Merge pull request #17 from VeerChaurasia/Implement/config/types.go-#5

Implement Config/types.go

config/types.go

@@ -1,16 +1,71 @@
 package config
-
-type ChainConfig struct{
-
+import (
+	"encoding/hex"
+	"encoding/json"
+)
+type ChainConfig struct {
+	ChainID     uint64 `json:"chain_id"`
+	GenesisTime uint64 `json:"genesis_time"`
+	GenesisRoot []byte `json:"genesis_root"`
 }
-type Fork struct{
-	epoch uint64
-	fork_version  []uint8
+type Fork struct {
+	Epoch       uint64 `json:"epoch"`
+	ForkVersion []byte `json:"fork_version"`
+}
+type Forks struct {
+	Genesis   Fork `json:"genesis"`
+	Altair    Fork `json:"altair"`
+	Bellatrix Fork `json:"bellatrix"`
+	Capella   Fork `json:"capella"`
+	Deneb     Fork `json:"deneb"`
+}
+func (c ChainConfig) MarshalJSON() ([]byte, error) {
+	type Alias ChainConfig
+	return json.Marshal(&struct {
+		Alias
+		GenesisRoot string `json:"genesis_root"`
+	}{
+		Alias:       (Alias)(c),
+		GenesisRoot: hex.EncodeToString(c.GenesisRoot),
+	})
+}
+func (c *ChainConfig) UnmarshalJSON(data []byte) error {
+	type Alias ChainConfig
+	aux := &struct {
+		*Alias
+		GenesisRoot string `json:"genesis_root"`
+	}{
+		Alias: (*Alias)(c),
+	}
+	if err := json.Unmarshal(data, &aux); err != nil {
+		return err
+	}
+	var err error
+	c.GenesisRoot, err = hex.DecodeString(aux.GenesisRoot)
+	return err
+}
+func (f Fork) MarshalJSON() ([]byte, error) {
+	type Alias Fork
+	return json.Marshal(&struct {
+		Alias
+		ForkVersion string `json:"fork_version"`
+	}{
+		Alias:       (Alias)(f),
+		ForkVersion: hex.EncodeToString(f.ForkVersion),
+	})
+}
+func (f *Fork) UnmarshalJSON(data []byte) error {
+	type Alias Fork
+	aux := &struct {
+		*Alias
+		ForkVersion string `json:"fork_version"`
+	}{
+		Alias: (*Alias)(f),
+	}
+	if err := json.Unmarshal(data, &aux); err != nil {
+		return err
+	}
+	var err error
+	f.ForkVersion, err = hex.DecodeString(aux.ForkVersion)
+	return err
 }
-type Forks struct{
-	genesis Fork
-	altair Fork
-    bellatrix Fork
-    capella Fork
-    deneb Fork
-}