From 6bf5555c4f79b8161b4cbedc19da9d29ca6e2305 Mon Sep 17 00:00:00 2001 From: Guillaume Ballet Date: Tue, 2 Jul 2019 09:52:58 +0200 Subject: [PATCH] accounts/abi/bind: Accept function ptr parameter (#19755) * accounts/abi/bind: Accept function ptr parameter They are translated as [24]byte * Add Java template version * accounts/abi/bind: fix merge issue * Fix CI --- accounts/abi/bind/bind.go | 11 +++--- accounts/abi/bind/bind_test.go | 65 ++++++++++++++++++++++++++++++++-- accounts/abi/bind/template.go | 23 +++++++++++- cmd/abigen/main.go | 4 ++- common/compiler/helpers.go | 7 ++-- common/compiler/solidity.go | 4 ++- 6 files changed, 100 insertions(+), 14 deletions(-) diff --git a/accounts/abi/bind/bind.go b/accounts/abi/bind/bind.go index 7d4a53976..4c9715b74 100644 --- a/accounts/abi/bind/bind.go +++ b/accounts/abi/bind/bind.go @@ -44,7 +44,7 @@ const ( // to be used as is in client code, but rather as an intermediate struct which // enforces compile time type safety and naming convention opposed to having to // manually maintain hard coded strings that break on runtime. -func Bind(types []string, abis []string, bytecodes []string, pkg string, lang Lang) (string, error) { +func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]string, pkg string, lang Lang) (string, error) { // Process each individual contract requested binding contracts := make(map[string]*tmplContract) @@ -125,6 +125,9 @@ func Bind(types []string, abis []string, bytecodes []string, pkg string, lang La Transacts: transacts, Events: events, } + if len(fsigs) > i { + contracts[types[i]].FuncSigs = fsigs[i] + } } // Generate the contract template data content and render it data := &tmplData{ @@ -180,8 +183,7 @@ func bindBasicTypeGo(kind abi.Type) string { case abi.BytesTy: return "[]byte" case abi.FunctionTy: - // todo(rjl493456442) - return "" + return "[24]byte" default: // string, bool types return kind.String() @@ -240,8 +242,7 @@ func bindBasicTypeJava(kind abi.Type) string { case abi.StringTy: return "String" case abi.FunctionTy: - // todo(rjl493456442) - return "" + return "byte[24]" default: return kind.String() } diff --git a/accounts/abi/bind/bind_test.go b/accounts/abi/bind/bind_test.go index e32a7d743..35e9ce0e0 100644 --- a/accounts/abi/bind/bind_test.go +++ b/accounts/abi/bind/bind_test.go @@ -36,6 +36,7 @@ var bindTests = []struct { abi string imports string tester string + fsigs []map[string]string }{ // Test that the binding is available in combined and separate forms too { @@ -55,6 +56,7 @@ var bindTests = []struct { t.Fatalf("transactor binding (%v) nil or error (%v) not nil", b, nil) } `, + nil, }, // Test that all the official sample contracts bind correctly { @@ -68,6 +70,7 @@ var bindTests = []struct { t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil) } `, + nil, }, { `Crowdsale`, @@ -80,6 +83,7 @@ var bindTests = []struct { t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil) } `, + nil, }, { `DAO`, @@ -92,6 +96,7 @@ var bindTests = []struct { t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil) } `, + nil, }, // Test that named and anonymous inputs are handled correctly { @@ -125,6 +130,7 @@ var bindTests = []struct { fmt.Println(err) }`, + nil, }, // Test that named and anonymous outputs are handled correctly { @@ -161,6 +167,7 @@ var bindTests = []struct { fmt.Println(str1, str2, res.Str1, res.Str2, err) }`, + nil, }, // Tests that named, anonymous and indexed events are handled correctly { @@ -226,6 +233,7 @@ var bindTests = []struct { if _, ok := reflect.TypeOf(&EventChecker{}).MethodByName("FilterAnonymous"); ok { t.Errorf("binding has disallowed method (FilterAnonymous)") }`, + nil, }, // Test that contract interactions (deploy, transact and call) generate working code { @@ -282,6 +290,7 @@ var bindTests = []struct { t.Fatalf("Transact string mismatch: have '%s', want 'Transact string'", str) } `, + nil, }, // Tests that plain values can be properly returned and deserialized { @@ -322,6 +331,7 @@ var bindTests = []struct { t.Fatalf("Retrieved value mismatch: have %v/%v, want %v/%v", str, num, "Hi", 1) } `, + nil, }, // Tests that tuples can be properly returned and deserialized { @@ -362,6 +372,7 @@ var bindTests = []struct { t.Fatalf("Retrieved value mismatch: have %v/%v, want %v/%v", res.A, res.B, "Hi", 1) } `, + nil, }, // Tests that arrays/slices can be properly returned and deserialized. // Only addresses are tested, remainder just compiled to keep the test small. @@ -414,6 +425,7 @@ var bindTests = []struct { t.Fatalf("Slice return mismatch: have %v, want %v", out, []common.Address{auth.From, common.Address{}}) } `, + nil, }, // Tests that anonymous default methods can be correctly invoked { @@ -459,6 +471,7 @@ var bindTests = []struct { t.Fatalf("Address mismatch: have %v, want %v", caller, auth.From) } `, + nil, }, // Tests that non-existent contracts are reported as such (though only simulator test) { @@ -493,6 +506,7 @@ var bindTests = []struct { t.Fatalf("Error mismatch: have %v, want %v", err, bind.ErrNoCode) } `, + nil, }, // Tests that gas estimation works for contracts with weird gas mechanics too. { @@ -543,6 +557,7 @@ var bindTests = []struct { t.Fatalf("Field mismatch: have %v, want %v", field, "automatic") } `, + nil, }, // Test that constant functions can be called from an (optional) specified address { @@ -591,6 +606,7 @@ var bindTests = []struct { } } `, + nil, }, // Tests that methods and returns with underscores inside work correctly. { @@ -665,6 +681,7 @@ var bindTests = []struct { fmt.Println(a, b, err) `, + nil, }, // Tests that logs can be successfully filtered and decoded. { @@ -881,6 +898,7 @@ var bindTests = []struct { case <-time.After(250 * time.Millisecond): } `, + nil, }, { `DeeplyNestedArray`, @@ -956,6 +974,46 @@ var bindTests = []struct { t.Fatalf("Retrieved value does not match expected value! got: %d, expected: %d. %v", retrievedArr[4][3][2], testArr[4][3][2], err) } `, + nil, + }, + { + `CallbackParam`, + ` + contract FunctionPointerTest { + function test(function(uint256) external callback) external { + callback(1); + } + } + `, + `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`, + `[ + { + "constant": false, + "inputs": [ + { + "name": "callback", + "type": "function" + } + ], + "name": "test", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + } + ]`, ` + "strings" + `, + ` + if strings.Compare("test(function)", CallbackParamFuncSigs["d7a5aba2"]) != 0 { + t.Fatalf("") + } + `, + []map[string]string{ + { + "test(function)": "d7a5aba2", + }, + }, }, } @@ -981,7 +1039,7 @@ func TestGolangBindings(t *testing.T) { // Generate the test suite for all the contracts for i, tt := range bindTests { // Generate the binding and create a Go source file in the workspace - bind, err := Bind([]string{tt.name}, []string{tt.abi}, []string{tt.bytecode}, "bindtest", LangGo) + bind, err := Bind([]string{tt.name}, []string{tt.abi}, []string{tt.bytecode}, tt.fsigs, "bindtest", LangGo) if err != nil { t.Fatalf("test %d: failed to generate binding: %v", i, err) } @@ -1072,12 +1130,13 @@ func TestJavaBindings(t *testing.T) { package bindtest; import org.ethereum.geth.*; +import java.util.*; public class Test { // ABI is the input ABI used to generate the binding from. public final static String ABI = "[{\"constant\":false,\"inputs\":[{\"name\":\"u16\",\"type\":\"uint16\"}],\"name\":\"setUint16\",\"outputs\":[{\"name\":\"\",\"type\":\"uint16\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b_a\",\"type\":\"bool[2]\"}],\"name\":\"setBoolArray\",\"outputs\":[{\"name\":\"\",\"type\":\"bool[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"a_a\",\"type\":\"address[2]\"}],\"name\":\"setAddressArray\",\"outputs\":[{\"name\":\"\",\"type\":\"address[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"bs_l\",\"type\":\"bytes[]\"}],\"name\":\"setBytesList\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u8\",\"type\":\"uint8\"}],\"name\":\"setUint8\",\"outputs\":[{\"name\":\"\",\"type\":\"uint8\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u32\",\"type\":\"uint32\"}],\"name\":\"setUint32\",\"outputs\":[{\"name\":\"\",\"type\":\"uint32\