From dbb0ce9fbff01ffe4dd29da465f43ecaddc2854c Mon Sep 17 00:00:00 2001 From: Pieter Wuille Date: Wed, 3 Mar 2021 15:02:56 -0800 Subject: Add TaprootSpendData data structure, equivalent to script map for P2[W]SH This data structures stores all information necessary for spending a taproot output (the internal key, the Merkle root, and the control blocks for every script leaf). It is added to signing providers, and populated by the tr() descriptor. --- src/script/signingprovider.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/script/signingprovider.h') diff --git a/src/script/signingprovider.h b/src/script/signingprovider.h index 76f31d2f6f..939ae10622 100644 --- a/src/script/signingprovider.h +++ b/src/script/signingprovider.h @@ -25,6 +25,7 @@ public: virtual bool GetKey(const CKeyID &address, CKey& key) const { return false; } virtual bool HaveKey(const CKeyID &address) const { return false; } virtual bool GetKeyOrigin(const CKeyID& keyid, KeyOriginInfo& info) const { return false; } + virtual bool GetTaprootSpendData(const XOnlyPubKey& output_key, TaprootSpendData& spenddata) const { return false; } }; extern const SigningProvider& DUMMY_SIGNING_PROVIDER; @@ -42,6 +43,7 @@ public: bool GetPubKey(const CKeyID& keyid, CPubKey& pubkey) const override; bool GetKey(const CKeyID& keyid, CKey& key) const override; bool GetKeyOrigin(const CKeyID& keyid, KeyOriginInfo& info) const override; + bool GetTaprootSpendData(const XOnlyPubKey& output_key, TaprootSpendData& spenddata) const override; }; struct FlatSigningProvider final : public SigningProvider @@ -50,11 +52,13 @@ struct FlatSigningProvider final : public SigningProvider std::map pubkeys; std::map> origins; std::map keys; + std::map tr_spenddata; /** Map from output key to spend data. */ bool GetCScript(const CScriptID& scriptid, CScript& script) const override; bool GetPubKey(const CKeyID& keyid, CPubKey& pubkey) const override; bool GetKeyOrigin(const CKeyID& keyid, KeyOriginInfo& info) const override; bool GetKey(const CKeyID& keyid, CKey& key) const override; + bool GetTaprootSpendData(const XOnlyPubKey& output_key, TaprootSpendData& spenddata) const override; }; FlatSigningProvider Merge(const FlatSigningProvider& a, const FlatSigningProvider& b); -- cgit v1.2.3