saepenatus
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Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul
900 lines • 34.7 kB
JavaScript
"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.ErrorFragment = exports.FunctionFragment = exports.ConstructorFragment = exports.EventFragment = exports.Fragment = exports.ParamType = exports.FormatTypes = void 0;
var bignumber_1 = require("@ethersproject/bignumber");
var properties_1 = require("@ethersproject/properties");
var logger_1 = require("@ethersproject/logger");
var _version_1 = require("./_version");
var logger = new logger_1.Logger(_version_1.version);
;
var _constructorGuard = {};
var ModifiersBytes = { calldata: true, memory: true, storage: true };
var ModifiersNest = { calldata: true, memory: true };
function checkModifier(type, name) {
if (type === "bytes" || type === "string") {
if (ModifiersBytes[name]) {
return true;
}
}
else if (type === "address") {
if (name === "payable") {
return true;
}
}
else if (type.indexOf("[") >= 0 || type === "tuple") {
if (ModifiersNest[name]) {
return true;
}
}
if (ModifiersBytes[name] || name === "payable") {
logger.throwArgumentError("invalid modifier", "name", name);
}
return false;
}
// @TODO: Make sure that children of an indexed tuple are marked with a null indexed
function parseParamType(param, allowIndexed) {
var originalParam = param;
function throwError(i) {
logger.throwArgumentError("unexpected character at position " + i, "param", param);
}
param = param.replace(/\s/g, " ");
function newNode(parent) {
var node = { type: "", name: "", parent: parent, state: { allowType: true } };
if (allowIndexed) {
node.indexed = false;
}
return node;
}
var parent = { type: "", name: "", state: { allowType: true } };
var node = parent;
for (var i = 0; i < param.length; i++) {
var c = param[i];
switch (c) {
case "(":
if (node.state.allowType && node.type === "") {
node.type = "tuple";
}
else if (!node.state.allowParams) {
throwError(i);
}
node.state.allowType = false;
node.type = verifyType(node.type);
node.components = [newNode(node)];
node = node.components[0];
break;
case ")":
delete node.state;
if (node.name === "indexed") {
if (!allowIndexed) {
throwError(i);
}
node.indexed = true;
node.name = "";
}
if (checkModifier(node.type, node.name)) {
node.name = "";
}
node.type = verifyType(node.type);
var child = node;
node = node.parent;
if (!node) {
throwError(i);
}
delete child.parent;
node.state.allowParams = false;
node.state.allowName = true;
node.state.allowArray = true;
break;
case ",":
delete node.state;
if (node.name === "indexed") {
if (!allowIndexed) {
throwError(i);
}
node.indexed = true;
node.name = "";
}
if (checkModifier(node.type, node.name)) {
node.name = "";
}
node.type = verifyType(node.type);
var sibling = newNode(node.parent);
//{ type: "", name: "", parent: node.parent, state: { allowType: true } };
node.parent.components.push(sibling);
delete node.parent;
node = sibling;
break;
// Hit a space...
case " ":
// If reading type, the type is done and may read a param or name
if (node.state.allowType) {
if (node.type !== "") {
node.type = verifyType(node.type);
delete node.state.allowType;
node.state.allowName = true;
node.state.allowParams = true;
}
}
// If reading name, the name is done
if (node.state.allowName) {
if (node.name !== "") {
if (node.name === "indexed") {
if (!allowIndexed) {
throwError(i);
}
if (node.indexed) {
throwError(i);
}
node.indexed = true;
node.name = "";
}
else if (checkModifier(node.type, node.name)) {
node.name = "";
}
else {
node.state.allowName = false;
}
}
}
break;
case "[":
if (!node.state.allowArray) {
throwError(i);
}
node.type += c;
node.state.allowArray = false;
node.state.allowName = false;
node.state.readArray = true;
break;
case "]":
if (!node.state.readArray) {
throwError(i);
}
node.type += c;
node.state.readArray = false;
node.state.allowArray = true;
node.state.allowName = true;
break;
default:
if (node.state.allowType) {
node.type += c;
node.state.allowParams = true;
node.state.allowArray = true;
}
else if (node.state.allowName) {
node.name += c;
delete node.state.allowArray;
}
else if (node.state.readArray) {
node.type += c;
}
else {
throwError(i);
}
}
}
if (node.parent) {
logger.throwArgumentError("unexpected eof", "param", param);
}
delete parent.state;
if (node.name === "indexed") {
if (!allowIndexed) {
throwError(originalParam.length - 7);
}
if (node.indexed) {
throwError(originalParam.length - 7);
}
node.indexed = true;
node.name = "";
}
else if (checkModifier(node.type, node.name)) {
node.name = "";
}
parent.type = verifyType(parent.type);
return parent;
}
function populate(object, params) {
for (var key in params) {
