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Support for Schnorr signatures and integration in SignatureCheckers (BIP 340)

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This enables the schnorrsig module in libsecp256k1, adds the relevant types
and functions to src/pubkey, as well as in higher-level `SignatureChecker`
classes. The (verification side of the) BIP340 test vectors is also added.
This commit is contained in:
Pieter Wuille
2020-09-11 14:33:30 -07:00
parent 5de246ca81
commit 0664f5fe1f
14 changed files with 165 additions and 13 deletions
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6
src/script/script_error.cpp
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@@ -91,6 +91,12 @@ std::string ScriptErrorString(const ScriptError serror)
return "Witness provided for non-witness script";
case SCRIPT_ERR_WITNESS_PUBKEYTYPE:
return "Using non-compressed keys in segwit";
case SCRIPT_ERR_SCHNORR_SIG_SIZE:
return "Invalid Schnorr signature size";
case SCRIPT_ERR_SCHNORR_SIG_HASHTYPE:
return "Invalid Schnorr signature hash type";
case SCRIPT_ERR_SCHNORR_SIG:
return "Invalid Schnorr signature";
case SCRIPT_ERR_OP_CODESEPARATOR:
return "Using OP_CODESEPARATOR in non-witness script";
case SCRIPT_ERR_SIG_FINDANDDELETE: