default MutableAccount getOrCreateSenderAccount(final Address address) {
    return getOrCreate(address);
  }
Retrieves the provided account for a sender of a transaction if it exists, or creates it if it
doesn't.

@param address the address of the account.
@return the account of the sender for {@code address}
evm/src/main/java/org/hyperledger/besu/evm/worldstate/WorldUpdater.java