unit test for btc tx serialization
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gladcow
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866e9b6158
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3 changed files with 111 additions and 81 deletions
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@ -169,88 +169,59 @@ bytes signature_for_raw_transaction(const bytes& unsigned_tx, const fc::ecc::pri
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return bytes(res.begin(), res.begin() + res.size());
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}
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struct btc_outpoint
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bytes btc_tx::to_bytes() const
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{
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fc::uint256 hash;
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uint32_t n;
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};
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struct btc_in
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{
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btc_outpoint prevout;
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bytes scriptSig;
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uint32_t nSequence;
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bytes scriptWitness;
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};
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struct btc_out
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{
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int64_t nValue;
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bytes scriptPubKey;
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};
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struct btc_tx
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{
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std::vector<btc_in> vin;
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std::vector<btc_out> vout;
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int32_t nVersion;
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uint32_t nLockTime;
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bool hasWitness;
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bytes to_bytes() const
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bytes res;
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WriteBytesStream str(res);
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str.add(nVersion);
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if(hasWitness)
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{
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bytes res;
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WriteBytesStream str(res);
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str.add(nVersion);
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if(hasWitness)
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{
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std::vector<btc_in> dummy;
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fc::raw::pack(str, dummy);
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unsigned char flags = 1;
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str.put(flags);
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}
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fc::raw::pack(str, vin);
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fc::raw::pack(str, vout);
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if(hasWitness)
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{
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for(const auto& in: vin)
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fc::raw::pack(str, in.scriptWitness);
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}
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str.add(nLockTime);
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return res;
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std::vector<btc_in> dummy;
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fc::raw::pack(str, dummy);
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unsigned char flags = 1;
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str.put(flags);
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}
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void fill_from_bytes(const bytes& data)
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fc::raw::pack(str, vin);
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fc::raw::pack(str, vout);
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if(hasWitness)
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{
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ReadBytesStream ds( data );
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ds.direct_read(nVersion);
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unsigned char flags = 0;
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vin.clear();
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vout.clear();
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hasWitness = false;
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/* Try to read the vin. In case the dummy is there, this will be read as an empty vector. */
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fc::raw::unpack(ds, vin);
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if (vin.size() == 0) {
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/* We read a dummy or an empty vin. */
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ds.get(flags);
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if (flags != 0) {
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fc::raw::unpack(ds, vin);
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fc::raw::unpack(ds, vout);
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hasWitness = true;
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}
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} else {
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/* We read a non-empty vin. Assume a normal vout follows. */
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fc::raw::unpack(ds, vout);
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}
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if (hasWitness) {
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/* The witness flag is present, and we support witnesses. */
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for (size_t i = 0; i < vin.size(); i++) {
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fc::raw::unpack(ds, vin[i].scriptWitness);
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}
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}
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ds.direct_read(nLockTime);
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for(const auto& in: vin)
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fc::raw::pack(str, in.scriptWitness);
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}
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};
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str.add(nLockTime);
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return res;
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}
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void btc_tx::fill_from_bytes(const bytes& data)
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{
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ReadBytesStream ds( data );
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ds.direct_read(nVersion);
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unsigned char flags = 0;
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vin.clear();
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vout.clear();
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hasWitness = false;
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/* Try to read the vin. In case the dummy is there, this will be read as an empty vector. */
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fc::raw::unpack(ds, vin);
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if (vin.size() == 0) {
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/* We read a dummy or an empty vin. */
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ds.get(flags);
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if (flags != 0) {
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fc::raw::unpack(ds, vin);
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fc::raw::unpack(ds, vout);
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hasWitness = true;
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}
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} else {
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/* We read a non-empty vin. Assume a normal vout follows. */
