DFINITY Foundation

Internet Computer Association

Synapse.vote (formerly ICP Maximalist Network)

Arthur’s Neuron (used to be cycle_dao)

ICDevs.org

CryptoIsGood

Anvil

ICPL.app

Inactive (Request Removal) - The Fools' Court

ysyms

The Accumulators’ Neuron

RawTech Venture

Paul Young

ICPMANUAL

8yeargangDAO

John Wiegley

Isaac Valadez

Krzysztof Żelazko

Always Rejects

Nicolas.ic

Smaug’s Neuron for Retail Investors

# Proposal to Upgrade the ckBTC Minter Canister

Git hash: `3440457faa3b162d9e1877aaad91ce563c964a25`

New compressed Wasm hash: `b13bd609506cafa77c67de36ca4ffeed968d25e32216d6b790f3d47eaf0e8c32`

Target canister: `mqygn-kiaaa-aaaar-qaadq-cai`

Previous ckBTC Minter proposal: https://dashboard.internetcomputer.org/proposal/115473

---

## Motivation

This upgrade improves ckBTC minter's logging and metrics facilities.

# Upgrade args

```
git fetch
git checkout 3440457faa3b162d9e1877aaad91ce563c964a25
cd rs/bitcoin/ckbtc/minter
didc encode -d ckbtc_minter.did -t '(MinterArg)' '(variant { Upgrade = null })'
```

## Release Notes

```
$ git log --format="%C(auto) %h %s" d21c69ba055489905bf801a4aea7145f545c9ff8..3440457faa3b162d9e1877aaad91ce563c964a25 rs/bitcoin/ckbtc/minter

 9c67c146af chore(ckbtc): improve ckBTC minter logging
 b33a4031c8 chore(ckbtc,icrc1): unify "cycle_balance" metric name
 f17c82a14e chore: delete the bitcoin types and test-utils crate
 3df76df9de chore: Remove redundant closures to avoid too many clippy warnings
 97fd9a1f8a fix(cktestbtc): handle old KYT event format
 02914baec4 feat(FI-678) Add fee information endpoints
```

## Wasm Verification

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

```
git fetch
git checkout 3440457faa3b162d9e1877aaad91ce563c964a25
./gitlab-ci/container/build-ic.sh -c
sha256sum ./artifacts/canisters/ic-ckbtc-minter.wasm.gz
```


Upgrade NNS Canister: mqygn-kiaaa-aaaar-qaadq-cai to wasm with hash: b13bd609506cafa77c67de36ca4ffeed968d25e32216d6b790f3d47eaf0e8c32