feat: add Forma mainnet and Sketchpad testnet chains (#2555)

Added Forma mainnet and Sketchpad testnet chains.

.changeset/sweet-planes-march.md

@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added Forma mainnet and Sketchpad testnet chains.

src/chains/definitions/forma.ts

@@ -0,0 +1,30 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const forma = /*#__PURE__*/ defineChain({
+  id: 984122,
+  name: 'Forma',
+  network: 'forma',
+  nativeCurrency: {
+    symbol: 'TIA',
+    name: 'TIA',
+    decimals: 18,
+  },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc.forma.art'],
+      webSocket: ['wss://ws.forma.art'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Forma Explorer',
+      url: 'https://explorer.forma.art',
+    },
+  },
+  contracts: {
+    multicall3: {
+      address: '0xd53C6FFB123F7349A32980F87faeD8FfDc9ef079',
+      blockCreated: 252705,
+    },
+  },
+})

src/chains/definitions/sketchpad.ts

@@ -0,0 +1,25 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const sketchpad = /*#__PURE__*/ defineChain({
+  id: 984123,
+  name: 'Forma Sketchpad',
+  network: 'sketchpad',
+  nativeCurrency: {
+    symbol: 'TIA',
+    name: 'TIA',
+    decimals: 18,
+  },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc.sketchpad-1.forma.art'],
+      webSocket: ['wss://ws.sketchpad-1.forma.art'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Sketchpad Explorer',
+      url: 'https://explorer.sketchpad-1.forma.art',
+    },
+  },
+  testnet: true,
+})

src/chains/index.ts

@@ -101,6 +101,7 @@ export { flareTestnet } from './definitions/flareTestnet.js'
 export { flowPreviewnet } from './definitions/flowPreviewnet.js'
 export { flowMainnet } from './definitions/flowMainnet.js'
 export { flowTestnet } from './definitions/flowTestnet.js'
+export { forma } from './definitions/forma.js'
 /** @deprecated Use `anvil` instead. */
 export { foundry } from './definitions/foundry.js'
 export { fraxtal } from './definitions/fraxtal.js'
@@ -257,6 +258,7 @@ export { skaleNebulaTestnet } from './definitions/skale/nebulaTestnet.js'
 export { skaleRazor } from './definitions/skale/razor.js'
 export { skaleTitan } from './definitions/skale/titan.js'
 export { skaleTitanTestnet } from './definitions/skale/titanTestnet.js'
+export { sketchpad } from './definitions/sketchpad.js'
 export { songbird } from './definitions/songbird.js'
 export { songbirdTestnet } from './definitions/songbirdTestnet.js'
 export { spicy } from './definitions/spicy.js'