@nomiclabs/buidler
Version:
Buidler is an extensible developer tool that helps smart contract developers increase productivity by reliably bringing together the tools they want.
93 lines • 4.88 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const chalk_1 = __importDefault(require("chalk"));
const debug_1 = __importDefault(require("debug"));
const ethereumjs_util_1 = require("ethereumjs-util");
const server_1 = require("../internal/buidler-evm/jsonrpc/server");
const constants_1 = require("../internal/constants");
const config_env_1 = require("../internal/core/config/config-env");
const errors_1 = require("../internal/core/errors");
const errors_list_1 = require("../internal/core/errors-list");
const construction_1 = require("../internal/core/providers/construction");
const reporter_1 = require("../internal/sentry/reporter");
const lazy_1 = require("../internal/util/lazy");
const task_names_1 = require("./task-names");
const watch_1 = require("./utils/watch");
const log = debug_1.default("buidler:core:tasks:node");
function _createBuidlerEVMProvider(config) {
log("Creating BuidlerEVM Provider");
const networkName = constants_1.BUIDLEREVM_NETWORK_NAME;
const networkConfig = config.networks[networkName];
return lazy_1.lazyObject(() => {
log(`Creating buidlerevm provider for JSON-RPC sever`);
return construction_1.createProvider(networkName, Object.assign({ loggingEnabled: true }, networkConfig), config.solc.version, config.paths);
});
}
function logBuidlerEvmAccounts(networkConfig) {
if (networkConfig.accounts === undefined) {
return;
}
console.log("Accounts");
console.log("========");
for (const [index, account] of networkConfig.accounts.entries()) {
const address = ethereumjs_util_1.bufferToHex(ethereumjs_util_1.privateToAddress(ethereumjs_util_1.toBuffer(account.privateKey)));
const privateKey = ethereumjs_util_1.bufferToHex(ethereumjs_util_1.toBuffer(account.privateKey));
const balance = new ethereumjs_util_1.BN(account.balance)
.div(new ethereumjs_util_1.BN(10).pow(new ethereumjs_util_1.BN(18)))
.toString(10);
console.log(`Account #${index}: ${address} (${balance} ETH)
Private Key: ${privateKey}
`);
}
}
function default_1() {
config_env_1.task(task_names_1.TASK_NODE, "Starts a JSON-RPC server on top of Buidler EVM")
.addOptionalParam("hostname", "The host to which to bind to for new connections", "localhost", config_env_1.types.string)
.addOptionalParam("port", "The port on which to listen for new connections", 8545, config_env_1.types.int)
.setAction(async ({ hostname, port }, { network, buidlerArguments, config }) => {
if (network.name !== constants_1.BUIDLEREVM_NETWORK_NAME &&
// We normally set the default network as buidlerArguments.network,
// so this check isn't enough, and we add the next one. This has the
// effect of `--network <defaultNetwork>` being a false negative, but
// not a big deal.
buidlerArguments.network !== undefined &&
buidlerArguments.network !== config.defaultNetwork) {
throw new errors_1.BuidlerError(errors_list_1.ERRORS.BUILTIN_TASKS.JSONRPC_UNSUPPORTED_NETWORK);
}
try {
const serverConfig = {
hostname,
port,
provider: _createBuidlerEVMProvider(config),
};
const server = new server_1.JsonRpcServer(serverConfig);
const { port: actualPort, address } = await server.listen();
console.log(chalk_1.default.green(`Started HTTP and WebSocket JSON-RPC server at http://${address}:${actualPort}/`));
console.log();
try {
await watch_1.watchCompilerOutput(server.getProvider(), config.solc, config.paths);
}
catch (error) {
console.warn(chalk_1.default.yellow("There was a problem watching the compiler output, changes in the contracts won't be reflected in the Buidler EVM. Run Buidler with --verbose to learn more."));
log("Compilation output can't be watched. Please report this to help us improve Buidler.\n", error);
reporter_1.Reporter.reportError(error);
}
const networkConfig = config.networks[constants_1.BUIDLEREVM_NETWORK_NAME];
logBuidlerEvmAccounts(networkConfig);
await server.waitUntilClosed();
}
catch (error) {
if (errors_1.BuidlerError.isBuidlerError(error)) {
throw error;
}
throw new errors_1.BuidlerError(errors_list_1.ERRORS.BUILTIN_TASKS.JSONRPC_SERVER_ERROR, {
error: error.message,
}, error);
}
});
}
exports.default = default_1;
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