Creating Wallet from ETH Signer

A Wallet can be created from a corresponding L1 signer.

static fromEthSigner(
    ethWallet: ethers.Signer,
    provider: SyncProvider,
    signer?: Signer,
    accountId?: number,
    ethSignerType?: EthSignerType,
): Promise<Wallet>;

Parameter	Description
ethWallet	ether.Signer that corresponds to key that own the account
provider	class Provider extends SyncProvider {}
signer	default derived from ethereum signature of a specific message
accountId	default queried from the server
ethSignerType	default deduced using the signature output