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trezor-firmware/common/protob/messages-bitcoin.proto
2019-04-15 19:14:45 +02:00

252 lines
12 KiB
Protocol Buffer

syntax = "proto2";
package hw.trezor.messages.bitcoin;
// Sugar for easier handling in Java
option java_package = "com.satoshilabs.trezor.lib.protobuf";
option java_outer_classname = "TrezorMessageBitcoin";
import "messages-common.proto";
/**
* Type of script which will be used for transaction output
*/
enum InputScriptType {
SPENDADDRESS = 0; // standard P2PKH address
SPENDMULTISIG = 1; // P2SH multisig address
EXTERNAL = 2; // reserved for external inputs (coinjoin)
SPENDWITNESS = 3; // native SegWit
SPENDP2SHWITNESS = 4; // SegWit over P2SH (backward compatible)
}
/**
* Type of redeem script used in input
* @embed
*/
message MultisigRedeemScriptType {
repeated HDNodePathType pubkeys = 1; // pubkeys from multisig address (sorted lexicographically)
repeated bytes signatures = 2; // existing signatures for partially signed input
optional uint32 m = 3; // "m" from n, how many valid signatures is necessary for spending
repeated hw.trezor.messages.common.HDNodeType nodes = 4; // simplified way how to specify pubkeys if they share the same address_n path
repeated uint32 address_n = 5; // use only field 1 or fields 4+5, if fields 4+5 are used, field 1 is ignored
/**
* Structure representing HDNode + Path
*/
message HDNodePathType {
required hw.trezor.messages.common.HDNodeType node = 1; // BIP-32 node in deserialized form
repeated uint32 address_n = 2; // BIP-32 path to derive the key from node
}
}
/**
* Request: Ask device for public key corresponding to address_n path
* @start
* @next PublicKey
* @next Failure
*/
message GetPublicKey {
repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
optional string ecdsa_curve_name = 2; // ECDSA curve name to use
optional bool show_display = 3; // optionally show on display before sending the result
optional string coin_name = 4 [default='Bitcoin']; // coin to use for verifying
optional InputScriptType script_type = 5 [default=SPENDADDRESS]; // used to distinguish between various address formats (non-segwit, segwit, etc.)
}
/**
* Response: Contains public key derived from device private seed
* @end
*/
message PublicKey {
optional hw.trezor.messages.common.HDNodeType node = 1; // BIP32 public node
optional string xpub = 2; // serialized form of public node
}
/**
* Request: Ask device for address corresponding to address_n path
* @start
* @next Address
* @next Failure
*/
message GetAddress {
repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
optional string coin_name = 2 [default='Bitcoin']; // coin to use
optional bool show_display = 3; // optionally show on display before sending the result
optional MultisigRedeemScriptType multisig = 4; // filled if we are showing a multisig address
optional InputScriptType script_type = 5 [default=SPENDADDRESS]; // used to distinguish between various address formats (non-segwit, segwit, etc.)
}
/**
* Response: Contains address derived from device private seed
* @end
*/
message Address {
required string address = 1; // Coin address in Base58 encoding
}
/**
* Request: Ask device to sign message
* @start
* @next MessageSignature
* @next Failure
*/
message SignMessage {
repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
required bytes message = 2; // message to be signed
optional string coin_name = 3 [default='Bitcoin']; // coin to use for signing
optional InputScriptType script_type = 4 [default=SPENDADDRESS]; // used to distinguish between various address formats (non-segwit, segwit, etc.)
}
/**
* Response: Signed message
* @end
*/
message MessageSignature {
optional string address = 1; // address used to sign the message
optional bytes signature = 2; // signature of the message
}
/**
* Request: Ask device to verify message
* @start
* @next Success
* @next Failure
*/
message VerifyMessage {
optional string address = 1; // address to verify
optional bytes signature = 2; // signature to verify
optional bytes message = 3; // message to verify
optional string coin_name = 4 [default='Bitcoin']; // coin to use for verifying
}
/**
* Request: Ask device to sign transaction
* @start
* @next TxRequest
* @next Failure
*/
message SignTx {
required uint32 outputs_count = 1; // number of transaction outputs
required uint32 inputs_count = 2; // number of transaction inputs
optional string coin_name = 3 [default='Bitcoin']; // coin to use
optional uint32 version = 4 [default=1]; // transaction version
optional uint32 lock_time = 5 [default=0]; // transaction lock_time
optional uint32 expiry = 6; // only for Decred and Zcash
optional bool overwintered = 7; // only for Zcash
optional uint32 version_group_id = 8; // only for Zcash, nVersionGroupId when overwintered is set
optional uint32 timestamp = 9; // only for Capricoin, transaction timestamp
optional uint32 branch_id = 10; // only for Zcash, BRANCH_ID when overwintered is set
}
/**
* Response: Device asks for information for signing transaction or returns the last result
* If request_index is set, device awaits TxAck message (with fields filled in according to request_type)
* If signature_index is set, 'signature' contains signed input of signature_index's input
* @end
* @next TxAck
*/
message TxRequest {
optional RequestType request_type = 1; // what should be filled in TxAck message?
