ccxt
Version:
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JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
require('./utils/base58.js');
var errors = require('./utils/errors.js');
var properties = require('./utils/properties.js');
require('./utils/fixednumber.js');
var maths = require('./utils/maths.js');
require('./utils/utf8.js');
require('../../base/functions/platform.js');
require('../../base/functions/encode.js');
require('../../base/functions/crypto.js');
require('../../base/functions/io.js');
require('@noble/hashes/sha3.js');
require('@noble/hashes/sha2.js');
// ----------------------------------------------------------------------------
// PLEASE DO NOT EDIT THIS FILE, IT IS GENERATED AND WILL BE OVERWRITTEN:
// https://github.com/ccxt/ccxt/blob/master/CONTRIBUTING.md#how-to-contribute-code
// EDIT THE CORRESPONDENT .ts FILE INSTEAD
/**
* A fragment is a single item from an ABI, which may represent any of:
*
* - [Functions](FunctionFragment)
* - [Events](EventFragment)
* - [Constructors](ConstructorFragment)
* - Custom [Errors](ErrorFragment)
* - [Fallback or Receive](FallbackFragment) functions
*
* @_subsection api/abi/abi-coder:Fragments [about-fragments]
*/
var _a;
// [ "a", "b" ] => { "a": 1, "b": 1 }
function setify(items) {
const result = new Set();
items.forEach((k) => result.add(k));
return Object.freeze(result);
}
const _kwVisibDeploy = "external public payable";
setify(_kwVisibDeploy.split(" "));
// Visibility Keywords
const _kwVisib = "constant external internal payable private public pure view";
setify(_kwVisib.split(" "));
const _kwTypes = "constructor error event fallback function receive struct";
setify(_kwTypes.split(" "));
const _kwModifiers = "calldata memory storage payable indexed";
const KwModifiers = setify(_kwModifiers.split(" "));
const _kwOther = "tuple returns";
// All Keywords
const _keywords = [_kwTypes, _kwModifiers, _kwOther, _kwVisib].join(" ");
const Keywords = setify(_keywords.split(" "));
// Single character tokens
const SimpleTokens = {
"(": "OPEN_PAREN", ")": "CLOSE_PAREN",
"[": "OPEN_BRACKET", "]": "CLOSE_BRACKET",
",": "COMMA", "@": "AT"
};
// Parser regexes to consume the next token
const regexWhitespacePrefix = new RegExp("^(\\s*)");
const regexNumberPrefix = new RegExp("^([0-9]+)");
const regexIdPrefix = new RegExp("^([a-zA-Z$_][a-zA-Z0-9$_]*)");
// Parser regexs to check validity
const regexId = new RegExp("^([a-zA-Z$_][a-zA-Z0-9$_]*)$");
const regexType = new RegExp("^(address|bool|bytes([0-9]*)|string|u?int([0-9]*))$");
class TokenString {
#offset;
#tokens;
get offset() { return this.#offset; }
get length() { return this.#tokens.length - this.#offset; }
constructor(tokens) {
this.#offset = 0;
this.#tokens = tokens.slice();
}
clone() { return new _a(this.#tokens); }
reset() { this.#offset = 0; }
#subTokenString(from = 0, to = 0) {
return new _a(this.#tokens.slice(from, to).map((t) => {
return Object.freeze(Object.assign({}, t, {
match: (t.match - from),
linkBack: (t.linkBack - from),
linkNext: (t.linkNext - from),
}));
}));
}
// Pops and returns the value of the next token, if it is a keyword in allowed; throws if out of tokens
popKeyword(allowed) {
const top = this.peek();
if (top.type !== "KEYWORD" || !allowed.has(top.text)) {
throw new Error(`expected keyword ${top.text}`);
}
return this.pop().text;
}
// Pops and returns the value of the next token if it is `type`; throws if out of tokens
popType(type) {
if (this.peek().type !== type) {
throw new Error(`expected ${type}; got ${JSON.stringify(this.peek())}`);
}
return this.pop().text;
}
// Pops and returns a "(" TOKENS ")"
popParen() {
const top = this.peek();
if (top.type !== "OPEN_PAREN") {
throw new Error("bad start");
}
const result = this.#subTokenString(this.#offset + 1, top.match + 1);
this.#offset = top.match + 1;
return result;
}
// Pops and returns the items within "(" ITEM1 "," ITEM2 "," ... ")"
popParams() {
const top = this.peek();
if (top.type !== "OPEN_PAREN") {
throw new Error("bad start");
}
const result = [];
while (this.#offset < top.match - 1) {
const link = this.peek().linkNext;
result.push(this.#subTokenString(this.#offset + 1, link));
this.#offset = link;
}
this.#offset = top.match + 1;
return result;
}
// Returns the top Token, throwing if out of tokens
peek() {
if (this.#offset >= this.#tokens.length) {
throw new Error("out-of-bounds");
}
return this.#tokens[this.#offset];
