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// This file originates from the SatoshiLabs Trezor `common` repository at:
// https://github.com/trezor/trezor-common/blob/master/protob/messages-ethereum.proto
// dated 28.05.2019, commit 893fd219d4a01bcffa0cd9cfa631856371ec5aa9.
syntax = "proto2";
package hw.trezor.messages.ethereum;
// Sugar for easier handling in Java
option java_package = "com.satoshilabs.trezor.lib.protobuf";
option java_outer_classname = "TrezorMessageEthereum";
import "messages-common.proto";
/**
* Request: Ask device for public key corresponding to address_n path
* @start
* @next EthereumPublicKey
* @next Failure
*/
message EthereumGetPublicKey {
repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
optional bool show_display = 2; // optionally show on display before sending the result
}
/**
* Response: Contains public key derived from device private seed
* @end
*/
message EthereumPublicKey {
optional hw.trezor.messages.common.HDNodeType node = 1; // BIP32 public node
optional string xpub = 2; // serialized form of public node
}
/**
* Request: Ask device for Ethereum address corresponding to address_n path
* @start
* @next EthereumAddress
* @next Failure
*/
message EthereumGetAddress {
repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
optional bool show_display = 2; // optionally show on display before sending the result
}
/**
* Response: Contains an Ethereum address derived from device private seed
* @end
*/
message EthereumAddress {
optional bytes addressBin = 1; // Ethereum address as 20 bytes (legacy firmwares)
optional string addressHex = 2; // Ethereum address as hex string (newer firmwares)
}
/**
* Request: Ask device to sign transaction
* All fields are optional from the protocol's point of view. Each field defaults to value `0` if missing.
* Note: the first at most 1024 bytes of data MUST be transmitted as part of this message.
* @start
* @next EthereumTxRequest
* @next Failure
*/
message EthereumSignTx {
repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
optional bytes nonce = 2; // <=256 bit unsigned big endian
optional bytes gas_price = 3; // <=256 bit unsigned big endian (in wei)
optional bytes gas_limit = 4; // <=256 bit unsigned big endian
optional bytes toBin = 5; // recipient address (20 bytes, legacy firmware)
optional string toHex = 11; // recipient address (hex string, newer firmware)
optional bytes value = 6; // <=256 bit unsigned big endian (in wei)
optional bytes data_initial_chunk = 7; // The initial data chunk (<= 1024 bytes)
optional uint32 data_length = 8; // Length of transaction payload
optional uint32 chain_id = 9; // Chain Id for EIP 155
optional uint32 tx_type = 10; // (only for Wanchain)
}
/**
* Response: Device asks for more data from transaction payload, or returns the signature.
* If data_length is set, device awaits that many more bytes of payload.
* Otherwise, the signature_* fields contain the computed transaction signature. All three fields will be present.
* @end
* @next EthereumTxAck
*/
message EthereumTxRequest {
optional uint32 data_length = 1; // Number of bytes being requested (<= 1024)
optional uint32 signature_v = 2; // Computed signature (recovery parameter, limited to 27 or 28)
optional bytes signature_r = 3; // Computed signature R component (256 bit)
optional bytes signature_s = 4; // Computed signature S component (256 bit)
}
/**
* Request: Transaction payload data.
* @next EthereumTxRequest
*/
message EthereumTxAck {
optional bytes data_chunk = 1; // Bytes from transaction payload (<= 1024 bytes)
}
/**
* Request: Ask device to sign message
* @start
* @next EthereumMessageSignature
* @next Failure
*/
message EthereumSignMessage {
repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
optional bytes message = 2; // message to be signed
}
/**
* Response: Signed message
* @end
*/
message EthereumMessageSignature {
optional bytes addressBin = 1; // address used to sign the message (20 bytes, legacy firmware)
optional bytes signature = 2; // signature of the message
optional string addressHex = 3; // address used to sign the message (hex string, newer firmware)
}
/**
* Request: Ask device to verify message
* @start
* @next Success
* @next Failure
*/
message EthereumVerifyMessage {
optional bytes addressBin = 1; // address to verify (20 bytes, legacy firmware)
optional bytes signature = 2; // signature to verify
optional bytes message = 3; // message to verify
optional string addressHex = 4; // address to verify (hex string, newer firmware)
}
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