From 917e0f89dd82639f8a9709484f4e4c582138b689 Mon Sep 17 00:00:00 2001
From: Hans Moog <3293976+hmoog@users.noreply.github.com>
Date: Thu, 10 Mar 2022 14:42:23 +0100
Subject: [PATCH] Feat: Realities Ledger Rework

This PR adds the following features:

- solidification
- multithreading
- pluggable VMs
---
 packages/utxo/input.go         |  4 ++++
 packages/utxo/output.go        |  5 +++++
 packages/utxo/outputid.go      |  3 +++
 packages/utxo/transaction.go   |  9 +++++++++
 packages/utxo/transactionid.go | 18 ++++++++++++++++++
 packages/utxo/vm.go            |  1 +
 6 files changed, 40 insertions(+)
 create mode 100644 packages/utxo/input.go
 create mode 100644 packages/utxo/output.go
 create mode 100644 packages/utxo/outputid.go
 create mode 100644 packages/utxo/transaction.go
 create mode 100644 packages/utxo/transactionid.go
 create mode 100644 packages/utxo/vm.go

diff --git a/packages/utxo/input.go b/packages/utxo/input.go
new file mode 100644
index 0000000000..1293d3d6f1
--- /dev/null
+++ b/packages/utxo/input.go
@@ -0,0 +1,4 @@
+package utxo
+
+type Input interface {
+}
diff --git a/packages/utxo/output.go b/packages/utxo/output.go
new file mode 100644
index 0000000000..d95f6890f4
--- /dev/null
+++ b/packages/utxo/output.go
@@ -0,0 +1,5 @@
+package utxo
+
+type Output interface {
+	ID() OutputID
+}
diff --git a/packages/utxo/outputid.go b/packages/utxo/outputid.go
new file mode 100644
index 0000000000..3f8da4ad0e
--- /dev/null
+++ b/packages/utxo/outputid.go
@@ -0,0 +1,3 @@
+package utxo
+
+type OutputID [32]byte
diff --git a/packages/utxo/transaction.go b/packages/utxo/transaction.go
new file mode 100644
index 0000000000..eb6f1da348
--- /dev/null
+++ b/packages/utxo/transaction.go
@@ -0,0 +1,9 @@
+package utxo
+
+type Transaction interface {
+	ID() TransactionID
+
+	Inputs() []Input
+
+	Bytes() []byte
+}
diff --git a/packages/utxo/transactionid.go b/packages/utxo/transactionid.go
new file mode 100644
index 0000000000..9a49c04ed9
--- /dev/null
+++ b/packages/utxo/transactionid.go
@@ -0,0 +1,18 @@
+package utxo
+
+import (
+	"github.com/mr-tron/base58"
+)
+
+// TransactionID is the type that represents the identifier of a Transaction.
+type TransactionID [32]byte
+
+// Bytes returns a marshaled version of the TransactionID.
+func (t TransactionID) Bytes() (serializedTransaction []byte) {
+	return t[:]
+}
+
+// String creates a human-readable version of the TransactionID.
+func (t TransactionID) String() (humanReadableTransactionID string) {
+	return "TransactionID(" + base58.Encode(t[:]) + ")"
+}
diff --git a/packages/utxo/vm.go b/packages/utxo/vm.go
new file mode 100644
index 0000000000..91279cacf2
--- /dev/null
+++ b/packages/utxo/vm.go
@@ -0,0 +1 @@
+package utxo