Contract

0x0bd23A23aD1e8f963EBf4A948c523bBd1267186e

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0x053b7f29...38878647E at txn 0x16b7ba8bf6b8dbc270986c93f4dcbd4313e3bb841a4bc429a9ae627945f317f1

TokenTracker

ERC-20: PriceOracle

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Latest 4 from a total of 4 transactions

Transaction Hash	Method	Block		From		To
0xbf9103248beb4563737483b23a258ee50d62f1ba30e56142efaed78882bfe9d2	Update Token Add...	8882291	2019-11-06 6:26:34	1941 days ago	1573021594	0x053b7f29...38878647E	IN	0x0bd23A23...d1267186e	0 ETH$0.00	0.00038328	8.51539434
0x0e7d01d6efd69638b1e7fcc6c7cb38a8de0fc58ef02176e94f0d27ef80ab406e	Update Token Add...	8594013	2019-09-21 17:42:53	1987 days ago	1569087773	0x053b7f29...38878647E	IN	0x0bd23A23...d1267186e	0 ETH$0.00	0.00065248	14.6
0x281dfb8d367f8f18a553d4dd165868d3bbccbe11f95805c15e6332fc00defa57	Update Token Add...	8594009	2019-09-21 17:41:02	1987 days ago	1569087662	0x053b7f29...38878647E	IN	0x0bd23A23...d1267186e	0 ETH$0.00	0.00065716	14.6
0xb9325c568b6a9bdb6aea5d6623a23701feaeeb8f606322de706a081e4ac511e1	Update Token Add...	8594006	2019-09-21 17:39:50	1987 days ago	1569087590	0x053b7f29...38878647E	IN	0x0bd23A23...d1267186e	0 ETH$0.00	0.0009733	21.62365591

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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x06965ECf...122F4F114
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:

Vyper_contract

Compiler Version

vyper:0.1.0b11

Optimization Enabled:

N/A

Other Settings:

default evmVersion, None license

Contract Source Code (Vyper language format)

IDE

struct PriceInfo:
    price: uint256
    lastUpdate: uint256

contract ERC20():
    def balanceOf(_owner: address) -> uint256: constant
    def decimals() -> uint256: constant

contract DaiPriceOracle:
    def g_priceInfo() -> PriceInfo: constant

PRICE_MULTIPLIER: constant(uint256) = 100000000 # 10**8

# DAI oracle returns DAI/USD price multiplied by 10**18
MIN_DAI_PRICE: constant(uint256) = 950000000000000000 # 0.95*10**18
MAX_DAI_PRICE: constant(uint256) = 1050000000000000000 # 1.05*10**18
# DAI_ORACLE_DIVIDER = 10**18 / PRICE_MULTIPLIER
DAI_ORACLE_DIVIDER: constant(uint256) = 10000000000 # 10**10

TokenAddressUpdated: event({token_address: indexed(address), token_index: indexed(int128)})

name: public(string[16])
owner: public(address)
supportedTokens: public(address[5])
daiAddress: public(address)
daiOracleAddress: public(address)

@public
def __init__(dai_address: address, dai_oracle_address: address):
    assert dai_address != ZERO_ADDRESS
    assert dai_oracle_address != ZERO_ADDRESS

    self.daiAddress = dai_address
    self.daiOracleAddress = dai_oracle_address
    self.supportedTokens[0] = dai_address
    self.owner = msg.sender
    self.name = 'PriceOracle'
    
@public
@constant
def normalized_token_prices(token_address: address) -> uint256:
    token_price: uint256
    token_decimals: uint256 = ERC20(token_address).decimals()
    
    if token_address != self.daiAddress:
        token_price = PRICE_MULTIPLIER
    else:
        price_info: PriceInfo = DaiPriceOracle(self.daiOracleAddress).g_priceInfo()
        token_price = price_info.price
        assert token_price >= MIN_DAI_PRICE
        assert token_price <= MAX_DAI_PRICE
        token_price = token_price / DAI_ORACLE_DIVIDER    

    normalized_price: uint256 = token_price * 10**(18 - token_decimals)
    return normalized_price

@public
@constant
def poolSize(contract_address: address) -> uint256:
    token_address: address
    normalized_price: uint256
    total: uint256 = 0

    for ind in range(5):
        token_address = self.supportedTokens[ind]
        if token_address != ZERO_ADDRESS:
            contract_balance: uint256 = ERC20(token_address).balanceOf(contract_address)
            normalized_price = self.normalized_token_prices(token_address)
            total += contract_balance * normalized_price / PRICE_MULTIPLIER

    return total

@public
def updateTokenAddress(token_address: address, ind: int128) -> bool:
    assert msg.sender == self.owner

    self.supportedTokens[ind] = token_address
    log.TokenAddressUpdated(token_address, ind)

    return True

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Contract ABI

API

[{"name":"TokenAddressUpdated","inputs":[{"type":"address","name":"token_address","indexed":true},{"type":"int128","name":"token_index","indexed":true}],"anonymous":false,"type":"event"},{"outputs":[],"inputs":[{"type":"address","name":"dai_address"},{"type":"address","name":"dai_oracle_address"}],"constant":false,"payable":false,"type":"constructor"},{"name":"normalized_token_prices","outputs":[{"type":"uint256","name":"out"}],"inputs":[{"type":"address","name":"token_address"}],"constant":true,"payable":false,"type":"function","gas":6353},{"name":"poolSize","outputs":[{"type":"uint256","name":"out"}],"inputs":[{"type":"address","name":"contract_address"}],"constant":true,"payable":false,"type":"function","gas":51785},{"name":"updateTokenAddress","outputs":[{"type":"bool","name":"out"}],"inputs":[{"type":"address","name":"token_address"},{"type":"int128","name":"ind"}],"constant":false,"payable":false,"type":"function","gas":37434},{"name":"name","outputs":[{"type":"string","name":"out"}],"inputs":[],"constant":true,"payable":false,"type":"function","gas":4018},{"name":"owner","outputs":[{"type":"address","name":"out"}],"inputs":[],"constant":true,"payable":false,"type":"function","gas":633},{"name":"supportedTokens","outputs":[{"type":"address","name":"out"}],"inputs":[{"type":"int128","name":"arg0"}],"constant":true,"payable":false,"type":"function","gas":862},{"name":"daiAddress","outputs":[{"type":"address","name":"out"}],"inputs":[],"constant":true,"payable":false,"type":"function","gas":693},{"name":"daiOracleAddress","outputs":[{"type":"address","name":"out"}],"inputs":[],"constant":true,"payable":false,"type":"function","gas":723}]

Deployed Bytecode

Decompile Bytecode

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