Added NIX testnet and test @ testnet block 200 (kyuupichan#648)

Author: phamels

electrumx/lib/coins.py

@@ -2360,3 +2360,17 @@ class NIX(Coin):
     TX_PER_BLOCK = 3
     RPC_PORT = 6215
     REORG_LIMIT = 1000
+
+
+class NIXTestnet(NIX):
+    SHORTNAME = "tNIX"
+    NET = "testnet"
+    XPUB_VERBYTES = bytes.fromhex("0488b21e")
+    XPRV_VERBYTES = bytes.fromhex("0488ade4")
+    GENESIS_HASH = ('dd28ad86def767c3cfc34267a950d871'
+                    'fc7462bc57ea4a929fc3596d9b598e41')
+    P2PKH_VERBYTE = bytes.fromhex("01")
+    P2SH_VERBYTE = [bytes.fromhex("03")]
+    WIF_BYTE = bytes.fromhex("80")
+    RPC_PORT = 16215
+    DESERIALIZER = lib_tx.DeserializerSegWit

tests/blocks/nix_testnet_200.json

@@ -0,0 +1,14 @@
+{
+  "hash": "9d5d8d308484a654cfc18fc6290734dca584bf0c02409429682a8b46715a0811",
+  "size": 384,
+  "height": 200,
+  "merkleroot": "ee1377591fe82696a15f416476a28cf57a83af77e799bbfdff24909be06cc559",
+  "tx": [
+    "ee1377591fe82696a15f416476a28cf57a83af77e799bbfdff24909be06cc559"
+  ],
+  "time": 1542147760,
+  "nonce": 0,
+  "bits": "1a2157b9",
+  "previousblockhash": "1634ccd348860d24b5eabffc8782ae1aa1d6797477f0d4910cb25488a28cb372",
+  "block": "0000002072b38ca28854b20c91d4f0777479d6a11aae8287fcbfeab5240d8648d3cc341659c56ce09b9024fffdbb99e777af837af58ca27664415fa19626e81f597713eeb04eeb5bb957211a00000000010203000001daf694ffcf73e2710b6148d89fc10b95cb55e255d804014c5141712168b9524c01000000171600147c5aad68a58a92630e3feab030fcaeb2cfff37feffffffff0530ecadf66b01000032b863a914f0c3b8f1fb7c1887a70c0108f729620c4c0901228767a914bdb5bb31196596f760ddaa49f7a82956e30b58de876830ecadf66b01000032b863a914f0c3b8f1fb7c1887a70c0108f729620c4c0901228767a914bdb5bb31196596f760ddaa49f7a82956e30b58de87680090d0030000000017a9147667be5313f1e3fb921a096b4b9b59c82b157ebe870090d0030000000017a914bf41e0caa3649bd8b9f4008103fb2a2757f3b8f3870000000000000000266a24aa21a9ede2f61c3f71d1defd3fa999dfa36953755c690689799962b48bebd836974e8cf900000000473045022100b517ff2a36aee842e4ff750723b1cea0e7cc0064677d69735e4775a01245224802206db5bf42c16d76e790e97f741a10f576628c38bcb5a7072d1df4be9c1cd874e4"
+}