Fix Gnosis Chain fork ID (#5487)

consensus/misc/eip1559_test.go

@@ -58,6 +58,7 @@ func copyConfig(original *params.ChainConfig) *params.ChainConfig {
 		BrunoBlock:                    original.BrunoBlock,
 		EulerBlock:                    original.EulerBlock,
 		GibbsBlock:                    original.GibbsBlock,
+		PosdaoBlock:                   original.PosdaoBlock,
 		Ethash:                        original.Ethash,
 		Clique:                        original.Clique,
 		Aura:                          original.Aura,

core/forkid/forkid_test.go

@@ -145,6 +145,14 @@ func TestCreation(t *testing.T) {
 				{1735371, ID{Hash: checksumToBytes(0xb96cbd13), Next: 0}},       // First MergeNetsplit block
 			},
 		},
+		// Gnosis test cases
+		{
+			params.GnosisChainConfig,
+			params.GnosisGenesisHash,
+			[]testcase{
+				{24000000, ID{Hash: checksumToBytes(0x018479D3), Next: 0}},
+			},
+		},
 	}
 	for i, tt := range tests {
 		for j, ttt := range tt.cases {

params/chainspecs/gnosis.json

@@ -10,6 +10,7 @@
   "constantinopleBlock": 1604400,
   "petersburgBlock": 2508800,
   "istanbulBlock": 7298030,
+  "posdaoBlock": 9186425,
   "berlinBlock": 16101500,
   "londonBlock": 19040000,
   "aura": {

params/config.go

@@ -259,6 +259,9 @@ type ChainConfig struct {
 	EulerBlock      *big.Int `json:"eulerBlock,omitempty" toml:",omitempty"`      // eulerBlock switch block (nil = no fork, 0 = already activated)
 	GibbsBlock      *big.Int `json:"gibbsBlock,omitempty" toml:",omitempty"`      // gibbsBlock switch block (nil = no fork, 0 = already activated)
 
+	// Gnosis Chain fork blocks
+	PosdaoBlock *big.Int `json:"posdaoBlock,omitempty"`
+
 	// Various consensus engines
 	Ethash *EthashConfig `json:"ethash,omitempty"`
 	Clique *CliqueConfig `json:"clique,omitempty"`