83 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			83 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
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								// Copyright 2016 The go-ethereum Authors
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								// This file is part of the go-ethereum library.
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								//
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								// The go-ethereum library is free software: you can redistribute it and/or modify
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								// it under the terms of the GNU Lesser General Public License as published by
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								// the Free Software Foundation, either version 3 of the License, or
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								// (at your option) any later version.
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								//
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								// The go-ethereum library is distributed in the hope that it will be useful,
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								// but WITHOUT ANY WARRANTY; without even the implied warranty of
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								// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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								// GNU Lesser General Public License for more details.
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								//
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								// You should have received a copy of the GNU Lesser General Public License
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								// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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								package ethapi
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								import (
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									"sync"
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									"github.com/ethereum/go-ethereum/common/compiler"
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									"github.com/ethereum/go-ethereum/rpc"
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								)
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								func makeCompilerAPIs(solcPath string) []rpc.API {
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									c := &compilerAPI{solc: solcPath}
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									return []rpc.API{
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										{
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											Namespace: "eth",
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											Version:   "1.0",
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											Service:   (*PublicCompilerAPI)(c),
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											Public:    true,
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										},
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										{
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											Namespace: "admin",
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											Version:   "1.0",
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											Service:   (*CompilerAdminAPI)(c),
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											Public:    true,
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										},
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									}
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								}
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								type compilerAPI struct {
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									// This lock guards the solc path set through the API.
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									// It also ensures that only one solc process is used at
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									// any time.
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									mu   sync.Mutex
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									solc string
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								}
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								type CompilerAdminAPI compilerAPI
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								// SetSolc sets the Solidity compiler path to be used by the node.
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								func (api *CompilerAdminAPI) SetSolc(path string) (string, error) {
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									api.mu.Lock()
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									defer api.mu.Unlock()
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									info, err := compiler.SolidityVersion(path)
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									if err != nil {
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										return "", err
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									}
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									api.solc = path
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									return info.FullVersion, nil
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								}
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								type PublicCompilerAPI compilerAPI
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								// CompileSolidity compiles the given solidity source.
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								func (api *PublicCompilerAPI) CompileSolidity(source string) (map[string]*compiler.Contract, error) {
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									api.mu.Lock()
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									defer api.mu.Unlock()
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									return compiler.CompileSolidityString(api.solc, source)
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								}
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								func (api *PublicCompilerAPI) GetCompilers() ([]string, error) {
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									api.mu.Lock()
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									defer api.mu.Unlock()
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									if _, err := compiler.SolidityVersion(api.solc); err == nil {
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										return []string{"Solidity"}, nil
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									}
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									return []string{}, nil
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								}
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