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stratoschain_events.go
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stratoschain_events.go
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package handlers
import (
"bytes"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"net/http"
"strconv"
sdkTypes "github.com/cosmos/cosmos-sdk/types"
setting "github.com/stratosnet/sds/cmd/relayd/config"
"github.com/stratosnet/sds/msg/protos"
"github.com/stratosnet/sds/relay"
"github.com/stratosnet/sds/utils"
"github.com/stratosnet/sds/utils/types"
"github.com/tendermint/tendermint/crypto/ed25519"
coretypes "github.com/tendermint/tendermint/rpc/core/types"
)
// TODO: update remaining handlers to be able to process multiple events
func CreateResourceNodeMsgHandler() func(event coretypes.ResultEvent) {
return func(result coretypes.ResultEvent) {
_, p2pAddressString, err := getP2pAddressFromEvent(result, "create_resource_node", "network_address")
if err != nil {
utils.ErrorLog(err.Error())
return
}
nodePubkeyList := result.Events["create_resource_node.pub_key"]
if len(nodePubkeyList) < 1 {
utils.ErrorLog("No node pubkey was specified in the create_resource_node message from stratos-chain")
return
}
p2pPubkeyRaw, err := hex.DecodeString(nodePubkeyList[0])
if err != nil {
utils.ErrorLog("Error when trying to decode P2P pubkey hex", err)
return
}
p2pPubkey := ed25519.PubKeyEd25519{}
err = relay.Cdc.UnmarshalBinaryBare(p2pPubkeyRaw, &p2pPubkey)
if err != nil {
utils.ErrorLog("Error when trying to read P2P pubkey ed25519 binary", err)
return
}
ozoneLimitChangeStr := result.Events["create_resource_node.ozone_limit_changes"]
txHashList := result.Events["tx.hash"]
if len(txHashList) < 1 {
utils.ErrorLog("No txHash was specified in the create_resource_node message from stratos-chain")
return
}
activatedMsg := &protos.ReqActivatedPP{
P2PAddress: p2pAddressString,
P2PPubkey: hex.EncodeToString(p2pPubkey[:]),
OzoneLimitChanges: ozoneLimitChangeStr[0],
TxHash: txHashList[0],
}
err = postToSP("/pp/activated", activatedMsg)
if err != nil {
utils.ErrorLog(err)
return
}
}
}
func UpdateResourceNodeStakeMsgHandler() func(event coretypes.ResultEvent) {
return func(result coretypes.ResultEvent) {
_, p2pAddressString, err := getP2pAddressFromEvent(result, "update_resource_node_stake", "network_address")
if err != nil {
utils.ErrorLog(err.Error())
return
}
ozoneLimitChangeStr := result.Events["update_resource_node_stake.ozone_limit_changes"]
incrStakeBoolList := result.Events["update_resource_node_stake.incr_stake"]
if len(incrStakeBoolList) < 1 {
utils.ErrorLog("No incr stake status was specified in the update_resource_node_stake message from stratos-chain")
return
}
txHashList := result.Events["tx.hash"]
if len(txHashList) < 1 {
utils.ErrorLog("No txHash was specified in the update_resource_node_stake message from stratos-chain")
return
}
updatedStakeMsg := &protos.ReqUpdatedStakePP{
P2PAddress: p2pAddressString,
OzoneLimitChanges: ozoneLimitChangeStr[0],
IncrStake: incrStakeBoolList[0],
TxHash: txHashList[0],
}
err = postToSP("/pp/updatedStake", updatedStakeMsg)
if err != nil {
utils.ErrorLog(err)
return
}
}
}
func UnbondingResourceNodeMsgHandler() func(event coretypes.ResultEvent) {
return func(result coretypes.ResultEvent) {
_, p2pAddressString, err := getP2pAddressFromEvent(result, "unbonding_resource_node", "resource_node")
if err != nil {
utils.ErrorLog(err.Error())
return
}
// get ozone limit change
