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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| // Copyright (c) 2024 The Navio developers | ||
| // Distributed under the MIT software license, see the accompanying | ||
| // file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||
|
|
||
| #ifndef NAVIO_BLSCT_TOKENS_INFO_H | ||
| #define NAVIO_BLSCT_TOKENS_INFO_H | ||
|
|
||
| #include <blsct/public_key.h> | ||
| #include <consensus/amount.h> | ||
| #include <tinyformat.h> | ||
| #include <util/moneystr.h> | ||
|
|
||
| namespace blsct { | ||
| enum TokenType : unsigned char { | ||
| TOKEN = 0, | ||
| NFT = 1 | ||
| }; | ||
| std::string TokenTypeToString(const TokenType& type) | ||
| { | ||
| switch (type) { | ||
| case TOKEN: { | ||
| return "token"; | ||
| } | ||
| case NFT: { | ||
| return "nft"; | ||
| } | ||
| default: | ||
| return "unknown"; | ||
| } | ||
| } | ||
| class TokenInfo | ||
| { | ||
| public: | ||
| TokenType type; | ||
| blsct::PublicKey publicKey; | ||
| std::map<std::string, std::string> mapMetadata; | ||
| CAmount nTotalSupply; | ||
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| TokenInfo(const TokenType& type, const blsct::PublicKey& publicKey, const std::map<std::string, std::string>& mapMetadata, | ||
| const CAmount& nTotalSupply) : type(type), publicKey(publicKey), mapMetadata(mapMetadata), nTotalSupply(nTotalSupply){}; | ||
| TokenInfo(){}; | ||
|
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| SERIALIZE_METHODS(TokenInfo, obj) { READWRITE(static_cast<unsigned char>(obj.type), obj.publicKey, obj.mapMetadata, obj.nTotalSupply); }; | ||
|
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| std::string ToString() const | ||
| { | ||
| std::string ret = strprintf("type=%s publicKey=%s", TokenTypeToString(type), publicKey.ToString()); | ||
| for (auto& it : mapMetadata) { | ||
| ret += strprintf(" %s=%s", it.first, it.second); | ||
| } | ||
| ret += strprintf(" nTotalSupply=%s", FormatMoney(nTotalSupply)); | ||
| return ret; | ||
| } | ||
| }; | ||
|
|
||
| class TokenEntry | ||
| { | ||
| public: | ||
| TokenInfo info; | ||
| CAmount nSupply; | ||
| std::map<CAmount, std::map<std::string, std::string>> mapMintedNft; | ||
|
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| TokenEntry(){}; | ||
| TokenEntry(const TokenInfo& info, | ||
| const CAmount& nSupply = 0) : info(info), nSupply(nSupply){}; | ||
| TokenEntry(const TokenInfo& info, | ||
| const std::map<CAmount, std::map<std::string, std::string>>& mapMintedNft) : info(info), mapMintedNft(mapMintedNft){}; | ||
|
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| bool Mint(const CAmount& amount) | ||
| { | ||
| if (amount + nSupply > info.nTotalSupply) | ||
| return false; | ||
| nSupply += nSupply; | ||
| return true; | ||
| }; | ||
|
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| SERIALIZE_METHODS(TokenEntry, obj) | ||
| { | ||
| READWRITE(obj.info); | ||
| if (obj.info.type == TOKEN) | ||
| READWRITE(obj.nSupply); | ||
| else if (obj.info.type == NFT) | ||
| READWRITE(obj.mapMintedNft); | ||
| }; | ||
| }; | ||
| } // namespace blsct | ||
|
|
||
| #endif // NAVIO_BLSCT_TOKENS_INFO_H |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| // Copyright (c) 2024 The Navio developers | ||
| // Distributed under the MIT software license, see the accompanying | ||
| // file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||
|
|
||
| #ifndef NAVIO_BLSCT_TOKENS_PREDICATE_H | ||
| #define NAVIO_BLSCT_TOKENS_PREDICATE_H | ||
|
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| namespace blsct { | ||
| typedef std::vector<std::byte> VectorPredicate; | ||
| } | ||
|
|
||
| #endif // NAVIO_BLSCT_TOKENS_PREDICATE_H |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| // Copyright (c) 2024 The Navio developers | ||
| // Distributed under the MIT software license, see the accompanying | ||
| // file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||
|
|
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| #include <blsct/tokens/predicate_parser.h> | ||
|
|
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| namespace blsct { | ||
| ParsedPredicate ParsePredicate(const VectorPredicate& vch) | ||
| { | ||
| DataStream ss{vch}; | ||
| PredicateOperation op; | ||
| ss >> Using<CustomUintFormatter<1>>(op); | ||
|
|
||
| if (op == CREATE_TOKEN) { | ||
| CreateTokenPredicate p; | ||
| ss >> p; | ||
| return p; | ||
| } else if (op == MINT) { | ||
| MintTokenPredicate p; | ||
| ss >> p; | ||
| return p; | ||
| } else if (op == NFT_MINT) { | ||
| MintNftPredicate p; | ||
| ss >> p; | ||
| return p; | ||
| } else if (op == PAY_FEE) { | ||
| PayFeePredicate p; | ||
| ss >> p; | ||
| return p; | ||
| } else { | ||
| throw std::ios_base::failure("unknown predicate operation"); | ||
| } | ||
| } | ||
|
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| bool ExecutePredicate(const ParsedPredicate& predicate, CCoinsViewCache& view, const bool& fDisconnect) | ||
| { | ||
| if (predicate.IsCreateTokenPredicate()) { | ||
| auto hash = predicate.GetPublicKey().GetHash(); | ||
|
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| if (!fDisconnect && view.HaveToken(hash)) return false; | ||
|
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| if (fDisconnect) | ||
| view.EraseToken(hash); | ||
| else | ||
| view.AddToken(hash, std::move(predicate.GetTokenInfo())); | ||
|
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| return true; | ||
| } else if (predicate.IsMintTokenPredicate()) { | ||
| auto hash = predicate.GetPublicKey().GetHash(); | ||
|
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| if (!view.HaveToken(hash)) | ||
| return false; | ||
|
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| blsct::TokenEntry token; | ||
|
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| if (!view.GetToken(hash, token)) | ||
| return false; | ||
|
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| if (!token.Mint(predicate.GetAmount() * (1 - 2 * fDisconnect))) | ||
| return false; | ||
|
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| view.AddToken(hash, std::move(token)); | ||
|
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| return true; | ||
| } else if (predicate.IsMintNftPredicate()) { | ||
| auto hash = predicate.GetPublicKey().GetHash(); | ||
|
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| if (!view.HaveToken(hash)) | ||
| return false; | ||
|
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| blsct::TokenEntry token; | ||
|
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| if (!view.GetToken(hash, token)) | ||
| return false; | ||
|
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| if (token.mapMintedNft.contains(predicate.GetNftId()) == !fDisconnect) | ||
| return false; | ||
|
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| token.mapMintedNft[predicate.GetNftId()] = predicate.GetNftMetaData(); | ||
|
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| view.AddToken(hash, std::move(token)); | ||
|
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| return true; | ||
| } else if (predicate.IsPayFeePredicate()) { | ||
| return true; | ||
| } | ||
|
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| return false; | ||
| } | ||
|
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| bool ExecutePredicate(const VectorPredicate& vch, CCoinsViewCache& view, const bool& fDisconnect) | ||
| { | ||
| return ExecutePredicate(ParsePredicate(vch), view, fDisconnect); | ||
| } | ||
| } // namespace blsct |
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