@bithomp/xrpl-api/lib/models/transaction/balance_changes.js

A Bithomp JavaScript/TypeScript library for interacting with the XRP Ledger

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseFinalBalances = exports.parseBalanceChanges = void 0;
const _ = __importStar(require("lodash"));
const bignumber_js_1 = __importDefault(require("bignumber.js"));
const utils_1 = require("../../v1/common/utils");
function groupByAddress(balanceChanges) {
    var grouped = _.groupBy(balanceChanges, function (node) {
        return node.address;
    });
    return _.mapValues(grouped, function (group) {
        return _.map(group, function (node) {
            return node.balance;
        });
    });
}
function parseValue(value) {
    return new bignumber_js_1.default(value.value || value);
}
function computeBalanceChange(node) {
    var value = null;
    if (node.newFields.Balance) {
        value = parseValue(node.newFields.Balance);
    }
    else if (node.previousFields.Balance && node.finalFields.Balance) {
        value = parseValue(node.finalFields.Balance).minus(parseValue(node.previousFields.Balance));
    }
    return value === null ? null : value.isZero() ? null : value;
}
function parseFinalBalance(node) {
    if (node.newFields.Balance) {
        return parseValue(node.newFields.Balance);
    }
    else if (node.finalFields.Balance) {
        return parseValue(node.finalFields.Balance);
    }
    return null;
}
function parseXRPQuantity(node, valueParser) {
    var value = valueParser(node);
    if (value === null) {
        return null;
    }
    return {
        address: node.finalFields.Account || node.newFields.Account,
        balance: {
            counterparty: '',
            currency: 'XRP',
            value: (0, utils_1.dropsToXrp)(value).toString()
        }
    };
}
function flipTrustlinePerspective(quantity) {
    var negatedBalance = (new bignumber_js_1.default(quantity.balance.value)).negated();
    return {
        address: quantity.balance.counterparty,
        balance: {
            counterparty: quantity.address,
            currency: quantity.balance.currency,
            value: negatedBalance.toString()
        }
    };
}
function parseTrustlineQuantity(node, valueParser) {
    var value = valueParser(node);
    if (value === null) {
        return null;
    }
    var fields = _.isEmpty(node.newFields) ? node.finalFields : node.newFields;
    var result = {
        address: fields.LowLimit.issuer,
        balance: {
            counterparty: fields.HighLimit.issuer,
            currency: fields.Balance.currency,
            value: value.toString()
        }
    };
    return [result, flipTrustlinePerspective(result)];
}
function parseQuantities(metadata, valueParser) {
    var values = (0, utils_1.normalizeNodes)(metadata).map(function (node) {
        if (node.entryType === 'AccountRoot') {
            return [parseXRPQuantity(node, valueParser)];
        }
        else if (node.entryType === 'RippleState') {
            return parseTrustlineQuantity(node, valueParser);
        }
        return [];
    });
    return groupByAddress(_.compact(_.flatten(values)));
}
function parseBalanceChanges(metadata) {
    return parseQuantities(metadata, computeBalanceChange);
}
exports.parseBalanceChanges = parseBalanceChanges;
function parseFinalBalances(metadata) {
    return parseQuantities(metadata, parseFinalBalance);
}
exports.parseFinalBalances = parseFinalBalances;