3 files changed, 16 insertions, 4 deletions
diff --git a/dex/app.go b/dex/app.go
index dee762540..a8b04577d 100644
--- a/dex/app.go
+++ b/dex/app.go
@@ -35,9 +35,13 @@ func NewDexconApp(txPool *core.TxPool) *DexconApp {
 }
 
 // PreparePayload is called when consensus core is preparing a block.
-func (d *DexconApp) PrepareBlock(position types.Position) (
-	payload []byte, witnessData []byte) {
-	return nil, nil
+func (d *DexconApp) PreparePayload(position types.Position) []byte {
+	return nil
+}
+
+// PrepareWitness will return the witness data no lower than consensusHeight.
+func (d *DexconApp) PrepareWitness(consensusHeight uint64) types.Witness {
+	return types.Witness{}
 }
 
 // VerifyPayload verifies if the payloads are valid.
diff --git a/dex/governance.go b/dex/governance.go
index 95109690a..5ee307b88 100644
--- a/dex/governance.go
+++ b/dex/governance.go
@@ -26,7 +26,7 @@ func (d *DexconGovernance) CRS(round uint64) coreCommon.Hash {
 }
 
 // ProposeCRS send proposals of a new CRS
-func (d *DexconGovernance) ProposeCRS(round uint64, signedCRS []byte) {
+func (d *DexconGovernance) ProposeCRS(signedCRS []byte) {
 }
 
 // NodeSet returns the current notary set.
diff --git a/dex/network.go b/dex/network.go
index a186921a4..c3a0ef792 100644
--- a/dex/network.go
+++ b/dex/network.go
@@ -23,6 +23,14 @@ func (n *DexconNetwork) BroadcastVote(vote *types.Vote) {
 func (n *DexconNetwork) BroadcastBlock(block *types.Block) {
 }
 
+// BroadcastRandomnessRequest broadcasts rand request to DKG set.
+func (n *DexconNetwork) BroadcastRandomnessRequest(randRequest *types.AgreementResult) {
+}
+
+// BroadcastRandomnessResult broadcasts rand request to Notary set.
+func (n *DexconNetwork) BroadcastRandomnessResult(randResult *types.BlockRandomnessResult) {
+}
+
 // SendDKGPrivateShare sends PrivateShare to a DKG participant.
 func (n *DexconNetwork) SendDKGPrivateShare(
 	pub crypto.PublicKey, prvShare *types.DKGPrivateShare) {