Merge pull request hummingbot#7118 from peterwilli/feat/injective_v2_…

…seed_phrase_connect

Feat/injective v2 seed phrase connect

hummingbot/connector/exchange/injective_v2/injective_v2_utils.py

@@ -1,3 +1,4 @@
+import re
 from abc import ABC, abstractmethod
 from decimal import Decimal
 from typing import TYPE_CHECKING, Dict, List, Optional, Union
@@ -12,6 +13,7 @@
     TransactionFeeCalculator,
 )
 from pyinjective.core.network import Network
+from pyinjective.wallet import PrivateKey
 
 from hummingbot.client.config.config_data_types import BaseClientModel, BaseConnectorConfigMap, ClientFieldData
 from hummingbot.connector.exchange.injective_v2 import injective_constants as CONSTANTS
@@ -254,6 +256,9 @@ def rate_limits(self) -> List[RateLimit]:
     InjectiveCustomNetworkMode.Config.title: InjectiveCustomNetworkMode,
 }
 
+# Captures a 12 or 24-word BIP39 seed phrase
+RE_SEED_PHRASE = re.compile(r"^(?:[a-z]+(?: [a-z]+){11}|[a-z]+(?: [a-z]+){23})$")
+
 
 class InjectiveAccountMode(BaseClientModel, ABC):
 
@@ -272,7 +277,7 @@ class InjectiveDelegatedAccountMode(InjectiveAccountMode):
     private_key: SecretStr = Field(
         default=...,
         client_data=ClientFieldData(
-            prompt=lambda cm: "Enter your Injective trading account private key",
+            prompt=lambda cm: "Enter your Injective trading account private key or seed phrase",
             is_secure=True,
             is_connect_key=True,
             prompt_on_new=True,
@@ -300,6 +305,16 @@ class InjectiveDelegatedAccountMode(InjectiveAccountMode):
         ),
     )
 
+    @validator("private_key", pre=True)
+    def validate_network(cls, v: str):
+        # Both seed phrase and hex private keys supported
+        if isinstance(v, str):
+            v = v.strip()
+            if RE_SEED_PHRASE.match(v):
+                private_key = PrivateKey.from_mnemonic(v)
+                return private_key.to_hex()
+        return v
+
     class Config:
         title = "delegate_account"