async def nine_nine(ctx, arg):
    if (ctx.channel.type == "private"):
        # Forbid DM in discord
        await ctx.send("Hold on Capt'ain, you can't send me private messages !"
                       )
    else:
        substrate = SubstrateInterface(
            url=node_rpc,
            address_type=42,
            type_registry_preset='substrate-node-template')
        call = substrate.compose_call(call_module='Balances',
                                      call_function='transfer',
                                      call_params={
                                          'dest': arg,
                                          'value': 100 * 10**12
                                      })
        reply = ""
        keypair = Keypair.create_from_mnemonic(faucet_mnemonic)
        extrinsic = substrate.create_signed_extrinsic(call=call,
                                                      keypair=keypair)
        reply = substrate.submit_extrinsic(extrinsic, wait_for_inclusion=False)
        await ctx.send(
            ctx.author.mention +
            " Awesome, you just received 100 dPIRL, it has no real value it's only the testnet token :) "
            + reply['extrinsic_hash'] + str(ctx.channel.type))
Beispiel #2
0
def register(domain, name, ip_addr, info, key):
    substrate = SubstrateInterface(url="http://127.0.0.1:9933",
                                   ss58_format=42,
                                   type_registry_preset='polkadot',
                                   type_registry={
                                       "types": {
                                           "Certificate": {
                                               "type":
                                               "struct",
                                               "type_mapping":
                                               [["version_number", "i32"],
                                                ["owner_id", "AccountId"],
                                                ["name", "Vec<u8>"],
                                                ["info", "Vec<u8>"],
                                                ["key", "Vec<u8>"],
                                                ["ip_addr", "Vec<u8>"],
                                                ["domain", "Vec<u8>"]]
                                           }
                                       }
                                   })

    keypair = Keypair.create_from_uri('//Alice')
    call = substrate.compose_call(call_module='SiipModule',
                                  call_function='register_certificate',
                                  call_params={
                                      'name': name,
                                      'domain': domain,
                                      'ip_addr': ip_addr,
                                      'info': info,
                                      'key': key,
                                  })
    extrinsic = substrate.create_signed_extrinsic(call=call, keypair=keypair)
    return substrate.submit_extrinsic(extrinsic)
Beispiel #3
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def main():
    url = "http://" + sys.argv[1]

    substrate = SubstrateInterface(
        url=url,
        type_registry_preset='default'
    )

    keypair = Keypair.create_from_seed(sys.argv[2])

    call = substrate.compose_call(
        call_module='Balances',
        call_function='transfer',
        call_params={
            'dest': sys.argv[3],
            'value': int(sys.argv[4]) * 10**12
        }
    )

    extrinsic = substrate.create_signed_extrinsic(call=call, keypair=keypair)

    try:
        result = substrate.submit_extrinsic(extrinsic, wait_for_inclusion=False)
        print("Extrinsic '{}' sent".format(result['extrinsic_hash']))

    except SubstrateRequestException as e:
        print("Failed to send: {}".format(e))
Beispiel #4
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    def create_MnemonicKey(self):
        substrate = SubstrateInterface(url=self.url,
                                       address_type=42,
                                       type_registry_preset='polkadot')

        # keypair=Keypair.create_from_seed("0xe5be9a5092b81bca64be81d212e7f2f9eba183bb7a90954f7b76361f6edb5c0a") #alice账号

        file_name = open('account_info.csv', encoding='utf-8')

        csv_lines = csv.reader(file_name)
        data = []
        for row in csv_lines:
            if csv_lines.line_num == 1:
                continue
            else:
                data.append(row)

        print("data", data)

        for info in data:
            print("info", info)
            account = info[0]
            keypair = Keypair.create_from_mnemonic(self.seed_secret)
            # keypair = Keypair.create_from_mnemonic(info[1])
            amount = info[1]

            print("type", type(amount))

            call = substrate.compose_call(
                call_module='Balances',
                call_function='transfer',
                call_params={
                    # 接收方
                    'dest': account,
                    'value': Decimal(amount) * 10**10
                })

            extrinsic = substrate.create_signed_extrinsic(call=call,
                                                          keypair=keypair)
            try:
                result = substrate.submit_extrinsic(extrinsic,
                                                    wait_for_inclusion=True)
                print(result)
                print("Extrinsic '{}' sent and included in block '{}'".format(
                    result['extrinsic_hash'], result['block_hash']))
            except SubstrateRequestException as e:
                print(e)
                with open("faild_info.txt", "a") as f:

                    f.write(account + "\n")

            time.sleep(5)
Beispiel #5
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def withdraw(priv, pub, to_address, amount):
    substrate = SubstrateInterface(url='wss://rpc.polkadot.io', ss58_format=0, type_registry_preset='polkadot', use_remote_preset=True)
    call = substrate.compose_call(
        call_module='Balances',
        call_function='transfer',
        call_params={'dest': to_address, 'value': int(amount * 1e8)}
    )
    from_address = public_key_to_address(pub)
    nonce = substrate.get_account_nonce(from_address)
    payload = substrate.generate_signature_payload(call, nonce=nonce).data
    signature = '0x' + eddsa_sign.eddsa_sign(priv, payload).hex()

    keypair = Keypair(ss58_address=from_address, ss58_format=0, crypto_type=KeypairType.ED25519)
    extrinsic = substrate.create_signed_extrinsic(call=call, keypair=keypair, nonce=nonce, signature=signature)
    result=substrate.submit_extrinsic(extrinsic=extrinsic)
    print(result)
Beispiel #6
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def sendPirl(mnemonic, destination, value):
    substrate = SubstrateInterface(
        url=node_rpc,
        address_type=42,
        type_registry_preset='substrate-node-template')
    call = substrate.compose_call(
        call_module='Balances',
        call_function='transfer',
        call_params={
            'dest': destination,  # recipient address
            'value': value * 10**12  # we send PIRLs and apply the 12 decimals
        })
    keypair = Keypair.create_from_mnemonic(mnemonic)
    extrinsic = substrate.create_signed_extrinsic(call=call, keypair=keypair)
    transaction = substrate.submit_extrinsic(extrinsic,
                                             wait_for_inclusion=True)
    print("extrinsic_hash: " + transaction['extrinsic_hash'],
          "block: " + transaction['block_hash'])
Beispiel #7
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def run():

	try:
		substrate = SubstrateInterface(
			url="wss://hk.listen.io/",
			address_type=42,
			type_registry_preset='default'
		)

		import time
		time.sleep(1)
		keypair = Keypair.create_from_mnemonic("adult hunt thank force make satisfy saddle pumpkin reject very avoid goat")

		# print("Created address: {}".format(keypair.ss58_address))

		mnemonic = Keypair.generate_mnemonic()

		# 接收方随机生成
		keypair1 = Keypair.create_from_mnemonic(mnemonic, 2)

		# 可以直接调用自己定义的模块  不需要特殊处理
		call = substrate.compose_call(
			call_module='Listen',
			call_function='air_drop',
			call_params={
				# 接收方
				# 'dest': '5GnGKSCitk1QPpMNugtTGX9t6TqzDGvL5BqKzLfHNsLSrwqN',
				'des': keypair1.ss58_address,
				# 'value': 10 * 10**14

			}
		)

		extrinsic = substrate.create_signed_extrinsic(call=call, keypair=keypair)

		try:
			result = substrate.submit_extrinsic(extrinsic, wait_for_inclusion=True)
			print("Extrinsic '{}' sent and included in block '{}'".format(result['extrinsic_hash'], result['block_hash']))
			# substrate.s

		except SubstrateRequestException as e:
			print("Failed to send: {}".format(e))
	except Exception as e:
		print(e)
Beispiel #8
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def example_send_transaction():
    """
    similar to what is given in polkascan github README.md
    issue reported back to polkascan
    https://github.com/polkascan/py-substrate-interface/issues/14
    """

    # substrate = SubstrateInterface( url="ws://127.0.0.1:9944", address_type=42, type_registry_preset='kusama' )
    # substrate = SubstrateInterface( url="ws://127.0.0.1:9944", address_type=2)
    substrate = SubstrateInterface(url="ws://127.0.0.1:9944")

    keypair = Keypair.create_from_mnemonic(
        'episode together nose spoon dose oil faculty zoo ankle evoke admit walnut'
    )
    # keypair = Keypair.create_from_private_key('//Alice')
    # keypair = Keypair.create_from_mnemonic('//Alice')

    keypair_printer(keypair)
    print("sending from:", keypair.ss58_address)

