## Description Migrate x/staking to the new app wiring (dependency injection). Tracking progress at https://github.com/cosmos/cosmos-sdk/issues/12036 --- ### 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/main/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/main/docs/building-modules) - [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/main/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... - [x] 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)
70 lines
1.7 KiB
Go
70 lines
1.7 KiB
Go
package keeper // noalias
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import (
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"bytes"
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"math/rand"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/staking/types"
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)
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// does a certain by-power index record exist
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func ValidatorByPowerIndexExists(ctx sdk.Context, keeper *Keeper, power []byte) bool {
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store := ctx.KVStore(keeper.storeKey)
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return store.Has(power)
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}
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// update validator for testing
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func TestingUpdateValidator(keeper *Keeper, ctx sdk.Context, validator types.Validator, apply bool) types.Validator {
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keeper.SetValidator(ctx, validator)
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// Remove any existing power key for validator.
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store := ctx.KVStore(keeper.storeKey)
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deleted := false
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iterator := sdk.KVStorePrefixIterator(store, types.ValidatorsByPowerIndexKey)
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defer iterator.Close()
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for ; iterator.Valid(); iterator.Next() {
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valAddr := types.ParseValidatorPowerRankKey(iterator.Key())
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if bytes.Equal(valAddr, validator.GetOperator()) {
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if deleted {
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panic("found duplicate power index key")
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} else {
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deleted = true
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}
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store.Delete(iterator.Key())
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}
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}
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keeper.SetValidatorByPowerIndex(ctx, validator)
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if !apply {
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ctx, _ = ctx.CacheContext()
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}
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_, err := keeper.ApplyAndReturnValidatorSetUpdates(ctx)
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if err != nil {
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panic(err)
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}
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validator, found := keeper.GetValidator(ctx, validator.GetOperator())
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if !found {
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panic("validator expected but not found")
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}
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return validator
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}
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// RandomValidator returns a random validator given access to the keeper and ctx
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func RandomValidator(r *rand.Rand, keeper *Keeper, ctx sdk.Context) (val types.Validator, ok bool) {
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vals := keeper.GetAllValidators(ctx)
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if len(vals) == 0 {
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return types.Validator{}, false
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}
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i := r.Intn(len(vals))
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return vals[i], true
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}
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