Documentation

Treasury RBAC V1 An application-specific role-based access-control example built from the Scoped Authorization Grant DAR. It records a payment workflow but does not transfer a token or holding. RolePolicy.daml defines the roles and maps each role to

Experiments Early-stage Daml packages that are not ready for application use. They compile and express a working design, but they have not gone through the review, interface, and upgrade decisions that a released component under packages/ must satisfy. > [!WARNING] > Do not depend on anything in

Daml contract source - OpenZeppelin/canton-contracts/packages/access/scoped-authorization-grant-v1/daml/OpenZeppelin/ScopedAuthorizationGrantV1.daml -- | A resource-scoped authorization credential for Canton applications. -- Protected choices bind the actor as controller and derive requireme

Daml contract source - OpenZeppelin/canton-contracts/packages/access/scoped-authorization-grant-v1/daml/OpenZeppelin/ScopedAuthorizationGrantV1/Internal.daml -- | Implementation details for OpenZeppelin.ScopedAuthorizationGrantV1. module OpenZeppelin.ScopedAuthorizationGrantV1.Internal where

Scoped Authorization Grant V1 An authority issues a grant allowing another party to perform a specific operation on a resource. Application choices validate the grant against their own trusted policy. Grants can expire, be revoked by the authority, or be renounced by the grantee. | Field | Value |

Packages OpenZeppelin Daml components for Canton smart contract development. Every directory under a category is one Daml package and one DAR. Category directories are navigation only and never appear in a package name or module namespace. Contents | Package | Description | |---------|---------

Daml contract source - OpenZeppelin/canton-contracts/packages/security/api-pausable-v1/daml/OpenZeppelin/Api/PausableV1.daml -- | OpenZeppelin Pausable - the interface for an emergency-stop switch on a -- Daml template. -- -- The implementing template holds a paused flag and declares an --

Pausable API V1 A frozen Daml interface that gives a template an emergency-stop switch. | Field | Value | |---|---| | Package | openzeppelin-api-pausable-v1 | | Public module | OpenZeppelin.Api.PausableV1 | | Version | 0.1.0 | | Status | Pre-release; unaudited | What it provides - Pausab

Daml contract source - OpenZeppelin/canton-contracts/packages/security/pausable-v1/daml/OpenZeppelin/PausableV1.daml -- | OpenZeppelin Pausable - the guards and failure statuses for the -- Pausable interface in OpenZeppelin.Api.PausableV1. -- -- Gated choices call whenNotPaused this. T

Daml contract source - OpenZeppelin/canton-contracts/packages/security/pausable-v1/daml/OpenZeppelin/PausableV1/Internal.daml -- | Internal helpers for OpenZeppelin.PausableV1. module OpenZeppelin.PausableV1.Internal where import DA.Fail (FailureCategory, FailureStatus (..)) import qualifi

Pausable V1 The guards and failure statuses for the Pausable interface in openzeppelin-api-pausable-v1. | Field | Value | |---|---| | Package | openzeppelin-pausable-v1 | | Public module | OpenZeppelin.PausableV1 | | Version | 0.1.0 | | Depends on | openzeppelin-a

Daml contract source - OpenZeppelin/canton-contracts/packages/token/token-cip112-types-v1/daml/OpenZeppelin/Token/Cip112/TypesV1.daml -- | The records a CIP-0112 registry's templates store: the rules contract's -- configuration and the payloads of pending transfer instructions and -- allocat

Token CIP-0112 V1 types The records a CIP-0112 (Token Standard V2) registry's templates store. | Field | Value | |---|---| | Package | openzeppelin-token-cip112-types-v1 | | Public module | OpenZeppelin.Token.Cip112.TypesV1 | | Version | 0.1.0 | | Status | Pre-release; unaudited | What it

Daml contract source - OpenZeppelin/canton-contracts/packages/token/token-cip112-utils/daml/OpenZeppelin/Token/Cip112/Utils/Allocation.daml -- Copyright (c) 2026 OpenZeppelin -- Copyright (c) 2024 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved. -- SPDX-License-Id

Daml contract source - OpenZeppelin/canton-contracts/packages/token/token-cip112-utils/daml/OpenZeppelin/Token/Cip112/Utils/Holding.daml -- Copyright (c) 2026 OpenZeppelin -- Copyright (c) 2024 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved. -- SPDX-License-Ident

Daml contract source - OpenZeppelin/canton-contracts/packages/token/token-cip112-utils/daml/OpenZeppelin/Token/Cip112/Utils/Registry.daml -- | Registry workflow: the settlement-factory body and the admin mint and -- cleanup operations a rules contract exposes as choices. module OpenZeppelin.

