mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-18 13:38:12 +00:00
e3ea32a986
Add two new input and four output script types. Decred ticket purchases consist of a stake submission, op returns, and change addresses. Although change addresses are allowed by consensus, they are no longer used in practice and so have been given the restrictions of a null pubkey and no value. Stake scripts are almost identical to p2pkh or p2sh except for an extra opcode in front. Inputs are currently only used in the form of one input three outputs with the first output, or stake submission, paying to a public key hash, or with two inputs and five outputs with the stake submission paying to a multisig script hash. The op returns are directed to the user in the case of one and the voting service provider and user in the case of two. One of the sstx commitment for a ticket must pay back to the trezor wallet. This is checked and an error is thrown if we don't find the expected public key hash. Because this adds the ability to create new types of outputs once the ticket votes, two new input script types are also needed. A successful vote will lead to a stake generation script that must be spent, and an unsuccessful vote will lead to a revocation script that must be spent. If we allowed stake change scripts to have a valid pubkey, that too would require another op code, but we disallow those for output.
562 lines
25 KiB
Protocol Buffer
562 lines
25 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.proto";
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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 input
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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 script which will be used for transaction output
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*/
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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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* Type of script which will be used for decred stake transaction input
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*/
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enum DecredStakingSpendType {
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SSGen = 0;
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SSRTX = 1;
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}
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/**
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* Unit to be used when showing amounts on the display
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*/
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enum AmountUnit {
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BITCOIN = 0; // BTC
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MILLIBITCOIN = 1; // mBTC
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MICROBITCOIN = 2; // uBTC
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SATOSHI = 3; // sat
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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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required uint32 m = 3; // "m" from n, how many valid signatures is necessary for spending
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repeated 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 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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optional bool ignore_xpub_magic = 6; // ignore SLIP-0132 XPUB magic, use xpub/tpub prefix for all account types
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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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required common.HDNodeType node = 1; // BIP32 public node
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required string xpub = 2; // serialized form of public node
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optional uint32 root_fingerprint = 3; // master root node fingerprint
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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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optional bool ignore_xpub_magic = 6; // ignore SLIP-0132 XPUB magic, use xpub/tpub prefix for all account types
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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 for ownership identifier corresponding to scriptPubKey for address_n path
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* @start
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* @next OwnershipId
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* @next Failure
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*/
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message GetOwnershipId {
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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 MultisigRedeemScriptType multisig = 3; // filled if we are dealing with a multisig scriptPubKey
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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: Contains the ownership identifier for the scriptPubKey and device private seed
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* @end
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*/
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message OwnershipId {
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required bytes ownership_id = 1; // ownership identifier
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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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required string address = 1; // address used to sign the message
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required 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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required string address = 1; // address to verify
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required bytes signature = 2; // signature to verify
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required 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 [deprecated=true]; // deprecated in 2.3.2, the field is not needed as it can be derived from `version`
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optional uint32 version_group_id = 8; // only for Zcash, nVersionGroupId
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optional uint32 timestamp = 9; // only for Peercoin
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optional uint32 branch_id = 10; // only for Zcash, BRANCH_ID
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optional AmountUnit amount_unit = 11 [default=BITCOIN]; // show amounts in
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optional bool decred_staking_ticket = 12 [default=false]; // only for Decred, this is signing a ticket purchase
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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<any> matching the 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 TxAckInput
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* @next TxAckOutput
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* @next TxAckPrevMeta
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* @next TxAckPrevInput
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* @next TxAckPrevOutput
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* @next TxAckPrevExtraData
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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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TXORIGINPUT = 5;
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TXORIGOUTPUT = 6;
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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 (only for Dash, Zcash)
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optional uint32 extra_data_offset = 4; // offset of requested extra data (only for Dash, Zcash)
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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 (legacy)
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*
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* This message contains all possible field that can be sent in response to a TxRequest.
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* Depending on the request_type, the host is supposed to fill some of these fields.
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*
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* The interface is wire-compatible with the new method of specialized TxAck subtypes,
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* so it can be used in the old way. However, it is now recommended to use more
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* specialized messages, which have better-configured constraints on field values.
