs#2223) aws_smithy_types::date_time::DateTime, aws_smithy_types::Blob now implement the Eq and Hash traits

(server, smithy-rs#2223) Code-generated types for server SDKs now implement the Eq and Hash traits when possible

January 12th, 2023

New this release:

🐛 (server, smithy-rs#2201) Fix severe bug where a router fails to deserialize percent-encoded query strings, reporting no operation match when there could be one. If your Smithy model uses an operation with a request URI spec containing query string literals, you are affected. This fix was released in aws-smithy-http-server v0.53.1.

January 11th, 2023

Breaking Changes:

⚠ (client, smithy-rs#2099) The Rust client codegen plugin is now called rust-client-codegen instead of rust-codegen. Be sure to update your smithy-build.json files to refer to the correct plugin name.

⚠ (client, smithy-rs#2099) Client codegen plugins need to define a service named software.amazon.smithy.rust.codegen.client.smithy.customize.ClientCodegenDecorator (this is the new file name for the plugin definition in resources/META-INF/services).

⚠ (server, smithy-rs#2099) Server codegen plugins need to define a service named software.amazon.smithy.rust.codegen.server.smithy.customize.ServerCodegenDecorator (this is the new file name for the plugin definition in resources/META-INF/services).

New this release:

🐛 (server, smithy-rs#2103) In 0.52, @length-constrained collection shapes whose members are not constrained made the server code generator crash. This has been fixed.

(server, smithy-rs#1879) Servers support the @default trait: models can specify default values. Default values will be automatically supplied when not manually set.

(server, smithy-rs#2131) The constraint @length on non-streaming blob shapes is supported.

🐛 (client, smithy-rs#2150) Fix bug where string default values were not supported for endpoint parameters

🐛 (all, smithy-rs#2170, aws-sdk-rust#706) Remove the webpki-roots feature from hyper-rustls

🐛 (server, smithy-rs#2054) Servers can generate a unique request ID and use it in their handlers.

December 12th, 2022

Breaking Changes:

⚠🎉 (all, smithy-rs#1938, @jjantdev) Upgrade Rust MSRV to 1.62.1

⚠🎉 (server, smithy-rs#1199, smithy-rs#1342, smithy-rs#1401, smithy-rs#1998, smithy-rs#2005, smithy-rs#2028, smithy-rs#2034, smithy-rs#2036) Constraint traits in server SDKs are beginning to be supported. The following are now supported:

The length trait on string shapes.

... (truncated)

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dependencies
opened by dependabot[bot] 1
Update http-manager requirement from 0.0.7 to 0.0.8
Updates the requirements on http-manager to permit the latest version.

Commits

fc36884 0.0.8: update reqwest + tokio

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dependencies
opened by dependabot[bot] 1
Update rsa requirement from 0.7.2 to 0.8.0
Updates the requirements on rsa to permit the latest version.

Changelog

Sourced from rsa's changelog.

0.8.0 (2022-12-17)

Changed

Bump signature crate dependency to v2 (#217, #249)

Switch to CryptoRngCore marker trait (#237)

Make padding module private (#243)

Refactor PaddingScheme into a trait (#244)

Fixed

Benchmark build (#225)

#217: RustCrypto/RSA#217 #225: RustCrypto/RSA#225 #237: RustCrypto/RSA#237 #243: RustCrypto/RSA#243 #244: RustCrypto/RSA#244 #249: RustCrypto/RSA#249

0.7.2 (2022-11-14)

Added

Public accessor methods for PrecomputedValues (#221)

Re-export signature crate (#223)

#221: RustCrypto/RSA#221 #223: RustCrypto/RSA#223

0.7.1 (2022-10-31)

Added

Documentation improvements (#216)

Changed

Ensure PaddingScheme is Send and Sync (#215)

#215: RustCrypto/RSA#215 #216: RustCrypto/RSA#216

0.7.0 (2022-10-10) [YANKED]

NOTE: when computing signatures with this release, make sure to enable the oid crate feature of the digest crate you are using when computing the signature (e.g. sha2, sha3). If the oid feature doesn't exist, make sure you're using the latest versions.

Added

pkcs1v15 and pss modules with SigningKey/VerifyingKey types (#174, #195, #202, #207, #208)

4096-bit default max RsaPublicKey size (#176)

RsaPublicKey::new_with_max_size (#176)

RsaPublicKey::new_unchecked (#206)

... (truncated)

Commits

3c2a3f8 v0.8.0 (#250)

b10b924 Bump signature crate dependency to v2 (#249)

37c1e14 rsa v0.8.0-rc.0 (#248)

35372d9 Refactor PaddingScheme into a trait (#244)

35a3209 Bump signature to v2.0.0-rc.1 (#247)

6b5dcc8 Make padding module private (#243)

47b8aaa Bump signature to v2.0.0-rc.0 (#242)

6b22f50 CHANGELOG.md: fix v0.8.0-pre.0 release date

8c96243 v0.8.0-pre.0 (#237)

b39752d feat: switch to version 2.0 (pre) of the signature crate (#217)

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dependencies
opened by dependabot[bot] 1
Update k256 requirement from 0.11.6 to 0.12.0
Updates the requirements on k256 to permit the latest version.

