viem@2.54.0

Minor Changes

• #4767 0def05663277a93e645bc28740a78bfc916810ec Thanks @jxom! - Breaking (viem/tempo): Changed Tempo token balance and allowance reads to return Amount objects.

  -const balance = await client.token.getBalance({ token })
  -// ^? bigint
  +const balance = await client.token.getBalance({ token })
  +// ^? { amount: bigint; decimals: number; formatted: string }
  
  -const allowance = await client.token.getAllowance({ account, spender, token })
  -// ^? bigint
  +const allowance = await client.token.getAllowance({ account, spender, token })
  +// ^? { amount: bigint; decimals: number; formatted: string }

• #4767 0def05663277a93e645bc28740a78bfc916810ec Thanks @jxom! - Breaking (viem/tempo): Changed Tempo token .call helpers to take the client before their action arguments.

  -Actions.token.transfer.call({ token, to, amount })
  +Actions.token.transfer.call(client, { token, to, amount })
  
  -Actions.token.getBalance.call({ account, token })
  +Actions.token.getBalance.call(client, { account, token })

• #4767 0def05663277a93e645bc28740a78bfc916810ec Thanks @jxom! - Breaking: Changed ERC-20 token actions to resolve token symbols from the Client tokens array instead of built-in chain tokens config.

   import { createPublicClient, http } from 'viem'
   import { mainnet } from 'viem/chains'
  +import { usdc } from 'viem/tokens'
  
  -const client = createPublicClient({ chain: mainnet, transport: http() })
  +const client = createPublicClient({
  +  chain: mainnet,
  +  tokens: [usdc],
  +  transport: http(),
  +})
  
   const balance = await client.token.getBalance({ account, token: 'usdc' })

• #4767 0def05663277a93e645bc28740a78bfc916810ec Thanks @jxom! - Added viem/tokens entrypoint.

Patch Changes

• #4739 cc3c2ff6a50dbca96a665c8fc2ad635f86d94f53 Thanks @Equious! - Added BattleChain Mainnet (chainId 626) to viem/chains.

• #4733 1caa5766109309d5fab48f1c4316deff5f504f9c Thanks @2wheeh! - Added MarooTestnet chain.

• #4772 b0a0e1ccd158198d56903759d362f22716a6b1e7 Thanks @jxom! - Added an RLP depth limit for decoding deeply nested payloads.