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cosmos-sdk/x/upgrade/spec/04_client.md
Robert Zaremba 479485f95d
style: lint go and markdown (#10060) 
## Description

+ fixing `x/bank/migrations/v44.migrateDenomMetadata` - we could potentially put a wrong data in a new key if the old keys have variable length.
+ linting the code

Putting in the same PR because i found the issue when running a linter.

Depends on: #10112

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [x] added `!` to the type prefix if API or client breaking change
- [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [x] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)
2021-10-30 13:43:04 +00:00

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Client

CLI

A user can query and interact with the upgrade module using the CLI.

Query

The query commands allow users to query upgrade state.

simd query upgrade --help

applied

The applied command allows users to query the block header for height at which a completed upgrade was applied.

simd query upgrade applied [upgrade-name] [flags]

If upgrade-name was previously executed on the chain, this returns the header for the block at which it was applied. This helps a client determine which binary was valid over a given range of blocks, as well as more context to understand past migrations.

Example:

simd query upgrade applied "test-upgrade"

Example Output:

"block_id": {
    "hash": "A769136351786B9034A5F196DC53F7E50FCEB53B48FA0786E1BFC45A0BB646B5",
    "parts": {
      "total": 1,
      "hash": "B13CBD23011C7480E6F11BE4594EE316548648E6A666B3575409F8F16EC6939E"
    }
  },
  "block_size": "7213",
  "header": {
    "version": {
      "block": "11"
    },
    "chain_id": "testnet-2",
    "height": "455200",
    "time": "2021-04-10T04:37:57.085493838Z",
    "last_block_id": {
      "hash": "0E8AD9309C2DC411DF98217AF59E044A0E1CCEAE7C0338417A70338DF50F4783",
      "parts": {
        "total": 1,
        "hash": "8FE572A48CD10BC2CBB02653CA04CA247A0F6830FF19DC972F64D339A355E77D"
      }
    },
    "last_commit_hash": "DE890239416A19E6164C2076B837CC1D7F7822FC214F305616725F11D2533140",
    "data_hash": "E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855",
    "validators_hash": "A31047ADE54AE9072EE2A12FF260A8990BA4C39F903EAF5636B50D58DBA72582",
    "next_validators_hash": "A31047ADE54AE9072EE2A12FF260A8990BA4C39F903EAF5636B50D58DBA72582",
    "consensus_hash": "048091BC7DDC283F77BFBF91D73C44DA58C3DF8A9CBC867405D8B7F3DAADA22F",
    "app_hash": "28ECC486AFC332BA6CC976706DBDE87E7D32441375E3F10FD084CD4BAF0DA021",
    "last_results_hash": "E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855",
    "evidence_hash": "E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855",
    "proposer_address": "2ABC4854B1A1C5AA8403C4EA853A81ACA901CC76"
  },
  "num_txs": "0"
}

module versions

The module_versions command gets a list of module names and their respective consensus versions.

Following the command with a specific module name will return only that module's information.

simd query upgrade module_versions [optional module_name] [flags]

Example:

simd query upgrade module_versions

Example Output:

module_versions:
- name: auth
  version: "2"
- name: authz
  version: "1"
- name: bank
  version: "2"
- name: capability
  version: "1"
- name: crisis
  version: "1"
- name: distribution
  version: "2"
- name: evidence
  version: "1"
- name: feegrant
  version: "1"
- name: genutil
  version: "1"
- name: gov
  version: "2"
- name: ibc
  version: "2"
- name: mint
  version: "1"
- name: params
  version: "1"
- name: slashing
  version: "2"
- name: staking
  version: "2"
- name: transfer
  version: "1"
- name: upgrade
  version: "1"
- name: vesting
  version: "1"

Example:

regen query upgrade module_versions ibc

Example Output:

module_versions:
- name: ibc
  version: "2"

plan

The plan command gets the currently scheduled upgrade plan, if one exists.

regen query upgrade plan [flags]

Example:

simd query upgrade plan

Example Output:

height: "130"
info: ""
name: test-upgrade
time: "0001-01-01T00:00:00Z"
upgraded_client_state: null

REST

A user can query the upgrade module using REST endpoints.

