Add a simple Codec test (smartcontractkit#12006)

Hopefully a clear minimal example.
faretdinovfi · Feb 13, 2024 · 85e8858 · 85e8858
1 parent 2380220
commit 85e8858
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diff --git a/core/services/relay/evm/codec_test.go b/core/services/relay/evm/codec_test.go
@@ -50,6 +50,31 @@ func TestCodec(t *testing.T) {
 	})
 }
 
+func TestCodec_SimpleEncode(t *testing.T) {
+	codecName := "my_codec"
+	input := map[string]any{
+		"Report": int32(6),
+		"Meta":   "abcdefg",
+	}
+	evmEncoderConfig := `[{"Name":"Report","Type":"int32"},{"Name":"Meta","Type":"string"}]`
+
+	codecConfig := types.CodecConfig{Configs: map[string]types.ChainCodecConfig{
+		codecName: {TypeABI: evmEncoderConfig},
+	}}
+	c, err := evm.NewCodec(codecConfig)
+	require.NoError(t, err)
+
+	result, err := c.Encode(testutils.Context(t), input, codecName)
+	require.NoError(t, err)
+	expected :=
+		"0000000000000000000000000000000000000000000000000000000000000006" + // int32(6)
+			"0000000000000000000000000000000000000000000000000000000000000040" + // total bytes occupied by the string (64)
+			"0000000000000000000000000000000000000000000000000000000000000007" + // length of the string (7 chars)
+			"6162636465666700000000000000000000000000000000000000000000000000" // actual string
+
+	require.Equal(t, expected, hexutil.Encode(result)[2:])
+}
+
 type codecInterfaceTester struct{}
 
 func (it *codecInterfaceTester) Setup(_ *testing.T) {}

diff --git a/core/services/relay/evm/types/codec_entry.go b/core/services/relay/evm/types/codec_entry.go
@@ -222,7 +222,7 @@ func getNativeAndCheckedTypes(curType *abi.Type) (reflect.Type, reflect.Type, er
 func createTupleType(curType *abi.Type, converter func(reflect.Type) reflect.Type) (reflect.Type, reflect.Type, error) {
 	if len(curType.TupleElems) == 0 {
 		if curType.TupleType == nil {
-			return nil, nil, fmt.Errorf("%w: unsupported solitidy type: %v", commontypes.ErrInvalidType, curType.String())
+			return nil, nil, fmt.Errorf("%w: unsupported solidity type: %v", commontypes.ErrInvalidType, curType.String())
 		}
 		return curType.TupleType, curType.TupleType, nil
 	}