Skip to content

Commit

Permalink
Add liquidv1 chainparams
Browse files Browse the repository at this point in the history
  • Loading branch information
@instagibbs @stevenroose
instagibbs authored and stevenroose committed Mar 20, 2019
1 parent 045e615 commit 00fba77
Show file tree
Hide file tree
Showing 4 changed files with 154 additions and 0 deletions.
141 changes: 141 additions & 0 deletions src/chainparams.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -601,6 +601,145 @@ class CCustomParams : public CRegTestParams {
}
};

/**
* Liquid v1
*/
class CLiquidV1Params : public CChainParams {
public:
CLiquidV1Params()
{

strNetworkID = "liquidv1";
consensus.nSubsidyHalvingInterval = 150;
consensus.BIP16Exception = uint256();
consensus.BIP34Height = 0;
consensus.BIP34Hash = uint256();
consensus.BIP65Height = 0;
consensus.BIP66Height = 0;
consensus.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks;
consensus.nPowTargetSpacing = 60; // Minute block assumption
consensus.fPowAllowMinDifficultyBlocks = true;
consensus.fPowNoRetargeting = true;
consensus.nRuleChangeActivationThreshold = 108;
consensus.nMinerConfirmationWindow = 144;

consensus.nMinimumChainWork = uint256();
consensus.defaultAssumeValid = uint256();

nPruneAfterHeight = 1000;
fDefaultConsistencyChecks = false;
fRequireStandard = true;
fMineBlocksOnDemand = false;
m_fallback_fee_enabled = false; // TODO Will this break stuff?

bech32_hrp = "ex"; // ex(plicit)
blech32_hrp = "lq"; // l(i)q(uid)
parent_bech32_hrp = "bc";
parent_blech32_hrp = "bc"; // Doesn't exist but...

base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1, 57);
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1, 39);
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1, 128);
base58Prefixes[BLINDED_ADDRESS]= std::vector<unsigned char>(1,12);

base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};

base58Prefixes[PARENT_PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0);
base58Prefixes[PARENT_SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);

pchMessageStart[0] = 0xfa;
pchMessageStart[1] = 0xbf;
pchMessageStart[2] = 0xb5;
pchMessageStart[3] = 0xda;

nDefaultPort = 7042;

vSeeds.clear();
vSeeds.emplace_back("seed.liquidnetwork.io");
vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_liquidv1, pnSeed6_liquidv1 + ARRAYLEN(pnSeed6_liquidv1));

//
// ELEMENTS fields

consensus.genesis_style = "elements"; // unused here but let's set it anyways

// Block signing encumberance script, default of 51 aka OP_TRUE
std::vector<unsigned char> sign_bytes = ParseHex("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");
consensus.signblockscript = CScript(sign_bytes.begin(), sign_bytes.end());
consensus.max_block_signature_size = 12*74; // 11 signatures plus wiggle room
g_signed_blocks = true;

g_con_blockheightinheader = true;
g_con_elementswitness = true;

consensus.genesis_subsidy = 0;

// All non-zero coinbase outputs must go to this scriptPubKey
std::vector<unsigned char> man_bytes = ParseHex("76a914fc26751a5025129a2fd006c6fbfa598ddd67f7e188ac");
consensus.mandatory_coinbase_destination = CScript(man_bytes.begin(), man_bytes.end()); // Blank script allows any coinbase destination

// Custom chains connect coinbase outputs to db by default
consensus.connect_genesis_outputs = true;

initialFreeCoins = 0;

anyonecanspend_aremine = false;

consensus.has_parent_chain = true;

enforce_pak = true;

multi_data_permitted = true;

parentGenesisBlockHash = uint256S("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f");
const bool parent_genesis_is_null = parentGenesisBlockHash == uint256();
assert(consensus.has_parent_chain != parent_genesis_is_null);
consensus.parentChainPowLimit = uint256S("0000000000000000ffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.parent_chain_signblockscript = CScript(); // It has PoW
consensus.pegin_min_depth = 100;

const CScript default_script(CScript() << OP_TRUE);
consensus.fedpegScript = StrHexToScriptWithDefault("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", default_script);


