add AXE support (#250)

defs/bitcoin/axe.json

@@ -0,0 +1,38 @@
+{
+  "coin_name": "Axe",
+  "coin_shortcut": "AXE",
+  "coin_label": "Axe",
+  "website": "https://axerunners.com",
+  "github": "https://github.com/axerunners/axe",
+  "maintainer": "Kirill Orlov <kirill@axerunners.com>",
+  "curve_name": "secp256k1",
+  "address_type": 55,
+  "address_type_p2sh": 16,
+  "maxfee_kb": 100000,
+  "minfee_kb": 1000,
+  "signed_message_header": "AxeCoin Signed Message:\n",
+  "hash_genesis_block": "00000c33631ca6f2f61368991ce2dc03306b5bb50bf7cede5cfbba6db38e52e6",
+  "xprv_magic": 50221816,
+  "xpub_magic": 50221772,
+  "xpub_magic_segwit_p2sh": null,
+  "xpub_magic_segwit_native": null,
+  "bech32_prefix": null,
+  "cashaddr_prefix": null,
+  "slip44": 4242,
+  "segwit": false,
+  "decred": false,
+  "fork_id": null,
+  "force_bip143": false,
+  "bip115": false,
+  "default_fee_b": {
+    "Normal": 10
+  },
+  "dust_limit": 5460,
+  "blocktime_seconds": 150,
+  "uri_prefix": "axe",
+  "min_address_length": 27,
+  "max_address_length": 34,
+  "bitcore": [],
+  "blockbook": [],
+  "cooldown": 100
+}