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Protocol 13
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| #include "abstracttransaction.h" | ||
| #include "transaction.h" | ||
| #include "feebumptransaction.h" | ||
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| AbstractTransaction::AbstractTransaction(Network *network) : m_network(network) | ||
| { | ||
| checkNotNull(network, "network cannot be null"); | ||
| } | ||
| void AbstractTransaction::sign(KeyPair *signer) { | ||
| checkNotNull(signer, "signer cannot be null"); | ||
| QByteArray txHash = this->hash(); | ||
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| m_signatures.append(signer->signDecorated(txHash)); | ||
| } | ||
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| void AbstractTransaction::sign(QByteArray preimage) { | ||
| checkNotNull(preimage, "preimage cannot be null"); | ||
| stellar::DecoratedSignature decoratedSignature; | ||
| stellar::Signature &signature = decoratedSignature.signature; | ||
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| signature.set(reinterpret_cast<uchar*>(preimage.data()),preimage.length()); | ||
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| QByteArray hash = Util::hash(preimage); | ||
| QByteArray signatureHintBytes =hash.right(4); | ||
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| stellar::SignatureHint &signatureHint = decoratedSignature.hint; | ||
| memcpy(signatureHint.signatureHint,signatureHintBytes.data(),4); | ||
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| decoratedSignature.hint = signatureHint; | ||
| decoratedSignature.signature = signature; | ||
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| m_signatures.append(decoratedSignature); | ||
| } | ||
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| QByteArray AbstractTransaction::hash() const | ||
| { | ||
| return Util::hash(this->signatureBase()); | ||
| } | ||
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| QString AbstractTransaction::hashHex() const | ||
| { | ||
| return QString::fromLatin1(hash().toHex()); | ||
| } | ||
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| Network *AbstractTransaction::getNetwork() const | ||
| { | ||
| return m_network; | ||
| } | ||
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| QVector<stellar::DecoratedSignature> AbstractTransaction::getSignatures() const { | ||
| return m_signatures; | ||
| } | ||
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| AbstractTransaction *AbstractTransaction::fromEnvelopeXdr(stellar::TransactionEnvelope &xdr, Network* network) | ||
| { | ||
| switch(xdr.type) | ||
| { | ||
| case stellar::EnvelopeType::ENVELOPE_TYPE_TX: | ||
| { | ||
| return Transaction::fromV1EnvelopeXdr(xdr.v1,network); | ||
| } | ||
| case stellar::EnvelopeType::ENVELOPE_TYPE_TX_V0: | ||
| { | ||
| return Transaction::fromV0EnvelopeXdr(xdr.v0,network); | ||
| } | ||
| case stellar::EnvelopeType::ENVELOPE_TYPE_TX_FEE_BUMP: | ||
| { | ||
| return FeeBumpTransaction::fromFeeBumpTransactionEnvelope(xdr.feeBump, network); | ||
| } | ||
| default: throw std::runtime_error("transaction type is not supported"); | ||
| } | ||
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| } | ||
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| AbstractTransaction *AbstractTransaction::fromEnvelopeXdr(QString envelope, Network *network) | ||
| { | ||
| QByteArray data = QByteArray::fromBase64(envelope.toLatin1()); | ||
| QDataStream stream(&data, QIODevice::ReadOnly); | ||
| stellar::TransactionEnvelope xdr; | ||
| stream >> xdr; | ||
| return fromEnvelopeXdr(xdr,network); | ||
| } | ||
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| QString AbstractTransaction::toEnvelopeXdrBase64() { | ||
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| stellar::TransactionEnvelope envelope =this->toEnvelopeXdr(); | ||
| QByteArray outputStream; | ||
| QDataStream xdrOutputStream(&outputStream,QIODevice::WriteOnly); | ||
| xdrOutputStream<< envelope; | ||
| return outputStream.toBase64(XDR_BASE64ENCODING); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| #ifndef ABSTRACTTRANSACTION_H | ||
| #define ABSTRACTTRANSACTION_H | ||
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| #include <QObject> | ||
| #include "xdr/stellartransaction.h" | ||
| #include "keypair.h" | ||
| #include "operation.h" | ||
| #include "memo.h" | ||
| #include "network.h" | ||
| class AbstractTransaction : public QObject | ||
| { | ||
| Q_OBJECT | ||
| protected: | ||
| Network* m_network; | ||
| QVector<stellar::DecoratedSignature> m_signatures; | ||
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| explicit AbstractTransaction(Network* network); | ||
| public: | ||
| static const int MIN_BASE_FEE = 100; | ||
| /** | ||
| * Adds a new signature ed25519PublicKey to this transaction. | ||
| * @param signer {@link KeyPair} object representing a signer | ||
| */ | ||
| void sign(KeyPair* signer); | ||
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| /** | ||
| * Adds a new sha256Hash signature to this transaction by revealing preimage. | ||
| * @param preimage the sha256 hash of preimage should be equal to signer hash | ||
| */ | ||
| void sign(QByteArray preimage); | ||
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| /** | ||
| * Returns transaction hash. | ||
| */ | ||
| QByteArray hash() const; | ||
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| /** | ||
| * Returns transaction hash encoded as a hexadecimal string. | ||
| */ | ||
| QString hashHex() const; | ||
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| /** | ||
| * Returns signature base. | ||
| */ | ||
| virtual QByteArray signatureBase() const= 0; | ||
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| Network* getNetwork() const; | ||
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| QVector<stellar::DecoratedSignature> getSignatures() const; | ||
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| /** | ||
| * Generates TransactionEnvelope XDR object. | ||
| */ | ||
| virtual stellar::TransactionEnvelope toEnvelopeXdr() = 0; | ||
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| /** | ||
| * Returns base64-encoded TransactionEnvelope XDR object. Transaction need to have at least one signature. | ||
| */ | ||
| QString toEnvelopeXdrBase64(); | ||
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| /** | ||
| * Returns new AbstractTransaction object from Transaction XDR object. | ||
| * @param xdr XDR object | ||
| */ | ||
| static AbstractTransaction* fromEnvelopeXdr(stellar::TransactionEnvelope& xdr, Network * network = Network::current()); | ||
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| /** | ||
| * Creates a <code>Transaction</code> instance from previously build <code>TransactionEnvelope</code> | ||
| * @param envelope Base-64 encoded <code>TransactionEnvelope</code> | ||
| * @return | ||
| * @throws IOException | ||
| */ | ||
| static AbstractTransaction* fromEnvelopeXdr(QString envelope, Network* network= Network::current()); | ||
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| signals: | ||
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| }; | ||
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| #endif // ABSTRACTTRANSACTION_H |
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