Add flip keywords (#678)

Author: sidenaio

api/blockchain_api.go

@@ -9,6 +9,7 @@ import (
 	"github.com/idena-network/idena-go/common/hexutil"
 	"github.com/idena-network/idena-go/core/mempool"
 	"github.com/idena-network/idena-go/ipfs"
+	"github.com/idena-network/idena-go/keywords"
 	"github.com/idena-network/idena-go/protocol"
 	"github.com/idena-network/idena-go/rlp"
 	"github.com/ipfs/go-cid"
@@ -408,3 +409,7 @@ func convertToBlock(block *types.Block) *Block {
 		OfflineAddr:  block.Header.OfflineAddr(),
 	}
 }
+
+func (api *BlockchainApi) KeyWord(index int) (keywords.Keyword, error) {
+	return keywords.Get(index)
+}

keywords/generate-asset.sh

@@ -0,0 +1 @@
+go-bindata -o keywords_gen.go -pkg=keywords keywords.json

keywords/keywords.go

@@ -0,0 +1,29 @@
+package keywords
+
+import (
+	"encoding/json"
+	"github.com/idena-network/idena-go/log"
+	"github.com/pkg/errors"
+)
+
+type Keyword struct {
+	Name string
+	Desc string
+}
+
+var list []Keyword
+
+func init() {
+	list = make([]Keyword, 0, 3350)
+	data, _ := Asset("keywords.json")
+	if err := json.Unmarshal(data, &list); err != nil {
+		log.Warn("cannot parse keywords.json", "err", err)
+	}
+}
+
+func Get(index int) (Keyword, error) {
+	if index >= len(list) || index < 0 {
+		return Keyword{}, errors.New("index is out of range")
+	}
+	return list[index], nil
+}