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extract function getSolcAsync()

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This commit is contained in:
F. Eugene Aumson
2018-08-13 22:31:04 -07:00
parent 56eb444ea4
commit d89934954d
1 changed files with 25 additions and 18 deletions
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43
packages/sol-compiler/src/compiler.ts
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@@ -53,6 +53,30 @@ const DEFAULT_COMPILER_SETTINGS: solc.CompilerSettings = {
};
const CONFIG_FILE = 'compiler.json';
async function getSolcAsync(
solcVersion: string,
): Promise<{ solcInstance: solc.SolcInstance; fullSolcVersion: string }> {
const fullSolcVersion = binPaths[solcVersion];
const compilerBinFilename = path.join(SOLC_BIN_DIR, fullSolcVersion);
let solcjs: string;
const isCompilerAvailableLocally = fs.existsSync(compilerBinFilename);
if (isCompilerAvailableLocally) {
solcjs = fs.readFileSync(compilerBinFilename).toString();
} else {
logUtils.log(`Downloading ${fullSolcVersion}...`);
const url = `${constants.BASE_COMPILER_URL}${fullSolcVersion}`;
const response = await fetchAsync(url);
const SUCCESS_STATUS = 200;
if (response.status !== SUCCESS_STATUS) {
throw new Error(`Failed to load ${fullSolcVersion}`);
}
solcjs = await response.text();
fs.writeFileSync(compilerBinFilename, solcjs);
}
const solcInstance = solc.setupMethods(requireFromString(solcjs, compilerBinFilename));
return { solcInstance, fullSolcVersion };
}
/**
* The Compiler facilitates compiling Solidity smart contracts and saves the results
* to artifact files.
@@ -139,24 +163,7 @@ export class Compiler {
const availableCompilerVersions = _.keys(binPaths);
solcVersion = semver.maxSatisfying(availableCompilerVersions, solcVersionRange);
}
const fullSolcVersion = binPaths[solcVersion];
const compilerBinFilename = path.join(SOLC_BIN_DIR, fullSolcVersion);
let solcjs: string;
const isCompilerAvailableLocally = fs.existsSync(compilerBinFilename);
if (isCompilerAvailableLocally) {
solcjs = fs.readFileSync(compilerBinFilename).toString();
} else {
logUtils.log(`Downloading ${fullSolcVersion}...`);
const url = `${constants.BASE_COMPILER_URL}${fullSolcVersion}`;
const response = await fetchAsync(url);
const SUCCESS_STATUS = 200;
if (response.status !== SUCCESS_STATUS) {
throw new Error(`Failed to load ${fullSolcVersion}`);
}
solcjs = await response.text();
fs.writeFileSync(compilerBinFilename, solcjs);
}
const solcInstance = solc.setupMethods(requireFromString(solcjs, compilerBinFilename));
const { solcInstance, fullSolcVersion } = await getSolcAsync(solcVersion);
logUtils.log(`Compiling ${contractName} with Solidity v${solcVersion}...`);
const standardInput: solc.StandardInput = {