ozoneLimitChange := result.Events["unbonding_resource_node.ozone_limit_changes"]
ozoneLimitChangeStr := ozoneLimitChange[0]
// get mature time
ubdMatureTime := result.Events["unbonding_resource_node.unbonding_mature_time"]
ubdMatureTimeStr := ubdMatureTime[0]
txHashList := result.Events["tx.hash"]
if len(txHashList) < 1 {
utils.ErrorLog("No txHash was specified in the unbonding_resource_node message from stratos-chain")
return
}
ubdMsg := &protos.ReqUnbondingPP{
P2PAddress: p2pAddressString,
OzoneLimitChanges: ozoneLimitChangeStr,
UnbondingMatureTime: ubdMatureTimeStr,
TxHash: txHashList[0],
}
err = postToSP("/pp/unbonding", ubdMsg)
if err != nil {
utils.ErrorLog(err)
return
}
}
}
func RemoveResourceNodeMsgHandler() func(event coretypes.ResultEvent) {
return func(result coretypes.ResultEvent) {
_, p2pAddressString, err := getP2pAddressFromEvent(result, "remove_resource_node", "resource_node")
if err != nil {
utils.ErrorLog(err.Error())
return
}
deactivatedMsg := &protos.ReqDeactivatedPP{
P2PAddress: p2pAddressString,
}
txHashList := result.Events["tx.hash"]
if len(txHashList) < 1 {
utils.ErrorLog("No txHash was specified in the remove_resource_node message from stratos-chain")
return
}
err = postToSP("/pp/deactivated", deactivatedMsg)
if err != nil {
utils.ErrorLog(err)
return
}
}
}
func CompleteUnbondingResourceNodeMsgHandler() func(event coretypes.ResultEvent) {
return RemoveResourceNodeMsgHandler()
}
func CreateIndexingNodeMsgHandler() func(event coretypes.ResultEvent) {
return func(result coretypes.ResultEvent) {
// TODO
utils.Log(fmt.Sprintf("%+v", result))
}
}
func UpdateIndexingNodeStakeMsgHandler() func(event coretypes.ResultEvent) {
return func(result coretypes.ResultEvent) {
_, p2pAddressString, err := getP2pAddressFromEvent(result, "update_indexing_node_stake", "network_address")
if err != nil {
utils.ErrorLog(err.Error())
return
}
ozoneLimitChangeStr := result.Events["update_indexing_node_stake.ozone_limit_changes"]
incrStakeBoolList := result.Events["update_indexing_node_stake.incr_stake"]
if len(incrStakeBoolList) < 1 {
utils.ErrorLog("No incr stake status was specified in the update_indexing_node_stake message from stratos-chain")
return
}
txHashList := result.Events["tx.hash"]
if len(txHashList) < 1 {
utils.ErrorLog("No txHash was specified in the update_indexing_node_stake message from stratos-chain")
return
}
updatedStakeMsg := &protos.ReqUpdatedStakeSP{
P2PAddress: p2pAddressString,
OzoneLimitChanges: ozoneLimitChangeStr[0],
IncrStake: incrStakeBoolList[0],
TxHash: txHashList[0],
}
err = postToSP("/chain/updatedStake", updatedStakeMsg)
if err != nil {
utils.ErrorLog(err)
return
}
}
}
func UnbondingIndexingNodeMsgHandler() func(event coretypes.ResultEvent) {
return func(result coretypes.ResultEvent) {
// TODO
utils.Logf("%+v\n", result)
}
}
func RemoveIndexingNodeMsgHandler() func(event coretypes.ResultEvent) {
return func(result coretypes.ResultEvent) {
// TODO
utils.Logf("%+v", result)
}
}
func CompleteUnbondingIndexingNodeMsgHandler() func(event coretypes.ResultEvent) {
return RemoveIndexingNodeMsgHandler()
}
func IndexingNodeVoteMsgHandler() func(event coretypes.ResultEvent) {
return func(result coretypes.ResultEvent) {
_, p2pAddressString, err := getP2pAddressFromEvent(result, "indexing_node_reg_vote", "candidate_network_address")
if err != nil {
utils.ErrorLog(err.Error())
return
}
candidateStatusList := result.Events["indexing_node_reg_vote.candidate_status"]
if len(candidateStatusList) < 1 {
