76 lines
1.9 KiB
Go
76 lines
1.9 KiB
Go
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package keeper
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import (
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"errors"
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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types "git.vdb.to/cerc-io/laconic2d/x/registry"
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)
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// RegisterInvariants registers all registry invariants
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func RegisterInvariants(ir sdk.InvariantRegistry, k Keeper) {
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ir.RegisterRoute(types.ModuleName, "module-account", ModuleAccountInvariant(&k))
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ir.RegisterRoute(types.ModuleName, "record-bond", RecordBondInvariant(&k))
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}
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// AllInvariants runs all invariants of the registry module.
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func AllInvariants(k *Keeper) sdk.Invariant {
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return func(ctx sdk.Context) (string, bool) {
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res, stop := ModuleAccountInvariant(k)(ctx)
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if stop {
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return res, stop
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}
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return RecordBondInvariant(k)(ctx)
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}
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}
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// ModuleAccountInvariant checks that the 'registry' module account balance is non-negative.
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func ModuleAccountInvariant(k *Keeper) sdk.Invariant {
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return func(ctx sdk.Context) (string, bool) {
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moduleAddress := k.accountKeeper.GetModuleAddress(types.ModuleName)
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if k.bankKeeper.GetAllBalances(ctx, moduleAddress).IsAnyNegative() {
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return sdk.FormatInvariant(
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types.ModuleName,
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"module-account",
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fmt.Sprintf("Module account '%s' has negative balance.", types.ModuleName),
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), true
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}
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return "", false
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}
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}
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// RecordBondInvariant checks that for every record:
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// if bondId is not null, associated bond exists
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func RecordBondInvariant(k *Keeper) sdk.Invariant {
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return func(ctx sdk.Context) (string, bool) {
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err := k.Records.Walk(ctx, nil, func(key string, record types.Record) (bool, error) {
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if record.BondId != "" {
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bondExists, err := k.bondKeeper.HasBond(ctx, record.BondId)
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if err != nil {
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return true, err
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}
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if !bondExists {
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return true, errors.New(record.Id)
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}
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}
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return false, nil
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})
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if err != nil {
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return sdk.FormatInvariant(
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types.ModuleName,
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"record-bond",
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fmt.Sprintf("Bond not found for record id: '%s'.", err.Error()),
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), true
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}
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return "", false
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}
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}
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