add a out parameter for error

[todo]

antara-gaming-sdk/modules/blockchain/antara/gaming/blockchain/nspv.system.cpp

Lines 163 to 166 in 7437081

	//! TODO: add a out parameter for error
	VLOG_F(loguru::Verbosity_ERROR, "mempool rpc call failed: {}", result.raw_result);
	return true;
	}

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This issue was generated by todo based on a TODO comment in 7437081 when #172 was merged. cc @KomodoPlatform.