mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-24 15:28:10 +00:00
252 lines
12 KiB
Protocol Buffer
252 lines
12 KiB
Protocol Buffer
syntax = "proto2";
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package hw.trezor.messages.bitcoin;
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// Sugar for easier handling in Java
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option java_package = "com.satoshilabs.trezor.lib.protobuf";
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option java_outer_classname = "TrezorMessageBitcoin";
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import "messages-common.proto";
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/**
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* Type of script which will be used for transaction output
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*/
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enum InputScriptType {
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SPENDADDRESS = 0; // standard P2PKH address
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SPENDMULTISIG = 1; // P2SH multisig address
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EXTERNAL = 2; // reserved for external inputs (coinjoin)
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SPENDWITNESS = 3; // native SegWit
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SPENDP2SHWITNESS = 4; // SegWit over P2SH (backward compatible)
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}
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/**
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* Type of redeem script used in input
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* @embed
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*/
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message MultisigRedeemScriptType {
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repeated HDNodePathType pubkeys = 1; // pubkeys from multisig address (sorted lexicographically)
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repeated bytes signatures = 2; // existing signatures for partially signed input
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optional uint32 m = 3; // "m" from n, how many valid signatures is necessary for spending
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repeated hw.trezor.messages.common.HDNodeType nodes = 4; // simplified way how to specify pubkeys if they share the same address_n path
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repeated uint32 address_n = 5; // use only field 1 or fields 4+5, if fields 4+5 are used, field 1 is ignored
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/**
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* Structure representing HDNode + Path
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*/
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message HDNodePathType {
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required hw.trezor.messages.common.HDNodeType node = 1; // BIP-32 node in deserialized form
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repeated uint32 address_n = 2; // BIP-32 path to derive the key from node
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}
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}
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/**
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* Request: Ask device for public key corresponding to address_n path
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* @start
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* @next PublicKey
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* @next Failure
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*/
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message GetPublicKey {
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repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
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optional string ecdsa_curve_name = 2; // ECDSA curve name to use
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optional bool show_display = 3; // optionally show on display before sending the result
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optional string coin_name = 4 [default='Bitcoin']; // coin to use for verifying
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optional InputScriptType script_type = 5 [default=SPENDADDRESS]; // used to distinguish between various address formats (non-segwit, segwit, etc.)
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}
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/**
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* Response: Contains public key derived from device private seed
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* @end
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*/
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message PublicKey {
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optional hw.trezor.messages.common.HDNodeType node = 1; // BIP32 public node
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optional string xpub = 2; // serialized form of public node
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}
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/**
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* Request: Ask device for address corresponding to address_n path
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* @start
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* @next Address
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* @next Failure
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*/
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message GetAddress {
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repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
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optional string coin_name = 2 [default='Bitcoin']; // coin to use
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optional bool show_display = 3; // optionally show on display before sending the result
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optional MultisigRedeemScriptType multisig = 4; // filled if we are showing a multisig address
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optional InputScriptType script_type = 5 [default=SPENDADDRESS]; // used to distinguish between various address formats (non-segwit, segwit, etc.)
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}
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/**
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* Response: Contains address derived from device private seed
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* @end
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*/
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message Address {
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required string address = 1; // Coin address in Base58 encoding
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}
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/**
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* Request: Ask device to sign message
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* @start
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* @next MessageSignature
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* @next Failure
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*/
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message SignMessage {
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repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
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required bytes message = 2; // message to be signed
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optional string coin_name = 3 [default='Bitcoin']; // coin to use for signing
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optional InputScriptType script_type = 4 [default=SPENDADDRESS]; // used to distinguish between various address formats (non-segwit, segwit, etc.)
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}
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/**
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* Response: Signed message
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* @end
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*/
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message MessageSignature {
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optional string address = 1; // address used to sign the message
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optional bytes signature = 2; // signature of the message
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}
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/**
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* Request: Ask device to verify message
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* @start
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* @next Success
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* @next Failure
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*/
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message VerifyMessage {
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optional string address = 1; // address to verify
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optional bytes signature = 2; // signature to verify
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optional bytes message = 3; // message to verify
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optional string coin_name = 4 [default='Bitcoin']; // coin to use for verifying
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}
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/**
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* Request: Ask device to sign transaction
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* @start
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* @next TxRequest
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* @next Failure
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*/
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message SignTx {
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required uint32 outputs_count = 1; // number of transaction outputs
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required uint32 inputs_count = 2; // number of transaction inputs
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optional string coin_name = 3 [default='Bitcoin']; // coin to use
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optional uint32 version = 4 [default=1]; // transaction version
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optional uint32 lock_time = 5 [default=0]; // transaction lock_time
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optional uint32 expiry = 6; // only for Decred and Zcash
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optional bool overwintered = 7; // only for Zcash
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optional uint32 version_group_id = 8; // only for Zcash, nVersionGroupId when overwintered is set
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optional uint32 timestamp = 9; // only for Capricoin, transaction timestamp
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optional uint32 branch_id = 10; // only for Zcash, BRANCH_ID when overwintered is set
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}
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/**
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* Response: Device asks for information for signing transaction or returns the last result
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* If request_index is set, device awaits TxAck message (with fields filled in according to request_type)
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* If signature_index is set, 'signature' contains signed input of signature_index's input
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* @end
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* @next TxAck
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*/
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message TxRequest {
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optional RequestType request_type = 1; // what should be filled in TxAck message?
