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query.go
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query.go
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package rest
import (
"fmt"
"net/http"
"github.com/cosmos/cosmos-sdk/client/context"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/rest"
"github.com/cosmos/cosmos-sdk/x/auth/client/utils"
"github.com/gorilla/mux"
"github.com/bandprotocol/d3n/chain/x/zoracle/internal/types"
)
// buildTxDetail takes a TxResponse instance and builds new TxDetail contains only necessary fields.
func buildTxDetail(tx *sdk.TxResponse) TxDetail {
return TxDetail{
Hash: tx.TxHash,
Height: tx.Height,
Timestamp: tx.Timestamp,
}
}
// buildRequestRESTInfo takes a RequestQuerierInfo instance and builds a more comprehensive version of it.
func buildRequestRESTInfo(
ctx context.CLIContext, queryRequest types.RequestQuerierInfo, withRequestTx, withReportTx bool,
) (RequestRESTInfo, error) {
var request RequestRESTInfo
request.ID = queryRequest.ID
request.OracleScriptID = queryRequest.Request.OracleScriptID
request.Calldata = queryRequest.Request.Calldata
request.RequestedValidators = queryRequest.Request.RequestedValidators
request.SufficientValidatorCount = queryRequest.Request.SufficientValidatorCount
request.ExpirationHeight = queryRequest.Request.ExpirationHeight
request.ResolveStatus = queryRequest.Request.ResolveStatus
request.RawDataRequests = queryRequest.RawDataRequests
request.Result = queryRequest.Result
if withRequestTx {
// Get request detail
searchRequest, err := utils.QueryTxsByEvents(
ctx,
[]string{fmt.Sprintf("%s.%s='%d'",
types.EventTypeRequest, types.AttributeKeyID, queryRequest.ID)},
1,
1,
)
if err != nil || len(searchRequest.Txs) != 1 {
return RequestRESTInfo{}, err
}
request.RequestTx = buildTxDetail(&searchRequest.Txs[0])
for _, msg := range searchRequest.Txs[0].Tx.GetMsgs() {
msgRequest, ok := msg.(types.MsgRequestData)
if ok {
request.Requester = msgRequest.Sender
break
}
}
}
txReportMap := make(map[string]TxDetail)
if withReportTx {
// Save report tx
searchReports, err := utils.QueryTxsByEvents(
ctx,
[]string{fmt.Sprintf("%s.%s='%d'",
types.EventTypeReport, types.AttributeKeyRequestID, queryRequest.ID)},
1,
10000, // Estimated validator reports
)
if err != nil {
return RequestRESTInfo{}, err
}
for _, report := range searchReports.Txs {
for _, msg := range report.Tx.GetMsgs() {
msgReport, ok := msg.(types.MsgReportData)
if ok {
txReportMap[string(msgReport.Sender)] = buildTxDetail(&report)
break
}
}
}
}
request.Reports = make([]ReportDetail, 0)
for _, queryReport := range queryRequest.Reports {
report, ok := txReportMap[string(queryReport.Validator)]
if !ok {
report = TxDetail{}
}
request.Reports = append(
request.Reports,
ReportDetail{
Reporter: queryReport.Validator,
Value: queryReport.RawDataReports,
Tx: report,
},
)
}
return request, nil
}
func getDataSourceByIDHandler(cliCtx context.CLIContext, storeName string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
dataSourceID := vars[dataSourceIDTag]
var queryDataSource types.DataSourceQuerierInfo
res, _, err := cliCtx.QueryWithData(fmt.Sprintf("custom/%s/data_source/%s", storeName, dataSourceID), nil)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
err = cliCtx.Codec.UnmarshalJSON(res, &queryDataSource)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
rest.PostProcessResponse(w, cliCtx, queryDataSource)
}
}
func getDataSourcesHandler(cliCtx context.CLIContext, storeName string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
_, page, limit, err := rest.ParseHTTPArgsWithLimit(r, 100)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
}
var queryDataSources []types.DataSourceQuerierInfo
res, _, err := cliCtx.QueryWithData(fmt.Sprintf("custom/%s/data_sources/%d/%d", storeName, 1+(page-1)*limit, limit), nil)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
err = cliCtx.Codec.UnmarshalJSON(res, &queryDataSources)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
rest.PostProcessResponse(w, cliCtx, queryDataSources)
}
}
func getOracleScriptByIDHandler(cliCtx context.CLIContext, storeName string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
oracleScriptID := vars[oracleScriptIDTag]
var queryOracleScript types.OracleScriptQuerierInfo
res, _, err := cliCtx.Query(fmt.Sprintf("custom/%s/oracle_script/%s", storeName, oracleScriptID))
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
err = cliCtx.Codec.UnmarshalJSON(res, &queryOracleScript)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
rest.PostProcessResponse(w, cliCtx, queryOracleScript)
}
}
func getOracleScriptsHandler(cliCtx context.CLIContext, storeName string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
_, page, limit, err := rest.ParseHTTPArgsWithLimit(r, 100)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
}
var queryOracleScripts []types.OracleScriptQuerierInfo
res, _, err := cliCtx.QueryWithData(fmt.Sprintf("custom/%s/oracle_scripts/%d/%d", storeName, 1+(page-1)*limit, limit), nil)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
err = cliCtx.Codec.UnmarshalJSON(res, &queryOracleScripts)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
rest.PostProcessResponse(w, cliCtx, queryOracleScripts)
}
}
func getRequestByIDHandler(cliCtx context.CLIContext, storeName string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
requestID := vars[requestIDTag]
var queryRequest types.RequestQuerierInfo
res, _, err := cliCtx.QueryWithData(fmt.Sprintf("custom/%s/request/%s", storeName, requestID), nil)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
err = cliCtx.Codec.UnmarshalJSON(res, &queryRequest)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
request, err := buildRequestRESTInfo(cliCtx, queryRequest, true, true)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
rest.PostProcessResponse(w, cliCtx, request)
}
}
func getRequestsHandler(cliCtx context.CLIContext, storeName string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
_, page, limit, err := rest.ParseHTTPArgsWithLimit(r, 100)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
}
res, _, err := cliCtx.QueryWithData(fmt.Sprintf("custom/%s/request_number", storeName), nil)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
var requestNumber int64
err = cliCtx.Codec.UnmarshalJSON(res, &requestNumber)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
firstID := requestNumber - int64(page*limit) + 1
lastID := requestNumber - int64((page-1)*limit)
if lastID < 1 {
rest.PostProcessResponse(w, cliCtx, []types.RequestQuerierInfo{})
return
}
if firstID < 1 {
firstID = 1
}
var queryRequests []types.RequestQuerierInfo
res, _, err = cliCtx.QueryWithData(fmt.Sprintf("custom/%s/requests/%d/%d", storeName, firstID, lastID-firstID+1), nil)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
err = cliCtx.Codec.UnmarshalJSON(res, &queryRequests)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
var requests []RequestRESTInfo
for idx := len(queryRequests) - 1; idx >= 0; idx-- {
request, err := buildRequestRESTInfo(cliCtx, queryRequests[idx], true, true)
if err == nil {
requests = append(requests, request)
}
}
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
rest.PostProcessResponse(w, cliCtx, requests)
}
}
func getRequestNumberHandler(cliCtx context.CLIContext, storeName string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
res, _, err := cliCtx.QueryWithData(fmt.Sprintf("custom/%s/request_number", storeName), nil)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
var requestNumber uint64
err = cliCtx.Codec.UnmarshalJSON(res, &requestNumber)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
rest.PostProcessResponse(w, cliCtx, requestNumber)
}
}