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fix: Support Multiple Shells (#17)

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* fix: Support Multiple Shells

* CHANGEGLOG
This commit is contained in:
Jacob Evans
2020-10-29 17:09:23 +10:00
committed by GitHub
parent 02006118c7
commit 717db99b38
16 changed files with 143 additions and 101 deletions
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12
packages/asset-swapper/contracts/src/ShellSampler.sol
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@@ -28,13 +28,15 @@ contract ShellSampler is
/// @dev Default gas limit for Shell calls.
uint256 constant private DEFAULT_CALL_GAS = 300e3; // 300k
/// @dev Sample sell quotes from the Shell contract
/// @dev Sample sell quotes from the Shell pool contract
/// @param pool Address of the Shell pool contract
/// @param takerToken Address of the taker token (what to sell).
/// @param makerToken Address of the maker token (what to buy).
/// @param takerTokenAmounts Taker token sell amount for each sample.
/// @return makerTokenAmounts Maker amounts bought at each taker token
/// amount.
function sampleSellsFromShell(
address pool,
address takerToken,
address makerToken,
uint256[] memory takerTokenAmounts
@@ -49,7 +51,7 @@ contract ShellSampler is
for (uint256 i = 0; i < numSamples; i++) {
try
IShell(_getShellAddress()).viewOriginSwap
IShell(pool).viewOriginSwap
{gas: DEFAULT_CALL_GAS}
(takerToken, makerToken, takerTokenAmounts[i])
returns (uint256 amount)
@@ -62,13 +64,15 @@ contract ShellSampler is
}
}
/// @dev Sample buy quotes from Shell contract
/// @dev Sample buy quotes from Shell pool contract
/// @param pool Address of the Shell pool contract
/// @param takerToken Address of the taker token (what to sell).
/// @param makerToken Address of the maker token (what to buy).
/// @param makerTokenAmounts Maker token buy amount for each sample.
/// @return takerTokenAmounts Taker amounts sold at each maker token
/// amount.
function sampleBuysFromShell(
address pool,
address takerToken,
address makerToken,
uint256[] memory makerTokenAmounts
@@ -83,7 +87,7 @@ contract ShellSampler is
for (uint256 i = 0; i < numSamples; i++) {
try
IShell(_getShellAddress()).viewTargetSwap
IShell(pool).viewTargetSwap
{gas: DEFAULT_CALL_GAS}
(takerToken, makerToken, makerTokenAmounts[i])
returns (uint256 amount)