308 lines
9.9 KiB
Go
308 lines
9.9 KiB
Go
package keeper
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import (
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"fmt"
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"time"
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auctionkeeper "github.com/cerc-io/laconicd/x/auction/keeper"
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auctiontypes "github.com/cerc-io/laconicd/x/auction/types"
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bondtypes "github.com/cerc-io/laconicd/x/bond/types"
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"github.com/cerc-io/laconicd/x/nameservice/types"
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"github.com/cosmos/cosmos-sdk/codec"
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storetypes "github.com/cosmos/cosmos-sdk/store/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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)
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// RecordKeeper exposes the bare minimal read-only API for other modules.
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type RecordKeeper struct {
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auctionKeeper auctionkeeper.Keeper
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storeKey storetypes.StoreKey // Unexposed key to access store from sdk.Context
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cdc codec.BinaryCodec // The wire codec for binary encoding/decoding.
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}
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func (k RecordKeeper) UsesAuction(ctx sdk.Context, auctionID string) bool {
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return k.GetAuctionToAuthorityMapping(ctx, auctionID) != ""
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}
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func (k RecordKeeper) OnAuction(ctx sdk.Context, auctionId string) {
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updateBlockChangeSetForAuction(ctx, k, auctionId)
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}
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func (k RecordKeeper) OnAuctionBid(ctx sdk.Context, auctionID string, bidderAddress string) {
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updateBlockChangeSetForAuctionBid(ctx, k, auctionID, bidderAddress)
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}
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func (k RecordKeeper) OnAuctionWinnerSelected(ctx sdk.Context, auctionID string) {
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// Update authority status based on auction status/winner.
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name := k.GetAuctionToAuthorityMapping(ctx, auctionID)
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if name == "" {
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// We don't know about this auction, ignore.
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ctx.Logger().Info(fmt.Sprintf("Ignoring auction notification, name mapping not found: %s", auctionID))
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return
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}
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store := ctx.KVStore(k.storeKey)
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if !HasNameAuthority(store, name) {
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// We don't know about this authority, ignore.
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ctx.Logger().Info(fmt.Sprintf("Ignoring auction notification, authority not found: %s", auctionID))
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return
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}
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authority := GetNameAuthority(store, k.cdc, name)
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auctionObj := k.auctionKeeper.GetAuction(ctx, auctionID)
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if auctionObj.Status == auctiontypes.AuctionStatusCompleted {
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store := ctx.KVStore(k.storeKey)
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if auctionObj.WinnerAddress != "" {
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// Mark authority owner and change status to active.
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authority.OwnerAddress = auctionObj.WinnerAddress
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authority.Status = types.AuthorityActive
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// Reset bond ID if required, as owner has changed.
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if authority.BondId != "" {
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RemoveBondToAuthorityIndexEntry(store, authority.BondId, name)
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authority.BondId = ""
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}
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// Update height for updated/changed authority (owner).
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// Can be used to check if names are older than the authority itself (stale names).
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authority.Height = uint64(ctx.BlockHeight())
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ctx.Logger().Info(fmt.Sprintf("Winner selected, marking authority as active: %s", name))
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} else {
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// Mark as expired.
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authority.Status = types.AuthorityExpired
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ctx.Logger().Info(fmt.Sprintf("No winner, marking authority as expired: %s", name))
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}
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authority.AuctionId = ""
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SetNameAuthority(ctx, store, k.cdc, name, &authority)
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// Forget about this auction now, we no longer need it.
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removeAuctionToAuthorityMapping(store, auctionID)
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} else {
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ctx.Logger().Info(fmt.Sprintf("Ignoring auction notification, status: %s", auctionObj.Status))
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}
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}
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// Record keeper implements the bond usage keeper interface.
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var (
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_ bondtypes.BondUsageKeeper = (*RecordKeeper)(nil)
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_ auctiontypes.AuctionUsageKeeper = (*RecordKeeper)(nil)
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)
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// ModuleName returns the module name.