utils.ErrorLog("No candidate status was specified in the indexing_node_reg_vote message from stratos-chain")
return
}
if candidateStatusList[0] != sdkTypes.BondStatusBonded {
utils.DebugLog("Indexing node vote handler: The candidate needs more votes before being considered active")
return
}
txHashList := result.Events["tx.hash"]
if len(txHashList) < 1 {
utils.ErrorLog("No txHash was specified in the indexing_node_reg_vote message from stratos-chain")
return
}
activatedMsg := &protos.ReqActivatedSP{
P2PAddress: p2pAddressString,
TxHash: txHashList[0],
}
err = postToSP("/chain/activated", activatedMsg)
if err != nil {
utils.ErrorLog(err)
return
}
}
}
func PrepayMsgHandler() func(event coretypes.ResultEvent) {
return func(result coretypes.ResultEvent) {
utils.Log(fmt.Sprintf("%+v", result))
reporterList := result.Events["Prepay.sender"]
if len(reporterList) < 1 {
utils.ErrorLog("No wallet address was specified in the prepay message from stratos-chain")
return
}
purchasedUozList := result.Events["Prepay.purchased"]
if len(purchasedUozList) < 1 {
utils.ErrorLog("No purchased ozone amount was specified in the prepay message from stratos-chain")
return
}
txHashList := result.Events["tx.hash"]
if len(txHashList) < 1 {
utils.ErrorLog("No txHash was specified in the prepay message from stratos-chain")
return
}
prepaidMsg := &protos.ReqPrepaid{
WalletAddress: reporterList[0],
PurchasedUoz: purchasedUozList[0],
TxHash: txHashList[0],
}
err := postToSP("/pp/prepaid", prepaidMsg)
if err != nil {
utils.ErrorLog(err)
return
}
}
}
func FileUploadMsgHandler() func(event coretypes.ResultEvent) {
return func(result coretypes.ResultEvent) {
reporterAddressList := result.Events["FileUpload.reporter"]
if len(reporterAddressList) < 1 {
utils.ErrorLog("No reporter address was specified in the FileUploadTx message from stratos-chain")
return
}
uploaderAddressList := result.Events["FileUpload.uploader"]
if len(uploaderAddressList) < 1 {
utils.ErrorLog("No uploader address was specified in the FileUploadTx message from stratos-chain")
return
}
fileHashList := result.Events["FileUpload.file_hash"]
if len(fileHashList) < 1 {
utils.ErrorLog("No file hash was specified in the FileUploadTx message from stratos-chain")
return
}
txHashList := result.Events["tx.hash"]
if len(txHashList) < 1 {
utils.ErrorLog("No txHash was specified in the FileUploadTx message from stratos-chain")
return
}
uploadedMsg := &protos.Uploaded{
ReporterAddress: reporterAddressList[0],
UploaderAddress: uploaderAddressList[0],
FileHash: fileHashList[0],
TxHash: txHashList[0],
}
err := postToSP("/pp/uploaded", uploadedMsg)
if err != nil {
utils.ErrorLog(err)
return
}
}
}
type VolumeReportedReq struct {
Epoch string `json:"epoch"`
}
func VolumeReportHandler() func(event coretypes.ResultEvent) {
return func(result coretypes.ResultEvent) {
epochList := result.Events["volume_report.epoch"]
if len(epochList) < 1 {
utils.ErrorLog("No epoch was specified in the volume_report message from stratos-chain")
return
}
volumeReportedMsg := VolumeReportedReq{Epoch: epochList[0]}
err := postToSP("/volume/reported", volumeReportedMsg)
if err != nil {
utils.ErrorLog(err)
return
}
}
}
type SlashedPP struct {
P2PAddress string `json:"p2p_address"`
QueryFirst bool `json:"query_first"`
Suspended bool `json:"suspended"`
}
type SlashedPPReq struct {
PPList []SlashedPP `json:"pp_list"`
}
func SlashingResourceNodeHandler() func(event coretypes.ResultEvent) {
return func(result coretypes.ResultEvent) {
