/
invariants.go
40 lines (33 loc) · 1.07 KB
/
invariants.go
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//
// Copyright 2020 Wireline, Inc.
//
package keeper
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/vulcanize/dxns/x/auction/internal/types"
)
// RegisterInvariants registers all auction module invariants.
func RegisterInvariants(ir sdk.InvariantRegistry, k Keeper) {
ir.RegisterRoute(types.ModuleName, "module-account", ModuleAccountInvariant(k))
}
// ModuleAccountInvariant checks that the 'auction' module account balance is non-negative.
func ModuleAccountInvariant(k Keeper) sdk.Invariant {
return func(ctx sdk.Context) (string, bool) {
moduleAccount := k.supplyKeeper.GetModuleAccount(ctx, types.ModuleName)
if moduleAccount.GetCoins().IsAnyNegative() {
return sdk.FormatInvariant(
types.ModuleName,
"module-account",
fmt.Sprintf("Module account '%s' has negative balance.", types.ModuleName)),
true
}
return "", false
}
}
// AllInvariants runs all invariants of the auctions module.
func AllInvariants(k Keeper) sdk.Invariant {
return func(ctx sdk.Context) (string, bool) {
return ModuleAccountInvariant(k)(ctx)
}
}