From 18bc415b0d9ca7ee6a619b3234d3dc6c1f3c0ca6 Mon Sep 17 00:00:00 2001
From: Dustin Brickwood <dustinbrickwood204@gmail.com>
Date: Fri, 20 Apr 2018 16:24:51 -0400
Subject: [PATCH] getAllBlocks logging arrays of SBlock

---
 blockExplorerApi/handler.go    | 41 ++++++++++++++++------
 shyftdb/shyft_database_util.go | 63 ++++++++++++++++++++++++----------
 2 files changed, 75 insertions(+), 29 deletions(-)

diff --git a/blockExplorerApi/handler.go b/blockExplorerApi/handler.go
index 33cc098a42..ddc2a5abf4 100644
--- a/blockExplorerApi/handler.go
+++ b/blockExplorerApi/handler.go
@@ -3,16 +3,14 @@ package main
 ///@NOTE Shyft handler functions when endpoints are hit
 import (
 	"database/sql"
+	"encoding/json"
 	"fmt"
-	logger "log"
 	"net/http"
 
 	_ "github.com/lib/pq"
 
 	shyftdb "github.com/ethereum/shyft_go-ethereum/shyftdb"
 	"github.com/gorilla/mux"
-	"github.com/syndtr/goleveldb/leveldb"
-	"github.com/syndtr/goleveldb/leveldb/opt"
 )
 
 // GetTransaction gets txs
@@ -69,28 +67,49 @@ func GetBlock(w http.ResponseWriter, r *http.Request) {
 
 	block3 := shyftdb.GetBlock(blockExplorerDb)
 
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	out, err := json.Marshal(block3)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
 	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
 	w.WriteHeader(http.StatusOK)
 
-	fmt.Fprintln(w, "block", block3)
+	fmt.Fprintln(w, "block", string(out))
 }
 
 // GetAllBlocks response
 func GetAllBlocks(w http.ResponseWriter, r *http.Request) {
-	blockExplorerDb, err := leveldb.OpenFile("./shyftData/geth/blockExplorerDb/", &opt.Options{
-		ErrorIfMissing: true,
-		ReadOnly:       true,
-	})
+
+	connStr := "user=postgres dbname=shyftdb sslmode=disable"
+	blockExplorerDb, err := sql.Open("postgres", connStr)
 	if err != nil {
-		logger.Print(err)
 		return
 	}
-	blocks := shyftdb.GetAllBlocks(blockExplorerDb)
+
+	block3 := shyftdb.GetAllBlocks(blockExplorerDb)
+
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	out, err := json.Marshal(block3)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
 
 	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
 	w.WriteHeader(http.StatusOK)
 
-	fmt.Fprintln(w, "blocks", blocks)
+	fmt.Fprintln(w, "block", string(out))
 }
 
 //GetInternalTransactions gets internal txs
diff --git a/shyftdb/shyft_database_util.go b/shyftdb/shyft_database_util.go
index 7b3be296b3..3c3a405548 100644
--- a/shyftdb/shyft_database_util.go
+++ b/shyftdb/shyft_database_util.go
@@ -19,8 +19,14 @@ import (
 
 //SBlock type
 type SBlock struct {
-	hash string
-	txes []string
+	hash     string
+	coinbase string
+	number   int
+}
+
+//blockRes struct
+type blockRes struct {
+	Blocks []SBlock
 }
 
 //ShyftTxEntry structure
@@ -262,26 +268,47 @@ func WriteMinerReward(db *leveldb.DB, block *types.Block) {
 ///////////
 // Getters
 //////////
-
-func GetAllBlocks(db *leveldb.DB) []SBlock {
+//GetAllBlocks returns []SBlock blocks for API
+func GetAllBlocks(sqldb *sql.DB) []SBlock {
 	var arr []SBlock
-	iter := db.NewIterator(util.BytesPrefix([]byte("bk-")), nil)
-	for iter.Next() {
-		result := iter.Value()
-		buf := bytes.NewBuffer(result)
-		strs2 := []string{}
-		gob.NewDecoder(buf).Decode(&strs2)
-		//fmt.Println("the key is")
-		hash := common.BytesToHash(iter.Key())
-		hex := hash.Hex()
-		//fmt.Println(hex)
-		sblock := SBlock{hex, strs2}
-		arr = append(arr, sblock)
+	fmt.Println("HERE+++++++++++")
+	rows, err := sqldb.Query(`
+		SELECT
+			number,
+			hash,
+			coinbase
+		FROM blocks`)
+	if err != nil {
+		fmt.Println("err")
+
+	}
+	fmt.Println("ROWS")
+	fmt.Println(rows)
+	defer rows.Close()
+
+	for rows.Next() {
+		var num int
+		var hash string
+		var coinbase string
+		err = rows.Scan(
+			&num,
+			&hash,
+			&coinbase,
+		)
+		sblock := SBlock{hash: hash, number: num, coinbase: coinbase}
+		arr := append(arr, sblock)
+		fmt.Println("++++++++++++++++", arr)
+		// fmt.Println("++++++++++++++++", hash)
+		// fmt.Println("++++++++++++++++", coinbase)
+
+		// }
+		// err = rows.Err()
+		// if err != nil {
+		// 	return err
+		// }
 
-		//fmt.Println("\n ALL BK BK VALUE" + string(result))
 	}
 
-	iter.Release()
 	return arr
 }