accounts/abi: enable struct golang binding generation (#18491)
* accounts/abi, cmd/abigen: support tuple accounts/abi/bind, cmd/abigen: add objc back accounts/abi/bind: use byte[24] as function indicator accounts/abi/bind: resolve struct slice or array accounts/abi/bind: remove sort logic accounts: fix issues in abi * accounts/abi: address comment
This commit is contained in:
gary rong
Guillaume Ballet
parent
ca6c8c2af4
commit
5f5de49cd9
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@ -119,11 +119,22 @@ func unpack(t *Type, dst interface{}, src interface{}) error {
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dstVal = reflect.ValueOf(dst).Elem()
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srcVal = reflect.ValueOf(src)
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)
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if t.T != TupleTy && !((t.T == SliceTy || t.T == ArrayTy) && t.Elem.T == TupleTy) {
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tuple, typ := false, t
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for {
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if typ.T == SliceTy || typ.T == ArrayTy {
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typ = typ.Elem
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continue
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}
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tuple = typ.T == TupleTy
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break
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}
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if !tuple {
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return set(dstVal, srcVal)
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}
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// Dereferences interface or pointer wrapper
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dstVal = indirectInterfaceOrPtr(dstVal)
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switch t.T {
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case TupleTy:
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if dstVal.Kind() != reflect.Struct {
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@ -191,7 +202,7 @@ func (arguments Arguments) unpackAtomic(v interface{}, marshalledValues interfac
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argument := arguments.NonIndexed()[0]
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elem := reflect.ValueOf(v).Elem()
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if elem.Kind() == reflect.Struct {
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if elem.Kind() == reflect.Struct && argument.Type.T != TupleTy {
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fieldmap, err := mapArgNamesToStructFields([]string{argument.Name}, elem)
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if err != nil {
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return err
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@ -22,6 +22,7 @@ package bind
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import (
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"bytes"
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"errors"
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"fmt"
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"go/format"
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"regexp"
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@ -38,6 +39,7 @@ type Lang int
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const (
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LangGo Lang = iota
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LangJava
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LangObjC
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)
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// Bind generates a Go wrapper around a contract ABI. This wrapper isn't meant
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@ -62,11 +64,12 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
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return r
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}, abis[i])
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// Extract the call and transact methods; events; and sort them alphabetically
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// Extract the call and transact methods; events, struct definitions; and sort them alphabetically
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var (
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calls = make(map[string]*tmplMethod)
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transacts = make(map[string]*tmplMethod)
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events = make(map[string]*tmplEvent)
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structs = make(map[string]*tmplStruct)
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)
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for _, original := range evmABI.Methods {
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// Normalize the method for capital cases and non-anonymous inputs/outputs
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@ -79,6 +82,9 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
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if input.Name == "" {
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normalized.Inputs[j].Name = fmt.Sprintf("arg%d", j)
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}
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if _, exist := structs[input.Type.String()]; input.Type.T == abi.TupleTy && !exist {
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bindStructType[lang](input.Type, structs)
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}
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}
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normalized.Outputs = make([]abi.Argument, len(original.Outputs))
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copy(normalized.Outputs, original.Outputs)
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@ -86,6 +92,9 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
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if output.Name != "" {
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normalized.Outputs[j].Name = capitalise(output.Name)
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}
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if _, exist := structs[output.Type.String()]; output.Type.T == abi.TupleTy && !exist {
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bindStructType[lang](output.Type, structs)
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}
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}
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// Append the methods to the call or transact lists
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if original.Const {
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@ -111,11 +120,20 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
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if input.Name == "" {
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normalized.Inputs[j].Name = fmt.Sprintf("arg%d", j)
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}
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if _, exist := structs[input.Type.String()]; input.Type.T == abi.TupleTy && !exist {
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bindStructType[lang](input.Type, structs)
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}
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}
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}
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// Append the event to the accumulator list
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events[original.Name] = &tmplEvent{Original: original, Normalized: normalized}
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}
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// There is no easy way to pass arbitrary java objects to the Go side.
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if len(structs) > 0 && lang == LangJava {
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return "", errors.New("java binding for tuple arguments is not supported yet")
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}
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contracts[types[i]] = &tmplContract{
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Type: capitalise(types[i]),
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InputABI: strings.Replace(strippedABI, "\"", "\\\"", -1),
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@ -124,6 +142,7 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
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Calls: calls,
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Transacts: transacts,
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Events: events,
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Structs: structs,
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}
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if len(fsigs) > i {
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contracts[types[i]].FuncSigs = fsigs[i]
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@ -140,6 +159,8 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
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"bindtype": bindType[lang],
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"bindtopictype": bindTopicType[lang],
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"namedtype": namedType[lang],
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"formatmethod": formatMethod,
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"formatevent": formatEvent,
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"capitalise": capitalise,
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"decapitalise": decapitalise,
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}
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@ -161,7 +182,7 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
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// bindType is a set of type binders that convert Solidity types to some supported
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// programming language types.
