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feat: add get Runes info batch api (#73)
* fix: make existing handlers use new total holders usecase * fix: error msg * feat: add get token info batch * feat: add includeHoldersCount in get tokens api * refactor: extract response mapping * fix: rename new field and add holdersCount to extend * fix: query params array * fix: error msg * fix: struct tags * fix: remove error * feat: add default value to additional fields
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| package httphandler | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "net/url" | ||
|
|
||
| "github.com/cockroachdb/errors" | ||
| "github.com/gaze-network/indexer-network/common/errs" | ||
| "github.com/gaze-network/indexer-network/modules/runes/runes" | ||
| "github.com/gofiber/fiber/v2" | ||
| "github.com/samber/lo" | ||
| ) | ||
|
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| type getTokenInfoBatchRequest struct { | ||
| Ids []string `json:"ids"` | ||
| BlockHeight uint64 `json:"blockHeight"` | ||
| AdditionalFields []string `json:"additionalFields"` | ||
| } | ||
|
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| const getTokenInfoBatchMaxQueries = 100 | ||
|
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| func (r *getTokenInfoBatchRequest) Validate() error { | ||
| var errList []error | ||
|
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| if len(r.Ids) == 0 { | ||
| errList = append(errList, errors.New("ids cannot be empty")) | ||
| } | ||
| if len(r.Ids) > getTokenInfoBatchMaxQueries { | ||
| errList = append(errList, errors.Errorf("cannot query more than %d ids", getTokenInfoBatchMaxQueries)) | ||
| } | ||
| for i := range r.Ids { | ||
| id, err := url.QueryUnescape(r.Ids[i]) | ||
| if err != nil { | ||
| return errors.WithStack(err) | ||
| } | ||
| r.Ids[i] = id | ||
| if !isRuneIdOrRuneName(r.Ids[i]) { | ||
| errList = append(errList, errors.Errorf("ids[%d]: id '%s' is not valid rune id or rune name", i, r.Ids[i])) | ||
| } | ||
| } | ||
|
|
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| return errs.WithPublicMessage(errors.Join(errList...), "validation error") | ||
| } | ||
|
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| type getTokenInfoBatchResult struct { | ||
| List []*getTokenInfoResult `json:"list"` | ||
| } | ||
| type getTokenInfoBatchResponse = HttpResponse[getTokenInfoBatchResult] | ||
|
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| func (h *HttpHandler) GetTokenInfoBatch(ctx *fiber.Ctx) (err error) { | ||
| var req getTokenInfoBatchRequest | ||
| if err := ctx.BodyParser(&req); err != nil { | ||
| return errors.WithStack(err) | ||
| } | ||
| if err := req.Validate(); err != nil { | ||
| return errors.WithStack(err) | ||
| } | ||
|
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| blockHeight := req.BlockHeight | ||
| if blockHeight == 0 { | ||
| blockHeader, err := h.usecase.GetLatestBlock(ctx.UserContext()) | ||
| if err != nil { | ||
| if errors.Is(err, errs.NotFound) { | ||
| return errs.NewPublicError("latest block not found") | ||
| } | ||
| return errors.Wrap(err, "error during GetLatestBlock") | ||
| } | ||
| blockHeight = uint64(blockHeader.Height) | ||
| } | ||
|
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| runeIds := make([]runes.RuneId, 0) | ||
| for i, id := range req.Ids { | ||
| runeId, ok := h.resolveRuneId(ctx.UserContext(), id) | ||
| if !ok { | ||
| return errs.NewPublicError(fmt.Sprintf("unable to resolve rune id \"%s\" from \"ids[%d]\"", id, i)) | ||
| } | ||
| runeIds = append(runeIds, runeId) | ||
| } | ||
|
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||
| runeEntries, err := h.usecase.GetRuneEntryByRuneIdAndHeightBatch(ctx.UserContext(), runeIds, blockHeight) | ||
| if err != nil { | ||
| return errors.Wrap(err, "error during GetRuneEntryByRuneIdAndHeightBatch") | ||
| } | ||
| holdersCounts := make(map[runes.RuneId]int64) | ||
| if lo.Contains(req.AdditionalFields, "holdersCount") { | ||
| holdersCounts, err = h.usecase.GetTotalHoldersByRuneIds(ctx.UserContext(), runeIds, blockHeight) | ||
| if err != nil { | ||
| return errors.Wrap(err, "error during GetBalancesByRuneId") | ||
| } | ||
| } | ||
|
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| results := make([]*getTokenInfoResult, 0, len(runeIds)) | ||
|
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| for _, runeId := range runeIds { | ||
| runeEntry, ok := runeEntries[runeId] | ||
| if !ok { | ||
| return errs.NewPublicError(fmt.Sprintf("rune not found: %s", runeId)) | ||
| } | ||
| var holdersCount *int64 | ||
| if lo.Contains(req.AdditionalFields, "holdersCount") { | ||
| holdersCount = lo.ToPtr(holdersCounts[runeId]) | ||
| } | ||
|
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| result, err := createTokenInfoResult(runeEntry, holdersCount) | ||
| if err != nil { | ||
| return errors.Wrap(err, "error during createTokenInfoResult") | ||
| } | ||
| results = append(results, result) | ||
| } | ||
|
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| resp := getTokenInfoBatchResponse{ | ||
| Result: &getTokenInfoBatchResult{ | ||
| List: results, | ||
| }, | ||
| } | ||
|
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| return errors.WithStack(ctx.JSON(resp)) | ||
| } |
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