diff --git a/silkaj/cert.py b/silkaj/cert.py
index c0fb56c614e686275bcef8ed38539a0c6b5e33e5..a9dce4912c1ae7c74b0187e71a938f4eece9e77a 100644
--- a/silkaj/cert.py
+++ b/silkaj/cert.py
@@ -3,18 +3,18 @@ from tabulate import tabulate
from silkaj.auth import auth_method
from silkaj.tools import get_publickey_from_seed, message_exit, sign_document_from_seed
-from silkaj.network_tools import post_request
+from silkaj.network_tools import post_request, HeadBlock
from silkaj.license import license_approval
from silkaj.wot import is_member,\
get_uid_from_pubkey, get_informations_for_identity
-def send_certification(ep, head_block, cli_args):
+def send_certification(ep, cli_args):
id_to_certify = get_informations_for_identity(ep, cli_args.subsubcmd)
main_id_to_certify = id_to_certify["uids"][0]
# Display license and ask for confirmation
- license_approval(head_block["currency"])
+ license_approval(HeadBlock(ep).head_block["currency"])
# Authentication
seed = auth_method(cli_args)
@@ -35,7 +35,7 @@ def send_certification(ep, head_block, cli_args):
# Certification confirmation
if not certification_confirmation(issuer_id, issuer_pubkey, id_to_certify, main_id_to_certify):
return
- cert_doc = generate_certification_document(head_block, issuer_pubkey, id_to_certify, main_id_to_certify)
+ cert_doc = generate_certification_document(ep, issuer_pubkey, id_to_certify, main_id_to_certify)
cert_doc += sign_document_from_seed(cert_doc, seed) + "\n"
# Send certification document
@@ -53,7 +53,8 @@ def certification_confirmation(issuer_id, issuer_pubkey, id_to_certify, main_id_
return True
-def generate_certification_document(head_block, issuer_pubkey, id_to_certify, main_id_to_certify):
+def generate_certification_document(ep, issuer_pubkey, id_to_certify, main_id_to_certify):
+ head_block = HeadBlock(ep).head_block
return "Version: 10\n\
Type: Certification\n\
Currency: " + head_block["currency"] + "\n\
diff --git a/silkaj/commands.py b/silkaj/commands.py
index 2daa81ac7b79eaff53b6aaf8e11eed254d50a492..67e6a82d32dc8ed2f667e4168052b2e4e669bbab 100644
--- a/silkaj/commands.py
+++ b/silkaj/commands.py
@@ -6,17 +6,16 @@ from tabulate import tabulate
from operator import itemgetter
from silkaj.wot import get_uid_from_pubkey
-from silkaj.network_tools import discover_peers, get_request, best_node, get_current_block
-from silkaj.tools import convert_time, get_currency_symbol, message_exit
+from silkaj.network_tools import discover_peers, get_request, best_node, get_current_block, HeadBlock
+from silkaj.tools import convert_time, message_exit, CurrencySymbol
from silkaj.constants import NO_MATCHING_ID
-def currency_info(ep, head_block):
- info_type = ["newcomers", "certs", "actives", "leavers", "excluded", "ud", "tx"]
- i, info_data = 0, dict()
- while (i < len(info_type)):
- info_data[info_type[i]] = get_request(ep, "blockchain/with/" + info_type[i])["result"]["blocks"]
- i += 1
+def currency_info(ep):
+ info_data = dict()
+ for info_type in ["newcomers", "certs", "actives", "leavers", "excluded", "ud", "tx"]:
+ info_data[info_type] = get_request(ep, "blockchain/with/" + info_type)["result"]["blocks"]
+ head_block = HeadBlock(ep).head_block
system("clear")
print("Connected to node:", ep[best_node(ep, False)], ep["port"],
"\nCurrent block number:", head_block["number"],
@@ -158,7 +157,8 @@ def network_info(ep, discover):
print(tabulate(endpoints, headers="keys", tablefmt="orgtbl", stralign="center"))
-def list_issuers(ep, head_block, nbr, last):
+def list_issuers(ep, nbr, last):
+ head_block = HeadBlock(ep).head_block
current_nbr = head_block["number"]
if nbr == 0:
