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implemented current version of self-mint proposal (https://github.com…
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…/brc20-devs/brc20-proposals/blob/main/bp04-self-mint/proposal.md)
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@samedcildir
samedcildir committed Mar 13, 2024
1 parent bbde503 commit 9424686
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8 changes: 4 additions & 4 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -25,14 +25,14 @@ EVENT_SEPARATOR = '|'
## ticker_original is the ticker on inscription
for event in block_events:
if event is 'deploy-inscribe':
block_str += 'deploy-inscribe;<inscr_id>;<deployer_pkscript>;<ticker>;<ticker_original>;<max_supply>;<decimals>;<limit_per_mint>' + EVENT_SEPARATOR
block_str += 'deploy-inscribe;<inscr_id>;<deployer_pkscript>;<ticker_lowercase>;<ticker_original>;<max_supply>;<decimals>;<limit_per_mint>;<is_self_mint("true" or "false")>' + EVENT_SEPARATOR
if event is 'mint-inscribe':
block_str += 'mint-inscribe;<inscr_id>;<minter_pkscript>;<ticker>;<ticker_original>;<amount>' + EVENT_SEPARATOR
block_str += 'mint-inscribe;<inscr_id>;<minter_pkscript>;<ticker_lowercase>;<ticker_original>;<amount>;<parent_id("" if null)>' + EVENT_SEPARATOR
if event is 'transfer-inscribe':
block_str += 'transfer-inscribe;<inscr_id>;<source_pkscript>;<ticker>;<ticker_original>;<amount>' + EVENT_SEPARATOR
block_str += 'transfer-inscribe;<inscr_id>;<source_pkscript>;<ticker_lowercase>;<ticker_original>;<amount>' + EVENT_SEPARATOR
if event is 'transfer-transfer':
## if sent as fee, sent_pkscript is empty
block_str += 'transfer-transfer;<inscr_id>;<source_pkscript>;<sent_pkscript>;<ticker>;<ticker_original>;<amount>' + EVENT_SEPARATOR
block_str += 'transfer-transfer;<inscr_id>;<source_pkscript>;<sent_pkscript>;<ticker_lowercase>;<ticker_original>;<amount>' + EVENT_SEPARATOR

if block_str.last is EVENT_SEPARATOR: block_str.remove_last()
block_hash = sha256_hex(block_str)
Expand Down
60 changes: 41 additions & 19 deletions modules/brc20_index/brc20_index.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,8 @@
RECOVERABLE_DB_VERSIONS = [ ]
DB_VERSION = 4

SELF_MINT_ENABLE_HEIGHT = 837090

## psycopg2 doesn't get decimal size from postgres and defaults to 28 which is not enough for brc-20 so we use long which is infinite for integers
DEC2LONG = psycopg2.extensions.new_type(
psycopg2.extensions.DECIMAL.values,
Expand Down Expand Up @@ -204,7 +206,8 @@ def get_event_str(event, event_type, inscription_id):
res += event["original_tick"] + ";"
res += fix_numstr_decimals(event["max_supply"], decimals_int) + ";"
res += event["decimals"] + ";"
res += fix_numstr_decimals(event["limit_per_mint"], decimals_int)
res += fix_numstr_decimals(event["limit_per_mint"], decimals_int) + ";"
res += event["is_self_mint"]
return res
elif event_type == "mint-inscribe":
decimals_int = ticks[event["tick"]][2]
Expand All @@ -213,7 +216,8 @@ def get_event_str(event, event_type, inscription_id):
res += event["minted_pkScript"] + ";"
res += event["tick"] + ";"
res += event["original_tick"] + ";"
res += fix_numstr_decimals(event["amount"], decimals_int)
res += fix_numstr_decimals(event["amount"], decimals_int) + ";"
res += event["parent_id"]
return res
elif event_type == "transfer-inscribe":
decimals_int = ticks[event["tick"]][2]
Expand Down Expand Up @@ -295,7 +299,7 @@ def reset_caches():
balance_cache = {}
transfer_inscribe_event_cache = {}

