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