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var bindType = map[Lang]func(kind abi.Type) string{
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var bindType = map[Lang]func(kind abi.Type, structs map[string]*tmplStruct) string{
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LangGo: bindTypeGo,
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LangJava: bindTypeJava,
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}
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@ -193,13 +214,14 @@ func bindBasicTypeGo(kind abi.Type) string {
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// bindTypeGo converts solidity types to Go ones. Since there is no clear mapping
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// from all Solidity types to Go ones (e.g. uint17), those that cannot be exactly
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// mapped will use an upscaled type (e.g. BigDecimal).
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func bindTypeGo(kind abi.Type) string {
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// todo(rjl493456442) tuple
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func bindTypeGo(kind abi.Type, structs map[string]*tmplStruct) string {
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switch kind.T {
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case abi.TupleTy:
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return structs[kind.String()].Name
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case abi.ArrayTy:
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return fmt.Sprintf("[%d]", kind.Size) + bindTypeGo(*kind.Elem)
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return fmt.Sprintf("[%d]", kind.Size) + bindTypeGo(*kind.Elem, structs)
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case abi.SliceTy:
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return "[]" + bindTypeGo(*kind.Elem)
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return "[]" + bindTypeGo(*kind.Elem, structs)
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default:
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return bindBasicTypeGo(kind)
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}
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@ -248,15 +270,10 @@ func bindBasicTypeJava(kind abi.Type) string {
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}
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}
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// bindTypeJava converts a Solidity type to a Java one. Since there is no clear mapping
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// from all Solidity types to Java ones (e.g. uint17), those that cannot be exactly
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// mapped will use an upscaled type (e.g. BigDecimal).
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func bindTypeJava(kind abi.Type) string {
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switch kind.T {
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case abi.ArrayTy, abi.SliceTy:
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// Explicitly convert multidimensional types to predefined type in go side.
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inner := bindTypeJava(*kind.Elem)
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switch inner {
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// pluralizeJavaType explicitly converts multidimensional types to predefined
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// type in go side.
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func pluralizeJavaType(typ string) string {
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switch typ {
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case "boolean":
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return "Bools"
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case "String":
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@ -268,7 +285,18 @@ func bindTypeJava(kind abi.Type) string {
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case "BigInt":
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return "BigInts"
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}
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return inner + "[]"
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return typ + "[]"
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}
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// bindTypeJava converts a Solidity type to a Java one. Since there is no clear mapping
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// from all Solidity types to Java ones (e.g. uint17), those that cannot be exactly
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// mapped will use an upscaled type (e.g. BigDecimal).
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func bindTypeJava(kind abi.Type, structs map[string]*tmplStruct) string {
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switch kind.T {
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case abi.TupleTy:
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return structs[kind.String()].Name
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case abi.ArrayTy, abi.SliceTy:
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return pluralizeJavaType(bindTypeJava(*kind.Elem, structs))
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default:
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return bindBasicTypeJava(kind)
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}
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@ -276,15 +304,15 @@ func bindTypeJava(kind abi.Type) string {
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// bindTopicType is a set of type binders that convert Solidity types to some
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// supported programming language topic types.
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var bindTopicType = map[Lang]func(kind abi.Type) string{
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var bindTopicType = map[Lang]func(kind abi.Type, structs map[string]*tmplStruct) string{
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LangGo: bindTopicTypeGo,
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LangJava: bindTopicTypeJava,
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}
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// bindTypeGo converts a Solidity topic type to a Go one. It is almost the same
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// funcionality as for simple types, but dynamic types get converted to hashes.
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func bindTopicTypeGo(kind abi.Type) string {
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bound := bindTypeGo(kind)
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func bindTopicTypeGo(kind abi.Type, structs map[string]*tmplStruct) string {
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bound := bindTypeGo(kind, structs)
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if bound == "string" || bound == "[]byte" {
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bound = "common.Hash"
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}
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@ -293,14 +321,77 @@ func bindTopicTypeGo(kind abi.Type) string {
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// bindTypeGo converts a Solidity topic type to a Java one. It is almost the same
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// funcionality as for simple types, but dynamic types get converted to hashes.
