Alice genesis and script for beatrice genesis

genesis/genesis.py

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+import json
+import yaml
+from peerplays import PeerPlays
+from peerplaysbase.account import BrainKey, Address
+
+
+def pubkey():
+    return format(next(key).get_public_key(), "TEST")
+
+
+def address():
+    pub = next(key).get_public_key()
+    return format(Address.from_pubkey(pub), "TEST")
+
+
+# We define a new BrainKey which is used to generate some new keys
+# for genesis block
+key = BrainKey("secret!")
+
+# Let's load Alice(main net) genesis block as a basis
+genesis = json.load(open("alice-genesis.json", "r"))
+
+# Initial accounts are init* + faucet
+genesis_accounts = list()
+for i in range(11):
+    genesis_accounts.append(dict(
+        active_key=pubkey(),
+        owner_key=pubkey(),
+        is_lifetime_member=True,
+        name="init{}".format(i)))
+
+genesis_accounts.append(dict(
+    active_key=pubkey(),
+    owner_key=pubkey(),
+    is_lifetime_member=True,
+    name="faucet"))
+genesis_accounts.append(dict(
+    active_key=pubkey(),
+    owner_key=pubkey(),
+    is_lifetime_member=True,
+    name="pbsa"))
+genesis["initial_accounts"] = genesis_accounts
+
+# BTF Asset
+genesis["initial_assets"] = [
+    {
+        "accumulated_fees": 0,
+        "collateral_records": [],
+        "description": "Fun token. Supposed to be worthless!",
+        "is_bitasset": False,
+        "issuer_name": "pbsa",
+        "max_supply": 21_000_000 * 10 ** 8,   # 21 Mio with precision 8
+        "precision": 8,  # precision 8
+        "symbol": "BTF"
+    }
+]
+
+# Inicial balances (claimable) - replace PPY prefix with TEST prefix
+btf_balances = []
+for i, _ in enumerate(genesis["initial_balances"]):
+    genesis["initial_balances"][i]["asset_symbol"] = "TEST"
+    genesis["initial_balances"][i]["owner"] = "TEST" + genesis["initial_balances"][i]["owner"][3:]
+
+# Let's distribute extra stake for sake of governance
+sum_distributed = sum([int(x["amount"]) for x in genesis["initial_balances"]])
+# 34% of supply are left for witnesses etc
+initial_pbsa = str(int(genesis["max_core_supply"]) * 0.66 - sum_distributed)
+genesis["initial_balances"].append(dict(
+    amount=int(initial_pbsa),
+    asset_symbol="TEST",
+    owner=address()
+))
+
+# Update sining keys of initial witnesses
+for i, _ in enumerate(genesis["initial_witness_candidates"]):
+    genesis["initial_witness_candidates"][i]["block_signing_key"] = pubkey()
+
+# Other stuff
+genesis["initial_vesting_balances"] = []
+genesis["initial_bts_accounts"] = []
+genesis["max_core_supply"] = '400000000000000'
+
+# Read params from Alice network
+peerplays = PeerPlays("wss://node.peerplays.download")
+params = peerplays.rpc.get_object("2.0.0")["parameters"]
+genesis["initial_parameters"] = {
+    'initial_parameters': params
+}
+
+# Store new genesis file as YAML file for better readbility
+yaml.dump(genesis, open("genesis.yaml", "w"))
+
+# .. and as json
+json.dump(genesis, open("genesis.json", "w"))
+
+print("Last sequence number: {}".format(key.sequence))