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policy: Add OP_1 <0x4e73> as a standard output type

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These outputs are called anchors, and allow
key-less anchor spends which are vsize-minimized
versus keyed anchors which require larger outputs
when creating and inputs when spending.
This commit is contained in:
Greg Sanders
2023-11-08 14:07:49 -05:00
parent 8754d055c6
commit 455fca86cf
17 changed files with 106 additions and 3 deletions
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4
src/script/solver.cpp
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@@ -24,6 +24,7 @@ std::string GetTxnOutputType(TxoutType t)
case TxoutType::SCRIPTHASH: return "scripthash";
case TxoutType::MULTISIG: return "multisig";
case TxoutType::NULL_DATA: return "nulldata";
case TxoutType::ANCHOR: return "anchor";
case TxoutType::WITNESS_V0_KEYHASH: return "witness_v0_keyhash";
case TxoutType::WITNESS_V0_SCRIPTHASH: return "witness_v0_scripthash";
case TxoutType::WITNESS_V1_TAPROOT: return "witness_v1_taproot";
@@ -165,6 +166,9 @@ TxoutType Solver(const CScript& scriptPubKey, std::vector<std::vector<unsigned c
vSolutionsRet.push_back(std::move(witnessprogram));
return TxoutType::WITNESS_V1_TAPROOT;
}
if (scriptPubKey.IsPayToAnchor()) {
return TxoutType::ANCHOR;
}
if (witnessversion != 0) {
vSolutionsRet.push_back(std::vector<unsigned char>{(unsigned char)witnessversion});
vSolutionsRet.push_back(std::move(witnessprogram));