[#488] reputation: Change Writer interface

Includes:
- Delete first `ctx` argument in `Write` method.
- Move intermediate Initial trust struct and method
to `calculator` file.
- Change Alpha to 0.1.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

pkg/services/reputation/local/controller/calls.go

@@ -126,7 +126,7 @@ func (c *reportContext) report() {
 				return err
 			}
 
-			return targetWriter.Write(c.ctx, t)
+			return targetWriter.Write(t)
 		},
 	)
 	if err != nil && !errors.Is(err, context.Canceled) {

pkg/services/reputation/local/storage/calls.go

@@ -47,7 +47,7 @@ type EpochTrustValueStorage struct {
 
 func newTrustValueStorage() *EpochTrustValueStorage {
 	return &EpochTrustValueStorage{
-		mItems:     make(map[string]*trustValue, 1),
+		mItems: make(map[string]*trustValue, 1),
 	}
 }
 

pkg/services/reputation/local/storage/storage.go

@@ -9,7 +9,7 @@ import (
 // All values must comply with the requirements imposed on them.
 // Passing incorrect parameter values will result in constructor
 // failure (error or panic depending on the implementation).
-type Prm struct {}
+type Prm struct{}
 
 // Storage represents in-memory storage of
 // local reputation values.