transaction.proto

syntax = "proto3";

package proto;

option go_package = "github.com/babylonchain/btc-staker/proto";

enum TransactionState {
    SENT_TO_BTC = 0;
    CONFIRMED_ON_BTC = 1;
    SENT_TO_BABYLON = 2;
    DELEGATION_ACTIVE = 3;
    UNBONDING_CONFIRMED_ON_BTC = 4;
    SPENT_ON_BTC = 5;
}

message WatchedTxData {
    bytes slashing_transaction = 1;
    bytes slashing_transaction_sig = 2;
    bytes staker_babylon_pk = 3;
    bytes staker_btc_pk = 4;
    // TODO: Consider improving data model as currently for watched transactions
    // unbonding_transaction and unbonding_time are duplicated with UnbondingTxData
    // which is stored in TrackedTransaction
    bytes unbonding_transaction = 5;
    bytes slashing_unbonding_transaction = 6;
    bytes slashing_unbonding_transaction_sig = 7;
    uint32 unbonding_time = 8;
}

// Contains information about btc confirmation
message BTCConfirmationInfo {
    uint32 block_height = 1;
    bytes block_hash = 2;
}

message CovenantSig {
    bytes covenant_sig = 1;
    bytes covenant_sig_btc_pk = 2;
}

message UnbondingTxData {
    bytes unbonding_transaction = 1;
    uint32 unbonding_time = 2;
    repeated CovenantSig covenant_signatures = 3;
    // this data is only filed if tracked transactions state is >= UNBONDING_CONFIRMED_ON_BTC,
    // and it is filled as last piece of information in unbonding process
    BTCConfirmationInfo unbonding_tx_btc_confirmation_info = 4;
}

message TrackedTransaction {
    // index of tracked transaction in database, first tracked transaction has index 1
    uint64 tracked_transaction_idx = 1;
    bytes staking_transaction = 2;
    uint32 staking_output_idx = 3;
    // address to retrive private key from connected wallet
    string staker_address = 4;
    // time lock on staking transaction
    uint32 staking_time = 5;
    // Public keys of finality providers to which we delegated
    repeated bytes finality_providers_btc_pks = 6;
    // this data is only filed if tracked transactions state is >= CONFIRMED_ON_BTC
    BTCConfirmationInfo staking_tx_btc_confirmation_info = 7;
    uint32 btc_sig_type = 8;
    bytes babylon_sig_btc_pk = 9;
    bytes btc_sig_babylon_sig = 10;
    TransactionState state = 11;
    bool watched = 12;
   // this data is only filled if tracked transactions state is >= SENT_TO_BABYLON
    UnbondingTxData unbonding_tx_data = 13;
}