Decouple SigNetChainParams from ArgsManager

SigNet chain params can now be initialized by configuring a
SigNetOptions struct, or with ArgsManager. This offers an interface for
creating SigNetChainParams without a gArgs object.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/chainparams.h b/src/chainparams.h
index 66592ffdda..2f6f3f0907 100644
--- a/src/chainparams.h
+++ b/src/chainparams.h
@@ -122,6 +122,15 @@ public:
     const MapAssumeutxo& Assumeutxo() const { return m_assumeutxo_data; }
 
     const ChainTxData& TxData() const { return chainTxData; }
+
+    /**
+     * SigNetOptions holds configurations for creating a signet CChainParams.
+     */
+    struct SigNetOptions {
+        std::optional<std::vector<uint8_t>> challenge{};
+        std::optional<std::vector<std::string>> seeds{};
+    };
+
 protected:
     CChainParams() {}