From 836ed9d6b70e3ae928624f9ed81ed206a66b85b8 Mon Sep 17 00:00:00 2001 From: obscuren Date: Fri, 22 Aug 2014 11:34:59 +0200 Subject: Write Protocol version to the db so we can perform sanity checks --- ethereum.go | 12 +++++++++++- ethutil/value.go | 2 ++ 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/ethereum.go b/ethereum.go index 1e1891589..4c5e13b6d 100644 --- a/ethereum.go +++ b/ethereum.go @@ -90,7 +90,6 @@ type Ethereum struct { } func New(db ethutil.Database, clientIdentity ethwire.ClientIdentity, keyManager *ethcrypto.KeyManager, caps Caps, usePnp bool) (*Ethereum, error) { - var err error var nat NAT @@ -101,6 +100,8 @@ func New(db ethutil.Database, clientIdentity ethwire.ClientIdentity, keyManager } } + bootstrapDb(db) + ethutil.Config.Db = db nonce, _ := ethutil.RandomUint64() @@ -534,3 +535,12 @@ out: } } } + +func bootstrapDb(db ethutil.Database) { + d, _ := db.Get([]byte("ProtocolVersion")) + protov := ethutil.NewValue(d).Uint() + + if protov == 0 { + db.Put([]byte("ProtocolVersion"), ethutil.NewValue(ProtocolVersion).Bytes()) + } +} diff --git a/ethutil/value.go b/ethutil/value.go index 608d332ba..b336345ca 100644 --- a/ethutil/value.go +++ b/ethutil/value.go @@ -141,6 +141,8 @@ func (val *Value) Bytes() []byte { return []byte(s) } else if s, ok := val.Val.(*big.Int); ok { return s.Bytes() + } else { + return big.NewInt(val.Int()).Bytes() } return []byte{} -- cgit v1.2.3