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keeper.go
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keeper.go
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package keeper
import (
"fmt"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
dtypes "github.com/akash-network/akash-api/go/node/deployment/v1beta3"
types "github.com/akash-network/akash-api/go/node/market/v1beta4"
keys "github.com/akash-network/node/x/market/keeper/keys/v1beta4"
)
// TODO: use interface for all keepers, queriers
type IKeeper interface {
NewQuerier() Querier
Codec() codec.BinaryCodec
StoreKey() sdk.StoreKey
CreateOrder(ctx sdk.Context, gid dtypes.GroupID, spec dtypes.GroupSpec) (types.Order, error)
CreateBid(ctx sdk.Context, oid types.OrderID, provider sdk.AccAddress, price sdk.DecCoin, roffer types.ResourcesOffer) (types.Bid, error)
CreateLease(ctx sdk.Context, bid types.Bid)
OnOrderMatched(ctx sdk.Context, order types.Order)
OnBidMatched(ctx sdk.Context, bid types.Bid)
OnBidLost(ctx sdk.Context, bid types.Bid)
OnBidClosed(ctx sdk.Context, bid types.Bid)
OnOrderClosed(ctx sdk.Context, order types.Order)
OnLeaseClosed(ctx sdk.Context, lease types.Lease, state types.Lease_State)
OnGroupClosed(ctx sdk.Context, id dtypes.GroupID)
GetOrder(ctx sdk.Context, id types.OrderID) (types.Order, bool)
GetBid(ctx sdk.Context, id types.BidID) (types.Bid, bool)
GetLease(ctx sdk.Context, id types.LeaseID) (types.Lease, bool)
LeaseForOrder(ctx sdk.Context, oid types.OrderID) (types.Lease, bool)
WithOrders(ctx sdk.Context, fn func(types.Order) bool)
WithBids(ctx sdk.Context, fn func(types.Bid) bool)
WithLeases(ctx sdk.Context, fn func(types.Lease) bool)
WithOrdersForGroup(ctx sdk.Context, id dtypes.GroupID, fn func(types.Order) bool)
WithBidsForOrder(ctx sdk.Context, id types.OrderID, fn func(types.Bid) bool)
BidCountForOrder(ctx sdk.Context, id types.OrderID) uint32
GetParams(ctx sdk.Context) (params types.Params)
SetParams(ctx sdk.Context, params types.Params)
}
// Keeper of the market store
type Keeper struct {
cdc codec.BinaryCodec
skey sdk.StoreKey
pspace paramtypes.Subspace
ekeeper EscrowKeeper
}
// NewKeeper creates and returns an instance for Market keeper
func NewKeeper(cdc codec.BinaryCodec, skey sdk.StoreKey, pspace paramtypes.Subspace, ekeeper EscrowKeeper) IKeeper {
if !pspace.HasKeyTable() {
pspace = pspace.WithKeyTable(types.ParamKeyTable())
}
return Keeper{
skey: skey,
cdc: cdc,
pspace: pspace,
ekeeper: ekeeper,
}
}
func (k Keeper) NewQuerier() Querier {
return Querier{k}
}
// Codec returns keeper codec
func (k Keeper) Codec() codec.BinaryCodec {
return k.cdc
}
// StoreKey returns store key
func (k Keeper) StoreKey() sdk.StoreKey {
return k.skey
}
// CreateOrder creates a new order with given group id and specifications. It returns created order
func (k Keeper) CreateOrder(ctx sdk.Context, gid dtypes.GroupID, spec dtypes.GroupSpec) (types.Order, error) {
store := ctx.KVStore(k.skey)
oseq := uint32(1)
var err error
k.WithOrdersForGroup(ctx, gid, func(order types.Order) bool {
if err = order.ValidateInactive(); err != nil {
return true
}
oseq++
return false
})
if err != nil {
return types.Order{}, fmt.Errorf("%w: create order: active order exists", err)
}
order := types.Order{
OrderID: types.MakeOrderID(gid, oseq),
Spec: spec,
State: types.OrderOpen,
CreatedAt: ctx.BlockHeight(),
}
key := keys.OrderKey(order.ID())
if store.Has(key) {
return types.Order{}, types.ErrOrderExists
}
store.Set(key, k.cdc.MustMarshal(&order))
ctx.Logger().Info("created order", "order", order.ID())
ctx.EventManager().EmitEvent(
types.NewEventOrderCreated(order.ID()).
ToSDKEvent(),
)
return order, nil
}
// CreateBid creates a bid for a order with given orderID, price for bid and provider
func (k Keeper) CreateBid(ctx sdk.Context, oid types.OrderID, provider sdk.AccAddress, price sdk.DecCoin, roffer types.ResourcesOffer) (types.Bid, error) {
store := ctx.KVStore(k.skey)
bid := types.Bid{
BidID: types.MakeBidID(oid, provider),
State: types.BidOpen,
Price: price,
CreatedAt: ctx.BlockHeight(),
ResourcesOffer: roffer,
}
key := keys.BidKey(bid.ID())
if store.Has(key) {
return types.Bid{}, types.ErrBidExists
}
store.Set(key, k.cdc.MustMarshal(&bid))
ctx.EventManager().EmitEvent(
types.NewEventBidCreated(bid.ID(), price).