    BOB_ADDRESS = '5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty'

    call = substrate.compose_call(call_module='Balances',
                                  call_function='transfer',
                                  call_params={
                                      'dest': BOB_ADDRESS,
                                      'value': 1 * 10**12
                                  })
    extrinsic = substrate.create_signed_extrinsic(call=call, keypair=keypair)
    try:
        result = substrate.send_extrinsic(extrinsic, wait_for_inclusion=True)
        print("Extrinsic '{}' sent and included in block '{}'".format(
            result['extrinsic_hash'], result['block_hash']))
    except SubstrateRequestException as e:
        print("Failed to send: {} with args:".format(type(e)))
        print("{}".format(pformat(e.args[0])))
Beispiel #9
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def cmd_pay(args, config):
    substrate = SubstrateInterface(url=get_config(args, config, 'rpcurl'),
                                   type_registry_preset=get_config(
                                       args, config, 'network'))

    active_era = substrate.query(module='Staking',
                                 storage_function='ActiveEra')
    active_era = active_era.value['index']

    depth = get_config(args, config, 'deptheras')
    depth = int(depth) if depth is not None else 84

    minEras = get_config(args, config, 'mineras')
    minEras = int(minEras) if minEras is not None else 5

    start = active_era - depth
    end = active_era

    eras_payment_info = get_eras_payment_info_filtered(
        substrate,
        start,
        end,
        accounts=get_included_accounts(args, config),
        only_unclaimed=True)
    eras_payment_info = OrderedDict(
        sorted(eras_payment_info.items(), reverse=True))

    if len(eras_payment_info.keys()) == 0:
        print(f"There are no rewards to claim in the last {depth} era(s)")
        return

    if len(eras_payment_info) < int(get_config(args, config, 'mineras')):
        max_age_unclaimed = int(get_config(args, config, 'maxageunclaimed'))
        if max_age_unclaimed is None:
            max_age_unclaimed = 84
        if not old_unclaimed_exist(eras_payment_info, max_age_unclaimed,
                                   active_era):
            print(
                f"There are rewards to claim on {len(eras_payment_info.keys())} era(s), "
                +
                f"but those are not enough to reach the minimum threshold ({minEras})"
            )
            return

    keypair = get_keypair(args, config)

    payout_calls = []
    for era in eras_payment_info:
        for accountId in eras_payment_info[era]:
            payout_calls.append({
                'call_module': 'Staking',
                'call_function': 'payout_stakers',
                'call_args': {
                    'validator_stash': accountId,
                    'era': era,
                }
            })

    call = substrate.compose_call(call_module='Utility',
                                  call_function='batch',
                                  call_params={'calls': payout_calls})

    payment_info = substrate.get_payment_info(call=call, keypair=keypair)
    account_info = get_account_info(substrate,
                                    get_config(args, config, 'signingaccount'))

    expected_fees = payment_info['partialFee']
    free_balance = account_info['data']['free']
    existential_deposit = get_existential_deposit(substrate)

    if (free_balance - expected_fees) < existential_deposit:
        print(
            f"Account with not enough funds. Needed {existential_deposit + expected_fees}, but got {free_balance}"
        )
        return

    signature_payload = substrate.generate_signature_payload(
        call=call, nonce=account_info['nonce'])
    signature = keypair.sign(signature_payload)

    extrinsic = substrate.create_signed_extrinsic(call=call,
                                                  keypair=keypair,
                                                  nonce=account_info['nonce'],
                                                  signature=signature)

    print("Submitting batch extrinsic to claim " +
          f"{len(payout_calls)} rewards (in {len(eras_payment_info)} eras)")

    extrinsic_receipt = substrate.submit_extrinsic(extrinsic=extrinsic,
                                                   wait_for_inclusion=True)

    tweet_text = Twitter.generate_tweet_text(eras_payment_info)
    Twitter(config).update_status(tweet_text)

    fees = extrinsic_receipt.total_fee_amount
    print(f"\t Extrinsic hash: {extrinsic_receipt.extrinsic_hash}")
    print(f"\t Block hash: {extrinsic_receipt.block_hash}")
    print(f"\t Fee: {format_balance_to_symbol(substrate, fees)} ({fees})")
    print(f"\t Status: {'ok' if extrinsic_receipt.is_success else 'error'}")
    if not extrinsic_receipt.is_success:
        print(
            f"\t Error message: {extrinsic_receipt.error_message.get('docs')}")
Beispiel #10
0
def main(path, wait_for_inclusion=False, nonce=0):
    with open(path) as json_file:
        test_adresses = json.load(json_file)

    custom_type_registry = load_type_registry_file("types.json")
    print(custom_type_registry)
    substrate = SubstrateInterface(url="ws://127.0.0.1:9944/",
                                   address_type=32,
                                   type_registry=TYPES,
                                   type_registry_preset='robonomics')

    # substrate = SubstrateInterface(
    #     url="ws://127.0.0.1:9944/",
    #     address_type=32,
    #     type_registry=TYPES,
    # )

    # Set block_hash to None for chaintip
    # block_hash = None

    # Retrieve extrinsics in block
    # result = substrate.get_runtime_block(block_hash=block_hash)

    # for extrinsic in result['block']['extrinsics']:

    #     if 'account_id' in extrinsic:
    #         signed_by_address = ss58_encode(address=extrinsic['account_id'], address_type=2)
    #     else:
    #         signed_by_address = None

    #     print('\nModule: {}\nCall: {}\nSigned by: {}'.format(
    #         extrinsic['call_module'],
    #         extrinsic['call_function'],
    #         signed_by_address
    #     ))

    #     for param in extrinsic['params']:

    #         if param['type'] == 'Address':
    #             param['value'] = ss58_encode(address=param['value'], address_type=2)

    #         if param['type'] == 'Compact<Balance>':
    #             param['value'] = '{} DOT'.format(param['value'] / 10**12)

    #         print("Param '{}': {}".format(param['name'], param['value']))

    # Storage call examples
    # print("\n\nCurrent Account info: {} DOT".format(
    #     substrate.get_runtime_state(
    #         module='System',
    #         storage_function='Account',
    #         params=['4GmqwyTi37bbwgWHiamoi7uCnebxuhj9Mmo2rCcjPgjF4Nag']
    #     ).get('result')
    # ))

    # print("Balance @ {}: {} DOT".format(
    #     block_hash,
    #     substrate.get_runtime_state(
    #         module='Balances',
    #         storage_function='FreeBalance',
    #         params=['4GmqwyTi37bbwgWHiamoi7uCnebxuhj9Mmo2rCcjPgjF4Nag'],
    #         block_hash=block_hash
    #     ).get('result')
    # ))
    nonce = int(nonce)
    while True:
        for indx, row in enumerate(test_adresses['keys']):
            for address, mnemonic in row.items():
                # Create, sign and submit extrinsic example
                # mnemonic = Keypair.generate_mnemonic()
                # mnemonic = "pave small hub weapon jewel dream net canvas mirror nurse delay they"
                keypair = Keypair.create_from_mnemonic(mnemonic, 32)

            # nonce = substrate.get_account_nonce(address)
            # nonce = substrate.get_account_nonce(address)
            print("Nonce: ", nonce)
            # keypair = Keypair(
            #     ss58_address='4GQJvwgJwZ1U8j776kmawm5wccE9ZSRFCuH1GnxyCEuGWqL4',
            #     public_key='0xba3f1ff4f7894070afc1dc88551f47c3d76e4b9a2847fbd045c571b998623c62',
            #     address_type=32
            # )

            # keypair = Keypair.create_from_private_key(
            #     '0x24dcd65948fe301e27eab1456df0c60ea6884f7eef9eb4e55b329a1a785eb43f',
            #     public_key='0xba3f1ff4f7894070afc1dc88551f47c3d76e4b9a2847fbd045c571b998623c62',
            #     ss58_address='4GQJvwgJwZ1U8j776kmawm5wccE9ZSRFCuH1GnxyCEuGWqL4',
            #     address_type=32
            # )

            print("Created address: {}".format(keypair.ss58_address))
            nonce = substrate.get_account_nonce(keypair.ss58_address)
            print(nonce)
            call = substrate.compose_call(
                'Datalog',
                'record',
                call_params={
                    'record':
                    '0x516d6178673336614b68345a41547342796f427133384b454b5a6743674366657934344b68746452426477764d41',
                })

            # call = substrate.compose_call(
            #     call_module='Launch',
            #     call_function='launch',
            #     call_params={
            #         # 'date': '0x01',
            #         'Parameter': False,
            #     }
            # )

            # call = substrate.compose_call(
            #     call_module='Balances',
            #     call_function='transfer',
            #     call_params={
            #         'dest': '4Ca9DE2ghDH4jQofEpRAhnQpdFejgVi3zVvkAo2QwsXFJvWA',
            #         'value': 5 * 10**3
            #     }
            # )
            print('create extrinsic')
            extrinsic = substrate.create_signed_extrinsic(call=call,
                                                          keypair=keypair,
                                                          nonce=nonce)
            # extrinsic = substrate.create_unsigned_extrinsic(call=call)

            try:
                print('try to send')
                result = substrate.submit_extrinsic(
                    extrinsic, wait_for_inclusion=wait_for_inclusion)

                print('Extrinsic "{}" included in block "{}"'.format(
                    result['extrinsic_hash'], result.get('block_hash')))

                print(result)

            except SubstrateRequestException as e:
                print("Failed to send: {}".format(e))

        nonce += 1
Beispiel #11
0
# s.rpc_request('author_rotateKeys', None)

## totalSupply
s.query('Balances', 'TotalIssuance')

## current metadata
s.get_runtime_metadata()

## send 100  tokens from Alice -> Bob
from substrateinterface import Keypair
alice = Keypair.create_from_uri('//Alice')
bob = Keypair.create_from_uri('//Bob')

call = s.compose_call(call_module='Balances',
                      call_function='transfer',
                      call_params={
                          'dest': bob.ss58_address,
                          'value': 100 * 10**18
                      })
extrinsic = s.create_signed_extrinsic(call=call, keypair=alice)
# tx dry run
s.get_payment_info(call=call, keypair=alice)

