From 20b740ccb0d3e74d8ae5e21c6a008bbb22a30754 Mon Sep 17 00:00:00 2001
From: Kulwinder <laddiaulakh2002@gmail.com>
Date: Sun, 22 Oct 2023 22:53:41 +0530
Subject: [PATCH] added get all blocks fucctionality and first block
 initialization with dummy hash value

---
 controllers/block-controllers.go | 47 ++++++++++++++++++++++++++------
 go.mod                           |  2 ++
 go.sum                           |  2 ++
 main.go                          |  2 ++
 4 files changed, 45 insertions(+), 8 deletions(-)

diff --git a/controllers/block-controllers.go b/controllers/block-controllers.go
index d687b00..d4f1b07 100644
--- a/controllers/block-controllers.go
+++ b/controllers/block-controllers.go
@@ -4,22 +4,53 @@ import (
 	"encoding/json"
 	"io"
 	"net/http"
+	"sync"
+	"time"
+
+	"github.com/KulwinderSingh07/POW-Blockchain/model"
+	"github.com/davecgh/go-spew/spew"
 )
 
+var NewBlock model.Block
+
+var Blockchain []model.Block
+
+var difficulty = 1
+
+var mutex = &sync.Mutex{}
+
+func Blockinitalizer() {
+	t := time.Now()
+	genesisBlock := model.Block{}
+	genesisBlock = model.Block{
+		Index:      0,
+		Timestamp:  t.String(),
+		Data:       0,
+		Hash:       calculateHash(genesisBlock),
+		PrevHash:   "",
+		Difficulty: difficulty,
+		Nonce:      "",
+	}
+	spew.Dump(genesisBlock)
+
+	mutex.Lock()
+	Blockchain = append(Blockchain, genesisBlock)
+	mutex.Unlock()
+}
+
+func calculateHash(b model.Block) string {
+	return "hello"
+}
+
 func HandleGetBlockchain(res http.ResponseWriter, req *http.Request) {
-	data, err := json.Marshal("hello")
+	bytes, err := json.MarshalIndent(Blockchain, "", " ")
 	if err != nil {
 		http.Error(res, err.Error(), http.StatusInternalServerError)
 		return
 	}
-	io.WriteString(res, string(data))
+	io.WriteString(res, string(bytes))
 }
 
 func HandleWriteBlock(res http.ResponseWriter, req *http.Request) {
-	data, err := json.Marshal("hello ji")
-	if err != nil {
-		http.Error(res, err.Error(), http.StatusInternalServerError)
-		return
-	}
-	io.WriteString(res, string(data))
+
 }
diff --git a/go.mod b/go.mod
index dbc91e0..5faf23a 100644
--- a/go.mod
+++ b/go.mod
@@ -6,3 +6,5 @@ require (
 	github.com/gorilla/mux v1.8.0
 	github.com/joho/godotenv v1.5.1
 )
+
+require github.com/davecgh/go-spew v1.1.1
diff --git a/go.sum b/go.sum
index 176459b..3233bbe 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,5 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
diff --git a/main.go b/main.go
index fac45af..764dc97 100644
--- a/main.go
+++ b/main.go
@@ -6,6 +6,7 @@ import (
 	"os"
 	"time"
 
+	"github.com/KulwinderSingh07/POW-Blockchain/controllers"
 	"github.com/KulwinderSingh07/POW-Blockchain/model"
 	"github.com/KulwinderSingh07/POW-Blockchain/routes"
 	"github.com/joho/godotenv"
@@ -20,6 +21,7 @@ func main() {
 	if err != nil {
 		log.Fatal(err)
 	}
+	controllers.Blockinitalizer()
 	log.Fatal(run())
 }