ToSDKEvent(),
)
return bid, nil
}
// CreateLease creates lease for bid with given bidID.
// Should only be called by the EndBlock handler or unit tests.
func (k Keeper) CreateLease(ctx sdk.Context, bid types.Bid) {
store := ctx.KVStore(k.skey)
lease := types.Lease{
LeaseID: types.LeaseID(bid.ID()),
State: types.LeaseActive,
Price: bid.Price,
CreatedAt: ctx.BlockHeight(),
}
// create (active) lease in store
key := keys.LeaseKey(lease.ID())
store.Set(key, k.cdc.MustMarshal(&lease))
ctx.Logger().Info("created lease", "lease", lease.ID())
ctx.EventManager().EmitEvent(
types.NewEventLeaseCreated(lease.ID(), lease.Price).
ToSDKEvent(),
)
}
// OnOrderMatched updates order state to matched
func (k Keeper) OnOrderMatched(ctx sdk.Context, order types.Order) {
order.State = types.OrderActive
k.updateOrder(ctx, order)
}
// OnBidActive updates bid state to matched
func (k Keeper) OnBidMatched(ctx sdk.Context, bid types.Bid) {
bid.State = types.BidActive
k.updateBid(ctx, bid)
}
// OnBidLost updates bid state to bid lost
func (k Keeper) OnBidLost(ctx sdk.Context, bid types.Bid) {
bid.State = types.BidLost
k.updateBid(ctx, bid)
}
// OnBidClosed updates bid state to closed
func (k Keeper) OnBidClosed(ctx sdk.Context, bid types.Bid) {
switch bid.State {
case types.BidClosed, types.BidLost:
return
}
bid.State = types.BidClosed
k.updateBid(ctx, bid)
k.ekeeper.AccountClose(ctx, types.EscrowAccountForBid(bid.ID()))
ctx.EventManager().EmitEvent(
types.NewEventBidClosed(bid.ID(), bid.Price).
ToSDKEvent(),
)
}
// OnOrderClosed updates order state to closed
func (k Keeper) OnOrderClosed(ctx sdk.Context, order types.Order) {
if order.State == types.OrderClosed {
return
}
order.State = types.OrderClosed
k.updateOrder(ctx, order)
ctx.EventManager().EmitEvent(
types.NewEventOrderClosed(order.ID()).
ToSDKEvent(),
)
}
// OnLeaseClosed updates lease state to closed
func (k Keeper) OnLeaseClosed(ctx sdk.Context, lease types.Lease, state types.Lease_State) {
switch lease.State {
case types.LeaseClosed, types.LeaseInsufficientFunds:
return
}
lease.State = state
lease.ClosedOn = ctx.BlockHeight()
k.updateLease(ctx, lease)
ctx.EventManager().EmitEvent(
types.NewEventLeaseClosed(lease.ID(), lease.Price).
ToSDKEvent(),
)
}
// OnGroupClosed updates state of all orders, bids and leases in group to closed
func (k Keeper) OnGroupClosed(ctx sdk.Context, id dtypes.GroupID) {
k.WithOrdersForGroup(ctx, id, func(order types.Order) bool {
k.OnOrderClosed(ctx, order)
k.WithBidsForOrder(ctx, order.ID(), func(bid types.Bid) bool {
k.OnBidClosed(ctx, bid)
if lease, ok := k.GetLease(ctx, types.LeaseID(bid.ID())); ok {
k.OnLeaseClosed(ctx, lease, types.LeaseClosed)
if err := k.ekeeper.PaymentClose(ctx,
dtypes.EscrowAccountForDeployment(id.DeploymentID()),
types.EscrowPaymentForLease(lease.ID())); err != nil {
ctx.Logger().With("err", err).Info("error closing payment")
}
}
return false
})
return false
})
}
// GetOrder returns order with given orderID from market store
func (k Keeper) GetOrder(ctx sdk.Context, id types.OrderID) (types.Order, bool) {
store := ctx.KVStore(k.skey)
key := keys.OrderKey(id)
if !store.Has(key) {
return types.Order{}, false
}
buf := store.Get(key)
var val types.Order
k.cdc.MustUnmarshal(buf, &val)
return val, true
}
// GetBid returns bid with given bidID from market store
func (k Keeper) GetBid(ctx sdk.Context, id types.BidID) (types.Bid, bool) {
store := ctx.KVStore(k.skey)
key := keys.BidKey(id)
if !store.Has(key) {
return types.Bid{}, false
}
buf := store.Get(key)
var val types.Bid
k.cdc.MustUnmarshal(buf, &val)
return val, true
}
// GetLease returns lease with given leaseID from market store
func (k Keeper) GetLease(ctx sdk.Context, id types.LeaseID) (types.Lease, bool) {
