5bde3686c4
## Description Closes: #577 This pull request contains `Canceling unbonding delegation entry` and `delegate back to previous validator` ### `Msg` Service ```protobuf= package cosmos.staking.v1beta1; service Msg { // CancelUnbondingDelegation rpc CancelUnbondingDelegation(MsgCancelUnbondingDelegation) returns (MsgCancelUnbondingDelegationResponse); } // MsgCancelUnbondingDelegation message MsgCancelUnbondingDelegation { option (gogoproto.equal) = false; option (gogoproto.goproto_getters) = false; string delegator_address = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"]; string validator_address = 2 [(cosmos_proto.scalar) = "cosmos.AddressString"]; cosmos.base.v1beta1.Coin amount = 3 [(gogoproto.nullable) = false]; // creation_height is the height which the unbonding took place. int64 creation_height = 4; } // MsgCancelUnbondingDelegationResponse message MsgCancelUnbondingDelegationResponse{ } ``` ### `Msg` Method Implementation ```go= func (k msgServer) CancelUnbondingDelegation(goCtx context.Context, msg *types.MsgCancelUnbondingDelegation) (*types.MsgCancelUnbondingDelegationResponse, error) { /* // checking the unbonding delegation at creation_height // get the unbonding delegations of delegatorAddress if ubdEntry balance is equal to msg.Amount remove the entry from ubd else update the specific entry with new balance if len(ubd.Entries) == 0 { k.RemoveUnbondingDelegation(ctx, ubd) } else { k.SetUnbondingDelegation(ctx, ubd) } */ // update the delegation back to validator // get validator validator, found := k.GetValidator(ctx, valAddr) if !found { return nil, types.ErrNoValidatorFound } // delegate the unbonding amount to validator back _, err = k.Keeper.Delegate(ctx, delegatorAddress, msg.Amount.Amount, types.Unbonding, validator, false) if err != nil { return nil, err } _, err := ms.Keeper.CancelUnbondingDelegation(ctx,delegatorAddress,validatorAddress,amount,creation_height) if err != nil { return nil, err } return &types.MsgCancelUnbondingDelegationResponse{}, nil } ``` #### `cli tx` Method ```bash= simd tx staking cancel-unbond [validator-address] [amount] [creation_height] --from [user] --chain-id [chain-id] Example: simd tx staking cancel-unbond cosmosvaloper1mqtyv4qux68r26mql2hjhgrvz72snjwpulq22m 100000stake 10280 --from test1 --chain-id test-chain ``` --- ### 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... - [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title - [ ] added `!` to the type prefix if API or client breaking change - [ ] 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 - [ ] 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) |
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Cosmos SDK
The Cosmos SDK is a framework for building blockchain applications. Tendermint Core (BFT Consensus) and the Cosmos SDK are written in the Golang programming language. Cosmos SDK is used to build Gaia, the first implementation of the Cosmos Hub.
WARNING: The Cosmos SDK has mostly stabilized, but we are still making some breaking changes.
Note: Requires Go 1.17+
Quick Start
To learn how the Cosmos SDK works from a high-level perspective, see the Cosmos SDK High-Level Intro.
If you want to get started quickly and learn how to build on top of Cosmos SDK, visit Cosmos SDK Tutorials. You can also fork the tutorial's repository to get started building your own Cosmos SDK application.
For more information, see the Cosmos SDK Documentation.
Contributing
See CONTRIBUTING.md for details how to contribute and participate in our dev calls. If you want to follow the updates or learn more about the latest design then join our Discord.
Tools and Frameworks
The Cosmos ecosystem is vast. We will only make a few notable mentions here.
- Tools: notable frameworks and modules.
- CosmJS: the Swiss Army knife to power JavaScript based client solutions.
Cosmos Hub Mainnet
The Cosmos Hub application, gaia, has moved to its own cosmos/gaia repository. Go there to join the Cosmos Hub mainnet and more.
Inter-Blockchain Communication (IBC)
The IBC module for the Cosmos SDK has moved to its own cosmos/ibc-go repository. Go there to build and integrate with the IBC module.
Starport
Starport is the all-in-one platform to build, launch, and maintain any crypto application on a sovereign and secured blockchain. If you are building a new app or a new module, use Starport to get started and speed up development.
Disambiguation
This Cosmos SDK project is not related to the React-Cosmos project (yet). Many thanks to Evan Coury and Ovidiu (@skidding) for this Github organization name. As per our agreement, this disambiguation notice will stay here.