107 lines
3.3 KiB
Go
107 lines
3.3 KiB
Go
// Copyright 2015 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 compiler
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import (
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"encoding/json"
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"io/ioutil"
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"os"
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"os/exec"
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"path"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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)
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const (
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testSource = `
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contract test {
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/// @notice Will multiply ` + "`a`" + ` by 7.
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function multiply(uint a) returns(uint d) {
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return a * 7;
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}
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}
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`
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testInfo = `{"source":"\ncontract test {\n /// @notice Will multiply ` + "`a`" + ` by 7.\n function multiply(uint a) returns(uint d) {\n return a * 7;\n }\n}\n","language":"Solidity","languageVersion":"0.1.1","compilerVersion":"0.1.1","compilerOptions":"--binary file --json-abi file --add-std 1","abiDefinition":[{"constant":false,"inputs":[{"name":"a","type":"uint256"}],"name":"multiply","outputs":[{"name":"d","type":"uint256"}],"type":"function"}],"userDoc":{"methods":{"multiply(uint256)":{"notice":"Will multiply ` + "`a`" + ` by 7."}}},"developerDoc":{"methods":{}}}`
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)
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func skipWithoutSolc(t *testing.T) {
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if _, err := exec.LookPath("solc"); err != nil {
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t.Skip(err)
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}
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}
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func TestCompiler(t *testing.T) {
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skipWithoutSolc(t)
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contracts, err := CompileSolidityString("", testSource)
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if err != nil {
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t.Fatalf("error compiling source. result %v: %v", contracts, err)
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}
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if len(contracts) != 1 {
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t.Errorf("one contract expected, got %d", len(contracts))
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}
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c, ok := contracts["test"]
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if !ok {
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t.Fatal("info for contract 'test' not present in result")
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}
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if c.Code == "" {
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t.Error("empty code")
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}
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if c.Info.Source != testSource {
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t.Error("wrong source")
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}
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if c.Info.CompilerVersion == "" {
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t.Error("empty version")
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}
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}
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func TestCompileError(t *testing.T) {
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skipWithoutSolc(t)
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contracts, err := CompileSolidityString("", testSource[4:])
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if err == nil {
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t.Errorf("error expected compiling source. got none. result %v", contracts)
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}
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t.Logf("error: %v", err)
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}
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func TestSaveInfo(t *testing.T) {
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var cinfo ContractInfo
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err := json.Unmarshal([]byte(testInfo), &cinfo)
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if err != nil {
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t.Errorf("%v", err)
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}
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filename := path.Join(os.TempDir(), "solctest.info.json")
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os.Remove(filename)
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cinfohash, err := SaveInfo(&cinfo, filename)
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if err != nil {
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t.Errorf("error extracting info: %v", err)
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}
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got, err := ioutil.ReadFile(filename)
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if err != nil {
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t.Errorf("error reading '%v': %v", filename, err)
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}
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if string(got) != testInfo {
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t.Errorf("incorrect info.json extracted, expected:\n%s\ngot\n%s", testInfo, string(got))
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}
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wantHash := common.HexToHash("0x22450a77f0c3ff7a395948d07bc1456881226a1b6325f4189cb5f1254a824080")
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if cinfohash != wantHash {
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t.Errorf("content hash for info is incorrect. expected %v, got %v", wantHash.Hex(), cinfohash.Hex())
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}
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}
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