Merge pull request #113 from keep-network/snark1-for-go-step3

CurveSNARK1 exposed from mcl

After merging keep-network/go-dfinity-crypto#1 we update revision
constraint for go-dfinity-crypto to the newest one and switch the
Init curve to CurveSNARK1.

Dockerfile

@@ -17,7 +17,7 @@ RUN apk add --update --no-cache \
 
 FROM runtime AS cbuild
 
-ENV BN_VERSION=d1a44d2f242692601b3e150b59044ab82f265b65
+ENV BN_VERSION=1c96f7053ea1ebcdbe9f59ce46c79023ef6f8ba0
 
 RUN apk add --update --no-cache \
 	clang \
@@ -28,7 +28,7 @@ RUN apk add --update --no-cache \
 	rm -rf /var/cache/apk && mkdir /var/cache/apk && \
 	rm -rf /usr/share/man
 
-RUN git clone https://github.com/dfinity/bn /bn && \
+RUN git clone https://github.com/keep-network/bn /bn && \
 	cd /bn && \
 	git reset --hard $BN_VERSION && \
 	make install && make && \

Gopkg.toml

@@ -22,7 +22,7 @@
 
 [[constraint]]
   name = "github.com/dfinity/go-dfinity-crypto"
-  revision = "1db358303499a9879dd640c71f831897e06e9ddf"
+  revision = "1cfc23c8f712378febdf621f27e49dd67846e901"
   source = "https://github.com/keep-network/go-dfinity-crypto.git"
 
 [[constraint]]

main.go

@@ -14,7 +14,7 @@ import (
 )
 
 func main() {
-	bls.Init(bls.CurveFp382_1)
+	bls.Init(bls.CurveSNARK1)
 
 	chainHandle := local.Connect()
 	chainCounter := chainHandle.BlockCounter()

pkg/beacon/relay/dkg/dkg.go

@@ -2,8 +2,8 @@ package dkg
 
 import (
 	"fmt"
+	"math/rand"
 
-	"github.com/dfinity/go-dfinity-crypto/rand"
 	"github.com/keep-network/keep-core/pkg/chain"
 	"github.com/keep-network/keep-core/pkg/net"
 	"github.com/keep-network/keep-core/pkg/thresholdgroup"
@@ -34,10 +34,10 @@ func ExecuteDKG(
 	groupSize int,
 	threshold int,
 ) (*thresholdgroup.Member, error) {
-	// Generate a nonzero memberID; loop until rand.NewRand returns something
+	// Generate a nonzero memberID; loop until rand.Int31 returns something
 	// other than 0, hopefully no more than once :)
 	memberID := "0"
-	for memberID = rand.NewRand().String(); memberID == "0"; {
+	for memberID = fmt.Sprintf("%v", rand.Int31()); memberID == "0"; {
 	}
 	fmt.Printf("[member:%v] Initializing member.\n", memberID)
 	localMember := thresholdgroup.NewMember(memberID, threshold, groupSize)

pkg/beacon/relay/dkg/marshaling_test.go

@@ -11,7 +11,7 @@ import (
 )
 
 func TestMain(m *testing.M) {
-	bls.Init(bls.CurveFp382_1)
+	bls.Init(bls.CurveSNARK1)
 
 	os.Exit(m.Run())
 }