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Clarify field limits in EthereumSignTx

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This commit is contained in:
Alex Beregszaszi 2016-05-23 19:36:28 +01:00
parent 2b72edf8f3
commit 072ca020cf
1 changed files with 10 additions and 9 deletions
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19
protob/messages.proto
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@ -592,6 +592,7 @@ message TxAck {
/** /**
* Request: Ask device to sign transaction * 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. * 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.
* @next PassphraseRequest * @next PassphraseRequest
* @next PinMatrixRequest * @next PinMatrixRequest
* @next EthereumTxRequest * @next EthereumTxRequest
@ -599,11 +600,11 @@ message TxAck {
*/ */
message EthereumSignTx { message EthereumSignTx {
repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node 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 nonce = 2; // <=256 bit unsigned big endian
optional bytes gas_price = 3; // 256 bit unsigned big endian (in wei) optional bytes gas_price = 3; // <=256 bit unsigned big endian (in wei)
optional bytes gas_limit = 4; // 256 bit unsigned big endian optional bytes gas_limit = 4; // <=256 bit unsigned big endian
optional bytes to = 5; // 160 bit address hash optional bytes to = 5; // 160 bit address hash
optional bytes value = 6; // 256 bit unsigned big endian (in wei) optional bytes value = 6; // <=256 bit unsigned big endian (in wei)
optional bytes data_initial_chunk = 7; // The initial data chunk (<= 1024 bytes) optional bytes data_initial_chunk = 7; // The initial data chunk (<= 1024 bytes)
optional uint32 data_length = 8; // Length of transaction payload optional uint32 data_length = 8; // Length of transaction payload
} }
@ -611,15 +612,15 @@ message EthereumSignTx {
/** /**
* Response: Device asks for more data from transaction payload, or returns the signature. * 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. * If data_length is set, device awaits that many more bytes of payload.
* Otherwise, the signature_* fields contain the computed transaction signature. * Otherwise, the signature_* fields contain the computed transaction signature. All three fields will be present.
* @prev EthereumSignTx * @prev EthereumSignTx
* @next EthereumTxAck * @next EthereumTxAck
*/ */
message EthereumTxRequest { message EthereumTxRequest {
optional uint32 data_length = 1; // Number of bytes being requested 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 uint32 signature_v = 2; // Computed signature (recovery parameter, limited to 27 or 28)
optional bytes signature_r = 3; // Computed signature optional bytes signature_r = 3; // Computed signature R component (256 bit)
optional bytes signature_s = 4; // Computed signature optional bytes signature_s = 4; // Computed signature S component (256 bit)
} }
/** /**
@ -628,7 +629,7 @@ message EthereumTxRequest {
* @next EthereumTxRequest * @next EthereumTxRequest
*/ */
message EthereumTxAck { message EthereumTxAck {
optional bytes data_chunk = 1; // Bytes from transaction payload optional bytes data_chunk = 1; // Bytes from transaction payload (<= 1024 bytes)
} }
/////////////////////// ///////////////////////