defs: Add ZClassic (#271)

defs/bitcoin/zclassic.json

@@ -0,0 +1,40 @@
+{
+  "coin_name": "ZClassic",
+  "coin_shortcut": "ZCL",
+  "coin_label": "ZClassic",
+  "website": "https://zclassic.org",
+  "github": "https://github.com/ZclassicCommunity",
+  "maintainer": "James Skrowvedeht <james@thedevworks.io>",
+  "curve_name": "secp256k1",
+  "address_type": 7352,
+  "address_type_p2sh": 7357,
+  "maxfee_kb": 1000000,
+  "minfee_kb": 1000,
+  "signed_message_header": "Zcash Signed Message:\n",
+  "hash_genesis_block": "0007104ccda289427919efc39dc9e4d499804b7bebc22df55f8b834301260602",
+  "xprv_magic": 76066276,
+  "xpub_magic": 76067358,
+  "xpub_magic_segwit_p2sh": null,
+  "xpub_magic_segwit_native": null,
+  "bech32_prefix": null,
+  "cashaddr_prefix": null,
+  "slip44": 147,
+  "segwit": false,
+  "decred": false,
+  "fork_id": null,
+  "force_bip143": false,
+  "bip115": false,
+  "default_fee_b": {
+    "Normal": 10
+  },
+  "dust_limit": 546,
+  "blocktime_seconds": 150,
+  "uri_prefix": "zclassic",
+  "min_address_length": 35,
+  "max_address_length": 95,
+  "bitcore": [
+    "https://explorer.zcl.zeltrez.io"
+  ],
+  "blockbook": [],
+  "cooldown": 100
+}