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feat!: Rewire dependencies on the staking module (#2056)
* Change wiring for mint and gov to use ProviderKeeper instead of StakingKeeper * Add test for IterateBondedValidatorsByPower * Rewire GovKeeper * Fix docstrings * Test other modified functions * Start writing some testing scenarios * Add TotalBondedTokens to expected staking keeper interface
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package keeper | ||
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||
| import ( | ||
| "context" | ||
|
|
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| "cosmossdk.io/math" | ||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types" | ||
| ) | ||
|
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||
| // IterateBondedValidatorsByPower iterates over the consensus-active validators by power. | ||
| // The same as IterateBondedValidatorsByPower in the StakingKeeper, | ||
| // but only returns the first MaxProviderConsensusValidators validators. | ||
| // This is used to implement the interface of the staking keeper to interface with | ||
| // modules that need to reference the consensus-active validators. | ||
| func (k Keeper) IterateBondedValidatorsByPower(ctx context.Context, fn func(index int64, validator stakingtypes.ValidatorI) (stop bool)) error { | ||
| maxProviderConsensusVals := k.GetMaxProviderConsensusValidators(sdk.UnwrapSDKContext(ctx)) | ||
| counter := int64(0) | ||
| return k.stakingKeeper.IterateBondedValidatorsByPower(ctx, func(index int64, validator stakingtypes.ValidatorI) (stop bool) { | ||
| if counter >= maxProviderConsensusVals { | ||
| return true | ||
| } | ||
| counter++ | ||
| return fn(index, validator) | ||
| }) | ||
| } | ||
|
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| // TotalBondedTokens gets the amount of tokens of the consensus-active validators. | ||
| // The same as TotalBondedTokens in the StakingKeeper, but only counts bonded tokens | ||
| // of the first MaxProviderConsensusValidators bonded validators. | ||
| // This is used to implement the interface of the staking keeper to interface with | ||
| // modules that need to reference the consensus-active validators. | ||
| func (k Keeper) TotalBondedTokens(ctx context.Context) (math.Int, error) { | ||
| // iterate through the bonded validators | ||
| totalBondedTokens := math.ZeroInt() | ||
|
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| k.IterateBondedValidatorsByPower(ctx, func(_ int64, validator stakingtypes.ValidatorI) (stop bool) { | ||
| tokens := validator.GetTokens() | ||
| totalBondedTokens = totalBondedTokens.Add(tokens) | ||
| return false | ||
| }) | ||
|
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| return totalBondedTokens, nil | ||
| } | ||
|
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| // IterateDelegations is the same as IterateDelegations in the StakingKeeper. | ||
| // Necessary to implement the interface of the staking keeper to interface with | ||
| // other modules. | ||
| func (k Keeper) IterateDelegations(ctx context.Context, delegator sdk.AccAddress, fn func(index int64, delegation stakingtypes.DelegationI) (stop bool)) error { | ||
| return k.stakingKeeper.IterateDelegations(ctx, delegator, fn) | ||
| } | ||
|
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| // StakingTokenSupply is the same as StakingTotalSupply in the StakingKeeper. | ||
| // Necessary to implement the interface of the staking keeper to interface with | ||
| // other modules. | ||
| func (k Keeper) StakingTokenSupply(ctx context.Context) (math.Int, error) { | ||
| return k.stakingKeeper.StakingTokenSupply(ctx) | ||
| } | ||
|
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| // BondedRatio gets the ratio of tokens staked to validators active in the consensus | ||
| // to the total supply of tokens. | ||
| // Same as BondedRatio in the StakingKeeper, but only counts | ||
| // tokens of the first MaxProviderConsensusValidators bonded validators. | ||
| func (k Keeper) BondedRatio(ctx context.Context) (math.LegacyDec, error) { | ||
| totalSupply, err := k.StakingTokenSupply(ctx) | ||
| if err != nil { | ||
| return math.LegacyZeroDec(), err | ||
| } | ||
|
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| bondedTokens, err := k.TotalBondedTokens(ctx) | ||
| if err != nil { | ||
| return math.LegacyZeroDec(), err | ||
| } | ||
|
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| if !totalSupply.IsPositive() { | ||
| return math.LegacyZeroDec(), nil | ||
| } | ||
|
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| return math.LegacyNewDecFromInt(bondedTokens).QuoInt(totalSupply), nil | ||
| } |
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