Added Avian AVN coin support

common/defs/bitcoin/avian.json

@@ -0,0 +1,44 @@
+{
+    "coin_name": "Avian",
+    "coin_shortcut": "AVN",
+    "coin_label": "Avian",
+    "website": "https://avn.network",
+    "github": "https://github.com/AvianNetwork/Avian",
+    "maintainer": "Admin <contact@avn.network>",
+    "curve_name": "secp256k1",
+    "decimals": 8,
+    "address_type": 60,
+    "address_type_p2sh": 122,
+    "maxfee_kb": 170000000000,
+    "minfee_kb": 1000,
+    "signed_message_header": "Raven Signed Message:\n",
+    "hash_genesis_block": "000000cdb10fc01df7fba251f2168ef7cd7854b571049db4902c315694461dd0",
+    "xprv_magic": 76066276,
+    "xpub_magic": 76067358,
+    "xpub_magic_segwit_p2sh": null,
+    "xpub_magic_segwit_native": null,
+    "xpub_magic_multisig_segwit_p2sh": null,
+    "xpub_magic_multisig_segwit_native": null,
+    "bech32_prefix": null,
+    "cashaddr_prefix": null,
+    "slip44": 921,
+    "segwit": false,
+    "taproot": false,
+    "decred": false,
+    "fork_id": 64,
+    "force_bip143": false,
+    "default_fee_b": {
+      "Low": 10
+    },
+    "dust_limit": 546,
+    "blocktime_seconds": 30,
+    "uri_prefix": "avian",
+    "min_address_length": 27,
+    "max_address_length": 34,
+    "negative_fee": false,
+    "cooldown": 100,
+    "overwintered": false,
+    "extra_data": false,
+    "timestamp": false,
+    "confidential_assets": null
+  }