nbr = head_block["issuersFrame"]
@@ -215,13 +215,14 @@ def list_issuers(ep, head_block, nbr, last):
tabulate(sorted_list, headers="keys", tablefmt="orgtbl", floatfmt=".1f", stralign="center")))
-def argos_info(ep, head_block):
+def argos_info(ep):
info_type = ["newcomers", "certs", "actives", "leavers", "excluded", "ud", "tx"]
pretty_names = {'g1': 'Äž1', 'gtest': 'Äžtest'}
i, info_data = 0, dict()
while (i < len(info_type)):
info_data[info_type[i]] = get_request(ep, "blockchain/with/" + info_type[i])["result"]["blocks"]
i += 1
+ head_block = HeadBlock(ep).head_block
pretty = head_block["currency"]
if head_block["currency"] in pretty_names:
pretty = pretty_names[head_block["currency"]]
diff --git a/silkaj/money.py b/silkaj/money.py
index 21c67e82bf0194918225812c42a24529e7913f6a..4decd91c329c0479fe8ff2e9258af43a148ff7b3 100644
--- a/silkaj/money.py
+++ b/silkaj/money.py
@@ -1,10 +1,10 @@
-from silkaj.network_tools import get_request
-from silkaj.tools import get_currency_symbol, get_publickey_from_seed
+from silkaj.network_tools import get_request, HeadBlock
+from silkaj.tools import get_publickey_from_seed, CurrencySymbol
from silkaj.auth import auth_method
from silkaj.wot import check_public_key
-def cmd_amount(ep, cli_args, config, head_block, ud_value, currency_symbol):
+def cmd_amount(ep, cli_args):
if not cli_args.subsubcmd.startswith("--"):
pubkeys = cli_args.subsubcmd.split(":")
for pubkey in pubkeys:
@@ -13,8 +13,8 @@ def cmd_amount(ep, cli_args, config, head_block, ud_value, currency_symbol):
return
total = [0, 0]
for pubkey in pubkeys:
- value = get_amount_from_pubkey(ep, head_block, pubkey)
- show_amount_from_pubkey(pubkey, value, ud_value, currency_symbol)
+ value = get_amount_from_pubkey(ep, pubkey)
+ show_amount_from_pubkey(ep, pubkey, value)
total[0] += value[0]
total[1] += value[1]
if (len(pubkeys) > 1):
@@ -22,7 +22,7 @@ def cmd_amount(ep, cli_args, config, head_block, ud_value, currency_symbol):
else:
seed = auth_method(cli_args)
pubkey = get_publickey_from_seed(seed)
- show_amount_from_pubkey(pubkey, get_amount_from_pubkey(ep, head_block, pubkey), ud_value, currency_symbol)
+ show_amount_from_pubkey(ep, pubkey, get_amount_from_pubkey(ep, pubkey))
def show_amount_from_pubkey(ep, pubkey, value):
@@ -50,7 +50,7 @@ def show_amount_from_pubkey(ep, pubkey, value):
print("Total Quantitative =", round(totalAmountInput / 100, 2), currency_symbol + "\n")
-def get_amount_from_pubkey(ep, head_block, pubkey):
+def get_amount_from_pubkey(ep, pubkey):
sources = get_request(ep, "tx/sources/" + pubkey)["sources"]
listinput = []
@@ -69,7 +69,7 @@ def get_amount_from_pubkey(ep, head_block, pubkey):
pendings = history["sending"] + history["receiving"] + history["pending"]
# print(pendings)
- last_block_number = int(head_block["number"])
+ last_block_number = int(HeadBlock(ep).head_block["number"])
# add pending output
for pending in pendings:
diff --git a/silkaj/network_tools.py b/silkaj/network_tools.py
index 490660ab1d2fcd61104e9c7f9f726286a8af5d84..1f25803d52bb7d013649a22fad3ea4ea2681e869 100644
--- a/silkaj/network_tools.py
+++ b/silkaj/network_tools.py
@@ -160,3 +160,15 @@ def check_port(port):
def get_current_block(ep):
return get_request(ep, "blockchain/current")
+
+
+class HeadBlock(object):
+ __instance = None
+
+ def __new__(cls, ep):
+ if HeadBlock.__instance is None:
+ HeadBlock.__instance = object.__new__(cls)
+ return HeadBlock.__instance
+
+ def __init__(self, ep):
+ self.head_block = get_request(ep, "blockchain/current")
diff --git a/silkaj/silkaj.py b/silkaj/silkaj.py
index 0779e4de1f5f72ee8c96adb01152c70926eab47f..271148291b25f3c7ba72406c9dff2d9a9d308b10 100644
