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Fix 3.3 + 0.15 = 3.4499999999999997

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Your Name 2024-08-08 17:15:12 +03:00
parent 5e54904a1c
commit 1d403e2495
1 changed files with 14 additions and 6 deletions
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20
api.py
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@ -1,6 +1,13 @@
from fastapi import FastAPI, HTTPException from fastapi import FastAPI, HTTPException
from pydantic import BaseModel from pydantic import BaseModel
# Fix 3.3 + 0.15 = 3.4499999999999997
from decimal import Decimal as d
def fix_add(one, two):
return float(d(str(one)) + d(str(two)))
def fix_sub(one, two):
return float(d(str(one)) - d(str(two)))
from db import * from db import *
app = FastAPI() app = FastAPI()
@ -111,7 +118,7 @@ def coins_add(it: Coins_add):
token, id, amount = it.token, it.id, float(it.amount) token, id, amount = it.token, it.id, float(it.amount)
if token_check(token): if token_check(token):
db = read() db = read()
db['id'][id]['bal'] += amount db['id'][id]['bal'] = fix_add(db['id'][id]['bal'], amount)
write(db) write(db)
return 'OK' return 'OK'
else: else:
@ -126,7 +133,7 @@ def coins_del(it: Coins_del):
token, id, amount = it.token, it.id, float(it.amount) token, id, amount = it.token, it.id, float(it.amount)
if token_check(token): if token_check(token):
db = read() db = read()
db['id'][id]['bal'] -= amount db['id'][id]['bal'] = fix_sub(db['id'][id]['bal'], amount)
write(db) write(db)
return 'OK' return 'OK'
else: else:
@ -144,9 +151,10 @@ def coins_transfer(it: Coins_transfer):
db = read() db = read()
amount = abs(amount) # Защита от отриц. чисел amount = abs(amount) # Защита от отриц. чисел
src_bal = db['id'][src_id]['bal'] src_bal = db['id'][src_id]['bal']
if src_bal > amount and amount > 0.0001: # Больше баланса и количество цифр после запятой <= 3
db['id'][src_id]['bal'] -= amount if src_bal >= amount and len(str(amount).split('.')[1]) <= 3: # and amount > 0.0001:
db['id'][dst_id]['bal'] += amount db['id'][src_id]['bal'] = fix_sub(db['id'][src_id]['bal'], amount)
db['id'][dst_id]['bal'] = fix_add(db['id'][dst_id]['bal'], amount)
write(db) write(db)
return 'OK' return 'OK'
else: else:
@ -330,4 +338,4 @@ def get_passwd(it: Get_passwd):
if __name__ == '__main__': if __name__ == '__main__':
import uvicorn import uvicorn
uvicorn.run(app, host='127.0.0.1', port=7001) uvicorn.run(app, host='0.0.0.0', port=7001)