(0, properties_1.defineReadOnly)(object, key, params[key]);
}
}
exports.FormatTypes = Object.freeze({
// Bare formatting, as is needed for computing a sighash of an event or function
sighash: "sighash",
// Human-Readable with Minimal spacing and without names (compact human-readable)
minimal: "minimal",
// Human-Readable with nice spacing, including all names
full: "full",
// JSON-format a la Solidity
json: "json"
});
var paramTypeArray = new RegExp(/^(.*)\[([0-9]*)\]$/);
var ParamType = /** @class */ (function () {
function ParamType(constructorGuard, params) {
if (constructorGuard !== _constructorGuard) {
logger.throwError("use fromString", logger_1.Logger.errors.UNSUPPORTED_OPERATION, {
operation: "new ParamType()"
});
}
populate(this, params);
var match = this.type.match(paramTypeArray);
if (match) {
populate(this, {
arrayLength: parseInt(match[2] || "-1"),
arrayChildren: ParamType.fromObject({
type: match[1],
components: this.components
}),
baseType: "array"
});
}
else {
populate(this, {
arrayLength: null,
arrayChildren: null,
baseType: ((this.components != null) ? "tuple" : this.type)
});
}
this._isParamType = true;
Object.freeze(this);
}
// Format the parameter fragment
// - sighash: "(uint256,address)"
// - minimal: "tuple(uint256,address) indexed"
// - full: "tuple(uint256 foo, address bar) indexed baz"
ParamType.prototype.format = function (format) {
if (!format) {
format = exports.FormatTypes.sighash;
}
if (!exports.FormatTypes[format]) {
logger.throwArgumentError("invalid format type", "format", format);
}
if (format === exports.FormatTypes.json) {
var result_1 = {
type: ((this.baseType === "tuple") ? "tuple" : this.type),
name: (this.name || undefined)
};
if (typeof (this.indexed) === "boolean") {
result_1.indexed = this.indexed;
}
if (this.components) {
result_1.components = this.components.map(function (comp) { return JSON.parse(comp.format(format)); });
}
return JSON.stringify(result_1);
}
var result = "";
// Array
if (this.baseType === "array") {
result += this.arrayChildren.format(format);
result += "[" + (this.arrayLength < 0 ? "" : String(this.arrayLength)) + "]";
}
else {
if (this.baseType === "tuple") {
if (format !== exports.FormatTypes.sighash) {
result += this.type;
}
result += "(" + this.components.map(function (comp) { return comp.format(format); }).join((format === exports.FormatTypes.full) ? ", " : ",") + ")";
}
else {
result += this.type;
}
}
if (format !== exports.FormatTypes.sighash) {
if (this.indexed === true) {
result += " indexed";
}
if (format === exports.FormatTypes.full && this.name) {
result += " " + this.name;
}
}
return result;
};
ParamType.from = function (value, allowIndexed) {
if (typeof (value) === "string") {
return ParamType.fromString(value, allowIndexed);
}
return ParamType.fromObject(value);
};
ParamType.fromObject = function (value) {
if (ParamType.isParamType(value)) {
return value;
}
return new ParamType(_constructorGuard, {
name: (value.name || null),
type: verifyType(value.type),
indexed: ((value.indexed == null) ? null : !!value.indexed),
components: (value.components ? value.components.map(ParamType.fromObject) : null)
});
};
ParamType.fromString = function (value, allowIndexed) {
function ParamTypify(node) {
return ParamType.fromObject({
name: node.name,
type: node.type,
indexed: node.indexed,
components: node.components
});
}
return ParamTypify(parseParamType(value, !!allowIndexed));
};
ParamType.isParamType = function (value) {
return !!(value != null && value._isParamType);
};
return ParamType;
}());
exports.ParamType = ParamType;
;
function parseParams(value, allowIndex) {
return splitNesting(value).map(function (param) { return ParamType.fromString(param, allowIndex); });
}
var Fragment = /** @class */ (function () {
function Fragment(constructorGuard, params) {
if (constructorGuard !== _constructorGuard) {
logger.throwError("use a static from method", logger_1.Logger.errors.UNSUPPORTED_OPERATION, {
operation: "new Fragment()"
});
}
populate(this, params);
this._isFragment = true;
Object.freeze(this);
}
Fragment.from = function (value) {
if (Fragment.isFragment(value)) {
return value;
}
if (typeof (value) === "string") {
return Fragment.fromString(value);
}
return Fragment.fromObject(value);
};
Fragment.fromObject = function (value) {
if (Fragment.isFragment(value)) {
return value;
}
switch (value.type) {
case "function":
return FunctionFragment.fromObject(value);
case "event":
return EventFragment.fromObject(value);
case "constructor":
return ConstructorFragment.fromObject(value);
case "error":
return ErrorFragment.fromObject(value);
case "fallback":
case "receive":
// @TODO: Something? Maybe return a FunctionFragment? A custom DefaultFunctionFragment?
