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ExampleClient.sol
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ExampleClient.sol
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//SPDX-License-Identifier: MIT
pragma solidity 0.6.12;
import "@api3/airnode-protocol/contracts/AirnodeClient.sol";
contract ExampleClient is AirnodeClient {
mapping(bytes32 => bool) public incomingFulfillments;
mapping(bytes32 => bytes32) public fulfilledData;
constructor (address airnodeAddress)
public
AirnodeClient(airnodeAddress)
{}
function makeRequest(
bytes32 providerId,
bytes32 endpointId,
uint256 requesterInd,
address designatedWallet,
bytes calldata parameters
)
external
{
bytes32 requestId = airnode.makeFullRequest(
providerId,
endpointId,
requesterInd,
designatedWallet,
address(this),
this.fulfill.selector,
parameters
);
incomingFulfillments[requestId] = true;
}
function fulfill(
bytes32 requestId,
uint256 statusCode,
bytes32 data
)
external
onlyAirnode()
{
require(incomingFulfillments[requestId], "No such request made");
delete incomingFulfillments[requestId];
if (statusCode == 0) {
fulfilledData[requestId] = data;
} else {
fulfilledData[requestId] = bytes32(statusCode);
}
}
}