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func bindTopicTypeJava(kind abi.Type) string {
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bound := bindTypeJava(kind)
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func bindTopicTypeJava(kind abi.Type, structs map[string]*tmplStruct) string {
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bound := bindTypeJava(kind, structs)
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if bound == "String" || bound == "byte[]" {
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bound = "Hash"
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}
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return bound
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}
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// bindStructType is a set of type binders that convert Solidity tuple types to some supported
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// programming language struct definition.
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var bindStructType = map[Lang]func(kind abi.Type, structs map[string]*tmplStruct) string{
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LangGo: bindStructTypeGo,
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LangJava: bindStructTypeJava,
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}
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// bindStructTypeGo converts a Solidity tuple type to a Go one and records the mapping
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// in the given map.
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// Notably, this function will resolve and record nested struct recursively.
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func bindStructTypeGo(kind abi.Type, structs map[string]*tmplStruct) string {
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switch kind.T {
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case abi.TupleTy:
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if s, exist := structs[kind.String()]; exist {
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return s.Name
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}
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var fields []*tmplField
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for i, elem := range kind.TupleElems {
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field := bindStructTypeGo(*elem, structs)
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fields = append(fields, &tmplField{Type: field, Name: capitalise(kind.TupleRawNames[i]), SolKind: *elem})
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}
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name := fmt.Sprintf("Struct%d", len(structs))
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structs[kind.String()] = &tmplStruct{
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Name: name,
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Fields: fields,
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}
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return name
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case abi.ArrayTy:
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return fmt.Sprintf("[%d]", kind.Size) + bindStructTypeGo(*kind.Elem, structs)
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case abi.SliceTy:
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return "[]" + bindStructTypeGo(*kind.Elem, structs)
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default:
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return bindBasicTypeGo(kind)
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}
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}
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// bindStructTypeJava converts a Solidity tuple type to a Java one and records the mapping
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// in the given map.
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// Notably, this function will resolve and record nested struct recursively.
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func bindStructTypeJava(kind abi.Type, structs map[string]*tmplStruct) string {
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switch kind.T {
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case abi.TupleTy:
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if s, exist := structs[kind.String()]; exist {
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return s.Name
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}
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var fields []*tmplField
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for i, elem := range kind.TupleElems {
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field := bindStructTypeJava(*elem, structs)
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fields = append(fields, &tmplField{Type: field, Name: decapitalise(kind.TupleRawNames[i]), SolKind: *elem})
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}
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name := fmt.Sprintf("Class%d", len(structs))
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structs[kind.String()] = &tmplStruct{
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Name: name,
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Fields: fields,
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}
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return name
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case abi.ArrayTy, abi.SliceTy:
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return pluralizeJavaType(bindStructTypeJava(*kind.Elem, structs))
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default:
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return bindBasicTypeJava(kind)
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}
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}
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// namedType is a set of functions that transform language specific types to
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// named versions that my be used inside method names.
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var namedType = map[Lang]func(string, abi.Type) string{
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@ -378,3 +469,63 @@ func structured(args abi.Arguments) bool {
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}
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return true
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}
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// resolveArgName converts a raw argument representation into a user friendly format.
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func resolveArgName(arg abi.Argument, structs map[string]*tmplStruct) string {
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var (
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prefix string
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embedded string
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typ = &arg.Type
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)
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loop:
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for {
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switch typ.T {
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case abi.SliceTy:
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prefix += "[]"
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case abi.ArrayTy:
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prefix += fmt.Sprintf("[%d]", typ.Size)
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default:
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embedded = typ.String()
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break loop
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}
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typ = typ.Elem
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}
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if s, exist := structs[embedded]; exist {
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return prefix + s.Name
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} else {
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return arg.Type.String()
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}
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}
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// formatMethod transforms raw method representation into a user friendly one.
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func formatMethod(method abi.Method, structs map[string]*tmplStruct) string {
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inputs := make([]string, len(method.Inputs))
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for i, input := range method.Inputs {
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inputs[i] = fmt.Sprintf("%v %v", resolveArgName(input, structs), input.Name)
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}
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outputs := make([]string, len(method.Outputs))
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for i, output := range method.Outputs {
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outputs[i] = resolveArgName(output, structs)
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if len(output.Name) > 0 {
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outputs[i] += fmt.Sprintf(" %v", output.Name)
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}
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}
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constant := ""
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if method.Const {
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constant = "constant "
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}
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return fmt.Sprintf("function %v(%v) %sreturns(%v)", method.Name, strings.Join(inputs, ", "), constant, strings.Join(outputs, ", "))
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}
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// formatEvent transforms raw event representation into a user friendly one.
