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mint token and nft rpc
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alex v committed Nov 10, 2024
1 parent dce6216 commit 5480223
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Showing 3 changed files with 193 additions and 7 deletions.
9 changes: 4 additions & 5 deletions src/blsct/tokens/rpc.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,8 @@ std::vector<RPCResult> tokenInfoResult = {
RPCResult{RPCResult::Type::NUM, "maxSupply", "the token max supply"},
};

void TokenToUniValue(const blsct::TokenEntry& token, UniValue& obj) {
void TokenToUniValue(UniValue& obj, const blsct::TokenEntry& token)
{
obj.pushKV("publicKey", token.info.publicKey.ToString());
obj.pushKV("type", blsct::TokenTypeToString(token.info.type));
UniValue metadata{UniValue::VOBJ};
Expand Down Expand Up @@ -47,9 +48,8 @@ gettoken()
RPCResult{RPCResult::Type::OBJ, "", "", tokenInfoResult},
RPCExamples{HelpExampleCli("gettoken", "ba12afc43322f204fe6236b11a0f85b5d9edcb09f446176c73fe4abe99a17edd")},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue {
ChainstateManager& chainman = EnsureAnyChainman(request.context);

LOCK(cs_main);
ChainstateManager& chainman = EnsureAnyChainman(request.context);
Chainstate& active_chainstate = chainman.ActiveChainstate();

CCoinsViewCache* coins_view;
Expand Down Expand Up @@ -80,9 +80,8 @@ listtokens()
}},
RPCExamples{HelpExampleCli("listtokens", "")},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue {
ChainstateManager& chainman = EnsureAnyChainman(request.context);

LOCK(cs_main);
ChainstateManager& chainman = EnsureAnyChainman(request.context);
Chainstate& active_chainstate = chainman.ActiveChainstate();

CCoinsViewCache* coins_view;
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188 changes: 186 additions & 2 deletions src/blsct/wallet/rpc.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,22 @@ UniValue CreateTokenOrNft(const RPCHelpMan& self, const JSONRPCRequest& request,
tokenInfo.nTotalSupply = max_supply;
tokenInfo.mapMetadata = mapMetadata;
tokenInfo.type = type;
tokenInfo.publicKey = blsct_km->GetTokenKey((HashWriter{} << tokenInfo.mapMetadata << tokenInfo.nTotalSupply).GetHash()).GetPublicKey();

auto tokenId = (HashWriter{} << tokenInfo.mapMetadata << tokenInfo.nTotalSupply).GetHash();

{
LOCK(cs_main);
ChainstateManager& chainman = EnsureAnyChainman(request.context);
Chainstate& active_chainstate = chainman.ActiveChainstate();

CCoinsViewCache* coins_view;
coins_view = &active_chainstate.CoinsTip();

if (coins_view->HaveToken(tokenId))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Token already exists");
}

tokenInfo.publicKey = blsct_km->GetTokenKey(tokenId).GetPublicKey();

blsct::CreateTransactionData
transactionData(tokenInfo);
Expand Down Expand Up @@ -128,18 +143,187 @@ RPCHelpMan createtoken()
{"max_supply", RPCArg::Type::AMOUNT, RPCArg::Optional::NO, "The token max supply."}},
RPCResult{
RPCResult::Type::STR_HEX, "tokenId", "the token id"},
RPCExamples{HelpExampleRpc("createtoken", "{'name':'Token'} 1000")},
RPCExamples{HelpExampleRpc("createtoken", "{\"name\":\"Token\"} 1000")},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue {
return CreateTokenOrNft(self, request, blsct::TOKEN);
},
};
}

RPCHelpMan minttoken()
{
return RPCHelpMan{
"minttoken",
"Mints a certain amount of tokens to an address.\n",
{{
"token_id",
RPCArg::Type::STR_HEX,
RPCArg::Optional::NO,
"The token id.",
},
{
"address",
RPCArg::Type::STR,
RPCArg::Optional::NO,
"The address where the tokens will be minted.",
},
{"amount", RPCArg::Type::AMOUNT, RPCArg::Optional::NO, "The token amount to be minted."}},
RPCResult{
RPCResult::Type::STR_HEX, "hash", "The transaction hash"},
RPCExamples{HelpExampleRpc("minttoken", "d46a375d31843d6a303dc7a8c0e0cccaa2d89f442052226fd5337b4d77afcc80 " + BLSCT_EXAMPLE_ADDRESS[0] + " 1000")},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue {
std::shared_ptr<wallet::CWallet> const pwallet = wallet::GetWalletForJSONRPCRequest(request);
if (!pwallet) return UniValue::VNULL;

// Make sure the results are valid at least up to the most recent block
// the user could have gotten from another RPC command prior to now
pwallet->BlockUntilSyncedToCurrentChain();

