mirror of
https://github.com/kaspanet/kaspad.git
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aeb4b96560
* [NOD-1451] Implement block validator * [NOD-1451] Implement block validator * [NOD-1451] Fix merge errors * [NOD-1451] Implement block validator * [NOD-1451] Implement checkTransactionInIsolation * [NOD-1451] Copy txscript to validator * [NOD-1451] Change txscript to new design * [NOD-1451] Add checkTransactionInContext * [NOD-1451] Add checkBlockSize * [NOD-1451] Add error handling * [NOD-1451] Implement checkTransactionInContext * [NOD-1451] Add checkTransactionMass placeholder * [NOD-1451] Finish validators * [NOD-1451] Add comments and stringers * [NOD-1451] Return model.TransactionValidator interface * [NOD-1451] Premake rule errors for each "code" * [NOD-1451] Populate transaction mass * [NOD-1451] Renmae functions * [NOD-1451] Always use skipPow=false * [NOD-1451] Renames * [NOD-1451] Remove redundant types from WriteElement * [NOD-1451] Fix error message * [NOD-1451] Add checkTransactionPayload * [NOD-1451] Add ValidateProofOfWorkAndDifficulty to block validator interface * [NOD-1451] Move stringers to model * [NOD-1451] Fix error message
105 lines
2.2 KiB
Go
105 lines
2.2 KiB
Go
package hashserialization
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import (
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"encoding/binary"
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"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
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"github.com/kaspanet/kaspad/util/binaryserializer"
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"github.com/pkg/errors"
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"io"
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)
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var (
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// littleEndian is a convenience variable since binary.LittleEndian is
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// quite long.
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littleEndian = binary.LittleEndian
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// bigEndian is a convenience variable since binary.BigEndian is quite
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// long.
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bigEndian = binary.BigEndian
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)
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// errNoEncodingForType signifies that there's no encoding for the given type.
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var errNoEncodingForType = errors.New("there's no encoding for this type")
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// WriteElement writes the little endian representation of element to w.
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func WriteElement(w io.Writer, element interface{}) error {
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// Attempt to write the element based on the concrete type via fast
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// type assertions first.
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switch e := element.(type) {
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case int32:
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err := binaryserializer.PutUint32(w, littleEndian, uint32(e))
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if err != nil {
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return err
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}
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return nil
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case uint32:
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err := binaryserializer.PutUint32(w, littleEndian, e)
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if err != nil {
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return err
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}
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return nil
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case int64:
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err := binaryserializer.PutUint64(w, littleEndian, uint64(e))
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if err != nil {
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return err
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}
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return nil
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case uint64:
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err := binaryserializer.PutUint64(w, littleEndian, e)
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if err != nil {
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return err
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}
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return nil
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case uint8:
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err := binaryserializer.PutUint8(w, e)
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if err != nil {
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return err
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}
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return nil
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case bool:
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var err error
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if e {
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err = binaryserializer.PutUint8(w, 0x01)
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} else {
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err = binaryserializer.PutUint8(w, 0x00)
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}
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if err != nil {
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return err
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}
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return nil
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case *externalapi.DomainHash:
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_, err := w.Write(e[:])
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if err != nil {
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return err
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}
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return nil
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case *externalapi.DomainSubnetworkID:
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_, err := w.Write(e[:])
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if err != nil {
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return err
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}
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return nil
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}
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return errors.Wrapf(errNoEncodingForType, "couldn't find a way to write type %T", element)
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}
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// writeElements writes multiple items to w. It is equivalent to multiple
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// calls to writeElement.
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func writeElements(w io.Writer, elements ...interface{}) error {
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for _, element := range elements {
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err := WriteElement(w, element)
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if err != nil {
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return err
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}
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}
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return nil
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}
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