forked from akash-network/node
/
app.go
255 lines (216 loc) · 5.73 KB
/
app.go
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package order
import (
"fmt"
"strings"
"github.com/gogo/protobuf/proto"
apptypes "github.com/ovrclk/akash/app/types"
"github.com/ovrclk/akash/keys"
appstate "github.com/ovrclk/akash/state"
"github.com/ovrclk/akash/types"
"github.com/ovrclk/akash/types/code"
abci_types "github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/libs/log"
)
const (
Name = apptypes.TagAppOrder
)
type app struct {
*apptypes.BaseApp
}
func NewApp(logger log.Logger) (apptypes.Application, error) {
return &app{apptypes.NewBaseApp(Name, logger)}, nil
}
func (a *app) AcceptQuery(req abci_types.RequestQuery) bool {
return strings.HasPrefix(req.GetPath(), appstate.OrderPath)
}
func (a *app) AcceptTx(ctx apptypes.Context, tx interface{}) bool {
switch tx.(type) {
case *types.TxPayload_TxCreateOrder:
return true
}
return false
}
func (a *app) CheckTx(state appstate.State, ctx apptypes.Context, tx interface{}) abci_types.ResponseCheckTx {
switch tx := tx.(type) {
case *types.TxPayload_TxCreateOrder:
return a.doCheckCreateTx(state, ctx, tx.TxCreateOrder)
}
return abci_types.ResponseCheckTx{
Code: code.UNKNOWN_TRANSACTION,
Log: "unknown transaction",
}
}
func (a *app) DeliverTx(state appstate.State, ctx apptypes.Context, tx interface{}) abci_types.ResponseDeliverTx {
switch tx := tx.(type) {
case *types.TxPayload_TxCreateOrder:
return a.doDeliverCreateTx(state, ctx, tx.TxCreateOrder)
}
return abci_types.ResponseDeliverTx{
Code: code.UNKNOWN_TRANSACTION,
Log: "unknown transaction",
}
}
func (a *app) Query(state appstate.State, req abci_types.RequestQuery) abci_types.ResponseQuery {
if !a.AcceptQuery(req) {
return abci_types.ResponseQuery{
Code: code.UNKNOWN_QUERY,
Log: "invalid key",
}
}
// TODO: Partial Key Parsing
id := strings.TrimPrefix(req.Path, appstate.OrderPath)
if len(id) == 0 {
return a.doRangeQuery(state)
}
key, err := keys.ParseOrderPath(id)
if err != nil {
return abci_types.ResponseQuery{
Code: code.ERROR,
Log: err.Error(),
}
}
return a.doQuery(state, key)
}
func (a *app) doQuery(state appstate.State, key keys.Order) abci_types.ResponseQuery {
depo, err := state.Order().Get(key.ID())
if err != nil {
return abci_types.ResponseQuery{
Code: code.ERROR,
Log: err.Error(),
}
}
if depo == nil {
return abci_types.ResponseQuery{
Code: code.NOT_FOUND,
Log: fmt.Sprintf("order %v not found", key.Path()),
}
}
bytes, err := proto.Marshal(depo)
if err != nil {
return abci_types.ResponseQuery{
Code: code.ERROR,
Log: err.Error(),
}
}
return abci_types.ResponseQuery{
Value: bytes,
Height: int64(state.Version()),
}
}
func (a *app) doRangeQuery(state appstate.State) abci_types.ResponseQuery {
items, err := state.Order().All()
if err != nil {
return abci_types.ResponseQuery{
Code: code.ERROR,
Log: err.Error(),
}
}
coll := &types.Orders{Items: items}
bytes, err := proto.Marshal(coll)
if err != nil {
return abci_types.ResponseQuery{
Code: code.ERROR,
Log: err.Error(),
}
}
return abci_types.ResponseQuery{
Value: bytes,
Height: state.Version(),
}
}
func (a *app) doCheckCreateTx(state appstate.State, ctx apptypes.Context, tx *types.TxCreateOrder) abci_types.ResponseCheckTx {
// todo: ensure signed by last block creator / valid market facilitator
// ensure order provided
if tx.Deployment == nil {
return abci_types.ResponseCheckTx{
Code: code.INVALID_TRANSACTION,
Log: "No deployment specified",
}
}
// ensure deployment exists
deployment, err := state.Deployment().Get(tx.Deployment)
if err != nil {
return abci_types.ResponseCheckTx{
Code: code.INVALID_TRANSACTION,
Log: err.Error(),
}
}
if deployment == nil {
return abci_types.ResponseCheckTx{
Code: code.INVALID_TRANSACTION,
Log: "Deployment not found",
}
}
// ensure deployment in correct state
if deployment.GetState() != types.Deployment_ACTIVE {
return abci_types.ResponseCheckTx{
Code: code.INVALID_TRANSACTION,
Log: "Deployment not in active state",
}
}
// ensure deployment group exists
group, err := state.DeploymentGroup().Get(tx.GroupID())
if err != nil {
return abci_types.ResponseCheckTx{
Code: code.ERROR,
Log: err.Error(),
}
}
if group == nil {
return abci_types.ResponseCheckTx{
Code: code.INVALID_TRANSACTION,
Log: "Group not found",
}
}
// ensure deployment group in correct state
if group.GetState() != types.DeploymentGroup_OPEN {
return abci_types.ResponseCheckTx{
Code: code.INVALID_TRANSACTION,
Log: "Group not in open state",
}
}
// ensure no other open orders
others, err := state.Order().ForGroup(group.DeploymentGroupID)
if err != nil {
return abci_types.ResponseCheckTx{
Code: code.ERROR,
Log: err.Error(),
}
}
for _, other := range others {
if other.GetState() == types.Order_OPEN {
return abci_types.ResponseCheckTx{
Code: code.INVALID_TRANSACTION,
Log: "Order already exists for group",
}
}
}
return abci_types.ResponseCheckTx{}
}
func (a *app) doDeliverCreateTx(state appstate.State, ctx apptypes.Context, tx *types.TxCreateOrder) abci_types.ResponseDeliverTx {
cresp := a.doCheckCreateTx(state, ctx, tx)
if !cresp.IsOK() {
return abci_types.ResponseDeliverTx{
Code: cresp.Code,
Log: cresp.Log,
}
}
oseq := state.Deployment().SequenceFor(tx.Deployment)
oseq.Advance()
order := &types.Order{
OrderID: tx.OrderID,
EndAt: tx.EndAt,
State: types.Order_OPEN,
}
// order.Order = oseq.Advance()
order.State = types.Order_OPEN
if err := state.Order().Save(order); err != nil {
return abci_types.ResponseDeliverTx{
Code: code.INVALID_TRANSACTION,
Log: err.Error(),
}
}
return abci_types.ResponseDeliverTx{
Tags: apptypes.NewTags(a.Name(), apptypes.TxTypeCreateOrder),
}
}