mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-11-15 04:25:27 +00:00
116 lines
3.2 KiB
Go
116 lines
3.2 KiB
Go
package keeper
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import (
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"github.com/0glabs/0g-chain/x/earn/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// RegisterInvariants registers the swap module invariants
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func RegisterInvariants(ir sdk.InvariantRegistry, k Keeper) {
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ir.RegisterRoute(types.ModuleName, "vault-records", VaultRecordsInvariant(k))
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ir.RegisterRoute(types.ModuleName, "share-records", ShareRecordsInvariant(k))
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ir.RegisterRoute(types.ModuleName, "vault-shares", VaultSharesInvariant(k))
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}
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// AllInvariants runs all invariants of the swap 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 := VaultRecordsInvariant(k)(ctx); stop {
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return res, stop
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}
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if res, stop := ShareRecordsInvariant(k)(ctx); stop {
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return res, stop
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}
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res, stop := VaultSharesInvariant(k)(ctx)
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return res, stop
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}
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}
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// VaultRecordsInvariant iterates all vault records and asserts that they are valid
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func VaultRecordsInvariant(k Keeper) sdk.Invariant {
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broken := false
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message := sdk.FormatInvariant(types.ModuleName, "validate vault records broken", "vault record invalid")
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return func(ctx sdk.Context) (string, bool) {
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k.IterateVaultRecords(ctx, func(record types.VaultRecord) bool {
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if err := record.Validate(); err != nil {
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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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// ShareRecordsInvariant iterates all share records and asserts that they are valid
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func ShareRecordsInvariant(k Keeper) sdk.Invariant {
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broken := false
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message := sdk.FormatInvariant(types.ModuleName, "validate share records broken", "share record invalid")
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return func(ctx sdk.Context) (string, bool) {
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k.IterateVaultShareRecords(ctx, func(record types.VaultShareRecord) bool {
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if err := record.Validate(); err != nil {
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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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type vaultShares struct {
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totalShares types.VaultShare
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totalSharesOwned types.VaultShare
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}
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// VaultSharesInvariant iterates all vaults and shares and ensures the total vault shares match the sum of depositor shares
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func VaultSharesInvariant(k Keeper) sdk.Invariant {
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broken := false
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message := sdk.FormatInvariant(types.ModuleName, "vault shares broken", "vault shares do not match depositor shares")
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return func(ctx sdk.Context) (string, bool) {
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totalShares := make(map[string]vaultShares)
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k.IterateVaultRecords(ctx, func(record types.VaultRecord) bool {
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totalShares[record.TotalShares.Denom] = vaultShares{
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totalShares: record.TotalShares,
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totalSharesOwned: types.NewVaultShare(record.TotalShares.Denom, sdk.ZeroDec()),
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}
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return false
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})
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k.IterateVaultShareRecords(ctx, func(sr types.VaultShareRecord) bool {
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for _, share := range sr.Shares {
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if shares, found := totalShares[share.Denom]; found {
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shares.totalSharesOwned = shares.totalSharesOwned.Add(share)
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totalShares[share.Denom] = shares
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} else {
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totalShares[share.Denom] = vaultShares{
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totalShares: types.NewVaultShare(share.Denom, sdk.ZeroDec()),
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totalSharesOwned: share,
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}
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}
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}
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return false
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})
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for _, share := range totalShares {
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if !share.totalShares.Amount.Equal(share.totalSharesOwned.Amount) {
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broken = true
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break
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}
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}
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return message, broken
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}
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}
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