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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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10
cli/server/server.go
View file

@ -167,7 +167,7 @@ func dumpDB(ctx *cli.Context) error {
if count == 0 {
count = chainHeight - skip
}
writer.WriteLE(count)
writer.WriteU32LE(count)
for i := skip + 1; i <= skip+count; i++ {
bh := chain.GetHeaderHash(int(i))
b, err := chain.GetBlock(bh)
@ -211,8 +211,7 @@ func restoreDB(ctx *cli.Context) error {
}
go chain.Run()
var allBlocks uint32
reader.ReadLE(&allBlocks)
var allBlocks = reader.ReadU32LE()
if reader.Err != nil {
return cli.NewExitError(err, 1)
}
@ -249,10 +248,9 @@ func restoreDB(ctx *cli.Context) error {
// readBlock performs reading of block size and then bytes with the length equal to that size.
func readBlock(reader *io.BinReader) ([]byte, error) {
var size uint32
reader.ReadLE(&size)
var size = reader.ReadU32LE()
bytes := make([]byte, size)
reader.ReadLE(bytes)
reader.ReadBytes(bytes)
if reader.Err != nil {
return nil, reader.Err
}