Merge pull request #134 from Fantom-foundation/jk/export-genesis-no-history

Export genesis for validators with no historical blocks

Author: thaarok

cmd/sonictool/chain/export_genesis.go

@@ -43,6 +43,9 @@ func ExportGenesis(gdb *gossip.Store, includeArchive bool, out *os.File, tmpPath
 	}
 
 	// blocks
+	if !includeArchive && to > 1 {
+		from = to - 1 // only blocks of the last epoch for non-archive genesis
+	}
 	writer = newUnitWriter(out)
 	if err := writer.Start(header, "brs", tmpPath); err != nil {
 		return err

cmd/sonictool/genesis/allowed.go

@@ -147,6 +147,15 @@ var (
 				genesisstore.FwsArchiveSection(0): hash.HexToHash("0x7d8c63e5a080fd53daa991aa30d5b990d421c199d7c3c398982a73ddc59b1541"),
 			},
 		},
+		{
+			Name:   "Mainnet-283890 with Carmen live state only and the last epoch blocks only",
+			Header: mainnetHeader,
+			Hashes: genesis.Hashes{
+				genesisstore.EpochsSection(0):  hash.HexToHash("0x776ce5900d2e8e2f088ff4eb2cfb9ee4632a0d9f0378bc8fd21da0d9d49b9272"),
+				genesisstore.BlocksSection(0):  hash.HexToHash("0x3f6c530995c5e7c506d9106d20d69f94fa79aa68a24b426e3f0653c64d1100b7"),
+				genesisstore.FwsLiveSection(0): hash.HexToHash("0xf8b42be75150cd76b5f86c8c4d67a9aaae90332d0be648df4f93e0bc4830d35e"),
+			},
+		},
 
 		{
 			Name:   "Testnet-2458 with pruned MPT",