fix some typos

Signed-off-by: battmdpkq <cmaker@163.com>

contracts/README.md

@@ -12,7 +12,7 @@ Create and modify the following files in this directory, the secret key inside t
 
 ```bash
 npm i
-# if you want to develope in localhost, try to run npm run devserver separately
+# if you want to develop in localhost, try to run npm run devserver separately
 # ex: npm run devserver
 # it will give you a set of secrets and account addresses
 ```

doc/configuration/envvars.md

@@ -10,7 +10,7 @@ MAX_QUERY_CLOSED_ORDERS_NUM_OF_PAGES=10
 
 
 # MAX_QUERY_CLOSED_ORDERS_LIMIT=[limit per query]
-# using defualt limit 1000 might cause the server response timeout, you can decrease this limit to prevent this kind of error.
+# using default limit 1000 might cause the server response timeout, you can decrease this limit to prevent this kind of error.
 # default = 1000
 MAX_QUERY_CLOSED_ORDERS_LIMIT=500
 

pkg/exchange/bybit/exchange.go

@@ -113,7 +113,7 @@ func (e *Exchange) QueryTicker(ctx context.Context, symbol string) (*types.Ticke
 	}
 
 	if len(s.List) != 1 {
-		return nil, fmt.Errorf("unexpected ticker lenght, exp:1, got:%d", len(s.List))
+		return nil, fmt.Errorf("unexpected ticker length, exp:1, got:%d", len(s.List))
 	}
 
 	ticker := toGlobalTicker(s.List[0], s.ClosedTime.Time())

pkg/indicator/volumeprofile.go

@@ -65,7 +65,7 @@ func (inc *VolumeProfile) Update(price, volume float64, timestamp types.Time) {
 // peak in the Volume Profile, and is considered to be an important level of support or resistance. It can be used by traders to
 // identify potential entry and exit points for trades, or to confirm other technical analysis signals.
 
-// Get Resistence Level by finding PoC
+// Get Resistance Level by finding PoC
 func (inc *VolumeProfile) PointOfControlAboveEqual(price float64, limit ...float64) (resultPrice float64, vol float64) {
 	filter := inc.maxPrice
 	if len(limit) > 0 {