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+# Decentagram: Highly-Available Decentralized Publish/Subscribe Systems
+
+This is the archival repository for the source code of Decentagram submitted to
+Artifact Evaluation (AE) of DSN 2024.
+The repository with DOI assigned made for the AE submission is available at:
+[https://doi.org/10.5281/zenodo.10224298](https://doi.org/10.5281/zenodo.10224298)
+
+Please note that this is an archival repository.
+Therefore, the source code stored **here is not being actively maintained**.
+**For links to the actively maintained repositories, please read below**.
+
+## Directory Structure
+
+- `cameraready.pdf`: This is the paper associated with this work
+- `artifact-eval-steps.pdf`: This document lists the steps to run AE
+- `pubsub-onchain`
+  - Actively maintained repository:
+    [https://github.com/lsd-ucsc/decent-pubsub-onchain](https://github.com/lsd-ucsc/decent-pubsub-onchain)
+  - This directory contains the source code for the Publisher, Subscriber, and Broker contracts.
+- `revoker-onchain`
+  - Actively maintained repository:
+    [https://github.com/lsd-ucsc/decent-revoker-onchain](https://github.com/lsd-ucsc/decent-revoker-onchain)
+  - This directory contains the source code for the revoker contracts.
+- `Ethereum`
+  - Actively maintained repository:
+    [https://github.com/lsd-ucsc/DecentEthereum](https://github.com/lsd-ucsc/DecentEthereum)
+  - This directory contains the source code for the Ethereum client,
+    which acts as an off-chain broker introduced in our paper.
+- `Revoker`
+  - Actively maintained repository:
+    [https://github.com/lsd-ucsc/DecentRevoker](https://github.com/lsd-ucsc/DecentRevoker)
+  - This directory contains the source code for the off-chain revocation list
+    monitor.
+- `libs` contains all the libraries needed to compile the programs and contracts.
+  It also contains helper programs to deploy contracts on the EVM-compatible
+  networks.
+  Here, we will be highlighting some of the important libraries:
+  - `ra-onchain`:
+    - Actively maintained repository:
+      [https://github.com/lsd-ucsc/decent-ra-onchain](https://github.com/lsd-ucsc/decent-ra-onchain)
+    - This library contains the smart contracts for on-chain parsing and
+      verification of the Decent Self-Attestation certificates generated by
+      enclaves.
+  - `PyEthHelper` and `PyEthHelper2`:
+    - Actively maintained repository:
+      [https://github.com/lsd-ucsc/PyEthHelper](https://github.com/lsd-ucsc/PyEthHelper)
+    - This is the helper program that interacts with the Ethereum network via
+      JSON-RPC over HTTP.
+      It is used to deploy contracts, send transactions, and call contract
+      functions.
+