feat: staking config (#10988)

## Description

staking config to remove DefaultPowerReduction global. 

I want to see if this would be accepted as its easier to document and show users how to do this. 



---

### Author Checklist

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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

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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)

testutil/network/network.go

@@ -116,9 +116,9 @@ func DefaultConfig() Config {
 		NumValidators:     4,
 		BondDenom:         sdk.DefaultBondDenom,
 		MinGasPrices:      fmt.Sprintf("0.000006%s", sdk.DefaultBondDenom),
-		AccountTokens:     sdk.TokensFromConsensusPower(1000, sdk.DefaultPowerReduction),
-		StakingTokens:     sdk.TokensFromConsensusPower(500, sdk.DefaultPowerReduction),
-		BondedTokens:      sdk.TokensFromConsensusPower(100, sdk.DefaultPowerReduction),
+		AccountTokens:     sdk.NewIntFromUint64(1000_000_000),
+		StakingTokens:     sdk.NewIntFromUint64(500_000_000),
+		BondedTokens:      sdk.NewIntFromUint64(100_000_000),
 		PruningStrategy:   storetypes.PruningOptionNothing,
 		CleanupDir:        true,
 		SigningAlgo:       string(hd.Secp256k1Type),

testutil/token.go

@@ -0,0 +1,28 @@
+package testutil
+
+import (
+	"math"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+var DefaultpowerReduction = sdk.NewInt(1_000_000)
+
+// TokensToConsensusPower - convert input tokens to Power
+func TokensToConsensusPower(tokens sdk.Int, powerReduction sdk.Int) int64 {
+	if tokens.IsNil() || powerReduction.IsNil() || powerReduction.IsZero() {
+		return 0
+	}
+
+	power := tokens.Quo(powerReduction)
+
+	if power.GT(sdk.NewIntFromUint64(math.MaxInt64)) {
+		return 0
+	}
+	return power.Int64()
+}
+
+// TokensFromConsensusPower - convert input power to tokens
+func TokensFromConsensusPower(power int64, powerReduction sdk.Int) sdk.Int {
+	return sdk.NewInt(power).Mul(powerReduction)
+}