feat!: add error handling to staking hooks (#9571)
<!-- The default pull request template is for types feat, fix, or refactor. For other templates, add one of the following parameters to the url: - template=docs.md - template=other.md --> ## Description - Adds error handling for staking hooks <!-- Add a description of the changes that this PR introduces and the files that are the most critical to review. --> --- ### 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 - [ ] 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) - [x] 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)
This commit is contained in:
Federico Kunze Küllmer
+10
-5
@@ -2,7 +2,6 @@ package staking
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import (
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"fmt"
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"log"
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abci "github.com/tendermint/tendermint/abci/types"
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tmtypes "github.com/tendermint/tendermint/types"
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@@ -44,7 +43,9 @@ func InitGenesis(
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// Call the creation hook if not exported
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if !data.Exported {
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keeper.AfterValidatorCreated(ctx, validator.GetOperator())
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if err := keeper.AfterValidatorCreated(ctx, validator.GetOperator()); err != nil {
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panic(err)
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}
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}
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// update timeslice if necessary
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@@ -70,13 +71,17 @@ func InitGenesis(
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// Call the before-creation hook if not exported
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if !data.Exported {
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keeper.BeforeDelegationCreated(ctx, delegatorAddress, delegation.GetValidatorAddr())
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if err := keeper.BeforeDelegationCreated(ctx, delegatorAddress, delegation.GetValidatorAddr()); err != nil {
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panic(err)
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}
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}
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keeper.SetDelegation(ctx, delegation)
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// Call the after-modification hook if not exported
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if !data.Exported {
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keeper.AfterDelegationModified(ctx, delegatorAddress, delegation.GetValidatorAddr())
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if err := keeper.AfterDelegationModified(ctx, delegatorAddress, delegation.GetValidatorAddr()); err != nil {
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panic(err)
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}
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}
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}
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@@ -149,7 +154,7 @@ func InitGenesis(
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var err error
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res, err = keeper.ApplyAndReturnValidatorSetUpdates(ctx)
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if err != nil {
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log.Fatal(err)
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panic(err)
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}
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}
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@@ -101,15 +101,19 @@ func (k Keeper) SetDelegation(ctx sdk.Context, delegation types.Delegation) {
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}
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// remove a delegation
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func (k Keeper) RemoveDelegation(ctx sdk.Context, delegation types.Delegation) {
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func (k Keeper) RemoveDelegation(ctx sdk.Context, delegation types.Delegation) error {
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delegatorAddress, err := sdk.AccAddressFromBech32(delegation.DelegatorAddress)
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if err != nil {
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panic(err)
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}
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// TODO: Consider calling hooks outside of the store wrapper functions, it's unobvious.
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k.BeforeDelegationRemoved(ctx, delegatorAddress, delegation.GetValidatorAddr())
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if err := k.BeforeDelegationRemoved(ctx, delegatorAddress, delegation.GetValidatorAddr()); err != nil {
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return err
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}
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store := ctx.KVStore(k.storeKey)
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store.Delete(types.GetDelegationKey(delegatorAddress, delegation.GetValidatorAddr()))
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return nil
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}
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// return a given amount of all the delegator unbonding-delegations
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@@ -563,9 +567,13 @@ func (k Keeper) Delegate(
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// call the appropriate hook if present
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if found {
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k.BeforeDelegationSharesModified(ctx, delAddr, validator.GetOperator())
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err = k.BeforeDelegationSharesModified(ctx, delAddr, validator.GetOperator())
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} else {
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k.BeforeDelegationCreated(ctx, delAddr, validator.GetOperator())
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err = k.BeforeDelegationCreated(ctx, delAddr, validator.GetOperator())
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}
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if err != nil {
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return sdk.ZeroDec(), err
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}
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delegatorAddress, err := sdk.AccAddressFromBech32(delegation.DelegatorAddress)
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@@ -621,7 +629,9 @@ func (k Keeper) Delegate(
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k.SetDelegation(ctx, delegation)
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// Call the after-modification hook
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k.AfterDelegationModified(ctx, delegatorAddress, delegation.GetValidatorAddr())
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if err := k.AfterDelegationModified(ctx, delegatorAddress, delegation.GetValidatorAddr()); err != nil {
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return newShares, err
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}
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return newShares, nil
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}
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@@ -637,7 +647,9 @@ func (k Keeper) Unbond(
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}
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// call the before-delegation-modified hook
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k.BeforeDelegationSharesModified(ctx, delAddr, valAddr)
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if err := k.BeforeDelegationSharesModified(ctx, delAddr, valAddr); err != nil {
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return amount, err
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}
