hive-js-dev
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Steem.js the JavaScript API for Steem blockchain
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JavaScript
;
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
var _my;
var is_empty;
var is_digits;
var to_number;
var require_match;
var require_object_id;
var require_object_type;
var get_instance;
var require_relative_type;
var get_relative_instance;
var require_protocol_type;
var get_protocol_instance;
var get_protocol_type;
var require_implementation_type;
var get_implementation_instance;
var Long = require('bytebuffer').Long;
// var BigInteger = require('bigi');
var chain_types = require('./ChainTypes');
var MAX_SAFE_INT = 9007199254740991;
var MIN_SAFE_INT = -9007199254740991;
/**
Most validations are skipped and the value returned unchanged when an empty string, null, or undefined is encountered (except "required").
Validations support a string format for dealing with large numbers.
*/
module.exports = _my = {
is_empty: is_empty = function is_empty(value) {
return value === null || value === undefined;
},
required: function required(value) {
var field_name = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
if (is_empty(value)) {
throw new Error('value required ' + field_name + ' ' + value);
}
return value;
},
require_long: function require_long(value) {
var field_name = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
if (!Long.isLong(value)) {
throw new Error('Long value required ' + field_name + ' ' + value);
}
return value;
},
string: function string(value) {
if (is_empty(value)) {
return value;
}
if (typeof value !== "string") {
throw new Error('string required: ' + value);
}
return value;
},
number: function number(value) {
if (is_empty(value)) {
return value;
}
if (typeof value !== "number") {
throw new Error('number required: ' + value);
}
return value;
},
whole_number: function whole_number(value) {
var field_name = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
if (is_empty(value)) {
return value;
}
if (/\./.test(value)) {
throw new Error('whole number required ' + field_name + ' ' + value);
}
return value;
},
unsigned: function unsigned(value) {
var field_name = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
if (is_empty(value)) {
return value;
}
if (/-/.test(value)) {
throw new Error('unsigned required ' + field_name + ' ' + value);
}
return value;
},
is_digits: is_digits = function is_digits(value) {
if (typeof value === "numeric") {
return true;
}
return (/^[0-9]+$/.test(value)
);
},
to_number: to_number = function to_number(value) {
var field_name = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
if (is_empty(value)) {
return value;
}
_my.no_overflow53(value, field_name);
var int_value = function () {
if (typeof value === "number") {
return value;
} else {
return parseInt(value);
}
}();
return int_value;
},
to_long: function to_long(value) {
var field_name = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
if (is_empty(value)) {
return value;
}
if (Long.isLong(value)) {
return value;
}
_my.no_overflow64(value, field_name);
if (typeof value === "number") {
value = "" + value;
}
return Long.fromString(value);
},
to_string: function to_string(value) {
var field_name = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
if (is_empty(value)) {
return value;
}
if (typeof value === "string") {
return value;
}
if (typeof value === "number") {
_my.no_overflow53(value, field_name);
return "" + value;
}
if (Long.isLong(value)) {
return value.toString();
}
throw 'unsupported type ' + field_name + ': (' + (typeof value === 'undefined' ? 'undefined' : _typeof(value)) + ') ' + value;
},
require_test: function require_test(regex, value) {
var field_name = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : "";
if (is_empty(value)) {
return value;
}
if (!regex.test(value)) {
throw new Error('unmatched ' + regex + ' ' + field_name + ' ' + value);
}
return value;
},
require_match: require_match = function require_match(regex, value) {
var field_name = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : "";
if (is_empty(value)) {
return value;
}
var match = value.match(regex);
if (match === null) {
throw new Error('unmatched ' + regex + ' ' + field_name + ' ' + value);
}
return match;
},
// require_object_id: require_object_id=function(value, field_name){
// return require_match(
// /^([0-9]+)\.([0-9]+)\.([0-9]+)$/,
// value,
// field_name
// );
// },
// Does not support over 53 bits
require_range: function require_range(min, max, value) {
var field_name = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : "";
if (is_empty(value)) {
return value;
}
var number = to_number(value);
if (value < min || value > max) {
