Fix typos and add .gitignore (#2)

* Fix typos and add .gitignore
* Add more rule on .gitignore

9 files changed, 32 insertions, 17 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..67fb01a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,21 @@
+# Binaries for programs and plugins
+*.exe
+*.dll
+*.so
+*.dylib
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+.DS_Store
+
+# vim swap files
+*.swp
+*.swo
+
+# Project specific
+vendor
+
diff --git a/GNUmakefile b/GNUmakefile
index 09d680a..eb0d93b 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -1,4 +1,4 @@
-# Makefile for Cobinhood Backend
+# Makefile for DEXON consensus core
 
 DEXON_CONSENSUS_CORE=github.com/dexon-foundation/dexon-consensus-core
 
diff --git a/Gopkg.lock b/Gopkg.lock
index 57b1fdd..31eab77 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -8,12 +8,6 @@
   version = "v1.1.0"
 
 [[projects]]
-  name = "github.com/getlantern/deepcopy"
-  packages = ["."]
-  revision = "b923171e8640f94369e21e324b1b0465cb82ec9f"
-  version = "v1"
-
-[[projects]]
   branch = "master"
   name = "github.com/golang/snappy"
   packages = ["."]
@@ -72,6 +66,6 @@
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "15c32472a1fe08e302ec948065c4bd908fd8e81b4fda7cbb210f9431e63b3714"
+  inputs-digest = "fdad0896fd0b14f0f84c7b77ee9d6335968e200efa7d48562ed6e4a80b923d79"
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/blockdb/interfaces.go b/blockdb/interfaces.go
index 4d35e2e..9822dfc 100644
--- a/blockdb/interfaces.go
+++ b/blockdb/interfaces.go
@@ -27,13 +27,13 @@ import (
 var (
 	// ErrBlockExists is the error when block eixsts.
 	ErrBlockExists = errors.New("block exists")
-	// ErrBlockDoesNotExist is the error when block does not eixsts.
+	// ErrBlockDoesNotExist is the error when block does not eixst.
 	ErrBlockDoesNotExist = errors.New("block does not exist")
-	// ErrValidatorDoesNotExist is the error when validator does not eixsts.
+	// ErrValidatorDoesNotExist is the error when validator does not eixst.
 	ErrValidatorDoesNotExist = errors.New("validator does not exist")
 )
 
-// BlockDatabase is the interface for a BlockDatabse.
+// BlockDatabase is the interface for a BlockDatabase.
 type BlockDatabase interface {
 	Reader
 	Writer
diff --git a/common/types.go b/common/types.go
index a52aabf..35d8036 100644
--- a/common/types.go
+++ b/common/types.go
@@ -34,7 +34,7 @@ func (h Hash) String() string {
 	return hex.EncodeToString([]byte(h[:]))
 }
 
-// Equal compares if two hash are the same.
+// Equal compares if two hashes are the same.
 func (h Hash) Equal(hp Hash) bool {
 	return bytes.Compare([]byte(h[:]), []byte(hp[:])) == 0
 }
diff --git a/core/blockchain.go b/core/blockchain.go
index 6da74af..1222516 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -19,7 +19,7 @@ package core
 
 import "github.com/dexon-foundation/dexon-consensus-core/core/types"
 
-// BlockChain is the basic datastucture used for storing blocks in each
+// BlockChain is the basic datastructure used for storing blocks in each
 // validator.
 type BlockChain struct {
 	validatorID types.ValidatorID
diff --git a/core/blocklattice.go b/core/blocklattice.go
index 2f95733..10f4b51 100644
--- a/core/blocklattice.go
+++ b/core/blocklattice.go
@@ -38,7 +38,7 @@ const (
 	infinity uint64 = math.MaxUint64
 )
 
-// BlockLattice represent the local view of a single validator.
+// BlockLattice represents the local view of a single validator.
 //
 // blockDB stores blocks that are final. blocks stores blocks that are in ToTo
 // State.
@@ -97,7 +97,7 @@ func (l *BlockLattice) AddValidator(
 	id types.ValidatorID, genesis *types.Block) {
 
 	l.validatorSet[id] = struct{}{}
-	l.fmax = len(l.validatorSet) / 3
+	l.fmax = (len(l.validatorSet) - 1) / 3
 	l.phi = 2*l.fmax + 1
 
 	genesis.State = types.BlockStatusFinal
diff --git a/core/network.go b/core/network.go
index 1bd714d..8de73d2 100644
--- a/core/network.go
+++ b/core/network.go
@@ -21,7 +21,7 @@ import (
 	"github.com/dexon-foundation/dexon-consensus-core/core/types"
 )
 
-// Endpoint is the interface for a client network endoint.
+// Endpoint is the interface for a client network endpoint.
 type Endpoint interface {
 	GetID() types.ValidatorID
 }
diff --git a/core/types/block.go b/core/types/block.go
index 265d32f..8808312 100644
--- a/core/types/block.go
+++ b/core/types/block.go
@@ -25,7 +25,7 @@ import (
 	"github.com/dexon-foundation/dexon-consensus-core/common"
 )
 
-// State represent the block process state.
+// State represents the block process state.
 type State int
 
 // Block Status.