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