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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/xrpl/dist/npm/utils/hashes/SHAMap
Просмотр файла: InnerNode.js
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const errors_1 = require("../../../errors");
const HashPrefix_1 = __importDefault(require("../HashPrefix"));
const sha512Half_1 = __importDefault(require("../sha512Half"));
const LeafNode_1 = __importDefault(require("./LeafNode"));
const node_1 = require("./node");
const HEX_ZERO = '0000000000000000000000000000000000000000000000000000000000000000';
const SLOT_MAX = 15;
const HEX = 16;
class InnerNode extends node_1.Node {
constructor(depth = 0) {
super();
this.leaves = {};
this.type = node_1.NodeType.INNER;
this.depth = depth;
this.empty = true;
}
get hash() {
if (this.empty) {
return HEX_ZERO;
}
let hex = '';
for (let iter = 0; iter <= SLOT_MAX; iter++) {
const child = this.leaves[iter];
const hash = child == null ? HEX_ZERO : child.hash;
hex += hash;
}
const prefix = HashPrefix_1.default.INNER_NODE.toString(HEX);
return (0, sha512Half_1.default)(prefix + hex);
}
addItem(tag, node) {
const existingNode = this.getNode(parseInt(tag[this.depth], HEX));
if (existingNode === undefined) {
this.setNode(parseInt(tag[this.depth], HEX), node);
return;
}
if (existingNode instanceof InnerNode) {
existingNode.addItem(tag, node);
}
else if (existingNode instanceof LeafNode_1.default) {
if (existingNode.tag === tag) {
throw new errors_1.XrplError('Tried to add a node to a SHAMap that was already in there.');
}
else {
const newInnerNode = new InnerNode(this.depth + 1);
newInnerNode.addItem(existingNode.tag, existingNode);
newInnerNode.addItem(tag, node);
this.setNode(parseInt(tag[this.depth], HEX), newInnerNode);
}
}
}
setNode(slot, node) {
if (slot < 0 || slot > SLOT_MAX) {
throw new errors_1.XrplError('Invalid slot: slot must be between 0-15.');
}
this.leaves[slot] = node;
this.empty = false;
}
getNode(slot) {
if (slot < 0 || slot > SLOT_MAX) {
throw new errors_1.XrplError('Invalid slot: slot must be between 0-15.');
}
return this.leaves[slot];
}
}
exports.default = InnerNode;
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