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ui: Add rate lookup helper when creating offers.

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This commit is contained in:
tecnovert
2021-11-21 22:59:39 +02:00
parent 54ad0e496c
commit 8a9f4f9e38
11 changed files with 238 additions and 27 deletions
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63
basicswap/js_server.py
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@@ -19,6 +19,7 @@ from .chainparams import (
)
from .ui import (
PAGE_LIMIT,
getCoinType,
inputAmount,
describeBid,
setCoinFilter,
@@ -245,10 +246,6 @@ def js_revokeoffer(self, url_split, post_string, is_json):
return bytes(json.dumps({'revoked_offer': offer_id.hex()}), 'UTF-8')
def js_index(self, url_split, post_string, is_json):
return bytes(json.dumps(self.server.swap_client.getSummary()), 'UTF-8')
def js_smsgaddresses(self, url_split, post_string, is_json):
swap_client = self.server.swap_client
if len(url_split) > 3:
@@ -276,3 +273,61 @@ def js_smsgaddresses(self, url_split, post_string, is_json):
return bytes(json.dumps({'edited_address': address}), 'UTF-8')
return bytes(json.dumps(swap_client.listAllSMSGAddresses()), 'UTF-8')
def js_rates(self, url_split, post_string, is_json):
if post_string == '':
raise ValueError('No post data')
if is_json:
post_data = json.loads(post_string)
post_data['is_json'] = True
else:
post_data = urllib.parse.parse_qs(post_string)
sc = self.server.swap_client
coin_from = get_data_entry(post_data, 'coin_from')
coin_to = get_data_entry(post_data, 'coin_to')
return bytes(json.dumps(sc.lookupRates(coin_from, coin_to)), 'UTF-8')
def js_rate(self, url_split, post_string, is_json):
if post_string == '':
raise ValueError('No post data')
if is_json:
post_data = json.loads(post_string)
post_data['is_json'] = True
else:
post_data = urllib.parse.parse_qs(post_string)
sc = self.server.swap_client
coin_from = getCoinType(get_data_entry(post_data, 'coin_from'))
ci_from = sc.ci(coin_from)
coin_to = getCoinType(get_data_entry(post_data, 'coin_to'))
ci_to = sc.ci(coin_to)
# Set amount to if rate is provided
rate = get_data_entry_or(post_data, 'rate', None)
if rate is not None:
amt_from_str = get_data_entry_or(post_data, 'amt_from', None)
amt_to_str = get_data_entry_or(post_data, 'amt_to', None)
if amt_from_str is not None:
rate = ci_to.make_int(rate, r=1)
amt_from = inputAmount(amt_from_str, ci_from)
amount_to = ci_to.format_amount(int((amt_from * rate) // ci_from.COIN()), r=1)
return bytes(json.dumps({'amount_to': amount_to}), 'UTF-8')
if amt_to_str is not None:
rate = ci_from.make_int(1.0 / float(rate), r=1)
amt_to = inputAmount(amt_to_str, ci_to)
amount_from = ci_from.format_amount(int((amt_to * rate) // ci_to.COIN()), r=1)
return bytes(json.dumps({'amount_from': amount_from}), 'UTF-8')
amt_from = inputAmount(get_data_entry(post_data, 'amt_from'), ci_from)
amt_to = inputAmount(get_data_entry(post_data, 'amt_to'), ci_to)
rate = ci_to.format_amount(ci_from.make_int(amt_to / amt_from, r=1))
return bytes(json.dumps({'rate': rate}), 'UTF-8')
def js_index(self, url_split, post_string, is_json):
return bytes(json.dumps(self.server.swap_client.getSummary()), 'UTF-8')