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fc::raw::unpack(ds, vout);
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}
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if (hasWitness) {
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/* The witness flag is present, and we support witnesses. */
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for (size_t i = 0; i < vin.size(); i++) {
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fc::raw::unpack(ds, vin[i].scriptWitness);
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}
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}
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ds.direct_read(nLockTime);
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}
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bytes sign_pw_transfer_transaction(const bytes &unsigned_tx, const bytes& redeem_script, const std::vector<fc::optional<fc::ecc::private_key> > &priv_keys)
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{
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@ -278,7 +249,3 @@ bytes sign_pw_transfer_transaction(const bytes &unsigned_tx, const bytes& redeem
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}
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}}
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FC_REFLECT(graphene::peerplays_sidechain::btc_outpoint, (hash)(n))
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FC_REFLECT(graphene::peerplays_sidechain::btc_in, (prevout)(scriptSig)(nSequence))
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FC_REFLECT(graphene::peerplays_sidechain::btc_out, (nValue)(scriptPubKey))
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@ -18,4 +18,42 @@ std::string p2sh_address_from_redeem_script(const bytes& script, bitcoin_network
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*/
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bytes sign_pw_transfer_transaction(const bytes& unsigned_tx, const bytes& redeem_script, const std::vector<fc::optional<fc::ecc::private_key>>& priv_keys);
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struct btc_outpoint
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{
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fc::uint256 hash;
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uint32_t n;
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};
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struct btc_in
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{
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btc_outpoint prevout;
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bytes scriptSig;
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uint32_t nSequence;
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bytes scriptWitness;
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};
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struct btc_out
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{
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int64_t nValue;
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bytes scriptPubKey;
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};
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struct btc_tx
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{
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std::vector<btc_in> vin;
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std::vector<btc_out> vout;
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int32_t nVersion;
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uint32_t nLockTime;
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bool hasWitness;
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bytes to_bytes() const;
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void fill_from_bytes(const bytes& data);
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};
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}}
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FC_REFLECT(graphene::peerplays_sidechain::btc_outpoint, (hash)(n))
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// btc_in::scriptWitness is filled only in transaction serialization
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FC_REFLECT(graphene::peerplays_sidechain::btc_in, (prevout)(scriptSig)(nSequence))
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FC_REFLECT(graphene::peerplays_sidechain::btc_out, (nValue)(scriptPubKey))
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// btc_tx is serialized manually
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25
tests/peerplays_sidechain/bitcoin_utils_test.cpp
Normal file
25
tests/peerplays_sidechain/bitcoin_utils_test.cpp
Normal file
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@ -0,0 +1,25 @@
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#include <boost/test/unit_test.hpp>
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#include <graphene/peerplays_sidechain/bitcoin_utils.hpp>
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#include <fc/crypto/hex.hpp>
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using namespace graphene::peerplays_sidechain;
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BOOST_AUTO_TEST_CASE(tx_serialization)
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{
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// use real mainnet transaction
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// txid: 6189e3febb5a21cee8b725aa1ef04ffce7e609448446d3a8d6f483c634ef5315
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// json: {"txid":"6189e3febb5a21cee8b725aa1ef04ffce7e609448446d3a8d6f483c634ef5315","hash":"6189e3febb5a21cee8b725aa1ef04ffce7e609448446d3a8d6f483c634ef5315","version":1,"size":224,"vsize":224,"weight":896,"locktime":0,"vin":[{"txid":"55d079ca797fee81416b71b373abedd8722e33c9f73177be0166b5d5fdac478b","vout":0,"scriptSig":{"asm":"3045022100d82e57d4d11d3b811d07f2fa4ded2fb8a3b7bb1d3e9f293433de5c0d1093c3bd02206704ccd2ff437e2f7716b5e9f2502a9cbb41f1245a18b2b10296980f1ae38253[ALL] 02be9919a5ba373b1af58ad757db19e7c836116bb8138e0c6d99599e4db96568f4","hex":"483045022100d82e57d4d11d3b811d07f2fa4ded2fb8a3b7bb1d3e9f293433de5c0d1093c3bd02206704ccd2ff437e2f7716b5e9f2502a9cbb41f1245a18b2b10296980f1ae38253012102be9919a5ba373b1af58ad757db19e7c836116bb8138e0c6d99599e4db96568f4"},"sequence":4294967295}],"vout":[{"value":1.26491535,"n":0,"scriptPubKey":{"asm":"OP_DUP OP_HASH160 95783804d28e528fbc4b48c7700471e6845804eb OP_EQUALVERIFY OP_CHECKSIG","hex":"76a91495783804d28e528fbc4b48c7700471e6845804eb88ac","reqSigs":1,"type":"pubkeyhash","addresses":["1EdKhXv7zjGowPzgDQ4z1wa2ukVrXRXXkP"]}},{"value":0.0002,"n":1,"scriptPubKey":{"asm":"OP_HASH160 fb0670971091da8248b5c900c6515727a20e8662 OP_EQUAL","hex":"a914fb0670971091da8248b5c900c6515727a20e866287","reqSigs":1,"type":"scripthash","addresses":["3QaKF8zobqcqY8aS6nxCD5ZYdiRfL3RCmU"]}}]}
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// hex: "01000000018b47acfdd5b56601be7731f7c9332e72d8edab73b3716b4181ee7f79ca79d055000000006b483045022100d82e57d4d11d3b811d07f2fa4ded2fb8a3b7bb1d3e9f293433de5c0d1093c3bd02206704ccd2ff437e2f7716b5e9f2502a9cbb41f1245a18b2b10296980f1ae38253012102be9919a5ba373b1af58ad757db19e7c836116bb8138e0c6d99599e4db96568f4ffffffff028f1b8a07000000001976a91495783804d28e528fbc4b48c7700471e6845804eb88ac204e00000000000017a914fb0670971091da8248b5c900c6515727a20e86628700000000"
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fc::string strtx("01000000018b47acfdd5b56601be7731f7c9332e72d8edab73b3716b4181ee7f79ca79d055000000006b483045022100d82e57d4d11d3b811d07f2fa4ded2fb8a3b7bb1d3e9f293433de5c0d1093c3bd02206704ccd2ff437e2f7716b5e9f2502a9cbb41f1245a18b2b10296980f1ae38253012102be9919a5ba373b1af58ad757db19e7c836116bb8138e0c6d99599e4db96568f4ffffffff028f1b8a07000000001976a91495783804d28e528fbc4b48c7700471e6845804eb88ac204e00000000000017a914fb0670971091da8248b5c900c6515727a20e86628700000000");
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bytes bintx;
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bintx.resize(strtx.length() / 2);
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fc::from_hex(strtx, reinterpret_cast<char*>(&bintx[0]), bintx.size());
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btc_tx tx;
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BOOST_CHECK_NO_THROW(tx.fill_from_bytes(bintx));
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BOOST_CHECK(tx.nVersion == 1);
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BOOST_CHECK(tx.nLockTime == 0);
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BOOST_CHECK(tx.vin.size() == 1);
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BOOST_CHECK(tx.vout.size() == 2);
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bytes buff = tx.to_bytes();
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BOOST_CHECK(bintx == buff);
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}
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