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func formatEvent(event abi.Event, structs map[string]*tmplStruct) string {
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inputs := make([]string, len(event.Inputs))
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for i, input := range event.Inputs {
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if input.Indexed {
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inputs[i] = fmt.Sprintf("%v indexed %v", resolveArgName(input, structs), input.Name)
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} else {
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inputs[i] = fmt.Sprintf("%v %v", resolveArgName(input, structs), input.Name)
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}
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}
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return fmt.Sprintf("event %v(%v)", event.Name, strings.Join(inputs, ", "))
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}
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|
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File diff suppressed because one or more lines are too long
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@ -34,6 +34,7 @@ type tmplContract struct {
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Calls map[string]*tmplMethod // Contract calls that only read state data
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Transacts map[string]*tmplMethod // Contract calls that write state data
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Events map[string]*tmplEvent // Contract events accessors
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Structs map[string]*tmplStruct // Contract struct type definitions
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}
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// tmplMethod is a wrapper around an abi.Method that contains a few preprocessed
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@ -50,6 +51,21 @@ type tmplEvent struct {
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Normalized abi.Event // Normalized version of the parsed fields
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}
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// tmplField is a wrapper around a struct field with binding language
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// struct type definition and relative filed name.
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type tmplField struct {
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Type string // Field type representation depends on target binding language
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Name string // Field name converted from the raw user-defined field name
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SolKind abi.Type // Raw abi type information
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}
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// tmplStruct is a wrapper around an abi.tuple contains a auto-generated
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// struct name.
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type tmplStruct struct {
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Name string // Auto-generated struct name(We can't obtain the raw struct name through abi)
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Fields []*tmplField // Struct fields definition depends on the binding language.
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}
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// tmplSource is language to template mapping containing all the supported
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// programming languages the package can generate to.
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var tmplSource = map[Lang]string{
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@ -90,6 +106,7 @@ var (
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)
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{{range $contract := .Contracts}}
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{{$structs := $contract.Structs}}
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// {{.Type}}ABI is the input ABI used to generate the binding from.
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const {{.Type}}ABI = "{{.InputABI}}"
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@ -107,7 +124,7 @@ var (
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const {{.Type}}Bin = ` + "`" + `{{.InputBin}}` + "`" + `
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// Deploy{{.Type}} deploys a new Ethereum contract, binding an instance of {{.Type}} to it.
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func Deploy{{.Type}}(auth *bind.TransactOpts, backend bind.ContractBackend {{range .Constructor.Inputs}}, {{.Name}} {{bindtype .Type}}{{end}}) (common.Address, *types.Transaction, *{{.Type}}, error) {
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func Deploy{{.Type}}(auth *bind.TransactOpts, backend bind.ContractBackend {{range .Constructor.Inputs}}, {{.Name}} {{bindtype .Type $structs}}{{end}}) (common.Address, *types.Transaction, *{{.Type}}, error) {
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parsed, err := abi.JSON(strings.NewReader({{.Type}}ABI))
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if err != nil {
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return common.Address{}, nil, nil, err
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@ -262,16 +279,24 @@ var (
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return _{{$contract.Type}}.Contract.contract.Transact(opts, method, params...)
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}
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{{range .Structs}}
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// {{.Name}} is an auto generated low-level Go binding around an user-defined struct.
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type {{.Name}} struct {
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{{range $field := .Fields}}
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{{$field.Name}} {{$field.Type}}{{end}}
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}
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{{end}}
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{{range .Calls}}
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// {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.Id}}.
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//
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// Solidity: {{.Original.String}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}Caller) {{.Normalized.Name}}(opts *bind.CallOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type}};{{end}} },{{else}}{{range .Normalized.Outputs}}{{bindtype .Type}},{{end}}{{end}} error) {
|
||||
// Solidity: {{formatmethod .Original $structs}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}Caller) {{.Normalized.Name}}(opts *bind.CallOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} },{{else}}{{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}}{{end}} error) {
|
||||
{{if .Structured}}ret := new(struct{
|
||||
{{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type}}
|
||||
{{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}}
|
||||
{{end}}
|
||||
}){{else}}var (
|
||||
{{range $i, $_ := .Normalized.Outputs}}ret{{$i}} = new({{bindtype .Type}})
|
||||
{{range $i, $_ := .Normalized.Outputs}}ret{{$i}} = new({{bindtype .Type $structs}})
|
||||
{{end}}
|
||||
){{end}}
|
||||
out := {{if .Structured}}ret{{else}}{{if eq (len .Normalized.Outputs) 1}}ret0{{else}}&[]interface{}{
|
||||
|
|
@ -284,15 +309,15 @@ var (
|
|||
|
||||
// {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.Id}}.
