github.com/aigarnetwork/aigar@v0.0.0-20191115204914-d59a6eb70f8e/common/compiler/helpers.go (about)

     1  //  Copyright 2018 The go-ethereum Authors
     2  //  Copyright 2019 The go-aigar Authors
     3  //  This file is part of the go-aigar library.
     4  //
     5  //  The go-aigar library is free software: you can redistribute it and/or modify
     6  //  it under the terms of the GNU Lesser General Public License as published by
     7  //  the Free Software Foundation, either version 3 of the License, or
     8  //  (at your option) any later version.
     9  //
    10  //  The go-aigar library is distributed in the hope that it will be useful,
    11  //  but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    13  //  GNU Lesser General Public License for more details.
    14  //
    15  //  You should have received a copy of the GNU Lesser General Public License
    16  //  along with the go-aigar library. If not, see <http://www.gnu.org/licenses/>.
    17  
    18  // Package compiler wraps the Solidity and Vyper compiler executables (solc; vyper).
    19  package compiler
    20  
    21  import (
    22  	"bytes"
    23  	"io/ioutil"
    24  	"regexp"
    25  )
    26  
    27  var versionRegexp = regexp.MustCompile(`([0-9]+)\.([0-9]+)\.([0-9]+)`)
    28  
    29  // Contract contains information about a compiled contract, alongside its code and runtime code.
    30  type Contract struct {
    31  	Code        string            `json:"code"`
    32  	RuntimeCode string            `json:"runtime-code"`
    33  	Info        ContractInfo      `json:"info"`
    34  	Hashes      map[string]string `json:"hashes"`
    35  }
    36  
    37  // ContractInfo contains information about a compiled contract, including access
    38  // to the ABI definition, source mapping, user and developer docs, and metadata.
    39  //
    40  // Depending on the source, language version, compiler version, and compiler
    41  // options will provide information about how the contract was compiled.
    42  type ContractInfo struct {
    43  	Source          string      `json:"source"`
    44  	Language        string      `json:"language"`
    45  	LanguageVersion string      `json:"languageVersion"`
    46  	CompilerVersion string      `json:"compilerVersion"`
    47  	CompilerOptions string      `json:"compilerOptions"`
    48  	SrcMap          interface{} `json:"srcMap"`
    49  	SrcMapRuntime   string      `json:"srcMapRuntime"`
    50  	AbiDefinition   interface{} `json:"abiDefinition"`
    51  	UserDoc         interface{} `json:"userDoc"`
    52  	DeveloperDoc    interface{} `json:"developerDoc"`
    53  	Metadata        string      `json:"metadata"`
    54  }
    55  
    56  func slurpFiles(files []string) (string, error) {
    57  	var concat bytes.Buffer
    58  	for _, file := range files {
    59  		content, err := ioutil.ReadFile(file)
    60  		if err != nil {
    61  			return "", err
    62  		}
    63  		concat.Write(content)
    64  	}
    65  	return concat.String(), nil
    66  }