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Merge bitcoin/bitcoin#22513: rpc: Allow walletprocesspsbt to sign without finalizing

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a99ed89865 psbt: sign without finalizing (Andrew Chow)

Pull request description:

  It can be useful to sign an input with `walletprocesspsbt` but not finalize that input if it is complete. This PR adds another option to `walletprocesspsbt` to be able to do that. We will still finalize by default.

  This does not materially change the PSBT workflow since `finalizepsbt` needs to be called in order to extract the tx for broadcast.

ACKs for top commit:
  meshcollider:
    utACK a99ed89865
  Sjors:
    utACK a99ed89

Tree-SHA512: c88e5d3222109c5f4e763b1b9d97ce4655f68f2985a4509caab2d4e7f5bac5047328fd69696e82a330f5c5a333e0312568ae293515689b77a4747ca2f17caca6
This commit is contained in:
W. J. van der Laan
2021-11-29 17:13:06 +01:00
parent 913b7148a2 a99ed89865
commit 383d350bd5
11 changed files with 32 additions and 20 deletions
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6
src/wallet/scriptpubkeyman.h
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@@ -224,7 +224,7 @@ public:
/** Sign a message with the given script */
virtual SigningResult SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const { return SigningResult::SIGNING_FAILED; };
/** Adds script and derivation path information to a PSBT, and optionally signs it. */
virtual TransactionError FillPSBT(PartiallySignedTransaction& psbt, const PrecomputedTransactionData& txdata, int sighash_type = 1 /* SIGHASH_ALL */, bool sign = true, bool bip32derivs = false, int* n_signed = nullptr) const { return TransactionError::INVALID_PSBT; }
virtual TransactionError FillPSBT(PartiallySignedTransaction& psbt, const PrecomputedTransactionData& txdata, int sighash_type = 1 /* SIGHASH_ALL */, bool sign = true, bool bip32derivs = false, int* n_signed = nullptr, bool finalize = true) const { return TransactionError::INVALID_PSBT; }
virtual uint256 GetID() const { return uint256(); }
@@ -388,7 +388,7 @@ public:
bool SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, bilingual_str>& input_errors) const override;
SigningResult SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const override;
TransactionError FillPSBT(PartiallySignedTransaction& psbt, const PrecomputedTransactionData& txdata, int sighash_type = 1 /* SIGHASH_ALL */, bool sign = true, bool bip32derivs = false, int* n_signed = nullptr) const override;
TransactionError FillPSBT(PartiallySignedTransaction& psbt, const PrecomputedTransactionData& txdata, int sighash_type = 1 /* SIGHASH_ALL */, bool sign = true, bool bip32derivs = false, int* n_signed = nullptr, bool finalize = true) const override;
uint256 GetID() const override;
@@ -593,7 +593,7 @@ public:
bool SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, bilingual_str>& input_errors) const override;
SigningResult SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const override;
TransactionError FillPSBT(PartiallySignedTransaction& psbt, const PrecomputedTransactionData& txdata, int sighash_type = 1 /* SIGHASH_ALL */, bool sign = true, bool bip32derivs = false, int* n_signed = nullptr) const override;
TransactionError FillPSBT(PartiallySignedTransaction& psbt, const PrecomputedTransactionData& txdata, int sighash_type = 1 /* SIGHASH_ALL */, bool sign = true, bool bip32derivs = false, int* n_signed = nullptr, bool finalize = true) const override;
uint256 GetID() const override;