def deploy_inscribe(block_height, inscription_id, deployer_pkScript, deployer_wallet, tick, original_tick, max_supply, decimals, limit_per_mint):
def deploy_inscribe(block_height, inscription_id, deployer_pkScript, deployer_wallet, tick, original_tick, max_supply, decimals, limit_per_mint, is_self_mint):
global ticks, in_commit, block_events_str, event_types
cur.execute("BEGIN;")
in_commit = True
Expand All @@ -307,20 +311,21 @@ def deploy_inscribe(block_height, inscription_id, deployer_pkScript, deployer_wa
"original_tick": original_tick,
"max_supply": str(max_supply),
"decimals": str(decimals),
"limit_per_mint": str(limit_per_mint)
"limit_per_mint": str(limit_per_mint),
"is_self_mint": str(is_self_mint)
}
block_events_str += get_event_str(event, "deploy-inscribe", inscription_id) + EVENT_SEPARATOR
cur.execute('''insert into brc20_events (event_type, block_height, inscription_id, event)
values (%s, %s, %s, %s);''', (event_types["deploy-inscribe"], block_height, inscription_id, json.dumps(event)))

cur.execute('''insert into brc20_tickers (tick, original_tick, max_supply, decimals, limit_per_mint, remaining_supply, block_height)
values (%s, %s, %s, %s, %s, %s, %s);''', (tick, original_tick, max_supply, decimals, limit_per_mint, max_supply, block_height))
cur.execute('''insert into brc20_tickers (tick, original_tick, max_supply, decimals, limit_per_mint, remaining_supply, block_height, is_self_mint, deploy_inscription_id)
values (%s, %s, %s, %s, %s, %s, %s);''', (tick, original_tick, max_supply, decimals, limit_per_mint, max_supply, block_height, is_self_mint == "true", inscription_id))

cur.execute("COMMIT;")
in_commit = False
ticks[tick] = [max_supply, limit_per_mint, decimals]
ticks[tick] = [max_supply, limit_per_mint, decimals, is_self_mint == "true", inscription_id]

def mint_inscribe(block_height, inscription_id, minted_pkScript, minted_wallet, tick, original_tick, amount):
def mint_inscribe(block_height, inscription_id, minted_pkScript, minted_wallet, tick, original_tick, amount, parent_id):
global ticks, in_commit, block_events_str, event_types
cur.execute("BEGIN;")
in_commit = True
Expand All @@ -330,7 +335,8 @@ def mint_inscribe(block_height, inscription_id, minted_pkScript, minted_wallet,
"minted_wallet": minted_wallet,
"tick": tick,
"original_tick": original_tick,
"amount": str(amount)
"amount": str(amount),
"parent_id": parent_id
}
block_events_str += get_event_str(event, "mint-inscribe", inscription_id) + EVENT_SEPARATOR
cur.execute('''insert into brc20_events (event_type, block_height, inscription_id, event)
Expand Down Expand Up @@ -467,7 +473,7 @@ def index_block(block_height, current_block_hash):
print("Indexing block " + str(block_height))
block_events_str = ""

cur_metaprotocol.execute('''SELECT ot.id, ot.inscription_id, ot.old_satpoint, ot.new_pkscript, ot.new_wallet, ot.sent_as_fee, oc."content", oc.content_type
cur_metaprotocol.execute('''SELECT ot.id, ot.inscription_id, ot.old_satpoint, ot.new_pkscript, ot.new_wallet, ot.sent_as_fee, oc."content", oc.content_type, onti.parent_id
FROM ord_transfers ot
LEFT JOIN ord_content oc ON ot.inscription_id = oc.inscription_id
LEFT JOIN ord_number_to_id onti ON ot.inscription_id = onti.inscription_id
Expand All @@ -485,11 +491,11 @@ def index_block(block_height, current_block_hash):

## refresh ticks
sttm = time.time()
cur.execute('''select tick, remaining_supply, limit_per_mint, decimals from brc20_tickers;''')
cur.execute('''select tick, remaining_supply, limit_per_mint, decimals, is_self_mint, deploy_inscription_id from brc20_tickers;''')
ticks_ = cur.fetchall()
ticks = {}
for t in ticks_:
ticks[t[0]] = [t[1], t[2], t[3]]
ticks[t[0]] = [t[1], t[2], t[3], t[4], t[5]]
print("Ticks refreshed in " + str(time.time() - sttm) + " seconds")

idx = 0
Expand All @@ -498,7 +504,8 @@ def index_block(block_height, current_block_hash):
if idx % 100 == 0:
print(idx, '/', len(transfers))

tx_id, inscr_id, old_satpoint, new_pkScript, new_addr, sent_as_fee, js, content_type = transfer
tx_id, inscr_id, old_satpoint, new_pkScript, new_addr, sent_as_fee, js, content_type, parent_id = transfer
if parent_id is None: parent_id = ""

if sent_as_fee and old_satpoint == '': continue ## inscribed as fee

Expand All @@ -514,7 +521,8 @@ def index_block(block_height, current_block_hash):
original_tick = tick
try: tick = tick.lower()
except: continue ## invalid tick
if utf8len(original_tick) != 4: continue ## invalid tick
original_tick_len = utf8len(original_tick)
if original_tick_len != 4 and original_tick_len != 5: continue ## invalid tick

