swtc-lib/src/request.js

websocket access for jingtum blockchain

"use strict";
import { EventEmitter } from "events";
import { utils } from "@swtc/utils";
class Request extends EventEmitter {
    constructor(remote, command = null, filter = v => v) {
        super();
        this._remote = remote;
        this._command = command;
        this._filter = filter;
        this.message = {};
    }
    async submitPromise() {
        return new Promise((resolve, reject) => {
            for (const key in this.message) {
                if (this.message[key] instanceof Error) {
                    reject(this.message[key].message);
                }
            }
            this._remote._submit(this._command, this.message, this._filter, (error, result) => {
                if (error) {
                    reject(error);
                }
                else {
                    resolve(result);
                }
            });
        });
    }
    submit(callback = m => m) {
        for (const key in this.message) {
            if (this.message[key] instanceof Error) {
                return callback(this.message[key].message);
            }
        }
        this._remote._submit(this._command, this.message, this._filter, callback);
    }
    selectLedger(ledger) {
        if (typeof ledger === "string" && ~utils.LEDGER_STATES.indexOf(ledger)) {
            this.message.ledger_index = ledger;
        }
        else if (Number(ledger)) {
            this.message.ledger_index = Number(ledger);
        }
        else if (/^[A-F0-9]+$/.test(ledger)) {
            this.message.ledger_hash = ledger;
        }
        else {
            this.message.ledger_index = "validated";
        }
        return this;
    }
}
export { Request };
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