Applied Plan

AppliedPlan queries a previously applied upgrade plan by its name.

/cosmos/upgrade/v1beta1/applied_plan/{name}

Example:

curl -X GET "http://localhost:1317/cosmos/upgrade/v1beta1/applied_plan/v2.0-upgrade" -H "accept: application/json"

Example Output:

{
  "height": "30"
}

Current Plan

CurrentPlan queries the current upgrade plan.

/cosmos/upgrade/v1beta1/current_plan

Example:

curl -X GET "http://localhost:1317/cosmos/upgrade/v1beta1/current_plan" -H "accept: application/json"

Example Output:

{
  "plan": "v2.1-upgrade"
}

Module versions

ModuleVersions queries the list of module versions from state.

/cosmos/upgrade/v1beta1/module_versions

Example:

curl -X GET "http://localhost:1317/cosmos/upgrade/v1beta1/module_versions" -H "accept: application/json"

Example Output:

{
  "module_versions": [
    {
      "name": "auth",
      "version": "2"
    },
    {
      "name": "authz",
      "version": "1"
    },
    {
      "name": "bank",
      "version": "2"
    },
    {
      "name": "capability",
      "version": "1"
    },
    {
      "name": "crisis",
      "version": "1"
    },
    {
      "name": "distribution",
      "version": "2"
    },
    {
      "name": "evidence",
      "version": "1"
    },
    {
      "name": "feegrant",
      "version": "1"
    },
    {
      "name": "genutil",
      "version": "1"
    },
    {
      "name": "gov",
      "version": "2"
    },
    {
      "name": "ibc",
      "version": "2"
    },
    {
      "name": "mint",
      "version": "1"
    },
    {
      "name": "params",
      "version": "1"
    },
    {
      "name": "slashing",
      "version": "2"
    },
    {
      "name": "staking",
      "version": "2"
    },
    {
      "name": "transfer",
      "version": "1"
    },
    {
      "name": "upgrade",
      "version": "1"
    },
    {
      "name": "vesting",
      "version": "1"
    }
  ]
}

gRPC

A user can query the upgrade module using gRPC endpoints.

Applied Plan

AppliedPlan queries a previously applied upgrade plan by its name.

cosmos.upgrade.v1beta1.Query/AppliedPlan

Example:

grpcurl -plaintext \
    -d '{"name":"v2.0-upgrade"}' \
    localhost:9090 \
    cosmos.upgrade.v1beta1.Query/AppliedPlan

Example Output:

{
  "height": "30"
}

Current Plan

CurrentPlan queries the current upgrade plan.

cosmos.upgrade.v1beta1.Query/CurrentPlan

Example:

grpcurl -plaintext localhost:9090 cosmos.slashing.v1beta1.Query/CurrentPlan

Example Output:

{
  "plan": "v2.1-upgrade"
}

Module versions

ModuleVersions queries the list of module versions from state.

cosmos.upgrade.v1beta1.Query/ModuleVersions

Example:

grpcurl -plaintext localhost:9090 cosmos.slashing.v1beta1.Query/ModuleVersions

Example Output:

{
  "module_versions": [
    {
      "name": "auth",
      "version": "2"
    },
    {
      "name": "authz",
      "version": "1"
    },
    {
      "name": "bank",
      "version": "2"
    },
    {
      "name": "capability",
      "version": "1"
    },
    {
      "name": "crisis",
      "version": "1"
    },
    {
      "name": "distribution",
      "version": "2"
    },
    {
      "name": "evidence",
      "version": "1"
    },
    {
      "name": "feegrant",
      "version": "1"
    },
    {
      "name": "genutil",
      "version": "1"
    },
    {
      "name": "gov",
      "version": "2"
    },
    {
      "name": "ibc",
      "version": "2"
    },
    {
      "name": "mint",
      "version": "1"
    },
    {
      "name": "params",
      "version": "1"
    },
    {
      "name": "slashing",
      "version": "2"
    },
    {
      "name": "staking",
      "version": "2"
    },
    {
      "name": "transfer",
      "version": "1"
    },
    {
      "name": "upgrade",
      "version": "1"
    },
    {
      "name": "vesting",
      "version": "1"
    }
  ]
}