store := ctx.KVStore(k.skey)
key := keys.LeaseKey(id)
if !store.Has(key) {
return types.Lease{}, false
}
buf := store.Get(key)
var val types.Lease
k.cdc.MustUnmarshal(buf, &val)
return val, true
}
// LeaseForOrder returns lease for order with given ID and lease found status
func (k Keeper) LeaseForOrder(ctx sdk.Context, oid types.OrderID) (types.Lease, bool) {
var (
value types.Lease
found bool
)
k.WithBidsForOrder(ctx, oid, func(item types.Bid) bool {
if !item.ID().OrderID().Equals(oid) {
return false
}
if item.State != types.BidActive {
return false
}
value, found = k.GetLease(ctx, types.LeaseID(item.ID()))
return true
})
return value, found
}
// WithOrders iterates all orders in market
func (k Keeper) WithOrders(ctx sdk.Context, fn func(types.Order) bool) {
store := ctx.KVStore(k.skey)
iter := sdk.KVStorePrefixIterator(store, types.OrderPrefix())
defer iter.Close()
for ; iter.Valid(); iter.Next() {
var val types.Order
k.cdc.MustUnmarshal(iter.Value(), &val)
if stop := fn(val); stop {
break
}
}
}
// WithBids iterates all bids in market
func (k Keeper) WithBids(ctx sdk.Context, fn func(types.Bid) bool) {
store := ctx.KVStore(k.skey)
iter := sdk.KVStorePrefixIterator(store, types.BidPrefix())
defer iter.Close()
for ; iter.Valid(); iter.Next() {
var val types.Bid
k.cdc.MustUnmarshal(iter.Value(), &val)
if stop := fn(val); stop {
break
}
}
}
// WithLeases iterates all leases in market
func (k Keeper) WithLeases(ctx sdk.Context, fn func(types.Lease) bool) {
store := ctx.KVStore(k.skey)
iter := sdk.KVStorePrefixIterator(store, types.LeasePrefix())
defer iter.Close()
for ; iter.Valid(); iter.Next() {
var val types.Lease
k.cdc.MustUnmarshal(iter.Value(), &val)
if stop := fn(val); stop {
break
}
}
}
// WithOrdersForGroup iterates all orders of a group in market with given GroupID
func (k Keeper) WithOrdersForGroup(ctx sdk.Context, id dtypes.GroupID, fn func(types.Order) bool) {
store := ctx.KVStore(k.skey)
iter := sdk.KVStorePrefixIterator(store, keys.OrdersForGroupPrefix(id))
defer iter.Close()
for ; iter.Valid(); iter.Next() {
var val types.Order
k.cdc.MustUnmarshal(iter.Value(), &val)
if stop := fn(val); stop {
break
}
}
}
// WithBidsForOrder iterates all bids of a order in market with given OrderID
func (k Keeper) WithBidsForOrder(ctx sdk.Context, id types.OrderID, fn func(types.Bid) bool) {
store := ctx.KVStore(k.skey)
iter := sdk.KVStorePrefixIterator(store, keys.BidsForOrderPrefix(id))
defer iter.Close()
for ; iter.Valid(); iter.Next() {
var val types.Bid
k.cdc.MustUnmarshal(iter.Value(), &val)
if stop := fn(val); stop {
break
}
}
}
func (k Keeper) BidCountForOrder(ctx sdk.Context, id types.OrderID) uint32 {
store := ctx.KVStore(k.skey)
iter := sdk.KVStorePrefixIterator(store, keys.BidsForOrderPrefix(id))
defer iter.Close()
count := uint32(0)
for ; iter.Valid(); iter.Next() {
count++
}
return count
}
// GetParams returns the total set of deployment parameters.
func (k Keeper) GetParams(ctx sdk.Context) (params types.Params) {
k.pspace.GetParamSet(ctx, ¶ms)
return params
}
// SetParams sets the deployment parameters to the paramspace.
func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
k.pspace.SetParamSet(ctx, ¶ms)
}
func (k Keeper) updateOrder(ctx sdk.Context, order types.Order) {
store := ctx.KVStore(k.skey)
key := keys.OrderKey(order.ID())
store.Set(key, k.cdc.MustMarshal(&order))
}
func (k Keeper) updateBid(ctx sdk.Context, bid types.Bid) {
store := ctx.KVStore(k.skey)
key := keys.BidKey(bid.ID())
store.Set(key, k.cdc.MustMarshal(&bid))
}
func (k Keeper) updateLease(ctx sdk.Context, lease types.Lease) {
store := ctx.KVStore(k.skey)
key := keys.LeaseKey(lease.ID())
store.Set(key, k.cdc.MustMarshal(&lease))
}