feat: add Avalanche Local chain support

🔺 Generated by DevRel swarm

Add support for local Avalanche network (chain ID 43112) to enable local development and testing with avalanche-cli or similar local networks.

Author: owenwahlgren

client/src/chains/avalancheLocal.ts

@@ -0,0 +1,15 @@
+import { defineChain } from "viem";
+
+export const avalancheLocal = /*#__PURE__*/ defineChain({
+  id: 43_112,
+  name: "Avalanche Local",
+  nativeCurrency: {
+    decimals: 18,
+    name: "Avalanche",
+    symbol: "AVAX",
+  },
+  rpcUrls: {
+    default: { http: ["http://127.0.0.1:9650/ext/bc/C/rpc"] },
+  },
+  testnet: true,
+});

client/src/chains/index.ts

@@ -174,6 +174,7 @@ export type {
 } from "viem/chains";
 export { avalanche } from "./avalanche.js";
 export { avalancheFuji } from "./avalancheFuji.js";
+export { avalancheLocal } from "./avalancheLocal.js";
 /** @deprecated Use `sonicTestnet` instead. */
 export {
   fantomSonicTestnet,

client/src/clients/createAvalancheClient.ts

@@ -120,7 +120,7 @@ export function createAvalancheClient<
   });
   const extendedClient = client.extend(avalanchePublicActions) as any;
 
-  if (chainConfig?.id !== 43_113 && chainConfig?.id !== 43_114) {
+  if (chainConfig?.id !== 43_112 && chainConfig?.id !== 43_113 && chainConfig?.id !== 43_114) {
     return {
       ...extendedClient,
     };

client/src/clients/utils.ts

@@ -94,7 +94,7 @@ function getClientURL(
   clientType: ClientType = "public",
   transportType: "http" | "webSocket" = "http"
 ): string | undefined {
-  if (chain?.id !== 43_113 && chain?.id !== 43_114) {
+  if (chain?.id !== 43_112 && chain?.id !== 43_113 && chain?.id !== 43_114) {
     return url ?? chain?.rpcUrls.default[transportType]?.[0];
   }
 

client/src/methods/consts.ts

@@ -1,14 +1,32 @@
+// Chain IDs for easy reference
+export const AVALANCHE_CHAIN_IDS = {
+  MAINNET: 43114,
+  FUJI: 43113,
+  LOCAL: 43112,
+} as const;
+
+// Network IDs (different from chain IDs)
+export const AVALANCHE_NETWORK_IDS = {
+  MAINNET: 1,
+  FUJI: 5,
+  LOCAL: 1337,
+} as const;
+
 export const P_CHAIN_MAINNET_ID = '11111111111111111111111111111111LpoYY';
 export const P_CHAIN_FUJI_ID = '11111111111111111111111111111111LpoYY';
+export const P_CHAIN_LOCAL_ID = '11111111111111111111111111111111LpoYY';
 export const P_CHAIN_ALIAS = 'P';
 
 export const X_CHAIN_MAINNET_ID = '2oYMBNV4eNHyqk2fjjV5nVQLDbtmNJzq5s3qs3Lo6ftnC6FByM';
 export const X_CHAIN_FUJI_ID = '2JVSBoinj9C2J33VntvzYtVJNZdN2NKiwwKjcumHUWEb5DbBrm';
+export const X_CHAIN_LOCAL_ID = '2eNy1mUFdmaxXNj1eQHUe7Np4gju9sJsEtWQ4MX3ToiNKuADed';
 export const X_CHAIN_ALIAS = 'X';
 
 export const C_CHAIN_MAINNET_ID = '2q9e4r6Mu3U68nU1fYjgbR6JvwrRx36CohpAX5UQxse55x1Q5';
 export const C_CHAIN_FUJI_ID = 'yH8D7ThNJkxmtkuv2jgBa4P1Rn3Qpr4pPr7QYNfcdoS6k6HWp';
+export const C_CHAIN_LOCAL_ID = '2CA6j5zYzasynPsFeNoqWkmTCt3VScMvXUZHbfDJ8k3oGzAPtU';
 export const C_CHAIN_ALIAS = 'C';
 
 export const MAINNET_NETWORK_ID = 1;
-export const TESTNET_NETWORK_ID = 5;
+export const TESTNET_NETWORK_ID = 5;
+export const LOCAL_NETWORK_ID = 1337;