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dependencies
opened by dependabot[bot] 1
Update secp256k1 requirement from 0.25.0 to 0.26.0
Updates the requirements on secp256k1 to permit the latest version.

Changelog

Sourced from secp256k1's changelog.

0.26.0 - 2202-12-19

Update libsecp25k1 to v0.2.0

0.25.0 - 2022-12-07

Fix soundness issue with preallocated_gen_new

Update to secp256k1-sys v0.7.0

Use type system to improve safety.

Change secp256k1-sys symbol names to 0_6_1.

Introduce rustfmt to the codebase.

Make all raw pointer methods go through the CPtr trait.

Make comparison functions stable.

0.24.1 - 2022-10-25

Fix broken deserialization logic of KeyPair that previously always panicked. After the patch deserialization only panics if neither the global-context nor the alloc (default) feature is active.

0.24.0 - 2022-07-20

Upgrade to new release of bitcoin_hashes.

0.23.4 - 2022-07-14

Disable automatic rerandomization of contexts under WASM

0.23.3 - 2022-06-29

Add must_use for mut self key manipulation methods

Fix fuzzing feature guard

0.23.2 - 2022-06-27

Move cbor to dev-dependencies

Derive Hash for RecoverableSignature

0.23.1 - 2022-06-24

Enable "rand/std_rng" feature when the crate's "rnd-std" feature is enabled.

0.23.0 - 2022-06-21

The major change in this version is the increase of the Minimum Supported Rust Version (MSRV) from 1.29 to 1.41.1, this is a big change because it introduces Rust Edition 2018 to the codebase along with all the benefits that brings.

Breaking changes

MSRV bumped to 1.41.1 and edition changed to 2018

serde implements serialize fixed-width arrays as tuples in binary formats to avoid encoding the length

Key tweaking methods renamed and refactored to use a more functional-style, they now accept a new Scalar type instead of raw slices

Update rand dependency to 0.8

... (truncated)

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dependencies
opened by dependabot[bot] 1
Update aws-smithy-types requirement from 0.52.0 to 0.53.1
Updates the requirements on aws-smithy-types to permit the latest version.

Changelog

Sourced from aws-smithy-types's changelog.

January 12th, 2023

New this release:

🐛 (server, smithy-rs#2201) Fix severe bug where a router fails to deserialize percent-encoded query strings, reporting no operation match when there could be one. If your Smithy model uses an operation with a request URI spec containing query string literals, you are affected. This fix was released in aws-smithy-http-server v0.53.1.

January 11th, 2023

Breaking Changes:

⚠ (client, smithy-rs#2099) The Rust client codegen plugin is now called rust-client-codegen instead of rust-codegen. Be sure to update your smithy-build.json files to refer to the correct plugin name.

⚠ (client, smithy-rs#2099) Client codegen plugins need to define a service named software.amazon.smithy.rust.codegen.client.smithy.customize.ClientCodegenDecorator (this is the new file name for the plugin definition in resources/META-INF/services).

⚠ (server, smithy-rs#2099) Server codegen plugins need to define a service named software.amazon.smithy.rust.codegen.server.smithy.customize.ServerCodegenDecorator (this is the new file name for the plugin definition in resources/META-INF/services).

New this release:

🐛 (server, smithy-rs#2103) In 0.52, @length-constrained collection shapes whose members are not constrained made the server code generator crash. This has been fixed.

(server, smithy-rs#1879) Servers support the @default trait: models can specify default values. Default values will be automatically supplied when not manually set.

(server, smithy-rs#2131) The constraint @length on non-streaming blob shapes is supported.

🐛 (client, smithy-rs#2150) Fix bug where string default values were not supported for endpoint parameters

🐛 (all, smithy-rs#2170, aws-sdk-rust#706) Remove the webpki-roots feature from hyper-rustls

🐛 (server, smithy-rs#2054) Servers can generate a unique request ID and use it in their handlers.

December 12th, 2022

Breaking Changes:

⚠🎉 (all, smithy-rs#1938, @jjantdev) Upgrade Rust MSRV to 1.62.1

⚠🎉 (server, smithy-rs#1199, smithy-rs#1342, smithy-rs#1401, smithy-rs#1998, smithy-rs#2005, smithy-rs#2028, smithy-rs#2034, smithy-rs#2036) Constraint traits in server SDKs are beginning to be supported. The following are now supported:

The length trait on string shapes.