requiredAttributes := []string{
"slashing.network_address",
"slashing.suspended",
}
processedEvents, initialEventCount := processEvents(result.Events, requiredAttributes)
var slashedPPs []SlashedPP
for _, event := range processedEvents {
_, p2pAddressString, err := getP2pAddressFromAttribute(event["slashing.network_address"])
if err != nil {
utils.DebugLog("Invalid P2P address in the slashing message from stratos-chain", err)
continue
}
suspended, err := strconv.ParseBool(event["slashing.suspended"])
if err != nil {
utils.DebugLog("Invalid suspended boolean in the slashing message from stratos-chain", err)
continue
}
slashedPP := SlashedPP{
P2PAddress: p2pAddressString,
QueryFirst: false,
Suspended: suspended,
}
slashedPPs = append(slashedPPs, slashedPP)
}
if len(slashedPPs) != initialEventCount {
utils.ErrorLogf("slashing message handler couldn't process all events (success: %v missing_attribute: %v invalid_attribute: %v",
len(slashedPPs), initialEventCount-len(processedEvents), len(processedEvents)-len(slashedPPs))
}
if len(slashedPPs) == 0 {
return
}
slashedPPMsg := SlashedPPReq{
PPList: slashedPPs,
}
err := postToSP("/pp/slashed", slashedPPMsg)
if err != nil {
utils.ErrorLog(err)
return
}
}
}
func postToSP(endpoint string, data interface{}) error {
jsonData, err := json.Marshal(data)
if err != nil {
return errors.New("Error when trying to marshal data to json: " + err.Error())
}
url := utils.Url{
Scheme: "http",
Host: setting.Config.SDS.NetworkAddress,
Port: setting.Config.SDS.ApiPort,
Path: endpoint,
}
resp, err := http.Post(url.String(true, true, true, false), "application/json", bytes.NewBuffer(jsonData))
if err != nil {
return errors.New("Error when calling " + endpoint + " endpoint in SP node: " + err.Error())
}
var res map[string]interface{}
json.NewDecoder(resp.Body).Decode(&res)
utils.Log(endpoint+" endpoint response from SP node", resp.StatusCode, res["Msg"])
return nil
}
func getP2pAddressFromEvent(result coretypes.ResultEvent, eventName, attribName string) (types.Address, string, error) {
attribSlice := result.Events[eventName+"."+attribName]
if len(attribSlice) < 1 {
return types.Address{}, "", errors.New("no " + attribName + " was specified in " + eventName + " msg from st-chain")
}
return getP2pAddressFromAttribute(attribSlice[0])
}
func getP2pAddressFromAttribute(attribute string) (types.Address, string, error) {
p2pAddress, err := types.P2pAddressFromBech(attribute)
if err != nil {
return types.Address{}, "", errors.New("error when trying to convert P2P address to bytes")
}
return p2pAddress, attribute, nil
}
func processEvents(eventsMap map[string][]string, attributesRequired []string) (processedEvents []map[string]string, totalEventCount int) {
if len(attributesRequired) < 1 {
return nil, 0
}
// Count how many events are valid (all required attributes are present)
validEventCount := len(eventsMap[attributesRequired[0]])
for _, attribute := range attributesRequired {
numberOfEvents := len(eventsMap[attribute])
if numberOfEvents > totalEventCount {
totalEventCount = numberOfEvents
}
if numberOfEvents < validEventCount {
validEventCount = numberOfEvents
}
}
// Separate the events map into an individual map for each valid event
for i := 0; i < validEventCount; i++ {
processedEvent := make(map[string]string)
for _, attribute := range attributesRequired {
processedEvent[attribute] = eventsMap[attribute][i]
}
processedEvents = append(processedEvents, processedEvent)
}
return
}