# handle deploy
if js["op"] == 'deploy' and old_satpoint == '':
Expand All @@ -531,15 +539,26 @@ def index_block(block_height, current_block_hash):
else:
max_supply = get_number_extended_to_18_decimals(max_supply, decimals)
if max_supply is None: continue ## invalid max supply
if max_supply > (2**64-1) * (10**18) or max_supply <= 0: continue ## invalid max supply
if max_supply > (2**64-1) * (10**18) or max_supply < 0: continue ## invalid max supply
limit_per_mint = max_supply
if "lim" in js:
if not is_positive_number_with_dot(js["lim"]): continue ## invalid limit per mint
else:
limit_per_mint = get_number_extended_to_18_decimals(js["lim"], decimals)
if limit_per_mint is None: continue ## invalid limit per mint
if limit_per_mint > (2**64-1) * (10**18) or limit_per_mint <= 0: continue ## invalid limit per mint

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@dubuqingfeng

dubuqingfeng Mar 21, 2024

Perhaps the case where max equals 0 and limit(lim) equals 0 is ignored in self_mint mode.
deploy_inscribe(block_height, inscr_id, new_pkScript, new_addr, tick, original_tick, max_supply, decimals, limit_per_mint)
is_self_mint = "false"

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@weirdwhala

weirdwhala Mar 31, 2024

So, are all ticks with 4 characters not self-minted, and are all ticks with 5 characters mandated to be self-minted?

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@crackxia

crackxia Mar 31, 2024

So, are all ticks with 4 characters not self-minted, and are all ticks with 5 characters mandated to be self-minted?

yes
if original_tick_len == 5: ## this is a self-mint token
if block_height < SELF_MINT_ENABLE_HEIGHT: continue ## self-mint not enabled yet
if "self_mint" not in js: continue ## invalid inscription
if js["self_mint"] != "true": continue ## invalid inscription
is_self_mint = "true"
if max_supply == 0:
max_supply = (2**64-1) * (10**18) ## infinite(ish) mint
if limit_per_mint == 0:
limit_per_mint = (2**64-1) * (10**18)
if max_supply == 0: continue ## invalid max supply
deploy_inscribe(block_height, inscr_id, new_pkScript, new_addr, tick, original_tick, max_supply, decimals, limit_per_mint, is_self_mint)

# handle mint
if js["op"] == 'mint' and old_satpoint == '':
Expand All @@ -555,7 +574,10 @@ def index_block(block_height, current_block_hash):
if ticks[tick][1] is not None and amount > ticks[tick][1]: continue ## mint too much
if amount > ticks[tick][0]: ## mint remaining tokens
amount = ticks[tick][0]
mint_inscribe(block_height, inscr_id, new_pkScript, new_addr, tick, original_tick, amount)
if ticks[tick][3]: ## self-mint
## check parent token
if ticks[tick][4] != parent_id: continue ## invalid parent token
mint_inscribe(block_height, inscr_id, new_pkScript, new_addr, tick, original_tick, amount, parent_id)

# handle transfer
if js["op"] == 'transfer':
Expand Down Expand Up @@ -705,11 +727,11 @@ def reindex_cumulative_hashes():
max_block = row[1]

sttm = time.time()
cur.execute('''select tick, remaining_supply, limit_per_mint, decimals from brc20_tickers;''')
cur.execute('''select tick, remaining_supply, limit_per_mint, decimals, is_self_mint, deploy_inscription_id from brc20_tickers;''')
ticks_ = cur.fetchall()
ticks = {}
for t in ticks_:
ticks[t[0]] = [t[1], t[2], t[3]]
ticks[t[0]] = [t[1], t[2], t[3], t[4], t[5]]
print("Ticks refreshed in " + str(time.time() - sttm) + " seconds")

print("Reindexing cumulative hashes from " + str(min_block) + " to " + str(max_block))
Expand Down
2 changes: 2 additions & 0 deletions modules/brc20_index/db_init.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,8 @@ CREATE TABLE public.brc20_tickers (
decimals int4 NOT NULL,
limit_per_mint numeric(40) NOT NULL,
remaining_supply numeric(40) NOT NULL,
is_self_mint boolean NOT NULL,
deploy_inscription_id text NOT NULL,
block_height int4 NOT NULL,
CONSTRAINT brc20_tickers_pk PRIMARY KEY (id)
);
Expand Down

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