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add dagstore lib with http call #61

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add dagstore lib with http call #61

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5e7145d
add dagstore lib with http call
zeroXbrock May 24, 2024
83b4d73
invoke dag in newOrder to test
zeroXbrock May 24, 2024
1ae933f
fix bugs
zeroXbrock May 24, 2024
eb1652c
remove unnecessary casting
zeroXbrock May 24, 2024
68caa34
add content-type header to dag.get
zeroXbrock May 24, 2024
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29 changes: 24 additions & 5 deletions examples/app-ofa-private/ofa-private.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -4,14 +4,30 @@ pragma solidity ^0.8.8;
import "suave-std/suavelib/Suave.sol";
import "suave-std/Context.sol";

library DagStore {
function get(bytes32 id) internal returns (bytes memory) {
bytes memory body = abi.encodePacked('{"jsonrpc":"2.0","method":"batches.Pull","params":["', id, '"],"id":1}');
string[] memory headers = new string[](1);
headers[0] = "Content-Type: application/json";
Suave.HttpRequest memory request = Suave.HttpRequest({
url: "http://localhost:8000",
method: "GET",
headers: headers,
body: body,
withFlashbotsSignature: false
});
return Suave.doHTTPRequest(request);
}
}

contract OFAPrivate {
// Struct to hold hint-related information for an order.
struct HintOrder {
Suave.DataId id;
bytes hint;
}

event HintEvent(Suave.DataId id, bytes hint);
event HintEvent(Suave.DataId id, bytes hint, bytes res);

event BundleEmitted(string bundleRawResponse);

Expand Down Expand Up @@ -43,14 +59,17 @@ contract OFAPrivate {
return hintOrder;
}

function emitHint(HintOrder memory order) public {
emit HintEvent(order.id, order.hint);
function emitHint(HintOrder memory order, bytes memory dagResult) public {
emit HintEvent(order.id, order.hint, dagResult);
}

// Function to create a new user order
function newOrder(uint64 decryptionCondition) external returns (bytes memory) {
HintOrder memory hintOrder = saveOrder(decryptionCondition);
return abi.encodeWithSelector(this.emitHint.selector, hintOrder);

bytes memory testRes = DagStore.get(keccak256("testkey"));

return abi.encodeWithSelector(this.emitHint.selector, hintOrder, testRes);
}

// Function to match and backrun another dataRecord.
Expand All @@ -64,7 +83,7 @@ contract OFAPrivate {
dataRecords[1] = hintOrder.id;
Suave.confidentialStore(hintOrder.id, "mevshare:v0:mergedDataRecords", abi.encode(dataRecords));

return abi.encodeWithSelector(this.emitHint.selector, hintOrder);
return abi.encodeWithSelector(this.emitHint.selector, hintOrder, bytes("undefined"));
}

function emitMatchDataRecordAndHintCallback(string memory bundleRawResponse) external {
Expand Down
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