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-rw-r--r--src/script/standard.cpp149
1 files changed, 76 insertions, 73 deletions
diff --git a/src/script/standard.cpp b/src/script/standard.cpp
index 7d89a336fb..1c4990791c 100644
--- a/src/script/standard.cpp
+++ b/src/script/standard.cpp
@@ -9,37 +9,55 @@
#include <pubkey.h>
#include <script/script.h>
+#include <string>
+
typedef std::vector<unsigned char> valtype;
bool fAcceptDatacarrier = DEFAULT_ACCEPT_DATACARRIER;
unsigned nMaxDatacarrierBytes = MAX_OP_RETURN_RELAY;
-CScriptID::CScriptID(const CScript& in) : uint160(Hash160(in.begin(), in.end())) {}
+CScriptID::CScriptID(const CScript& in) : BaseHash(Hash160(in.begin(), in.end())) {}
+CScriptID::CScriptID(const ScriptHash& in) : BaseHash(static_cast<uint160>(in)) {}
+
+ScriptHash::ScriptHash(const CScript& in) : BaseHash(Hash160(in.begin(), in.end())) {}
+ScriptHash::ScriptHash(const CScriptID& in) : BaseHash(static_cast<uint160>(in)) {}
+
+PKHash::PKHash(const CPubKey& pubkey) : BaseHash(pubkey.GetID()) {}
+PKHash::PKHash(const CKeyID& pubkey_id) : BaseHash(pubkey_id) {}
-ScriptHash::ScriptHash(const CScript& in) : uint160(Hash160(in.begin(), in.end())) {}
+WitnessV0KeyHash::WitnessV0KeyHash(const CPubKey& pubkey) : BaseHash(pubkey.GetID()) {}
+WitnessV0KeyHash::WitnessV0KeyHash(const PKHash& pubkey_hash) : BaseHash(static_cast<uint160>(pubkey_hash)) {}
-PKHash::PKHash(const CPubKey& pubkey) : uint160(pubkey.GetID()) {}
+CKeyID ToKeyID(const PKHash& key_hash)
+{
+ return CKeyID{static_cast<uint160>(key_hash)};
+}
+
+CKeyID ToKeyID(const WitnessV0KeyHash& key_hash)
+{
+ return CKeyID{static_cast<uint160>(key_hash)};
+}
WitnessV0ScriptHash::WitnessV0ScriptHash(const CScript& in)
{
CSHA256().Write(in.data(), in.size()).Finalize(begin());
}
-const char* GetTxnOutputType(txnouttype t)
+std::string GetTxnOutputType(TxoutType t)
{
switch (t)
{
- case TX_NONSTANDARD: return "nonstandard";
- case TX_PUBKEY: return "pubkey";
- case TX_PUBKEYHASH: return "pubkeyhash";
- case TX_SCRIPTHASH: return "scripthash";
- case TX_MULTISIG: return "multisig";
- case TX_NULL_DATA: return "nulldata";
- case TX_WITNESS_V0_KEYHASH: return "witness_v0_keyhash";
- case TX_WITNESS_V0_SCRIPTHASH: return "witness_v0_scripthash";
- case TX_WITNESS_UNKNOWN: return "witness_unknown";
- }
- return nullptr;
+ case TxoutType::NONSTANDARD: return "nonstandard";
+ case TxoutType::PUBKEY: return "pubkey";
+ case TxoutType::PUBKEYHASH: return "pubkeyhash";
+ case TxoutType::SCRIPTHASH: return "scripthash";
+ case TxoutType::MULTISIG: return "multisig";
+ case TxoutType::NULL_DATA: return "nulldata";
+ case TxoutType::WITNESS_V0_KEYHASH: return "witness_v0_keyhash";
+ case TxoutType::WITNESS_V0_SCRIPTHASH: return "witness_v0_scripthash";
+ case TxoutType::WITNESS_UNKNOWN: return "witness_unknown";
+ } // no default case, so the compiler can warn about missing cases
+ assert(false);
}
static bool MatchPayToPubkey(const CScript& script, valtype& pubkey)
@@ -88,7 +106,7 @@ static bool MatchMultisig(const CScript& script, unsigned int& required, std::ve
return (it + 1 == script.end());
}
-txnouttype Solver(const CScript& scriptPubKey, std::vector<std::vector<unsigned char>>& vSolutionsRet)
+TxoutType Solver(const CScript& scriptPubKey, std::vector<std::vector<unsigned char>>& vSolutionsRet)
{
vSolutionsRet.clear();
@@ -98,7 +116,7 @@ txnouttype Solver(const CScript& scriptPubKey, std::vector<std::vector<unsigned
{
std::vector<unsigned char> hashBytes(scriptPubKey.begin()+2, scriptPubKey.begin()+22);
vSolutionsRet.push_back(hashBytes);
- return TX_SCRIPTHASH;