throw new Error('out of range ' + value + ' ' + field_name + ' ' + value);
}
return value;
},
require_object_type: require_object_type = function require_object_type() {
var reserved_spaces = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1;
var type = arguments[1];
var value = arguments[2];
var field_name = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : "";
if (is_empty(value)) {
return value;
}
var object_type = chain_types.object_type[type];
if (!object_type) {
throw new Error('Unknown object type: ' + type + ', ' + field_name + ', ' + value);
}
var re = new RegExp(reserved_spaces + '.' + object_type + '.[0-9]+$');
if (!re.test(value)) {
throw new Error('Expecting ' + type + ' in format ' + (reserved_spaces + '.' + object_type + '.[0-9]+ ') + ('instead of ' + value + ' ' + field_name + ' ' + value));
}
return value;
},
get_instance: get_instance = function get_instance(reserve_spaces, type, value, field_name) {
if (is_empty(value)) {
return value;
}
require_object_type(reserve_spaces, type, value, field_name);
return to_number(value.split('.')[2]);
},
require_relative_type: require_relative_type = function require_relative_type(type, value, field_name) {
require_object_type(0, type, value, field_name);
return value;
},
get_relative_instance: get_relative_instance = function get_relative_instance(type, value, field_name) {
if (is_empty(value)) {
return value;
}
require_object_type(0, type, value, field_name);
return to_number(value.split('.')[2]);
},
require_protocol_type: require_protocol_type = function require_protocol_type(type, value, field_name) {
require_object_type(1, type, value, field_name);
return value;
},
get_protocol_instance: get_protocol_instance = function get_protocol_instance(type, value, field_name) {
if (is_empty(value)) {
return value;
}
require_object_type(1, type, value, field_name);
return to_number(value.split('.')[2]);
},
get_protocol_type: get_protocol_type = function get_protocol_type(value, field_name) {
if (is_empty(value)) {
return value;
}
require_object_id(value, field_name);
var values = value.split('.');
return to_number(values[1]);
},
get_protocol_type_name: function get_protocol_type_name(value, field_name) {
if (is_empty(value)) {
return value;
}
var type_id = get_protocol_type(value, field_name);
return Object.keys(chain_types.object_type)[type_id];
},
require_implementation_type: require_implementation_type = function require_implementation_type(type, value, field_name) {
require_object_type(2, type, value, field_name);
return value;
},
get_implementation_instance: get_implementation_instance = function get_implementation_instance(type, value, field_name) {
if (is_empty(value)) {
return value;
}
require_object_type(2, type, value, field_name);
return to_number(value.split('.')[2]);
},
// signed / unsigned decimal
no_overflow53: function no_overflow53(value) {
var field_name = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
if (typeof value === "number") {
if (value > MAX_SAFE_INT || value < MIN_SAFE_INT) {
throw new Error('overflow ' + field_name + ' ' + value);
}
return;
}
if (typeof value === "string") {
var int = parseInt(value);
if (value > MAX_SAFE_INT || value < MIN_SAFE_INT) {
throw new Error('overflow ' + field_name + ' ' + value);
}
return;
}
if (Long.isLong(value)) {
// typeof value.toInt() is 'number'
_my.no_overflow53(value.toInt(), field_name);
return;
}
throw 'unsupported type ' + field_name + ': (' + (typeof value === 'undefined' ? 'undefined' : _typeof(value)) + ') ' + value;
},
// signed / unsigned whole numbers only
no_overflow64: function no_overflow64(value) {
var field_name = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
// https://github.com/dcodeIO/Long.js/issues/20
if (Long.isLong(value)) {
return;
}
// BigInteger#isBigInteger https://github.com/cryptocoinjs/bigi/issues/20
if (value.t !== undefined && value.s !== undefined) {
_my.no_overflow64(value.toString(), field_name);
return;
}
if (typeof value === "string") {
// remove leading zeros, will cause a false positive
value = value.replace(/^0+/, '');
// remove trailing zeros
while (/0$/.test(value)) {
value = value.substring(0, value.length - 1);
}
if (/\.$/.test(value)) {
// remove trailing dot
value = value.substring(0, value.length - 1);
}
if (value === "") {
value = "0";
}
var long_string = Long.fromString(value).toString();
if (long_string !== value.trim()) {
throw new Error('overflow ' + field_name + ' ' + value);
}
return;
}
if (typeof value === "number") {
if (value > MAX_SAFE_INT || value < MIN_SAFE_INT) {
throw new Error('overflow ' + field_name + ' ' + value);
}
return;
}
throw 'unsupported type ' + field_name + ': (' + (typeof value === 'undefined' ? 'undefined' : _typeof(value)) + ') ' + value;
}
};