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Explicitly support conversion between equivalent hash types

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ScriptHash <-> CScriptID
CKeyID -> PKHash
PKHash -> WitnessV0KeyHash
This commit is contained in:
Ben Woosley 2020-01-15 21:48:59 +00:00
parent f32c1e07fd
commit 966a22d859
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GPG key ID: 6EE5F3785F78B345
2 changed files with 10 additions and 0 deletions
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5
src/script/standard.cpp
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@ -17,11 +17,16 @@ 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 ScriptHash& in) : uint160(static_cast<uint160>(in)) {}
ScriptHash::ScriptHash(const CScript& in) : uint160(Hash160(in.begin(), in.end())) {}
ScriptHash::ScriptHash(const CScriptID& in) : uint160(static_cast<uint160>(in)) {}
PKHash::PKHash(const CPubKey& pubkey) : uint160(pubkey.GetID()) {}
PKHash::PKHash(const CKeyID& pubkey_id) : uint160(pubkey_id) {}
WitnessV0KeyHash::WitnessV0KeyHash(const CPubKey& pubkey) : uint160(pubkey.GetID()) {}
WitnessV0KeyHash::WitnessV0KeyHash(const PKHash& pubkey_hash) : uint160(static_cast<uint160>(pubkey_hash)) {}
CKeyID ToKeyID(const PKHash& key_hash)
{

5
src/script/standard.h
View file

@ -18,6 +18,7 @@ static const bool DEFAULT_ACCEPT_DATACARRIER = true;
class CKeyID;
class CScript;
struct ScriptHash;
/** A reference to a CScript: the Hash160 of its serialization (see script.h) */
class CScriptID : public uint160
@ -26,6 +27,7 @@ public:
CScriptID() : uint160() {}
explicit CScriptID(const CScript& in);
explicit CScriptID(const uint160& in) : uint160(in) {}
explicit CScriptID(const ScriptHash& in);
};
/**
@ -78,6 +80,7 @@ struct PKHash : public uint160
PKHash() : uint160() {}
explicit PKHash(const uint160& hash) : uint160(hash) {}
explicit PKHash(const CPubKey& pubkey);
explicit PKHash(const CKeyID& pubkey_id);
};
CKeyID ToKeyID(const PKHash& key_hash);
@ -91,6 +94,7 @@ struct ScriptHash : public uint160
explicit ScriptHash(const PKHash& hash) = delete;
explicit ScriptHash(const uint160& hash) : uint160(hash) {}
explicit ScriptHash(const CScript& script);
explicit ScriptHash(const CScriptID& script);
};
struct WitnessV0ScriptHash : public uint256
@ -105,6 +109,7 @@ struct WitnessV0KeyHash : public uint160
WitnessV0KeyHash() : uint160() {}
explicit WitnessV0KeyHash(const uint160& hash) : uint160(hash) {}
explicit WitnessV0KeyHash(const CPubKey& pubkey);
explicit WitnessV0KeyHash(const PKHash& pubkey_hash);
};
CKeyID ToKeyID(const WitnessV0KeyHash& key_hash);