feat: add energy web chains (ewc & volta) (#447)

* feat: add energy web chains (ewc & volta)

* chore: update changeset

* docs: add energy web chains to readme

* Update volta.ts

* Update ewc.ts

* Update smooth-wolves-ring.md

---------

Co-authored-by: jxom <jakemoxey@gmail.com>

.changeset/smooth-wolves-ring.md

@@ -0,0 +1,5 @@
+---
+"@wagmi/chains": major
+---
+
+Added `ewc` & `volta` chains.

packages/chains/README.md

@@ -52,6 +52,7 @@ const { chains, provider } = configureChains(
 - `edgewareTestnet`
 - `eos`
 - `eosTestnet`
+- `ewc`
 - `fantom`
 - `fantomTestnet`
 - `foundry`
@@ -99,6 +100,7 @@ const { chains, provider } = configureChains(
 - `taraxaTestnet`
 - `telos`
 - `telosTestnet`
+- `volta`
 - `zkSync`
 - `zkSyncTestnet`
 - `zora`

packages/chains/src/ewc.ts

@@ -0,0 +1,27 @@
+import { Chain } from './types'
+
+export const ewc = {
+  id: 246,
+  name: 'Energy Web Chain',
+  network: 'ewc',
+  nativeCurrency: { name: 'EWT', symbol: 'EWT', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc.energyweb.org'],
+    },
+    public: {
+      http: ['https://rpc.energyweb.org'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Energy Web Chain Explorer',
+      url: 'https://explorer.energyweb.org',
+    },
+  },
+  contracts: {
+    ensRegistry: {
+      address: '0x0A6d64413c07E10E890220BBE1c49170080C6Ca0',
+    },
+  },
+} as const satisfies Chain

packages/chains/src/index.ts

@@ -37,6 +37,7 @@ export { evmos } from './evmos'
 export { evmosTestnet } from './evmosTestnet'
 export { ekta } from './ekta'
 export { ektaTestnet } from './ektaTestnet'
+export { ewc } from './ewc'
 export { fantom } from './fantom'
 export { fantomTestnet } from './fantomTestnet'
 export { fibo } from './fibo'
@@ -121,6 +122,7 @@ export { taraxaTestnet } from './taraxaTestnet'
 export { telos } from './telos'
 export { telosTestnet } from './telosTestnet'
 export { thunderTestnet } from './thunderTestnet'
+export { volta } from './volta'
 export { wanchain } from './wanchain'
 export { wanchainTestnet } from './wanchainTestnet'
 export { xdc } from './xdc'

packages/chains/src/volta.ts

@@ -0,0 +1,27 @@
+import { Chain } from './types'
+
+export const volta = {
+  id: 73799,
+  name: 'Volta Chain',
+  network: 'volta',
+  nativeCurrency: { name: 'VT', symbol: 'VT', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://volta-rpc.energyweb.org'],
+    },
+    public: {
+      http: ['https://volta-rpc.energyweb.org'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Volta Explorer',
+      url: 'https://volta-explorer.energyweb.org',
+    },
+  },
+  contracts: {
+    ensRegistry: {
+      address: '0xd7CeF70Ba7efc2035256d828d5287e2D285CD1ac',
+    },
+  },
+} as const satisfies Chain