add fork spec

Signed-off-by: Naohiro Yoshida <naohiro.yoshida@datachain.jp>

Author: Naohiro Yoshida

module/config.go

@@ -17,5 +17,8 @@ func (c *ProverConfig) Build(chain core.Chain) (core.Prover, error) {
 }
 
 func (c *ProverConfig) Validate() error {
+	if GetForkParameters(Network(c.Network)) == nil {
+		return fmt.Errorf("unknown network: %s", c.Network)
+	}
 	return nil
 }

module/config.pb.go

@@ -0,0 +1,38 @@
+package module
+
+type Network string
+
+const (
+	Localnet Network = "localnet"
+	Testnet  Network = "testnet"
+	Mainnet  Network = "mainnet"
+)
+
+// After Pascal HF only
+func GetForkParameters(network Network) []*ForkSpec {
+	switch network {
+	case Localnet:
+		return []*ForkSpec{
+			{
+				HeightOrTimestamp:         &ForkSpec_Timestamp{Timestamp: 0},
+				AdditionalHeaderItemCount: 21,
+			},
+		}
+	case Testnet:
+		return []*ForkSpec{
+			{
+				HeightOrTimestamp:         &ForkSpec_Timestamp{Timestamp: 1740452880},
+				AdditionalHeaderItemCount: 21,
+			},
+		}
+	case Mainnet:
+		return []*ForkSpec{
+			{
+				//TODO
+				HeightOrTimestamp:         &ForkSpec_Timestamp{Timestamp: 0},
+				AdditionalHeaderItemCount: 21,
+			},
+		}
+	}
+	return nil
+}