return null;
}
return logger.throwArgumentError("invalid fragment object", "value", value);
};
Fragment.fromString = function (value) {
// Make sure the "returns" is surrounded by a space and all whitespace is exactly one space
value = value.replace(/\s/g, " ");
value = value.replace(/\(/g, " (").replace(/\)/g, ") ").replace(/\s+/g, " ");
value = value.trim();
if (value.split(" ")[0] === "event") {
return EventFragment.fromString(value.substring(5).trim());
}
else if (value.split(" ")[0] === "function") {
return FunctionFragment.fromString(value.substring(8).trim());
}
else if (value.split("(")[0].trim() === "constructor") {
return ConstructorFragment.fromString(value.trim());
}
else if (value.split(" ")[0] === "error") {
return ErrorFragment.fromString(value.substring(5).trim());
}
return logger.throwArgumentError("unsupported fragment", "value", value);
};
Fragment.isFragment = function (value) {
return !!(value && value._isFragment);
};
return Fragment;
}());
exports.Fragment = Fragment;
var EventFragment = /** @class */ (function (_super) {
__extends(EventFragment, _super);
function EventFragment() {
return _super !== null && _super.apply(this, arguments) || this;
}
EventFragment.prototype.format = function (format) {
if (!format) {
format = exports.FormatTypes.sighash;
}
if (!exports.FormatTypes[format]) {
logger.throwArgumentError("invalid format type", "format", format);
}
if (format === exports.FormatTypes.json) {
return JSON.stringify({
type: "event",
anonymous: this.anonymous,
name: this.name,
inputs: this.inputs.map(function (input) { return JSON.parse(input.format(format)); })
});
}
var result = "";
if (format !== exports.FormatTypes.sighash) {
result += "event ";
}
result += this.name + "(" + this.inputs.map(function (input) { return input.format(format); }).join((format === exports.FormatTypes.full) ? ", " : ",") + ") ";
if (format !== exports.FormatTypes.sighash) {
if (this.anonymous) {
result += "anonymous ";
}
}
return result.trim();
};
EventFragment.from = function (value) {
if (typeof (value) === "string") {
return EventFragment.fromString(value);
}
return EventFragment.fromObject(value);
};
EventFragment.fromObject = function (value) {
if (EventFragment.isEventFragment(value)) {
return value;
}
if (value.type !== "event") {
logger.throwArgumentError("invalid event object", "value", value);
}
var params = {
name: verifyIdentifier(value.name),
anonymous: value.anonymous,
inputs: (value.inputs ? value.inputs.map(ParamType.fromObject) : []),
type: "event"
};
return new EventFragment(_constructorGuard, params);
};
EventFragment.fromString = function (value) {
var match = value.match(regexParen);
if (!match) {
logger.throwArgumentError("invalid event string", "value", value);
}
var anonymous = false;
match[3].split(" ").forEach(function (modifier) {
switch (modifier.trim()) {
case "anonymous":
anonymous = true;
break;
case "":
break;
default:
logger.warn("unknown modifier: " + modifier);
}
});
return EventFragment.fromObject({
name: match[1].trim(),
anonymous: anonymous,
inputs: parseParams(match[2], true),
type: "event"
});
};
EventFragment.isEventFragment = function (value) {
return (value && value._isFragment && value.type === "event");
};
return EventFragment;
}(Fragment));
exports.EventFragment = EventFragment;
function parseGas(value, params) {
params.gas = null;
var comps = value.split("@");
if (comps.length !== 1) {
if (comps.length > 2) {
logger.throwArgumentError("invalid human-readable ABI signature", "value", value);
}
if (!comps[1].match(/^[0-9]+$/)) {
logger.throwArgumentError("invalid human-readable ABI signature gas", "value", value);
}
params.gas = bignumber_1.BigNumber.from(comps[1]);
return comps[0];
}
return value;
}
function parseModifiers(value, params) {
params.constant = false;
params.payable = false;
params.stateMutability = "nonpayable";
value.split(" ").forEach(function (modifier) {
switch (modifier.trim()) {
case "constant":
params.constant = true;
break;
case "payable":
params.payable = true;