## check tx metadata
from substrateinterface import ExtrinsicReceipt
receipt = ExtrinsicReceipt(
    substrate=s,
    extrinsic_hash=
    "0x1856aa746ed0cd0f5b01d4e2a5b68bf5a08a0c66b92aac1b3b3738f4a2d59ef6",
    block_hash=
    "0x3cdc5e4e145a25d0361c66669a062695d0e2a511cdd6d4868cfda80e66cf185c")
receipt.is_success, receipt.weight, receipt.total_fee_amount
Beispiel #12
0
from scalecodec.type_registry import load_type_registry_preset
from substrateinterface import SubstrateInterface, Keypair, ExtrinsicReceipt
from substrateinterface.exceptions import SubstrateRequestException

substrate = SubstrateInterface(url="wss://westend-rpc.polkadot.io",
                               ss58_format=42,
                               type_registry_preset='westend')

keypair = Keypair.create_from_mnemonic(
    'box change recall shift tent bus mad cherry aerobic engine ocean few')
# keypair = Keypair.create_from_mnemonic('episode together nose spoon dose oil faculty zoo ankle evoke admit walnut')
print(keypair.public_key)

call = substrate.compose_call(
    call_module='Balances',
    call_function='transfer',
    call_params={
        'dest': '5EPCUjPxiHAcNooYipQFWr9NmmXJKpNG5RhcntXwbtUySrgH',
        'value': 0.0001
    })

extrinsic = substrate.create_signed_extrinsic(call=call, keypair=keypair)

try:
    receipt = substrate.submit_extrinsic(extrinsic, wait_for_inclusion=True)
    print("Extrinsic '{}' sent and included in block '{}'".format(
        receipt.extrinsic_hash, receipt.block_hash))

except SubstrateRequestException as e:
    print("Failed to send: {}".format(e))
Beispiel #13
0
substrate = SubstrateInterface(url="http://127.0.0.1:9933",
                               ss58_format=42,
                               type_registry_preset='polkadot',
                               type_registry={
                                   "types": {
                                       "Certificate": {
                                           "type":
                                           "struct",
                                           "type_mapping":
                                           [["version_number", "i32"],
                                            ["owner_id", "AccountId"],
                                            ["name", "Vec<u8>"],
                                            ["info", "Vec<u8>"],
                                            ["key", "Vec<u8>"],
                                            ["ip_addr", "Vec<u8>"],
                                            ["domain", "Vec<u8>"]]
                                       }
                                   }
                               })

keypair = Keypair.create_from_uri('//Alice')
call = substrate.compose_call(call_module='SiipModule',
                              call_function='remove_certificate',
                              call_params={
                                  'domain': domain,
                              })
extrinsic = substrate.create_signed_extrinsic(call=call, keypair=keypair)
result = substrate.submit_extrinsic(extrinsic)
print(result)
Beispiel #14
0
                               type_registry={
                                   "types": {
                                       "Certificate": {
                                           "type":
                                           "struct",
                                           "type_mapping":
                                           [["version_number", "i32"],
                                            ["owner_id", "AccountId"],
                                            ["name", "Vec<u8>"],
                                            ["info", "Vec<u8>"],
                                            ["key", "Vec<u8>"],
                                            ["ip_addr", "Vec<u8>"],
                                            ["domain", "Vec<u8>"]]
                                       }
                                   }
                               })

keypair = Keypair.create_from_uri('//Alice')
call = substrate.compose_call(call_module='SiipModule',
                              call_function='modify_certificate',
                              call_params={
                                  'name': name,
                                  'domain': domain,
                                  'ip_addr': ip_addr,
                                  'info': info,
                                  'key': key,
                              })
extrinsic = substrate.create_signed_extrinsic(call=call, keypair=keypair)
result = substrate.submit_extrinsic(extrinsic)
print(result)
Beispiel #15
0
def _substrate_call(substrate: SubstrateInterface, ipfs_hash: str):
    call = substrate.compose_call(call_module="Datalog",
                                  call_function="record",
                                  call_params={"record": ipfs_hash})
    return call
Beispiel #16
0
        "⚠️ No local Substrate node running, try running 'start_local_substrate_node.sh' first"
    )
    exit()

keypair = Keypair.create_from_uri('//Alice')

account_info = substrate.query('System',
                               'Account',
                               params=[keypair.ss58_address])

print('Account info', account_info.value)

call = substrate.compose_call(
    call_module='Balances',
    call_function='transfer',
    call_params={
        'dest': '5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty',
        'value': 1 * 10**15
    })

# Get payment info
payment_info = substrate.get_payment_info(call=call, keypair=keypair)

print("Payment info: ", payment_info)

extrinsic = substrate.create_signed_extrinsic(call=call,
                                              keypair=keypair,
                                              era={'period': 64})

try:
    receipt = substrate.submit_extrinsic(extrinsic, wait_for_inclusion=True)
class Kuka:
    def __init__(self):
        rospy.init_node('listener', anonymous=False)
        rospack = rospkg.RosPack()
        rospack.list()
        self.path = rospack.get_path('kuka_controller')
        with open(f"{self.path}/config/config", "r") as f:
            config = json.load(f)
        self.client = ipfshttpclient.connect()
        self.substrate = SubstrateInterface(
            url=config["node"],
            ss58_format=32,
            type_registry_preset="substrate-node-template",
            type_registry={
                "types": {
                    "Record": "Vec<u8>",
                    "Parameter": "Bool",
                    "LaunchParameter": "Bool",
                    "<T as frame_system::Config>::AccountId": "AccountId",
                    "RingBufferItem": {
                        "type":
                        "struct",
                        "type_mapping": [
                            ["timestamp", "Compact<u64>"],
                            ["payload", "Vec<u8>"],
                        ],
                    },
                    "RingBufferIndex": {
                        "type":
                        "struct",
                        "type_mapping": [
                            ["start", "Compact<u64>"],
                            ["end", "Compact<u64>"],
                        ],
                    }
                }
            },
        )
        mnemonic = config["kuka_mnemonic"]
        self.keypair = Keypair.create_from_mnemonic(mnemonic, ss58_format=32)

    # Call service move_arm
    def move_arm_client(self, desired_xyz, duration):
        rospy.wait_for_service('move_arm')
        try:
            move_arm = rospy.ServiceProxy('move_arm', MoveArm)
            resp = move_arm(desired_xyz, duration)
            return resp
        except rospy.ServiceException as e:
            rospy.loginfo("Service call failed: %s" % e)

    # Write data to a file
    def listener(self, data):
        if self.write:
            times_prev = self.times
            self.times = int(time.time())
            if self.times != times_prev:
                #print('write')
                self.logs.write('\n')
                self.logs.write(str(data))

    def write_datalog(self, data):
        call = self.substrate.compose_call(call_module="Datalog",
                                           call_function="record",
                                           call_params={'record': data})
        extrinsic = self.substrate.create_signed_extrinsic(
            call=call, keypair=self.keypair)
        receipt = self.substrate.submit_extrinsic(extrinsic,
                                                  wait_for_inclusion=True)
        rospy.loginfo(
            f"Datalog created with extrinsic hash: {receipt.extrinsic_hash}")

    # Print circle
    def circle(self):
        rospy.loginfo("Work paid. Starting work...")
        t = 0
        self.logs = open(f'{self.path}/data.txt', 'w')
        self.move_arm_client(
            [Float64(0.3), Float64(0.3),
             Float64(0.6)], Float64(2.0))
        self.times = 0
        self.write = True
        rospy.Subscriber('/manipulator/joint_states', JointState,
                         self.listener)
        while t <= math.pi:
            x = 0.3 * math.cos(t)
            z = 0.3 * math.sin(t) + 0.6
            t += 0.2
            #print(x, z)
            self.move_arm_client(
                [Float64(x), Float64(0.3),
                 Float64(z)], Float64(0.05))
        self.write = False
        rospy.loginfo("Work done")
        self.logs.close()
        res = self.client.add(f'{self.path}/data.txt')
        rospy.loginfo(f"Data pinned to IPFS with hash {res['Hash']}")
        self.write_datalog(res['Hash'])
        rospy.loginfo(f"Wait for payment")

    def subscription_handler(self, obj, update_nr, subscription_id):
        ch = self.substrate.get_chain_head()
        chain_events = self.substrate.get_events(ch)
        for ce in chain_events:
            # if ce.value["event_id"] == "NewLaunch":
            #     print(ce.params)
            if ce.value["event_id"] == "NewLaunch" and ce.params[1]["value"] == self.keypair.ss58_address \
                                         and ce.params[2]["value"] is True:  # yes/no
                print(f"\"ON\" launch command from employer.")
                self.circle()

    def spin(self):
        rospy.loginfo(f"Wait for payment")
        self.substrate.subscribe_block_headers(self.subscription_handler)
Beispiel #18
0
class Subtensor:
    """
    Handles interactions with the subtensor chain.
    """
    custom_type_registry = {
        "runtime_id": 2,
        "types": {
            "NeuronMetadataOf": {
                "type":
                "struct",
                "type_mapping": [["ip", "u128"], ["port", "u16"],
                                 ["ip_type", "u8"], ["uid", "u64"],
                                 ["modality", "u8"], ["hotkey", "AccountId"],
                                 ["coldkey", "AccountId"]]
            }
        }
    }

    def __init__(self,
                 config: 'Munch' = None,
                 network: str = None,
                 chain_endpoint: str = None):
        r""" Initializes a subtensor chain interface.
            Args:
                config (:obj:`Munch`, `optional`): 
                    metagraph.Metagraph.config()
                network (default='akira', type=str)
                    The subtensor network flag. The likely choices are:
                            -- akira (testing network)
                            -- kusanagi (main network)
                    If this option is set it overloads subtensor.chain_endpoint with 
                    an entry point node from that network.
                chain_endpoint (default=None, type=str)
                    The subtensor endpoint flag. If set, overrides the --network flag.
        """
        if config == None:
            config = Subtensor.default_config()
        config.subtensor.network = network if network != None else config.subtensor.network
        config.subtensor.chain_endpoint = chain_endpoint if chain_endpoint != None else config.subtensor.chain_endpoint
        Subtensor.check_config(config)
        self.config = copy.deepcopy(config)

        chain_endpoint = "ws://subtensor.rawatech.com:9944" if not chain_endpoint else "ws://" + chain_endpoint
        # chain_endpoint = "ws://feynman.kusanagi.bittensor.com:9944" if not chain_endpoint else "ws://" + chain_endpoint
        self.substrate = SubstrateInterface(
            ss58_format=42,
            type_registry_preset='substrate-node-template',
            type_registry=self.custom_type_registry,
            url=chain_endpoint)

    @staticmethod
    def default_config() -> Munch:
        # Parses and returns a config Munch for this object.
        parser = argparse.ArgumentParser()
        Subtensor.add_args(parser)
        config = bittensor.config.Config.to_config(parser)
        return config