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*
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* @next TxRequest
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*/
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message TxAck {
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option deprecated = true;
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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 Dash, Zcash
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optional uint32 extra_data_len = 9; // only for Dash, Zcash
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optional uint32 expiry = 10; // only for Decred and Zcash
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optional bool overwintered = 11 [deprecated=true]; // Zcash only; deprecated in 2.3.2, the field is not needed, it can be derived from `version`
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optional uint32 version_group_id = 12; // only for Zcash, nVersionGroupId
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optional uint32 timestamp = 13; // only for Peercoin
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optional uint32 branch_id = 14; // only for Zcash, BRANCH_ID
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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, 0 is a normal transaction while 1 is a stake transaction
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// optional uint32 decred_script_version = 10; // only for Decred // deprecated -> only 0 is supported
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// optional bytes prev_block_hash_bip115 = 11; // BIP-115 support dropped
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// optional uint32 prev_block_height_bip115 = 12; // BIP-115 support dropped
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optional bytes witness = 13; // witness data, only set for EXTERNAL inputs
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optional bytes ownership_proof = 14; // SLIP-0019 proof of ownership, only set for EXTERNAL inputs
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optional bytes commitment_data = 15; // optional commitment data for the SLIP-0019 proof of ownership
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optional bytes orig_hash = 16; // tx_hash of the original transaction where this input was spent (used when creating a replacement transaction)
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optional uint32 orig_index = 17; // index of the input in the original transaction (used when creating a replacement transaction)
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optional DecredStakingSpendType decred_staking_spend = 18; // if not None this holds the type of stake spend: revocation or stake generation
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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, currently only 0 is supported
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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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optional OutputScriptType script_type = 4 [default=PAYTOADDRESS]; // 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 // deprecated -> only 0 is supported
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// optional bytes block_hash_bip115 = 8; // BIP-115 support dropped
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// optional uint32 block_height_bip115 = 9; // BIP-115 support dropped
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optional bytes orig_hash = 10; // tx_hash of the original transaction where this output was present (used when creating a replacement transaction)
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optional uint32 orig_index = 11; // index of the output in the original transaction (used when creating a replacement transaction)
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}
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}
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}
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/** Data type for transaction input to be signed.
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*
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* When adding fields, take care to not conflict with PrevInput
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*
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* @embed
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*/
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message TxInput {
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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, only set for EXTERNAL inputs
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optional uint32 sequence = 5 [default=0xffffffff]; // sequence
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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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required uint64 amount = 8; // amount of previous transaction output
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optional uint32 decred_tree = 9; // only for Decred, 0 is a normal transaction while 1 is a stake transaction
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reserved 10, 11, 12; // fields which are in use, or have been in the past, in TxInputType
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optional bytes witness = 13; // witness data, only set for EXTERNAL inputs
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optional bytes ownership_proof = 14; // SLIP-0019 proof of ownership, only set for EXTERNAL inputs
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optional bytes commitment_data = 15; // optional commitment data for the SLIP-0019 proof of ownership
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optional bytes orig_hash = 16; // tx_hash of the original transaction where this input was spent (used when creating a replacement transaction)
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optional uint32 orig_index = 17; // index of the input in the original transaction (used when creating a replacement transaction)
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optional DecredStakingSpendType decred_staking_spend = 18; // if not None this holds the type of stake spend: revocation or stake generation
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}
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/** Data type for transaction output to be signed.
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* @embed
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*/
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message TxOutput {
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optional string address = 1; // destination address in Base58 encoding; script_type must be PAYTOADDRESS
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repeated uint32 address_n = 2; // BIP-32 path to derive the destination (used for change addresses)
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required uint64 amount = 3; // amount to spend in satoshis
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optional OutputScriptType script_type = 4 [default=PAYTOADDRESS]; // 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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reserved 7, 8, 9; // fields which are in use, or have been in the past, in TxOutputType
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optional bytes orig_hash = 10; // tx_hash of the original transaction where this output was present (used when creating a replacement transaction)
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optional uint32 orig_index = 11; // index of the output in the original transaction (used when creating a replacement transaction)
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}
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/** Data type for metadata about previous transaction which contains the UTXO being spent.
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* @embed
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*/
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message PrevTx {
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required uint32 version = 1;
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required uint32 lock_time = 4;
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required uint32 inputs_count = 6;
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required uint32 outputs_count = 7;
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optional uint32 extra_data_len = 9 [default=0]; // only for Dash, Zcash
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optional uint32 expiry = 10; // only for Decred and Zcash
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optional uint32 version_group_id = 12; // only for Zcash, nVersionGroupId
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optional uint32 timestamp = 13; // only for Peercoin
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optional uint32 branch_id = 14; // only for Zcash, BRANCH_ID
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// fields which are in use, or have been in the past, in TransactionType
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reserved 2, 3, 5, 8, 11;
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}
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/** Data type for inputs of previous transactions.
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*
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* When adding fields, take care to not conflict with TxInput
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* @embed
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*/
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message PrevInput {
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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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required bytes script_sig = 4; // script signature
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required uint32 sequence = 5; // sequence
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optional uint32 decred_tree = 9; // only for Decred
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// fields that are in use, or have been in the past, in TxInputType
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reserved 1, 6, 7, 8, 10, 11, 12, 13, 14, 15;
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}
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/** Data type for outputs of previous transactions.
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* @embed
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*/
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message PrevOutput {
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required uint64 amount = 1; // amount sent to this output
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required bytes script_pubkey = 2; // scriptPubkey of this output
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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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* Request: Data about input to be signed.
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* Wire-alias of TxAck.
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*
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* Do not edit this type without considering compatibility with TxAck.
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* Prefer to modify the inner TxInput type.
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*
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* @next TxRequest
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*/
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message TxAckInput {
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option (wire_type) = 22;
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required TxAckInputWrapper tx = 1;
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message TxAckInputWrapper {
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required TxInput input = 2;
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}
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}
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/**
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* Request: Data about output to be signed.
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* Wire-alias of TxAck.
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*
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* Do not edit this type without considering compatibility with TxAck.
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* Prefer to modify the inner TxOutput type.
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*
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* @next TxRequest
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*/
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message TxAckOutput {
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option (wire_type) = 22;
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required TxAckOutputWrapper tx = 1;
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message TxAckOutputWrapper {
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required TxOutput output = 5;
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}
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}
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/**
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* Request: Data about previous transaction metadata
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* Wire-alias of TxAck.
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*
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* Do not edit this type without considering compatibility with TxAck.
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* Prefer to modify the inner PrevTx type.
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*
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* @next TxRequest
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*/
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message TxAckPrevMeta {
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option (wire_type) = 22;
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required PrevTx tx = 1;
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}
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|
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/**
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* Request: Data about previous transaction input
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* Wire-alias of TxAck.
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|
*
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|
* Do not edit this type without considering compatibility with TxAck.
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* Prefer to modify the inner PrevInput type.
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*
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* @next TxRequest
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*/
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message TxAckPrevInput {
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option (wire_type) = 22;
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|
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required TxAckPrevInputWrapper tx = 1;
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message TxAckPrevInputWrapper {
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required PrevInput input = 2;
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|
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}
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}
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|
|
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/**
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* Request: Data about previous transaction output
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|
* Wire-alias of TxAck.
|
|
*
|
|
* Do not edit this type without considering compatibility with TxAck.
|
|
* Prefer to modify the inner PrevOutput type.
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|
*
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* @next TxRequest
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|
*/
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message TxAckPrevOutput {
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option (wire_type) = 22;
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|
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required TxAckPrevOutputWrapper tx = 1;
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|
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message TxAckPrevOutputWrapper {
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required PrevOutput output = 3;
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}
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}
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|
|
|
/**
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|
* Request: Content of the extra data of a previous transaction
|
|
* Wire-alias of TxAck.
|
|
*
|
|
* Do not edit this type without considering compatibility with TxAck.
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|
*
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* @next TxRequest
|
|
*/
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message TxAckPrevExtraData {
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option (wire_type) = 22;
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|
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required TxAckPrevExtraDataWrapper tx = 1;
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|
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message TxAckPrevExtraDataWrapper {
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|
required bytes extra_data_chunk = 8;
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}
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}
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|
|
|
/**
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* Request: Ask device for a proof of ownership corresponding to address_n path
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* @start
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* @next OwnershipProof
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* @next Failure
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|
*/
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|
message GetOwnershipProof {
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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 InputScriptType script_type = 3 [default=SPENDWITNESS]; // used to distinguish between various scriptPubKey types
|
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optional MultisigRedeemScriptType multisig = 4; // filled if proof is for a multisig address
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optional bool user_confirmation = 5 [default=false]; // show a confirmation dialog and set the "user confirmation" bit in the proof
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repeated bytes ownership_ids = 6; // list of ownership identifiers in case of multisig
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optional bytes commitment_data = 7 [default='']; // additional data to which the proof should commit
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}
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|
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/**
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* Response: Contains the proof of ownership
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* @end
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*/
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message OwnershipProof {
|
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required bytes ownership_proof = 1; // SLIP-0019 proof of ownership
|
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required bytes signature = 2; // signature of the proof
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}
|
|
|
|
/**
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|
* Request: Ask device to prompt the user to authorize a CoinJoin transaction
|
|
* @start
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* @next Success
|
|
* @next Failure
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|
*/
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|
message AuthorizeCoinJoin {
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|
option (unstable) = true;
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|
|
|
required string coordinator = 1; // coordinator identifier to approve as a prefix in commitment data (max. 18 ASCII characters)
|
|
required uint64 max_total_fee = 2; // maximum total fees
|
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optional uint32 fee_per_anonymity = 3; // fee per anonymity set in units of 10^-9 percent
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repeated uint32 address_n = 4; // prefix of the BIP-32 path leading to the account (m / purpose' / coin_type' / account')
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optional string coin_name = 5 [default='Bitcoin']; // coin to use
|
|
optional InputScriptType script_type = 6 [default=SPENDADDRESS]; // used to distinguish between various address formats (non-segwit, segwit, etc.)
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optional AmountUnit amount_unit = 11 [default=BITCOIN]; // show amounts in
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}
|