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optional TxRequestDetailsType details = 2; // request for tx details
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optional TxRequestSerializedType serialized = 3; // serialized data and request for next
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/**
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* Type of information required by transaction signing process
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*/
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enum RequestType {
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TXINPUT = 0;
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TXOUTPUT = 1;
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TXMETA = 2;
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TXFINISHED = 3;
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TXEXTRADATA = 4;
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}
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/**
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* Structure representing request details
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*/
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message TxRequestDetailsType {
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optional uint32 request_index = 1; // device expects TxAck message from the computer
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optional bytes tx_hash = 2; // tx_hash of requested transaction
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optional uint32 extra_data_len = 3; // length of requested extra data
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optional uint32 extra_data_offset = 4; // offset of requested extra data
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}
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/**
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* Structure representing serialized data
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*/
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message TxRequestSerializedType {
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optional uint32 signature_index = 1; // 'signature' field contains signed input of this index
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optional bytes signature = 2; // signature of the signature_index input
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optional bytes serialized_tx = 3; // part of serialized and signed transaction
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}
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}
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/**
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* Request: Reported transaction data
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* @next TxRequest
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*/
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message TxAck {
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optional TransactionType tx = 1;
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/**
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* Structure representing transaction
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*/
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message TransactionType {
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optional uint32 version = 1;
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repeated TxInputType inputs = 2;
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repeated TxOutputBinType bin_outputs = 3;
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optional uint32 lock_time = 4;
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repeated TxOutputType outputs = 5;
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optional uint32 inputs_cnt = 6;
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optional uint32 outputs_cnt = 7;
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optional bytes extra_data = 8; // only for Zcash
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optional uint32 extra_data_len = 9; // only for Zcash
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optional uint32 expiry = 10; // only for Decred and Zcash
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optional bool overwintered = 11; // only for Zcash
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optional uint32 version_group_id = 12; // only for Zcash, nVersionGroupId when overwintered is set
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optional uint32 timestamp = 13; // only for Capricoin, transaction timestamp
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optional uint32 branch_id = 14; // only for Zcash, BRANCH_ID when overwintered is set
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/**
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* Structure representing transaction input
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*/
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message TxInputType {
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repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
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required bytes prev_hash = 2; // hash of previous transaction output to spend by this input
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required uint32 prev_index = 3; // index of previous output to spend
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optional bytes script_sig = 4; // script signature, unset for tx to sign
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optional uint32 sequence = 5 [default=4294967295]; // sequence (default=0xffffffff)
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optional InputScriptType script_type = 6 [default=SPENDADDRESS]; // defines template of input script
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optional MultisigRedeemScriptType multisig = 7; // Filled if input is going to spend multisig tx
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optional uint64 amount = 8; // amount of previous transaction output (for segwit only)
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optional uint32 decred_tree = 9; // only for Decred
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optional uint32 decred_script_version = 10; // only for Decred
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optional bytes prev_block_hash_bip115 = 11; // block hash of previous transaction output (for bip115 implementation)
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optional uint32 prev_block_height_bip115 = 12; // block height of previous transaction output (for bip115 implementation)
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}
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/**
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* Structure representing compiled transaction output
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*/
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message TxOutputBinType {
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required uint64 amount = 1;
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required bytes script_pubkey = 2;
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optional uint32 decred_script_version = 3; // only for Decred
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}
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/**
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* Structure representing transaction output
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*/
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message TxOutputType {
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optional string address = 1; // target coin address in Base58 encoding
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repeated uint32 address_n = 2; // BIP-32 path to derive the key from master node; has higher priority than "address"
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required uint64 amount = 3; // amount to spend in satoshis
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required OutputScriptType script_type = 4; // output script type
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optional MultisigRedeemScriptType multisig = 5; // defines multisig address; script_type must be PAYTOMULTISIG
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optional bytes op_return_data = 6; // defines op_return data; script_type must be PAYTOOPRETURN, amount must be 0
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optional uint32 decred_script_version = 7; // only for Decred
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optional bytes block_hash_bip115 = 8; // block hash of existing block (recommended current_block - 300) (for bip115 implementation)
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optional uint32 block_height_bip115 = 9; // block height of existing block (recommended current_block - 300) (for bip115 implementation)
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enum OutputScriptType {
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PAYTOADDRESS = 0; // used for all addresses (bitcoin, p2sh, witness)
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PAYTOSCRIPTHASH = 1; // p2sh address (deprecated; use PAYTOADDRESS)
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PAYTOMULTISIG = 2; // only for change output
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PAYTOOPRETURN = 3; // op_return
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PAYTOWITNESS = 4; // only for change output
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PAYTOP2SHWITNESS = 5; // only for change output
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}
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}
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}
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}
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