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feat(common): specialize TxAck messages, add more required fields

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matejcik 2020-09-14 13:30:33 +02:00 committed by matejcik
parent 8847c58bbf
commit 185c2ac17d
1 changed files with 197 additions and 19 deletions
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216
common/protob/messages-bitcoin.proto
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@ -9,7 +9,7 @@ import "messages.proto";
import "messages-common.proto";
/**
* Type of script which will be used for transaction output
* Type of script which will be used for transaction input
*/
enum InputScriptType {
SPENDADDRESS = 0; // standard P2PKH address
@ -19,6 +19,18 @@ enum InputScriptType {
SPENDP2SHWITNESS = 4; // SegWit over P2SH (backward compatible)
}
/**
* Type of script which will be used for transaction output
*/
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
}
/**
* Type of redeem script used in input
* @embed
@ -26,7 +38,7 @@ enum InputScriptType {
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
required uint32 m = 3; // "m" from n, how many valid signatures is necessary for spending
repeated 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
/**
@ -133,9 +145,9 @@ message MessageSignature {
* @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
required string address = 1; // address to verify
required bytes signature = 2; // signature to verify
required bytes message = 3; // message to verify
optional string coin_name = 4 [default='Bitcoin']; // coin to use for verifying
}
@ -160,10 +172,15 @@ message SignTx {
/**
* 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 request_index is set, device awaits TxAck<any> matching the request type.
* If signature_index is set, 'signature' contains signed input of signature_index's input
* @end
* @next TxAck
* @next TxAckInput
* @next TxAckOutput
* @next TxAckPrevMeta
* @next TxAckPrevInput
* @next TxAckPrevOutput
* @next TxAckPrevExtraData
*/
message TxRequest {
optional RequestType request_type = 1; // what should be filled in TxAck message?
@ -199,10 +216,20 @@ message TxRequest {
}
/**
* Request: Reported transaction data
* Request: Reported transaction data (legacy)
*
* This message contains all possible field that can be sent in response to a TxRequest.
* Depending on the request_type, the host is supposed to fill some of these fields.
*
* The interface is wire-compatible with the new method of specialized TxAck subtypes,
* so it can be used in the old way. However, it is now recommended to use more
* specialized messages, which have better-configured constraints on field values.
*
* @next TxRequest
*/
message TxAck {
option deprecated = true;
optional TransactionType tx = 1;
/**
* Structure representing transaction
@ -258,24 +285,175 @@ message TxAck {
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 OutputScriptType script_type = 4 [default=PAYTOADDRESS]; // 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 // deprecated -> only 0 is supported
// optional bytes block_hash_bip115 = 8; // BIP-115 support dropped
// optional uint32 block_height_bip115 = 9; // BIP-115 support dropped
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
}
}
}
}
/** Data type for transaction input to be signed.
* @embed
*/
message TxAckInputType {
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, only set for EXTERNAL inputs
optional uint32 sequence = 5 [default=0xffffffff]; // sequence
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
required uint64 amount = 8; // amount of previous transaction output
optional uint32 decred_tree = 9; // only for Decred
optional bytes witness = 13; // witness data, only set for EXTERNAL inputs
optional bytes ownership_proof = 14; // SLIP-0019 proof of ownership, only set for EXTERNAL inputs
optional bytes commitment_data = 15; // optional commitment data for the SLIP-0019 proof of ownership
}
/** Data type for transaction output to be signed.
* @embed
*/
message TxAckOutputType {
optional string address = 1; // destination address in Base58 encoding; script_type must be PAYTOADDRESS
repeated uint32 address_n = 2; // BIP-32 path to derive the destination (used for change addresses)
required uint64 amount = 3; // amount to spend in satoshis
optional OutputScriptType script_type = 4 [default=PAYTOADDRESS]; // 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
}
/** Data type for metadata about previous transaction which contains the UTXO being spent.
* @embed
*/
message TxAckPrevTxType {
required uint32 version = 1;
required uint32 lock_time = 4;
required uint32 inputs_count = 6;
required uint32 outputs_count = 7;
optional uint32 extra_data_len = 9 [default=0]; // only for Dash, Zcash
optional uint32 expiry = 10; // only for Decred and Zcash
optional uint32 version_group_id = 12; // only for Zcash, nVersionGroupId
optional uint32 timestamp = 13; // only for Peercoin
optional uint32 branch_id = 14; // only for Zcash, BRANCH_ID
}
/** Data type for inputs of previous transactions.
* @embed
*/
message TxAckPrevInputType {
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
required bytes script_sig = 4; // script signature
required uint32 sequence = 5; // sequence
optional uint32 decred_tree = 9; // only for Decred
}
/** Data type for outputs of previous transactions.
* @embed
*/
message TxAckPrevOutputType {
required uint64 amount = 1; // amount sent to this output
required bytes script_pubkey = 2; // scriptPubkey of this output
optional uint32 decred_script_version = 3; // only for Decred
}
/**
* Request: Data about input to be signed.
* Wire-alias of TxAck.
*
* @next TxRequest
*/
message TxAckInput {
option (wire_type) = 22;
required TxAckInputWrapper tx = 1;
message TxAckInputWrapper {
required TxAckInputType input = 2;
}
}
/**
* Request: Data about output to be signed.
* Wire-alias of TxAck.
*
* @next TxRequest
*/
message TxAckOutput {
option (wire_type) = 22;
required TxAckOutputWrapper tx = 1;
message TxAckOutputWrapper {
required TxAckOutputType output = 5;
}
}
/**
* Request: Data about previous transaction metadata
* Wire-alias of TxAck.
*
* @next TxRequest
*/
message TxAckPrevMeta {
option (wire_type) = 22;
required TxAckPrevTxType tx = 1;
}
/**
* Request: Data about previous transaction input
* Wire-alias of TxAck.
*
* @next TxRequest
*/
message TxAckPrevInput {
option (wire_type) = 22;
required TxAckPrevInputWrapper tx = 1;
message TxAckPrevInputWrapper {
required TxAckPrevInputType input = 2;
}
}
/**
* Request: Data about previous transaction output
* Wire-alias of TxAck.
*
* @next TxRequest
*/
message TxAckPrevOutput {
option (wire_type) = 22;
required TxAckPrevOutputWrapper tx = 1;
message TxAckPrevOutputWrapper {
required TxAckPrevOutputType output = 3;
}
}
/**
* Request: Content of the extra data of a previous transaction
* Wire-alias of TxAck.
*
* @next TxRequest
*/
message TxAckPrevExtraData {
option (wire_type) = 22;
required TxAckPrevExtraDataWrapper tx = 1;
message TxAckPrevExtraDataWrapper {
required bytes extra_data_chunk = 8;
}
}
/**
* Request: Ask device for a proof of ownership corresponding to address_n path
* @start
@ -287,9 +465,9 @@ message GetOwnershipProof {
optional string coin_name = 2 [default='Bitcoin']; // coin to use
optional InputScriptType script_type = 3 [default=SPENDWITNESS]; // used to distinguish between various scriptPubKey types
optional MultisigRedeemScriptType multisig = 4; // filled if proof is for a multisig address
optional bool user_confirmation = 5; // show a confirmation dialog and set the "user confirmation" bit in the proof
optional bool user_confirmation = 5 [default=false]; // show a confirmation dialog and set the "user confirmation" bit in the proof
repeated bytes ownership_ids = 6; // list of ownership identifiers in case of multisig
optional bytes commitment_data = 7; // additional data to which the proof should commit
optional bytes commitment_data = 7 [default='']; // additional data to which the proof should commit
}
/**