Release/v0.5.x

[yun-yeo]

Summary of changes

Improvements

• bump sdk version to 0.43 and ibc-go version to 1.0.0 #529 Bump SDK to v0.43.0 and ibc-go to v1.0.0.
• [Bump] sdk version to v0.43.0-rc0 #507 Bump SDK to v0.43.0-rc0.
• [Bump] sdk version to v0.43.0-rc0 #507 Bump Tendermint to v0.34.11.
• [Bump] cosmwasm to v0.15.1 #509 Bump cosmwasm to v0.15.1.
• Bump cosmwasm to v0.14.x #465 [Feature] Bump cosmwasm to v0.14.0 #472 Bump cosmwasm to v0.14.0.
• [Feature] RewardWeight migration script update to burn all seigniorage #477 Burn reward_weight ratio of seigniorage instead of redirecting to oracle rewards
• 260b41a Redirect swap fees to oracle rewards (distributed over 3 years)
• Bump golang prerequisite from 1.15 to 1.16.

Bug Fixes

• [Bugfix] Return BASE/QUOTE exchange rate #497 Fix wasm oracle querier to return Base/Quote exchange rate

API Breaking Changes

Cosmos side breaking changes: here
Wallet Migration Guide: here
Contract Migration Guide: here

• [GET] /auth/accounts/{address} does not return account coins
• [POST] /txs/estimate_fee request and response format changed

Request (BaseReq + []sdk.Msg)
{
   "base_req":{
      "from":"terra1wg2mlrxdmnnkkykgqg4znky86nyrtc45q336yv",
      "memo":"Sent via Terra Station 🚀",
      "chain_id":"columbus-3",
      "account_number":"0",
      "sequence":"1",
      "gas":"200000",
      "gas_adjustment":"1.2",
      "fees":[
         {
            "denom":"uluna",
            "amount":"50"
         }
      ],
      "simulate":false
   },
   "msgs":[
      {
         "type":"bank/MsgSend",
         "value":{
            "from_address":"terra1wg2mlrxdmnnkkykgqg4znky86nyrtc45q336yv",
            "to_address":"terra14u47f8ufn2agqlpdpnfvcd2782zgnus9nslmfc",
            "amount":[
               {
                  "denom":"ukrw",
                  "amount":"10000000"
               }
            ]
         }
      }
   ]
}

Response (StdFee)
{
  "fee": {
    "gas": "string",
    "amount": [
      {
        "denom": "uluna",
        "amount": "50"
      }
    ]
  }
}

• [GET] /market/terra_pool_delta removed, /market/mint_pool_delta & /market/burn_pool_delta added
• [POST] /wasm/codes/{codeID}/migrate added for code migration
• [POST] /wasm/codes/{codeID} request optionally specify admin field to make the contract as migratable
• [GET] /wasm/contracts/{contractAddress} response format changed
  admin field replace migratable flag

{
  "code_id": "string",
  "address": "terra1wg2mlrxdmnnkkykgqg4znky86nyrtc45q336yv",
  "creator": "terra1wg2mlrxdmnnkkykgqg4znky86nyrtc45q336yv",
  "admin": "terra1wg2mlrxdmnnkkykgqg4znky86nyrtc45q336yv",
  "init_msg": "string"
}

Codec Changes

• Added messages
  • wasm/MsgMigrateCode
  • wasm/MsgUpdateContractAdmin
  • wasm/MsgClearContractAdmin
  • feegrant/MsgGrantAllowance
  • feegrant/MsgRevokeAllowance
• Removed messages
  • wasm/MsgUpdateContractOwner
• Added Interfaces
  • feegrant/BasicAllowance
  • feegrant/PeriodicAllowance
  • feegrant/AllowedMsgAllowance
  • msgauth/StakeAuthorization

Param subspace changes

All terra module params now has camel case param subspace

• Market
  • poolrecoveryperiod -> PoolRecoveryPeriod
  • minstabilityspread -> MinStabilitySpread
  • +MintBasePool
  • +BurnBasePool
• Oracle
  • voteperiod -> VotePeriod
  • votethreshold -> VoteThreshold
  • rewardband -> RewardBand
  • rewarddistributionwindow -> RewardDistributionWindow
  • whitelist -> Whitelist
  • slashfraction -> SlashFraction
  • slashwindow -> SlashWindow
  • minvalidperwindow -> MinValidPerWindow
• Treasury
  • taxpolicy -> TaxPolicy
  • rewardpolicy -> RewardPolicy
  • seigniorageburdentarget -> SeigniorageBurdenTarget
  • miningincrement -> MiningIncrement
  • windowshort -> WindowShort
  • windowlong -> WindowLong
  • windowprobation -> WindowProbation

Message Changes

• MsgInstantiateContract
  • InitMsg format changed from base64 to json.RawMessage, so the developers need to pass object not base64 encoded string.
  • Migratable removed
  • Owner split into Sender and Admin. Admin is optional field to specify migratable flag and the executor of the migration.
• MsgExecuteContract
  • ExecuteMsg format changed from base64 to json.RawMessage, so the developers need to pass object not base64 encoded string.
• MsgMigrateContract
  • MigrateMsg format changed from base64 to json.RawMessage, so the developers need to pass object not base64 encoded string.
• MsgGrantAuthorization => MsgGrant
  • Authorization and Period merged into Grant.
  • Period renamed to Expiration and format changed from time.Duration to time.Time.
• MsgRevokeAuthorization => MsgRevoke
  • AuthorizationMsgType renamed to MsgTypeUrl
• MsgExecAuthorization => MsgExec
• GenericAuthorization
  • GrantMsgType renamed Msg and it represents proto type url
• MsgVoteWeighted
  • new governance message to submit weighted vote

Report of required housekeeping

• Github issue OR spec proposal link
• Wrote tests
• Updated API documentation (client/lcd/swagger-ui/swagger.yaml)
• Added a relevant changelog entry: clog add [section] [stanza] [message]

---

(FOR ADMIN) Before merging

• Added appropriate labels to PR
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)
• Confirm added tests are consistent with the intended behavior of changes
• Ensure all tests pass

[codecov]

Codecov Report

Merging #468 (ff7e121) into master (8dd3b35) will decrease coverage by 21.34%.
The diff coverage is 25.72%.

❗ Current head ff7e121 differs from pull request most recent head 57ff045. Consider uploading reports for the commit 57ff045 to get more accurate results

@@             Coverage Diff             @@
##           master     #468       +/-   ##
===========================================
- Coverage   66.19%   44.85%   -21.35%     
===========================================
  Files         116      118        +2     
  Lines        5887     6822      +935     
===========================================
- Hits         3897     3060      -837     
- Misses       1771     3526     +1755     
- Partials      219      236       +17     

Impacted Files	Coverage Δ
app/encoding.go	0.00% <0.00%> (ø)
app/export.go	0.00% <0.00%> (-28.83%)	⬇️
app/genesis.go	0.00% <0.00%> (ø)
app/app.go	0.67% <0.75%> (-86.77%)	⬇️
custom/staking/wasm/interface.go	16.35% <16.35%> (ø)
custom/bank/wasm/interface.go	31.25% <31.25%> (ø)
custom/auth/ante/ante.go	58.62% <58.62%> (ø)
custom/authz/legacy/v043/migrate.go	68.96% <68.96%> (ø)
custom/auth/ante/spamming_prevention.go	70.83% <70.83%> (ø)
custom/distribution/wasm/interface.go	72.72% <72.72%> (ø)
... and 217 more