syntax = "proto3";

enum ProofType {
    AuthorityRound = 0;
    Raft = 1;
    Bft = 2;
}

message Proof {
    bytes content = 1; 
    ProofType type = 2;
}

message BlockHeader {
    bytes prevhash = 1;
    uint64 timestamp = 2;
    uint64 height = 3;
    bytes state_root = 4;
    bytes transactions_root = 5;
    bytes receipts_root = 6;
    uint64 gas_used = 7;
    uint64 gas_limit = 8;
    Proof proof = 9;
    bytes proposer = 10;
}

message Status {
    bytes hash = 1;
    uint64 height = 2;
}

message AccountGasLimit {
    uint64 common_gas_limit = 1;
    map<string,uint64> specific_gas_limit = 2;
}

message RichStatus {
    bytes hash = 1;
    uint64 height = 2;
    repeated bytes nodes = 3;
    uint64 interval = 4;
}

enum Crypto {
    SECP = 0;
    SM2 = 1; 
}

message Transaction {
    string to = 1;
    string nonce = 2;
    uint64 quota = 3;
    uint64 valid_until_block = 4;
    bytes data = 5;
    bytes value = 6;
    uint32 chain_id = 7;
    uint32 version = 8;
}

message UnverifiedTransaction {
    Transaction transaction = 1;
    bytes signature = 2;
    Crypto crypto = 3;
}

message SignedTransaction {
    UnverifiedTransaction transaction_with_sig = 1;
    // SignedTransaction hash
    bytes tx_hash = 2;
    // public key
    bytes signer = 3;
}

// data precompile API

message BlockBody {
    repeated SignedTransaction transactions = 1;
}

message Block {
    uint32 version = 1;
    BlockHeader header = 2;
    BlockBody body = 3;
}

message BlockWithProof {
    Block blk = 1;
    Proof proof = 2;
}

message BlockTxs {
    uint64 height = 1;
    BlockBody body = 3;
}

message BlackList {
    // black list of address, the account that sent the transaction does not have enough gas
    repeated bytes black_list = 1;
    // clear list of address
    repeated bytes clear_list = 2;
}

// State positioning signal
message StateSignal {
    uint64 height = 1;
}