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io: add type-specific read/write methods

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This seriously improves the serialization/deserialization performance for
several reasons:
 * no time spent in `binary` reflection
 * no memory allocations being made on every read/write
 * uses fast ReadBytes everywhere it's appropriate

It also makes Fixed8 Serializable just for convenience.
This commit is contained in:
Roman Khimov 2019-12-12 18:52:23 +03:00
parent 89d7f6d26e
commit 54d888ba70
43 changed files with 441 additions and 205 deletions
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16
pkg/core/state/account.go
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@ -39,9 +39,9 @@ func NewAccount(scriptHash util.Uint160) *Account {
// DecodeBinary decodes Account from the given BinReader.
func (s *Account) DecodeBinary(br *io.BinReader) {
br.ReadLE(&s.Version)
s.Version = uint8(br.ReadByte())
br.ReadBytes(s.ScriptHash[:])
br.ReadLE(&s.IsFrozen)
s.IsFrozen = br.ReadBool()
br.ReadArray(&s.Votes)
s.Balances = make(map[util.Uint256][]UnspentBalance)
@ -57,9 +57,9 @@ func (s *Account) DecodeBinary(br *io.BinReader) {
// EncodeBinary encodes Account to the given BinWriter.
func (s *Account) EncodeBinary(bw *io.BinWriter) {
bw.WriteLE(s.Version)
bw.WriteByte(byte(s.Version))
bw.WriteBytes(s.ScriptHash[:])
bw.WriteLE(s.IsFrozen)
bw.WriteBool(s.IsFrozen)
bw.WriteArray(s.Votes)
bw.WriteVarUint(uint64(len(s.Balances)))
@ -72,15 +72,15 @@ func (s *Account) EncodeBinary(bw *io.BinWriter) {
// DecodeBinary implements io.Serializable interface.
func (u *UnspentBalance) DecodeBinary(r *io.BinReader) {
u.Tx.DecodeBinary(r)
r.ReadLE(&u.Index)
r.ReadLE(&u.Value)
u.Index = r.ReadU16LE()
u.Value.DecodeBinary(r)
}
// EncodeBinary implements io.Serializable interface.
func (u *UnspentBalance) EncodeBinary(w *io.BinWriter) {
u.Tx.EncodeBinary(w)
w.WriteLE(u.Index)
w.WriteLE(u.Value)
w.WriteU16LE(u.Index)
u.Value.EncodeBinary(w)
}
// GetBalanceValues sums all unspent outputs and returns a map of asset IDs to