@gear-js/api/lib/cjs/api/Mailbox.js

A JavaScript library that provides functionality to connect GEAR Component APIs.

'use strict';

class GearMailbox {
    api;
    claimValue;
    constructor(api) {
        this.api = api;
        this.claimValue = api.claimValueFromMailbox;
    }
    async read(accountId, messageIdOrNumberOfMessages) {
        const [messageId, numberOfMessages] = typeof messageIdOrNumberOfMessages === 'string'
            ? [messageIdOrNumberOfMessages, undefined]
            : [undefined, messageIdOrNumberOfMessages || 1000];
        if (messageId) {
            const mailbox = await this.api.query.gearMessenger.mailbox(accountId, messageId);
            const typedMailbox = this.api.createType('Option<(UserStoredMessage, Interval)>', mailbox);
            return typedMailbox.unwrapOr(null);
        }
        else {
            const keyPrefixes = this.api.query.gearMessenger.mailbox.keyPrefix(accountId);
            const keysPaged = await this.api.rpc.state.getKeysPaged(keyPrefixes, numberOfMessages, keyPrefixes);
            if (keysPaged.length === 0) {
                return [];
            }
            const mailbox = (await this.api.rpc.state.queryStorageAt(keysPaged));
            return mailbox.map((item) => {
                const typedItem = this.api.createType('Option<(UserStoredMessage, Interval)>', item);
                return typedItem.unwrapOr(null);
            });
        }
    }
}

exports.GearMailbox = GearMailbox;