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func (k RecordKeeper) ModuleName() string {
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return types.ModuleName
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}
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func (k RecordKeeper) GetAuctionToAuthorityMapping(ctx sdk.Context, auctionID string) string {
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store := ctx.KVStore(k.storeKey)
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auctionToAuthorityIndexKey := GetAuctionToAuthorityIndexKey(auctionID)
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if store.Has(auctionToAuthorityIndexKey) {
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bz := store.Get(auctionToAuthorityIndexKey)
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return string(bz)
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}
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return ""
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}
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// UsesBond returns true if the bond has associated records.
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func (k RecordKeeper) UsesBond(ctx sdk.Context, bondId string) bool {
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bondIDPrefix := append(PrefixBondIDToRecordsIndex, []byte(bondId)...)
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store := ctx.KVStore(k.storeKey)
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itr := sdk.KVStorePrefixIterator(store, bondIDPrefix)
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defer itr.Close()
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return itr.Valid()
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}
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// RemoveBondToRecordIndexEntry removes the Bond ID -> [Record] index entry.
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func (k Keeper) RemoveBondToRecordIndexEntry(ctx sdk.Context, bondID string, id string) {
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store := ctx.KVStore(k.storeKey)
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store.Delete(getBondIDToRecordsIndexKey(bondID, id))
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}
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// NewRecordKeeper creates new instances of the nameservice RecordKeeper
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func NewRecordKeeper(auctionKeeper auctionkeeper.Keeper, storeKey storetypes.StoreKey, cdc codec.BinaryCodec) RecordKeeper {
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return RecordKeeper{
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auctionKeeper: auctionKeeper,
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storeKey: storeKey,
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cdc: cdc,
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}
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}
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// QueryRecordsByBond - get all records for the given bond.
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func (k RecordKeeper) QueryRecordsByBond(ctx sdk.Context, bondID string) []types.Record {
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var records []types.Record
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bondIDPrefix := append(PrefixBondIDToRecordsIndex, []byte(bondID)...)
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store := ctx.KVStore(k.storeKey)
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itr := sdk.KVStorePrefixIterator(store, bondIDPrefix)
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defer itr.Close()
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for ; itr.Valid(); itr.Next() {
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cid := itr.Key()[len(bondIDPrefix):]
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bz := store.Get(append(PrefixCIDToRecordIndex, cid...))
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if bz != nil {
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var obj types.Record
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k.cdc.MustUnmarshal(bz, &obj)
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records = append(records, recordObjToRecord(store, k.cdc, obj))
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}
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}
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return records
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}
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// ProcessRenewRecord renews a record.
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func (k Keeper) ProcessRenewRecord(ctx sdk.Context, msg types.MsgRenewRecord) error {
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if !k.HasRecord(ctx, msg.RecordId) {
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return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "Record not found.")
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}
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// Check if renewal is required (i.e. expired record marked as deleted).
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record := k.GetRecord(ctx, msg.RecordId)
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expiryTime, err := time.Parse(time.RFC3339, record.ExpiryTime)
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if err != nil {
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panic(err)
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}
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if !record.Deleted || expiryTime.After(ctx.BlockTime()) {
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return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "Renewal not required.")
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}
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recordType := record.ToRecordType()
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err = k.processRecord(ctx, &recordType, true)
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if err != nil {
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return err
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}
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return nil
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}
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// ProcessAssociateBond associates a record with a bond.
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func (k Keeper) ProcessAssociateBond(ctx sdk.Context, msg types.MsgAssociateBond) error {
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if !k.HasRecord(ctx, msg.RecordId) {
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return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "Record not found.")
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}
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if !k.bondKeeper.HasBond(ctx, msg.BondId) {
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return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "Bond not found.")
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}
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// Check if already associated with a bond.
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record := k.GetRecord(ctx, msg.RecordId)
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if record.BondId != "" || len(record.BondId) != 0 {
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return sdkerrors.Wrap(sdkerrors.ErrUnauthorized, "Bond already exists.")
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}
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// Only the bond owner can associate a record with the bond.
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bond := k.bondKeeper.GetBond(ctx, msg.BondId)
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if msg.Signer != bond.Owner {
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return sdkerrors.Wrap(sdkerrors.ErrUnauthorized, "Bond owner mismatch.")
