Fix NetworkId && Update docker build

.dockerignore

@@ -0,0 +1,5 @@
+.git
+.gitignore
+Dockerfile
+*.md
+*.json

.gitignore

@@ -1 +1,2 @@
 .idea
+.DS_Store

Dockerfile

@@ -1,14 +1,23 @@
-FROM golang:1.11-alpine as base
-RUN apk add --no-cache libstdc++ gcc g++ make git ca-certificates linux-headers
+FROM golang:1.12 as base
+
 MAINTAINER "Hunter Long (https://github.com/hunterlong)"
-WORKDIR /go/src/github.com/hunterlong/gethexporter
-ADD . .
-RUN go get && go install
+
+WORKDIR /app
+
+COPY go.* ./
+
+RUN go mod download
+
+COPY *.go ./
+
+RUN go build -a -tags netgo -ldflags "-w -extldflags '-static'" -o /app/gethexporter
 
 FROM alpine:latest
+
 MAINTAINER "Hunter Long (https://github.com/hunterlong)"
-RUN apk add --no-cache jq ca-certificates linux-headers
-COPY --from=base /go/bin/gethexporter /usr/local/bin/gethexporter
+RUN apk add --no-cache ca-certificates
+COPY --from=base /app/gethexporter /usr/local/bin/gethexporter
+
 ENV GETH https://mainnet.infura.io/v3/f5951d9239964e62aa32ca40bad376a6
 ENV ADDRESSES ""
 ENV DELAY 500

go.mod

@@ -0,0 +1,14 @@
+module gethexporter
+
+go 1.12
+
+require (
+	github.com/allegro/bigcache v1.2.0 // indirect
+	github.com/aristanetworks/goarista v0.0.0-20190308231643-e9fb69a13f45 // indirect
+	github.com/deckarep/golang-set v1.7.1 // indirect
+	github.com/ethereum/go-ethereum v1.8.23
+	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/rs/cors v1.6.0 // indirect
+	github.com/syndtr/goleveldb v1.0.0 // indirect
+	golang.org/x/net v0.0.0-20190311183353-d8887717615a // indirect
+)

go.sum

@@ -0,0 +1,35 @@
+github.com/allegro/bigcache v1.2.0 h1:qDaE0QoF29wKBb3+pXFrJFy1ihe5OT9OiXhg1t85SxM=
+github.com/allegro/bigcache v1.2.0/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
+github.com/aristanetworks/goarista v0.0.0-20190308231643-e9fb69a13f45 h1:hJVz9Tpl97QLp4aBwi7X9gMyBEEdA9hkGx2Ia7+DuVs=
+github.com/aristanetworks/goarista v0.0.0-20190308231643-e9fb69a13f45/go.mod h1:D/tb0zPVXnP7fmsLZjtdUhSsumbK/ij54UXjjVgMGxQ=
+github.com/deckarep/golang-set v1.7.1 h1:SCQV0S6gTtp6itiFrTqI+pfmJ4LN85S1YzhDf9rTHJQ=
+github.com/deckarep/golang-set v1.7.1/go.mod h1:93vsz/8Wt4joVM7c2AVqh+YRMiUSc14yDtF28KmMOgQ=
+github.com/ethereum/go-ethereum v1.8.23 h1:xVKYpRpe3cbkaWN8gsRgStsyTvz3s82PcQsbEofjhEQ=
+github.com/ethereum/go-ethereum v1.8.23/go.mod h1:PwpWDrCLZrV+tfrhqqF6kPknbISMHaJv9Ln3kPCZLwY=
+github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
+github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
+github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db h1:woRePGFeVFfLKN/pOkfl+p/TAqKOfFu+7KPlMVpok/w=
+github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
+github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
+github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
+github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
+github.com/rs/cors v1.6.0 h1:G9tHG9lebljV9mfp9SNPDL36nCDxmo3zTlAf1YgvzmI=
+github.com/rs/cors v1.6.0/go.mod h1:gFx+x8UowdsKA9AchylcLynDq+nNFfI8FkUZdN/jGCU=
+github.com/syndtr/goleveldb v1.0.0 h1:fBdIW9lB4Iz0n9khmH8w27SJ3QEJ7+IgjPEwGSZiFdE=
+github.com/syndtr/goleveldb v1.0.0/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a h1:oWX7TPOiFAMXLq8o0ikBYfCJVlRHBcsciT5bXOrH628=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

main.go

@@ -127,7 +127,10 @@ func Routine() {
 		}
 		geth.SugGasPrice, _ = eth.SuggestGasPrice(ctx)
 		geth.PendingTx, _ = eth.PendingTransactionCount(ctx)
-		geth.NetworkId, _ = eth.NetworkID(ctx)
+		geth.NetworkId, err = eth.NetworkID(ctx)
+		if err != nil {
+			geth.NetworkId = big.NewInt(0)
+		}
 		geth.Sync, _ = eth.SyncProgress(ctx)
 
 		if lastBlock == nil || geth.CurrentBlock.NumberU64() > lastBlock.NumberU64() {