blockchain/request.go

   1 package blockchain
   2
   3 import (
   4         "context"
   5
   6         "github.com/bytom/consensus"
   7         "github.com/bytom/encoding/json"
   8         "github.com/bytom/errors"
   9         "github.com/bytom/protocol/bc/types"
  10 )
  11
  12 var (
  13         errBadActionType = errors.New("bad action type")
  14         errBadAction     = errors.New("bad action object")
  15 )
  16
  17 // BuildRequest is main struct when building transactions
  18 type BuildRequest struct {
  19         Tx        *types.TxData            `json:"base_transaction"`
  20         Actions   []map[string]interface{} `json:"actions"`
  21         TTL       json.Duration            `json:"ttl"`
  22         TimeRange uint64                   `json:"time_range"`
  23 }
  24
  25 func (a *API) filterAliases(ctx context.Context, br *BuildRequest) error {
  26         for i, m := range br.Actions {
  27                 id, _ := m["asset_id"].(string)
  28                 alias, _ := m["asset_alias"].(string)
  29                 if id == "" && alias != "" {
  30                         switch alias {
  31                         case consensus.BTMAlias:
  32                                 m["asset_id"] = consensus.BTMAssetID.String()
  33                         default:
  34                                 id, err := a.wallet.AssetReg.GetIDByAlias(alias)
  35                                 if err != nil {
  36                                         return errors.WithDetailf(err, "invalid asset alias %s on action %d", alias, i)
  37                                 }
  38                                 m["asset_id"] = id
  39                         }
  40                 }
  41
  42                 id, _ = m["account_id"].(string)
  43                 alias, _ = m["account_alias"].(string)
  44                 if id == "" && alias != "" {
  45                         acc, err := a.wallet.AccountMgr.FindByAlias(ctx, alias)
  46                         if err != nil {
  47                                 return errors.WithDetailf(err, "invalid account alias %s on action %d", alias, i)
  48                         }
  49                         m["account_id"] = acc.ID
  50                 }
  51         }
  52         return nil
  53 }