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# Proposal to upgrade the ICP ledger canister

Repository: `https://github.com/dfinity/ic.git`

Git hash: `69b755062f5ef0a7d6efc9a127172b46121420c8`

New compressed Wasm hash: `51f4be010f23064137defacd627ffbec024c5133210c68ca3b80ab8f257101d6`

Upgrade args hash: `0fee102bd16b053022b69f2c65fd5e2f41d150ce9c214ac8731cfaf496ebda4e`

Target canister: `ryjl3-tyaaa-aaaaa-aaaba-cai`

Previous ICP ledger proposal: https://dashboard.internetcomputer.org/proposal/137924

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

---

## Motivation
- Trap in case the deprecated ICP ledger `notify` method is called
- Verify fee when generating ICRC-21 consent message
- Add ICRC-21 consent message for legacy ICP `transfer`
- Update `ic-cdk` to `v0.18.6`


## Release Notes

```
git log --format='%C(auto) %h %s' fed75e2a5d21eae03b0ac017582640bc4264bae3..69b755062f5ef0a7d6efc9a127172b46121420c8 -- packages/icrc-ledger-types rs/ledger_suite/icp/ledger/src rs/ledger_suite/icp/src rs/ledger_suite/common/ledger_canister_core/src rs/ledger_suite/common/ledger_core/src
be2471d4de feat(ICP_Ledger): FI-1727: Trap in case the deprecated ICP ledger notify method is called (#5734)
9b0f6b1db3 chore(ICP-Ledger): update ledger version comment (#6458)
f322cac905 fix(Ledgers): verify fee when generating ICRC-21 consent message (#6381)
2651e30c2c feat(ICP-Ledger): FI-1830: consent message for legacy transfer (#6357)
49d659c29d feat: Unify ic-cdk to v0.18.6 (#6264)
00a4c4c360 chore(ICP_Ledger): FI-1778: Clean up burn of anonymous account funds (#6337)
 ```

## Upgrade args

```
git fetch
git checkout 69b755062f5ef0a7d6efc9a127172b46121420c8
didc encode '()' | xxd -r -p | sha256sum
```

## Wasm Verification

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

```
git fetch
git checkout 69b755062f5ef0a7d6efc9a127172b46121420c8
"./ci/container/build-ic.sh" "--canisters"
sha256sum ./artifacts/canisters/ledger-canister_notify-method.wasm.gz
```


Upgrade NNS Canister: ryjl3-tyaaa-aaaaa-aaaba-cai to wasm with hash: 51f4be010f23064137defacd627ffbec024c5133210c68ca3b80ab8f257101d6