laconicd/x/auction/keeper/invariants.go

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package keeper
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
types "git.vdb.to/cerc-io/laconic2d/x/auction"
)
// RegisterInvariants registers all auction invariants
func RegisterInvariants(ir sdk.InvariantRegistry, k *Keeper) {
ir.RegisterRoute(types.ModuleName, "module-account", ModuleAccountInvariant(k))
}
// AllInvariants runs all invariants of the auction module.
func AllInvariants(k *Keeper) sdk.Invariant {
return func(ctx sdk.Context) (string, bool) {
return ModuleAccountInvariant(k)(ctx)
}
}
// ModuleAccountInvariant checks that the 'auction' module account balance is non-negative.
func ModuleAccountInvariant(k *Keeper) sdk.Invariant {
return func(ctx sdk.Context) (string, bool) {
moduleAddress := k.accountKeeper.GetModuleAddress(types.ModuleName)
if k.bankKeeper.GetAllBalances(ctx, moduleAddress).IsAnyNegative() {
return sdk.FormatInvariant(
types.ModuleName,
"module-account",
fmt.Sprintf("Module account '%s' has negative balance.", types.ModuleName),
), true
}
return "", false
}
}