feat: add energy web chains (ewc & volta)

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

@@ -36,6 +36,7 @@ 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'
@@ -109,6 +110,7 @@ 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