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-rw-r--r--common/hexutil/json.go4
-rw-r--r--common/hexutil/json_test.go6
2 files changed, 5 insertions, 5 deletions
diff --git a/common/hexutil/json.go b/common/hexutil/json.go
index cbbadbed6..c36d862b5 100644
--- a/common/hexutil/json.go
+++ b/common/hexutil/json.go
@@ -237,7 +237,7 @@ func checkJSON(input []byte) (raw []byte, err error) {
return nil, errNonString
}
if len(input) == 2 {
- return nil, ErrEmptyString
+ return nil, nil // empty strings are allowed
}
if !bytesHave0xPrefix(input[1:]) {
return nil, ErrMissingPrefix
@@ -255,7 +255,7 @@ func checkNumberJSON(input []byte) (raw []byte, err error) {
}
input = input[1 : len(input)-1]
if len(input) == 0 {
- return nil, ErrEmptyString
+ return nil, nil // empty strings are allowed
}
if !bytesHave0xPrefix(input) {
return nil, ErrMissingPrefix
diff --git a/common/hexutil/json_test.go b/common/hexutil/json_test.go
index 2d2e2fc0f..290bf9ca2 100644
--- a/common/hexutil/json_test.go
+++ b/common/hexutil/json_test.go
@@ -60,13 +60,13 @@ var unmarshalBytesTests = []unmarshalTest{
{input: "", wantErr: errNonString},
{input: "null", wantErr: errNonString},
{input: "10", wantErr: errNonString},
- {input: `""`, wantErr: ErrEmptyString},
{input: `"0"`, wantErr: ErrMissingPrefix},
{input: `"0x0"`, wantErr: ErrOddLength},
{input: `"0xxx"`, wantErr: ErrSyntax},
{input: `"0x01zz01"`, wantErr: ErrSyntax},
// valid encoding
+ {input: `""`, want: referenceBytes("")},
{input: `"0x"`, want: referenceBytes("")},
{input: `"0x02"`, want: referenceBytes("02")},
{input: `"0X02"`, want: referenceBytes("02")},
@@ -125,7 +125,6 @@ var unmarshalBigTests = []unmarshalTest{
{input: "", wantErr: errNonString},
{input: "null", wantErr: errNonString},
{input: "10", wantErr: errNonString},
- {input: `""`, wantErr: ErrEmptyString},
{input: `"0"`, wantErr: ErrMissingPrefix},
{input: `"0x"`, wantErr: ErrEmptyNumber},
{input: `"0x01"`, wantErr: ErrLeadingZero},
@@ -133,6 +132,7 @@ var unmarshalBigTests = []unmarshalTest{
{input: `"0x1zz01"`, wantErr: ErrSyntax},
// valid encoding
+ {input: `""`, want: big.NewInt(0)},
{input: `"0x0"`, want: big.NewInt(0)},
{input: `"0x2"`, want: big.NewInt(0x2)},
{input: `"0x2F2"`, want: big.NewInt(0x2f2)},
@@ -198,7 +198,6 @@ var unmarshalUint64Tests = []unmarshalTest{
{input: "", wantErr: errNonString},
{input: "null", wantErr: errNonString},
{input: "10", wantErr: errNonString},
- {input: `""`, wantErr: ErrEmptyString},
{input: `"0"`, wantErr: ErrMissingPrefix},
{input: `"0x"`, wantErr: ErrEmptyNumber},
{input: `"0x01"`, wantErr: ErrLeadingZero},
@@ -207,6 +206,7 @@ var unmarshalUint64Tests = []unmarshalTest{
{input: `"0x1zz01"`, wantErr: ErrSyntax},
// valid encoding
+ {input: `""`, want: uint64(0)},
{input: `"0x0"`, want: uint64(0)},
{input: `"0x2"`, want: uint64(0x2)},
{input: `"0x2F2"`, want: uint64(0x2f2)},