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1a9e66915b
Support for legacy version 0.9.x is gone. The compiler version is no longer cached. Compilation results (and the version) are read directly from stdout using the --combined-json flag. As a workaround for ethereum/solidity#651, source code is written to a temporary file before compilation. Integration of solc in package ethapi and cmd/abigen is now much simpler because the compiler wrapper is no longer passed around as a pointer. Fixes #2806, accidentally
83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
// 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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