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// ensure that we have enough shares to remove
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if delegation.Shares.LT(shares) {
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@@ -670,11 +682,15 @@ func (k Keeper) Unbond(
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// remove the delegation
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if delegation.Shares.IsZero() {
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k.RemoveDelegation(ctx, delegation)
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err = k.RemoveDelegation(ctx, delegation)
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} else {
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k.SetDelegation(ctx, delegation)
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// call the after delegation modification hook
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k.AfterDelegationModified(ctx, delegatorAddress, delegation.GetValidatorAddr())
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err = k.AfterDelegationModified(ctx, delegatorAddress, delegation.GetValidatorAddr())
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}
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if err != nil {
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return amount, err
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}
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// remove the shares and coins from the validator
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+29
-19
@@ -9,71 +9,81 @@ import (
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var _ types.StakingHooks = Keeper{}
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// AfterValidatorCreated - call hook if registered
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func (k Keeper) AfterValidatorCreated(ctx sdk.Context, valAddr sdk.ValAddress) {
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func (k Keeper) AfterValidatorCreated(ctx sdk.Context, valAddr sdk.ValAddress) error {
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if k.hooks != nil {
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k.hooks.AfterValidatorCreated(ctx, valAddr)
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return k.hooks.AfterValidatorCreated(ctx, valAddr)
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}
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return nil
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}
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// BeforeValidatorModified - call hook if registered
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func (k Keeper) BeforeValidatorModified(ctx sdk.Context, valAddr sdk.ValAddress) {
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func (k Keeper) BeforeValidatorModified(ctx sdk.Context, valAddr sdk.ValAddress) error {
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if k.hooks != nil {
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k.hooks.BeforeValidatorModified(ctx, valAddr)
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return k.hooks.BeforeValidatorModified(ctx, valAddr)
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}
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return nil
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}
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// AfterValidatorRemoved - call hook if registered
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func (k Keeper) AfterValidatorRemoved(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) {
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func (k Keeper) AfterValidatorRemoved(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) error {
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if k.hooks != nil {
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k.hooks.AfterValidatorRemoved(ctx, consAddr, valAddr)
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return k.hooks.AfterValidatorRemoved(ctx, consAddr, valAddr)
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}
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return nil
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}
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// AfterValidatorBonded - call hook if registered
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func (k Keeper) AfterValidatorBonded(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) {
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func (k Keeper) AfterValidatorBonded(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) error {
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if k.hooks != nil {
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k.hooks.AfterValidatorBonded(ctx, consAddr, valAddr)
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return k.hooks.AfterValidatorBonded(ctx, consAddr, valAddr)
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}
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return nil
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}
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// AfterValidatorBeginUnbonding - call hook if registered
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func (k Keeper) AfterValidatorBeginUnbonding(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) {
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func (k Keeper) AfterValidatorBeginUnbonding(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) error {
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if k.hooks != nil {
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k.hooks.AfterValidatorBeginUnbonding(ctx, consAddr, valAddr)
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return k.hooks.AfterValidatorBeginUnbonding(ctx, consAddr, valAddr)
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}
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return nil
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}
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// BeforeDelegationCreated - call hook if registered
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func (k Keeper) BeforeDelegationCreated(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
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func (k Keeper) BeforeDelegationCreated(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) error {
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if k.hooks != nil {
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k.hooks.BeforeDelegationCreated(ctx, delAddr, valAddr)
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return k.hooks.BeforeDelegationCreated(ctx, delAddr, valAddr)
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}
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return nil
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}
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// BeforeDelegationSharesModified - call hook if registered
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func (k Keeper) BeforeDelegationSharesModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
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func (k Keeper) BeforeDelegationSharesModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) error {
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if k.hooks != nil {
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k.hooks.BeforeDelegationSharesModified(ctx, delAddr, valAddr)
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return k.hooks.BeforeDelegationSharesModified(ctx, delAddr, valAddr)
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}
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return nil
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}
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// BeforeDelegationRemoved - call hook if registered
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func (k Keeper) BeforeDelegationRemoved(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
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func (k Keeper) BeforeDelegationRemoved(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) error {
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if k.hooks != nil {
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k.hooks.BeforeDelegationRemoved(ctx, delAddr, valAddr)
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}
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return nil
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}
