libdocs/strict_receive_path_call_builder.js

import { CallBuilder } from "./call_builder";
/**
 * The Stellar Network allows payments to be made across assets through path
 * payments. A strict receive 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 path search is specified using:
 *
 * * The source address or source assets.
 * * The asset and amount that the destination account should receive
 *
 * 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 amount parameter will be used to
 * determine if there a given path can satisfy a payment of the desired amount.
 *
 * If a list of assets is passed as the source, horizon will find any payment
 * paths from those source assets to the desired destination asset.
 *
 * Do not create this object directly, use {@link Server#strictReceivePaths}.
 * @see [Find Payment Paths](https://developers.stellar.org/api/aggregations/paths/)
 * @extends CallBuilder
 * @param {string} serverUrl Horizon server URL.
 * @param {string|Asset[]} source The sender's account ID or a list of Assets. Any returned path must use a source that the sender can hold.
 * @param {Asset} destinationAsset The destination asset.
 * @param {string} destinationAmount The amount, denominated in the destination asset, that any returned path should be able to satisfy.
 */
export class StrictReceivePathCallBuilder extends CallBuilder {
    constructor(serverUrl, source, destinationAsset, destinationAmount) {
        super(serverUrl);
        this.url.segment("paths/strict-receive");
        if (typeof source === "string") {
            this.url.setQuery("source_account", source);
        }
        else {
            const assets = source
                .map((asset) => {
                if (asset.isNative()) {
                    return "native";
                }
                return `${asset.getCode()}:${asset.getIssuer()}`;
            })
                .join(",");
            this.url.setQuery("source_assets", assets);
        }
        this.url.setQuery("destination_amount", destinationAmount);
        if (!destinationAsset.isNative()) {
            this.url.setQuery("destination_asset_type", destinationAsset.getAssetType());
            this.url.setQuery("destination_asset_code", destinationAsset.getCode());
            this.url.setQuery("destination_asset_issuer", destinationAsset.getIssuer());
        }
        else {
            this.url.setQuery("destination_asset_type", "native");
        }
    }
}
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