rename signature to selector

core/vm/call_stack.go

@@ -37,7 +37,7 @@ type callStack struct {
 type csCall struct {
 	Op       OpCode
 	Address  common.Address
-	Signature []byte
+	Selector []byte
 }
 
 // newCallStack creates a new call stack.
@@ -47,14 +47,14 @@ func newCallStack() *callStack {
 
 // Push pushes given call to the stack.
 func (cs *callStack) Push(op OpCode, addr common.Address, input []byte) {
-	var signature []byte
+	var selector []byte
 	if len(input) >= 4 {
-		signature = input[:4]
+		selector = input[:4]
 	}
 	cs.calls = append(cs.calls, &csCall{
 		Op:       op,
 		Address:  addr,
-		Signature: signature,
+		Selector: selector,
 	})
 }
 
@@ -121,7 +121,7 @@ func (enc *callStackEncoder) Encode() ([]byte, error) {
 	for _, call := range enc.calls {
 		enc.appendNum(uint256.NewInt(uint64(call.Op)))
 		enc.appendAddr(call.Address)
-		enc.appendNum(uint256.NewInt(0).SetBytes(call.Signature))
+		enc.appendNum(uint256.NewInt(0).SetBytes(call.Selector))
 	}
 
 	return enc.result, nil

core/vm/call_stack_test.go

@@ -42,7 +42,7 @@ func benchCallStackPrecompileN(b *testing.B, n int) {
 		calls = append(calls, &csCall{
 			Op:       OpCode(i),
 			Address:  common.HexToAddress("0xCdA8dcaEe60ce9d63165Ef025fD98CDA2B99B5B2"),
-			Signature: []byte{0xde, 0xad, 0xbe, 0xef},
+			Selector: []byte{0xde, 0xad, 0xbe, 0xef},
 		})
 	}
 	callStack := newCallStack()
@@ -59,12 +59,12 @@ func TestCallStackPrecompile(t *testing.T) {
 		{
 			Op:       OpCode(0x10),
 			Address:  common.HexToAddress("0xCdA8dcaEe60ce9d63165Ef025fD98CDA2B99B5B2"),
-			Signature: []byte{0xab, 0xcd, 0xef, 0x12},
+			Selector: []byte{0xab, 0xcd, 0xef, 0x12},
 		},
 		{
 			Op:       OpCode(0x20),
 			Address:  common.HexToAddress("0xCdA8dcaEe60ce9d63165Ef025fD98CDA2B99B5B2"),
-			Signature: []byte{0xde, 0xad, 0xbe, 0xef},
+			Selector: []byte{0xde, 0xad, 0xbe, 0xef},
 		},
 	}
 	b, err := callStack.Run(nil)