    @staticmethod
    def add_args(parser: argparse.ArgumentParser):
        try:
            parser.add_argument(
                '--subtensor.network',
                default='kusanagi',
                type=str,
                help='''The subtensor network flag. The likely choices are:
                                        -- akira (testing network)
                                        -- kusanagi (main network)
                                    If this option is set it overloads subtensor.chain_endpoint with 
                                    an entry point node from that network.
                                    ''')
            parser.add_argument(
                '--subtensor.chain_endpoint',
                default=None,
                type=str,
                help=
                '''The subtensor endpoint flag. If set, overrides the --network flag.
                                    ''')
        except:
            pass

    @staticmethod
    def check_config(config: Munch):
        pass

    def endpoint_for_network(self, blacklist: List[str] = []) -> str:
        r""" Returns a chain endpoint based on config.subtensor.network.
            Returns None if there are no available endpoints.
        Raises:
            endpoint (str):
                Websocket endpoint or None if there are none available.
        """

        # Chain endpoint overrides the --network flag.
        if self.config.subtensor.chain_endpoint != None:
            if self.config.subtensor.chain_endpoint in blacklist:
                return None
            else:
                return self.config.subtensor.chain_endpoint

        # Else defaults to networks.
        # TODO(const): this should probably make a DNS lookup.
        if self.config.subtensor.network == "akira":
            akira_available = [
                item for item in bittensor.__akira_entrypoints__
                if item not in blacklist
            ]
            if len(akira_available) == 0:
                return None
            return random.choice(akira_available)

        elif self.config.subtensor.network == "boltzmann":
            boltzmann_available = [
                item for item in bittensor.__boltzmann_entrypoints__
                if item not in blacklist
            ]
            if len(boltzmann_available) == 0:
                return None
            return random.choice(boltzmann_available)

        elif self.config.subtensor.network == "kusanagi":
            kusanagi_available = [
                item for item in bittensor.__kusanagi_entrypoints__
                if item not in blacklist
            ]
            if len(kusanagi_available) == 0:
                return None
            return random.choice(kusanagi_available)

        elif self.config.subtensor.network == "local":
            local_available = [
                item for item in bittensor.__local_entrypoints__
                if item not in blacklist
            ]
            if len(local_available) == 0:
                return None
            return random.choice(local_available)

        else:
            akira_available = [
                item for item in bittensor.__akira_entrypoints__
                if item not in blacklist
            ]
            if len(akira_available) == 0:
                return None
            return random.choice(akira_available)

    # def is_connected(self) -> bool:
    #     r""" Returns true if the connection state as a boolean.
    #     Raises:
    #         success (bool):
    #             True is the websocket is connected to the chain endpoint.
    #     """
    #     loop = asyncio.get_event_loop()
    #     loop.set_debug(enabled=True)
    #     return loop.run_until_complete(self.async_is_connected())

    # async def async_is_connected(self) -> bool:
    #     r""" Returns the connection state as a boolean.
    #     Raises:
    #         success (bool):
    #             True is the websocket is connected to the chain endpoint.
    #     """
    #     return self.substrate.async_is_connected()

    # def check_connection(self) -> bool:
    #     r""" Checks if substrate_old websocket backend is connected, connects if it is not.
    #     """
    #     loop = asyncio.get_event_loop()
    #     loop.set_debug(enabled=True)
    #     return loop.run_until_complete(self.async_check_connection())

    # async def async_check_connection(self) -> bool:
    #     r""" Checks if substrate_old websocket backend is connected, connects if it is not.
    #     """
    #     if not self.async_is_connected():
    #         return self.async_connect()
    #     return True

    # def connect( self, timeout: int = 10, failure = True ) -> bool:
    #     r""" Attempts to connect the substrate_old interface backend.
    #     If the connection fails, attemps another endpoint until a timeout.
    #     Args:
    #         timeout (int):
    #             Time to wait before subscription times out.
    #         failure (bool):
    #             This connection attempt raises an error an a failed attempt.
    #     Returns:
    #         success (bool):
    #             True on success.
    #     """
    #     loop = asyncio.get_event_loop()
    #     loop.set_debug(enabled=True)
    #     return loop.run_until_complete(self.async_connect(timeout, failure))

    #     async def async_connect( self, timeout: int = 10, failure = True ) -> bool:
    #         r""" Attempts to connect the substrate_old interface backend.
    #         If the connection fails, attemps another endpoint until a timeout.
    #         Args:
    #             timeout (int):
    #                 Time to wait before subscription times out.
    #             failure (bool):
    #                 This connection attempt raises an error an a failed attempt.
    #         Returns:
    #             success (bool):
    #                 True on success.
    #         """
    #         start_time = time.time()
    #         attempted_endpoints = []
    #         while True:
    #             def connection_error_message():
    #                 print('''
    # Check that your internet connection is working and the chain endpoints are available: <cyan>{}</cyan>
    # The subtensor.network should likely be one of the following choices:
    #     -- local - (your locally running node)
    #     -- akira - (testnet)
    #     -- kusanagi - (mainnet)
    # Or you may set the endpoint manually using the --subtensor.chain_endpoint flag
    # To run a local node (See: docs/running_a_validator.md) \n
    #                               '''.format( attempted_endpoints) )
    #
    #             # ---- Get next endpoint ----
    #             ws_chain_endpoint = self.endpoint_for_network( blacklist = attempted_endpoints )
    #             if ws_chain_endpoint == None:
    #                 logger.error("No more endpoints available for subtensor.network: <cyan>{}</cyan>, attempted: <cyan>{}</cyan>".format(self.config.subtensor.network, attempted_endpoints))
    #                 connection_error_message()
    #                 if failure:
    #                     logger.critical('Unable to connect to network:<cyan>{}</cyan>.\nMake sure your internet connection is stable and the network is properly set.'.format(self.config.subtensor.network))
    #                 else:
    #                     return False
    #             attempted_endpoints.append(ws_chain_endpoint)
    #
    #             # --- Attempt connection ----
    #             if self.substrate.async_connect( ws_chain_endpoint, timeout = 5 ):
    #                 logger.success("Connected to network:<cyan>{}</cyan> at endpoint:<cyan>{}</cyan>".format(self.config.subtensor.network, ws_chain_endpoint))
    #                 return True
    #
    #             # ---- Timeout ----
    #             elif (time.time() - start_time) > timeout:
    #                 logger.error( "Error while connecting to network:<cyan>{}</cyan> at endpoint: <cyan>{}</cyan>".format(self.config.subtensor.network, ws_chain_endpoint))
    #                 connection_error_message()
    #                 if failure:
    #                     raise RuntimeError('Unable to connect to network:<cyan>{}</cyan>.\nMake sure your internet connection is stable and the network is properly set.'.format(self.config.subtensor.network))
    #                 else:
    #                     return False

    # async def _submit_and_check_extrinsic(
    #         self,
    #         extrinsic,
    #         wait_for_inclusion:bool = False,
    #         wait_for_finalization: bool = False,
    #         timeout: int = bittensor.__blocktime__ * 3
    #     ) -> bool:
    #     r""" Makes an extrinsic call to the chain, returns true if the extrinsic send was a success.
    #     If wait_for_inclusion or wait_for_finalization are true, the call will return true iff the
    #     extrinsic enters or finalizes in a block.
    #     Args:
    #         extrinsic (substrate_old extrinsic):
    #             Extrinsic to send to the chain.
    #         wait_for_inclusion (bool):
    #             If set, waits for the extrinsic to enter a block before returning true,
    #             or returns false if the extrinsic fails to enter the block within the timeout.
    #         wait_for_finalization (bool):
    #             If set, waits for the extrinsic to be finalized on the chain before returning true,
    #             or returns false if the extrinsic fails to be finalized within the timeout.
    #         timeout (int):
    #             Time that this call waits for either finalization of inclusion.
    #     Returns:
    #         success (bool):
    #             flag is true if extrinsic was finalized or uncluded in the block.
    #             If we did not wait for finalization / inclusion, the response is true.
    #     """
    #     # Send extrinsic
    #     try:
    #         response = self.substrate.submit_extrinsic(
    #                                 extrinsic,
    #                                 wait_for_inclusion = wait_for_inclusion,
    #                                 wait_for_finalization = wait_for_finalization,
    #                                 timeout = timeout
    #                         )
    #     except SubstrateRequestException as e:
    #         logger.error('Extrinsic exception with error {}', e)
    #         return False
    #     except Exception as e:
    #         logger.error('Error submitting extrinsic with error {}', e)
    #         return False
    #
    #     # Check timeout.
    #     if response == None:
    #         logger.error('Error in extrinsic: No response within timeout')
    #         return False
    #
    #     # Check result.
    #     if not wait_for_inclusion and not wait_for_finalization:
    #         return True
    #     else:
    #         if 'error' in response:
    #             logger.error('Error in extrinsic: {}', response['error'])
    #         elif 'finalized' in response and response['finalized'] == True:
    #             return True
    #         elif 'inBlock' in response and response['inBlock'] == True:
    #             return True
    #         else:
    #             return False

    def is_subscribed(self, wallet: 'bittensor.wallet.Wallet', ip: str,
                      port: int, modality: int) -> bool:
        r""" Returns true if the bittensor endpoint is already subscribed with the wallet and metadata.
        Args:
            wallet (bittensor.wallet.Wallet):
                bittensor wallet object.
            ip (str):
                endpoint host port i.e. 192.122.31.4
            port (int):
                endpoint port number i.e. 9221
            modality (int):
                int encoded endpoint modality i.e 0 for TEXT
            coldkeypub (str):
                string encoded coldekey pub.
        """

        uid = self.get_uid_for_pubkey(wallet.hotkey.public_key)
        if uid is None:
            return False

        neuron = self.get_neuron_for_uid(uid)
        if neuron['ip'] == net.ip_to_int(ip) and neuron['port'] == port:
            return True
        else:
            return False

