From b692058bb25fdefdbb0b6fe142ab93f57766b037 Mon Sep 17 00:00:00 2001
From: Alexander Matson <alexmat2on@protonmail.com>
Date: Fri, 17 May 2019 17:12:40 -0400
Subject: [PATCH] begin adding txns

---
 peers.go        | 11 +++++++++++
 transactions.go | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 transactions.go

diff --git a/peers.go b/peers.go
index b4d31df..7f0a79a 100644
--- a/peers.go
+++ b/peers.go
@@ -5,6 +5,8 @@ import (
   "os"
   "fmt"
   "strings"
+  "encoding/gob"
+  "bytes"
 )
 
 type peer struct {
@@ -62,6 +64,15 @@ func (p peer) Version(remote peer) {
   fmt.Println(string(result))
 }
 
+func (p peer) Transact(remote peer, txn transaction) {
+  var b bytes.Buffer
+  e := gob.NewEncoder(&b)
+  err := e.Encode(txn)
+  Check(err)
+
+  fmt.Println("Encoded struct ", b)
+}
+
 func handleConnection(conn net.Conn) {
   // close connection on exit
   defer conn.Close()
diff --git a/transactions.go b/transactions.go
new file mode 100644
index 0000000..1d469a9
--- /dev/null
+++ b/transactions.go
@@ -0,0 +1,34 @@
+package main
+
+import (
+)
+
+type transaction struct {
+  inputs [1]txIn
+  outputs [1]txOut
+}
+
+type txIn struct {
+  prev_hash string
+  prev_index int
+  script_sig string // for now, just assume "script_sig" will be "public-key" (i.e., integer value) of recipient
+  sequence_no int
+}
+
+type txOut struct {
+  value int
+  script_pub_key string // for now, just assume "script_pub_key" needs to just equal script_sig
+}
+
+func makeTxn(pubkey string, privkey string, value int) transaction {
+  var ins [1]txIn
+  var outs [1]txOut
+
+  ins[0] = txIn{script_sig: pubkey}
+  outs[0] = txOut{value: value, script_pub_key: privkey}
+
+  return transaction {
+    inputs: ins,
+    outputs: outs,
+  }
+}