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Clarify field limits in EthereumSignTx
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@ -592,6 +592,7 @@ message TxAck {
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/**
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* Request: Ask device to sign transaction
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* All fields are optional from the protocol's point of view. Each field defaults to value `0` if missing.
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* Note: the first at most 1024 bytes of data MUST be transmitted as part of this message.
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* @next PassphraseRequest
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* @next PinMatrixRequest
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* @next EthereumTxRequest
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@ -599,11 +600,11 @@ message TxAck {
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*/
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message EthereumSignTx {
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repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
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optional bytes nonce = 2; // 256 bit unsigned big endian
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optional bytes gas_price = 3; // 256 bit unsigned big endian (in wei)
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optional bytes gas_limit = 4; // 256 bit unsigned big endian
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optional bytes nonce = 2; // <=256 bit unsigned big endian
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optional bytes gas_price = 3; // <=256 bit unsigned big endian (in wei)
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optional bytes gas_limit = 4; // <=256 bit unsigned big endian
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optional bytes to = 5; // 160 bit address hash
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optional bytes value = 6; // 256 bit unsigned big endian (in wei)
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optional bytes value = 6; // <=256 bit unsigned big endian (in wei)
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optional bytes data_initial_chunk = 7; // The initial data chunk (<= 1024 bytes)
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optional uint32 data_length = 8; // Length of transaction payload
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}
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@ -611,15 +612,15 @@ message EthereumSignTx {
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/**
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* Response: Device asks for more data from transaction payload, or returns the signature.
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* If data_length is set, device awaits that many more bytes of payload.
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* Otherwise, the signature_* fields contain the computed transaction signature.
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* Otherwise, the signature_* fields contain the computed transaction signature. All three fields will be present.
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* @prev EthereumSignTx
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* @next EthereumTxAck
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*/
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message EthereumTxRequest {
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optional uint32 data_length = 1; // Number of bytes being requested
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optional uint32 data_length = 1; // Number of bytes being requested (<= 1024)
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optional uint32 signature_v = 2; // Computed signature (recovery parameter, limited to 27 or 28)
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optional bytes signature_r = 3; // Computed signature
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optional bytes signature_s = 4; // Computed signature
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optional bytes signature_r = 3; // Computed signature R component (256 bit)
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optional bytes signature_s = 4; // Computed signature S component (256 bit)
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}
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/**
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@ -628,7 +629,7 @@ message EthereumTxRequest {
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* @next EthereumTxRequest
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*/
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message EthereumTxAck {
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optional bytes data_chunk = 1; // Bytes from transaction payload
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optional bytes data_chunk = 1; // Bytes from transaction payload (<= 1024 bytes)
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}
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///////////////////////
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