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subsidy: add chainparams and init

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Byron Hambly 2025-10-22 15:53:12 +02:00
parent f3b63f4b8c
commit 94cde59dc3
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3 changed files with 104 additions and 1 deletions
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21
src/init.cpp
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@ -642,6 +642,10 @@ void SetupServerArgs(ArgsManager& argsman)
argsman.AddArg("-ct_exponent", strprintf("The hiding exponent. (default: %s)", 0), ArgsManager::ALLOW_ANY, OptionsCategory::CHAINPARAMS);
argsman.AddArg("-acceptdiscountct", "Accept discounted fees for Confidential Transactions (default: 1 in liquidtestnet and liquidv1, 0 otherwise)", ArgsManager::ALLOW_ANY, OptionsCategory::CHAINPARAMS);
argsman.AddArg("-creatediscountct", "Create Confidential Transactions with discounted fees (default: 0). Setting this to 1 will also set 'acceptdiscountct' to 1.", ArgsManager::ALLOW_ANY, OptionsCategory::CHAINPARAMS);
argsman.AddArg("-peginsubsidyheight", "The block height at which peg-in transactions must have a burn subsidy (default: not active). The subsidy is an OP_RETURN output, with its value equal to the feerate of the parent transaction multiplied by the vsize of spending the P2WSH output created by the peg-in (feerate * 396 sats for liquidv1). ", ArgsManager::ALLOW_ANY, OptionsCategory::CHAINPARAMS);
argsman.AddArg("-peginsubsidythreshold", "The output value below which peg-in transactions must have a burn subsidy (default: 0). Peg-ins above this value do not require the subsidy.", ArgsManager::ALLOW_ANY, OptionsCategory::CHAINPARAMS);
argsman.AddArg("-peginminheight", "The block height at which a minimum peg-in value is enforced (default: not active).", ArgsManager::ALLOW_ANY, OptionsCategory::CHAINPARAMS);
argsman.AddArg("-peginminamount", "The minimum value for a peg-in transaction after peginminheight (default: unset).", ArgsManager::ALLOW_ANY, OptionsCategory::CHAINPARAMS);
#if defined(USE_SYSCALL_SANDBOX)
argsman.AddArg("-sandbox=<mode>", "Use the experimental syscall sandbox in the specified mode (-sandbox=log-and-abort or -sandbox=abort). Allow only expected syscalls to be used by bitcoind. Note that this is an experimental new feature that may cause bitcoind to exit or crash unexpectedly: use with caution. In the \"log-and-abort\" mode the invocation of an unexpected syscall results in a debug handler being invoked which will log the incident and terminate the program (without executing the unexpected syscall). In the \"abort\" mode the invocation of an unexpected syscall results in the entire process being killed immediately by the kernel without executing the unexpected syscall.", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
@ -1975,6 +1979,23 @@ bool AppInitMain(NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
gArgs.SoftSetArg("-validatepegin", "0");
}
}
// if we are validating pegin subsidy or minimum then we require bitcoind >= v25
if (Params().GetPeginSubsidy().IsDefined() || Params().GetPeginMinimum().IsDefined()) {
UniValue params(UniValue::VARR);
UniValue reply = CallMainChainRPC("getnetworkinfo", params);
if (reply["error"].isStr()) {
InitError(Untranslated(reply["error"].get_str()));
return false;
} else {
const int version = reply["result"]["version"].get_int();
const std::string& subversion = reply["result"]["subversion"].get_str();
if (version < 250000 && subversion.find("Satoshi") != std::string::npos) {
const std::string err = strprintf("ERROR: parent bitcoind must be version 25 or newer for pegin subsidy/minimum validation. Found version: %s", version);
InitError(Untranslated(err));
return false;
}
}
}
}
// Call ActivateBestChain every 30 seconds. This is almost always a