Daml contract source - OpenZeppelin/canton-contracts/packages/token/token-cip112-utils/daml/OpenZeppelin/Token/Cip112/Utils/Transfer.daml -- Copyright (c) 2026 OpenZeppelin -- Copyright (c) 2024 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved. -- SPDX-License-Iden

Token CIP-0112 utils The choice bodies of a CIP-0112 (Token Standard V2) registry as plain functions, with every template decision left to the caller. | Field | Value | |---|---| | Package | openzeppelin-token-cip112-utils | | Public modules | OpenZeppelin.Token.Cip112.Utils.Holding, .Transfe

Daml contract source - OpenZeppelin/canton-contracts/packages/token/token-cip112-v1/daml/OpenZeppelin/Token/Cip112/V1/Allocation.daml -- | The default allocation template: an AllocationState payload whose -- choices delegate to the utils package. module OpenZeppelin.Token.Cip112.V1.Allocat

Daml contract source - OpenZeppelin/canton-contracts/packages/token/token-cip112-v1/daml/OpenZeppelin/Token/Cip112/V1/Base.daml -- | The event-log host shared by the default templates. module OpenZeppelin.Token.Cip112.V1.Base where import Splice.Api.Token.MetadataV1 import Splice.Api.Token.T

Daml contract source - OpenZeppelin/canton-contracts/packages/token/token-cip112-v1/daml/OpenZeppelin/Token/Cip112/V1/Holding.daml -- Copyright (c) 2026 OpenZeppelin -- Copyright (c) 2024 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved. -- SPDX-License-Identifier:

Daml contract source - OpenZeppelin/canton-contracts/packages/token/token-cip112-v1/daml/OpenZeppelin/Token/Cip112/V1/Registry.daml -- Copyright (c) 2026 OpenZeppelin -- Copyright (c) 2024 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved. -- SPDX-License-Identifier

Daml contract source - OpenZeppelin/canton-contracts/packages/token/token-cip112-v1/daml/OpenZeppelin/Token/Cip112/V1/Transfer.daml -- | The default transfer-instruction template: a TransferInstructionState -- payload whose choices delegate to the utils package. module OpenZeppelin.Token.C

Integration guide How to deploy openzeppelin-token-cip112-v1, together with the openzeppelin-token-cip112-types-v1 and openzeppelin-token-cip112-utils packages it depends on, across participants and drive it from wallets and settlement apps. Adoption basics — build, dependency, module import

Token CIP-0112 V1 A CIP-0112-compliant token implementation built against the Token Standard V2 (TSv2) interfaces. It provides holdings, transfer instructions, allocations, registry rules, and event logging as ready-to-use templates. The templates store the records of openzeppelin-token-cip112-ty

OpenZeppelin Contracts for Canton [![Choice Coverage](https://github.com/OpenZeppelin/canton-contracts/actions/workflows/test.yml/

Releasing packages The release process will be defined and validated as part of preparing the first package release. It will cover package versioning, validation, DAR publication and provenance, compatibility or migration evidence, and operator guidance. License files A DAR has no place for lic

Security policy Security response OpenZeppelin publishes source code and versioned DAR artifacts, but does not operate or control adopter participant nodes. When a vulnerability is identified, OpenZeppelin will investigate affected package IDs, publish a corrected release where technically poss

Daml contract source - OpenZeppelin/canton-contracts/test/api-pausable-v1-test/daml/OpenZeppelin/Api/PausableV1Test.daml -- | Tests for OpenZeppelin.Api.PausableV1: the view, read through the -- interface with no dependency on the function package. module OpenZeppelin.Api.PausableV1Test wh

Daml contract source - OpenZeppelin/canton-contracts/test/api-pausable-v1-test/daml/OpenZeppelin/Api/PausableV1TestFixtures.daml -- | Consumer fixture: a template that implements Pausable and flips its own -- flag, with no dependency on the function package. module OpenZeppelin.Api.Pausabl