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b\",\"type\":\"bool\"}],\"name\":\"setBool\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i256_l\",\"type\":\"int256[]\"}],\"name\":\"setInt256List\",\"outputs\":[{\"name\":\"\",\"type\":\"int256[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u256_a\",\"type\":\"uint256[2]\"}],\"name\":\"setUint256Array\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b_l\",\"type\":\"bool[]\"}],\"name\":\"setBoolList\",\"outputs\":[{\"name\":\"\",\"type\":\"bool[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"bs_a\",\"type\":\"bytes[2]\"}],\"name\":\"setBytesArray\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"a_l\",\"type\":\"address[]\"}],\"name\":\"setAddressList\",\"outputs\":[{\"name\":\"\",\"type\":\"address[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i256_a\",\"type\":\"int256[2]\"}],\"name\":\"setInt256Array\",\"outputs\":[{\"name\":\"\",\"type\":\"int256[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"s_a\",\"type\":\"string[2]\"}],\"name\":\"setStringArray\",\"outputs\":[{\"name\":\"\",\"type\":\"string[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"s\",\"type\":\"string\"}],\"name\":\"setString\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u64\",\"type\":\"uint64\"}],\"name\":\"setUint64\",\"outputs\":[{\"name\":\"\",\"type\":\"uint64\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i16\",\"type\":\"int16\"}],\"name\":\"setInt16\",\"outputs\":[{\"name\":\"\",\"type\":\"int16\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i8\",\"type\":\"int8\"}],\"name\":\"setInt8\",\"outputs\":[{\"name\":\"\",\"type\":\"int8\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u256_l\",\"type\":\"uint256[]\"}],\"name\":\"setUint256List\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i256\",\"type\":\"int256\"}],\"name\":\"setInt256\",\"outputs\":[{\"name\":\"\",\"type\":\"int256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i32\",\"type\":\"int32\"}],\"name\":\"setInt32\",\"outputs\":[{\"name\":\"\",\"type\":\"int32\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b32\",\"type\":\"bytes32\"}],\"name\":\"setBytes32\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes32\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"s_l\",\"type\":\"string[]\"}],\"name\":\"setStringList\",\"outputs\":[{\"name\":\"\",\"type\":\"string[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u256\",\"type\":\"uint256\"}],\"name\":\"setUint256\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"bs\",\"type\":\"bytes\"}],\"name\":\"setBytes\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"a\",\"type\":\"address\"}],\"name\":\"setAddress\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i64\",\"type\":\"int64\"}],\"name\":\"setInt64\",\"outputs\":[{\"name\":\"\",\"type\":\"int64\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b1\",\"type\":\"bytes1\"}],\"name\":\"setBytes1\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes1\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]"; - + // BYTECODE is the compiled bytecode used for deploying new contracts. public final static String BYTECODE = "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@@ -1400,7 +1459,7 @@ public class Test { }, } for i, c := range cases { - binding, err := Bind([]string{c.name}, []string{c.abi}, []string{c.bytecode}, "bindtest", LangJava) + binding, err := Bind([]string{c.name}, []string{c.abi}, []string{c.bytecode}, nil, "bindtest", LangJava) if err != nil { t.Fatalf("test %d: failed to generate binding: %v", i, err) } diff --git a/accounts/abi/bind/template.go b/accounts/abi/bind/template.go index f5a0ca6ef..127bd6d39 100644 --- a/accounts/abi/bind/template.go +++ b/accounts/abi/bind/template.go @@ -29,6 +29,7 @@ type tmplContract struct { Type string // Type name of the main contract binding InputABI string // JSON ABI used as the input to generate the binding from InputBin string // Optional EVM bytecode used to denetare deploy code from + FuncSigs map[string]string // Optional map: string signature -> 