|
||||
//
|
||||
// Solidity: {{.Original.String}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type}},{{end}} {{end}} error) {
|
||||
// Solidity: {{formatmethod .Original $structs}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}} {{end}} error) {
|
||||
return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.CallOpts {{range .Normalized.Inputs}}, {{.Name}}{{end}})
|
||||
}
|
||||
|
||||
// {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.Id}}.
|
||||
//
|
||||
// Solidity: {{.Original.String}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}CallerSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type}},{{end}} {{end}} error) {
|
||||
// Solidity: {{formatmethod .Original $structs}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}CallerSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}} {{end}} error) {
|
||||
return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.CallOpts {{range .Normalized.Inputs}}, {{.Name}}{{end}})
|
||||
}
|
||||
{{end}}
|
||||
|
|
@ -300,22 +325,22 @@ var (
|
|||
{{range .Transacts}}
|
||||
// {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.Id}}.
|
||||
//
|
||||
// Solidity: {{.Original.String}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}Transactor) {{.Normalized.Name}}(opts *bind.TransactOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type}} {{end}}) (*types.Transaction, error) {
|
||||
// Solidity: {{formatmethod .Original $structs}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}Transactor) {{.Normalized.Name}}(opts *bind.TransactOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) {
|
||||
return _{{$contract.Type}}.contract.Transact(opts, "{{.Original.Name}}" {{range .Normalized.Inputs}}, {{.Name}}{{end}})
|
||||
}
|
||||
|
||||
// {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.Id}}.
|
||||
//
|
||||
// Solidity: {{.Original.String}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type}} {{end}}) (*types.Transaction, error) {
|
||||
// Solidity: {{formatmethod .Original $structs}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) {
|
||||
return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}})
|
||||
}
|
||||
|
||||
// {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.Id}}.
|
||||
//
|
||||
// Solidity: {{.Original.String}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type}} {{end}}) (*types.Transaction, error) {
|
||||
// Solidity: {{formatmethod .Original $structs}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) {
|
||||
return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}})
|
||||
}
|
||||
{{end}}
|
||||
|
|
@ -387,14 +412,14 @@ var (
|
|||
|
||||
// {{$contract.Type}}{{.Normalized.Name}} represents a {{.Normalized.Name}} event raised by the {{$contract.Type}} contract.
|
||||
type {{$contract.Type}}{{.Normalized.Name}} struct { {{range .Normalized.Inputs}}
|
||||
{{capitalise .Name}} {{if .Indexed}}{{bindtopictype .Type}}{{else}}{{bindtype .Type}}{{end}}; {{end}}
|
||||
{{capitalise .Name}} {{if .Indexed}}{{bindtopictype .Type $structs}}{{else}}{{bindtype .Type $structs}}{{end}}; {{end}}
|
||||
Raw types.Log // Blockchain specific contextual infos
|
||||
}
|
||||
|
||||
// Filter{{.Normalized.Name}} is a free log retrieval operation binding the contract event 0x{{printf "%x" .Original.Id}}.
|
||||
//
|
||||
// Solidity: {{.Original.String}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Filter{{.Normalized.Name}}(opts *bind.FilterOpts{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type}}{{end}}{{end}}) (*{{$contract.Type}}{{.Normalized.Name}}Iterator, error) {
|
||||
// Solidity: {{formatevent .Original $structs}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Filter{{.Normalized.Name}}(opts *bind.FilterOpts{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type $structs}}{{end}}{{end}}) (*{{$contract.Type}}{{.Normalized.Name}}Iterator, error) {
|
||||
{{range .Normalized.Inputs}}
|
||||
{{if .Indexed}}var {{.Name}}Rule []interface{}
|
||||
for _, {{.Name}}Item := range {{.Name}} {
|
||||
|
|
@ -410,8 +435,8 @@ var (
|
|||
|
||||
// Watch{{.Normalized.Name}} is a free log subscription operation binding the contract event 0x{{printf "%x" .Original.Id}}.
|
||||
//
|
||||
// Solidity: {{.Original.String}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Watch{{.Normalized.Name}}(opts *bind.WatchOpts, sink chan<- *{{$contract.Type}}{{.Normalized.Name}}{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type}}{{end}}{{end}}) (event.Subscription, error) {
|
||||
// Solidity: {{formatevent .Original $structs}}
|
||||
func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Watch{{.Normalized.Name}}(opts *bind.WatchOpts, sink chan<- *{{$contract.Type}}{{.Normalized.Name}}{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type $structs}}{{end}}{{end}}) (event.Subscription, error) {
|
||||
{{range .Normalized.Inputs}}
|
||||
{{if .Indexed}}var {{.Name}}Rule []interface{}
|
||||
for _, {{.Name}}Item := range {{.Name}} {
|
||||
|
|
@ -477,6 +502,7 @@ import org.ethereum.geth.*;
|
|||
import java.util.*;
|
||||
|
||||
{{range $contract := .Contracts}}
|
||||
{{$structs := $contract.Structs}}
|
||||
public class {{.Type}} {
|
||||
// ABI is the input ABI used to generate the binding from.
