syntax = "proto3";

package bdledger.api.txledger;

import "bdledger/api/common.proto";

option go_package = "bdware.org/bdledger/sdk/api/grpc/txledger";
option java_package = "bdledger.api.grpc.txledger";
option java_outer_classname = "TransactionLedgerProto";
option java_multiple_files = true;

service Query {
    rpc GetBlocks (BlocksRequest) returns (GetBlocksResponse);
    rpc CountBlocks (BlocksRequest) returns (CountBlocksResponse);
    rpc GetTransactions(TransactionsRequest) returns (GetTransactionsResponse);
    rpc CountTransactions(TransactionsRequest) returns (CountTransactionsResponse);
    rpc GetBlockByHash (GetBlockByHashRequest) returns (GetBlockByHashResponse);
    rpc GetTransactionByHash (GetTransactionByHashRequest) returns (GetTransactionByHashResponse);
    rpc GetTransactionByBlockHashAndIndex (GetTransactionByBlockHashAndIndexRequest) returns (GetTransactionByBlockHashAndIndexResponse);
}

// repeated Transaction/BlockFilters are combined by "&&"(and) operator;
message TransactionFilter {
    bytes hash = 1;
    bytes from = 2;
    bytes to = 3;
    bytes timestamp = 4;
}

message BlockFilter {
    bytes hash = 1;
    int64 timestamp = 2;
}

message BlocksRequest {
    string ledger = 1;
    repeated BlockFilter filters = 2;
    required int64 start_timestamp = 3;
    int64 end_timestamp = 4;
}
message GetBlocksResponse {
    repeated common.Block blocks= 1;
    int64 start_timestamp = 2;
    int64 end_timestamp = 3;
}
message CountBlocksResponse {
    uint64 count = 1;
}

message TransactionsRequest {
    string ledger = 1;
    repeated TransactionFilter filters = 2;
    required int64 start_timestamp = 3;
    int64 end_timestamp = 4;
}
message GetTransactionsResponse {
    repeated common.Transaction Transactions = 1;
    int64 start_timestamp = 2;
    int64 end_timestamp = 3;
}
message CountTransactionsResponse {
    uint64 count = 1;
}

message GetBlockByHashRequest {
    string ledger = 1;
    bytes hash = 2;
    bool full_transaction = 3;
}
message GetBlockByHashResponse {
    common.Block block = 1;
}

message GetTransactionByHashRequest {
    string ledger = 1;
    bytes hash = 2;
}
message GetTransactionByHashResponse {
    common.Transaction transaction = 1;
}

message GetTransactionByBlockHashAndIndexRequest {
    string ledger = 1;
    bytes block_hash = 2;
    uint32 index = 3;
}
message GetTransactionByBlockHashAndIndexResponse {
    common.Transaction transaction = 1;
}