trezor-firmware/legacy/firmware/protob/messages-ethereum.options

EthereumSignTx.address_n                max_count:8
EthereumSignTx.nonce                    max_size:32
EthereumSignTx.gas_price                max_size:32
EthereumSignTx.gas_limit                max_size:32
EthereumSignTx.to                       max_size:43
EthereumSignTx.value                    max_size:32
EthereumSignTx.data_initial_chunk       max_size:1024

EthereumSignTxEIP1559.address_n          max_count:8
EthereumSignTxEIP1559.nonce              max_size:32
EthereumSignTxEIP1559.max_gas_fee        max_size:32
EthereumSignTxEIP1559.max_priority_fee   max_size:32
EthereumSignTxEIP1559.gas_limit          max_size:32
EthereumSignTxEIP1559.to                 max_size:32
EthereumSignTxEIP1559.value              max_size:32
EthereumSignTxEIP1559.data_initial_chunk max_size:1024
EthereumSignTxEIP1559.access_list        max_count:8

EthereumAccessList.address              max_size:32
EthereumAccessList.storage_keys         max_count:8 max_size:32

EthereumTxRequest.signature_r           max_size:32
EthereumTxRequest.signature_s           max_size:32

EthereumTxAck.data_chunk                max_size:1024

EthereumSignMessage.address_n           max_count:8
EthereumSignMessage.message             max_size:1024

EthereumVerifyMessage.address           max_size:43
EthereumVerifyMessage.signature         max_size:65
EthereumVerifyMessage.message           max_size:1024

EthereumMessageSignature.address        max_size:43
EthereumMessageSignature.signature      max_size:65

EthereumGetAddress.address_n            max_count:8
EthereumGetPublicKey.address_n          max_count:8

EthereumAddress._old_address            max_size:20
EthereumAddress.address                 max_size:43
EthereumPublicKey.xpub                  max_size:113