}
// Returns the next value, if it is a keyword in `allowed`
peekKeyword(allowed) {
const top = this.peekType("KEYWORD");
return (top != null && allowed.has(top)) ? top : null;
}
// Returns the value of the next token if it is `type`
peekType(type) {
if (this.length === 0) {
return null;
}
const top = this.peek();
return (top.type === type) ? top.text : null;
}
// Returns the next token; throws if out of tokens
pop() {
const result = this.peek();
this.#offset++;
return result;
}
toString() {
const tokens = [];
for (let i = this.#offset; i < this.#tokens.length; i++) {
const token = this.#tokens[i];
tokens.push(`${token.type}:${token.text}`);
}
return `<TokenString ${tokens.join(" ")}>`;
}
}
_a = TokenString;
function lex(text) {
const tokens = [];
const throwError = (message) => {
const token = (offset < text.length) ? JSON.stringify(text[offset]) : "$EOI";
throw new Error(`invalid token ${token} at ${offset}: ${message}`);
};
let brackets = [];
let commas = [];
let offset = 0;
while (offset < text.length) {
// Strip off any leading whitespace
let cur = text.substring(offset);
let match = cur.match(regexWhitespacePrefix);
if (match) {
offset += match[1].length;
cur = text.substring(offset);
}
const token = { depth: brackets.length, linkBack: -1, linkNext: -1, match: -1, type: "", text: "", offset, value: -1 };
tokens.push(token);
let type = (SimpleTokens[cur[0]] || "");
if (type) {
token.type = type;
token.text = cur[0];
offset++;
if (type === "OPEN_PAREN") {
brackets.push(tokens.length - 1);
commas.push(tokens.length - 1);
}
else if (type == "CLOSE_PAREN") {
if (brackets.length === 0) {
throwError("no matching open bracket");
}
token.match = brackets.pop();
(tokens[token.match]).match = tokens.length - 1;
token.depth--;
token.linkBack = commas.pop();
(tokens[token.linkBack]).linkNext = tokens.length - 1;
}
else if (type === "COMMA") {
token.linkBack = commas.pop();
(tokens[token.linkBack]).linkNext = tokens.length - 1;
commas.push(tokens.length - 1);
}
else if (type === "OPEN_BRACKET") {
token.type = "BRACKET";
}
else if (type === "CLOSE_BRACKET") {
// Remove the CLOSE_BRACKET
let suffix = tokens.pop().text;
if (tokens.length > 0 && tokens[tokens.length - 1].type === "NUMBER") {
const value = tokens.pop().text;
suffix = value + suffix;
(tokens[tokens.length - 1]).value = maths.getNumber(value);
}
if (tokens.length === 0 || tokens[tokens.length - 1].type !== "BRACKET") {
throw new Error("missing opening bracket");
}
(tokens[tokens.length - 1]).text += suffix;
}
continue;
}
match = cur.match(regexIdPrefix);
if (match) {
token.text = match[1];
offset += token.text.length;
if (Keywords.has(token.text)) {
token.type = "KEYWORD";
continue;
}
if (token.text.match(regexType)) {
token.type = "TYPE";
continue;
}
token.type = "ID";
continue;
}
match = cur.match(regexNumberPrefix);
if (match) {
token.text = match[1];
token.type = "NUMBER";
offset += token.text.length;
continue;
}
throw new Error(`unexpected token ${JSON.stringify(cur[0])} at position ${offset}`);
}
return new TokenString(tokens.map((t) => Object.freeze(t)));
}
// ...all keywords matching allowed, returning the keywords
function consumeKeywords(tokens, allowed) {
const keywords = new Set();
while (true) {
const keyword = tokens.peekType("KEYWORD");
if (keyword == null || (allowed && !allowed.has(keyword))) {
break;
}
tokens.pop();
if (keywords.has(keyword)) {
throw new Error(`duplicate keywords: ${JSON.stringify(keyword)}`);
}
keywords.add(keyword);
}
return Object.freeze(keywords);
}
const regexArrayType = new RegExp(/^(.*)\[([0-9]*)\]$/);
function verifyBasicType(type) {
const match = type.match(regexType);
errors.assertArgument(match, "invalid type", "type", type);
if (type === "uint") {
return "uint256";
}
if (type === "int") {
return "int256";
}
if (match[2]) {
// bytesXX
const length = parseInt(match[2]);
errors.assertArgument(length !== 0 && length <= 32, "invalid bytes length", "type", type);
}
else if (match[3]) {
// intXX or uintXX
const size = parseInt(match[3]);
errors.assertArgument(size !== 0 && size <= 256 && (size % 8) === 0, "invalid numeric width", "type", type);
}
return type;
}
// Make the Fragment constructors effectively private
const _guard = {};
const internal = Symbol.for("_ethers_internal");
const ParamTypeInternal = "_ParamTypeInternal";
/**
* Each input and output of a [[Fragment]] is an Array of **ParamType**.
