From 28711781339cd2726fbe2389672ef28e9d82076c Mon Sep 17 00:00:00 2001
From: Patrick Niemeyer <pat@pat.net>
Date: Wed, 24 Jul 2024 21:31:42 -0500
Subject: [PATCH] app, dapp: Add Coinbase Base.

---
 gui-orchid/lib/api/orchid_eth/chains.dart | 15 ++++++++++++++-
 gui-orchid/lib/api/orchid_eth/tokens.dart | 11 +++++++++--
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/gui-orchid/lib/api/orchid_eth/chains.dart b/gui-orchid/lib/api/orchid_eth/chains.dart
index 866dd6206..38242b515 100644
--- a/gui-orchid/lib/api/orchid_eth/chains.dart
+++ b/gui-orchid/lib/api/orchid_eth/chains.dart
@@ -198,7 +198,7 @@ class Chains {
     blocktime: 0.5,
   );
 
-// RSK (BTC)
+  // RSK (BTC)
   static const int RSK_CHAINID = 30;
   static Chain RSK = Chain(
     chainId: RSK_CHAINID,
@@ -223,6 +223,18 @@ class Chains {
     blocktime: 5,
   );
 
+  // Coinbase Base (BASE_ETH)
+  static const int BASE_CHAINID = 8453;
+  static Chain Base = Chain(
+    chainId: BASE_CHAINID,
+    name: 'Base',
+    nativeCurrency: Tokens.BASE_ETH,
+    defaultProviderUrl: 'https://mainnet.base.org',
+    iconPath: OrchidAssetSvgChain.unknown_chain_path,
+    explorerUrl: 'https://basescan.org',
+    blocktime: 0,
+  );
+
   static Map<int, Chain> _map = [
     Aurora,
     Avalanche,
@@ -234,6 +246,7 @@ class Chains {
     Gnosis,
     Optimism,
     Polygon,
+    Base,
     // ArbitrumOne,
     // RSK,
     // Telos,
diff --git a/gui-orchid/lib/api/orchid_eth/tokens.dart b/gui-orchid/lib/api/orchid_eth/tokens.dart
index 194f67034..28af80e24 100644
--- a/gui-orchid/lib/api/orchid_eth/tokens.dart
+++ b/gui-orchid/lib/api/orchid_eth/tokens.dart
@@ -10,7 +10,6 @@ import 'token_type.dart';
 export 'tokens_legacy.dart';
 
 class Tokens {
-
   static const ETHPriceSource = const UniswapETHPriceSource(
     // USDC / ETH 0.3%
     dollarTokenVsETHPoolAddress: USDCVsETHPoolAddress,
@@ -146,6 +145,14 @@ class Tokens {
     iconPath: OrchidAssetSvgToken.celo_token_path,
   );
 
+  static const TokenType BASE_ETH = TokenType(
+    symbol: 'ETH',
+    // BASE ETH is ETH on L2
+    exchangeRateSource: ETHPriceSource,
+    chainId: Chains.BASE_CHAINID,
+    iconPath: OrchidAssetSvgToken.ethereum_eth_token_path,
+  );
+
   static const USDCVsETHPoolAddress =
       '0x8ad599c3A0ff1De082011EFDDc58f1908eb6e6D8';
   static const USDC_DECIMALS = 6;
@@ -171,9 +178,9 @@ class Tokens {
     AURORA_ETH,
     FTM,
     CELO,
+    BASE_ETH,
     // ARBITRUM_ETH,
     // RBTC,
     // TLOS,
   ];
 }
-