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# Proposal to upgrade the cycles ledger canister

Repository: `https://github.com/dfinity/cycles-ledger.git`

Git hash: `29d98de5131918649a4c1cdd47fc176dea8770ef`

New compressed Wasm hash: `ed99402535bb4f58e4ab469acc40c903f2fdeea409be16623d5c6a9131cbf120`

Upgrade args hash: `0fee102bd16b053022b69f2c65fd5e2f41d150ce9c214ac8731cfaf496ebda4e`

Target canister: `um5iw-rqaaa-aaaaq-qaaba-cai`

Previous cycles ledger proposal: https://dashboard.internetcomputer.org/proposal/137155

Forum discussion: https://forum.dfinity.org/t/nns-updates-aggregation-thread/23551

---

## Motivation
* Add support for `initial_balances` in `InitArgs`.
* Allow the anonymous principal to receive, approve, and transfer tokens.
* Added support for ICRC-106.


## Release Notes

```
git log --format='%C(auto) %h %s' 93f5c0f5779e31673786c83aa50ff2bbf9650162..29d98de5131918649a4c1cdd47fc176dea8770ef --
29d98de chore: Release v1.0.6 (#165)
5cf55b4 test: FI-1809: Add index test (#159)
a965a7e chore: FI-1859: Migrate StateMachine tests to PocketIC (#166)
fed4077 chore(license): removes modified boilerplate from license file (#164)
77756f6 feat: FI-1801: Add ICRC-106 support (#160)
65312d9 feat: allow anonymous to approve and transfer tokens (#163)
136a7dc feat: specify initial balances (#162)
bb91ea3 Fix the deposit docs in the README, since a transfer fee is in fact charged (#161)
6aaf0cb Bump ubuntu from 20.04 to 24.04 in the Dockerfile (#158)
 ```

## Upgrade args

```
git fetch
git checkout 29d98de5131918649a4c1cdd47fc176dea8770ef
didc encode '()' | xxd -r -p | sha256sum
```

## Wasm Verification

Verify that the hash of the gzipped WASM matches the proposed hash.

```
git fetch
git checkout 29d98de5131918649a4c1cdd47fc176dea8770ef
"./scripts/docker-build"
sha256sum ./cycles-ledger.wasm.gz
```


Upgrade NNS Canister: um5iw-rqaaa-aaaaq-qaaba-cai to wasm with hash: ed99402535bb4f58e4ab469acc40c903f2fdeea409be16623d5c6a9131cbf120