core: workaround for GetRoundHeight (#523)

* core: workaround for GetRoundHeight

* update gopkg.lock

* x

4 files changed, 33 insertions, 4 deletions

diff --git a/Gopkg.lock b/Gopkg.lock
index 2293203..faecb2f 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -122,13 +122,38 @@
   analyzer-name = "dep"
   analyzer-version = 1
   input-imports = [
+    "github.com/btcsuite/btcd/btcec",
+    "github.com/davecgh/go-spew/spew",
     "github.com/dexon-foundation/bls/ffi/go/bls",
+    "github.com/dexon-foundation/dexon/common",
+    "github.com/dexon-foundation/dexon/common/hexutil",
+    "github.com/dexon-foundation/dexon/common/math",
     "github.com/dexon-foundation/dexon/crypto",
+    "github.com/dexon-foundation/dexon/crypto/secp256k1",
+    "github.com/dexon-foundation/dexon/crypto/sha3",
     "github.com/dexon-foundation/dexon/log",
     "github.com/dexon-foundation/dexon/rlp",
+    "github.com/go-stack/stack",
+    "github.com/golang/snappy",
+    "github.com/naoina/go-stringutil",
     "github.com/naoina/toml",
+    "github.com/naoina/toml/ast",
+    "github.com/pmezard/go-difflib/difflib",
+    "github.com/stretchr/testify/assert",
+    "github.com/stretchr/testify/require",
     "github.com/stretchr/testify/suite",
     "github.com/syndtr/goleveldb/leveldb",
+    "github.com/syndtr/goleveldb/leveldb/cache",
+    "github.com/syndtr/goleveldb/leveldb/comparer",
+    "github.com/syndtr/goleveldb/leveldb/errors",
+    "github.com/syndtr/goleveldb/leveldb/filter",
+    "github.com/syndtr/goleveldb/leveldb/iterator",
+    "github.com/syndtr/goleveldb/leveldb/journal",
+    "github.com/syndtr/goleveldb/leveldb/memdb",
+    "github.com/syndtr/goleveldb/leveldb/opt",
+    "github.com/syndtr/goleveldb/leveldb/storage",
+    "github.com/syndtr/goleveldb/leveldb/table",
+    "github.com/syndtr/goleveldb/leveldb/util",
   ]
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/core/consensus.go b/core/consensus.go
index 4a95eac..a02f8c1 100644
--- a/core/consensus.go
+++ b/core/consensus.go
@@ -733,7 +733,8 @@ func newConsensusForRound(
 	}
 	baConfig := agreementMgrConfig{}
 	baConfig.from(initRound, initConfig, initCRS)
-	baConfig.SetRoundBeginHeight(gov.GetRoundHeight(initRound))
+	// TODO(jimmy): remove -1 after we match the height with fullnode.
+	baConfig.SetRoundBeginHeight(gov.GetRoundHeight(initRound) - 1)
 	con.baMgr, err = newAgreementMgr(con, baConfig)
 	if err != nil {
 		panic(err)
@@ -809,7 +810,8 @@ func (con *Consensus) prepare(initBlock *types.Block) (err error) {
 			panic(err)
 		}
 		// The init config is provided to baModule when construction.
-		if evts[len(evts)-1].BeginHeight != con.gov.GetRoundHeight(initRound) {
+		// TODO(jimmy): remove -1 after we match the height with fullnode.
+		if evts[len(evts)-1].BeginHeight != con.gov.GetRoundHeight(initRound)-1 {
 			if err := con.baMgr.notifyRoundEvents(evts); err != nil {
 				panic(err)
 			}
diff --git a/core/test/governance.go b/core/test/governance.go
index 538d064..4970420 100644
--- a/core/test/governance.go
+++ b/core/test/governance.go
@@ -100,7 +100,8 @@ func (g *Governance) GetRoundHeight(round uint64) uint64 {
 		panic(fmt.Errorf("round begin height is not ready: %d %d",
 			round, len(g.roundBeginHeights)))
 	}
-	return g.roundBeginHeights[round]
+	// TODO(jimmy): remove this workaround.
+	return g.roundBeginHeights[round] + 1
 }
 
 // CRS returns the CRS for a given round.
diff --git a/core/utils/round-event.go b/core/utils/round-event.go
index 885c755..c03a2fd 100644
--- a/core/utils/round-event.go
+++ b/core/utils/round-event.go
@@ -179,7 +179,8 @@ func NewRoundEvent(parentCtx context.Context, gov governanceAccessor,
 	e.ctx, e.ctxCancel = context.WithCancel(parentCtx)
 	e.config = RoundBasedConfig{}
 	e.config.SetupRoundBasedFields(initRound, initConfig)
-	e.config.SetRoundBeginHeight(gov.GetRoundHeight(initRound))
+	// TODO(jimmy): remove -1 after we match the height with fullnode.
+	e.config.SetRoundBeginHeight(gov.GetRoundHeight(initRound) - 1)
 	// Make sure the DKG reset count in current governance can cover the initial
 	// block height.
 	resetCount := gov.DKGResetCount(initRound + 1)