EthereumNetworkInfo.name max_size:256 EthereumNetworkInfo.symbol max_size:256 EthereumTokenInfo.name max_size:256 EthereumTokenInfo.address max_size:20 EthereumTokenInfo.symbol max_size:256 EthereumDefinitions.encoded_network max_size:1024 EthereumDefinitions.encoded_token max_size:1024