74 lines
2.1 KiB
JavaScript
74 lines
2.1 KiB
JavaScript
'use strict';
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import fs from "fs";
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import { dirname, resolve } from "path";
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import { ethers } from "ethers";
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let _solc = null;
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function getSolc() {
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if (!_solc) {
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_solc = require("solc");
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}
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return _solc;
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}
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;
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export function compile(source, options) {
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options = ethers.utils.shallowCopy(options || {});
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if (options.filename && !options.basedir) {
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options.basedir = dirname(options.filename);
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}
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if (!options.filename) {
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options.filename = "_contract.sol";
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}
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if (!options.basedir) {
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options.basedir = ".";
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}
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let sources = {};
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sources[options.filename] = { content: source };
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let input = {
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language: "Solidity",
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sources: sources,
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settings: {
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outputSelection: {
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"*": {
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"*": ["*"]
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}
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}
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}
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};
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if (options.optimize) {
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input.settings.optimizer = {
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enabled: true,
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runs: 200
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};
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}
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let findImport = (filename) => {
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try {
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return {
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contents: fs.readFileSync(resolve(options.basedir, options.filename)).toString()
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};
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}
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catch (error) {
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return { error: error.message };
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}
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};
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let output = JSON.parse(getSolc().compile(JSON.stringify(input), findImport));
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let errors = (output.errors || []).filter((x) => (x.severity === "error" || options.throwWarnings)).map((x) => x.formattedMessage);
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if (errors.length) {
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let error = new Error("compilation error");
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error.errors = errors;
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throw error;
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}
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let result = [];
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for (let filename in output.contracts) {
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for (let name in output.contracts[filename]) {
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let contract = output.contracts[filename][name];
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result.push({
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name: name,
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interface: new ethers.utils.Interface(contract.abi),
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bytecode: "0x" + contract.evm.bytecode.object,
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runtime: "0x" + contract.evm.deployedBytecode.object
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});
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}
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}
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return result;
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}
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