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Merge pull request #11 from axic/ethereum-protocol

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RFC: Ethereum support (GetEthereumAddress and SignEthereumTx)
This commit is contained in:
Pavol Rusnak 2016-05-24 00:32:39 +02:00
commit 0b5c08a166
1 changed files with 67 additions and 0 deletions
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67
protob/messages.proto
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@ -64,6 +64,11 @@ enum MessageType {
MessageType_SignIdentity = 53 [(wire_in) = true];
MessageType_SignedIdentity = 54 [(wire_out) = true];
MessageType_GetFeatures = 55 [(wire_in) = true];
MessageType_EthereumGetAddress = 56 [(wire_in) = true];
MessageType_EthereumAddress = 57 [(wire_out) = true];
MessageType_EthereumSignTx = 58 [(wire_in) = true];
MessageType_EthereumTxRequest = 59 [(wire_out) = true];
MessageType_EthereumTxAck = 60 [(wire_in) = true];
MessageType_DebugLinkDecision = 100 [(wire_debug_in) = true];
MessageType_DebugLinkGetState = 101 [(wire_debug_in) = true];
MessageType_DebugLinkState = 102 [(wire_debug_out) = true];
@ -281,6 +286,17 @@ message GetAddress {
optional MultisigRedeemScriptType multisig = 4; // Filled if we are showing a multisig address
}
/**
* Request: Ask device for Ethereum address corresponding to address_n path
* @next PassphraseRequest
* @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 address derived from device private seed
* @prev GetAddress
@ -289,6 +305,14 @@ message Address {
required string address = 1; // Coin address in Base58 encoding
}
/**
* Response: Contains an Ethereum address derived from device private seed
* @prev EthereumGetAddress
*/
message EthereumAddress {
required bytes address = 1; // Coin address as an Ethereum 160 bit hash
}
/**
* Request: Request device to wipe all sensitive data and settings
* @next ButtonRequest
@ -565,6 +589,49 @@ message TxAck {
optional TransactionType tx = 1;
}
/**
* 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.
* @next PassphraseRequest
* @next PinMatrixRequest
* @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 to = 5; // 160 bit address hash
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
}
/**
* 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.
* @prev EthereumSignTx
* @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.
* @prev EthereumTxRequest
* @next EthereumTxRequest
*/
message EthereumTxAck {
optional bytes data_chunk = 1; // Bytes from transaction payload (<= 1024 bytes)
}
///////////////////////
// Identity messages //
///////////////////////