|
||||
public final static String ABI = "{{.InputABI}}";
|
||||
|
|
@ -496,9 +522,9 @@ public class {{.Type}} {
|
|||
public final static String BYTECODE = "0x{{.InputBin}}";
|
||||
|
||||
// deploy deploys a new Ethereum contract, binding an instance of {{.Type}} to it.
|
||||
public static {{.Type}} deploy(TransactOpts auth, EthereumClient client{{range .Constructor.Inputs}}, {{bindtype .Type}} {{.Name}}{{end}}) throws Exception {
|
||||
public static {{.Type}} deploy(TransactOpts auth, EthereumClient client{{range .Constructor.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception {
|
||||
Interfaces args = Geth.newInterfaces({{(len .Constructor.Inputs)}});
|
||||
{{range $index, $element := .Constructor.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
|
||||
{{range $index, $element := .Constructor.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
|
||||
{{end}}
|
||||
return new {{.Type}}(Geth.deployContract(auth, ABI, Geth.decodeFromHex(BYTECODE), client, args));
|
||||
}
|
||||
|
|
@ -529,7 +555,7 @@ public class {{.Type}} {
|
|||
{{if gt (len .Normalized.Outputs) 1}}
|
||||
// {{capitalise .Normalized.Name}}Results is the output of a call to {{.Normalized.Name}}.
|
||||
public class {{capitalise .Normalized.Name}}Results {
|
||||
{{range $index, $item := .Normalized.Outputs}}public {{bindtype .Type}} {{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}};
|
||||
{{range $index, $item := .Normalized.Outputs}}public {{bindtype .Type $structs}} {{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}};
|
||||
{{end}}
|
||||
}
|
||||
{{end}}
|
||||
|
|
@ -537,13 +563,13 @@ public class {{.Type}} {
|
|||
// {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.Id}}.
|
||||
//
|
||||
// Solidity: {{.Original.String}}
|
||||
public {{if gt (len .Normalized.Outputs) 1}}{{capitalise .Normalized.Name}}Results{{else}}{{range .Normalized.Outputs}}{{bindtype .Type}}{{end}}{{end}} {{.Normalized.Name}}(CallOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type}} {{.Name}}{{end}}) throws Exception {
|
||||
public {{if gt (len .Normalized.Outputs) 1}}{{capitalise .Normalized.Name}}Results{{else}}{{range .Normalized.Outputs}}{{bindtype .Type $structs}}{{end}}{{end}} {{.Normalized.Name}}(CallOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception {
|
||||
Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}});
|
||||
{{range $index, $item := .Normalized.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
|
||||
{{range $index, $item := .Normalized.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
|
||||
{{end}}
|
||||
|
||||
Interfaces results = Geth.newInterfaces({{(len .Normalized.Outputs)}});
|
||||
{{range $index, $item := .Normalized.Outputs}}Interface result{{$index}} = Geth.newInterface(); result{{$index}}.setDefault{{namedtype (bindtype .Type) .Type}}(); results.set({{$index}}, result{{$index}});
|
||||
{{range $index, $item := .Normalized.Outputs}}Interface result{{$index}} = Geth.newInterface(); result{{$index}}.setDefault{{namedtype (bindtype .Type $structs) .Type}}(); results.set({{$index}}, result{{$index}});
|
||||
{{end}}
|
||||
|
||||
if (opts == null) {
|
||||
|
|
@ -552,10 +578,10 @@ public class {{.Type}} {
|
|||
this.Contract.call(opts, results, "{{.Original.Name}}", args);
|
||||
{{if gt (len .Normalized.Outputs) 1}}
|
||||
{{capitalise .Normalized.Name}}Results result = new {{capitalise .Normalized.Name}}Results();
|
||||
{{range $index, $item := .Normalized.Outputs}}result.{{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}} = results.get({{$index}}).get{{namedtype (bindtype .Type) .Type}}();
|
||||
{{range $index, $item := .Normalized.Outputs}}result.{{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}} = results.get({{$index}}).get{{namedtype (bindtype .Type $structs) .Type}}();
|
||||
{{end}}
|
||||
return result;
|
||||
{{else}}{{range .Normalized.Outputs}}return results.get(0).get{{namedtype (bindtype .Type) .Type}}();{{end}}
|
||||
{{else}}{{range .Normalized.Outputs}}return results.get(0).get{{namedtype (bindtype .Type $structs) .Type}}();{{end}}
|
||||
{{end}}
|
||||
}
|
||||
{{end}}
|
||||
|
|
@ -564,9 +590,9 @@ public class {{.Type}} {
|
|||
// {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.Id}}.
