272 lines
9.0 KiB
JavaScript
272 lines
9.0 KiB
JavaScript
"use strict";
|
|
let _permanentCensorErrors = false;
|
|
let _censorErrors = false;
|
|
const LogLevels = { debug: 1, "default": 2, info: 2, warn: 3, error: 4, off: 5 };
|
|
let LogLevel = LogLevels["default"];
|
|
import { version } from "./_version";
|
|
let _globalLogger = null;
|
|
function _checkNormalize() {
|
|
try {
|
|
const missing = [];
|
|
// Make sure all forms of normalization are supported
|
|
["NFD", "NFC", "NFKD", "NFKC"].forEach((form) => {
|
|
try {
|
|
if ("test".normalize(form) !== "test") {
|
|
throw new Error("bad normalize");
|
|
}
|
|
;
|
|
}
|
|
catch (error) {
|
|
missing.push(form);
|
|
}
|
|
});
|
|
if (missing.length) {
|
|
throw new Error("missing " + missing.join(", "));
|
|
}
|
|
if (String.fromCharCode(0xe9).normalize("NFD") !== String.fromCharCode(0x65, 0x0301)) {
|
|
throw new Error("broken implementation");
|
|
}
|
|
}
|
|
catch (error) {
|
|
return error.message;
|
|
}
|
|
return null;
|
|
}
|
|
const _normalizeError = _checkNormalize();
|
|
export class Logger {
|
|
constructor(version) {
|
|
Object.defineProperty(this, "version", {
|
|
enumerable: true,
|
|
value: version,
|
|
writable: false
|
|
});
|
|
}
|
|
setLogLevel(logLevel) {
|
|
const level = LogLevels[logLevel];
|
|
if (level == null) {
|
|
this.warn("invalid log level - " + logLevel);
|
|
return;
|
|
}
|
|
LogLevel = level;
|
|
}
|
|
_log(logLevel, args) {
|
|
if (LogLevel > LogLevels[logLevel]) {
|
|
return;
|
|
}
|
|
console.log.apply(console, args);
|
|
}
|
|
debug(...args) {
|
|
this._log(Logger.levels.DEBUG, args);
|
|
}
|
|
info(...args) {
|
|
this._log(Logger.levels.INFO, args);
|
|
}
|
|
warn(...args) {
|
|
this._log(Logger.levels.WARNING, args);
|
|
}
|
|
makeError(message, code, params) {
|
|
// Errors are being censored
|
|
if (_censorErrors) {
|
|
return this.makeError("censored error", code, {});
|
|
}
|
|
if (!code) {
|
|
code = Logger.errors.UNKNOWN_ERROR;
|
|
}
|
|
if (!params) {
|
|
params = {};
|
|
}
|
|
const messageDetails = [];
|
|
Object.keys(params).forEach((key) => {
|
|
try {
|
|
messageDetails.push(key + "=" + JSON.stringify(params[key]));
|
|
}
|
|
catch (error) {
|
|
messageDetails.push(key + "=" + JSON.stringify(params[key].toString()));
|
|
}
|
|
});
|
|
messageDetails.push(`code=${code}`);
|
|
messageDetails.push(`version=${this.version}`);
|
|
const reason = message;
|
|
if (messageDetails.length) {
|
|
message += " (" + messageDetails.join(", ") + ")";
|
|
}
|
|
// @TODO: Any??
|
|
const error = new Error(message);
|
|
error.reason = reason;
|
|
error.code = code;
|
|
Object.keys(params).forEach(function (key) {
|
|
error[key] = params[key];
|
|
});
|
|
return error;
|
|
}
|
|
throwError(message, code, params) {
|
|
throw this.makeError(message, code, params);
|
|
}
|
|
throwArgumentError(message, name, value) {
|
|
return this.throwError(message, Logger.errors.INVALID_ARGUMENT, {
|
|
argument: name,
|
|
value: value
|
|
});
|
|
}
|
|
checkNormalize(message) {
|
|
if (message == null) {
|
|
message = "platform missing String.prototype.normalize";
|
|
}
|
|
if (_normalizeError) {
|
|
this.throwError("platform missing String.prototype.normalize", Logger.errors.UNSUPPORTED_OPERATION, {
|
|
operation: "String.prototype.normalize", form: _normalizeError
|
|
});
|
|
}
|
|
}
|
|
checkSafeUint53(value, message) {
|
|
if (typeof (value) !== "number") {
|
|
return;
|
|
}
|
|
if (message == null) {
|
|
message = "value not safe";
|
|
}
|
|
if (value < 0 || value >= 0x1fffffffffffff) {
|
|
this.throwError(message, Logger.errors.NUMERIC_FAULT, {
|
|
operation: "checkSafeInteger",
|
|
fault: "out-of-safe-range",
|
|
value: value
|
|
});
|
|
}
|
|
if (value % 1) {
|
|
this.throwError(message, Logger.errors.NUMERIC_FAULT, {
|
|
operation: "checkSafeInteger",
|
|
fault: "non-integer",
|
|
value: value
|
|
});
|
|
}
|
|
}
|
|
checkArgumentCount(count, expectedCount, message) {
|
|
if (message) {
|
|
message = ": " + message;
|
|
}
|
|
else {
|
|
message = "";
|
|
}
|
|
if (count < expectedCount) {
|
|
this.throwError("missing argument" + message, Logger.errors.MISSING_ARGUMENT, {
|
|
count: count,
|
|
expectedCount: expectedCount
