43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
package gov
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import (
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/gov/types"
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)
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// RegisterInvariants registers all governance invariants
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func RegisterInvariants(ir sdk.InvariantRegistry, keeper Keeper) {
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ir.RegisterRoute(types.ModuleName, "module-account", ModuleAccountInvariant(keeper))
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}
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// AllInvariants runs all invariants of the governance module
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func AllInvariants(keeper Keeper) sdk.Invariant {
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return func(ctx sdk.Context) error {
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return ModuleAccountInvariant(keeper)(ctx)
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}
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}
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// ModuleAccountInvariant checks that the module account coins reflects the sum of
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// deposit amounts held on store
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func ModuleAccountInvariant(keeper Keeper) sdk.Invariant {
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return func(ctx sdk.Context) error {
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var expectedDeposits sdk.Coins
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keeper.IterateAllDeposits(ctx, func(deposit types.Deposit) bool {
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expectedDeposits = expectedDeposits.Add(deposit.Amount)
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return false
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})
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macc := keeper.GetGovernanceAccount(ctx)
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if !macc.GetCoins().IsEqual(expectedDeposits) {
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return fmt.Errorf("deposits invariance:\n"+
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"\tgov ModuleAccount coins: %s\n"+
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"\tsum of deposit amounts: %s", macc.GetCoins(), expectedDeposits)
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}
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return nil
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}
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}
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