|
||||
//
|
||||
// Solidity: {{.Original.String}}
|
||||
public Transaction {{.Normalized.Name}}(TransactOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type}} {{.Name}}{{end}}) throws Exception {
|
||||
public Transaction {{.Normalized.Name}}(TransactOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception {
|
||||
Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}});
|
||||
{{range $index, $item := .Normalized.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
|
||||
{{range $index, $item := .Normalized.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
|
||||
{{end}}
|
||||
return this.Contract.transact(opts, "{{.Original.Name}}" , args);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -23,9 +23,13 @@ import (
|
|||
|
||||
const methoddata = `
|
||||
[
|
||||
{ "type" : "function", "name" : "balance", "constant" : true },
|
||||
{ "type" : "function", "name" : "send", "constant" : false, "inputs" : [ { "name" : "amount", "type" : "uint256" } ] },
|
||||
{ "type" : "function", "name" : "transfer", "constant" : false, "inputs" : [ { "name" : "from", "type" : "address" }, { "name" : "to", "type" : "address" }, { "name" : "value", "type" : "uint256" } ], "outputs" : [ { "name" : "success", "type" : "bool" } ] }
|
||||
{"type": "function", "name": "balance", "constant": true },
|
||||
{"type": "function", "name": "send", "constant": false, "inputs": [{ "name": "amount", "type": "uint256" }]},
|
||||
{"type": "function", "name": "transfer", "constant": false, "inputs": [{"name": "from", "type": "address"}, {"name": "to", "type": "address"}, {"name": "value", "type": "uint256"}], "outputs": [{"name": "success", "type": "bool"}]},
|
||||
{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple"}],"name":"tuple","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},
|
||||
{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple[]"}],"name":"tupleSlice","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},
|
||||
{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple[5]"}],"name":"tupleArray","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},
|
||||
{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple[5][]"}],"name":"complexTuple","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}
|
||||
]`
|
||||
|
||||
func TestMethodString(t *testing.T) {
|
||||
|
|
@ -45,6 +49,22 @@ func TestMethodString(t *testing.T) {
|
|||
method: "transfer",
|
||||
expectation: "function transfer(address from, address to, uint256 value) returns(bool success)",
|
||||
},
|
||||
{
|
||||
method: "tuple",
|
||||
expectation: "function tuple((uint256,uint256) a) returns()",
|
||||
},
|
||||
{
|
||||
method: "tupleArray",
|
||||
expectation: "function tupleArray((uint256,uint256)[5] a) returns()",
|
||||
},
|
||||
{
|
||||
method: "tupleSlice",
|
||||
expectation: "function tupleSlice((uint256,uint256)[] a) returns()",
|
||||
},
|
||||
{
|
||||
method: "complexTuple",
|
||||
expectation: "function complexTuple((uint256,uint256)[5][] a) returns()",
|
||||
},
|
||||
}
|
||||
|
||||
abi, err := JSON(strings.NewReader(methoddata))
|
||||
|
|
@ -59,3 +79,50 @@ func TestMethodString(t *testing.T) {
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestMethodSig(t *testing.T) {
|
||||
var cases = []struct {
|
||||
method string
|
||||
expect string
|
||||
}{
|
||||
{
|
||||
method: "balance",
|
||||
expect: "balance()",
|
||||
},
|
||||
{
|
||||
method: "send",
|
||||
expect: "send(uint256)",
|
||||
},
|
||||
{
|
||||
method: "transfer",
|
||||
expect: "transfer(address,address,uint256)",
|
||||
},
|
||||
{
|
||||
method: "tuple",
|
||||
expect: "tuple((uint256,uint256))",
|
||||
},
|
||||
{
|
||||
method: "tupleArray",
|
||||
expect: "tupleArray((uint256,uint256)[5])",
|
||||
},
|
||||
{
|
||||
method: "tupleSlice",
|
||||
expect: "tupleSlice((uint256,uint256)[])",
|
||||
},
|
||||
{
|
||||
method: "complexTuple",
|
||||
expect: "complexTuple((uint256,uint256)[5][])",
|
||||
},
|
||||
}
|
||||
abi, err := JSON(strings.NewReader(methoddata))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
for _, test := range cases {
|
||||
got := abi.Methods[test.method].Sig()
|
||||
if got != test.expect {
|
||||
t.Errorf("expected string to be %s, got %s", test.expect, got)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -31,6 +31,14 @@ func indirect(v reflect.Value) reflect.Value {
|
|||
return v
|
||||
}
|
||||
|
||||
// indirectInterfaceOrPtr recursively dereferences the value until value is not interface.