*/
class ParamType {
/**
* @private
*/
constructor(guard, name, type, baseType, indexed, components, arrayLength, arrayChildren) {
errors.assertPrivate(guard, _guard, "ParamType");
Object.defineProperty(this, internal, { value: ParamTypeInternal });
if (components) {
components = Object.freeze(components.slice());
}
if (baseType === "array") {
if (arrayLength == null || arrayChildren == null) {
throw new Error("");
}
}
else if (arrayLength != null || arrayChildren != null) {
throw new Error("");
}
if (baseType === "tuple") {
if (components == null) {
throw new Error("");
}
}
else if (components != null) {
throw new Error("");
}
properties.defineProperties(this, {
name, type, baseType, indexed, components, arrayLength, arrayChildren
});
}
/**
* Return a string representation of this type.
*
* For example,
*
* ``sighash" => "(uint256,address)"``
*
* ``"minimal" => "tuple(uint256,address) indexed"``
*
* ``"full" => "tuple(uint256 foo, address bar) indexed baz"``
*/
format(format) {
if (format == null) {
format = "sighash";
}
if (format === "json") {
const name = this.name || "";
if (this.isArray()) {
if (this.arrayChildren == null) {
throw new Error("missing array children");
}
const result = JSON.parse(this.arrayChildren.format("json"));
result.name = name;
const arrayLength = this.arrayLength;
result.type += `[${((arrayLength == null || arrayLength < 0) ? "" : String(arrayLength))}]`;
return JSON.stringify(result);
}
const result = {
type: ((this.baseType === "tuple") ? "tuple" : this.type),
name
};
if (typeof (this.indexed) === "boolean") {
result.indexed = this.indexed;
}
if (this.isTuple()) {
if (this.components == null) {
throw new Error("missing components");
}
result.components = this.components.map((c) => JSON.parse(c.format(format)));
}
return JSON.stringify(result);
}
let result = "";
// Array
if (this.isArray()) {
if (this.arrayChildren == null) {
throw new Error("missing array children");
}
result += this.arrayChildren.format(format);
const arrayLength = this.arrayLength;
result += `[${((arrayLength == null || arrayLength < 0) ? "" : String(arrayLength))}]`;
}
else {
if (this.isTuple()) {
if (this.components == null) {
throw new Error("missing components");
}
result += "(" + this.components.map((comp) => comp.format(format)).join((format === "full") ? ", " : ",") + ")";
}
else {
result += this.type;
}
}
if (format !== "sighash") {
if (this.indexed === true) {
result += " indexed";
}
if (format === "full" && this.name) {
result += " " + this.name;
}
}
return result;
}
/**
* Returns true if %%this%% is an Array type.
*
* This provides a type gaurd ensuring that [[arrayChildren]]
* and [[arrayLength]] are non-null.
*/
isArray() {
return (this.baseType === "array");
}
/**
* Returns true if %%this%% is a Tuple type.
*
* This provides a type gaurd ensuring that [[components]]
* is non-null.
*/
isTuple() {
return (this.baseType === "tuple");
}
/**
* Returns true if %%this%% is an Indexable type.
*
* This provides a type gaurd ensuring that [[indexed]]
* is non-null.
*/
isIndexable() {
return (this.indexed != null);
}
/**
* Walks the **ParamType** with %%value%%, calling %%process%%
* on each type, destructing the %%value%% recursively.
