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-rw-r--r--src/script/standard.cpp79
1 files changed, 34 insertions, 45 deletions
diff --git a/src/script/standard.cpp b/src/script/standard.cpp
index d7b172479..91a301bcd 100644
--- a/src/script/standard.cpp
+++ b/src/script/standard.cpp
@@ -1,5 +1,5 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2017 The Bitcoin Core developers
+// Copyright (c) 2009-2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@@ -8,8 +8,8 @@
#include <crypto/sha256.h>
#include <pubkey.h>
#include <script/script.h>
-#include <util.h>
-#include <utilstrencodings.h>
+#include <util/system.h>
+#include <util/strencodings.h>
typedef std::vector<unsigned char> valtype;
@@ -19,6 +19,10 @@ unsigned nMaxDatacarrierBytes = MAX_OP_RETURN_RELAY;
CScriptID::CScriptID(const CScript& in) : uint160(Hash160(in.begin(), in.end())) {}
+ScriptHash::ScriptHash(const CScript& in) : uint160(Hash160(in.begin(), in.end())) {}
+
+PKHash::PKHash(const CPubKey& pubkey) : uint160(pubkey.GetID()) {}
+
WitnessV0ScriptHash::WitnessV0ScriptHash(const CScript& in)
{
CSHA256().Write(in.data(), in.size()).Finalize(begin());
@@ -87,7 +91,7 @@ static bool MatchMultisig(const CScript& script, unsigned int& required, std::ve
return (it + 1 == script.end());
}
-bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<std::vector<unsigned char> >& vSolutionsRet)
+txnouttype Solver(const CScript& scriptPubKey, std::vector<std::vector<unsigned char>>& vSolutionsRet)
{
vSolutionsRet.clear();
@@ -95,33 +99,28 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<std::v
// it is always OP_HASH160 20 [20 byte hash] OP_EQUAL
if (scriptPubKey.IsPayToScriptHash())
{
- typeRet = TX_SCRIPTHASH;
std::vector<unsigned char> hashBytes(scriptPubKey.begin()+2, scriptPubKey.begin()+22);
vSolutionsRet.push_back(hashBytes);
- return true;
+ return TX_SCRIPTHASH;
}
int witnessversion;
std::vector<unsigned char> witnessprogram;
if (scriptPubKey.IsWitnessProgram(witnessversion, witnessprogram)) {
if (witnessversion == 0 && witnessprogram.size() == WITNESS_V0_KEYHASH_SIZE) {
- typeRet = TX_WITNESS_V0_KEYHASH;
vSolutionsRet.push_back(witnessprogram);
- return true;
+ return TX_WITNESS_V0_KEYHASH;
}
if (witnessversion == 0 && witnessprogram.size() == WITNESS_V0_SCRIPTHASH_SIZE) {
- typeRet = TX_WITNESS_V0_SCRIPTHASH;
vSolutionsRet.push_back(witnessprogram);
- return true;
+ return TX_WITNESS_V0_SCRIPTHASH;
}
if (witnessversion != 0) {
- typeRet = TX_WITNESS_UNKNOWN;
vSolutionsRet.push_back(std::vector<unsigned char>{(unsigned char)witnessversion});
vSolutionsRet.push_back(std::move(witnessprogram));
- return true;
+ return TX_WITNESS_UNKNOWN;
}
- typeRet = TX_NONSTANDARD;
- return false;
+ return TX_NONSTANDARD;
}
// Provably prunable, data-carrying output
@@ -130,62 +129,54 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<std::v
// byte passes the IsPushOnly() test we don't care what exactly is in the
// script.
