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les: historical data garbage collection (#19570)

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This change introduces garbage collection for the light client. Historical
chain data is deleted periodically. If you want to disable the GC, use
the --light.nopruning flag.
This commit is contained in:
gary rong
2020-07-13 17:02:54 +08:00
committed by GitHub
parent b8dd0890b3
commit 6eef141aef
45 changed files with 841 additions and 213 deletions
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10
les/odr_requests.go
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@ -110,14 +110,16 @@ func (r *BlockRequest) Validate(db ethdb.Database, msg *Msg) error {
body := bodies[0]
// Retrieve our stored header and validate block content against it
header := rawdb.ReadHeader(db, r.Hash, r.Number)
if header == nil {
if r.Header == nil {
r.Header = rawdb.ReadHeader(db, r.Hash, r.Number)
}
if r.Header == nil {
return errHeaderUnavailable
}
if header.TxHash != types.DeriveSha(types.Transactions(body.Transactions)) {
if r.Header.TxHash != types.DeriveSha(types.Transactions(body.Transactions)) {
return errTxHashMismatch
}
if header.UncleHash != types.CalcUncleHash(body.Uncles) {
if r.Header.UncleHash != types.CalcUncleHash(body.Uncles) {
return errUncleHashMismatch
}
// Validations passed, encode and store RLP