vm: omit context parameter from Call()

It's not used and should not be used to switch from contract to contract.

pkg/compiler/vm_test.go

@@ -89,7 +89,7 @@ func invokeMethod(t *testing.T, method string, script []byte, v *vm.VM, di *comp
 	v.LoadScriptWithFlags(script, callflag.All)
 	v.Context().Jump(mainOffset)
 	if initOffset >= 0 {
-		v.Call(v.Context(), initOffset)
+		v.Call(initOffset)
 	}
 }
 

pkg/core/blockchain.go

@@ -2191,7 +2191,7 @@ func (bc *Blockchain) InitVerificationVM(v *vm.VM, getContract func(util.Uint160
 		v.Context().Jump(md.Offset)
 
 		if initMD != nil {
-			v.Call(v.Context(), initMD.Offset)
+			v.Call(initMD.Offset)
 		}
 	}
 	if len(witness.InvocationScript) != 0 {

pkg/core/interop/contract/call.go

@@ -123,7 +123,7 @@ func callExFromNative(ic *interop.Context, caller util.Uint160, cs *state.Contra
 
 	md = cs.Manifest.ABI.GetMethod(manifest.MethodInit, 0)
 	if md != nil {
-		ic.VM.Call(ic.VM.Context(), md.Offset)
+		ic.VM.Call(md.Offset)
 	}
 
 	return nil

pkg/vm/cli/cli.go

@@ -460,7 +460,7 @@ func handleRun(c *ishell.Context) {
 			}
 			v.Context().Jump(offset)
 			if initMD := m.ABI.GetMethod(manifest.MethodInit, 0); initMD != nil {
-				v.Call(v.Context(), initMD.Offset)
+				v.Call(initMD.Offset)
 			}
 		}
 	}

pkg/vm/vm.go

@@ -1557,8 +1557,8 @@ func (v *VM) throw(item stackitem.Item) {
 }
 
 // Call calls method by offset using new execution context.
-func (v *VM) Call(ctx *Context, offset int) {
-	v.call(ctx, offset)
+func (v *VM) Call(offset int) {
+	v.call(v.Context(), offset)
 }
 
 // call is an internal representation of Call, which does not