// Calculate pegged Bitcoin asset
std::vector<unsigned char> commit = CommitToArguments(consensus, strNetworkID);
uint256 entropy;
GenerateAssetEntropy(entropy, COutPoint(uint256(commit), 0), parentGenesisBlockHash);

// Elements serialization uses derivation, bitcoin serialization uses 0x00
if (g_con_elementswitness) {
CalculateAsset(consensus.pegged_asset, entropy);
} else {
assert(consensus.pegged_asset == CAsset());
}

consensus.parent_pegged_asset.SetHex("0x00"); // No parent pegged asset
initial_reissuance_tokens = 0;

consensus.subsidy_asset = consensus.pegged_asset;

// CSV always active
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0;
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
// Segwit, likewise
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;


// Finally, create genesis block
genesis = CreateGenesisBlock(consensus, CScript(commit), CScript(OP_RETURN), 1296688602, 2, 0x207fffff, 1, 0);
consensus.hashGenesisBlock = genesis.GetHash();
assert(consensus.hashGenesisBlock.GetHex() == "1466275836220db2944ca059a3a10ef6fd2ea684b0688d2c379296888a206003");
}

};


static std::unique_ptr<const CChainParams> globalChainParams;

const CChainParams &Params() {
Expand All @@ -617,6 +756,8 @@ std::unique_ptr<const CChainParams> CreateChainParams(const std::string& chain)
return std::unique_ptr<CChainParams>(new CTestNetParams());
else if (chain == CBaseChainParams::REGTEST)
return std::unique_ptr<CChainParams>(new CRegTestParams(gArgs));
else if (chain == CBaseChainParams::LIQUID1)
return std::unique_ptr<CChainParams>(new CLiquidV1Params());

return std::unique_ptr<CChainParams>(new CCustomParams(chain, gArgs));
}
Expand Down
1 change: 1 addition & 0 deletions src/chainparamsbase.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
const std::string CBaseChainParams::MAIN = "main";
const std::string CBaseChainParams::TESTNET = "test";
const std::string CBaseChainParams::REGTEST = "regtest";
const std::string CBaseChainParams::LIQUID1 = "liquidv1";

void SetupChainParamsBaseOptions()
{
Expand Down
1 change: 1 addition & 0 deletions src/chainparamsbase.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ class CBaseChainParams
static const std::string MAIN;
static const std::string TESTNET;
static const std::string REGTEST;
static const std::string LIQUID1;

const std::string& DataDir() const { return strDataDir; }
int RPCPort() const { return nRPCPort; }
Expand Down
11 changes: 11 additions & 0 deletions src/chainparamsseeds.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1287,4 +1287,15 @@ static SeedSpec6 pnSeed6_test[] = {
{{0xfd,0x87,0xd8,0x7e,0xeb,0x43,0x47,0xb1,0xe4,0x55,0xd1,0xb0,0x14,0x3f,0xb6,0xdb}, 18333},
{{0xfd,0x87,0xd8,0x7e,0xeb,0x43,0xa0,0x60,0x9e,0x46,0x54,0xdb,0x61,0x3b,0xb2,0x6f}, 18333}
};

static SeedSpec6 pnSeed6_liquidv1[] = {
{{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x23,0xc4,0x10,0xfe}, 7042},
{{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x23,0xed,0xb0,0x3f}, 7042},
{{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x23,0xed,0x51,0x0e}, 7042},
{{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x23,0xed,0x93,0x15}, 7042},
{{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x23,0xe3,0x5f,0x6d}, 7042},
{{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x23,0xe7,0x8d,0xad}, 7042},
{{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x68,0xc4,0x30,0xb8}, 7042},
{{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x23,0xe7,0x0a,0x93}, 7042}
};
#endif // BITCOIN_CHAINPARAMSSEEDS_H

0 comments on commit 00fba77

Please sign in to comment.