forks/go-ethereum
1
0
Fork 1
mirror of https://github.com/ethereum/go-ethereum.git synced 2026-08-18 18:02:24 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

accounts/abi: fix comments

Browse source
This commit is contained in:
adriamb 2018-05-11 09:51:29 +02:00
parent cc34d6e2b8
commit 4566fa8660
1 changed files with 8 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
accounts/abi/reflect.go
View file

@ -116,7 +116,7 @@ func requireUnpackKind(v reflect.Value, t reflect.Type, k reflect.Kind,
// first round: for each Exportable field that contains a `abi:""` tag
// and this field name exists in the arguments, pair them together.
// second round: for each argument field that has not been already linked,
// find what variable is expected to be mapped into, if exists and has not been
// find what variable is expected to be mapped into, if it exists and has not been
// used, pair them.
func mapAbiToStructFields(args Arguments, value reflect.Value) (map[string]string, error) {
@ -134,14 +134,14 @@ func mapAbiToStructFields(args Arguments, value reflect.Value) (map[string]strin
continue
}
// skip fields that has not `abi:""` tag.
// skip fields that have no abi:"" tag.
var ok bool
var tagName string
if tagName, ok = typ.Field(i).Tag.Lookup("abi"); !ok {
continue
}
// check if tag is emmpty.
// check if tag is empty.
if tagName == "" {
return nil, fmt.Errorf("struct: abi tag in '%s' is empty", structFieldName)
}
@ -177,9 +177,11 @@ func mapAbiToStructFields(args Arguments, value reflect.Value) (map[string]strin
return nil, fmt.Errorf("abi: purely underscored output cannot unpack to struct")
}
// this abi been already paired, skip
// this abi has already been paired, skip... unless exists another not still assigned
// struct field with the same field name, in the case raise an error:
// abi: [ { "name": "value" } ]
// struct { Value *big.Int , Value1 *big.Int `abi:"value"`}
if abi2struct[abiFieldName] != "" {
// unless if exists another not still assigned struct field with the same name
if abi2struct[abiFieldName] != structFieldName &&
struct2abi[structFieldName] == "" &&
value.FieldByName(structFieldName).IsValid() {
@ -188,7 +190,7 @@ func mapAbiToStructFields(args Arguments, value reflect.Value) (map[string]strin
continue
}
// error if this struct field been already paired.
// return an error if this struct field has already been paired.
if struct2abi[structFieldName] != "" {
return nil, fmt.Errorf("abi: multiple outputs mapping to the same struct field '%s'", structFieldName)
}