From e4ee34cfbc923ce902118c7ff503cb2b8f542478 Mon Sep 17 00:00:00 2001
From: Ethan Buchman <ethan@coinculture.info>
Date: Tue, 18 Sep 2018 22:32:44 -0400
Subject: [PATCH] version: types

---
 version/version.go | 58 +++++++++++++++++++++++++++++++++++-----------
 1 file changed, 44 insertions(+), 14 deletions(-)

diff --git a/version/version.go b/version/version.go
index d8bab5772..5a089141f 100644
--- a/version/version.go
+++ b/version/version.go
@@ -1,26 +1,56 @@
 package version
 
-// Version components
-const (
-	Maj = "0"
-	Min = "25"
-	Fix = "0"
-)
-
 var (
-	// Version is the current version of Tendermint
-	// Must be a string because scripts like dist.sh read this file.
-	Version = "0.25.0"
-
 	// GitCommit is the current HEAD set using ldflags.
 	GitCommit string
-)
 
-// ABCIVersion is the version of the ABCI library
-const ABCIVersion = "0.14.0"
+	// Version is the built softwares version.
+	Version string = TMCoreSemVer
+)
 
 func init() {
 	if GitCommit != "" {
 		Version += "-" + GitCommit
 	}
 }
+
+const (
+	// TMCoreSemVer is the current version of Tendermint Core.
+	// It's the Semantic Version of the software.
+	// Must be a string because scripts like dist.sh read this file.
+	TMCoreSemVer = "0.25.0"
+
+	// ABCISemVer is the semantic version of the ABCI library
+	ABCISemVer  = "0.14.0"
+	ABCIVersion = ABCISemVer
+)
+
+// Protocol is used for implementation agnostic versioning.
+type Protocol uint64
+
+var (
+	// P2PProtocol versions all p2p behaviour and msgs.
+	P2PProtocol Protocol = 4
+
+	// BlockProtocol versions all block data structures and processing.
+	BlockProtocol Protocol = 7
+)
+
+//------------------------------------------------------------------------
+// Version types
+
+// App includes the protocol and software version for the application.
+// This information is included in ResponseInfo. The App.Protocol can be
+// updated in ResponseEndBlock.
+type App struct {
+	Protocol Protocol `json:"protocol"`
+	Software string   `json:"software"`
+}
+
+// Consensus captures the consensus rules for processing a block in the blockchain,
+// including all blockchain data structures and the rules of the application's
+// state transition machine.
+type Consensus struct {
+	Block Protocol `json:"block"`
+	App   Protocol `json:"app"`
+}