Files
gaze-indexer/modules/runes/api/httphandler/get_balances_by_address.go
2024-04-18 18:28:44 +07:00

117 lines
3.1 KiB
Go

package httphandler
import (
"slices"
"github.com/cockroachdb/errors"
"github.com/gaze-network/indexer-network/common/errs"
"github.com/gaze-network/indexer-network/modules/runes/runes"
"github.com/gaze-network/uint128"
"github.com/gofiber/fiber/v2"
"github.com/samber/lo"
)
type getBalancesByAddressRequest struct {
Wallet string `params:"wallet"`
Id string `query:"id"`
BlockHeight uint64 `query:"blockHeight"`
}
func (r getBalancesByAddressRequest) Validate() error {
var errList []error
if r.Wallet == "" {
errList = append(errList, errors.New("'wallet' is required"))
}
if r.Id != "" && !isRuneIdOrRuneName(r.Id) {
errList = append(errList, errors.New("'id' is not valid rune id or rune name"))
}
return errs.WithPublicMessage(errors.Join(errList...), "validation error")
}
type balance struct {
Amount uint128.Uint128 `json:"amount"`
Id runes.RuneId `json:"id"`
Name runes.SpacedRune `json:"name"`
Symbol string `json:"symbol"`
Decimals uint8 `json:"decimals"`
}
type getBalancesByAddressResult struct {
List []balance `json:"list"`
BlockHeight uint64 `json:"blockHeight"`
}
type getBalancesByAddressResponse = HttpResponse[getBalancesByAddressResult]
func (h *HttpHandler) GetBalancesByAddress(ctx *fiber.Ctx) (err error) {
var req getBalancesByAddressRequest
if err := ctx.ParamsParser(&req); err != nil {
return errors.WithStack(err)
}
if err := ctx.QueryParser(&req); err != nil {
return errors.WithStack(err)
}
if err := req.Validate(); err != nil {
return errors.WithStack(err)
}
pkScript, ok := resolvePkScript(h.network, req.Wallet)
if !ok {
return errs.NewPublicError("unable to resolve pkscript from \"wallet\"")
}
blockHeight := req.BlockHeight
if blockHeight == 0 {
blockHeader, err := h.usecase.GetLatestBlock(ctx.UserContext())
if err != nil {
return errors.Wrap(err, "error during GetLatestBlock")
}
blockHeight = uint64(blockHeader.Height)
}
balances, err := h.usecase.GetBalancesByPkScript(ctx.UserContext(), pkScript, blockHeight)
if err != nil {
return errors.Wrap(err, "error during GetBalancesByPkScript")
}
runeId, ok := h.resolveRuneId(ctx.UserContext(), req.Id)
if ok {
// filter out balances that don't match the requested rune id
for key := range balances {
if key != runeId {
delete(balances, key)
}
}
}
balanceRuneIds := lo.Keys(balances)
runeEntries, err := h.usecase.GetRuneEntryByRuneIdBatch(ctx.UserContext(), balanceRuneIds)
if err != nil {
return errors.Wrap(err, "error during GetRuneEntryByRuneIdBatch")
}
balanceList := make([]balance, 0, len(balances))
for id, b := range balances {
runeEntry := runeEntries[id]
balanceList = append(balanceList, balance{
Amount: b.Amount,
Id: id,
Name: runeEntry.SpacedRune,
Symbol: string(runeEntry.Symbol),
Decimals: runeEntry.Divisibility,
})
}
slices.SortFunc(balanceList, func(i, j balance) int {
return j.Amount.Cmp(i.Amount)
})
resp := getBalancesByAddressResponse{
Result: &getBalancesByAddressResult{
BlockHeight: blockHeight,
List: balanceList,
},
}
return errors.WithStack(ctx.JSON(resp))
}