Merge pull request #1786 from ethersphere/solc
common/compiler: new solc API
This commit is contained in:
Felix Lange
commit
071e2cd08e
@ -34,15 +34,10 @@ import (
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"github.com/ethereum/go-ethereum/logger/glog"
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)
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const (
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// flair = "Christian <c@ethdev.com> and Lefteris <lefteris@ethdev.com> (c) 2014-2015"
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flair = ""
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languageVersion = "0"
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)
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var (
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versionRegExp = regexp.MustCompile("[0-9]+.[0-9]+.[0-9]+")
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params = []string{
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versionRegExp = regexp.MustCompile("[0-9]+\\.[0-9]+\\.[0-9]+")
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newAPIRegexp = regexp.MustCompile("0\\.1\\.[2-9][0-9]*")
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paramsLegacy = []string{
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"--binary", // Request to output the contract in binary (hexadecimal).
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"file", //
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"--json-abi", // Request to output the contract's JSON ABI interface.
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@ -54,6 +49,15 @@ var (
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"--add-std",
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"1",
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}
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paramsNew = []string{
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"--bin", // Request to output the contract in binary (hexadecimal).
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"--abi", // Request to output the contract's JSON ABI interface.
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"--userdoc", // Request to output the contract's Natspec user documentation.
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"--devdoc", // Request to output the contract's Natspec developer documentation.
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"--add-std", // include standard lib contracts
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"--optimize=1", // code optimizer switched on
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"-o", // output directory
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}
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)
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type Contract struct {
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@ -66,14 +70,17 @@ type ContractInfo struct {
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Language string `json:"language"`
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LanguageVersion string `json:"languageVersion"`
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CompilerVersion string `json:"compilerVersion"`
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CompilerOptions string `json:"compilerOptions"`
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AbiDefinition interface{} `json:"abiDefinition"`
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UserDoc interface{} `json:"userDoc"`
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DeveloperDoc interface{} `json:"developerDoc"`
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}
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type Solidity struct {
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solcPath string
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version string
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solcPath string
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version string
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fullVersion string
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legacy bool
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}
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func New(solcPath string) (sol *Solidity, err error) {
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@ -94,17 +101,22 @@ func New(solcPath string) (sol *Solidity, err error) {
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return
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}
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version := versionRegExp.FindString(out.String())
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fullVersion := out.String()
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version := versionRegExp.FindString(fullVersion)
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legacy := !newAPIRegexp.MatchString(version)
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sol = &Solidity{
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solcPath: solcPath,
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version: version,
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solcPath: solcPath,
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version: version,
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fullVersion: fullVersion,
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legacy: legacy,
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}
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glog.V(logger.Info).Infoln(sol.Info())
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return
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}
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func (sol *Solidity) Info() string {
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return fmt.Sprintf("solc v%s\nSolidity Compiler: %s\n%s", sol.version, sol.solcPath, flair)
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return fmt.Sprintf("%s\npath: %s", sol.fullVersion, sol.solcPath)
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}
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func (sol *Solidity) Version() string {
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@ -127,6 +139,15 @@ func (sol *Solidity) Compile(source string) (map[string]*Contract, error) {
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// Assemble the compiler command, change to the temp folder and capture any errors
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stderr := new(bytes.Buffer)
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var params []string
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if sol.legacy {
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params = paramsLegacy
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} else {
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params = paramsNew
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params = append(params, wd)
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}
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compilerOptions := strings.Join(params, " ")
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cmd := exec.Command(sol.solcPath, params...)
