From 74c993d61644f2e24ec231ed46e1ee0abdbcbef1 Mon Sep 17 00:00:00 2001
From: Philippe Schommers <philippe@schommers.be>
Date: Wed, 26 Jul 2023 14:54:16 +0200
Subject: [PATCH] feat: add support for Chiado (#5208)

---
 beacon_chain/networking/network_metadata.nim   | 18 ++++++++++++++++--
 .../networking/network_metadata_gnosis.S       | 12 ++++++++++++
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/beacon_chain/networking/network_metadata.nim b/beacon_chain/networking/network_metadata.nim
index 19875b12c..6f9b243d1 100644
--- a/beacon_chain/networking/network_metadata.nim
+++ b/beacon_chain/networking/network_metadata.nim
@@ -221,6 +221,9 @@ when const_preset == "gnosis":
       gnosisGenesis {.importc: "gnosis_mainnet_genesis".}: ptr UncheckedArray[byte]
       gnosisGenesisSize {.importc: "gnosis_mainnet_genesis_size".}: int
 
+      chiadoGenesis {.importc: "gnosis_chiado_genesis".}: ptr UncheckedArray[byte]
+      chiadoGenesisSize {.importc: "gnosis_chiado_genesis_size".}: int
+
     # let `.incbin` in assembly file find the binary file through search path
     {.passc: "-I" & vendorDir.}
     {.compile: "network_metadata_gnosis.S".}
@@ -229,10 +232,19 @@ when const_preset == "gnosis":
     gnosisMetadata = loadCompileTimeNetworkMetadata(
       vendorDir & "/gnosis-chain-configs/mainnet",
       none(Eth1Network), not incbinEnabled)
+    chiadoMetadata = loadCompileTimeNetworkMetadata(
+      vendorDir & "/gnosis-chain-configs/chiado",
+      none(Eth1Network), not incbinEnabled)
 
   static:
-    checkForkConsistency(gnosisMetadata.cfg)
-    doAssert gnosisMetadata.cfg.DENEB_FORK_EPOCH == FAR_FUTURE_EPOCH
+    for network in [gnosisMetadata, chiadoMetadata]:
+      checkForkConsistency(network.cfg)
+
+    for network in [gnosisMetadata, chiadoMetadata]:
+      doAssert network.cfg.ALTAIR_FORK_EPOCH < FAR_FUTURE_EPOCH
+      doAssert network.cfg.BELLATRIX_FORK_EPOCH < FAR_FUTURE_EPOCH
+      doAssert network.cfg.CAPELLA_FORK_EPOCH < FAR_FUTURE_EPOCH
+      doAssert network.cfg.DENEB_FORK_EPOCH == FAR_FUTURE_EPOCH
 
 elif const_preset == "mainnet":
   import stew/assign2
@@ -309,6 +321,8 @@ proc getMetadataForNetwork*(
         warn "`--network:gnosis-chain` is deprecated, " &
           "use `--network:gnosis` instead"
         withGenesis(gnosisMetadata, gnosisGenesis)
+      of "chiado":
+        withGenesis(chiadoMetadata, chiadoGenesis)
       else:
         loadRuntimeMetadata()
 
diff --git a/beacon_chain/networking/network_metadata_gnosis.S b/beacon_chain/networking/network_metadata_gnosis.S
index 8e97f754d..2894de7a4 100644
--- a/beacon_chain/networking/network_metadata_gnosis.S
+++ b/beacon_chain/networking/network_metadata_gnosis.S
@@ -34,6 +34,13 @@ gnosis_mainnet_genesis_end:
 cdecl(gnosis_mainnet_genesis_size):
     .quad    gnosis_mainnet_genesis_end - gnosis_mainnet_genesis_data
 
+gnosis_chiado_genesis_data:
+    .incbin "gnosis-chain-configs/chiado/genesis.ssz"
+gnosis_chiado_genesis_end:
+    .global cdecl(gnosis_chiado_genesis_size)
+cdecl(gnosis_chiado_genesis_size):
+    .quad    gnosis_chiado_genesis_end - gnosis_chiado_genesis_data
+
 #if defined(__linux__) && defined(__pie__)
     .section	.data.rel.ro,"aw",@progbits
 #elif defined(__APPLE__)
@@ -44,3 +51,8 @@ cdecl(gnosis_mainnet_genesis_size):
     .p2align 3
 cdecl(gnosis_mainnet_genesis):
     .quad gnosis_mainnet_genesis_data
+
+    .global cdecl(gnosis_chiado_genesis)
+    .p2align 3
+cdecl(gnosis_chiado_genesis):
+    .quad gnosis_chiado_genesis_data