add git commit hash to nodeInfo

.gitignore

@@ -8,3 +8,4 @@ rpc/test/.tendermint
 .debora
 .tendermint
 remote_dump
+.revision

Makefile

@@ -8,6 +8,7 @@ install:
 	go install github.com/tendermint/tendermint/cmd/debora
 	go install github.com/tendermint/tendermint/cmd/stdinwriter
 	go install github.com/tendermint/tendermint/cmd/logjack
+	echo -n `git rev-parse --verify HEAD` > .revision
 
 build: 
 	go build -o build/tendermint github.com/tendermint/tendermint/cmd/tendermint
@@ -42,11 +43,11 @@ gen_client:
 	go install github.com/ebuchman/go-rpc-gen
 	go generate rpc/core_client/*.go
 
+revision:
+	echo -n `git rev-parse --verify HEAD` > .revision
+
 tendermint_root/priv_validator.json: tendermint_root/priv_validator.json.orig
 	cp $< $@
 
-economy: tendermint_root/priv_validator.json
-	docker run -v $(CURDIR)/tendermint_root:/tendermint_root -p 46656:46656 tendermint
-
 clean:
 	rm -f tendermint tendermint_root/priv_validator.json

common/os.go

@@ -5,10 +5,16 @@ import (
 	"io/ioutil"
 	"os"
 	"os/signal"
+	"path"
 	"sync"
 	"time"
 )
 
+var (
+	GoPath         = os.Getenv("GOPATH")
+	TendermintRepo = path.Join(GoPath, "src", "github.com", "tendermint", "tendermint")
+)
+
 func TrapSignal(cb func()) {
 	c := make(chan os.Signal, 1)
 	signal.Notify(c, os.Interrupt)

crawler/crawl.go

@@ -50,7 +50,7 @@ func (n *Node) Address() string {
 // Set the basic status and chain_id info for a node from RPC responses
 func (n *Node) SetInfo(status *rpctypes.ResponseStatus, netinfo *rpctypes.ResponseNetInfo) {
 	n.LastSeen = time.Now()
-	n.ChainID = status.ChainID
+	n.ChainID = status.NodeInfo.ChainID
 	n.BlockHeight = status.LatestBlockHeight
 	n.NetInfo = netinfo
 	// n.Validator

node/node.go

@@ -7,6 +7,7 @@ import (
 	"net"
 	"net/http"
 	"os"
+	"path"
 	"strconv"
 	"strings"
 	"time"
@@ -242,9 +243,16 @@ func makeNodeInfo(sw *p2p.Switch) *types.NodeInfo {
 		Moniker: config.GetString("moniker"),
 		Version: config.GetString("version"),
 	}
+
+	// include git hash in the nodeInfo if available
+	if rev, err := ReadFile(path.Join(TendermintRepo, ".revision")); err == nil {
+		nodeInfo.Revision = string(rev)
+	}
+
 	if !sw.IsListening() {
 		return nodeInfo
 	}
+
 	p2pListener := sw.Listeners()[0]
 	p2pHost := p2pListener.ExternalAddress().IP.String()
 	p2pPort := p2pListener.ExternalAddress().Port

p2p/switch.go

@@ -119,6 +119,11 @@ func (sw *Switch) SetNodeInfo(nodeInfo *types.NodeInfo) {
 	sw.nodeInfo = nodeInfo
 }
 
+// Not goroutine safe.
+func (sw *Switch) NodeInfo() *types.NodeInfo {
+	return sw.nodeInfo
+}
+
 func (sw *Switch) Start() {
 	if atomic.CompareAndSwapUint32(&sw.running, 0, 1) {
 		// Start reactors

rpc/core/net.go

@@ -31,9 +31,7 @@ func Status() (*ctypes.ResponseStatus, error) {
 	}
 
 	return &ctypes.ResponseStatus{
-		Moniker:           config.GetString("moniker"),
-		ChainID:           config.GetString("chain_id"),
-		Version:           config.GetString("version"),
+		NodeInfo:          p2pSwitch.NodeInfo(),
 		GenesisHash:       genesisHash,
 		PubKey:            privValidator.PubKey,
 		LatestBlockHash:   latestBlockHash,

rpc/core/types/responses.go

@@ -49,14 +49,12 @@ type Receipt struct {
 }
 
 type ResponseStatus struct {
-	Moniker           string         `json:"moniker"`
-	ChainID           string         `json:"chain_id"`
-	Version           string         `json:"version"`
-	GenesisHash       []byte         `json:"genesis_hash"`
-	PubKey            account.PubKey `json:"pub_key"`
-	LatestBlockHash   []byte         `json:"latest_block_hash"`
-	LatestBlockHeight int            `json:"latest_block_height"`
-	LatestBlockTime   int64          `json:"latest_block_time"` // nano
+	NodeInfo          *types.NodeInfo `json:"node_info"`
+	GenesisHash       []byte          `json:"genesis_hash"`
+	PubKey            account.PubKey  `json:"pub_key"`
+	LatestBlockHash   []byte          `json:"latest_block_hash"`
+	LatestBlockHeight int             `json:"latest_block_height"`
+	LatestBlockTime   int64           `json:"latest_block_time"` // nano
 }
 
 type ResponseNetInfo struct {

rpc/test/tests.go

@@ -16,9 +16,9 @@ func testStatus(t *testing.T, typ string) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if resp.ChainID != chainID {
+	if resp.NodeInfo.ChainID != chainID {
 		t.Fatal(fmt.Errorf("ChainID mismatch: got %s expected %s",
-			resp.ChainID, chainID))
+			resp.NodeInfo.ChainID, chainID))
 	}
 }
 

types/node.go

@@ -6,9 +6,10 @@ import (
 )
 
 type NodeInfo struct {
-	Moniker string `json:"moniker"`
-	ChainID string `json:"chain_id"`
-	Version string `json:"version"`
+	Moniker  string `json:"moniker"`
+	ChainID  string `json:"chain_id"`
+	Version  string `json:"version"`
+	Revision string `json:"revision"`
 
 	Host    string `json:"host"`
 	P2PPort uint16 `json:"p2p_port"`