GlcoinCore/elements
1
0
Fork 0
mirror of https://github.com/ElementsProject/elements.git synced 2026-08-15 12:51:00 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Enable peginsign in tx tool

Browse source
This commit is contained in:
Jonas Nick 2016-04-29 19:19:06 -07:00 • committed by Gregory Sanders
parent 53733a3dc3
commit afcdcf4fa8
1 changed files with 57 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

58
src/bitcoin-tx.cpp
View file

@ -13,10 +13,13 @@
#include "consensus/consensus.h"
#include "core_io.h"
#include "keystore.h"
#include "merkleblock.h"
#include "policy/policy.h"
#include "pow.h"
#include "primitives/transaction.h"
#include "script/script.h"
#include "script/sign.h"
#include "streams.h"
#include <univalue.h>
#include "util.h"
#include "utilmoneystr.h"
@ -706,6 +709,58 @@ static void MutateTxSign(CMutableTransaction& tx, const std::string& flagStr)
tx = mergedTx;
}
static void MutateTxPeginSign(CMutableTransaction& tx, const std::string& flagStr)
{
if (!registers.count("peginkeys"))
throw std::runtime_error("peginkeys register variable must be set.");
UniValue keysObj = registers["peginkeys"];
if (!keysObj.isObject())
throw std::runtime_error("peginkeysObjs must be an object");
std::map<std::string,UniValue::VType> types = boost::assign::map_list_of("contract",UniValue::VSTR)("txoutproof",UniValue::VSTR)("tx",UniValue::VSTR)("nout",UniValue::VNUM);
if (!keysObj.checkObject(types))
throw std::runtime_error("peginkeysObjs internal object typecheck fail");
std::vector<unsigned char> contractData(ParseHexUV(keysObj["contract"], "contract"));
std::vector<unsigned char> txoutproofData(ParseHexUV(keysObj["txoutproof"], "txoutproof"));
std::vector<unsigned char> txData(ParseHexUV(keysObj["tx"], "tx"));
int nOut = atoi(keysObj["nout"].getValStr());
if (contractData.size() != 40)
throw std::runtime_error("contract must be 40 bytes");
CDataStream ssProof(txoutproofData,SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_BITCOIN_BLOCK_OR_TX);
CMerkleBlock merkleBlock;
ssProof >> merkleBlock;
CDataStream ssTx(txData, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_BITCOIN_BLOCK_OR_TX);
CTransactionRef txBTCRef;
ssTx >> txBTCRef;
CTransaction txBTC(*txBTCRef);
std::vector<uint256> transactionHashes;
std::vector<unsigned int> transactionIndices;
if (!CheckBitcoinProof(merkleBlock.header.GetHash(), merkleBlock.header.bitcoinproof.challenge) ||
merkleBlock.txn.ExtractMatches(transactionHashes, transactionIndices) != merkleBlock.header.hashMerkleRoot ||
transactionHashes.size() != 1 ||
transactionHashes[0] != txBTC.GetHash())
throw std::runtime_error("txoutproof is invalid or did not match tx");
if (nOut < 0 || (unsigned int) nOut >= txBTC.vout.size())
throw std::runtime_error("nout must be >= 0, < txout count");
CScript scriptSig;
scriptSig << contractData;
scriptSig.PushWithdraw(txoutproofData);
scriptSig.PushWithdraw(txData);
scriptSig << nOut;
//TODO: Verify the withdraw proof
for (unsigned int i = 0; i < tx.vin.size(); i++) {
tx.vin[i].scriptSig = scriptSig;
}
}
class Secp256k1Init
{
ECCVerifyHandle globalVerifyHandle;
@ -753,7 +808,8 @@ static void MutateTx(CMutableTransaction& tx, const std::string& command,
} else if (command == "blind") {
if (!ecc) { ecc.reset(new Secp256k1Init()); }
MutateTxBlind(tx, commandVal);
}
} else if (command == "peginsign")
MutateTxPeginSign(tx, commandVal);
else if (command == "load")
RegisterLoad(commandVal);