--- a/silkaj/silkaj.py
+++ b/silkaj/silkaj.py
@@ -8,7 +8,7 @@ from silkaj.cert import send_certification
from silkaj.commands import currency_info, difficulties, set_network_sort_keys,\
network_info, argos_info, list_issuers
from silkaj.tools import message_exit
-from silkaj.network_tools import get_request, get_current_block
+from silkaj.network_tools import get_request
from silkaj.wot import received_sent_certifications, id_pubkey_correspondence
from silkaj.auth import generate_auth_file
from silkaj.license import display_license
@@ -102,7 +102,7 @@ def manage_cmd(ep, cli_args):
if cli_args.subcmd == "about":
about()
elif cli_args.subcmd == "info":
- currency_info(ep, head_block)
+ currency_info(ep)
elif cli_args.subcmd == "diffi":
difficulties(ep)
@@ -115,19 +115,19 @@ def manage_cmd(ep, cli_args):
network_info(ep, cli_args.contains_switches("discover"))
elif cli_args.subcmd == "issuers" and cli_args.subsubcmd and int(cli_args.subsubcmd) >= 0:
- list_issuers(ep, head_block, int(cli_args.subsubcmd), cli_args.contains_switches('last'))
+ list_issuers(ep, int(cli_args.subsubcmd), cli_args.contains_switches('last'))
elif cli_args.subcmd == "argos":
- argos_info(ep, head_block)
+ argos_info(ep)
elif cli_args.subcmd == "amount":
- cmd_amount(ep, cli_args, currency_config, head_block, ud_value, currency_symbol)
+ cmd_amount(ep, cli_args)
elif cli_args.subcmd == "tx" or cli_args.subcmd == "transaction":
- send_transaction(ep, cli_args, head_block, ud_value, currency_symbol)
+ send_transaction(ep, cli_args)
elif cli_args.subcmd == "cert":
- send_certification(ep, head_block, cli_args)
+ send_certification(ep, cli_args)
elif cli_args.subcmd == "generate_auth_file":
generate_auth_file(cli_args)
diff --git a/silkaj/tx.py b/silkaj/tx.py
index 470d4ed3930a5b440fa5f6efec12cfe2d49c9a70..d4ccce632a2e20eb2f1e5c6b09ccf22f2cf1f6e5 100644
--- a/silkaj/tx.py
+++ b/silkaj/tx.py
@@ -4,7 +4,7 @@ from time import sleep
import urllib
from tabulate import tabulate
-from silkaj.network_tools import get_request, post_request
+from silkaj.network_tools import get_request, post_request, HeadBlock
from silkaj.tools import get_publickey_from_seed, sign_document_from_seed,\
check_public_key, message_exit
from silkaj.auth import auth_method
@@ -13,7 +13,7 @@ from silkaj.money import get_last_ud_value, get_amount_from_pubkey
from silkaj.constants import NO_MATCHING_ID
-def send_transaction(ep, cli_args, head_block, ud_value, currency_symbol):
+def send_transaction(ep, cli_args):
"""
Main function
"""
@@ -22,14 +22,14 @@ def send_transaction(ep, cli_args, head_block, ud_value, currency_symbol):
seed = auth_method(cli_args)
issuer_pubkey = get_publickey_from_seed(seed)
- pubkey_amount = get_amount_from_pubkey(ep, head_block, issuer_pubkey)[0]
+ pubkey_amount = get_amount_from_pubkey(ep, issuer_pubkey)[0]
outputAddresses = output.split(':')
check_transaction_values(comment, outputAddresses, outputBackChange, pubkey_amount < amount * len(outputAddresses), issuer_pubkey)
if cli_args.contains_switches('yes') or cli_args.contains_switches('y') or \
input(tabulate(transaction_confirmation(ep, issuer_pubkey, amount, ud, outputAddresses, comment),
tablefmt="fancy_grid") + "\nDo you confirm sending this transaction? [yes/no]: ") == "yes":
- generate_and_send_transaction(ep, head_block, seed, issuer_pubkey, amount, outputAddresses, comment, allSources, outputBackChange)
+ generate_and_send_transaction(ep, seed, issuer_pubkey, amount, outputAddresses, comment, allSources, outputBackChange)
def cmd_transaction(cli_args, ud):
@@ -92,10 +92,10 @@ def transaction_confirmation(ep, issuer_pubkey, amount, ud, outputAddresses, com
