protocol/packages/asset-swapper/contracts/src/DummyLiquidityProvider.sol
Jacob Evans 7e8b56eef4
feat: mStable + FQT Rollup (#2662)
* feat: mStable

* deploy and CHANGELOG

* `@0x/contracts-utils`: Add more testnet addresses.

* `@0x/contract-addresses`: Deply Mstable on testnets

* `@0x/contract-addresses`: Remove testnet deployments of mStable :-)

* move `erc20-bridge-sampler` into `asset-swapper`
remove `DevUtils` dependency from sampler contract.

* `@0x/asset-swapper`: Add ERC20BridgeSampler support for validating orders in maker fees denominated in non-maker assets.
`@0x/asset-swapper`: Add tests for `NativeOrderSampler`.

* `@0x/asset-swapper`: Return `0` sample if native order asset data is unsupported.

* `@0x/asset-swapper`: Fix failing test.

* feat: ExchangeProxy FQT fruit rollup (#2645)

* feat: Optimize Bridges in ExchangeProxy

* compile and most work

* work around to trust the delecall contract

* force allowances

* Update Kyber/Eth2Dai bridges

* Remove memory state where not required

* cleanup

* Combine Bridges into one adapter

* mixins

* refactor out ZeroExBridge

* move out interface

* comment out hacks

* update migrations

* remove simbot hacks

* AdapterAddresses and mStable

* Share constructor arg

* fix migration

* Remove whitespace

* `@0x/contracts-zero-ex`: BridgeAdapter -- revert if bridge address is 0.

* `@0x/contract-addresses`: Deploy FQT.

Co-authored-by: Lawrence Forman <me@merklejerk.com>
Co-authored-by: Lawrence Forman <lawrence@0xproject.com>

* update ganache contract addresses

* fix: asset-swapper empty batch call (#2669)

* update ganache contract addresses

* fix: asset-swapper prevent empty sampler batch call

* add sampler to migrations

* change migrations version

* Use contract-wrappers and artifacts

* remove extra data

* remove deps, set sampler to NULL_ADDRESS

* all the exports

* noop sell rate too

* update ganache contract addresses

Co-authored-by: Lawrence Forman <me@merklejerk.com>
Co-authored-by: Lawrence Forman <lawrence@0xproject.com>
2020-08-20 08:18:44 +10:00

38 lines
1.1 KiB
Solidity

pragma solidity ^0.5.9;
pragma experimental ABIEncoderV2;
contract DummyLiquidityProvider
{
/// @dev Quotes the amount of `makerToken` that would be obtained by
/// selling `sellAmount` of `takerToken`.
/// @param sellAmount Amount of `takerToken` to sell.
/// @return makerTokenAmount Amount of `makerToken` that would be obtained.
function getSellQuote(
address, /* takerToken */
address, /* makerToken */
uint256 sellAmount
)
external
view
returns (uint256 makerTokenAmount)
{
makerTokenAmount = sellAmount - 1;
}
/// @dev Quotes the amount of `takerToken` that would need to be sold in
/// order to obtain `buyAmount` of `makerToken`.
/// @param buyAmount Amount of `makerToken` to buy.
/// @return takerTokenAmount Amount of `takerToken` that would need to be sold.
function getBuyQuote(
address, /* takerToken */
address, /* makerToken */
uint256 buyAmount
)
external
view
returns (uint256 takerTokenAmount)
{
takerTokenAmount = buyAmount + 1;
}
}