The length trait on map shapes.

The length trait on list shapes.

The range trait on byte shapes.

The range trait on short shapes.

The range trait on integer shapes.

The range trait on long shapes.

The pattern trait on string shapes.

Upon receiving a request that violates the modeled constraints, the server SDK will reject it with a message indicating why.

Unsupported (constraint trait, target shape) combinations will now fail at code generation time, whereas previously they were just ignored. This is a breaking change to raise awareness in service owners of their server SDKs behaving differently than what was modeled. To continue generating a server SDK with unsupported constraint traits, set codegenConfig.ignoreUnsupportedConstraints to true in your smithy-build.json.

⚠🎉 (server, smithy-rs#1342, smithy-rs#1119) Server SDKs now generate "constrained types" for constrained shapes. Constrained types are newtypes that encapsulate the modeled constraints. They constitute a widespread pattern to guarantee domain invariants and promote correctness in your business logic. So, for example, the model:

@length(min: 1, max: 69) string NiceString

will now render a struct NiceString(String). Instantiating a NiceString is a fallible operation:

... (truncated)

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dependencies
opened by dependabot[bot] 1
Update aws-smithy-types requirement from 0.52.0 to 0.53.0
Updates the requirements on aws-smithy-types to permit the latest version.

Changelog

Sourced from aws-smithy-types's changelog.

January 11th, 2023

Breaking Changes:

⚠ (client, smithy-rs#2099) The Rust client codegen plugin is now called rust-client-codegen instead of rust-codegen. Be sure to update your smithy-build.json files to refer to the correct plugin name.

⚠ (client, smithy-rs#2099) Client codegen plugins need to define a service named software.amazon.smithy.rust.codegen.client.smithy.customize.ClientCodegenDecorator (this is the new file name for the plugin definition in resources/META-INF/services).

⚠ (server, smithy-rs#2099) Server codegen plugins need to define a service named software.amazon.smithy.rust.codegen.server.smithy.customize.ServerCodegenDecorator (this is the new file name for the plugin definition in resources/META-INF/services).

New this release:

🐛 (server, smithy-rs#2103) In 0.52, @length-constrained collection shapes whose members are not constrained made the server code generator crash. This has been fixed.

(server, smithy-rs#1879) Servers support the @default trait: models can specify default values. Default values will be automatically supplied when not manually set.

(server, smithy-rs#2131) The constraint @length on non-streaming blob shapes is supported.

🐛 (client, smithy-rs#2150) Fix bug where string default values were not supported for endpoint parameters

🐛 (all, smithy-rs#2170, aws-sdk-rust#706) Remove the webpki-roots feature from hyper-rustls

🐛 (server, smithy-rs#2054) Servers can generate a unique request ID and use it in their handlers.

December 12th, 2022

Breaking Changes:

⚠🎉 (all, smithy-rs#1938, @jjantdev) Upgrade Rust MSRV to 1.62.1

⚠🎉 (server, smithy-rs#1199, smithy-rs#1342, smithy-rs#1401, smithy-rs#1998, smithy-rs#2005, smithy-rs#2028, smithy-rs#2034, smithy-rs#2036) Constraint traits in server SDKs are beginning to be supported. The following are now supported:

The length trait on string shapes.

The length trait on map shapes.

The length trait on list shapes.

The range trait on byte shapes.

The range trait on short shapes.

The range trait on integer shapes.

The range trait on long shapes.

The pattern trait on string shapes.

Upon receiving a request that violates the modeled constraints, the server SDK will reject it with a message indicating why.

Unsupported (constraint trait, target shape) combinations will now fail at code generation time, whereas previously they were just ignored. This is a breaking change to raise awareness in service owners of their server SDKs behaving differently than what was modeled. To continue generating a server SDK with unsupported constraint traits, set codegenConfig.ignoreUnsupportedConstraints to true in your smithy-build.json.

⚠🎉 (server, smithy-rs#1342, smithy-rs#1119) Server SDKs now generate "constrained types" for constrained shapes. Constrained types are newtypes that encapsulate the modeled constraints. They constitute a widespread pattern to guarantee domain invariants and promote correctness in your business logic. So, for example, the model:

@length(min: 1, max: 69) string NiceString

will now render a struct NiceString(String). Instantiating a NiceString is a fallible operation:

let data: String = ... ; let nice_string = NiceString::try_from(data).expect("data is not nice");

A failed attempt to instantiate a constrained type will yield a ConstraintViolation error type you may want to handle. This type's API is subject to change.

... (truncated)

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dependencies
opened by dependabot[bot] 1
Update aws-manager requirement from 0.21.13 to 0.22.10
Updates the requirements on aws-manager to permit the latest version.

