Fix TTN genesis block nonce

Author: galt-tr

genesis.go

@@ -148,18 +148,18 @@ var teraTestNetGenesisBlock = wire.MsgBlock{
 		MerkleRoot: testNetGenesisMerkleRoot, // 4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b
 		Timestamp:  time.Unix(1755606836, 0), // 2025-08-19T08:33:56 +0000 UTC
 		Bits:       0x207fffff,               // Easy difficulty for test network
-		Nonce:      0x00000002,               // Nonce value that produces a block hash meeting the proof-of-work requirement for 0x207fffff difficulty
+		Nonce:      0x00000005,               // Nonce value that produces a block hash meeting the proof-of-work requirement for 0x207fffff difficulty
 	},
 	Transactions: []*wire.MsgTx{&genesisCoinbaseTx},
 }
 
 // teraTestNetGenesisHash is the hash of the first block in the blockchain for the
 // tera test network.
 var teraTestNetGenesisHash = chainhash.Hash([chainhash.HashSize]byte{ // Make go vet happy.
-	0x5c, 0xce, 0x10, 0x0b, 0x1e, 0x5e, 0xdf, 0x9a,
-	0x24, 0x22, 0x6f, 0x6a, 0x75, 0x50, 0x18, 0x2c,
-	0xd3, 0xe8, 0xb9, 0x58, 0x65, 0x98, 0xcc, 0xa2,
-	0xf9, 0x43, 0xa4, 0x09, 0x32, 0x4b, 0xa0, 0xef,
+	0xb3, 0x63, 0x94, 0x9e, 0x6a, 0x54, 0xc6, 0x83,
+	0x97, 0x02, 0x56, 0x65, 0x30, 0x53, 0x01, 0x56,
+	0x28, 0xac, 0x62, 0xc3, 0x8d, 0xdc, 0x3b, 0xe0,
+	0x3d, 0x3d, 0x49, 0xbf, 0xe6, 0xbf, 0x38, 0x42,
 })
 
 // stnGenesisHash is the hash of the first block in the blockchain for the

genesis_test.go

@@ -318,7 +318,7 @@ var teraTestNetGenesisBlockBytes = []byte{
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |................| */
 	0x00, 0x00, 0x00, 0x00, 0x3b, 0xa3, 0xed, 0xfd, 0x7a, 0x7b, 0x12, 0xb2, 0x7a, 0xc7, 0x2c, 0x3e, /* |....;...z{..z.,>| */
 	0x67, 0x76, 0x8f, 0x61, 0x7f, 0xc8, 0x1b, 0xc3, 0x88, 0x8a, 0x51, 0x32, 0x3a, 0x9f, 0xb8, 0xaa, /* |gv.a......Q2:...| */
-	0x4b, 0x1e, 0x5e, 0x4a, 0x34, 0x6f, 0xa4, 0x68, 0xff, 0xff, 0x7f, 0x20, 0x02, 0x00, 0x00, 0x00, /* |K.^J4o.h... ....| */
+	0x4b, 0x1e, 0x5e, 0x4a, 0x34, 0x6f, 0xa4, 0x68, 0xff, 0xff, 0x7f, 0x20, 0x05, 0x00, 0x00, 0x00, /* |K.^J4o.h... ....| */
 	0x01, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |................| */
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* |................| */
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x4d, 0x04, 0xff, 0xff, 0x00, 0x1d, /* |..........M.....| */
@@ -345,24 +345,25 @@ func TestTeraTestNetGenesisProofOfWork(t *testing.T) {
 
 	// Get the target from bits
 	bits := genesisBlock.Header.Bits
-	mantissa := bits & 0x00ffffff
 	exponent := bits >> 24
+	mantissa := bits & 0x007fffff
 
 	target := new(big.Int).SetInt64(int64(mantissa))
 	if exponent > 3 {
 		target.Lsh(target, 8*(uint(exponent)-3))
 	}
 
 	// Check if hash meets difficulty
-	hashInt := new(big.Int).SetBytes(hash.CloneBytes())
+	bn := big.NewInt(0)
+	bn.SetBytes(bt.ReverseBytes(hash[:]))
 
-	if hashInt.Cmp(target) > 0 {
+	if bn.Cmp(target) > 0 {
 		t.Fatalf("TestTeraTestNetGenesisProofOfWork: Genesis block does not meet difficulty requirement. "+
 			"Hash: %s, Target: %064x", hash, target.Bytes())
 	}
 
 	// Verify the nonce is the expected value
-	expectedNonce := uint32(0x00000002)
+	expectedNonce := uint32(0x00000005)
 	if genesisBlock.Header.Nonce != expectedNonce {
 		t.Fatalf("TestTeraTestNetGenesisProofOfWork: Unexpected nonce - got %d, want %d",
 			genesisBlock.Header.Nonce, expectedNonce)