*/
walk(value, process) {
if (this.isArray()) {
if (!Array.isArray(value)) {
throw new Error("invalid array value");
}
if (this.arrayLength !== -1 && value.length !== this.arrayLength) {
throw new Error("array is wrong length");
}
const arrayChildren = this.arrayChildren;
if (arrayChildren == null) {
throw new Error("missing array children");
}
return value.map((v) => (arrayChildren.walk(v, process)));
}
if (this.isTuple()) {
if (!Array.isArray(value)) {
throw new Error("invalid tuple value");
}
const components = this.components;
if (components == null) {
throw new Error("missing components");
}
if (value.length !== components.length) {
throw new Error("array is wrong length");
}
return value.map((v, i) => (components[i].walk(v, process)));
}
return process(this.type, value);
}
#walkAsync(promises, value, process, setValue) {
if (this.isArray()) {
if (!Array.isArray(value)) {
throw new Error("invalid array value");
}
if (this.arrayLength !== -1 && value.length !== this.arrayLength) {
throw new Error("array is wrong length");
}
const childType = this.arrayChildren;
if (childType == null) {
throw new Error("missing array children");
}
const result = value.slice();
result.forEach((value, index) => {
childType.#walkAsync(promises, value, process, (value) => {
result[index] = value;
});
});
setValue(result);
return;
}
if (this.isTuple()) {
const components = this.components;
if (components == null) {
throw new Error("missing components");
}
// Convert the object into an array
let result;
if (Array.isArray(value)) {
result = value.slice();
}
else {
if (value == null || typeof (value) !== "object") {
throw new Error("invalid tuple value");
}
result = components.map((param) => {
if (!param.name) {
throw new Error("cannot use object value with unnamed components");
}
if (!(param.name in value)) {
throw new Error(`missing value for component ${param.name}`);
}
return value[param.name];
});
}
if (result.length !== components.length) {
throw new Error("array is wrong length");
}
result.forEach((value, index) => {
components[index].#walkAsync(promises, value, process, (value) => {
result[index] = value;
});
});
setValue(result);
return;
}
const result = process(this.type, value);
if (result.then) {
promises.push((async function () { setValue(await result); })());
}
else {
setValue(result);
}
}
/**
* Walks the **ParamType** with %%value%%, asynchronously calling
* %%process%% on each type, destructing the %%value%% recursively.
*
* This can be used to resolve ENS naes by walking and resolving each
* ``"address"`` type.
*/
async walkAsync(value, process) {
const promises = [];
const result = [value];
this.#walkAsync(promises, value, process, (value) => {
result[0] = value;
});
if (promises.length) {
await Promise.all(promises);
}
return result[0];
}
/**
* Creates a new **ParamType** for %%obj%%.
*
* If %%allowIndexed%% then the ``indexed`` keyword is permitted,
* otherwise the ``indexed`` keyword will throw an error.
*/
static from(obj, allowIndexed) {
if (ParamType.isParamType(obj)) {
return obj;
}
if (typeof (obj) === "string") {
try {
return ParamType.from(lex(obj), allowIndexed);
}
catch (error) {
errors.assertArgument(false, "invalid param type", "obj", obj);
}
}
else if (obj instanceof TokenString) {
let type = "", baseType = "";
let comps = null;
if (consumeKeywords(obj, setify(["tuple"])).has("tuple") || obj.peekType("OPEN_PAREN")) {
// Tuple
baseType = "tuple";
comps = obj.popParams().map((t) => ParamType.from(t));
type = `tuple(${comps.map((c) => c.format()).join(",")})`;
}
else {
// Normal
type = verifyBasicType(obj.popType("TYPE"));
baseType = type;
}
// Check for Array
let arrayChildren = null;
let arrayLength = null;
while (obj.length && obj.peekType("BRACKET")) {
const bracket = obj.pop(); //arrays[i];
arrayChildren = new ParamType(_guard, "", type, baseType, null, comps, arrayLength, arrayChildren);
arrayLength = bracket.value;
type += bracket.text;
baseType = "array";
comps = null;
}
let indexed = null;
const keywords = consumeKeywords(obj, KwModifiers);
if (keywords.has("indexed")) {
if (!allowIndexed) {
throw new Error("");
}
indexed = true;
}
const name = (obj.peekType("ID") ? obj.pop().text : "");
if (obj.length) {
throw new Error("leftover tokens");
}
return new ParamType(_guard, name, type, baseType, indexed, comps, arrayLength, arrayChildren);
}
const name = obj.name;
errors.assertArgument(!name || (typeof (name) === "string" && name.match(regexId)), "invalid name", "obj.name", name);
let indexed = obj.indexed;
if (indexed != null) {
errors.assertArgument(allowIndexed, "parameter cannot be indexed", "obj.indexed", obj.indexed);
indexed = !!indexed;
}
let type = obj.type;
let arrayMatch = type.match(regexArrayType);
if (arrayMatch) {
const arrayLength = parseInt(arrayMatch[2] || "-1");
const arrayChildren = ParamType.from({
type: arrayMatch[1],
components: obj.components
});
return new ParamType(_guard, name || "", type, "array", indexed, null, arrayLength, arrayChildren);
}
if (type === "tuple" || type.startsWith("tuple(" /* fix: ) */) || type.startsWith("(" /* fix: ) */)) {
const comps = (obj.components != null) ? obj.components.map((c) => ParamType.from(c)) : null;
const tuple = new ParamType(_guard, name || "", type, "tuple", indexed, comps, null, null);
// @TODO: use lexer to validate and normalize type
return tuple;
}
type = verifyBasicType(obj.type);
return new ParamType(_guard, name || "", type, type, indexed, null, null, null);
}
/**
* Returns true if %%value%% is a **ParamType**.
*/
static isParamType(value) {
return (value && value[internal] === ParamTypeInternal);
}
}
exports.ParamType = ParamType;