params.stateMutability = "payable";
break;
case "nonpayable":
params.payable = false;
params.stateMutability = "nonpayable";
break;
case "pure":
params.constant = true;
params.stateMutability = "pure";
break;
case "view":
params.constant = true;
params.stateMutability = "view";
break;
case "external":
case "public":
case "":
break;
default:
console.log("unknown modifier: " + modifier);
}
});
}
function verifyState(value) {
var result = {
constant: false,
payable: true,
stateMutability: "payable"
};
if (value.stateMutability != null) {
result.stateMutability = value.stateMutability;
// Set (and check things are consistent) the constant property
result.constant = (result.stateMutability === "view" || result.stateMutability === "pure");
if (value.constant != null) {
if ((!!value.constant) !== result.constant) {
logger.throwArgumentError("cannot have constant function with mutability " + result.stateMutability, "value", value);
}
}
// Set (and check things are consistent) the payable property
result.payable = (result.stateMutability === "payable");
if (value.payable != null) {
if ((!!value.payable) !== result.payable) {
logger.throwArgumentError("cannot have payable function with mutability " + result.stateMutability, "value", value);
}
}
}
else if (value.payable != null) {
result.payable = !!value.payable;
// If payable we can assume non-constant; otherwise we can't assume
if (value.constant == null && !result.payable && value.type !== "constructor") {
logger.throwArgumentError("unable to determine stateMutability", "value", value);
}
result.constant = !!value.constant;
if (result.constant) {
result.stateMutability = "view";
}
else {
result.stateMutability = (result.payable ? "payable" : "nonpayable");
}
if (result.payable && result.constant) {
logger.throwArgumentError("cannot have constant payable function", "value", value);
}
}
else if (value.constant != null) {
result.constant = !!value.constant;
result.payable = !result.constant;
result.stateMutability = (result.constant ? "view" : "payable");
}
else if (value.type !== "constructor") {
logger.throwArgumentError("unable to determine stateMutability", "value", value);
}
return result;
}
var ConstructorFragment = /** @class */ (function (_super) {
__extends(ConstructorFragment, _super);
function ConstructorFragment() {
return _super !== null && _super.apply(this, arguments) || this;
}
ConstructorFragment.prototype.format = function (format) {
if (!format) {
format = exports.FormatTypes.sighash;
}
if (!exports.FormatTypes[format]) {
logger.throwArgumentError("invalid format type", "format", format);
}
if (format === exports.FormatTypes.json) {
return JSON.stringify({
type: "constructor",
stateMutability: ((this.stateMutability !== "nonpayable") ? this.stateMutability : undefined),
payable: this.payable,
gas: (this.gas ? this.gas.toNumber() : undefined),
inputs: this.inputs.map(function (input) { return JSON.parse(input.format(format)); })
});
}
if (format === exports.FormatTypes.sighash) {
logger.throwError("cannot format a constructor for sighash", logger_1.Logger.errors.UNSUPPORTED_OPERATION, {
operation: "format(sighash)"
});
}
var result = "constructor(" + this.inputs.map(function (input) { return input.format(format); }).join((format === exports.FormatTypes.full) ? ", " : ",") + ") ";
if (this.stateMutability && this.stateMutability !== "nonpayable") {
result += this.stateMutability + " ";
}
return result.trim();
};
ConstructorFragment.from = function (value) {
if (typeof (value) === "string") {
return ConstructorFragment.fromString(value);
}
return ConstructorFragment.fromObject(value);
};
ConstructorFragment.fromObject = function (value) {
if (ConstructorFragment.isConstructorFragment(value)) {
return value;
}
if (value.type !== "constructor") {
logger.throwArgumentError("invalid constructor object", "value", value);
}
var state = verifyState(value);
if (state.constant) {
logger.throwArgumentError("constructor cannot be constant", "value", value);
}
var params = {
name: null,
type: value.type,
