Differential D19779 Diff 58907 apps/marlin-wallet/web/src/supported-assets.ts

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apps/marlin-wallet/web/src/supported-assets.ts

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				// Copyright (c) 2026 The Bitcoin developers
				// Distributed under the MIT software license, see the accompanying
				// file COPYING or http://www.opensource.org/licenses/mit-license.php.

				import { CryptoTicker } from 'ecash-price';
				import { ALP_TOKEN_TYPE_STANDARD, type TokenType } from 'ecash-lib';

				/**
				* Built-in asset definitions for Marlin.
				*/
				export interface AssetDefinition {
				key: string;
				ticker: string;
				/** Human-readable name for UI (e.g. asset menu as `name (ticker)`). */
				displayName: string;
				decimals: number;
				/** Set for tokens (e.g. ALP); omitted for XEC. */
				tokenId?: string;
				/** Protocol token type for sends; required when `tokenId` is set. */
				tokenType?: TokenType;
				/**
				* ecash-price source for fiat (or other) quotation. When unset, the asset
				* has no configured price and fiat secondary amounts are hidden.
				*/
				quoteCurrency?: CryptoTicker;
				}

				export const XEC_ASSET: AssetDefinition = {
				bytesofmanUnsubmitted Not Done Inline Actions alt approach, could add an optional key here, say something like referencePrice, and use that instead of the "use 1.0" bailout currently set on Firma. Firma is unlikely to be the only RWA token on eCash. As it stands now, if there is a EUR or CHF stable that should also be set to "1" in these currencies, then the same checks and return 1 must be added for them as well. That said, I'm not sure it would improve anything to make this generalized. Could be more complex. bytesofman: alt approach, could add an optional key here, say something like referencePrice, and use that…
				FabienAuthorUnsubmitted Done Inline Actions I thought adding a Fiat typed "stablecoin" optional key but the issue is that I still need a crypto reference for the other fiat destinations. For firma I use USDT as a source for non USD destination (e.g. USDT/EUR) so it's good enough. But that would be hard to do for CHF because I don't have such a crypto as a source. The real solution would be to gather fiat exchange rates from some provider and translate USD/other fiat from this. I didn't get down that rabbit hole for now, which I think is fine for what I'm trying to achieve. Fabien: I thought adding a Fiat typed "stablecoin" optional key but the issue is that I still need a…
				key: 'xec',
				ticker: 'XEC',
				displayName: 'eCash',
				decimals: 2,
				quoteCurrency: CryptoTicker.XEC,
				};

				export const FIRMA_TOKEN: AssetDefinition = {
				key: 'firma',
				ticker: 'FIRMA',
				displayName: 'Firma',
				decimals: 4,
				tokenId: '0387947fd575db4fb19a3e322f635dec37fd192b5941625b66bc4b2c3008cbf0',
				tokenType: ALP_TOKEN_TYPE_STANDARD,
				// Firma is a USD stablecoin. We use USDT as the quote currency because we
				// can't use USD directly as it's not supported by ecash-price.
				quoteCurrency: CryptoTicker.USDT,
				};

				export const SUPPORTED_ASSETS: AssetDefinition[] = [XEC_ASSET, FIRMA_TOKEN];