    def subscribe(
        self,
        wallet: 'bittensor.wallet.Wallet',
        ip: str,
        port: int,
        modality: int,
        wait_for_inclusion: bool = False,
        wait_for_finalization=True,
        timeout: int = 3 * bittensor.__blocktime__,
    ) -> bool:
        r""" Subscribes an bittensor endpoint to the substensor chain.
        Args:
            wallet (bittensor.wallet.Wallet):
                bittensor wallet object.
            ip (str):
                endpoint host port i.e. 192.122.31.4
            port (int):
                endpoint port number i.e. 9221
            modality (int):
                int encoded endpoint modality i.e 0 for TEXT
            wait_for_inclusion (bool):
                if set, waits for the extrinsic to enter a block before returning true, 
                or returns false if the extrinsic fails to enter the block within the timeout.   
            wait_for_finalization (bool):
                if set, waits for the extrinsic to be finalized on the chain before returning true,
                or returns false if the extrinsic fails to be finalized within the timeout.
            timeout (int):
                time that this call waits for either finalization of inclusion.
        Returns:
            success (bool):
                flag is true if extrinsic was finalized or uncluded in the block. 
                If we did not wait for finalization / inclusion, the response is true.
        """

        if self.is_subscribed(wallet, ip, port, modality):
            logger.success(
                "Already subscribed with:\n<cyan>[\n  ip: {},\n  port: {},\n  modality: {},\n  hotkey: {},\n  coldkey: {}\n]</cyan>"
                .format(ip, port, modality, wallet.hotkey.public_key,
                        wallet.coldkeypub))
            return True

        ip_as_int = net.ip_to_int(ip)
        params = {
            'ip': ip_as_int,
            'port': port,
            'ip_type': 4,
            'modality': modality,
            'coldkey': wallet.coldkeypub,
        }
        call = self.substrate.compose_call(call_module='SubtensorModule',
                                           call_function='subscribe',
                                           call_params=params)
        # TODO (const): hotkey should be an argument here not assumed. Either that or the coldkey pub should also be assumed.
        extrinsic = self.substrate.create_signed_extrinsic(
            call=call, keypair=wallet.hotkey)
        result = self.substrate.submit_extrinsic(
            extrinsic, wait_for_inclusion, wait_for_finalization).is_success
        if result:
            logger.success(
                "Successfully subscribed with:\n<cyan>[\n  ip: {},\n  port: {},\n  modality: {},\n  hotkey: {},\n  coldkey: {}\n]</cyan>"
                .format(ip, port, modality, wallet.hotkey.public_key,
                        wallet.coldkeypub))
        else:
            logger.error("Failed to subscribe")
        return result

    def add_stake(
        self,
        wallet: 'bittensor.wallet.Wallet',
        amount: Balance,
        hotkey_id: int,
        wait_for_inclusion: bool = False,
        wait_for_finalization: bool = False,
        timeout: int = 3 * bittensor.__blocktime__,
    ) -> bool:
        r""" Adds the specified amount of stake to passed hotkey uid.
        Args:
            wallet (bittensor.wallet.Wallet):
                bittensor wallet object.
            amount (bittensor.utils.balance.Balance):
                amount to stake as bittensor balance
            hotkey_id (int):
                uid of hotkey to stake into.
            wait_for_inclusion (bool):
                if set, waits for the extrinsic to enter a block before returning true, 
                or returns false if the extrinsic fails to enter the block within the timeout.   
            wait_for_finalization (bool):
                if set, waits for the extrinsic to be finalized on the chain before returning true,
                or returns false if the extrinsic fails to be finalized within the timeout.
            timeout (int):
                time that this call waits for either finalization of inclusion.
        Returns:
            success (bool):
                flag is true if extrinsic was finalized or uncluded in the block. 
                If we did not wait for finalization / inclusion, the response is true.
        """
        call = self.substrate.compose_call(call_module='SubtensorModule',
                                           call_function='add_stake',
                                           call_params={
                                               'hotkey': hotkey_id,
                                               'ammount_staked': amount.rao
                                           })
        extrinsic = self.substrate.create_signed_extrinsic(
            call=call, keypair=wallet.coldkey)
        return self.substrate.submit_extrinsic(
            extrinsic, wait_for_inclusion, wait_for_finalization).is_success

    def transfer(
        self,
        wallet: 'bittensor.wallet.Wallet',
        dest: str,
        amount: Balance,
        wait_for_inclusion: bool = False,
        wait_for_finalization: bool = False,
        timeout: int = 3 * bittensor.__blocktime__,
    ) -> bool:
        r""" Transfers funds from this wallet to the destination public key address
        Args:
            wallet (bittensor.wallet.Wallet):
                bittensor wallet object.
            dest (str):
                destination public key address of reciever. 
            amount (bittensor.utils.balance.Balance):
                amount to stake as bittensor balance
            wait_for_inclusion (bool):
                if set, waits for the extrinsic to enter a block before returning true, 
                or returns false if the extrinsic fails to enter the block within the timeout.   
            wait_for_finalization (bool):
                if set, waits for the extrinsic to be finalized on the chain before returning true,
                or returns false if the extrinsic fails to be finalized within the timeout.
            timeout (int):
                time that this call waits for either finalization of inclusion.
        Returns:
            success (bool):
                flag is true if extrinsic was finalized or uncluded in the block. 
                If we did not wait for finalization / inclusion, the response is true.
        """
        call = self.substrate.compose_call(call_module='Balances',
                                           call_function='transfer',
                                           call_params={
                                               'dest': dest,
                                               'value': amount.rao
                                           })
        extrinsic = self.substrate.create_signed_extrinsic(
            call=call, keypair=wallet.coldkey)
        return self.substrate.submit_extrinsic(
            extrinsic, wait_for_inclusion, wait_for_finalization).is_success

    def unstake(
        self,
        wallet: 'bittensor.wallet.Wallet',
        amount: Balance,
        hotkey_id: int,
        wait_for_inclusion: bool = False,
        wait_for_finalization: bool = False,
        timeout: int = 3 * bittensor.__blocktime__,
    ) -> bool:
        r""" Removes stake into the wallet coldkey from the specified hotkey uid.
        Args:
            wallet (bittensor.wallet.Wallet):
                bittensor wallet object.
            amount (bittensor.utils.balance.Balance):
                amount to stake as bittensor balance
            hotkey_id (int):
                uid of hotkey to unstake from.
            wait_for_inclusion (bool):
                if set, waits for the extrinsic to enter a block before returning true, 
                or returns false if the extrinsic fails to enter the block within the timeout.   
            wait_for_finalization (bool):
                if set, waits for the extrinsic to be finalized on the chain before returning true,
                or returns false if the extrinsic fails to be finalized within the timeout.
            timeout (int):
                time that this call waits for either finalization of inclusion.
        Returns:
            success (bool):
                flag is true if extrinsic was finalized or uncluded in the block. 
                If we did not wait for finalization / inclusion, the response is true.
        """
        call = self.substrate.compose_call(call_module='SubtensorModule',
                                           call_function='remove_stake',
                                           call_params={
                                               'ammount_unstaked': amount.rao,
                                               'hotkey': hotkey_id
                                           })
        extrinsic = self.substrate.create_signed_extrinsic(
            call=call, keypair=wallet.coldkey)
        return self.substrate.submit_extrinsic(
            extrinsic, wait_for_inclusion, wait_for_finalization).is_success

    def set_weights(self,
                    wallet: 'bittensor.wallet.Wallet',
                    destinations,
                    values,
                    wait_for_inclusion: bool = False,
                    wait_for_finalization: bool = False,
                    timeout: int = 3 * bittensor.__blocktime__) -> bool:
        r""" Sets the given weights and values on chain for wallet hotkey account.
        Args:
            wallet (bittensor.wallet.Wallet):
                bittensor wallet object.
            destinations (List[int]):
                uint64 uids of destination neurons.
            values (List[int]):
                u32 max encoded floating point weights.
            wait_for_inclusion (bool):
                if set, waits for the extrinsic to enter a block before returning true, 
                or returns false if the extrinsic fails to enter the block within the timeout.
            wait_for_finalization (bool):
                if set, waits for the extrinsic to be finalized on the chain before returning true,
                or returns false if the extrinsic fails to be finalized within the timeout.
            timeout (int):
                time that this call waits for either finalization of inclusion.
        Returns:
            success (bool):
                flag is true if extrinsic was finalized or uncluded in the block. 
                If we did not wait for finalization / inclusion, the response is true.
        """
        call = self.substrate.compose_call(call_module='SubtensorModule',
                                           call_function='set_weights',
                                           call_params={
                                               'dests': destinations,
                                               'weights': values
                                           })
        extrinsic = self.substrate.create_signed_extrinsic(
            call=call, keypair=wallet.hotkey)
        return self.substrate.submit_extrinsic(
            extrinsic,
            wait_for_inclusion=wait_for_inclusion,
            wait_for_finalization=wait_for_finalization).is_success

    def get_balance(self, address: str) -> Balance:
        r""" Returns the token balance for the passed ss58_address address
        Args:
            address (Substrate address format, default = 42):
                ss58 chain address.
        Return:
            balance (bittensor.utils.balance.Balance):
                account balance
        """
        result = self.substrate.get_runtime_state(module='System',
                                                  storage_function='Account',
                                                  params=[address],
                                                  block_hash=None)
        balance_info = result.get('result')
        if not balance_info:
            return Balance(0)
        balance = balance_info['data']['free']
        return Balance(balance)

    def get_current_block(self) -> int:
        r""" Returns the current block number on the chain.
        Returns:
            block_number (int):
                Current chain blocknumber.
        """
        return self.substrate.get_block_number(None)

    def get_block_hash(self, block_nr):
        return self.substrate.get_block_hash(block_nr)

    def get_active(self) -> List[Tuple[str, int]]:
        r""" Returns a list of (public key, uid) pairs one for each active peer on chain.
        Returns:
            active (List[Tuple[str, int]]):
                List of active peers.
        """
        result = self.substrate.iterate_map(
            module='SubtensorModule',
            storage_function='Active',
        )
        return result