inputs: (value.inputs ? value.inputs.map(ParamType.fromObject) : []),
payable: state.payable,
stateMutability: state.stateMutability,
gas: (value.gas ? bignumber_1.BigNumber.from(value.gas) : null)
};
return new ConstructorFragment(_constructorGuard, params);
};
ConstructorFragment.fromString = function (value) {
var params = { type: "constructor" };
value = parseGas(value, params);
var parens = value.match(regexParen);
if (!parens || parens[1].trim() !== "constructor") {
logger.throwArgumentError("invalid constructor string", "value", value);
}
params.inputs = parseParams(parens[2].trim(), false);
parseModifiers(parens[3].trim(), params);
return ConstructorFragment.fromObject(params);
};
ConstructorFragment.isConstructorFragment = function (value) {
return (value && value._isFragment && value.type === "constructor");
};
return ConstructorFragment;
}(Fragment));
exports.ConstructorFragment = ConstructorFragment;
var FunctionFragment = /** @class */ (function (_super) {
__extends(FunctionFragment, _super);
function FunctionFragment() {
return _super !== null && _super.apply(this, arguments) || this;
}
FunctionFragment.prototype.format = function (format) {
if (!format) {
format = exports.FormatTypes.sighash;
}
if (!exports.FormatTypes[format]) {
logger.throwArgumentError("invalid format type", "format", format);
}
if (format === exports.FormatTypes.json) {
return JSON.stringify({
type: "function",
name: this.name,
constant: this.constant,
stateMutability: ((this.stateMutability !== "nonpayable") ? this.stateMutability : undefined),
payable: this.payable,
gas: (this.gas ? this.gas.toNumber() : undefined),
inputs: this.inputs.map(function (input) { return JSON.parse(input.format(format)); }),
outputs: this.outputs.map(function (output) { return JSON.parse(output.format(format)); }),
});
}
var result = "";
if (format !== exports.FormatTypes.sighash) {
result += "function ";
}
result += this.name + "(" + this.inputs.map(function (input) { return input.format(format); }).join((format === exports.FormatTypes.full) ? ", " : ",") + ") ";
if (format !== exports.FormatTypes.sighash) {
if (this.stateMutability) {
if (this.stateMutability !== "nonpayable") {
result += (this.stateMutability + " ");
}
}
else if (this.constant) {
result += "view ";
}
if (this.outputs && this.outputs.length) {
result += "returns (" + this.outputs.map(function (output) { return output.format(format); }).join(", ") + ") ";
}
if (this.gas != null) {
result += "@" + this.gas.toString() + " ";
}
}
return result.trim();
};
FunctionFragment.from = function (value) {
if (typeof (value) === "string") {
return FunctionFragment.fromString(value);
}
return FunctionFragment.fromObject(value);
};
FunctionFragment.fromObject = function (value) {
if (FunctionFragment.isFunctionFragment(value)) {
return value;
}
if (value.type !== "function") {
logger.throwArgumentError("invalid function object", "value", value);
}
var state = verifyState(value);
var params = {
type: value.type,
name: verifyIdentifier(value.name),
constant: state.constant,
inputs: (value.inputs ? value.inputs.map(ParamType.fromObject) : []),
outputs: (value.outputs ? value.outputs.map(ParamType.fromObject) : []),
payable: state.payable,
stateMutability: state.stateMutability,
gas: (value.gas ? bignumber_1.BigNumber.from(value.gas) : null)
};
return new FunctionFragment(_constructorGuard, params);
};
FunctionFragment.fromString = function (value) {
var params = { type: "function" };
value = parseGas(value, params);
var comps = value.split(" returns ");
if (comps.length > 2) {
logger.throwArgumentError("invalid function string", "value", value);
}
var parens = comps[0].match(regexParen);
if (!parens) {
logger.throwArgumentError("invalid function signature", "value", value);
}
params.name = parens[1].trim();
if (params.name) {
verifyIdentifier(params.name);
}
params.inputs = parseParams(parens[2], false);
parseModifiers(parens[3].trim(), params);
// We have outputs
if (comps.length > 1) {
var returns = comps[1].match(regexParen);
