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eth/downloader: panic if sync cycle configured with unknown sync mode. remove LightSync mode definition.

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This commit is contained in:
Jared Wasinger 2024-05-06 06:24:49 -07:00
parent 5b5023516c
commit 416ae197ad
2 changed files with 9 additions and 12 deletions
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6
eth/downloader/beaconsync.go
View file

@ -201,6 +201,8 @@ func (d *Downloader) findBeaconAncestor() (uint64, error) {
chainHead = d.blockchain.CurrentBlock()
case SnapSync:
chainHead = d.blockchain.CurrentSnapBlock()
default:
panic("unknown sync mode")
}
number := chainHead.Number.Uint64()
@ -220,7 +222,7 @@ func (d *Downloader) findBeaconAncestor() (uint64, error) {
case SnapSync:
linked = d.blockchain.HasFastBlock(beaconTail.ParentHash, beaconTail.Number.Uint64()-1)
default:
linked = d.blockchain.HasHeader(beaconTail.ParentHash, beaconTail.Number.Uint64()-1)
panic("unknown sync mode")
}
if !linked {
// This is a programming error. The chain backfiller was called with a
@ -254,6 +256,8 @@ func (d *Downloader) findBeaconAncestor() (uint64, error) {
known = d.blockchain.HasBlock(h.Hash(), n)
case SnapSync:
known = d.blockchain.HasFastBlock(h.Hash(), n)
default:
panic("unknown sync mode")
}
if !known {
end = check

15
eth/downloader/modes.go
View file

@ -23,13 +23,12 @@ import "fmt"
type SyncMode uint32
const (
FullSync SyncMode = iota // Synchronise the entire blockchain history from full blocks
SnapSync // Download the chain and the state via compact snapshots
LightSync // Download only the headers and terminate afterwards
FullSync SyncMode = iota // Synchronise the entire blockchain history from full blocks
SnapSync // Download the chain and the state via compact snapshots
)
func (mode SyncMode) IsValid() bool {
return mode >= FullSync && mode < LightSync
return mode == FullSync || mode == SnapSync
}
// String implements the stringer interface.
@ -39,8 +38,6 @@ func (mode SyncMode) String() string {
return "full"
case SnapSync:
return "snap"
case LightSync:
return "light"
default:
return "unknown"
}
@ -52,8 +49,6 @@ func (mode SyncMode) MarshalText() ([]byte, error) {
return []byte("full"), nil
case SnapSync:
return []byte("snap"), nil
case LightSync:
return []byte("light"), nil
default:
return nil, fmt.Errorf("unknown sync mode %d", mode)
}
@ -65,10 +60,8 @@ func (mode *SyncMode) UnmarshalText(text []byte) error {
*mode = FullSync
case "snap":
*mode = SnapSync
case "light":
*mode = LightSync
default:
return fmt.Errorf(`unknown sync mode %q, want "full", "snap" or "light"`, text)
return fmt.Errorf(`unknown sync mode %q, want "full" or "snap"`, text)
}
return nil
}