|
|
});
|
|
}
|
|
if (count > expectedCount) {
|
|
this.throwError("too many arguments" + message, Logger.errors.UNEXPECTED_ARGUMENT, {
|
|
count: count,
|
|
expectedCount: expectedCount
|
|
});
|
|
}
|
|
}
|
|
checkNew(target, kind) {
|
|
if (target === Object || target == null) {
|
|
this.throwError("missing new", Logger.errors.MISSING_NEW, { name: kind.name });
|
|
}
|
|
}
|
|
checkAbstract(target, kind) {
|
|
if (target === kind) {
|
|
this.throwError("cannot instantiate abstract class " + JSON.stringify(kind.name) + " directly; use a sub-class", Logger.errors.UNSUPPORTED_OPERATION, { name: target.name, operation: "new" });
|
|
}
|
|
else if (target === Object || target == null) {
|
|
this.throwError("missing new", Logger.errors.MISSING_NEW, { name: kind.name });
|
|
}
|
|
}
|
|
static globalLogger() {
|
|
if (!_globalLogger) {
|
|
_globalLogger = new Logger(version);
|
|
}
|
|
return _globalLogger;
|
|
}
|
|
static setCensorship(censorship, permanent) {
|
|
if (!censorship && permanent) {
|
|
this.globalLogger().throwError("cannot permanently disable censorship", Logger.errors.UNSUPPORTED_OPERATION, {
|
|
operation: "setCensorship"
|
|
});
|
|
}
|
|
if (_permanentCensorErrors) {
|
|
if (!censorship) {
|
|
return;
|
|
}
|
|
this.globalLogger().throwError("error censorship permanent", Logger.errors.UNSUPPORTED_OPERATION, {
|
|
operation: "setCensorship"
|
|
});
|
|
}
|
|
_censorErrors = !!censorship;
|
|
_permanentCensorErrors = !!permanent;
|
|
}
|
|
}
|
|
Logger.errors = {
|
|
///////////////////
|
|
// Generic Errors
|
|
// Unknown Error
|
|
UNKNOWN_ERROR: "UNKNOWN_ERROR",
|
|
// Not Implemented
|
|
NOT_IMPLEMENTED: "NOT_IMPLEMENTED",
|
|
// Unsupported Operation
|
|
// - operation
|
|
UNSUPPORTED_OPERATION: "UNSUPPORTED_OPERATION",
|
|
// Network Error (i.e. Ethereum Network, such as an invalid chain ID)
|
|
NETWORK_ERROR: "NETWORK_ERROR",
|
|
// Some sort of bad response from the server
|
|
SERVER_ERROR: "SERVER_ERROR",
|
|
// Timeout
|
|
TIMEOUT: "TIMEOUT",
|
|
///////////////////
|
|
// Operational Errors
|
|
// Buffer Overrun
|
|
BUFFER_OVERRUN: "BUFFER_OVERRUN",
|
|
// Numeric Fault
|
|
// - operation: the operation being executed
|
|
// - fault: the reason this faulted
|
|
NUMERIC_FAULT: "NUMERIC_FAULT",
|
|
///////////////////
|
|
// Argument Errors
|
|
// Missing new operator to an object
|
|
// - name: The name of the class
|
|
MISSING_NEW: "MISSING_NEW",
|
|
// Invalid argument (e.g. value is incompatible with type) to a function:
|
|
// - argument: The argument name that was invalid
|
|
// - value: The value of the argument
|
|
INVALID_ARGUMENT: "INVALID_ARGUMENT",
|
|
// Missing argument to a function:
|
|
// - count: The number of arguments received
|
|
// - expectedCount: The number of arguments expected
|
|
MISSING_ARGUMENT: "MISSING_ARGUMENT",
|
|
// Too many arguments
|
|
// - count: The number of arguments received
|
|
// - expectedCount: The number of arguments expected
|
|
UNEXPECTED_ARGUMENT: "UNEXPECTED_ARGUMENT",
|
|
///////////////////
|
|
// Blockchain Errors
|
|
// Call exception
|
|
// - transaction: the transaction
|
|
// - address?: the contract address
|
|
// - args?: The arguments passed into the function
|
|
// - method?: The Solidity method signature
|
|
// - errorSignature?: The EIP848 error signature
|
|
// - errorArgs?: The EIP848 error parameters
|
|
// - reason: The reason (only for EIP848 "Error(string)")
|
|
CALL_EXCEPTION: "CALL_EXCEPTION",
|
|
// Insufficien funds (< value + gasLimit * gasPrice)
|
|
// - transaction: the transaction attempted
|
|
INSUFFICIENT_FUNDS: "INSUFFICIENT_FUNDS",
|
|
// Nonce has already been used
|
|
// - transaction: the transaction attempted
|
|
NONCE_EXPIRED: "NONCE_EXPIRED",
|
|
// The replacement fee for the transaction is too low
|
|
// - transaction: the transaction attempted
|
|
REPLACEMENT_UNDERPRICED: "REPLACEMENT_UNDERPRICED",
|
|
// The gas limit could not be estimated
|
|
// - transaction: the transaction passed to estimateGas
|
|
UNPREDICTABLE_GAS_LIMIT: "UNPREDICTABLE_GAS_LIMIT",
|
|
};
|
|
Logger.levels = {
|
|
DEBUG: "DEBUG",
|
|
INFO: "INFO",
|
|
WARNING: "WARNING",
|
|
ERROR: "ERROR",
|
|
OFF: "OFF"
|
|
};
|