From 99e88a3726c2325e3a3a35c0a750bde25bd58ad0 Mon Sep 17 00:00:00 2001 From: Antoine Riard Date: Wed, 10 Apr 2019 13:38:41 +0000 Subject: rpc: Remove dependency on interfaces::Chain in SignTransaction Comment SignTransaction utility --- src/rpc/rawtransaction.cpp | 10 +++++++++- src/rpc/rawtransaction_util.cpp | 12 +----------- src/rpc/rawtransaction_util.h | 22 ++++++++++++++++------ 3 files changed, 26 insertions(+), 18 deletions(-) (limited to 'src/rpc') diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp index 91331198e2..e838443fe1 100644 --- a/src/rpc/rawtransaction.cpp +++ b/src/rpc/rawtransaction.cpp @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -770,7 +771,14 @@ static UniValue signrawtransactionwithkey(const JSONRPCRequest& request) keystore.AddKey(key); } - return SignTransaction(*g_rpc_interfaces->chain, mtx, request.params[2], &keystore, true, request.params[3]); + // Fetch previous transactions (inputs): + std::map coins; + for (const CTxIn& txin : mtx.vin) { + coins[txin.prevout]; // Create empty map entry keyed by prevout. + } + FindCoins(coins); + + return SignTransaction(mtx, request.params[2], &keystore, coins, true, request.params[3]); } static UniValue sendrawtransaction(const JSONRPCRequest& request) diff --git a/src/rpc/rawtransaction_util.cpp b/src/rpc/rawtransaction_util.cpp index 728fc62e25..8af491977c 100644 --- a/src/rpc/rawtransaction_util.cpp +++ b/src/rpc/rawtransaction_util.cpp @@ -149,18 +149,8 @@ static void TxInErrorToJSON(const CTxIn& txin, UniValue& vErrorsRet, const std:: vErrorsRet.push_back(entry); } -// TODO(https://github.com/bitcoin/bitcoin/pull/10973#discussion_r267084237): -// The dependency on interfaces::Chain should be removed, so -// signrawtransactionwithkey doesn't need access to a Chain instance. -UniValue SignTransaction(interfaces::Chain& chain, CMutableTransaction& mtx, const UniValue& prevTxsUnival, CBasicKeyStore *keystore, bool is_temp_keystore, const UniValue& hashType) +UniValue SignTransaction(CMutableTransaction& mtx, const UniValue& prevTxsUnival, CBasicKeyStore* keystore, std::map& coins, bool is_temp_keystore, const UniValue& hashType) { - // Fetch previous transactions (inputs): - std::map coins; - for (const CTxIn& txin : mtx.vin) { - coins[txin.prevout]; // Create empty map entry keyed by prevout. - } - chain.findCoins(coins); - // Add previous txouts given in the RPC call: if (!prevTxsUnival.isNull()) { UniValue prevTxs = prevTxsUnival.get_array(); diff --git a/src/rpc/rawtransaction_util.h b/src/rpc/rawtransaction_util.h index 5529dedbd4..c115d33a77 100644 --- a/src/rpc/rawtransaction_util.h +++ b/src/rpc/rawtransaction_util.h @@ -5,16 +5,26 @@ #ifndef BITCOIN_RPC_RAWTRANSACTION_UTIL_H #define BITCOIN_RPC_RAWTRANSACTION_UTIL_H +#include + class CBasicKeyStore; class UniValue; struct CMutableTransaction; +class Coin; +class COutPoint; -namespace interfaces { -class Chain; -} // namespace interfaces - -/** Sign a transaction with the given keystore and previous transactions */ -UniValue SignTransaction(interfaces::Chain& chain, CMutableTransaction& mtx, const UniValue& prevTxs, CBasicKeyStore *keystore, bool tempKeystore, const UniValue& hashType); +/** + * Sign a transaction with the given keystore and previous transactions + * + * @param mtx The transaction to-be-signed + * @param prevTxs Array of previous txns outputs that tx depends on but may not yet be in the block chain + * @param keystore Temporary keystore containing signing keys + * @param coins Map of unspent outputs - coins in mempool and current chain UTXO set, may be extended by previous txns outputs after call + * @param tempKeystore Whether to use temporary keystore + * @param hashType The signature hash type + * @returns JSON object with details of signed transaction + */ +UniValue SignTransaction(CMutableTransaction& mtx, const UniValue& prevTxs, CBasicKeyStore* keystore, std::map& coins, bool tempKeystore, const UniValue& hashType); /** Create a transaction from univalue parameters */ CMutableTransaction ConstructTransaction(const UniValue& inputs_in, const UniValue& outputs_in, const UniValue& locktime, const UniValue& rbf); -- cgit v1.2.3