4-byte signature Constructor abi.Method // Contract constructor for deploy parametrization Calls map[string]*tmplMethod // Contract calls that only read state data Transacts map[string]*tmplMethod // Contract calls that write state data @@ -92,6 +93,15 @@ var ( // {{.Type}}ABI is the input ABI used to generate the binding from. const {{.Type}}ABI = "{{.InputABI}}" + {{if $contract.FuncSigs}} + // {{.Type}}FuncSigs maps the 4-byte function signature to its string representation. + var {{.Type}}FuncSigs = map[string]string{ + {{range $strsig, $binsig := .FuncSigs}} + "{{$binsig}}": "{{$strsig}}", + {{end}} + } + {{end}} + {{if .InputBin}} // {{.Type}}Bin is the compiled bytecode used for deploying new contracts. const {{.Type}}Bin = ` + "`" + `{{.InputBin}}` + "`" + ` @@ -464,12 +474,23 @@ const tmplSourceJava = ` package {{.Package}}; import org.ethereum.geth.*; +import java.util.*; {{range $contract := .Contracts}} public class {{.Type}} { // ABI is the input ABI used to generate the binding from. public final static String ABI = "{{.InputABI}}"; - + {{if $contract.FuncSigs}} + // {{.Type}}FuncSigs maps the 4-byte function signature to its string representation. + public final static Map {{.Type}}FuncSigs; + static { + Hashtable temp = new Hashtable(); + {{range $strsig, $binsig := .FuncSigs}} + temp.put("{{$binsig}}", "{{$strsig}}"); + {{end}} + {{.Type}}FuncSigs = Collections.unmodifiableMap(temp); + } + {{end}} {{if .InputBin}} // BYTECODE is the compiled bytecode used for deploying new contracts. public final static String BYTECODE = "0x{{.InputBin}}"; diff --git a/cmd/abigen/main.go b/cmd/abigen/main.go index 3bc78ebfe..7ef2e6989 100644 --- a/cmd/abigen/main.go +++ b/cmd/abigen/main.go @@ -78,6 +78,7 @@ func main() { abis []string bins []string types []string + sigs []map[string]string ) if *solFlag != "" || *vyFlag != "" || *abiFlag == "-" { // Generate the list of types to exclude from binding @@ -121,6 +122,7 @@ func main() { } abis = append(abis, string(abi)) bins = append(bins, contract.Code) + sigs = append(sigs, contract.Hashes) nameParts := strings.Split(name, ":") types = append(types, nameParts[len(nameParts)-1]) @@ -151,7 +153,7 @@ func main() { types = append(types, kind) } // Generate the contract binding - code, err := bind.Bind(types, abis, bins, *pkgFlag, lang) + code, err := bind.Bind(types, abis, bins, sigs, *pkgFlag, lang) if err != nil { fmt.Printf("Failed to generate ABI binding: %v\n", err) os.Exit(-1) diff --git a/common/compiler/helpers.go b/common/compiler/helpers.go index 4de706f6b..5ed640de8 100644 --- a/common/compiler/helpers.go +++ b/common/compiler/helpers.go @@ -27,9 +27,10 @@ var versionRegexp = regexp.MustCompile(`([0-9]+)\.([0-9]+)\.([0-9]+)`) // Contract contains information about a compiled contract, alongside its code and runtime code. type Contract struct { - Code string `json:"code"` - RuntimeCode string `json:"runtime-code"` - Info ContractInfo `json:"info"` + Code string `json:"code"` + RuntimeCode string `json:"runtime-code"` + Info ContractInfo `json:"info"` + Hashes map[string]string `json:"hashes"` } // ContractInfo contains information about a compiled contract, including access diff --git a/common/compiler/solidity.go b/common/compiler/solidity.go index 7ed9c2633..56e01ee33 100644 --- a/common/compiler/solidity.go +++ b/common/compiler/solidity.go @@ -39,6 +39,7 @@ type solcOutput struct { BinRuntime string `json:"bin-runtime"` SrcMapRuntime string `json:"srcmap-runtime"` Bin, SrcMap, Abi, Devdoc, Userdoc, Metadata string + Hashes map[string]string } Version string } @@ -49,7 +50,7 @@ func (s *Solidity) makeArgs() []string { "--optimize", // code optimizer switched on } if s.Major > 0 || s.Minor > 4 || s.Patch > 6 { - p[1] += ",metadata" + p[1] += ",metadata,hashes" } return p } @@ -161,6 +162,7 @@ func ParseCombinedJSON(combinedJSON []byte, source string, languageVersion strin contracts[name] = &Contract{ Code: "0x" + info.Bin, RuntimeCode: "0x" + info.BinRuntime, + Hashes: info.Hashes, Info: ContractInfo{ Source: source, Language: "Solidity",