cosmospy

Installing

pip install cosmospy

Usage

Generating a wallet

fromcosmospyimportgenerate_walletwallet=generate_wallet()

{"seed":"arch skill acquire abuse frown reject front second album pizza hill slogan guess random wonder benefit industry custom green ill moral daring glow elevator","derivation_path":"m/44'/118'/0'/0/0","private_key":b"\xbb\xec^\xf6\xdcg\xe6\xb5\x89\xed\x8cG\x05\x03\xdf0:\xc9\x8b\x85\x8a\x14\x12\xd7\xa6a\x01\xcd\xf8\x88\x93","public_key":b"\x03h\x1d\xae\xa7\x9eO\x8e\xc5\xff\xa3sAw\xe6\xdd\xc9\xb8b\x06\x0eo\xc5a%z\xe3\xff\x1e\xd2\x8e5\xe7","address":"cosmos1uuhna3psjqfxnw4msrfzsr0g08yuyfxeht0qfh",}

Converter functions

Mnemonic seed to private key

fromcosmospyimportBIP32DerivationError,seed_to_privkeyseed= ("teach there dream chase fatigue abandon lava super senior artefact close upgrade")try:privkey=seed_to_privkey(seed,path="m/44'/118'/0'/0/0")exceptBIP32DerivationError:print("No valid private key in this derivation path!")

Private key to public key

fromcosmospyimportprivkey_to_pubkeyprivkey=bytes.fromhex("6dcd05d7ac71e09d3cf7da666709ebd59362486ff9e99db0e8bc663570515afa")pubkey=privkey_to_pubkey(privkey)

Public key to address

fromcosmospyimportpubkey_to_addresspubkey=bytes.fromhex("03e8005aad74da5a053602f86e3151d4f3214937863a11299c960c28d3609c4775")addr=pubkey_to_address(pubkey)

Private key to address

fromcosmospyimportprivkey_to_addressprivkey=bytes.fromhex("6dcd05d7ac71e09d3cf7da666709ebd59362486ff9e99db0e8bc663570515afa")addr=privkey_to_address(privkey)

Signing transactions

fromcosmospyimportTransactiontx=Transaction(privkey=bytes.fromhex("26d167d549a4b2b66f766b0d3f2bdbe1cd92708818c338ff453abde316a2bd59"    ),account_num=11335,sequence=0,fee=1000,gas=70000,memo="",chain_id="cosmoshub-4",sync_mode="sync",)tx.add_transfer(recipient="cosmos103l758ps7403sd9c0y8j6hrfw4xyl70j4mmwkf",amount=387000)tx.add_transfer(recipient="cosmos1lzumfk6xvwf9k9rk72mqtztv867xyem393um48",amount=123)pushable_tx=tx.get_pushable()# Optionally submit the transaction using your preferred method.# This example uses the httpx library.importhttpxapi_base_url="https://node.atomscan.com"httpx.post(api_base_url+"/txs",data=pushable_tx)