Randomize genesis parameters

cosmos · Oct 28, 2018 · 46e6b40 · 46e6b40
1 parent 4e48217
commit 46e6b40
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Showing 3 changed files with 56 additions and 8 deletions.
diff --git a/cmd/gaia/app/sim_test.go b/cmd/gaia/app/sim_test.go
@@ -7,6 +7,7 @@ import (
 	"math/rand"
 	"os"
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/require"
 
@@ -66,10 +67,58 @@ func appStateFn(r *rand.Rand, accs []simulation.Account) json.RawMessage {
 		})
 	}
 
-	// Default genesis state
-	govGenesis := gov.DefaultGenesisState()
-	stakeGenesis := stake.DefaultGenesisState()
-	slashingGenesis := slashing.DefaultGenesisState()
+	// Random genesis states
+	govGenesis := gov.GenesisState{
+		StartingProposalID: int64(r.Intn(100)),
+		DepositProcedure: gov.DepositProcedure{
+			MinDeposit:       sdk.Coins{sdk.NewInt64Coin("steak", int64(r.Intn(1e3)))},
+			MaxDepositPeriod: time.Duration(r.Intn(2*172800)) * time.Second,
+		},
+		VotingProcedure: gov.VotingProcedure{
+			VotingPeriod: time.Duration(r.Intn(2*172800)) * time.Second,
+		},
+		TallyingProcedure: gov.TallyingProcedure{
+			Threshold:         sdk.NewDecWithPrec(5, 1),
+			Veto:              sdk.NewDecWithPrec(334, 3),
+			GovernancePenalty: sdk.NewDecWithPrec(1, 2),
+		},
+	}
+	fmt.Printf("Selected randomly generated governance parameters: %v\n", govGenesis)
+	stakeGenesis := stake.GenesisState{
+		Pool: stake.InitialPool(),
+		Params: stake.Params{
+			UnbondingTime: time.Duration(r.Intn(60*60*24*3*2)) * time.Second,
+			MaxValidators: uint16(r.Intn(250)),
+			BondDenom:     "steak",
+		},
+	}
+	fmt.Printf("Selected randomly generated staking parameters: %v\n", stakeGenesis)
+	slashingGenesis := slashing.GenesisState{
+		Params: slashing.Params{
+			MaxEvidenceAge:           stakeGenesis.Params.UnbondingTime,
+			DoubleSignUnbondDuration: time.Duration(r.Intn(60*60*24)) * time.Second,
+			SignedBlocksWindow:       int64(r.Intn(1000)),
+			DowntimeUnbondDuration:   time.Duration(r.Intn(86400)) * time.Second,
+			MinSignedPerWindow:       sdk.NewDecWithPrec(int64(r.Intn(10)), 1),
+			SlashFractionDoubleSign:  sdk.NewDec(1).Quo(sdk.NewDec(int64(r.Intn(50)))),
+			SlashFractionDowntime:    sdk.NewDec(1).Quo(sdk.NewDec(int64(r.Intn(200)))),
+		},
+	}
+	fmt.Printf("Selected randomly generated slashing parameters: %v\n", slashingGenesis)
+	mintGenesis := mint.GenesisState{
+		Minter: mint.Minter{
+			InflationLastTime: time.Unix(0, 0),
+			Inflation:         sdk.NewDecWithPrec(int64(r.Intn(99)), 2),
+		},
+		Params: mint.Params{
+			MintDenom:           "steak",
+			InflationRateChange: sdk.NewDecWithPrec(int64(r.Intn(99)), 2),
+			InflationMax:        sdk.NewDecWithPrec(20, 2),
+			InflationMin:        sdk.NewDecWithPrec(7, 2),
+			GoalBonded:          sdk.NewDecWithPrec(67, 2),
+		},
+	}
+	fmt.Printf("Selected randomly generated minting parameters: %v\n", mintGenesis)
 	var validators []stake.Validator
 	var delegations []stake.Delegation
 
@@ -88,7 +137,6 @@ func appStateFn(r *rand.Rand, accs []simulation.Account) json.RawMessage {
 	stakeGenesis.Pool.LooseTokens = sdk.NewDec((amount * numAccs) + (numInitiallyBonded * amount))
 	stakeGenesis.Validators = validators
 	stakeGenesis.Bonds = delegations
-	mintGenesis := mint.DefaultGenesisState()
 
 	genesis := GenesisState{
 		Accounts:     genesisAccounts,

diff --git a/x/mock/simulation/params.go b/x/mock/simulation/params.go
@@ -7,10 +7,10 @@ import (
 
 const (
 	// Minimum time per block
-	minTimePerBlock int64 = 1000 / 2
+	minTimePerBlock int64 = 10000 / 2
 
 	// Maximum time per block
-	maxTimePerBlock int64 = 1000
+	maxTimePerBlock int64 = 10000
 
 	// TODO Remove in favor of binary search for invariant violation
 	onOperation bool = false

diff --git a/x/mock/simulation/random_simulate_blocks.go b/x/mock/simulation/random_simulate_blocks.go
@@ -92,7 +92,7 @@ func SimulateFromSeed(tb testing.TB, app *baseapp.BaseApp,
 	signal.Notify(c, os.Interrupt, syscall.SIGTERM, syscall.SIGINT)
 	go func() {
 		receivedSignal := <-c
-		fmt.Printf("Exiting early due to %s, on block %d, operation %d\n", receivedSignal, header.Height, opCount)
+		fmt.Printf("\nExiting early due to %s, on block %d, operation %d\n", receivedSignal, header.Height, opCount)
 		simError = fmt.Errorf("Exited due to %s", receivedSignal)
 		stopEarly = true
 	}()