    def get_stake(self, hash=None) -> List[Tuple[int, int]]:
        r""" Returns a list of (uid, stake) pairs one for each active peer on chain.
        Returns:
            stake (List[Tuple[int, int]]):
                List of stake values.
        """
        result = self.substrate.iterate_map(module='SubtensorModule',
                                            storage_function='Stake',
                                            block_hash=hash)
        return result

    def get_last_emit(self, hash=None) -> List[Tuple[int, int]]:
        r""" Returns a list of (uid, last emit) pairs for each active peer on chain.
        Returns:
            last_emit (List[Tuple[int, int]]):
                List of last emit values.
        """
        result = self.substrate.iterate_map(module='SubtensorModule',
                                            storage_function='LastEmit',
                                            block_hash=hash)
        return result

    def get_weight_vals(self, hash=None) -> List[Tuple[int, List[int]]]:
        r""" Returns a list of (uid, weight vals) pairs for each active peer on chain.
        Returns:
            weight_vals (List[Tuple[int, List[int]]]):
                List of weight val pairs.
        """
        result = self.substrate.iterate_map(module='SubtensorModule',
                                            storage_function='WeightVals',
                                            block_hash=hash)
        return result

    def get_weight_uids(self, hash=None) -> List[Tuple[int, int]]:
        r""" Returns a list of (uid, weight uids) pairs for each active peer on chain.
        Returns:
            weight_uids (List[Tuple[int, List[int]]]):
                List of weight uid pairs
        """
        result = self.substrate.iterate_map(module='SubtensorModule',
                                            storage_function='WeightUids',
                                            block_hash=hash)
        return result

    def neurons(self, hash=None) -> List[Tuple[int, dict]]:
        r""" Returns a list of neuron from the chain. 
        Returns:
            neuron (List[Tuple[int, dict]]):
                List of neuron objects.
        """
        neurons = self.substrate.iterate_map(module='SubtensorModule',
                                             storage_function='Neurons',
                                             block_hash=hash)
        return neurons

    # def __convert_neuron(self, data) -> dict:
    #
    #     return dict({
    #         'coldkey': data['coldkey'],
    #         'hotkey': data['hotkey'],
    #         'ip_type': int(data['ip_type']),
    #         'ip': int(data['ip']),
    #         'port': int(data['port']),
    #         'modality': int(data['modality']),
    #         'uid': int(data['uid'])
    #     })

    def get_uid_for_pubkey(self, pubkey=str) -> Optional[int]:
        """ Returns the uid of the peer given passed public key string.
        Args:
            pubkey (str):
                String encoded public key.
        Returns:
            uid (int):
                uid of peer with hotkey equal to passed public key.
        """
        result = self.substrate.get_runtime_state(module='SubtensorModule',
                                                  storage_function='Active',
                                                  params=[pubkey])

        if result['result'] is None:
            return None
        return int(result['result'])

    def get_neuron_for_uid(self, uid) -> dict:
        """ Returns the neuron metadata of the peer with the passed uid.
        Args:
            uid (int):
                Uid to query for metadata.
        Returns:
            metadata (Dict):
                Dict in list form containing metadata of associated uid.
        """
        result = self.substrate.get_runtime_state(module='SubtensorModule',
                                                  storage_function='Neurons',
                                                  params=[uid])
        return result['result']

    def get_stake_for_uid(self, uid) -> Balance:
        r""" Returns the staked token amount of the peer with the passed uid.
        Args:
            uid (int):
                Uid to query for metadata.
        Returns:
            stake (int):
                Amount of staked token.
        """
        stake = self.substrate.get_runtime_state(module='SubtensorModule',
                                                 storage_function='Stake',
                                                 params=[uid])
        result = stake['result']
        if not result:
            return Balance(0)
        return Balance(result)

    def weight_uids_for_uid(self, uid) -> List[int]:
        r""" Returns the weight uids of the peer with the passed uid.
        Args:
            uid (int):
                Uid to query for metadata.
        Returns:
            weight_uids (List[int]):
                Weight uids for passed uid.
        """
        result = self.substrate.get_runtime_state(
            module='SubtensorModule',
            storage_function='WeightUids',
            params=[uid])
        return result['result']

    def weight_vals_for_uid(self, uid) -> List[int]:
        r""" Returns the weight vals of the peer with the passed uid.
        Args:
            uid (int):
                Uid to query for metadata.
        Returns:
            weight_vals (List[int]):
                Weight vals for passed uid.
        """
        result = self.substrate.get_runtime_state(
            module='SubtensorModule',
            storage_function='WeightVals',
            params=[uid])
        return result['result']

    def get_last_emit_data_for_uid(self, uid) -> int:
        r""" Returns the last emit of the peer with the passed uid.
        Args:
            uid (int):
                Uid to query for metadata.
        Returns:
            last_emit (int):
                Last emit block numebr
        """
        result = self.substrate.get_runtime_state(module='SubtensorModule',
                                                  storage_function='LastEmit',
                                                  params=[uid])
        return result['result']
        storage_function='FreeBalance',
        params=['EaG2CRhJWPb7qmdcJvy3LiWdh26Jreu9Dx6R1rXxPmYXoDk'],
        block_hash=block_hash).get('result')))

# Create, sign and submit extrinsic example

mnemonic = Keypair.generate_mnemonic()

keypair = Keypair.create_from_mnemonic(mnemonic, 2)

print("Created address: {}".format(keypair.ss58_address))

call = substrate.compose_call(
    call_module='Balances',
    call_function='transfer',
    call_params={
        'dest': 'EaG2CRhJWPb7qmdcJvy3LiWdh26Jreu9Dx6R1rXxPmYXoDk',
        'value': 2 * 10**3
    })

extrinsic = substrate.create_signed_extrinsic(call=call, keypair=keypair)

try:
    # result = substrate.send_extrinsic(extrinsic)
    result = substrate.submit_extrinsic(extrinsic, wait_for_inclusion=True)

    print('Extrinsic "{}" included in block "{}"'.format(
        result['extrinsic_hash'], result.get('block_hash')))

except SubstrateRequestException as e:
    print("Failed to send: {}".format(e))
substrate = SubstrateInterface(
    url="wss://westend-rpc.polkadot.io",
    ss58_format=42,
    type_registry_preset='westend'
)

keypair = Keypair.create_from_mnemonic('box change recall shift tent bus mad cherry aerobic engine ocean few')
# keypair = Keypair.create_from_mnemonic('episode together nose spoon dose oil faculty zoo ankle evoke admit walnut')
print(keypair.public_key)

# 5CFPcUJgYgWryPaV1aYjSbTpbTLu42V32Ytw1L9rfoMAsfGh
call = substrate.compose_call(
    call_module='Staking',
    call_function='bond',
    call_params={
        'controller': '5EPCUjPxiHAcNooYipQFWr9NmmXJKpNG5RhcntXwbtUySrgH',
        'value': 0.000001,
        'payee': {'Account':'5D5YAyW9o9Y8C39niHLNY623QsvuDtqkaWLDDNgpmYph6zgq'},
    }
)

extrinsic = substrate.create_signed_extrinsic(call=call, keypair=keypair)

try:
    receipt = substrate.submit_extrinsic(extrinsic, wait_for_inclusion=True)
    print("Extrinsic '{}' sent and included in block '{}'".format(receipt.extrinsic_hash, receipt.block_hash))

except SubstrateRequestException as e:
    print("Failed to send: {}".format(e))

Beispiel #21
0
                               ss58_format=42,
                               type_registry_preset='polkadot',
                               type_registry={
                                   "types": {
                                       "Certificate": {
                                           "type":
                                           "struct",
                                           "type_mapping":
                                           [["version_number", "i32"],
                                            ["owner_id", "AccountId"],
                                            ["name", "Vec<u8>"],
                                            ["info", "Vec<u8>"],
                                            ["key", "Vec<u8>"],
                                            ["ip_addr", "Vec<u8>"],
                                            ["domain", "Vec<u8>"]]
                                       }
                                   }
                               })

keypair = Keypair.create_from_uri('//Alice')
call = substrate.compose_call(
    call_module='Balances',
    call_function='transfer',
    call_params={
        'dest': '5CiPPseXPECbkjWCa6MnjNokrgYjMqmKndv2rSnekmSK2DjL',
        'value': 1 * 10**12
    })
extrinsic = substrate.create_signed_extrinsic(call=call, keypair=keypair)
result = substrate.submit_extrinsic(extrinsic)
print(result)
Beispiel #22
0
class JSONRPCResource(BaseResource):

    def __init__(self, cache_region):

        self.cache_region = cache_region

        # Check for custom types in Redis

        self.substrate = None

        custom_type_registry = self.cache_region.get('CUSTOM_TYPE_REGISTRY')
        self.init_type_registry(custom_type_registry)

        self.block_hash = None
        self.metadata_decoder = None
        self.runtime_version = None

        self.metadata_cache = {}

        self.methods = [
            'rpc_methods',
            'runtime_decodeScale',
            'runtime_encodeScale',
            'runtime_getMetadata',
            'runtime_getMetadataModules',
            'runtime_getMetadataCallFunctions',
            'runtime_getMetadataCallFunction',
            'runtime_getMetadataEvents',
            'runtime_getMetadataEvent',
            'runtime_getMetadataConstants',
            'runtime_getMetadataConstant',
            'runtime_getMetadataStorageFunctions',
            'runtime_getMetadataStorageFunction',
            'runtime_getMetadataErrors',
            'runtime_getMetadataError',
            'runtime_getState',
            'runtime_getTypeRegistry',
            'runtime_getType',
            'runtime_getCustomTypes',
            'runtime_addCustomType',
            'runtime_setCustomTypes',
            'runtime_removeCustomType',
            'runtime_resetCustomTypes',
            'runtime_getBlock',
            'runtime_createSignaturePayload',
            'runtime_createExternalSignerPayload',
            'runtime_createExtrinsic',
            'runtime_submitExtrinsic',
            'runtime_getPaymentInfo',
            'keypair_create',
            'keypair_inspect',
            'keypair_sign',
            'keypair_verify'
        ]

    def get_request_param(self, params):
        try:
            return params.pop(0)
        except IndexError:
            raise ValueError("Not enough parameters provided")

    def init_type_registry(self, custom_type_registry=None):

        if settings.TYPE_REGISTRY_FILE:
            type_registry = load_type_registry_file(settings.TYPE_REGISTRY_FILE)
        else:
            type_registry = {}

        if custom_type_registry:
            type_registry.update(custom_type_registry)

        self.substrate = SubstrateInterface(
            url=settings.SUBSTRATE_RPC_URL,
            ss58_format=settings.SUBSTRATE_ADDRESS_TYPE,
            type_registry_preset=settings.TYPE_REGISTRY,
            type_registry=custom_type_registry
        )

        if settings.DEBUG:
            print('Custom types at init: ', custom_type_registry)
            self.substrate.debug = True

    def init_request(self, params=None):

        if params:
            self.block_hash = self.get_request_param(params)
            if type(self.block_hash) is int:
                self.block_hash = self.substrate.get_block_hash(self.block_hash)

    def on_post(self, req, resp):
        self.block_hash = None
        self.metadata_decoder = None
        self.runtime_version = None

        self.substrate.request_id = req.media.get('id')

        method = req.media.get('method')
        params = req.media.get('params', [])

        # Check request requirements
        if not req.media.get('jsonrpc'):
            resp.media = {
                "error": {
                    "code": -32600,
                    "message": "Unsupported JSON-RPC protocol version"
                },
                "id": req.media.get('id')
            }
        elif not method:
            resp.media = {
                "error": {
                    "code": -32601,
                    "message": "Method not found"
                },
                "id": req.media.get('id')
            }
        elif method not in self.methods:
            # Default pass through request to Substrate RPC
            resp.media = self.substrate.rpc_request(method, params)
        else:
            resp.status = falcon.HTTP_200
            try:

                # Process methods
                if method == 'runtime_getBlock':
                    self.init_request(params)

                    block = self.substrate.get_block(block_hash=self.block_hash)

                    if block:

                        block['extrinsics'] = [extrinsic.value for extrinsic in block['extrinsics']]
                        block['header']["digest"]["logs"] = [log.value for log in block['header']["digest"]["logs"]]

                    response = {
                        "jsonrpc": "2.0",
                        "result": block,
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_getState':
                    # Init params
                    storage_params = None

                    # Process params
                    module = self.get_request_param(params)
                    storage_function = self.get_request_param(params)
                    if params:
                        storage_params = self.get_request_param(params)

                    self.init_request(params)

                    # Get response
                    obj = self.substrate.query(
                        module=module,
                        storage_function=storage_function,
                        params=storage_params,
                        block_hash=self.block_hash
                    )
                    response = {'result': obj.value if obj else None}

                elif method == 'runtime_getMetadata':
                    # Process params
                    self.init_request(params)

                    # Get response
                    response = self.substrate.get_runtime_metadata(block_hash=self.block_hash)

                elif method in ['runtime_createSignaturePayload', 'runtime_createExternalSignerPayload']:
                    account = self.get_request_param(params)
                    call_module = self.get_request_param(params)
                    call_function = self.get_request_param(params)
                    call_params = self.get_request_param(params)
                    tip = self.get_request_param(params) or 0
                    era = self.get_request_param(params)

                    self.init_request(params)

                    try:
                        # Create call
                        call = self.substrate.compose_call(
                            call_module=call_module,
                            call_function=call_function,
                            call_params=call_params,
                            block_hash=self.block_hash
                        )

                        nonce = self.substrate.get_account_nonce(account) or 0

                        if isinstance(era, dict) and 'current' not in era and 'phase' not in era:
                            # Retrieve current block id
                            era['current'] = self.substrate.get_block_number(self.substrate.get_chain_head())

                        if method == 'runtime_createExternalSignerPayload':
                            include_call_length = True
                        else:
                            include_call_length = False

                        # Generate signature payload
                        signature_payload = self.substrate.generate_signature_payload(
                            call=call,
                            nonce=nonce,
                            tip=tip,
                            era=era,
                            include_call_length=include_call_length
                        )

                        response = {
                            "jsonrpc": "2.0",
                            "result": {
                                'signature_payload': str(signature_payload),
                                'nonce': nonce,
                                'era': era
                            },
                            "id": req.media.get('id')
                        }
                    except ValueError as e:
                        response = {
                            "jsonrpc": "2.0",
                            "error": {
                                "code": -999,
                                "message": str(e)
                            },
                            "id": req.media.get('id')
                        }
                elif method in ['runtime_submitExtrinsic', 'runtime_createExtrinsic']:
                    account = self.get_request_param(params)
                    call_module = self.get_request_param(params)
                    call_function = self.get_request_param(params)
                    call_params = self.get_request_param(params)
                    tip = self.get_request_param(params) or 0
                    era = self.get_request_param(params)
                    crypto_type = int(self.get_request_param(params) or 1)
                    signature = self.get_request_param(params)

                    self.init_request(params)

                    try:
                        # Create call
                        call = self.substrate.compose_call(
                            call_module=call_module,
                            call_function=call_function,
                            call_params=call_params,
                            block_hash=self.block_hash
                        )

                        nonce = self.substrate.get_account_nonce(account) or 0

                        # Create keypair with only public given given in request
                        keypair = Keypair(ss58_address=account, crypto_type=crypto_type)

                        if isinstance(era, dict) and 'current' in era:
                            era['current'] = int(era['current'])

                        # Create extrinsic
                        extrinsic = self.substrate.create_signed_extrinsic(
                            call=call,
                            keypair=keypair,
                            nonce=nonce,
                            signature=signature,
                            tip=tip,
                            era=era
                        )

                        if method == 'runtime_createExtrinsic':
                            result = str(extrinsic.data)
                        else:
                            # Submit extrinsic to the node
                            extrinsic_result = self.substrate.submit_extrinsic(
                                extrinsic=extrinsic
                            )
                            result = {
                                "extrinsic_hash": extrinsic_result.extrinsic_hash,
                                "block_hash": extrinsic_result.block_hash,
                                "finalized": extrinsic_result.finalized,
                            }

                        response = {
                            "jsonrpc": "2.0",
                            "result": result,
                            "id": req.media.get('id')
                        }
                    except ValueError as e:
                        response = {
                            "jsonrpc": "2.0",
                            "error": {
                                "code": -999,
                                "message": str(e)
                            },
                            "id": req.media.get('id')
                        }
                    except SubstrateRequestException as e:
                        response = {
                            "jsonrpc": "2.0",
                            "error": e.args[0],
                            "id": req.media.get('id')
                        }
                elif method == 'runtime_getPaymentInfo':

                    account = self.get_request_param(params)
                    call_module = self.get_request_param(params)
                    call_function = self.get_request_param(params)
                    call_params = self.get_request_param(params)

                    # Create call
                    call = self.substrate.compose_call(
                        call_module=call_module,
                        call_function=call_function,
                        call_params=call_params
                    )

                    # Create keypair with only public given given in request
                    keypair = Keypair(ss58_address=account)

                    response = {
                        "jsonrpc": "2.0",
                        "result": self.substrate.get_payment_info(call=call, keypair=keypair),
                        "id": req.media.get('id')
                    }

                elif method == 'runtime_getMetadataModules':

                    self.init_request(params)

                    response = {
                        "jsonrpc": "2.0",
                        "result": self.substrate.get_metadata_modules(block_hash=self.block_hash),
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_getMetadataCallFunctions':

                    self.init_request(params)

                    call_list = self.substrate.get_metadata_call_functions(block_hash=self.block_hash)

                    response = {
                        "jsonrpc": "2.0",
                        "result": call_list,
                        "id": req.media.get('id')
                    }

                elif method == 'runtime_getMetadataCallFunction':

                    param_call_module = self.get_request_param(params)
                    param_call_module_function = self.get_request_param(params)

                    self.init_request(params)

                    result = self.substrate.get_metadata_call_function(
                        module_name=param_call_module,
                        call_function_name=param_call_module_function,
                        block_hash=self.block_hash
                    )

                    response = {
                        "jsonrpc": "2.0",
                        "result": result.value,
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_getMetadataEvents':

                    self.init_request(params)

                    event_list = self.substrate.get_metadata_events(block_hash=self.block_hash)

                    response = {
                        "jsonrpc": "2.0",
                        "result": event_list,
                        "id": req.media.get('id')
                    }

                elif method == 'runtime_getMetadataEvent':

                    param_call_module = self.get_request_param(params)
                    param_call_module_event = self.get_request_param(params)

                    self.init_request(params)

                    result = self.substrate.get_metadata_event(
                        module_name=param_call_module,
                        event_name=param_call_module_event,
                        block_hash=self.block_hash
                    )

                    response = {
                        "jsonrpc": "2.0",
                        "result": result,
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_getMetadataConstants':

                    self.init_request(params)

                    constant_list = self.substrate.get_metadata_constants(block_hash=self.block_hash)

                    response = {
                        "jsonrpc": "2.0",
                        "result": constant_list,
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_getMetadataConstant':

                    module_name = self.get_request_param(params)
                    constant_name = self.get_request_param(params)

                    self.init_request(params)

                    result = self.substrate.get_metadata_constant(
                        module_name=module_name,
                        constant_name=constant_name,
                        block_hash=self.block_hash
                    )

                    response = {
                        "jsonrpc": "2.0",
                        "result": result,
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_getMetadataStorageFunctions':
                    self.init_request(params)

                    storage_list = self.substrate.get_metadata_storage_functions(block_hash=self.block_hash)

                    response = {
                        "jsonrpc": "2.0",
                        "result": storage_list,
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_getMetadataStorageFunction':

                    module_name = self.get_request_param(params)
                    storage_name = self.get_request_param(params)

                    self.init_request(params)

                    result = self.substrate.get_metadata_storage_function(
                        module_name=module_name,
                        storage_name=storage_name,
                        block_hash=self.block_hash
                    )

                    response = {
                        "jsonrpc": "2.0",
                        "result": result.value,
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_getMetadataErrors':

                    self.init_request(params)

                    error_list = self.substrate.get_metadata_errors(block_hash=self.block_hash)

                    response = {
                        "jsonrpc": "2.0",
                        "result": error_list,
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_getMetadataError':

                    module_name = self.get_request_param(params)
                    error_name = self.get_request_param(params)

                    self.init_request(params)

                    result = self.substrate.get_metadata_error(
                        module_name=module_name,
                        error_name=error_name,
                        block_hash=self.block_hash
                    )

                    response = {
                        "jsonrpc": "2.0",
                        "result": result,
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_getTypeRegistry':

                    self.init_request(params)

                    result = self.substrate.get_type_registry(block_hash=self.block_hash)

                    if result:
                        result = list(result.values())

                    response = {
                        "jsonrpc": "2.0",
                        "result": result,
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_getType':

                    type_string = self.get_request_param(params)
                    self.init_request(params)

                    response = {
                        "jsonrpc": "2.0",
                        "result": self.substrate.get_type_definition(type_string, block_hash=self.block_hash),
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_addCustomType':

                    type_string = self.get_request_param(params)
                    type_definition = self.get_request_param(params)

                    # Retrieve current custom type registry
                    custom_type_registry = self.cache_region.get('CUSTOM_TYPE_REGISTRY')

                    if not custom_type_registry:
                        custom_type_registry = {
                            'types': {

                            }
                        }

                    custom_type_registry['types'][type_string] = type_definition

                    # TODO Try to decode given type definition

                    # Store updated custom type registry
                    self.cache_region.set('CUSTOM_TYPE_REGISTRY', custom_type_registry)

                    if settings.DEBUG:
                        print('Custom types updated to: ', custom_type_registry)

                    # Update runtime configuration
                    RuntimeConfiguration().update_type_registry(custom_type_registry)

                    response = {
                        "jsonrpc": "2.0",
                        "result": "Type registry updated",
                        "id": req.media.get('id')
                    }

                elif method == 'runtime_setCustomTypes':

                    custom_types = self.get_request_param(params)

                    if type(custom_types) is not dict:
                        raise ValueError('custom types must be in format: {"type_string": "type_definition"}')

                    custom_type_registry = {
                        'types': custom_types
                    }

                    # Store updated custom type registry
                    self.cache_region.set('CUSTOM_TYPE_REGISTRY', custom_type_registry)

                    # Reset runtime configuration
                    RuntimeConfiguration().clear_type_registry()
                    self.init_type_registry(custom_type_registry)

                    if settings.DEBUG:
                        print('Custom types updated to: ', custom_type_registry)

                    response = {
                        "jsonrpc": "2.0",
                        "result": "Type registry updated",
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_resetCustomTypes':

                    custom_type_registry = None

                    # Store updated custom type registry
                    self.cache_region.set('CUSTOM_TYPE_REGISTRY', custom_type_registry)

                    # Reset runtime configuration
                    RuntimeConfiguration().clear_type_registry()
                    self.init_type_registry()

                    if settings.DEBUG:
                        print('Custom types cleared')

                    response = {
                        "jsonrpc": "2.0",
                        "result": "Custom types cleared",
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_removeCustomType':

                    type_string = self.get_request_param(params)

                    # Retrieve current custom type registry
                    custom_type_registry = self.cache_region.get('CUSTOM_TYPE_REGISTRY')

                    if custom_type_registry and type_string in custom_type_registry.get('types', {}):
                        del custom_type_registry['types'][type_string]

                        # Store updated custom type registry
                        self.cache_region.set('CUSTOM_TYPE_REGISTRY', custom_type_registry)

                        # Reset runtime configuration
                        RuntimeConfiguration().clear_type_registry()
                        self.init_type_registry(custom_type_registry)

                        result = '"{}" removed from custom type registry'.format(type_string)

                    else:
                        result = '"{}" not found in custom type registry'.format(type_string)

                    response = {
                        "jsonrpc": "2.0",
                        "result": result,
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_getCustomTypes':

                    custom_type_registry = self.cache_region.get('CUSTOM_TYPE_REGISTRY')

                    if custom_type_registry:
                        result = custom_type_registry.get('types')
                    else:
                        result = {}

                    response = {
                        "jsonrpc": "2.0",
                        "result": result,
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_decodeScale':

                    type_string = self.get_request_param(params)
                    scale_hex_bytes = self.get_request_param(params)

                    self.init_request(params)

                    result = self.substrate.decode_scale(
                        type_string=type_string,
                        scale_bytes=scale_hex_bytes,
                        block_hash=self.block_hash
                    )

                    response = {
                        "jsonrpc": "2.0",
                        "result": result,
                        "id": req.media.get('id')
                    }
                elif method == 'runtime_encodeScale':

                    type_string = self.get_request_param(params)
                    value = self.get_request_param(params)

                    self.init_request(params)

                    result = self.substrate.encode_scale(
                        type_string=type_string,
                        value=value,
                        block_hash=self.block_hash
                    )

                    response = {
                        "jsonrpc": "2.0",
                        "result": result,
                        "id": req.media.get('id')
                    }
                elif method == 'keypair_create':

                    word_count = self.get_request_param(params) or 0
                    crypto_type = int(self.get_request_param(params) or 1)

                    mnemonic = Keypair.generate_mnemonic(word_count)

                    keypair = Keypair.create_from_mnemonic(
                        mnemonic=mnemonic, ss58_format=settings.SUBSTRATE_ADDRESS_TYPE, crypto_type=crypto_type
                    )

                    response = {
                        "jsonrpc": "2.0",
                        "result": {
                            'ss58_address': keypair.ss58_address,
                            'public_key': keypair.public_key,
                            'private_key': keypair.private_key,
                            'mnemonic': keypair.mnemonic,
                        },
                        "id": req.media.get('id')
                    }
                elif method == 'keypair_inspect':

                    mnemonic = self.get_request_param(params)
                    crypto_type = int(self.get_request_param(params) or 1)

                    keypair = Keypair.create_from_mnemonic(
                        mnemonic=mnemonic, ss58_format=settings.SUBSTRATE_ADDRESS_TYPE, crypto_type=crypto_type
                    )

                    response = {
                        "jsonrpc": "2.0",
                        "result": {
                            'ss58_address': keypair.ss58_address,
                            'public_key': keypair.public_key,
                            'private_key': keypair.private_key,
                            'mnemonic': keypair.mnemonic,
                        },
                        "id": req.media.get('id')
                    }
                elif method == 'keypair_sign':
                    mnemonic = self.get_request_param(params)
                    data = self.get_request_param(params)
                    crypto_type = int(self.get_request_param(params) or 1)

                    keypair = Keypair.create_from_mnemonic(
                        mnemonic=mnemonic, ss58_format=settings.SUBSTRATE_ADDRESS_TYPE, crypto_type=crypto_type
                    )
                    signature = keypair.sign(data)

                    response = {
                        "jsonrpc": "2.0",
                        "result": {'signature': signature},
                        "id": req.media.get('id')
                    }

                elif method == 'keypair_verify':
                    account_address = self.get_request_param(params)
                    data = self.get_request_param(params)
                    signature = self.get_request_param(params)
                    crypto_type = int(self.get_request_param(params) or 1)

                    keypair = Keypair(
                        ss58_address=account_address,
                        ss58_format=settings.SUBSTRATE_ADDRESS_TYPE,
                        crypto_type=crypto_type
                    )
                    result = keypair.verify(data, signature)

                    response = {
                        "jsonrpc": "2.0",
                        "result": {'verified': result},
                        "id": req.media.get('id')
                    }

                elif method == 'rpc_methods':

                    response = self.substrate.rpc_request(method, params)

                    # Add additional implemented method
                    response['result']['methods'] = sorted(response['result']['methods'] + self.methods)

                else:
                    raise NotImplementedError('Method \'{}\' not implemented yet'.format(method))
            except (ValueError, NotImplementedError) as e:
                response = {
                    "error": {
                        "code": -999,
                        "message": str(e)
                    },
                    "id": req.media.get('id')
                }
            except (InvalidScaleTypeValueException, RemainingScaleBytesNotEmptyException) as e:
                response = {
                    "error": {
                        "code": -998,
                        "message": "Decoding error, given SCALE-value or type registry might be invalid "
                    },
                    "id": req.media.get('id')
                }
            resp.media = response
        params=['EaG2CRhJWPb7qmdcJvy3LiWdh26Jreu9Dx6R1rXxPmYXoDk'
                ]).get('result') / 10**12))

print("Balance @ {}: {} DOT".format(
    block_hash,
    substrate.get_runtime_state(
        module='Balances',
        storage_function='FreeBalance',
        params=['EaG2CRhJWPb7qmdcJvy3LiWdh26Jreu9Dx6R1rXxPmYXoDk'],
        block_hash=block_hash).get('result') / 10**12))

# Unsigned extrinsic example
payload = substrate.compose_call(
    call_module='Balances',
    call_function='transfer',
    call_params={
        'dest': 'EaG2CRhJWPb7qmdcJvy3LiWdh26Jreu9Dx6R1rXxPmYXoDk',
        'value': 1000000000000
    })

print("\n\nUnsigned balance transfer extrinsic: {}".format(payload))

# Create historic unsigned extrinsic by providing block hash
payload = substrate.compose_call(
    call_module='Nicks',
    call_function='clear_name',
    call_params={},
    block_hash=
    "0x918107632d7994d50f3661db3af353d2aa378f696e47a393bab573f63f7d6c3a")

print("\n\nUnsigned deprecated nicks clear_name extrinsic: {}".format(payload))