return tx
-def generate_and_send_transaction(ep, head_block, seed, issuers, AmountTransfered, outputAddresses, Comment="", all_input=False, OutputbackChange=None):
+def generate_and_send_transaction(ep, seed, issuers, AmountTransfered, outputAddresses, Comment="", all_input=False, OutputbackChange=None):
while True:
- listinput_and_amount = get_list_input_for_transaction(ep, head_block, issuers, AmountTransfered * len(outputAddresses), all_input)
+ listinput_and_amount = get_list_input_for_transaction(ep, issuers, AmountTransfered * len(outputAddresses), all_input)
intermediatetransaction = listinput_and_amount[2]
if intermediatetransaction:
@@ -104,7 +104,7 @@ def generate_and_send_transaction(ep, head_block, seed, issuers, AmountTransfere
print(" - From: " + issuers)
print(" - To: " + issuers)
print(" - Amount: " + str(totalAmountInput / 100))
- transaction = generate_transaction_document(ep, head_block, issuers, totalAmountInput, listinput_and_amount, outputAddresses, "Change operation")
+ transaction = generate_transaction_document(ep, issuers, totalAmountInput, listinput_and_amount, outputAddresses, "Change operation")
transaction += sign_document_from_seed(transaction, seed) + "\n"
post_request(ep, "tx/process", "transaction=" + urllib.parse.quote_plus(transaction))
print("Change Transaction successfully sent.")
@@ -119,7 +119,7 @@ def generate_and_send_transaction(ep, head_block, seed, issuers, AmountTransfere
print(" - Amount: " + str(listinput_and_amount[1] / 100))
else:
print(" - Amount: " + str(AmountTransfered / 100 * len(outputAddresses)))
- transaction = generate_transaction_document(ep, head_block, issuers, AmountTransfered, listinput_and_amount, outputAddresses, Comment, OutputbackChange)
+ transaction = generate_transaction_document(ep, issuers, AmountTransfered, listinput_and_amount, outputAddresses, Comment, OutputbackChange)
transaction += sign_document_from_seed(transaction, seed) + "\n"
post_request(ep, "tx/process", "transaction=" + urllib.parse.quote_plus(transaction))
@@ -127,13 +127,14 @@ def generate_and_send_transaction(ep, head_block, seed, issuers, AmountTransfere
break
-def generate_transaction_document(ep, head_block, issuers, AmountTransfered, listinput_and_amount, outputAddresses, Comment="", OutputbackChange=None):
+def generate_transaction_document(ep, issuers, AmountTransfered, listinput_and_amount, outputAddresses, Comment="", OutputbackChange=None):
totalAmountTransfered = AmountTransfered * len(outputAddresses)
listinput = listinput_and_amount[0]
totalAmountInput = listinput_and_amount[1]
+ head_block = HeadBlock(ep).head_block
currency_name = head_block["currency"]
blockstamp_current = str(head_block["number"]) + "-" + str(head_block["hash"])
curentUnitBase = head_block["unitbase"]
@@ -195,7 +196,7 @@ def generate_transaction_document(ep, head_block, issuers, AmountTransfered, lis
return transaction_document
-def get_list_input_for_transaction(ep, head_block, pubkey, TXamount, allinput=False):
+def get_list_input_for_transaction(ep, pubkey, TXamount, allinput=False):
# real source in blockchain
sources = get_request(ep, "tx/sources/" + pubkey)["sources"]
if sources is None:
@@ -210,7 +211,7 @@ def get_list_input_for_transaction(ep, head_block, pubkey, TXamount, allinput=Fa
history = get_request(ep, "tx/history/" + pubkey + "/pending")["history"]
pendings = history["sending"] + history["receiving"] + history["pending"]
- last_block_number = int(head_block["number"])
+ last_block_number = int(HeadBlock(ep).head_block["number"])
# add pending output
for pending in pendings: