syntax = "proto2"; package hw.trezor.messages.stellar; // Sugar for easier handling in Java option java_package = "com.satoshilabs.trezor.lib.protobuf"; option java_outer_classname = "TrezorMessageStellar"; // https://github.com/stellar/stellar-core/blob/02d26858069de7c0eefe065056fb0a19bf72ea56/src/xdr/Stellar-ledger-entries.x#L25-L31 enum StellarAssetType { NATIVE = 0; ALPHANUM4 = 1; ALPHANUM12 = 2; } /** * Describes a Stellar asset * @embed */ message StellarAsset { required StellarAssetType type = 1; optional string code = 2; // for non-native assets, string describing the code optional string issuer = 3; // issuing address } /** * Request: Address at the specified index * @start * @next StellarAddress */ message StellarGetAddress { repeated uint32 address_n = 1; // BIP-32 path. For compatibility with other wallets, must be m/44'/148'/index' optional bool show_display = 2; // optionally show on display before sending the result } /** * Response: Address for the given index * @end */ message StellarAddress { required string address = 1; // Address in Stellar format (base32 of a pubkey with checksum) } /** * Request: ask device to sign Stellar transaction * @start * @next StellarTxOpRequest */ message StellarSignTx { repeated uint32 address_n = 2; // BIP-32 path. For compatibility with other wallets, must be m/44'/148'/index' required string network_passphrase = 3; // passphrase for signing messages on the destination network required string source_account = 4; // source account address required uint32 fee = 5; // Fee (in stroops) for the transaction required uint64 sequence_number = 6; // transaction sequence number optional uint32 timebounds_start = 8; // unix timestamp (client must truncate this to 32 bytes) optional uint32 timebounds_end = 9; // unix timestamp (client must truncate this to 32 bytes) required StellarMemoType memo_type = 10; // type of memo attached to the transaction optional string memo_text = 11; // up to 28 characters (4 bytes are for length) optional uint64 memo_id = 12; // 8-byte uint64 optional bytes memo_hash = 13; // 32 bytes representing a hash required uint32 num_operations = 14; // number of operations in this transaction // https://github.com/stellar/stellar-core/blob/02d26858069de7c0eefe065056fb0a19bf72ea56/src/xdr/Stellar-transaction.x#L506-L513 enum StellarMemoType { NONE = 0; TEXT = 1; ID = 2; HASH = 3; RETURN = 4; } } /** * Response: device is ready for client to send the next operation * @next StellarPaymentOp * @next StellarCreateAccountOp * @next StellarPathPaymentOp * @next StellarManageOfferOp * @next StellarCreatePassiveOfferOp * @next StellarSetOptionsOp * @next StellarChangeTrustOp * @next StellarAllowTrustOp * @next StellarAccountMergeOp * @next StellarManageDataOp * @next StellarBumpSequenceOp */ message StellarTxOpRequest { } /** * Request: ask device to confirm this operation type * @next StellarTxOpRequest * @next StellarSignedTx */ message StellarPaymentOp { optional string source_account = 1; // (optional) source account address required string destination_account = 2; // destination account address required StellarAsset asset = 3; // asset involved in the operation required sint64 amount = 4; // amount of the given asset to pay } /** * Request: ask device to confirm this operation type * @next StellarTxOpRequest * @next StellarSignedTx */ message StellarCreateAccountOp { optional string source_account = 1; // (optional) source account address required string new_account = 2; // account address to create required sint64 starting_balance = 3; // initial starting balance for the new account } /** * Request: ask device to confirm this operation type * @next StellarTxOpRequest * @next StellarSignedTx */ message StellarPathPaymentOp { optional string source_account = 1; // (optional) source address required StellarAsset send_asset = 2; required sint64 send_max = 3; required string destination_account = 4; required StellarAsset destination_asset = 5; required sint64 destination_amount = 6; repeated StellarAsset paths = 7; } /** * Request: ask device to confirm this operation type * @next StellarTxOpRequest * @next StellarSignedTx */ message StellarManageOfferOp { optional string source_account = 1; // (optional) source account address required StellarAsset selling_asset = 2; required StellarAsset buying_asset = 3; required sint64 amount = 4; required uint32 price_n = 5; // Price numerator required uint32 price_d = 6; // Price denominator required uint64 offer_id = 7; // Offer ID for updating an existing offer } /** * Request: ask device to confirm this operation type * @next StellarTxOpRequest * @next StellarSignedTx */ message StellarCreatePassiveOfferOp { optional string source_account = 1; // (optional) source account address required StellarAsset selling_asset = 2; required StellarAsset buying_asset = 3; required sint64 amount = 4; required uint32 price_n = 5; // Price numerator required uint32 price_d = 6; // Price denominator } /** * Request: ask device to confirm this operation type * @next StellarTxOpRequest * @next StellarSignedTx */ message StellarSetOptionsOp { optional string source_account = 1; // (optional) source account address optional string inflation_destination_account = 2; // (optional) inflation destination address optional uint32 clear_flags = 3; optional uint32 set_flags = 4; optional uint32 master_weight = 5; optional uint32 low_threshold = 6; optional uint32 medium_threshold = 7; optional uint32 high_threshold = 8; optional string home_domain = 9; optional StellarSignerType signer_type = 10; optional bytes signer_key = 11; optional uint32 signer_weight = 12; // https://github.com/stellar/stellar-core/blob/02d26858069de7c0eefe065056fb0a19bf72ea56/src/xdr/Stellar-types.x#L32-L37 enum StellarSignerType { ACCOUNT = 0; PRE_AUTH = 1; HASH = 2; } } /** * Request: ask device to confirm this operation type * @next StellarTxOpRequest * @next StellarSignedTx */ message StellarChangeTrustOp { optional string source_account = 1; // (optional) source account address required StellarAsset asset = 2; required uint64 limit = 3; } /** * Request: ask device to confirm this operation type * @next StellarTxOpRequest * @next StellarSignedTx */ message StellarAllowTrustOp { optional string source_account = 1; // (optional) source account address required string trusted_account = 2; // The account being allowed to hold the asset required StellarAssetType asset_type = 3; optional string asset_code = 4; // human-readable asset code required bool is_authorized = 5; } /** * Request: ask device to confirm this operation type * @next StellarTxOpRequest * @next StellarSignedTx */ message StellarAccountMergeOp { optional string source_account = 1; // (optional) source account address required string destination_account = 2; // destination account address } /** * Request: ask device to confirm this operation type * @next StellarTxOpRequest * @next StellarSignedTx */ message StellarManageDataOp { optional string source_account = 1; // (optional) source account address required string key = 2; optional bytes value = 3; // 64 bytes of arbitrary data } /** * Request: ask device to confirm this operation type * @next StellarTxOpRequest * @next StellarSignedTx */ message StellarBumpSequenceOp { optional string source_account = 1; // (optional) source account address required uint64 bump_to = 2; // new sequence number } /** * Response: signature for transaction * @end */ message StellarSignedTx { required bytes public_key = 1; // public key for the private key used to sign data required bytes signature = 2; // signature suitable for sending to the Stellar network }