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invariants.go
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invariants.go
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package keeper
import (
"fmt"
"github.com/Sifchain/sifnode/x/clp/types"
sdk "github.com/cosmos/cosmos-sdk/types"
)
func RegisterInvariants(registry sdk.InvariantRegistry, k Keeper) {
// registry.RegisterRoute(types.ModuleName, "balance-module-account-check", k.BalanceModuleAccountCheck())
}
func (k Keeper) BalanceModuleAccountCheck() sdk.Invariant {
return func(ctx sdk.Context) (string, bool) {
// Get Rowan Balance from CLP Module
clpModuleTotalNativeBalance := k.GetBankKeeper().GetBalance(ctx, types.GetCLPModuleAddress(), types.GetSettlementAsset().Symbol)
clpModuleTotalNativeBalanceUint := sdk.NewUintFromString(clpModuleTotalNativeBalance.Amount.String())
pools := k.GetPools(ctx)
poolsTotalNativeBalanceUint := sdk.ZeroUint()
poolsTotalNativeCustodyUint := sdk.ZeroUint()
for _, pool := range pools {
poolsTotalNativeBalanceUint = poolsTotalNativeBalanceUint.Add(pool.NativeAssetBalance)
poolsTotalNativeCustodyUint = poolsTotalNativeCustodyUint.Add(pool.NativeCustody)
clpModuleTotalExternalBalance := k.GetBankKeeper().GetBalance(ctx, types.GetCLPModuleAddress(), pool.ExternalAsset.Symbol)
clpModuleTotalExternalBalanceUint := sdk.NewUintFromString(clpModuleTotalExternalBalance.Amount.String())
ok := pool.ExternalAssetBalance.Add(pool.ExternalCustody).Equal(clpModuleTotalExternalBalanceUint)
if !ok {
return fmt.Sprintf("external balance mismatch in pool %s (module: %s != pool: %s)",
pool.ExternalAsset.Symbol,
clpModuleTotalExternalBalanceUint.String(),
pool.ExternalAssetBalance.String()), true
}
}
ok := poolsTotalNativeBalanceUint.Add(poolsTotalNativeCustodyUint).Equal(clpModuleTotalNativeBalanceUint)
if !ok {
return fmt.Sprintf("native balance mismatch across all pools (module: %s != pools: %s)",
clpModuleTotalNativeBalanceUint.String(),
poolsTotalNativeBalanceUint.String()), true
}
return "pool and module account balances match", false
}
}
func (k Keeper) SingleExternalBalanceModuleAccountCheck(externalAsset string) sdk.Invariant {
return func(ctx sdk.Context) (string, bool) {
pool, err := k.GetPool(ctx, externalAsset)
if err == nil {
clpModuleTotalExternalBalance := k.GetBankKeeper().GetBalance(ctx, types.GetCLPModuleAddress(), pool.ExternalAsset.Symbol)
clpModuleTotalExternalBalanceUint := sdk.NewUintFromString(clpModuleTotalExternalBalance.Amount.String())
ok := pool.ExternalAssetBalance.Add(pool.ExternalCustody).Equal(clpModuleTotalExternalBalanceUint)
if !ok {
return fmt.Sprintf("external balance mismatch in pool %s (module: %s != pool: %s)",
pool.ExternalAsset.Symbol,
clpModuleTotalExternalBalanceUint.String(),
pool.ExternalAssetBalance.String()), true
}
}
// Get Rowan Balance from CLP Module
clpModuleTotalNativeBalance := k.GetBankKeeper().GetBalance(ctx, types.GetCLPModuleAddress(), types.GetSettlementAsset().Symbol)
clpModuleTotalNativeBalanceUint := sdk.NewUintFromString(clpModuleTotalNativeBalance.Amount.String())
pools := k.GetPools(ctx)
poolsTotalNativeBalanceUint := sdk.ZeroUint()
poolsTotalNativeCustodyUint := sdk.ZeroUint()
for _, pool := range pools {
poolsTotalNativeBalanceUint = poolsTotalNativeBalanceUint.Add(pool.NativeAssetBalance)
poolsTotalNativeCustodyUint = poolsTotalNativeCustodyUint.Add(pool.NativeCustody)
}
ok := poolsTotalNativeBalanceUint.Add(poolsTotalNativeCustodyUint).Equal(clpModuleTotalNativeBalanceUint)
if !ok {
return fmt.Sprintf("native balance mismatch across all pools (module: %s != pools: %s)",
clpModuleTotalNativeBalanceUint.String(),
poolsTotalNativeBalanceUint.String()), true
}
return "pool and module account balances match", false
}
}
func (k Keeper) UnitsCheck() sdk.Invariant {
return func(ctx sdk.Context) (string, bool) {
pools := k.GetPools(ctx)
for _, pool := range pools {
totalLPUnits := sdk.ZeroUint()
lps, err := k.GetAllLiquidityProvidersForAsset(ctx, *pool.ExternalAsset)
if err != nil {
ctx.Logger().Error("error looking up LPs for pool during UnitsCheck",
"pool", pool.ExternalAsset.Symbol,
)
continue
}
for _, lp := range lps {
totalLPUnits = totalLPUnits.Add(lp.LiquidityProviderUnits)
}
ok := pool.PoolUnits.Equal(totalLPUnits)
if !ok {
return fmt.Sprintf("pool units vs total lp units mismatch in pool %s (pool: %s != lps: %s)",
pool.ExternalAsset.Symbol,
pool.PoolUnits.String(),
totalLPUnits.String(),
), true
}
}
return "all pool units vs total lp units match", false
}
}