@divviup/dap NPM

DivviUp Typescript Client

Protocol Versions and Release Branches

The main branch is under continuous development and will usually be partway between DAP and VDAF drafts. divviup-ts uses stable release branches to maintain implementations of different draft versions. Artifacts for some draft version are published from a corresponding release/dap-draft-xy branch. Only supported release branches receive dependency updates and backports.

DAP

Package version	Git branch	Protocol version	Conforms to specification?	Status
N/A	`release-dap-draft-02`	`draft-ietf-ppm-dap-02`	Yes	Unmaintained
N/A	`release-dap-draft-03`	`draft-ietf-ppm-dap-03`	Yes	Unmaintained as of May 22, 2023
`@divviup/dap@0.1`	`release-dap-draft-04`	`draft-ietf-ppm-dap-04`	Yes	Unmaintained as of June 24, 2024
`@divviup/dap@0.7`	`release-dap-draft-07`	`draft-ietf-ppm-dap-07`	Yes	Unmaintained as of June 24, 2024
`@divviup/dap@0.9`	`main`	`draft-ietf-ppm-dap-09`	Yes	Supported

VDAF and Prio3

VDAF Package	Prio3 Package	Git branch	Protocol version	Conforms to specification?	Status
N/A	N/A	`release/dap-draft-03`	`draft-irtf-cfrg-vdaf-03`	Yes	Unmaintained as of May 22, 2023
`@divviup/vdaf@0.1`	`@divviup/prio3@0.1`	`release/dap-draft-04`	`draft-irtf-cfrg-vdaf-05`	Yes	Unmaintained as of June 24, 2024
`@divviup/vdaf@0.7`	`@divviup/prio3@0.7`	`release/dap-draft-07`	`draft-irtf-cfrg-vdaf-07`	Yes	Unmaintained as of June 24, 2024
`@divviup/vdaf@0.8`	`@divviup/prio3@0.8`	`main`	`draft-irtf-cfrg-vdaf-08`	Yes	Supported

Bundling into an npm application

$ npm add @divviup/dap

import Task from "@divviup/dap";

const task = new Task({
  type: "sum",
  bits: 8,
  id: "3XTBHxTtUAtI516GeXZsVIKjBPYVNIYmF94vEBb4jcY",
  leader: "https://dap.api.divviup.org",
  helper: "https://dap.example.com",
  timePrecisionSeconds: 3600,
});

await task.sendMeasurement(42);

CDN URLs

DivviUp publishes bundled and minified builds suitable for use from a script tag. Task will be available on globalThis as divviup.dap.Task.

JsDelivr

<script
    src="https://cdn.jsdelivr.net/npm/@divviup/dap@0.7.0/dist/browser.js"
    crossorigin="anonymous"
    integrity="sha384-vDbUcIcXsbrWLhKwkF/wwM0cnW+5y9fiPA695EnPd58okNZwWuLsR0NF98zzyNkT">
</script>

UNPKG

<script
    src="https://unpkg.com/@divviup/dap@0.7.0/dist/browser.js"
    crossorigin="anonymous"
    integrity="sha384-vDbUcIcXsbrWLhKwkF/wwM0cnW+5y9fiPA695EnPd58okNZwWuLsR0NF98zzyNkT">
</script>

@divviup/common @divviup/prio3 @divviup/vdaf hpke-js

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