+ return TxoutType::SCRIPTHASH;
}
int witnessversion;
@@ -106,18 +124,18 @@ txnouttype Solver(const CScript& scriptPubKey, std::vector<std::vector<unsigned
if (scriptPubKey.IsWitnessProgram(witnessversion, witnessprogram)) {
if (witnessversion == 0 && witnessprogram.size() == WITNESS_V0_KEYHASH_SIZE) {
vSolutionsRet.push_back(witnessprogram);
- return TX_WITNESS_V0_KEYHASH;
+ return TxoutType::WITNESS_V0_KEYHASH;
}
if (witnessversion == 0 && witnessprogram.size() == WITNESS_V0_SCRIPTHASH_SIZE) {
vSolutionsRet.push_back(witnessprogram);
- return TX_WITNESS_V0_SCRIPTHASH;
+ return TxoutType::WITNESS_V0_SCRIPTHASH;
}
if (witnessversion != 0) {
vSolutionsRet.push_back(std::vector<unsigned char>{(unsigned char)witnessversion});
vSolutionsRet.push_back(std::move(witnessprogram));
- return TX_WITNESS_UNKNOWN;
+ return TxoutType::WITNESS_UNKNOWN;
}
- return TX_NONSTANDARD;
+ return TxoutType::NONSTANDARD;
}
// Provably prunable, data-carrying output
@@ -126,18 +144,18 @@ txnouttype Solver(const CScript& scriptPubKey, std::vector<std::vector<unsigned
// 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)) {
- return TX_NULL_DATA;
+ return TxoutType::NULL_DATA;
}
std::vector<unsigned char> data;
if (MatchPayToPubkey(scriptPubKey, data)) {
vSolutionsRet.push_back(std::move(data));
- return TX_PUBKEY;
+ return TxoutType::PUBKEY;
}
if (MatchPayToPubkeyHash(scriptPubKey, data)) {
vSolutionsRet.push_back(std::move(data));
- return TX_PUBKEYHASH;
+ return TxoutType::PUBKEYHASH;
}
unsigned int required;
@@ -146,19 +164,19 @@ txnouttype Solver(const CScript& scriptPubKey, std::vector<std::vector<unsigned
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 TX_MULTISIG;
+ return TxoutType::MULTISIG;
}
vSolutionsRet.clear();
- return TX_NONSTANDARD;
+ return TxoutType::NONSTANDARD;
}
bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet)
{
std::vector<valtype> vSolutions;
- txnouttype whichType = Solver(scriptPubKey, vSolutions);
+ TxoutType whichType = Solver(scriptPubKey, vSolutions);
- if (whichType == TX_PUBKEY) {
+ if (whichType == TxoutType::PUBKEY) {
CPubKey pubKey(vSolutions[0]);
if (!pubKey.IsValid())
return false;
@@ -166,26 +184,26 @@ bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet)
addressRet = PKHash(pubKey);
return true;
}
- else if (whichType == TX_PUBKEYHASH)
+ else if (whichType == TxoutType::PUBKEYHASH)
{
addressRet = PKHash(uint160(vSolutions[0]));
return true;
}
- else if (whichType == TX_SCRIPTHASH)
+ else if (whichType == TxoutType::SCRIPTHASH)
{
addressRet = ScriptHash(uint160(vSolutions[0]));
return true;
- } else if (whichType == TX_WITNESS_V0_KEYHASH) {
+ } else if (whichType == TxoutType::WITNESS_V0_KEYHASH) {
WitnessV0KeyHash hash;
std::copy(vSolutions[0].begin(), vSolutions[0].end(), hash.begin());
addressRet = hash;
return true;
- } else if (whichType == TX_WITNESS_V0_SCRIPTHASH) {
+ } else if (whichType == TxoutType::WITNESS_V0_SCRIPTHASH) {
WitnessV0ScriptHash hash;
std::copy(vSolutions[0].begin(), vSolutions[0].end(), hash.begin());
addressRet = hash;
return true;
- } else if (whichType == TX_WITNESS_UNKNOWN) {
+ } else if (whichType == TxoutType::WITNESS_UNKNOWN) {
WitnessUnknown unk;
unk.version = vSolutions[0][0];
std::copy(vSolutions[1].begin(), vSolutions[1].end(), unk.program);
@@ -197,19 +215,19 @@ bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet)
return false;
}
-bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<CTxDestination>& addressRet, int& nRequiredRet)
+bool ExtractDestinations(const CScript& scriptPubKey, TxoutType& typeRet, std::vector<CTxDestination>& addressRet, int& nRequiredRet)