|
||||
func indirectInterfaceOrPtr(v reflect.Value) reflect.Value {
|
||||
if (v.Kind() == reflect.Interface || v.Kind() == reflect.Ptr) && v.Elem().IsValid() {
|
||||
return indirect(v.Elem())
|
||||
}
|
||||
return v
|
||||
}
|
||||
|
||||
// reflectIntKind returns the reflect using the given size and
|
||||
// unsignedness.
|
||||
func reflectIntKindAndType(unsigned bool, size int) (reflect.Kind, reflect.Type) {
|
||||
|
|
|
|||
|
|
@ -68,7 +68,6 @@ func NewType(t string, components []ArgumentMarshaling) (typ Type, err error) {
|
|||
if strings.Count(t, "[") != strings.Count(t, "]") {
|
||||
return Type{}, fmt.Errorf("invalid arg type in abi")
|
||||
}
|
||||
|
||||
typ.stringKind = t
|
||||
|
||||
// if there are brackets, get ready to go into slice/array mode and
|
||||
|
|
@ -92,9 +91,7 @@ func NewType(t string, components []ArgumentMarshaling) (typ Type, err error) {
|
|||
typ.Kind = reflect.Slice
|
||||
typ.Elem = &embeddedType
|
||||
typ.Type = reflect.SliceOf(embeddedType.Type)
|
||||
if embeddedType.T == TupleTy {
|
||||
typ.stringKind = embeddedType.stringKind + sliced
|
||||
}
|
||||
} else if len(intz) == 1 {
|
||||
// is a array
|
||||
typ.T = ArrayTy
|
||||
|
|
@ -105,9 +102,7 @@ func NewType(t string, components []ArgumentMarshaling) (typ Type, err error) {
|
|||
return Type{}, fmt.Errorf("abi: error parsing variable size: %v", err)
|
||||
}
|
||||
typ.Type = reflect.ArrayOf(typ.Size, embeddedType.Type)
|
||||
if embeddedType.T == TupleTy {
|
||||
typ.stringKind = embeddedType.stringKind + sliced
|
||||
}
|
||||
} else {
|
||||
return Type{}, fmt.Errorf("invalid formatting of array type")
|
||||
}
|
||||
|
|
|
|||
|
|
@ -965,25 +965,21 @@ func TestUnpackTuple(t *testing.T) {
|
|||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")) // ret[a] = 1
|
||||
buff.Write(common.Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")) // ret[b] = -1
|
||||
|
||||
// If the result is single tuple, use struct as return value container directly.
|
||||
v := struct {
|
||||
Ret struct {
|
||||
A *big.Int
|
||||
B *big.Int
|
||||
}
|
||||
}{Ret: struct {
|
||||
A *big.Int
|
||||
B *big.Int
|
||||
}{new(big.Int), new(big.Int)}}
|
||||
}{new(big.Int), new(big.Int)}
|
||||
|
||||
err = abi.Unpack(&v, "tuple", buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
} else {
|
||||
if v.Ret.A.Cmp(big.NewInt(1)) != 0 {
|
||||
t.Errorf("unexpected value unpacked: want %x, got %x", 1, v.Ret.A)
|
||||
if v.A.Cmp(big.NewInt(1)) != 0 {
|
||||
t.Errorf("unexpected value unpacked: want %x, got %x", 1, v.A)
|
||||
}
|
||||
if v.Ret.B.Cmp(big.NewInt(-1)) != 0 {
|
||||
t.Errorf("unexpected value unpacked: want %x, got %x", v.Ret.B, -1)
|
||||
if v.B.Cmp(big.NewInt(-1)) != 0 {
|
||||
t.Errorf("unexpected value unpacked: want %x, got %x", v.B, -1)
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -69,6 +69,8 @@ func main() {
|
|||
lang = bind.LangGo
|
||||
case "java":
|
||||
lang = bind.LangJava
|
||||
case "objc":
|
||||
lang = bind.LangObjC
|
||||
default:
|
||||
fmt.Printf("Unsupported destination language \"%s\" (--lang)\n", *langFlag)
|
||||
os.Exit(-1)
|
||||
|
|
|
|||
Loading…
Reference in New Issue