if (scriptPubKey.size() >= 1 && scriptPubKey[0] == OP_RETURN && scriptPubKey.IsPushOnly(scriptPubKey.begin()+1)) {
- typeRet = TX_NULL_DATA;
- return true;
+ return TX_NULL_DATA;
}
std::vector<unsigned char> data;
if (MatchPayToPubkey(scriptPubKey, data)) {
- typeRet = TX_PUBKEY;
vSolutionsRet.push_back(std::move(data));
- return true;
+ return TX_PUBKEY;
}
if (MatchPayToPubkeyHash(scriptPubKey, data)) {
- typeRet = TX_PUBKEYHASH;
vSolutionsRet.push_back(std::move(data));
- return true;
+ return TX_PUBKEYHASH;
}
unsigned int required;
std::vector<std::vector<unsigned char>> keys;
if (MatchMultisig(scriptPubKey, required, keys)) {
- typeRet = TX_MULTISIG;
vSolutionsRet.push_back({static_cast<unsigned char>(required)}); // safe as required is in range 1..16
vSolutionsRet.insert(vSolutionsRet.end(), keys.begin(), keys.end());
vSolutionsRet.push_back({static_cast<unsigned char>(keys.size())}); // safe as size is in range 1..16
- return true;
+ return TX_MULTISIG;
}
vSolutionsRet.clear();
- typeRet = TX_NONSTANDARD;
- return false;
+ return TX_NONSTANDARD;
}
bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet)
{
std::vector<valtype> vSolutions;
- txnouttype whichType;
- if (!Solver(scriptPubKey, whichType, vSolutions))
- return false;
+ txnouttype whichType = Solver(scriptPubKey, vSolutions);
- if (whichType == TX_PUBKEY)
- {
+ if (whichType == TX_PUBKEY) {
CPubKey pubKey(vSolutions[0]);
if (!pubKey.IsValid())
return false;
- addressRet = pubKey.GetID();
+ addressRet = PKHash(pubKey);
return true;
}
else if (whichType == TX_PUBKEYHASH)
{
- addressRet = CKeyID(uint160(vSolutions[0]));
+ addressRet = PKHash(uint160(vSolutions[0]));
return true;
}
else if (whichType == TX_SCRIPTHASH)
{
- addressRet = CScriptID(uint160(vSolutions[0]));
+ addressRet = ScriptHash(uint160(vSolutions[0]));
return true;
} else if (whichType == TX_WITNESS_V0_KEYHASH) {
WitnessV0KeyHash hash;
@@ -212,11 +203,11 @@ bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet)
bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<CTxDestination>& addressRet, int& nRequiredRet)
{
addressRet.clear();
- typeRet = TX_NONSTANDARD;
std::vector<valtype> vSolutions;
- if (!Solver(scriptPubKey, typeRet, vSolutions))
+ typeRet = Solver(scriptPubKey, vSolutions);
+ if (typeRet == TX_NONSTANDARD) {
return false;
- if (typeRet == TX_NULL_DATA){
+ } else if (typeRet == TX_NULL_DATA) {
// This is data, not addresses
return false;
}
@@ -230,7 +221,7 @@ bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, std::
if (!pubKey.IsValid())
continue;
- CTxDestination address = pubKey.GetID();
+ CTxDestination address = PKHash(pubKey);
addressRet.push_back(address);
}
@@ -263,13 +254,13 @@ public:
return false;
}
- bool operator()(const CKeyID &keyID) const {
+ bool operator()(const PKHash &keyID) const {
script->clear();
*script << OP_DUP << OP_HASH160 << ToByteVector(keyID) << OP_EQUALVERIFY << OP_CHECKSIG;
return true;
}
- bool operator()(const CScriptID &scriptID) const {
+ bool operator()(const ScriptHash &scriptID) const {
script->clear();
*script << OP_HASH160 << ToByteVector(scriptID) << OP_EQUAL;
return true;
@@ -324,14 +315,12 @@ CScript GetScriptForMultisig(int nRequired, const std::vector<CPubKey>& keys)
CScript GetScriptForWitness(const CScript& redeemscript)
{
- txnouttype typ;
std::vector<std::vector<unsigned char> > vSolutions;
- if (Solver(redeemscript, typ, vSolutions)) {
- if (typ == TX_PUBKEY) {
- return GetScriptForDestination(WitnessV0KeyHash(Hash160(vSolutions[0].begin(), vSolutions[0].end())));
- } else if (typ == TX_PUBKEYHASH) {
- return GetScriptForDestination(WitnessV0KeyHash(vSolutions[0]));
- }
+ txnouttype typ = Solver(redeemscript, vSolutions);
+ if (typ == TX_PUBKEY) {
+ return GetScriptForDestination(WitnessV0KeyHash(Hash160(vSolutions[0].begin(), vSolutions[0].end())));
+ } else if (typ == TX_PUBKEYHASH) {
+ return GetScriptForDestination(WitnessV0KeyHash(vSolutions[0]));
}
return GetScriptForDestination(WitnessV0ScriptHash(redeemscript));
}
generated by cgit v1.2.3 (git 2.25.1) at 2026-04-26 10:45:18 +0000