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cmd.Dir = wd
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cmd.Stdin = strings.NewReader(source)
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@ -136,7 +157,7 @@ func (sol *Solidity) Compile(source string) (map[string]*Contract, error) {
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return nil, fmt.Errorf("solc: %v\n%s", err, string(stderr.Bytes()))
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}
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// Sanity check that something was actually built
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matches, _ := filepath.Glob(wd + "/*.binary")
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matches, _ := filepath.Glob(wd + "/*\\.bin*")
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if len(matches) < 1 {
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return nil, fmt.Errorf("solc: no build results found")
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}
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@ -148,7 +169,11 @@ func (sol *Solidity) Compile(source string) (map[string]*Contract, error) {
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// Parse the individual compilation results (code binary, ABI definitions, user and dev docs)
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var binary []byte
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if binary, err = ioutil.ReadFile(filepath.Join(wd, base+".binary")); err != nil {
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binext := ".bin"
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if sol.legacy {
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binext = ".binary"
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}
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if binary, err = ioutil.ReadFile(filepath.Join(wd, base+binext)); err != nil {
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return nil, fmt.Errorf("solc: error reading compiler output for code: %v", err)
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}
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@ -178,8 +203,9 @@ func (sol *Solidity) Compile(source string) (map[string]*Contract, error) {
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Info: ContractInfo{
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Source: source,
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Language: "Solidity",
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LanguageVersion: languageVersion,
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LanguageVersion: sol.version,
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CompilerVersion: sol.version,
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CompilerOptions: compilerOptions,
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AbiDefinition: abi,
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UserDoc: userdoc,
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DeveloperDoc: devdoc,
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@ -26,7 +26,7 @@ import (
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"github.com/ethereum/go-ethereum/common"
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)
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const solcVersion = "0.9.23"
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const solcVersion = "0.1.1"
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var (
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source = `
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@ -37,16 +37,16 @@ contract test {
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}
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}
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`
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code = "0x605880600c6000396000f3006000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa114602e57005b603d6004803590602001506047565b8060005260206000f35b60006007820290506053565b91905056"
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info = `{"source":"\ncontract test {\n /// @notice Will multiply ` + "`a`" + ` by 7.\n function multiply(uint a) returns(uint d) {\n return a * 7;\n }\n}\n","language":"Solidity","languageVersion":"0","compilerVersion":"0.9.23","abiDefinition":[{"constant":false,"inputs":[{"name":"a","type":"uint256"}],"name":"multiply","outputs":[{"name":"d","type":"uint256"}],"type":"function"}],"userDoc":{"methods":{"multiply(uint256)":{"notice":"Will multiply ` + "`a`" + ` by 7."}}},"developerDoc":{"methods":{}}}`
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code = "0x6060604052606d8060116000396000f30060606040526000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa1146037576035565b005b6046600480359060200150605c565b6040518082815260200191505060405180910390f35b60006007820290506068565b91905056"
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info = `{"source":"\ncontract test {\n /// @notice Will multiply ` + "`a`" + ` by 7.\n function multiply(uint a) returns(uint d) {\n return a * 7;\n }\n}\n","language":"Solidity","languageVersion":"0.1.1","compilerVersion":"0.1.1","compilerOptions":"--binary file --json-abi file --natspec-user file --natspec-dev file --add-std 1","abiDefinition":[{"constant":false,"inputs":[{"name":"a","type":"uint256"}],"name":"multiply","outputs":[{"name":"d","type":"uint256"}],"type":"function"}],"userDoc":{"methods":{"multiply(uint256)":{"notice":"Will multiply ` + "`a`" + ` by 7."}}},"developerDoc":{"methods":{}}}`
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infohash = common.HexToHash("0xea782f674eb898e477c20e8a7cf11c2c28b09fa68b5278732104f7a101aed255")
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infohash = common.HexToHash("0x9f3803735e7f16120c5a140ab3f02121fd3533a9655c69b33a10e78752cc49b0")
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)
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func TestCompiler(t *testing.T) {
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sol, err := New("")
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if err != nil {
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t.Skip("solc not found: skip")
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t.Skip("solc not found: skip: %v", err)
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} else if sol.Version() != solcVersion {
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t.Skip("WARNING: skipping due to a newer version of solc found (%v, expect %v)", sol.Version(), solcVersion)
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}
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@ -111,4 +111,4 @@ func TestSaveInfo(t *testing.T) {
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if cinfohash != infohash {
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t.Errorf("content hash for info is incorrect. expected %v, got %v", infohash.Hex(), cinfohash.Hex())
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}
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}
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}
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