{
addressRet.clear();
std::vector<valtype> vSolutions;
typeRet = Solver(scriptPubKey, vSolutions);
- if (typeRet == TX_NONSTANDARD) {
+ if (typeRet == TxoutType::NONSTANDARD) {
return false;
- } else if (typeRet == TX_NULL_DATA) {
+ } else if (typeRet == TxoutType::NULL_DATA) {
// This is data, not addresses
return false;
}
- if (typeRet == TX_MULTISIG)
+ if (typeRet == TxoutType::MULTISIG)
{
nRequiredRet = vSolutions.front()[0];
for (unsigned int i = 1; i < vSolutions.size()-1; i++)
@@ -239,59 +257,44 @@ bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, std::
namespace
{
-class CScriptVisitor : public boost::static_visitor<bool>
+class CScriptVisitor : public boost::static_visitor<CScript>
{
-private:
- CScript *script;
public:
- explicit CScriptVisitor(CScript *scriptin) { script = scriptin; }
-
- bool operator()(const CNoDestination &dest) const {
- script->clear();
- return false;
+ CScript operator()(const CNoDestination& dest) const
+ {
+ return CScript();
}
- bool operator()(const PKHash &keyID) const {
- script->clear();
- *script << OP_DUP << OP_HASH160 << ToByteVector(keyID) << OP_EQUALVERIFY << OP_CHECKSIG;
- return true;
+ CScript operator()(const PKHash& keyID) const
+ {
+ return CScript() << OP_DUP << OP_HASH160 << ToByteVector(keyID) << OP_EQUALVERIFY << OP_CHECKSIG;
}
- bool operator()(const ScriptHash &scriptID) const {
- script->clear();
- *script << OP_HASH160 << ToByteVector(scriptID) << OP_EQUAL;
- return true;
+ CScript operator()(const ScriptHash& scriptID) const
+ {
+ return CScript() << OP_HASH160 << ToByteVector(scriptID) << OP_EQUAL;
}
- bool operator()(const WitnessV0KeyHash& id) const
+ CScript operator()(const WitnessV0KeyHash& id) const
{
- script->clear();
- *script << OP_0 << ToByteVector(id);
- return true;
+ return CScript() << OP_0 << ToByteVector(id);
}
- bool operator()(const WitnessV0ScriptHash& id) const
+ CScript operator()(const WitnessV0ScriptHash& id) const
{
- script->clear();
- *script << OP_0 << ToByteVector(id);
- return true;
+ return CScript() << OP_0 << ToByteVector(id);
}
- bool operator()(const WitnessUnknown& id) const
+ CScript operator()(const WitnessUnknown& id) const
{
- script->clear();
- *script << CScript::EncodeOP_N(id.version) << std::vector<unsigned char>(id.program, id.program + id.length);
- return true;
+ return CScript() << CScript::EncodeOP_N(id.version) << std::vector<unsigned char>(id.program, id.program + id.length);
}
};
} // namespace
CScript GetScriptForDestination(const CTxDestination& dest)
{
- CScript script;
-
- boost::apply_visitor(CScriptVisitor(&script), dest);
- return script;
+ return boost::apply_visitor(CScriptVisitor(), dest);
}
CScript GetScriptForRawPubKey(const CPubKey& pubKey)
@@ -313,11 +316,11 @@ CScript GetScriptForMultisig(int nRequired, const std::vector<CPubKey>& keys)
CScript GetScriptForWitness(const CScript& redeemscript)
{
std::vector<std::vector<unsigned char> > vSolutions;
- txnouttype typ = Solver(redeemscript, vSolutions);
- if (typ == TX_PUBKEY) {
+ TxoutType typ = Solver(redeemscript, vSolutions);
+ if (typ == TxoutType::PUBKEY) {
return GetScriptForDestination(WitnessV0KeyHash(Hash160(vSolutions[0].begin(), vSolutions[0].end())));
- } else if (typ == TX_PUBKEYHASH) {
- return GetScriptForDestination(WitnessV0KeyHash(vSolutions[0]));
+ } else if (typ == TxoutType::PUBKEYHASH) {
+ return GetScriptForDestination(WitnessV0KeyHash(uint160{vSolutions[0]}));
}
return GetScriptForDestination(WitnessV0ScriptHash(redeemscript));
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-10-09 03:30:36 +0000