• DAML Documentation

Getting started

  • Installing the SDK
    • Setting JAVA_HOME and PATH variables
    • Manually installing the SDK
  • Building Your App
  • App Architecture
  • Your First Feature
  • Testing Your App
  • Cheat Sheet

Writing DAML

  • An introduction to DAML
    • 1 Basic contracts
    • 2 Testing templates using DAML Script
    • 3 Data types
    • 4 Transforming data using choices
    • 5 Adding constraints to a contract
    • 6 Parties and authority
    • 7 Composing choices
    • 8 Working with Dependencies
    • 9 Functional Programming 101
    • 10 Intro to the DAML Standard Library
    • 11 Testing DAML Contracts
  • Language reference docs
    • Overview: template structure
    • Templates
    • Choices
    • Updates
    • Data types
    • Built-in functions
    • Expressions
    • Functions
    • Scenarios
    • File structure
    • Packages
    • Contract keys
  • The standard library
    • Prelude
    • DA.Action
    • DA.Action.State
    • DA.Action.State.Class
    • DA.Assert
    • DA.Bifunctor
    • DA.Date
    • DA.Either
    • DA.Foldable
    • DA.Functor
    • DA.List
    • DA.List.Total
    • DA.Logic
    • DA.Math
    • DA.Monoid
    • DA.Next.Map
    • DA.Next.Set
    • DA.NonEmpty
    • DA.NonEmpty.Types
    • DA.Numeric
    • DA.Optional
    • DA.Optional.Total
    • DA.Record
    • DA.Semigroup
    • DA.Stack
    • DA.Text
    • DA.TextMap
    • DA.Time
    • DA.Traversable
    • DA.Tuple
    • DA.Validation
  • Testing using scenarios
  • Troubleshooting
  • Good design patterns
    • Initiate and Accept
    • Multiple party agreement
    • Delegation
    • Authorization
    • Locking
      • Locking by archiving
      • Locking by state
      • Locking by safekeeping
    • Diagram legends

Building applications

  • Application architecture
  • JavaScript Client Libraries
    • JavaScript Code Generator
    • @daml/react
    • @daml/ledger
    • @daml/types
  • HTTP JSON API Service
    • DAML-LF JSON Encoding
    • Query language
  • DAML Script
    • DAML Script Library
      • Daml.Script
  • DAML REPL
  • Upgrading and Extending DAML applications
    • Extending DAML applications
    • Upgrading DAML applications
    • Automating the Upgrade Process
  • Authorization
  • The Ledger API
    • The Ledger API services
    • gRPC
    • Ledger API Reference
    • How DAML types are translated to protobuf
    • How DAML types are translated to DAML-LF
    • Java bindings
      • Generate Java code from DAML
      • Ping Pong Example
      • Iou Quickstart Tutorial
    • Scala bindings
    • Node.js bindings
    • Creating your own bindings

Deploying to DAML ledgers

  • Overview of DAML ledgers
  • Deploying to a generic DAML ledger
  • DAML Ledger Topologies

Operating DAML

  • DAML Participant pruning

Developer Tools

  • DAML Assistant (daml)
  • DAML Studio
  • DAML Sandbox
  • Navigator
  • DAML codegen

Background concepts

  • Glossary of concepts
  • DAML Ledger Model
    • Structure
    • Integrity
    • Privacy
    • DAML: Defining Contract Models Compactly
  • Identity and Package Management
  • Time
  • Causality and Local Ledgers

Examples

  • Examples

Early Access Features

  • Navigator Console
    • Navigator Database
  • Extractor
  • DAML Integration Kit
    • Ledger API Test Tool
  • DAML Triggers - Off-Ledger Automation in DAML
    • DAML Trigger Library
      • Daml.Trigger
      • Daml.Trigger.Assert
      • Daml.Trigger.LowLevel
  • Visualizing DAML Contracts
  • Trigger Service
  • Ledger Interoperability

DAML Ecosystem

  • DAML Ecosystem Overview
    • Status Definitions
    • Feature and Component Statuses
  • Releases and Versioning
  • Portability, Compatibility, and Support Durations
  • Getting Help
Download as PDF

Developers
Products
Company
Version 
Please enter at least 3 letters.
In This Section
  • @daml/types

@daml/types¶

@daml/types documentation

Previous Next

© Copyright © Copyright 2020 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved. Any unauthorized use, duplication or distribution is strictly prohibited.