github.com/juliankolbe/go-ethereum@v1.9.992/common/compiler/helpers.go (about)

     1  // Copyright 2019 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  // Package compiler wraps the Solidity and Vyper compiler executables (solc; vyper).
    18  package compiler
    19  
    20  import (
    21  	"bytes"
    22  	"io/ioutil"
    23  	"regexp"
    24  )
    25  
    26  var versionRegexp = regexp.MustCompile(`([0-9]+)\.([0-9]+)\.([0-9]+)`)
    27  
    28  // Contract contains information about a compiled contract, alongside its code and runtime code.
    29  type Contract struct {
    30  	Code        string            `json:"code"`
    31  	RuntimeCode string            `json:"runtime-code"`
    32  	Info        ContractInfo      `json:"info"`
    33  	Hashes      map[string]string `json:"hashes"`
    34  }
    35  
    36  // ContractInfo contains information about a compiled contract, including access
    37  // to the ABI definition, source mapping, user and developer docs, and metadata.
    38  //
    39  // Depending on the source, language version, compiler version, and compiler
    40  // options will provide information about how the contract was compiled.
    41  type ContractInfo struct {
    42  	Source          string      `json:"source"`
    43  	Language        string      `json:"language"`
    44  	LanguageVersion string      `json:"languageVersion"`
    45  	CompilerVersion string      `json:"compilerVersion"`
    46  	CompilerOptions string      `json:"compilerOptions"`
    47  	SrcMap          interface{} `json:"srcMap"`
    48  	SrcMapRuntime   string      `json:"srcMapRuntime"`
    49  	AbiDefinition   interface{} `json:"abiDefinition"`
    50  	UserDoc         interface{} `json:"userDoc"`
    51  	DeveloperDoc    interface{} `json:"developerDoc"`
    52  	Metadata        string      `json:"metadata"`
    53  }
    54  
    55  func slurpFiles(files []string) (string, error) {
    56  	var concat bytes.Buffer
    57  	for _, file := range files {
    58  		content, err := ioutil.ReadFile(file)
    59  		if err != nil {
    60  			return "", err
    61  		}
    62  		concat.Write(content)
    63  	}
    64  	return concat.String(), nil
    65  }