flip/multicall.py
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fix usdc decimals

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This commit is contained in:
banteg 2020-03-17 15:41:59 +07:00
parent f043d6c820
commit 089b39067d
1 changed files with 13 additions and 8 deletions
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21
examples/mcd_exporter.py
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@ -1,4 +1,5 @@
import time
from functools import partial
from decimal import Decimal
from multicall import Call, Multicall
from prometheus_client import start_http_server, Gauge
@ -53,6 +54,15 @@ def from_rad(value):
return Decimal(value) / 10**45
def from_wei(value, decimals=18):
return Decimal(value) / 10**decimals
from_wad = partial(from_wei, decimals=18)
from_ray = partial(from_wei, decimals=27)
from_rad = partial(from_wei, decimals=45)
def from_ilk(values):
return {
'Art': from_wad(values[0]),
@ -107,8 +117,8 @@ multi = Multicall([
Call(ETH, ['balanceOf(address)(uint256)', MCD_JOIN_ETH_A], [['eth_locked', from_wad]]),
Call(BAT, ['totalSupply()(uint256)'], [['bat_supply', from_wad]]),
Call(BAT, ['balanceOf(address)(uint256)', MCD_JOIN_BAT_A], [['bat_locked', from_wad]]),
Call(USDC, ['totalSupply()(uint256)'], [['usdc_supply', from_wad]]),
Call(USDC, ['balanceOf(address)(uint256)', MCD_JOIN_USDC_A], [['usdc_locked', from_wad]]),
Call(USDC, ['totalSupply()(uint256)'], [['usdc_supply', partial(from_wei, decimals=6)]]),
Call(USDC, ['balanceOf(address)(uint256)', MCD_JOIN_USDC_A], [['usdc_locked', partial(from_wei, decimals=6)]]),
Call(MCD_POT, ['Pie()(uint256)'], [['savings_pie', from_wad]]),
Call(MCD_POT, ['chi()(uint256)'], [['pie_chi', from_ray]]),
Call(MCD_POT, ['rho()(uint256)'], [['pot_drip', None]]),
@ -143,12 +153,7 @@ def fetch_data():
data['eth_price'] = data['eth_mat']['mat'] * data['eth_ilk']['spot']
data['bat_price'] = data['bat_mat']['mat'] * data['bat_ilk']['spot']
data['usdc_price'] = data['usdc_mat']['mat'] * data['usdc_ilk']['spot']
data['sys_locked'] = (
data['eth_price'] * data['eth_locked'] +
data['bat_price'] * data['bat_locked'] +
data['usdc_price'] * data['usdc_locked'] +
data['sai_locked']
)
data['sys_locked'] = data['eth_price'] * data['eth_locked'] + data['bat_price'] * data['bat_locked'] + data['usdc_price'] * data['usdc_locked'] + data['sai_locked']
data['sys_surplus'] = data['vow_dai'] - data['vow_sin']
data['sys_debt'] = data['vow_sin'] - data['sin'] - data['ash']
return data