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// AfterDelegationModified - call hook if registered
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func (k Keeper) AfterDelegationModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
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func (k Keeper) AfterDelegationModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) error {
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if k.hooks != nil {
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k.hooks.AfterDelegationModified(ctx, delAddr, valAddr)
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return k.hooks.AfterDelegationModified(ctx, delAddr, valAddr)
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}
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return nil
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}
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// BeforeValidatorSlashed - call hook if registered
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func (k Keeper) BeforeValidatorSlashed(ctx sdk.Context, valAddr sdk.ValAddress, fraction sdk.Dec) {
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func (k Keeper) BeforeValidatorSlashed(ctx sdk.Context, valAddr sdk.ValAddress, fraction sdk.Dec) error {
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if k.hooks != nil {
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k.hooks.BeforeValidatorSlashed(ctx, valAddr, fraction)
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return k.hooks.BeforeValidatorSlashed(ctx, valAddr, fraction)
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}
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return nil
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}
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@@ -96,7 +96,9 @@ func (k msgServer) CreateValidator(goCtx context.Context, msg *types.MsgCreateVa
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k.SetNewValidatorByPowerIndex(ctx, validator)
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// call the after-creation hook
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k.AfterValidatorCreated(ctx, validator.GetOperator())
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if err := k.AfterValidatorCreated(ctx, validator.GetOperator()); err != nil {
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return nil, err
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}
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// move coins from the msg.Address account to a (self-delegation) delegator account
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// the validator account and global shares are updated within here
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@@ -150,7 +152,9 @@ func (k msgServer) EditValidator(goCtx context.Context, msg *types.MsgEditValida
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}
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// call the before-modification hook since we're about to update the commission
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k.BeforeValidatorModified(ctx, valAddr)
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if err := k.BeforeValidatorModified(ctx, valAddr); err != nil {
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return nil, err
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}
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validator.Commission = commission
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}
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@@ -9,19 +9,19 @@ occurred within staking. These events can be registered to execute either
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right `Before` or `After` the staking event (as per the hook name). The
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following hooks can registered with staking:
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- `AfterValidatorCreated(Context, ValAddress)`
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- `AfterValidatorCreated(Context, ValAddress) error`
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- called when a validator is created
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- `BeforeValidatorModified(Context, ValAddress)`
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- `BeforeValidatorModified(Context, ValAddress) error`
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- called when a validator's state is changed
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- `AfterValidatorRemoved(Context, ConsAddress, ValAddress)`
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- `AfterValidatorRemoved(Context, ConsAddress, ValAddress) error`
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- called when a validator is deleted
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- `AfterValidatorBonded(Context, ConsAddress, ValAddress)`
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- `AfterValidatorBonded(Context, ConsAddress, ValAddress) error`
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- called when a validator is bonded
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- `AfterValidatorBeginUnbonding(Context, ConsAddress, ValAddress)`
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- `AfterValidatorBeginUnbonding(Context, ConsAddress, ValAddress) error`
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- called when a validator begins unbonding
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- `BeforeDelegationCreated(Context, AccAddress, ValAddress)`
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- `BeforeDelegationCreated(Context, AccAddress, ValAddress) error`
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- called when a delegation is created
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- `BeforeDelegationSharesModified(Context, AccAddress, ValAddress)`
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- `BeforeDelegationSharesModified(Context, AccAddress, ValAddress) error`
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- called when a delegation's shares are modified
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- `BeforeDelegationRemoved(Context, AccAddress, ValAddress)`
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- `BeforeDelegationRemoved(Context, AccAddress, ValAddress) error`
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- called when a delegation is removed
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@@ -89,16 +89,16 @@ type DelegationSet interface {
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// StakingHooks event hooks for staking validator object (noalias)
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type StakingHooks interface {
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AfterValidatorCreated(ctx sdk.Context, valAddr sdk.ValAddress) // Must be called when a validator is created
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BeforeValidatorModified(ctx sdk.Context, valAddr sdk.ValAddress) // Must be called when a validator's state changes
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AfterValidatorRemoved(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) // Must be called when a validator is deleted
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AfterValidatorCreated(ctx sdk.Context, valAddr sdk.ValAddress) error // Must be called when a validator is created
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BeforeValidatorModified(ctx sdk.Context, valAddr sdk.ValAddress) error // Must be called when a validator's state changes
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AfterValidatorRemoved(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) error // Must be called when a validator is deleted
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AfterValidatorBonded(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) // Must be called when a validator is bonded
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AfterValidatorBeginUnbonding(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) // Must be called when a validator begins unbonding
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AfterValidatorBonded(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) error // Must be called when a validator is bonded
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AfterValidatorBeginUnbonding(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) error // Must be called when a validator begins unbonding
