Daml.Ledger.Abstractions 0.4.1-preview.1

Prefix Reserved
.NET 10.0 This package targets .NET 10.0. The package is compatible with this framework or higher.
This is a prerelease version of Daml.Ledger.Abstractions. 
dotnet add package Daml.Ledger.Abstractions --version 0.4.1-preview.1
                    


                    

                
NuGet\Install-Package Daml.Ledger.Abstractions -Version 0.4.1-preview.1
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="Daml.Ledger.Abstractions" Version="0.4.1-preview.1" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="Daml.Ledger.Abstractions" Version="0.4.1-preview.1" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="Daml.Ledger.Abstractions" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add Daml.Ledger.Abstractions --version 0.4.1-preview.1
                    


                    

                
#r "nuget: Daml.Ledger.Abstractions, 0.4.1-preview.1"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
#:package Daml.Ledger.Abstractions@0.4.1-preview.1
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=Daml.Ledger.Abstractions&version=0.4.1-preview.1&prerelease
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=Daml.Ledger.Abstractions&version=0.4.1-preview.1&prerelease
                    


                            Install as a Cake Tool

Daml.Ledger.Abstractions

Transport-agnostic abstractions for Daml ledger clients.

ILedgerClient is the composition of three capability interfaces, each covering one slice of ledger interaction:

  • ILedgerWriter — submit commands, create contracts, exercise choices.
  • ILedgerReader — query the participant's ledger end.
  • ILedgerStreamer — subscribe to contract events and active-contract-set snapshots.

A transport implements the split interfaces (and therefore ILedgerClient); a consumer that only needs to read or stream can depend on ILedgerReader or ILedgerStreamer alone. Implementations live in their own transport packages:

  • (planned, not yet published) gRPC client for Canton participants
  • (planned) HTTP REST client for the Daml JSON Ledger API
  • in-memory test fakes for application testing

Derived convenience methods — single-Party overloads, the throwing ExerciseAsync wrappers, and the create-by-exercise helpers (TryCreateOneByExerciseAsync, TryCreateManyByExerciseAsync, and their throwing CreateOneByExerciseAsync/CreateManyByExerciseAsync twins) — live in Daml.Ledger.Abstractions.Extensions and are opt-in via using Daml.Ledger.Abstractions.Extensions;. The capability interfaces stay free of this sugar, so a consumer that only needs the SubmitterInfo-based primitives never has it in scope.

Ledger positions are the LedgerOffset value type, never a raw long.

Generated codegen output (<Choice>Async extensions, projector helpers) references this package — never a transport-specific one — so consumers that only need projectors do not transitively depend on a gRPC stack.

Versioned in lockstep with Daml.Runtime and Daml.Codegen.CSharp.

Interface-only package. Daml.Ledger.Abstractions.Testing.Conformance ships the shared behavioral conformance kit — a transport implementation subclasses it to verify it upholds this package's documented contract (cancellation, unclassified-row surfacing, terminal checkpoint, seeded-row ordering) — beyond that, implementers carry their own contract tests.

Product Compatible and additional computed target framework versions.
.NET net10.0 is compatible.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (45)

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GitHub repositories

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Version Downloads Last Updated
0.4.1-preview.1 275 7/25/2026
0.4.0-preview.3 294 7/19/2026
0.4.0-preview.2 359 7/18/2026
0.4.0-preview.1 284 7/17/2026
0.3.0-preview.1 337 7/4/2026
0.2.0-preview.3 226 7/3/2026
0.2.0-preview.2 229 7/2/2026
0.1.8-preview.5 271 6/24/2026
0.1.8-preview.4 237 6/23/2026
0.1.8-preview.2 464 6/12/2026
0.1.8-preview.1 68 6/11/2026