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@ -24,7 +24,7 @@ |
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#include <libdevcore/RLP.h> |
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#include <libdevcrypto/SHA3.h> |
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#include <libethcore/Common.h> |
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#include <libethcore/Params.h> |
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namespace dev |
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{ |
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namespace eth |
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@ -37,11 +37,11 @@ enum IncludeSignature |
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WithSignature = 1, ///< Do include a signature.
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}; |
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enum class CheckSignature |
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enum class CheckTransaction |
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{ |
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None, |
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Range, |
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Sender |
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Cheap, |
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Everything |
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}; |
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enum class TransactionException |
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@ -119,10 +119,10 @@ public: |
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Transaction(u256 const& _value, u256 const& _gasPrice, u256 const& _gas, bytes const& _data): m_type(ContractCreation), m_value(_value), m_gasPrice(_gasPrice), m_gas(_gas), m_data(_data) {} |
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/// Constructs a transaction from the given RLP.
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explicit Transaction(bytesConstRef _rlp, CheckSignature _checkSig); |
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explicit Transaction(bytesConstRef _rlp, CheckTransaction _checkSig); |
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/// Constructs a transaction from the given RLP.
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explicit Transaction(bytes const& _rlp, CheckSignature _checkSig): Transaction(&_rlp, _checkSig) {} |
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explicit Transaction(bytes const& _rlp, CheckTransaction _checkSig): Transaction(&_rlp, _checkSig) {} |
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/// Checks equality of transactions.
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@ -178,6 +178,15 @@ public: |
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/// @returns the signature of the transaction. Encodes the sender.
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SignatureStruct const& signature() const { return m_vrs; } |
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/// @returns true if the transaction contains enough gas for the basic payment.
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bool checkPayment() const { return m_gas >= gasRequired(); } |
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/// @returns the gas required to run this transaction.
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bigint gasRequired() const; |
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/// Get the fee associated for a transaction with the given data.
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template <class T> static bigint gasRequired(T const& _data, u256 _gas = 0) { bigint ret = c_txGas + _gas; for (auto i: _data) ret += i ? c_txDataNonZeroGas : c_txDataZeroGas; return ret; } |
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private: |
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/// Type of transaction.
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enum Type |
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@ -199,6 +208,7 @@ private: |
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SignatureStruct m_vrs; ///< The signature of the transaction. Encodes the sender.
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mutable Address m_sender; ///< Cached sender, determined from signature.
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mutable bigint m_gasRequired = 0; ///< Memoised amount required for the transaction to run.
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}; |
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/// Nice name for vector of Transaction.
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Gav Wood
10 years ago