LOCK(pwallet->cs_wallet);

auto blsct_km = pwallet->GetOrCreateBLSCTKeyMan();

uint256 token_id(ParseHashV(request.params[0], "token_id"));
const std::string address = request.params[1].get_str();
CAmount mint_amount = AmountFromValue(request.params[2]);
blsct::TokenEntry token;

{
LOCK(cs_main);
ChainstateManager& chainman = EnsureAnyChainman(request.context);
Chainstate& active_chainstate = chainman.ActiveChainstate();
CCoinsViewCache* coins_view;
coins_view = &active_chainstate.CoinsTip();

if (!coins_view->GetToken(token_id, token))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Unknown token");

auto publicKey = blsct_km->GetTokenKey(token_id).GetPublicKey();

if (publicKey != token.info.publicKey)
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "You don't own the token");
}

blsct::CreateTransactionData
transactionData(token.info, mint_amount, address);

EnsureWalletIsUnlocked(*pwallet);

auto hash = blsct::SendTransaction(*pwallet, transactionData, false);

UniValue ret{UniValue::VOBJ};
ret.pushKV("hash", hash);

return ret;
},
};
}

RPCHelpMan mintnft()
{
return RPCHelpMan{
"mintnft",
"Mints a NFT to an address.\n",
{{
"token_id",
RPCArg::Type::STR_HEX,
RPCArg::Optional::NO,
"The token id.",
},
{
"nft_id",
RPCArg::Type::AMOUNT,
RPCArg::Optional::NO,
"The nft id.",
},
{
"address",
RPCArg::Type::STR,
RPCArg::Optional::NO,
"The address where the tokens will be minted.",
},
{
"metadata",
RPCArg::Type::OBJ_USER_KEYS,
RPCArg::Optional::NO,
"The token metadata",
{
{"key", RPCArg::Type::STR, RPCArg::Optional::NO, "value"},
},
}},
RPCResult{
RPCResult::Type::STR_HEX, "hash", "The transaction hash"},
RPCExamples{HelpExampleRpc("mintnft", "d46a375d31843d6a303dc7a8c0e0cccaa2d89f442052226fd5337b4d77afcc80 1 " + BLSCT_EXAMPLE_ADDRESS[0] + " {\"desc\":\"Your first NFT\"}")},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue {
std::shared_ptr<wallet::CWallet> const pwallet = wallet::GetWalletForJSONRPCRequest(request);
if (!pwallet) return UniValue::VNULL;

// Make sure the results are valid at least up to the most recent block
// the user could have gotten from another RPC command prior to now
pwallet->BlockUntilSyncedToCurrentChain();

LOCK(pwallet->cs_wallet);

auto blsct_km = pwallet->GetOrCreateBLSCTKeyMan();

uint256 token_id(ParseHashV(request.params[0], "token_id"));
CAmount nft_id = AmountFromValue(request.params[1]);
const std::string address = request.params[2].get_str();
std::map<std::string, UniValue> metadata;
if (!request.params[3].isNull() && !request.params[3].get_obj().empty())
request.params[3].get_obj().getObjMap(metadata);

std::map<std::string, std::string> mapMetadata;

for (auto& it : metadata) {
if (it.second.isNull() || !it.second.isStr() || it.second.get_str().empty())
continue;
mapMetadata[it.first] = it.second.get_str();
}

blsct::TokenEntry token;

{
LOCK(cs_main);
ChainstateManager& chainman = EnsureAnyChainman(request.context);
Chainstate& active_chainstate = chainman.ActiveChainstate();
CCoinsViewCache* coins_view;
coins_view = &active_chainstate.CoinsTip();

if (!coins_view->GetToken(token_id, token))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Unknown token");

auto publicKey = blsct_km->GetTokenKey(token_id).GetPublicKey();

if (publicKey != token.info.publicKey)
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "You don't own the token");

if (token.mapMintedNft.count(nft_id))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "The NFT is already minted");
}

blsct::CreateTransactionData
transactionData(token.info, nft_id, address, mapMetadata);

EnsureWalletIsUnlocked(*pwallet);

auto hash = blsct::SendTransaction(*pwallet, transactionData, false);

UniValue ret{UniValue::VOBJ};
ret.pushKV("hash", hash);

return ret;
},
};
}

Span<const CRPCCommand> GetBLSCTWalletRPCCommands()
{
static const CRPCCommand commands[]{
{"blsct", &createnft},
{"blsct", &createtoken},
{"blsct", &minttoken},
{"blsct", &mintnft},
};
return commands;
}
3 changes: 3 additions & 0 deletions src/rpc/client.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -321,6 +321,9 @@ static const CRPCConvertParam vRPCConvertParams[] =
{ "createtoken", 1, "max_supply"},
{ "createnft", 0, "metadata"},
{ "createnft", 1, "max_supply"},
{ "minttoken", 2, "amount"},
{ "mintnft", 1, "nft_id"},
{ "mintnft", 3, "metadata"},
};
// clang-format on

Expand Down

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