From d296958ff3bdccf7e4f758d60ee519eea74c54b6 Mon Sep 17 00:00:00 2001
From: arnaucode <idoctnef@openmailbox.org>
Date: Fri, 21 Jul 2017 16:20:48 +0200
Subject: [PATCH] gets blocks and tx values

---
 .gitignore       | 18 +++++++++++++
 errors.go        |  9 +++++++
 exploreBlocks.go | 70 ++++++++++++++++++++++++++++++++++++++++++++++++
 instructions.md  | 32 ++++++++++++++++++++++
 main.go          | 43 +++++++++++++++++++++++++++++
 readConfig.go    | 24 +++++++++++++++++
 6 files changed, 196 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 errors.go
 create mode 100644 exploreBlocks.go
 create mode 100644 instructions.md
 create mode 100644 main.go
 create mode 100644 readConfig.go

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..db726fa
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,18 @@
+# Binaries for programs and plugins
+*.exe
+*.dll
+*.so
+*.dylib
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Project-local glide cache, RE: https://github.com/Masterminds/glide/issues/736
+.glide/
+
+
+*.conf
+*.json
diff --git a/errors.go b/errors.go
new file mode 100644
index 0000000..9e83a92
--- /dev/null
+++ b/errors.go
@@ -0,0 +1,9 @@
+package main
+
+import "fmt"
+
+func check(err error) {
+	if err != nil {
+		fmt.Println(err)
+	}
+}
diff --git a/exploreBlocks.go b/exploreBlocks.go
new file mode 100644
index 0000000..43c2944
--- /dev/null
+++ b/exploreBlocks.go
@@ -0,0 +1,70 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/btcsuite/btcd/chaincfg/chainhash"
+	"github.com/btcsuite/btcrpcclient"
+)
+
+func explore(client *btcrpcclient.Client, blockHash string) {
+	for blockHash != "" {
+		//generate hash from string
+		bh, err := chainhash.NewHashFromStr(blockHash)
+		check(err)
+		fmt.Print("blockHash: ")
+		fmt.Println(bh)
+		block, err := client.GetBlockVerbose(bh)
+		check(err)
+		fmt.Print("height: ")
+		fmt.Println(block.Height)
+		fmt.Print("rawTx: ")
+		fmt.Println(block.RawTx)
+		fmt.Print("Tx: ")
+		fmt.Println(block.Tx)
+		fmt.Print("Time: ")
+		fmt.Println(block.Time)
+		fmt.Print("Confirmations: ")
+		fmt.Println(block.Confirmations)
+
+		fmt.Print("Fee: ")
+		th, err := chainhash.NewHashFromStr(block.Tx[0])
+		check(err)
+		tx, err := client.GetRawTransactionVerbose(th)
+		check(err)
+
+		var totalFee float64
+		for _, Vo := range tx.Vout {
+			totalFee = totalFee + Vo.Value
+		}
+		fmt.Print("totalFee: ")
+		fmt.Print(totalFee)
+		fmt.Println(" FAIR")
+
+		//for each Tx, get the Tx value
+		var totalAmount float64
+		for k, txHash := range block.Tx {
+			//first Tx is the Fee
+			//after first Tx is the Sent Amount
+			if k > 0 {
+				th, err := chainhash.NewHashFromStr(txHash)
+				check(err)
+				fmt.Print("tx hash: ")
+				fmt.Println(th)
+				tx, err := client.GetRawTransactionVerbose(th)
+				check(err)
+				for _, Vo := range tx.Vout {
+					totalAmount = totalAmount + Vo.Value
+				}
+				fmt.Print("totalAmount: ")
+				fmt.Print(totalAmount)
+				fmt.Println(" FAIR")
+			}
+		}
+		fmt.Println("-----")
+
+		//set the next block
+		blockHash = block.NextHash
+	}
+	fmt.Println("reached the end of blockchain")
+}
diff --git a/instructions.md b/instructions.md
new file mode 100644
index 0000000..4271b5f
--- /dev/null
+++ b/instructions.md
@@ -0,0 +1,32 @@
+# Instructions
+
+#### Install FairCoin Wallet and configure
+now, need to configure wallet:
+.FairCoin/
+	FairCoin.conf
+
+```
+rpcuser=usernamerpc
+rpcpassword=password
+rpcport=3021
+rpcworkqueue=2000
+server=1
+rpcbind=127.0.0.1
+rpcallowip=127.0.0.1
+```
+
+execute wallet:
+./FairCoind -txindex -reindex-chainstate
+
+### Configure
+
+```json
+{
+    "user": "faircoinrpc",
+    "pass": "password",
+    "host": "127.0.0.1",
+    "port": "3021",
+    "genesisTx": "7c27ade2c28e67ed3077f8f77b8ea6d36d4f5eba04c099be3c9faa9a4a04c046",
+    "genesisBlock": "beed44fa5e96150d95d56ebd5d2625781825a9407a5215dd7eda723373a0a1d7"
+}
+```
\ No newline at end of file
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..8eae80e
--- /dev/null
+++ b/main.go
@@ -0,0 +1,43 @@
+package main
+
+import (
+	"log"
+
+	"github.com/btcsuite/btcrpcclient"
+)
+
+func main() {
+
+	readConfig("config.json")
+
+	// create new client instance
+	client, err := btcrpcclient.New(&btcrpcclient.ConnConfig{
+		HTTPPostMode: true,
+		DisableTLS:   true,
+		Host:         config.Host + ":" + config.Port,
+		User:         config.User,
+		Pass:         config.Pass,
+	}, nil)
+	if err != nil {
+		log.Fatalf("error creating new btc client: %v", err)
+	}
+
+	// list accounts
+	accounts, err := client.ListAccounts()
+	if err != nil {
+		log.Fatalf("error listing accounts: %v", err)
+	}
+	// iterate over accounts (map[string]btcutil.Amount) and write to stdout
+	for label, amount := range accounts {
+		log.Printf("%s: %s", label, amount)
+	}
+
+	explore(client, config.GenesisBlock)
+
+	// Get the current block count.
+	blockCount, err := client.GetBlockCount()
+	if err != nil {
+		log.Fatal(err)
+	}
+	log.Printf("Block count: %d", blockCount)
+}
diff --git a/readConfig.go b/readConfig.go
new file mode 100644
index 0000000..938714b
--- /dev/null
+++ b/readConfig.go
@@ -0,0 +1,24 @@
+package main
+
+import (
+	"encoding/json"
+	"io/ioutil"
+)
+
+type Config struct {
+	User         string `json:"user"`
+	Pass         string `json:"pass"`
+	Host         string `json:"host"`
+	Port         string `json:"port"`
+	GenesisTx    string `json:"genesisTx"`
+	GenesisBlock string `json:"genesisBlock"`
+}
+
+var config Config
+
+func readConfig(path string) {
+	file, err := ioutil.ReadFile(path)
+	check(err)
+	content := string(file)
+	json.Unmarshal([]byte(content), &config)
+}