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BeforeDelegationCreated(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) // Must be called when a delegation is created
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BeforeDelegationSharesModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) // Must be called when a delegation's shares are modified
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BeforeDelegationRemoved(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) // Must be called when a delegation is removed
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AfterDelegationModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress)
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BeforeValidatorSlashed(ctx sdk.Context, valAddr sdk.ValAddress, fraction sdk.Dec)
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BeforeDelegationCreated(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) error // Must be called when a delegation is created
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BeforeDelegationSharesModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) error // Must be called when a delegation's shares are modified
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BeforeDelegationRemoved(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) error // Must be called when a delegation is removed
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AfterDelegationModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) error
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BeforeValidatorSlashed(ctx sdk.Context, valAddr sdk.ValAddress, fraction sdk.Dec) error
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}
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+53
-20
@@ -5,59 +5,92 @@ import (
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)
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// combine multiple staking hooks, all hook functions are run in array sequence
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var _ StakingHooks = &MultiStakingHooks{}
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type MultiStakingHooks []StakingHooks
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func NewMultiStakingHooks(hooks ...StakingHooks) MultiStakingHooks {
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return hooks
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}
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func (h MultiStakingHooks) AfterValidatorCreated(ctx sdk.Context, valAddr sdk.ValAddress) {
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func (h MultiStakingHooks) AfterValidatorCreated(ctx sdk.Context, valAddr sdk.ValAddress) error {
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for i := range h {
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h[i].AfterValidatorCreated(ctx, valAddr)
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if err := h[i].AfterValidatorCreated(ctx, valAddr); err != nil {
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return err
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}
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}
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return nil
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}
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func (h MultiStakingHooks) BeforeValidatorModified(ctx sdk.Context, valAddr sdk.ValAddress) {
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func (h MultiStakingHooks) BeforeValidatorModified(ctx sdk.Context, valAddr sdk.ValAddress) error {
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for i := range h {
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h[i].BeforeValidatorModified(ctx, valAddr)
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if err := h[i].BeforeValidatorModified(ctx, valAddr); err != nil {
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return err
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}
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}
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return nil
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}
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func (h MultiStakingHooks) AfterValidatorRemoved(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) {
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func (h MultiStakingHooks) AfterValidatorRemoved(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) error {
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for i := range h {
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h[i].AfterValidatorRemoved(ctx, consAddr, valAddr)
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if err := h[i].AfterValidatorRemoved(ctx, consAddr, valAddr); err != nil {
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return err
|
||||
}
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}
|
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return nil
|
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}
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func (h MultiStakingHooks) AfterValidatorBonded(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) {
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func (h MultiStakingHooks) AfterValidatorBonded(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) error {
|
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for i := range h {
|
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h[i].AfterValidatorBonded(ctx, consAddr, valAddr)
|
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if err := h[i].AfterValidatorBonded(ctx, consAddr, valAddr); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
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func (h MultiStakingHooks) AfterValidatorBeginUnbonding(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) {
|
||||
func (h MultiStakingHooks) AfterValidatorBeginUnbonding(ctx sdk.Context, consAddr sdk.ConsAddress, valAddr sdk.ValAddress) error {
|
||||
for i := range h {
|
||||
h[i].AfterValidatorBeginUnbonding(ctx, consAddr, valAddr)
|
||||
if err := h[i].AfterValidatorBeginUnbonding(ctx, consAddr, valAddr); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
func (h MultiStakingHooks) BeforeDelegationCreated(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
|
||||
func (h MultiStakingHooks) BeforeDelegationCreated(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) error {
|
||||
for i := range h {
|
||||
h[i].BeforeDelegationCreated(ctx, delAddr, valAddr)
|
||||
if err := h[i].BeforeDelegationCreated(ctx, delAddr, valAddr); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
func (h MultiStakingHooks) BeforeDelegationSharesModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
|
||||
func (h MultiStakingHooks) BeforeDelegationSharesModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) error {
|
||||
for i := range h {
|
||||
h[i].BeforeDelegationSharesModified(ctx, delAddr, valAddr)
|
||||
if err := h[i].BeforeDelegationSharesModified(ctx, delAddr, valAddr); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
func (h MultiStakingHooks) BeforeDelegationRemoved(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
|
||||
func (h MultiStakingHooks) BeforeDelegationRemoved(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) error {
|
||||
for i := range h {
|
||||
h[i].BeforeDelegationRemoved(ctx, delAddr, valAddr)
|
||||
if err := h[i].BeforeDelegationRemoved(ctx, delAddr, valAddr); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
func (h MultiStakingHooks) AfterDelegationModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
|
||||
func (h MultiStakingHooks) AfterDelegationModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) error {
|
||||
for i := range h {
|
||||
h[i].AfterDelegationModified(ctx, delAddr, valAddr)
|
||||
if err := h[i].AfterDelegationModified(ctx, delAddr, valAddr); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
func (h MultiStakingHooks) BeforeValidatorSlashed(ctx sdk.Context, valAddr sdk.ValAddress, fraction sdk.Dec) {
|
||||
func (h MultiStakingHooks) BeforeValidatorSlashed(ctx sdk.Context, valAddr sdk.ValAddress, fraction sdk.Dec) error {
|
||||
for i := range h {
|
||||
h[i].BeforeValidatorSlashed(ctx, valAddr, fraction)
|
||||
if err := h[i].BeforeValidatorSlashed(ctx, valAddr, fraction); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user