libdocs/strict_send_path_call_builder.js

import { CallBuilder } from "./call_builder";
/**
 * The Stellar Network allows payments to be made across assets through path
 * payments. A strict send path payment specifies a series of assets to route a
 * payment through, from source asset (the asset debited from the payer) to
 * destination asset (the asset credited to the payee).
 *
 * A strict send path search is specified using:
 *
 * The source asset
 * The source amount
 * The destination assets or destination account.
 *
 * As part of the search, horizon will load a list of assets available to the
 * source address and will find any payment paths from those source assets to
 * the desired destination asset. The search's source_amount parameter will be
 * used to determine if there a given path can satisfy a payment of the desired
 * amount.
 *
 * Do not create this object directly, use {@link Server#strictSendPaths}.
 * @see [Find Payment Paths](https://developers.stellar.org/api/aggregations/paths/)
 * @extends CallBuilder
 * @param {string} serverUrl Horizon server URL.
 * @param {Asset} sourceAsset The asset to be sent.
 * @param {string} sourceAmount The amount, denominated in the source asset, that any returned path should be able to satisfy.
 * @param {string|Asset[]} destination The destination account or the destination assets.
 *
 */
export class StrictSendPathCallBuilder extends CallBuilder {
    constructor(serverUrl, sourceAsset, sourceAmount, destination) {
        super(serverUrl);
        this.url.segment("paths/strict-send");
        if (sourceAsset.isNative()) {
            this.url.setQuery("source_asset_type", "native");
        }
        else {
            this.url.setQuery("source_asset_type", sourceAsset.getAssetType());
            this.url.setQuery("source_asset_code", sourceAsset.getCode());
            this.url.setQuery("source_asset_issuer", sourceAsset.getIssuer());
        }
        this.url.setQuery("source_amount", sourceAmount);
        if (typeof destination === "string") {
            this.url.setQuery("destination_account", destination);
        }
        else {
            const assets = destination
                .map((asset) => {
                if (asset.isNative()) {
                    return "native";
                }
                return `${asset.getCode()}:${asset.getIssuer()}`;
            })
                .join(",");
            this.url.setQuery("destination_assets", assets);
        }
    }
}
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