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}
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record.BondId = msg.BondId
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k.PutRecord(ctx, record)
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k.AddBondToRecordIndexEntry(ctx, msg.BondId, msg.RecordId)
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// Required so that renewal is triggered (with new bond ID) for expired records.
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if record.Deleted {
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k.InsertRecordExpiryQueue(ctx, record)
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}
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return nil
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}
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// ProcessDissociateBond dissociates a record from its bond.
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func (k Keeper) ProcessDissociateBond(ctx sdk.Context, msg types.MsgDissociateBond) error {
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if !k.HasRecord(ctx, msg.RecordId) {
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return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "Record not found.")
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}
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// Check if associated with a bond.
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record := k.GetRecord(ctx, msg.RecordId)
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bondID := record.BondId
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if bondID == "" || len(bondID) == 0 {
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return sdkerrors.Wrap(sdkerrors.ErrUnauthorized, "Bond not found.")
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}
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// Only the bond owner can dissociate a record from the bond.
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bond := k.bondKeeper.GetBond(ctx, bondID)
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if msg.Signer != bond.Owner {
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return sdkerrors.Wrap(sdkerrors.ErrUnauthorized, "Bond owner mismatch.")
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}
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// Clear bond ID.
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record.BondId = ""
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k.PutRecord(ctx, record)
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k.RemoveBondToRecordIndexEntry(ctx, bondID, record.Id)
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return nil
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}
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// ProcessDissociateRecords dissociates all records associated with a given bond.
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func (k Keeper) ProcessDissociateRecords(ctx sdk.Context, msg types.MsgDissociateRecords) error {
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if !k.bondKeeper.HasBond(ctx, msg.BondId) {
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return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "Bond not found.")
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}
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// Only the bond owner can dissociate all records from the bond.
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bond := k.bondKeeper.GetBond(ctx, msg.BondId)
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if msg.Signer != bond.Owner {
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return sdkerrors.Wrap(sdkerrors.ErrUnauthorized, "Bond owner mismatch.")
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}
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// Dissociate all records from the bond.
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records := k.recordKeeper.QueryRecordsByBond(ctx, msg.BondId)
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for _, record := range records {
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// Clear bond ID.
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record.BondId = ""
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k.PutRecord(ctx, record)
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k.RemoveBondToRecordIndexEntry(ctx, msg.BondId, record.Id)
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}
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return nil
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}
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// ProcessReAssociateRecords switches records from and old to new bond.
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func (k Keeper) ProcessReAssociateRecords(ctx sdk.Context, msg types.MsgReAssociateRecords) error {
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if !k.bondKeeper.HasBond(ctx, msg.OldBondId) {
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return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "Old bond not found.")
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}
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if !k.bondKeeper.HasBond(ctx, msg.NewBondId) {
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return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "New bond not found.")
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}
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// Only the bond owner can re-associate all records.
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oldBond := k.bondKeeper.GetBond(ctx, msg.OldBondId)
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if msg.Signer != oldBond.Owner {
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return sdkerrors.Wrap(sdkerrors.ErrUnauthorized, "Old bond owner mismatch.")
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}
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newBond := k.bondKeeper.GetBond(ctx, msg.NewBondId)
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if msg.Signer != newBond.Owner {
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return sdkerrors.Wrap(sdkerrors.ErrUnauthorized, "New bond owner mismatch.")
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}
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// Re-associate all records.
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records := k.recordKeeper.QueryRecordsByBond(ctx, msg.OldBondId)
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for _, record := range records {
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// Switch bond ID.
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record.BondId = msg.NewBondId
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k.PutRecord(ctx, record)
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k.RemoveBondToRecordIndexEntry(ctx, msg.OldBondId, record.Id)
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k.AddBondToRecordIndexEntry(ctx, msg.NewBondId, record.Id)
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// Required so that renewal is triggered (with new bond ID) for expired records.
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if record.Deleted {
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k.InsertRecordExpiryQueue(ctx, record)
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}
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}
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return nil
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}
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