Commits

14bcdfd 0.22.10: update errors

2cc925f ssm: update comment

54a24a9 0.22.9: add ssm command polls

3015f5c examples/s3: use us-east-1

05351f1 s3: fix create bucket, 0.22.8

98c89dd 0.22.7: fix us-east-1 create bucket

8c73b27 0.22.6: update

c5f9f8c 0.22.5: fix s3 create bucket

96d6ee9 kms: schedule_to_delete with days

ebb5fe5 0.22.3: update deps

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dependencies
opened by dependabot[bot] 1
Update aws-manager requirement from 0.21.13 to 0.22.9
Updates the requirements on aws-manager to permit the latest version.

Commits

54a24a9 0.22.9: add ssm command polls

3015f5c examples/s3: use us-east-1

05351f1 s3: fix create bucket, 0.22.8

98c89dd 0.22.7: fix us-east-1 create bucket

8c73b27 0.22.6: update

c5f9f8c 0.22.5: fix s3 create bucket

96d6ee9 kms: schedule_to_delete with days

ebb5fe5 0.22.3: update deps

e0c1d75 0.22.2: update deps

9234e63 0.22.1: update compress-manager

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dependencies
opened by dependabot[bot] 1
Update random-manager requirement from 0.0.1 to 0.0.2
Updates the requirements on random-manager to permit the latest version.

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dependencies
opened by dependabot[bot] 1
Split into more crates

Hello, I'm interested to use the primitives part of this SDK (transaction) - without the rest of the dependencies, is it possible to create more crate for each part of this project?
enhancement

opened by Milerius 3

The crate doesn't build on Windows ARM64

The build fails on Windows ARM64 because of ring package (possibly, it won't build on x86 either):

error: failed to run custom build command for `ring v0.16.20`

  --- stdout
  OPT_LEVEL = Some("0")
  TARGET = Some("aarch64-pc-windows-msvc")
  HOST = Some("aarch64-pc-windows-msvc")
  cargo:rerun-if-env-changed=CC_aarch64-pc-windows-msvc
  CC_aarch64-pc-windows-msvc = None
  cargo:rerun-if-env-changed=CC_aarch64_pc_windows_msvc
  CC_aarch64_pc_windows_msvc = None
  cargo:rerun-if-env-changed=HOST_CC
  HOST_CC = None
  cargo:rerun-if-env-changed=CC
  CC = None
  cargo:rerun-if-env-changed=CFLAGS_aarch64-pc-windows-msvc
  CFLAGS_aarch64-pc-windows-msvc = None
  cargo:rerun-if-env-changed=CFLAGS_aarch64_pc_windows_msvc
  CFLAGS_aarch64_pc_windows_msvc = None
  cargo:rerun-if-env-changed=HOST_CFLAGS
  HOST_CFLAGS = None
  cargo:rerun-if-env-changed=CFLAGS
  CFLAGS = None
  cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
  CRATE_CC_NO_DEFAULTS = None
  CARGO_CFG_TARGET_FEATURE = Some("neon")
  DEBUG = Some("true")
  montgomery.c
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\internal.h(191): error C2065: 'BN_ULLONG': undeclared identifier
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\internal.h(191): error C2146: syntax error: missing ';' before identifier 'result'
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\internal.h(191): warning C4555: result of expression not used
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\internal.h(191): error C2065: 'result': undeclared identifier
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\internal.h(191): error C2146: syntax error: missing ';' before identifier 'a'
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\internal.h(191): warning C4552: '*': result of expression not used
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\internal.h(192): error C2065: 'result': undeclared identifier
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\internal.h(193): error C2065: 'result': undeclared identifier
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\internal.h(193): warning C4293: '>>': shift count negative or too big, undefined behavior
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\../../limbs/limbs.inl(38): warning C4163: '_addcarry_u64': not available as an intrinsic function
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\../../limbs/limbs.inl(38): warning C4163: '_subborrow_u64': not available as an intrinsic function
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\../../limbs/limbs.inl(62): warning C4013: '_addcarry_u64' undefined; assuming extern returning int
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\../../limbs/limbs.inl(62): warning C4242: '=': conversion from 'int' to 'Carry', possible loss of data
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\../../limbs/limbs.inl(76): warning C4242: '=': conversion from 'int' to 'Carry', possible loss of data
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\../../limbs/limbs.inl(92): warning C4013: '_subborrow_u64' undefined; assuming extern returning int
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\../../limbs/limbs.inl(92): warning C4242: '=': conversion from 'int' to 'Carry', possible loss of data
  $HOME\.cargo\registry\src\github.com-1ecc6299db9ec823\ring-0.16.20\crypto\fipsmodule\bn\../../limbs/limbs.inl(106): warning C4242: '=': conversion from 'int' to 'Carry', possible loss of data

help wanted

opened by ssg 1