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https://github.com/0glabs/0g-chain.git
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988836dee0
* add deposits to genesis state * import/export genesis with deposits * add helper keeper method + update tests * invariants + tests * register invariants on module * fix genesis test invariant init * clean up invariants test * remove comment from test file * fix invariants test * run 'make proto-all'
68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
package keeper
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import (
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"github.com/kava-labs/kava/x/savings/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// RegisterInvariants registers the savings module invariants
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func RegisterInvariants(ir sdk.InvariantRegistry, k Keeper) {
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ir.RegisterRoute(types.ModuleName, "deposits", DepositsInvariant(k))
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ir.RegisterRoute(types.ModuleName, "solvency", SolvencyInvariant(k))
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}
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// AllInvariants runs all invariants of the savings 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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if res, stop := DepositsInvariant(k)(ctx); stop {
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return res, stop
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}
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res, stop := SolvencyInvariant(k)(ctx)
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return res, stop
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}
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}
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// DepositsInvariant iterates all deposits and asserts that they are valid
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func DepositsInvariant(k Keeper) sdk.Invariant {
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broken := false
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message := sdk.FormatInvariant(types.ModuleName, "validate deposits broken", "deposit invalid")
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return func(ctx sdk.Context) (string, bool) {
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k.IterateDeposits(ctx, func(deposit types.Deposit) bool {
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if err := deposit.Validate(); err != nil {
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broken = true
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return true
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}
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if !deposit.Amount.IsAllPositive() {
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broken = true
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return true
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}
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return false
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})
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return message, broken
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}
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}
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// SolvencyInvariant iterates all deposits and ensures the total amount matches the module account coins
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func SolvencyInvariant(k Keeper) sdk.Invariant {
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message := sdk.FormatInvariant(types.ModuleName, "module solvency broken", "total deposited amount does not match module account")
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return func(ctx sdk.Context) (string, bool) {
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balance := k.bankKeeper.GetAllBalances(ctx, k.GetSavingsModuleAccount(ctx).GetAddress())
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deposited := sdk.Coins{}
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k.IterateDeposits(ctx, func(deposit types.Deposit) bool {
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for _, coin := range deposit.Amount {
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deposited = deposited.Add(coin)
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}
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return false
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})
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broken := !deposited.IsEqual(balance)
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return message, broken
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}
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}
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