if (returns[1].trim() != "" || returns[3].trim() != "") {
logger.throwArgumentError("unexpected tokens", "value", value);
}
params.outputs = parseParams(returns[2], false);
}
else {
params.outputs = [];
}
return FunctionFragment.fromObject(params);
};
FunctionFragment.isFunctionFragment = function (value) {
return (value && value._isFragment && value.type === "function");
};
return FunctionFragment;
}(ConstructorFragment));
exports.FunctionFragment = FunctionFragment;
//export class StructFragment extends Fragment {
//}
function checkForbidden(fragment) {
var sig = fragment.format();
if (sig === "Error(string)" || sig === "Panic(uint256)") {
logger.throwArgumentError("cannot specify user defined " + sig + " error", "fragment", fragment);
}
return fragment;
}
var ErrorFragment = /** @class */ (function (_super) {
__extends(ErrorFragment, _super);
function ErrorFragment() {
return _super !== null && _super.apply(this, arguments) || this;
}
ErrorFragment.prototype.format = function (format) {
if (!format) {
format = exports.FormatTypes.sighash;
}
if (!exports.FormatTypes[format]) {
logger.throwArgumentError("invalid format type", "format", format);
}
if (format === exports.FormatTypes.json) {
return JSON.stringify({
type: "error",
name: this.name,
inputs: this.inputs.map(function (input) { return JSON.parse(input.format(format)); }),
});
}
var result = "";
if (format !== exports.FormatTypes.sighash) {
result += "error ";
}
result += this.name + "(" + this.inputs.map(function (input) { return input.format(format); }).join((format === exports.FormatTypes.full) ? ", " : ",") + ") ";
return result.trim();
};
ErrorFragment.from = function (value) {
if (typeof (value) === "string") {
return ErrorFragment.fromString(value);
}
return ErrorFragment.fromObject(value);
};
ErrorFragment.fromObject = function (value) {
if (ErrorFragment.isErrorFragment(value)) {
return value;
}
if (value.type !== "error") {
logger.throwArgumentError("invalid error object", "value", value);
}
var params = {
type: value.type,
name: verifyIdentifier(value.name),
inputs: (value.inputs ? value.inputs.map(ParamType.fromObject) : [])
};
return checkForbidden(new ErrorFragment(_constructorGuard, params));
};
ErrorFragment.fromString = function (value) {
var params = { type: "error" };
var parens = value.match(regexParen);
if (!parens) {
logger.throwArgumentError("invalid error signature", "value", value);
}
params.name = parens[1].trim();
if (params.name) {
verifyIdentifier(params.name);
}
params.inputs = parseParams(parens[2], false);
return checkForbidden(ErrorFragment.fromObject(params));
};
ErrorFragment.isErrorFragment = function (value) {
return (value && value._isFragment && value.type === "error");
};
return ErrorFragment;
}(Fragment));
exports.ErrorFragment = ErrorFragment;
function verifyType(type) {
// These need to be transformed to their full description
if (type.match(/^uint($|[^1-9])/)) {
type = "uint256" + type.substring(4);
}
else if (type.match(/^int($|[^1-9])/)) {
type = "int256" + type.substring(3);
}
// @TODO: more verification
return type;
}
// See: https://github.com/ethereum/solidity/blob/1f8f1a3db93a548d0555e3e14cfc55a10e25b60e/docs/grammar/SolidityLexer.g4#L234
var regexIdentifier = new RegExp("^[a-zA-Z$_][a-zA-Z0-9$_]*$");
function verifyIdentifier(value) {
if (!value || !value.match(regexIdentifier)) {
logger.throwArgumentError("invalid identifier \"" + value + "\"", "value", value);
}
return value;
}
var regexParen = new RegExp("^([^)(]*)\\((.*)\\)([^)(]*)$");
function splitNesting(value) {
value = value.trim();
var result = [];
var accum = "";
var depth = 0;
for (var offset = 0; offset < value.length; offset++) {
var c = value[offset];
if (c === "," && depth === 0) {
result.push(accum);
accum = "";
}
else {
accum += c;
if (c === "(") {
depth++;
}
else if (c === ")") {
depth--;
if (depth === -1) {
logger.throwArgumentError("unbalanced parenthesis", "value", value);
}
}
}
}
if (accum) {
result.push(accum);
}
return result;
}
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