optional TxRequestDetailsType details = 2; // request for tx details
optional TxRequestSerializedType serialized = 3; // serialized data and request for next
/**
* Type of information required by transaction signing process
*/
enum RequestType {
TXINPUT = 0;
TXOUTPUT = 1;
TXMETA = 2;
TXFINISHED = 3;
TXEXTRADATA = 4;
}
/**
* Structure representing request details
*/
message TxRequestDetailsType {
optional uint32 request_index = 1; // device expects TxAck message from the computer
optional bytes tx_hash = 2; // tx_hash of requested transaction
optional uint32 extra_data_len = 3; // length of requested extra data
optional uint32 extra_data_offset = 4; // offset of requested extra data
}
/**
* Structure representing serialized data
*/
message TxRequestSerializedType {
optional uint32 signature_index = 1; // 'signature' field contains signed input of this index
optional bytes signature = 2; // signature of the signature_index input
optional bytes serialized_tx = 3; // part of serialized and signed transaction
}
}
/**
* Request: Reported transaction data
* @next TxRequest
*/
message TxAck {
optional TransactionType tx = 1;
/**
* Structure representing transaction
*/
message TransactionType {
optional uint32 version = 1;
repeated TxInputType inputs = 2;
repeated TxOutputBinType bin_outputs = 3;
optional uint32 lock_time = 4;
repeated TxOutputType outputs = 5;
optional uint32 inputs_cnt = 6;
optional uint32 outputs_cnt = 7;
optional bytes extra_data = 8; // only for Zcash
optional uint32 extra_data_len = 9; // only for Zcash
optional uint32 expiry = 10; // only for Decred and Zcash
optional bool overwintered = 11; // only for Zcash
optional uint32 version_group_id = 12; // only for Zcash, nVersionGroupId when overwintered is set
optional uint32 timestamp = 13; // only for Capricoin, transaction timestamp
optional uint32 branch_id = 14; // only for Zcash, BRANCH_ID when overwintered is set
/**
* Structure representing transaction input
*/
message TxInputType {
repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
required bytes prev_hash = 2; // hash of previous transaction output to spend by this input
required uint32 prev_index = 3; // index of previous output to spend
optional bytes script_sig = 4; // script signature, unset for tx to sign
optional uint32 sequence = 5 [default=4294967295]; // sequence (default=0xffffffff)
optional InputScriptType script_type = 6 [default=SPENDADDRESS]; // defines template of input script
optional MultisigRedeemScriptType multisig = 7; // Filled if input is going to spend multisig tx
optional uint64 amount = 8; // amount of previous transaction output (for segwit only)
optional uint32 decred_tree = 9; // only for Decred
optional uint32 decred_script_version = 10; // only for Decred
optional bytes prev_block_hash_bip115 = 11; // block hash of previous transaction output (for bip115 implementation)
optional uint32 prev_block_height_bip115 = 12; // block height of previous transaction output (for bip115 implementation)
}
/**
* Structure representing compiled transaction output
*/
message TxOutputBinType {
required uint64 amount = 1;
required bytes script_pubkey = 2;
optional uint32 decred_script_version = 3; // only for Decred
}
/**
* Structure representing transaction output
*/
message TxOutputType {
optional string address = 1; // target coin address in Base58 encoding
repeated uint32 address_n = 2; // BIP-32 path to derive the key from master node; has higher priority than "address"
required uint64 amount = 3; // amount to spend in satoshis
required OutputScriptType script_type = 4; // output script type
optional MultisigRedeemScriptType multisig = 5; // defines multisig address; script_type must be PAYTOMULTISIG
optional bytes op_return_data = 6; // defines op_return data; script_type must be PAYTOOPRETURN, amount must be 0
optional uint32 decred_script_version = 7; // only for Decred
optional bytes block_hash_bip115 = 8; // block hash of existing block (recommended current_block - 300) (for bip115 implementation)
optional uint32 block_height_bip115 = 9; // block height of existing block (recommended current_block - 300) (for bip115 implementation)
enum OutputScriptType {
PAYTOADDRESS = 0; // used for all addresses (bitcoin, p2sh, witness)
PAYTOSCRIPTHASH = 1; // p2sh address (deprecated; use PAYTOADDRESS)
PAYTOMULTISIG = 2; // only for change output
PAYTOOPRETURN = 3; // op_return
PAYTOWITNESS = 4; // only for change output
PAYTOP2SHWITNESS = 5; // only for change output
}
}
}
}