syntax = "proto2";

// Sugar for easier handling in Java
option java_package = "com.satoshilabs.trezor.lib.protobuf";
option java_outer_classname = "TrezorMessageTron";

/**
 * Request: Ask device for Tron address corresponding to address_n path
 * @start
 * @next TronAddress
 * @next Failure
 */
message TronGetAddress {
    repeated uint32 address_n = 1;  // BIP-32 path to derive the key from master node
    optional bool show_display = 2; // Optionally show on display before sending the result
}

/**
 * Response: Contains Tron address derived from device private seed
 * @end
 */
message TronAddress {
    optional string address = 1;                                // Tron address (base58)
}

/**
 * Request: Ask device to sign Tron transaction
 * @start
 * @next TronSignedTx
 */
message TronSignTx {
    repeated uint32 address_n = 1;                              // BIP-32 path to derive the key from master node
    // Common part of transaction
    optional bytes ref_block_bytes = 2;                         // Reference block number
    optional bytes ref_block_hash = 3;                          // Reference block hash
    optional uint64 expiration = 4;                             // Transaction expiration
    optional string data = 5;                                   // Extra transaction info
    optional TronContract contract = 6;                         // Contract messages
    optional uint64 timestamp = 7;                              // UTC timestamp

    /***
     * Tron Contracts Messages
     *
     */
    message TronContract {
        // Update account name
        message TronAccountUpdateContract {
            optional string account_name = 1;                   // Account name is not unique
        }
        // Transfer TRX
        message TronTransferContract {
            optional bytes to_address = 1;                      // To address - decoded base 58
            optional uint64 amount = 2;                         // TRX amount in sun (10^-6)
        }
        // Transfer asset
        message TronTransferAssetContract {
            optional string asset_name = 1;                     // Asset name
            optional bytes to_address = 2;                      // To address - decoded base 58
            optional uint64 amount = 3;                         // Amount to transfer
        }
        // Vote witness
        message TronVoteWitnessContract {
            message TronVote {
                optional bytes vote_address = 1;                // Candidate Address - decoded base 58
                optional uint64 vote_count = 2;                 // Amount of votes
            }
            repeated TronVote votes = 1;                        // votes
        }
        // Upgrade account to witness
        message TronWitnessCreateContract {
            optional string url = 1;                             // Witness URL
        }
        // Update witness URL
        message TronWitnessUpdateContract {
            optional string update_url = 2;                      // Witness URL
        }
        // Issue Asset
        message TronAssetIssueContract {
            message TronFrozenSupply {
                optional uint64 frozen_amount = 1;              // Amount frozen
                optional uint64 frozen_days = 2;                // Days from issue date
            }
            optional string name = 2;                           // Asset name
            optional string abbr = 3;                           // Asset abbreviation
            optional uint64 total_supply = 4;                   // Total supply including frozen
            repeated TronFrozenSupply frozen_supply = 5;        // Frozen supply
            optional uint32 trx_num = 6;                        // Amount of TRX (exchange ratio)
            optional uint32 num = 7;                            // Amount of tokens (exchange ratio)
            optional uint64 start_time = 8;                     // Negotiation start date and time
            optional uint64 end_time = 9;                       // Negotiation end date and time
            optional string description = 10;                   // Asset description
            optional string url = 11;                           // Asset URL
        }
        // Participate in an asset
        message TronParticipateAssetIssueContract {
            optional bytes to_address = 1;                      // Asset issuer address - decoded base 58
            optional string asset_name = 2;                     // The name of target asset
            optional uint64 amount = 3;                         // TRX amount in sun
        }
        // Freeze TRX balance
        message TronFreezeBalanceContract {
            optional uint64 frozen_balance = 1;                 // Amount to freeze
            optional uint64 frozen_duration = 2;                // Freeze minimal duration in days
        }
        // Unfreeze TRX Balance
        message TronUnfreezeBalanceContract {
        }
        // Unfreeze Asset Balance
        message TronUnfreezeAssetContract {
        }
        // Withdraw witness balance
        message TronWithdrawBalanceContract {
        }
        // Update Asset
        message TronUpdateAssetContract {
            optional string description = 1;                    // New description
            optional string url = 2;                            // New URL
        }
        // Network proposal contract
        message TronProposalCreateContract {
            message TronProposalParameters {
                optional uint64 key = 1;                        // Parameter key
                optional uint64 value = 2;                      // Parameter value
            }
            repeated TronProposalParameters parameters = 1;     // Parameter to be changed
        }
        // Approval contract
        message TronProposalApproveContract {
            optional uint64 proposal_id = 1;                    // Proposal ID
            optional bool is_add_approval = 2;                  // Add or remove approval
        }
        // Delete proposal
        message TronProposalDeleteContract {
            optional uint64 proposal_id = 1;                    // Proposal ID
        }
        optional TronTransferContract transfer_contract = 1;
        optional TronTransferAssetContract transfer_asset_contract = 2;
        optional TronVoteWitnessContract vote_witness_contract = 4;
        optional TronWitnessCreateContract witness_create_contract = 5;
        optional TronAssetIssueContract asset_issue_contract = 6;
        optional TronWitnessUpdateContract witness_update_contract = 8;
        optional TronParticipateAssetIssueContract participate_asset_issue_contract = 9;
        optional TronAccountUpdateContract account_update_contract = 10;
        optional TronFreezeBalanceContract freeze_balance_contract = 11;
        optional TronUnfreezeBalanceContract unfreeze_balance_contract = 12;
        optional TronWithdrawBalanceContract withdraw_balance_contract = 13;
        optional TronUnfreezeAssetContract unfreeze_asset_contract = 14;
        optional TronUpdateAssetContract update_asset_contract = 15;
        optional TronProposalCreateContract proposal_create_contract = 16;
        optional TronProposalApproveContract proposal_approve_contract = 17;
        optional TronProposalDeleteContract proposal_delete_contract = 18;
    }
}

/**
 * Response: Contains Tron transaction signature
 * @end
 */
message TronSignedTx {
    optional bytes signature = 1;                               // Transaction signature
    optional bytes serialized_tx = 2;                           // Serialized transaction
}